CN102611068A

CN102611068A - Universal protector analog integrated circuit

Info

Publication number: CN102611068A
Application number: CN2012100804085A
Authority: CN
Inventors: 于斌; 介国安; 吴辉
Original assignee: Individual
Current assignee: State Grid Corp of China SGCC; Hebi Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2012-03-16
Filing date: 2012-03-16
Publication date: 2012-07-25
Anticipated expiration: 2032-03-16
Also published as: CN102611068B

Abstract

The invention discloses a universal protector analog integrated circuit for universally improving common characteristics of circuits such as overload, underload, loss of phase, zero sequence or current online detection and automatic reset in motor protection circuits and special protection circuits of pump thereof and air compressors, circuit protection circuits and electric power capacitor protection circuits to form the common protection circuit unit; multiple resistors, diodes and operational amplifier elements as well as connection lines are manufactured by using the microelectronic integration process integrally in the highly integrated universal protector analog integrated circuit; multiple outgoing lines are used to lead the circuit connection lines which need to be connected with outer circuits to the outside of the integrated circuit and multiple electronic devices are compressed to the small integrated circuit so as to make the printed circuit board area of the product greatly reduced, the protection precisely obviously enhanced, the protector shell structure and process simplified and the whole machine cost lowered. The universal protector analog integrated circuit can be widely applied to the fields of electric motors and power capacitors.

Description

General-purpose protector analog integrated circuit

Technical field

The present invention relates to general-purpose protector, power capacitor protector, motor protector, pump class protector, line protector; Particularly relate to general-purpose protector analog integrated circuit, fields such as power capacitor protective circuit, motor protecting circuit, pump class protective circuit, circuit protection circuit, zero-sequenceprotection circuit, automatic time delay reset circuit.

Background technology

There is not general-purpose protector analog integrated circuit at present; The analog circuit etc. that is used for power capacitor protector, motor protector, pump class protector, air compressor machine protector, line protector mostly is to separate components and parts with several diodes, triode, resistance, capacitor etc. with some integrated operational amplifiers to adopt plug-in unit or paster technique to be produced on circuit board; Because the intensive winding displacement difficulty that causes of circuit; The also bad layout of shell structure; In order to reduce housing and circuit board size; Often take to simplify circuit, make function and precision all can receive certain influence; The analog circuit of at present conventional power capacitor protector, motor protector, pump class protector, line protector mostly is to adopt single-phase or three-phase bridge rectifier circuit to handle the rectification of current signal and synthetic; Because rectifier diode non-linear, cause the serious distortion of current signal after the amplification; Existing three-phase operational amplifier is only exported the highest phase current signal, the inapplicable phase failure and three-phase imbalance protection, and the phase failure that has the sixth of the twelve Earthly Branches and three-phase imbalance protection and overload protection are not considered the factor of rated current simultaneously; Integrated circuit does not have unified current reference signal; Power capacitor protector can not reflect online power capacitor capacity; Motor protector, pump class protector can not be reflected in line current value; Automatically reseting, only limit is local, the circuit imperfection.

Summary of the invention

The object of the present invention is to address the above shortcomings see more, to provide a universal protection analog circuit, the number of resistors, diodes, operational amplifier is designed in an integrated circuit, the components 100 into a component, can significantly reduce small protection circuit board area and shell size; synthetic four-phase rectifier output op amp circuit with three-phase current operational amplifiers respectively amplified output signal is rectified, with the other three operational amplifiers three follower output in parallel Connect synthesis, avoiding the diode caused by the nonlinear phenomena, to achieve high-precision sampling amplification; synthesis of four three-phase rectifier output op amp circuit with the addition of three operational amplifiers split-phase memory outside the control type phase and three-phase current unbalance protection circuit , motor phase and phase unbalance occurs after maximum phase current needs than the rated current can play a protective role, and split-phase fault memory indication because the motor current does not exceed the rated current when phase and phase unbalance no harm to the motor should not afford protection; pairs than double control from open circuit op amp overload I 15 on the current zoom setting, using operational amplifier with a reference current I16 on the first comparison signal amplification control, Over-current control efforts to open automatically when the specified value inverse time protection circuit with operational amplifiers I18 against overload current with the reference signal for the second comparative amplification control, the control output relay protection; constant pressure and capacitive dual feedback thermal memory overload I15 operational amplifier circuits on the current zoom setting, with the op-amp I13 for memory overload inverse thermal treatment, constant pressure feedback into the inverse steady state, so that the degree of overload feedback capacitance of the capacitor memory, when overload inverse thermal memory protection due to play a protective role overload shutdown, memory and energy in the capacitor discharges through the resistor until the memory can release all the energy to run second boot, this process is thermal memory and thermal overload release, so overloaded motor cooling after heat re-start; zero maintenance to avoid when starting underrun protection circuit operational amplifier I13 on the current zoom setting, with the op-amp current I14 for comparison with the reference signal amplification control, the control output relay protection, with the op-amp I21 avoid when starting underrun protection circuit controlling the pump motor is started when the start to avoid, avoid when starting the process of underrun protection does not work, shut down the circuit is in the zero state maintained to avoid malfunction; zero sequence earth leakage protection circuit operational amplifier I11 adjust the magnification zero sequence signal op amp zero-sequence signal I12 right to compare with the reference signal amplification control, the control output relay protection; automatic reset circuit with delay dual-control operational amplifier I22 to delay dual control reset, any way fault outputs can control the start delay, delay after the end of the op amp output and control brightest I22 fault circuit automatic reset; motor protection and protection of online testing pumps operating current I11 amplified by operational amplifier to adjust the output current of the same value and the work; Power Capacitor Protection online testing capacity using operational amplifiers to adjust the output value of I11 amplified power capacitor capacitance values are the same; run - stop discrimination control circuit with operational amplifiers I19, run-time open-style split-phase memory outside the control phase and three-phase current unbalance protection circuit, zero maintained to avoid when starting underrun protection circuitry and automatic dual control delay reset circuit, stopping when it is automatically closed; run flashing indicator circuit using operational amplifiers I20, when the operating current is higher than a predetermined value, the running lights flashing frequency Operating current is proportional to downtime or downtime machine running lights have stopped flashing; unified whole circuit current reference signal, the circuit to achieve universal multifunctional.

Technical scheme of the present invention is a general-purpose protector analog integrated circuit; Comprise that three phase rectifier synthesizes four output operational amplifier circuit; The phase-splitting memory external control type phase failure and unbalance protection of three-phase current circuit; The two controls of two ratios are from opening overload protecting circuit; The two feedback heat of level pressure and electric capacity memory overload protecting circuit; Zero dimension is held and is started underload protective circuit when keeping away; The zero-sequenceprotection circuit; The two control of full-automatic time-delay reset circuit; Power capacitor capacity or operating current are at line detection circuit; Move/stop recognition control circuit; The operation indicating circuit twinkling; It is characterized in that general-purpose protector analog integrated circuit; Be with motor protecting circuit and pump class protective circuit and air compressor machine protective circuit and power capacitor protective circuit and the unified protective circuit unit that has of forming of the total characteristic of a plurality of protective circuit; Unified current reference signal; Select for use the element circuit that needs to form the protector of difference in functionality arbitrarily; Adopt the microelectronics integrated technique to be produced in the highly integrated general-purpose protector analog integrated circuit in hundred sets of elements with some resistance in the circuit and some diodes and some operational amplifiers together; The wiring that need be connected with external circuit with some lead-out wires is drawn out to the integrated circuit outside; Constitute general-purpose protector analog integrated circuit; Resistance R1 in the integrated circuit; Resistance R2; The resistance value of resistance R3 is identical; Resistance R4; Resistance R5; The resistance value of resistance R6 is identical; Resistance R7; Resistance R8; The resistance value of resistance R9 is identical; Resistance R10; Resistance R11; The resistance value of resistance R12 is identical; Resistance R16; Resistance R17; The resistance value of resistance R18 is identical; Resistance R14; The resistance value of resistance R15 is identical; The resistance value of resistance R33 is greater than the resistance value of resistance R34; The resistance value of resistance R38 is greater than the resistance value of resistance R39; The resistance value of resistance R41 is greater than the resistance value of resistance R42; The resistance value of resistance R42 is greater than the resistance value of resistance R43; Other resistance value is decided according to the total characteristic of a plurality of protective circuits; Positive supply VDD connects lead-out wire V1 and gets into integrated circuit; Negative supply VCC connects lead-out wire V2 and gets into integrated circuit; Common port V0 connects lead-out wire V3 and gets into integrated circuit; The circuit structure of the synthetic four output operational amplifier circuit of three phase rectifier is that the three-phase current AC signal converts direct current signal to by three operational amplifiers amplification rectifications respectively in the general-purpose protector analog integrated circuit; Export the current DC signal of three-phase respectively; Amplify the follower output by three computings in addition and connect the synthetic together current signal of exporting the highest phase in the three-phase; Physical circuit is that three-phase current signal connects resistance R46 and lead-out wire A1 entering integrated circuit by the connecting line L01 of sample rate current instrument transformer L1 respectively; The connecting line L02 of current transformer L2 connects resistance R47 and lead-out wire B1 gets into integrated circuit; The connecting line L03 of current transformer L3 connects resistance R48 and lead-out wire C1 gets into integrated circuit; The other end of the other end of current transformer L1 and resistance R46 is connected common port V0; The other end of the other end of current transformer L2 and resistance R47 is connected common port V0; The other end of the other end of current transformer L3 and resistance R48 is connected common port V0; The positive input terminal of lead-out wire A1 concatenation operation amplifier I1, the positive input terminal of lead-out wire B1 concatenation operation amplifier I2, the positive input terminal of lead-out wire C1 concatenation operation amplifier I3; The negative input end of operational amplifier I1 connects resistance R1 and resistance R4; The negative input end of operational amplifier I2 connects resistance R2 and resistance R5, and the negative input end of operational amplifier I3 connects resistance R3 and resistance R6, and resistance R1 is connected common port V0 with the other end of resistance R2 and resistance R3; The output of operational amplifier I1 connects the positive pole of diode D1; The output of operational amplifier I2 connects the positive pole of diode D2, and the output of operational amplifier I3 connects the positive pole of diode D3, and the other end of resistance R4 connects the negative pole of diode D1 and the positive input terminal of resistance R7 and resistance R10 and lead-out wire A2 and operational amplifier I4; The other end of resistance R5 connects the negative pole of diode D2 and the positive input terminal of resistance R8 and resistance R11 and lead-out wire B2 and operational amplifier I5; The other end of resistance R6 connects the negative pole of diode D3 and the positive input terminal of resistance R9 and resistance R12 and lead-out wire C2 and operational amplifier I6, and resistance R7 is connected common port V0 with the other end of resistance R8 and resistance R9, and the output of operational amplifier I4 connects the positive pole of diode D4; The output of operational amplifier I5 connects the positive pole of diode D5; The output of operational amplifier I6 connects the positive pole of diode D6, and the negative pole of the negative pole of the negative input end of the negative input end of operational amplifier I4 and operational amplifier I5 and the negative input end of operational amplifier I6 and diode D4 and the negative pole of diode D5 and diode D6 and resistance R13 and resistance R15 and lead-out wire S1 connect, and the other end of resistance R15 connects the negative input end of resistance R14 and operational amplifier I7; The positive input terminal of operational amplifier I7 connects common port V0; Output and the lead-out wire S2 of the other end concatenation operation amplifier I7 of resistance R14, lead-out wire A1 is an A phase current signal input, lead-out wire B1 is a B phase current signal input; Lead-out wire C1 is a C phase current signal input; Lead-out wire A2 is that output is amplified in the rectification of A phase current signal, and lead-out wire B2 is that output is amplified in the rectification of B phase current signal, and lead-out wire C2 is that output is amplified in the rectification of C phase current signal; Lead-out wire A2 is at the outside electrolytic capacitor C01 positive pole that connects of integrated circuit; Lead-out wire B2 is at the outside electrolytic capacitor C02 positive pole that connects of integrated circuit, and lead-out wire C2 is anodal at the outside connection of integrated circuit electrolytic capacitor C03, and electrolytic capacitor C01 negative pole is connected common port V0 with electrolytic capacitor C02 negative pole with electrolytic capacitor C03 negative pole; Lead-out wire S1 is the highest phase operating current positive signal output of synthetic output; Lead-out wire S2 is the highest phase operating current negative signal output of synthetic output, supplies outside other defencive function that connects of integrated circuit, the current transformer L1 that integrated circuit is outside; Current transformer L2; Current transformer L3 performance is identical; Resistance R46; Resistance R47; The resistance value of resistance R48 is identical, electrolytic capacitor C01; Electrolytic capacitor C02; The capacity of electrolytic capacitor C03 is identical.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that the phase-splitting memory external control type phase failure and unbalance protection of three-phase current circuit in the general-purpose protector Analogous Integrated Electronic Circuits; Form three-phase three comparison circuits respectively by three operational amplifiers; Three-phase current signal is relatively confirmed error protection with contrast signal respectively; Contrast signal is formed by the current signal dividing potential drop of the highest phase in the synthetic output three-phase in the synthetic four output operational amplifier circuit of three phase rectifier; Contrast signal is subjected to the rated current external control; Physical circuit is that resistance R 13 1 ends connect lead-out wire S1; The negative input end of the other end concatenation operation amplifier I8 of resistance R 13 and the negative input end of operational amplifier I9 and negative input end and the lead-out wire E4 of operational amplifier I10; One end of resistance R 10 connects lead-out wire A2; Positive input terminal and diode D22 negative pole and the resistance R 16 of the other end concatenation operation amplifier I8 of resistance R 10; It is anodal that the other end of resistance R 16 connects diode D16; Output and diode D10 negative pole and the diode D29 negative pole of diode D16 negative pole concatenation operation amplifier I8; The anodal lead-out wire A3 that connects of diode D10; One end of resistance R 11 connects lead-out wire B2; Positive input terminal and diode D23 negative pole and the resistance R 17 of the other end concatenation operation amplifier I9 of resistance R 11; It is anodal that the other end of resistance R 17 connects diode D17; Output and diode D11 negative pole and the diode D30 negative pole of diode D17 negative pole concatenation operation amplifier I9; The anodal lead-out wire B3 that connects of diode D11; One end of resistance R 12 connects lead-out wire C2; Positive input terminal and diode D24 negative pole and the resistance R 18 of the other end concatenation operation amplifier I10 of resistance R 12; It is anodal that the other end of resistance R 18 connects diode D18; Output and diode D12 negative pole and the diode D31 negative pole of diode D18 negative pole concatenation operation amplifier I10; The anodal lead-out wire C3 that connects of diode D12; Lead-out wire E4 is the tie point of the phase failure and unbalance protection of three-phase current contrast signal; Lead-out wire E4 connects resistance R 49 and obtains the phase failure and unbalance protection of three-phase current contrast signal; The other end of resistance R 49 connects common port V0; When lead-out wire E4 is connected lead-out wire K2 by diode D51 with resistance R 55; The phase failure and unbalance protection of three-phase current are controlled to shield during greater than the rated current setting at operating current; Output control terminal when lead-out wire A3 is the phase failure of A phase current or imbalance; Output control terminal when lead-out wire B3 is the phase failure of B phase current or imbalance; Output control terminal when lead-out wire C3 is the phase failure of C phase current or imbalance; Lead-out wire A3 connects light emitting diode D41 negative pole; Lead-out wire B3 connects light emitting diode D42 negative pole; Lead-out wire C3 connects light emitting diode D43 negative pole; Anodal and the light emitting diode D43 positive pole anodal with light emitting diode D42 of light emitting diode D41 is connected the negative pole of resistance R 69 and Zener diode D59 together; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that in the general-purpose protector Analogous Integrated Electronic Circuits that two is that operating current is opened inverse time-lag protection when surpassing the rated current setting automatically than two controls from opening overload protecting circuit; The highest phase operating current of synthetic output negative signal connects the resistance R 51 of the outside overload protection initialization circuit of integrated circuit by lead-out wire S2; Resistance R 51 other ends connect potentiometer W1 fixed end and sliding end and lead-out wire G2; Another fixed end of potentiometer W1 connects lead-out wire G1; The negative input end of lead-out wire G2 concatenation operation amplifier I15; The positive input terminal of operational amplifier I15 connects common port V0; The output of lead-out wire G1 concatenation operation amplifier I15 and resistance R 25 and resistance R 32 and resistance R 0; The positive input terminal of the other end concatenation operation amplifier I16 of resistance R 25 and resistance R 26 and resistance R 27 and lead-out wire G4; The end in addition of resistance R 26 connects common port V0; The negative input end of operational amplifier I16 connects resistance R 33 and lead-out wire E1; The output of operational amplifier I16 connects negative pole and the lead-out wire K2 of diode D33; The other end of resistance R 27 connects the positive pole of diode D34; The negative pole of diode D34 connects the positive pole of diode D35; The negative pole of diode D35 connects positive pole and the negative pole of diode D37 and negative input end and the lead-out wire G3 of resistance R 28 and resistance R 29 and operational amplifier I17 of diode D36; The other end of resistance R 28 connects the positive pole of diode D33; The positive input terminal of operational amplifier I17 connects common port V0; The negative pole of diode D36 connects positive supply VDD; The output of operational amplifier I17 connects the positive pole of diode D37; The other end of resistance R 29 connects lead-out wire G5; Lead-out wire G5 is at the outside lead-out wire G6 that connects of integrated circuit; Lead-out wire G6 connects resistance R 30 at IC interior; The negative input end of the other end concatenation operation amplifier I18 of resistance R 30; The positive input terminal of operational amplifier I18 connects negative pole and the lead-out wire E2 of resistance R 31 and diode D19; Resistance R 31 other ends connect the positive pole of diode D13; The output of operational amplifier I18 connects negative pole and the negative pole of diode D26 and the negative pole of diode D7 of diode D13; The positive pole of diode D7 connects lead-out wire G7; Output control terminal when lead-out wire G7 is current overload; Lead-out wire G7 connects light emitting diode D45 negative pole; The anodal negative pole that connects resistance R 69 and Zener diode D59 of light emitting diode D45; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG; The other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG; Lead-out wire E2 is the overcurrent protection reference signal; Zener diode D61 negative pole and resistance R 56 that lead-out wire E2 connects lead-out wire E1 and basic Huaihe River signal source through resistance R 66; The other end of resistance R 56 connects positive supply VDD, the anodal common port V0 that connects of Zener diode D57.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that the two feedback heat of level pressure and electric capacity memory overload protecting circuits are the highest phase operating current negative signal of synthetic output connects the outside overload protection initialization circuit of integrated circuit by lead-out wire S2 resistance R 51 in the general-purpose protector Analogous Integrated Electronic Circuits; Resistance R 51 other ends connect potentiometer W1 fixed end and sliding end and lead-out wire G2; Another fixed end of potentiometer W1 connects resistance R 55 and lead-out wire G1; The output of lead-out wire G1 concatenation operation amplifier I15; The negative input end of lead-out wire G2 concatenation operation amplifier I15; The positive input terminal of operational amplifier I15 connects common port V0; The other end of non-essential resistance R55 connects resistance R 54 and lead-out wire Q3; Resistance R 54 other ends connect common port V0; The positive input terminal of lead-out wire Q3 concatenation operation amplifier I13; The negative input end of operational amplifier I13 connects lead-out wire Q2; The output of operational amplifier I13 connects lead-out wire Q1; Lead-out wire Q1 connects non-essential resistance R60 and resistance R 61; The other end of resistance R 61 connects the negative pole of resistance R 62 and Zener diode D60; The other end of resistance R 62 connects the negative pole of resistance R 63 and resistance R 64 and diode D57; The other end of resistance R 64 connects positive pole and the common port V0 of Zener diode D60; The other end of resistance R 63 connects the positive pole of diode D57 and the negative pole of electrolytic capacitor C09 is connected lead-out wire Q2 again with resistance R 65; Resistance R 65 other ends connect common port V0; Resistance R 60 other ends connect the positive pole of diode D50; The positive pole that the negative pole of diode D50 connects electrolytic capacitor C09 is connected lead-out wire G6 again with resistance R 59; Resistance R 59 other ends connect common port V0; Lead-out wire G6 connects internal resistance R30; The negative input end of the other end concatenation operation amplifier I18 of resistance R 30; The positive input terminal of operational amplifier I18 connects resistance R 31 and lead-out wire E2; Resistance R 31 other ends connect the positive pole of diode D13; The output of operational amplifier I18 connects the negative pole of diode D13 and the negative pole of diode D7; The positive pole of diode D7 connects lead-out wire G7; Lead-out wire E2 connects non-essential resistance R68 and resistance R 74; Resistance R 68 other ends connect common port V0; Resistance R 74 other ends connect positive supply VDD; Lead-out wire G7 connects the negative pole of light emitting diode D45; The positive pole of light emitting diode D45 connects the negative pole of resistance R 69 and Zener diode D59; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that zero dimension in the general-purpose protector Analogous Integrated Electronic Circuits hold starting when keeping away underload holding circuit structure form underload initialization circuit by the operational amplifier and the potentiometer of integrated circuit outside; I13 amplifies current settings with operational amplifier; With operational amplifier I14 operating current and reference signal are compared and enlarged control; Control when keeping away with operational amplifier I21 starting; Starting when keeping away in the process underload protection inoperative; Circuit is in zero dimension and holds and avoid misoperation during stopped status; The highest phase operating current of synthetic output negative signal connects the resistance R 52 of the outside underload protection initialization circuit of integrated circuit by lead-out wire S2; Resistance R 52 other ends connect potentiometer W2 fixed end and sliding end and lead-out wire Q2; Another fixed end of potentiometer W2 connects lead-out wire Q1; The negative input end of lead-out wire Q2 concatenation operation amplifier I13; The positive input terminal of operational amplifier I13 connects lead-out wire Q3; Lead-out wire Q3 is connected the outside resistance R 54 of integrated circuit; The other end of resistance R 54 connects common port V0; Output and the resistance R 21 of lead-out wire Q1 concatenation operation amplifier I13; The negative pole of the positive input terminal of the other end concatenation operation amplifier I14 of resistance R 21 and resistance R 23 and diode D20; The other end of resistance R 23 connects the positive pole of diode D14; The negative input end of operational amplifier I14 connects the negative pole of diode D25 and positive pole and the lead-out wire E3 of diode D32; The positive pole of diode D25 connects common port V0; The negative pole of diode D32 connects resistance R 24; The other end of resistance R 24 connects output and the lead-out wire Y2 that starts the operational amplifier I21 of circuit when keeping away; Output and the negative pole of diode D27 and the negative pole of diode D8 of I14 put in the negative pole concatenation operation of diode D14; The positive pole of diode D8 connects lead-out wire Q4; Lead-out wire E3 is the underload protection reference signal of electric current; Lead-out wire E3 connects integrated circuit non-essential resistance R67 and resistance R 72; The other end of resistance R 67 connects negative pole and the resistance R 56 of reference circuit voltage-stabiliser tube D61; The other end of resistance R 56 connects positive supply VDD; The positive pole of voltage-stabiliser tube D61 connects common port V0; The other end of resistance R 72 connects positive pole and the electrolytic capacitor C10 positive pole of diode D53; Electrolytic capacitor C10 negative pole connects negative supply VCC; The negative pole of diode D53 connects the anodal and lead-out wire K1 of electrolytic capacitor C07; Electrolytic capacitor C07 negative pole connects potentiometer W4 fixed end and sliding end and lead-out wire Y1; Another fixed end of potentiometer W4 connects negative supply VCC; The negative input end of lead-out wire Y1 concatenation operation amplifier I21; The positive input terminal of operational amplifier I21 connects resistance R 38 and resistance R 39; The other end of resistance R 38 connects positive supply VDD; The other end of resistance R 39 connects negative supply VCC; Lead-out wire Q4 connects the negative pole of light emitting diode D46; The positive pole of light emitting diode D46 connects the negative pole of resistance R 69 and Zener diode D59; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that zero-sequenceprotection circuit in the general-purpose protector Analogous Integrated Electronic Circuits; Zero sequence current mutual inductor L0 one end connects resistance R 58; The zero sequence current mutual inductor L0 other end connects common port V0; The other end of resistance R 58 connects resistance R 76 and lead-out wire H2; The other end of resistance R 76 connects lead-out wire H1; The negative input end of lead-out wire H2 concatenation operation amplifier I11; The positive input terminal of operational amplifier I11 connects common port V0; It is anodal that the output of operational amplifier I11 connects diode D0; Lead-out wire H1 connects diode D0 negative pole and resistance R 22; The negative input end of the other end concatenation operation amplifier I12 of resistance R 22; The positive input terminal of operational amplifier I12 connects negative pole and the resistance R 19 and resistance R 20 of diode D21; The other end of resistance R 19 connects negative supply VCC; The other end of resistance R 20 connects the negative pole of diode D15; The output of operational amplifier I12 connects positive pole and the negative pole of diode D28 and the negative pole of D9 of diode D15; The positive pole of D9 connects lead-out wire H3; Lead-out wire H3 connects the negative pole of light emitting diode D47; The positive pole of light emitting diode D47 connects the negative pole of resistance R 69 and Zener diode D59; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that in the general-purpose protector Analogous Integrated Electronic Circuits double control-type multichannel reset circuit of automatically delaying time; Each road protection output connects to form OR circuit and controls the delay circuit that resets; The delay circuit output that resets connects each road protection output of control simultaneously and resets; The output of the negative pole concatenation operation amplifier I18 of diode D26; The output of the negative pole concatenation operation amplifier I14 of diode D27; The output of the negative pole concatenation operation amplifier I12 of diode D28; The output of the negative pole concatenation operation amplifier I8 of diode D29; The output of the negative pole concatenation operation amplifier I9 of diode D30; The output of the negative pole concatenation operation amplifier I10 of diode D31; The positive pole of the positive pole of the positive pole of the positive pole of diode D26 and diode D27 and the positive pole of diode D28 and diode D29 and the positive pole of diode D30 and diode D31 is connected resistance R 41 and resistance R 43 together; The positive input terminal of the other end concatenation operation amplifier I22 of resistance R 43 and positive pole and the resistance R 42 of diode D40; The negative pole of diode D40 connects resistance R 44 and resistance R 45; The other end of resistance R 45 connects common port V0; The other end of resistance R 42 and resistance R 44 is connected positive supply VDD; Negative input end and the lead-out wire Z of the other end concatenation operation amplifier I22 of resistance R 41; The positive input terminal of the negative pole concatenation operation amplifier I18 of diode D19; The positive input terminal of the negative pole concatenation operation amplifier I14 of diode D20; The positive input terminal of the negative pole concatenation operation amplifier I12 of diode D21; The positive input terminal of the negative pole concatenation operation amplifier I8 of diode D22; The positive input terminal of the negative pole concatenation operation amplifier I9 of diode D23; The positive input terminal of the negative pole concatenation operation amplifier I10 of diode D24; The positive pole of the positive pole of the positive pole of the positive pole of diode D19 and diode D20 and the positive pole of diode D21 and diode D22 and the positive pole of diode D23 and diode D24 is connected resistance R 40 and lead-out wire F together; The output of operational amplifier I22 and resistance R 40; Lead-out wire F resets in the outside connection of integrated circuit and connects the negative pole of button FW and diode D49; The other end that meets button FW of resetting connects positive pole and the positive supply VDD of electrolytic capacitor C04; The positive pole of diode D49 connects negative pole and the resistance R 50 of electrolytic capacitor C04; The other end of resistance R 50 connects negative supply VCC; Lead-out wire Z is at the outside negative pole of electrolytic capacitor C06 and the negative pole of diode D52 of connecting of integrated circuit; The positive pole of electrolytic capacitor C06 connects positive supply VDD; The positive pole of diode D52 connects lead-out wire K1, and lead-out wire F is outside power-on-reset, hand-reset and inner automatically reset total connecting line.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that moving indicating circuit twinkling in the general-purpose protector Analogous Integrated Electronic Circuits; After operating current is higher than certain setting; The run indicator flicker frequency is directly proportional with operating current; Run indicator also stops flicker when shutdown or disorderly closedown machine; Operational amplifier I20 positive input terminal connects resistance R 35 and resistance R 36; The other end of resistance R 35 connects positive pole and the common port V0 of diode D38; Operational amplifier I20 negative input end connects positive pole and the resistance R 0 and lead-out wire X1 of negative pole and the diode D39 of diode D38; The negative pole of diode D39 connects resistance R 37; The other end concatenation operation amplifier I20 output and the lead-out wire X2 of the other end of resistance R 37 and resistance R 36; Lead-out wire X2 connects the outside resistance R 57 of integrated circuit; The other end of resistance R 57 connects the positive pole of light emitting diode D48; The negative pole of light emitting diode D48 connects common port V0; Lead-out wire X1 connects outside diode D54 positive pole of integrated circuit and the positive pole of electrolytic capacitor C08; The negative pole of electrolytic capacitor C08 connects common port V0; The negative pole of diode D54 connects positive pole and the positive pole of light emitting diode D42 and positive pole and the positive pole of light emitting diode D45 and positive pole and the positive pole of light emitting diode D47 and negative pole and the resistance R 69 of Zener diode D59 of light emitting diode D46 of light emitting diode D43 of light emitting diode D41; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that in the general-purpose protector Analogous Integrated Electronic Circuits that online detection power capacitor capacity or operating current are at line detection circuit; The operating current negative signal connects integrated circuit external circuit resistance R 53 by lead-out wire S2; The other end of resistance R 53 connects potentiometer W3 and lead-out wire H2; The other end of potentiometer W3 connects external digital display terminal CS and lead-out wire H1 gets into integrated circuit; The negative input end of lead-out wire H2 concatenation operation amplifier I11; The positive input terminal of operational amplifier I11 connects common port V0; It is anodal that the output of operational amplifier I11 connects diode D0; Lead-out wire H1 connects diode D0 negative pole and resistance R 22; Be the signal output part of online detection power capacitor capacity or operating current between lead-out wire H1 and the common port V0, connect external digital display terminal CS.

Said general-purpose protector Analogous Integrated Electronic Circuits; It is characterized in that moving/stop recognition control circuit in the general-purpose protector Analogous Integrated Electronic Circuits; Operational amplifier I19 positive input terminal connects resistance R 32; The other end of resistance R 32 connects resistance R 0 and operational amplifier I15 output and lead-out wire G1; Operational amplifier I19 negative input end connects resistance R 33 and resistance R 34; The other end concatenation operation amplifier I16 negative input end and the lead-out wire E1 of resistance R 33; The other end of resistance R 34 connects common port V0; Operational amplifier I19 output connects lead-out wire K1; Lead-out wire K1 is at the outside positive pole of electrolytic capacitor C07 and the negative pole of diode D53 of connecting of integrated circuit during the protection of pump class, and lead-out wire K1 is at the outside negative pole of diode D56 and the positive pole of diode D52 of connecting of integrated circuit during the power capacitor protection.

The present invention be directed to power capacitor protector, motor protector, pump class protector, line protector a kind of general-purpose protector analog integrated circuit is provided; Several resistance, diode, operational amplifier design components and parts in an integrated circuit are become an element, can obviously reduce protector board area and shell dimension; The non-linear phenomena that the synthetic four output operational amplifier circuit of three phase rectifier have avoided diode to cause realizes that high-accuracy sampling amplifies; The phase-splitting memory external control type phase failure and unbalance protection of three-phase current circuit have been realized just shielding when the highest phase current of motor surpasses rated current, and divide phase fault memory indication, make this protection more reasonable; Inverse time-lag protection is opened in the two controls of two ratios automatically when opening overload protecting circuit Control work electric current above the rated current setting; The hot memory of the two feedbacks of level pressure and electric capacity overload protecting circuit carries out inverse time thermal relief memory overload protection to be handled, and restarts after the motor cooling that allows overload generate heat; Zero dimension is held starting and is controlled underload protective circuit when the starting of underload protective circuit keeps away when keeping away and when pump motor starts when keeping away, and stopped status makes circuit be in zero dimension and holds and avoid misoperation; The two controls of delaying time of the two control of full-automatic time-delay reset circuits reset, and fault output in arbitrary road all can be controlled trigger, controls each road faulty circuit again after time-delay finishes and automatically resets; Motor protection and pump class are protected online testing electric current; Power capacitor is protected online detection capacity; The operation indicating circuit twinkling makes the run indicator flicker frequency be directly proportional with operating current, and run indicator also stops flicker when shutdown or disorderly closedown; Whole circuit adopts unified current reference signal, and it is multi-functional to make circuit reach general-purpose.

Description of drawings

Fig. 1 general-purpose protector analog integrated circuit internal circuit schematic diagram

Fig. 2 three phase rectifier synthesizes four output operational amplifier circuit theory diagrams

Fig. 3 phase-splitting memory external control type phase failure and unbalance protection of three-phase current circuit theory diagrams

Fig. 4 is two to open the overload protecting circuit schematic diagram certainly than two controls

The two feedback heat of Fig. 5 level pressure and electric capacity memory overload protecting circuit schematic diagram

Fig. 6 zero dimension is held and is started underload protective circuit schematic diagram when keeping away

Fig. 7 zero-sequenceprotection circuit theory diagrams

Full-automatic time-delay two control reset circuit of Fig. 8 and operation indicating circuit twinkling schematic diagram

Fig. 9 pump class protective circuit schematic diagram

Figure 10 power capacitor protective circuit schematic diagram

The inner :R0-R45 resistance of general-purpose protector analog integrated circuit, D0-D40 diode, I1-I22 operational amplifier, VDD positive supply, VCC negative supply, V0 common port, 1-A3 lead-out wire, 1-B3 lead-out wire, 1-C3 lead-out wire, 1-E4 lead-out wire, F lead-out wire, 1-G7 lead-out wire, 1-H3 lead-out wire, 1-K2 lead-out wire, 1-Q4 lead-out wire, 1-S2 lead-out wire, V1 lead-out wire, V2 lead-out wire, V3 lead-out wire, 1-X2 lead-out wire, 1-Y2 lead-out wire, Z lead-out wire among the figure;

The outside :R46-R76 resistance of general-purpose protector analog integrated circuit, 1-W4 potentiometer, D41-D48 light-emitting diode, D49-D58 diode, D59-D61 voltage stabilizing didoe, BG triode, VDD positive supply, VCC negative supply, V0 common port, the objective device of C01-C11 electrolysis electricity, J relay, 1-L3 current transformer, L01-L03 current transformer binding post, L0 zero sequence current mutual inductor, FW reset button, the external digital display terminal of CS among the figure.

Specific embodiments

Fig. 1 is a general-purpose protector analog integrated circuit internal circuit schematic diagram; General-purpose protector analog integrated circuit is with motor protecting circuit and pump class protective circuit and air compressor machine protective circuit and power capacitor protective circuit and the unified protective circuit unit that has of forming of the total characteristic of a plurality of protective circuit; Unified current reference signal; Select for use the element circuit that needs to form the protector of difference in functionality arbitrarily; Adopt the microelectronics integrated technique to be produced in the highly integrated general-purpose protector analog integrated circuit in a plurality of sets of elements with some resistance in the circuit and some diodes and some operational amplifiers together; Entrust the requirement of microelectronic integrated circuit manufacturer circuit to make this integrated circuit according to the present invention; Operational amplifier is with reference to the performance of 324 operational amplifiers in the circuit; Resistance R1 in the circuit; Resistance R2; The resistance value of resistance R3 is identical; Resistance R4; Resistance R5; The resistance value of resistance R6 is identical; Resistance R7; Resistance R8; The resistance value of resistance R9 is identical; Resistance R10; Resistance R11; The resistance value of resistance R12 is identical; Resistance R16; Resistance R17; The resistance value of resistance R18 is identical; Resistance R14; The resistance value of resistance R15 is identical; The resistance value of resistance R33 is greater than the resistance value of resistance R34; The resistance value of resistance R38 is greater than the resistance value of resistance R39; The resistance value of resistance R41 is greater than the resistance value of resistance R42; The resistance value of resistance R42 is greater than the resistance value of resistance R43; Other resistance value is decided according to the total characteristic of a plurality of protective circuits; Diode does not have specific (special) requirements; The wiring that need be connected with external circuit with some lead-out wires is drawn out to the integrated circuit outside; Constitute general-purpose protector analog integrated circuit; Positive supply VDD connects lead-out wire V1 and gets into integrated circuit; Negative supply VCC connects lead-out wire V2 and gets into integrated circuit, and common port V0 connects lead-out wire V3 and gets into integrated circuit.

Fig. 2 is the synthetic four output operational amplifier circuit theory diagrams of three phase rectifier; Operation principle is that three-phase current signal is respectively by current transformer L1; Current transformer L2; Three current transformer sampling process lead-out wire A1 that current transformer L3 is identical; Lead-out wire B1; Lead-out wire C1 gets into integrated circuit; By operational amplifier I1; Operational amplifier I2; Operational amplifier I3 amplifies rectification and converts direct current signal to; Pass through lead-out wire A2 more respectively; Lead-out wire B2; The current DC signal of lead-out wire C2 output three-phase; Connect electrolytic capacitor C01 respectively in the integrated circuit outside; Electrolytic capacitor C02; Three electrolytic capacitors that electrolytic capacitor C03 is identical carry out filtering; In addition by operational amplifier I4; Operational amplifier I5; Three follow-up amplifier outputs that operational amplifier I6 forms also connect syntheticly together through the highest phase operating current positive signal of lead-out wire S1 output, supply outside other defencive function that connects of integrated circuit through operational amplifier I7 anti-phase through the highest phase operating current negative signal of lead-out wire S2 output again.Specific embodiments is to connect according to circuit among Fig. 2 to carry out; Current transformer L1, current transformer L2, the current transformer L3 performance of integrated circuit outside are identical; The resistance value of resistance R46, resistance R47, resistance R48 is identical, and the capacity of electrolytic capacitor C01, electrolytic capacitor C02, electrolytic capacitor C03 is identical.

Fig. 3 is the phase-splitting memory external control type phase failure and unbalance protection of three-phase current circuit theory diagrams; Operation principle is by three operational amplifier I8; Operational amplifier I9; Operational amplifier I10 forms three-phase three comparison circuits respectively; Lead-out wire A2; Lead-out wire B2; The three-phase current direct current signal of lead-out wire C2 is relatively confirmed error protection with contrast signal respectively; Contrast signal is formed through resistance R13 and resistance R49 dividing potential drop by the highest phase operating current positive signal of lead-out wire S1; Contrast signal is subjected to the rated current external control; The shinny realization phase-splitting memory of lead-out wire A3 or lead-out wire B3 or lead-out wire C3 control light-emitting diode D41 or light-emitting diode D42 or light-emitting diode D43 when occurring the phase failure or three-phase current unbalance during operation; Control relay J breaks off and shutting down again; Specific embodiments is to connect according to circuit among Fig. 3 to carry out; Lead-out wire E4 is the tie point of the phase failure and unbalance protection of three-phase current contrast signal; Lead-out wire A3 is the phase failure of A phase current or uneven output control terminal; Lead-out wire B3 is the phase failure of B phase current or uneven output control terminal; Lead-out wire C3 is the phase failure of C phase current or uneven output control terminal, and lead-out wire K2 is the rated current output control terminal.

Fig. 4 is that the two controls of two ratios are from opening the overload protecting circuit schematic diagram; Operation principle is that the current reference signal that the highest phase operating current negative signal of lead-out wire S2 output is set amplification back and lead-out wire E1 by the rated current setting amplifying circuit of being made up of potentiometer W1, resistance R 51 and operational amplifier I15 carries out the first time relatively by operational amplifier I16; Operational amplifier I16 output control inverse time-lag protection is opened automatically when operating current surpasses the rated current setting; The operating current signal of operational amplifier I15 output carries out the inverse time lag charging by resistance R 27, diode D34 and diode D35 to electrolytic capacitor C05; The current reference signal of voltage signal on the electrolytic capacitor C05 and lead-out wire E1 and lead-out wire E2 carries out the second time relatively by operational amplifier I18; After operating current surpasses rated current setting and process inverse time-lag; Operational amplifier I18 output is shinny through lead-out wire G7 control light emitting diode D45; Relay J is broken off and being shut down; Specific embodiments is to connect according to circuit among Fig. 4 to carry out, and basic Huaihe River signal is made up of Zener diode D61 and resistance R 56.

Fig. 5 is the two feedback heat of a level pressure and electric capacity memory overload protecting circuit schematic diagram; Operation principle is that the highest phase operating current negative signal of lead-out wire S2 output passes through by potentiometer W1; The rated current that resistance R51 and operational amplifier I15 form is set amplifying circuit and is got into by resistance R59; Resistance R60; Resistance R61; Resistance R62; Resistance R63; Resistance R64; Resistance R65; Diode D50; Diode D57; Voltage stabilizing didoe D60; The two feedback heat of level pressure that electrolytic capacitor C09 and operational amplifier I13 form and electric capacity memory overload protecting circuit; First level pressure feedback is when operating current does not surpass the rated current setting; Feedback signal is limited voltage stabilizing didoe D60 voltage stabilizing and makes circuit reach poised state; Second capacitive feedback is when operating current surpasses the rated current setting; The circuit disequilibrium; Electrolytic capacitor C09 charging current is strengthened; Also strengthen through electrolytic capacitor C09 feedback; Be higher than contrast signal up to the anodal current potential of electrolytic capacitor C09; The comparator counter-rotating that operational amplifier I18 forms; Light-emitting diode D45 is shinny; Relay J is broken off and being shut down; Specific embodiments is to connect according to circuit among Fig. 5 to carry out, and contrast signal is made up of resistance R79 and resistance R68 dividing potential drop.

Fig. 6 is that zero dimension is held starting underload protective circuit schematic diagram when keeping away; This circuit is mainly used in pump class no-load protection; Operation principle is that the highest phase operating current negative signal of lead-out wire S2 output passes through by potentiometer W2; Resistance R52; The current reference signal that the idling current setting amplifying circuit that resistance R54 and operational amplifier I13 form is output as positive signal entering operational amplifier I14 and lead-out wire E3 entering compares; Stopped status operating current signal is zero; Lead-out wire K1 is a negative potential; By diode D53; The zero dimension that resistance R72 and electrolytic capacitor C10 form is held circuit makes lead-out wire E3 be in negative potential; Operational amplifier I14 output is a positive potential; Circuit is in treats open state; Lead-out wire K1 is a positive potential during pump motor starting; By potentiometer W4; Resistance R38; Initialization circuit made lead-out wire Y2 and lead-out wire E3 be in negative potential when resistance R39 and the starting of operational amplifier I21 composition kept away; Starting when keeping away in the process underload protection inoperative; Finish back lead-out wire Y2 when starting keeps away and be in positive potential; Lead-out wire E3 becomes the current reference signal of being made up of voltage stabilizing didoe D61 and resistance R56; The operating current signal is greater than current reference signal during normal the operation; Operational amplifier I14 output still is a positive potential; Be equivalent to underload when pump motor is in zero load; The operating current signal works less than the underload protection of current reference signal; Operational amplifier I14 output becomes negative potential; Lead-out wire Q4 is that negative potential light-emitting diode D46 is shinny; Relay J is broken off and being shut down; Circuit is in the disorderly closedown state, depresses among Fig. 8 the FW reset button and circuit is returned to treat open state.Specific embodiments is to connect according to circuit among Fig. 6 to carry out.

Fig. 7 is the zero-sequenceprotection circuit theory diagrams; Operation principle is formed zero sequence sampling amplifying circuit by zero sequence current mutual inductor L0, resistance R58, resistance R76 and operational amplifier I13; Zero sequence signal after the amplification compares to operational amplifier I12 and contrast signal; Operational amplifier I12 output is a negative potential when electric leakage or ground connection occurring; Lead-out wire H3 is that negative potential light-emitting diode D47 is shinny, and relay J is broken off and being shut down.Specific embodiments is to connect according to circuit among Fig. 7 to carry out.

Full-automatic time-delay two control reset circuit of Fig. 8 and operation indicating circuit twinkling schematic diagram; Operation principle is by operational amplifier I22; Resistance R40; Resistance R41; Resistance R42; Resistance R43; Resistance R43; Resistance R44; Resistance R45; Diode D40; Diode D52 and electrolytic capacitor C06 form the automatic time delay circuit; Any output is that negative potential can both be controlled automatic time delay circuit trigger in the multiplex arithmetric amplifier; Operational amplifier I22 output was that positive potential is controlled the multiplex arithmetric amplifier again and resetted when time-delay finished, and claimed the two control of full-automatic time-delay reset circuits thus.Light-emitting diode D45 is shinny when for example overload occurring; Relay J is broken off and being shut down; Operational amplifier I18 output is a negative potential; Diode D26 moves resistance R41 and resistance R43 one end to negative potential; Resistance R41 is to electrolytic capacitor C06 charging time-delay; Operational amplifier I22 output was that positive potential control operational amplifier I18 resets when wait operation amplifier I22 negative input end current potential was lower than operational amplifier I22 positive input terminal, and light-emitting diode D45 goes out.Resetting of whole circuit all controlled by lead-out wire F; Power-on-reset current potential moment of being made up of diode D49, resistance R50 and electrolytic capacitor C04 during the complete machine energized rises to positive potential with lead-out wire F resets the multiplex arithmetric amplifier, also can the multiplex arithmetric amplifier resetted with the FW reset button.Form the run indicator circuit by operational amplifier I20, electrolytic capacitor C08 and light-emitting diode D48 etc.; Light-emitting diode D48 was bright when operating current was zero does not glimmer; Bright and the flicker of light-emitting diode D48 when operating current increases increases light-emitting diode D48 flicker frequency with operating current and also strengthens.Specific embodiments is to connect according to circuit among Fig. 7 to carry out.

Fig. 9 pump class protective circuit schematic diagram; Figure 10 power capacitor protective circuit schematic diagram; Pump class protective circuit and power capacitor protective circuit are that the practical application of general-purpose protector analog integrated circuit is given an example; Be to choose Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8 element circuit to form, these element circuits also can be formed the protective circuit of various difference in functionalitys such as motor protector, air compressor machine protector.Improve the protection control precision, reduced the circuit elements device, reduced the complete machine cost.Specific embodiments connects according to side circuit carries out, and above-mentioned each element circuit of operation principle has explanation.

Claims

1. general-purpose protector analog integrated circuit; Comprise that three phase rectifier synthesizes four output operational amplifier circuit; The phase-splitting memory external control type phase failure and unbalance protection of three-phase current circuit; The two controls of two ratios are from opening overload protecting circuit; The two feedback heat of level pressure and electric capacity memory overload protecting circuit; Zero dimension is held and is started underload protective circuit when keeping away; The zero-sequenceprotection circuit; The two control of full-automatic time-delay reset circuit; Power capacitor capacity or operating current are at line detection circuit; Move/stop recognition control circuit; The operation indicating circuit twinkling; It is characterized in that general-purpose protector analog integrated circuit; Be with motor protecting circuit and pump class protective circuit and air compressor machine protective circuit and power capacitor protective circuit and the unified protective circuit unit that has of forming of the total characteristic of a plurality of protective circuit; Unified current reference signal; Select for use the element circuit that needs to form the protector of difference in functionality arbitrarily; Adopt the microelectronics integrated technique to be produced in the highly integrated general-purpose protector analog integrated circuit in hundred sets of elements with some resistance in the circuit and some diodes and some operational amplifiers together; The wiring that need be connected with external circuit with some lead-out wires is drawn out to the integrated circuit outside; Constitute general-purpose protector analog integrated circuit; Resistance R1 in the integrated circuit; Resistance R2; The resistance value of resistance R3 is identical; Resistance R4; Resistance R5; The resistance value of resistance R6 is identical; Resistance R7; Resistance R8; The resistance value of resistance R9 is identical; Resistance R10; Resistance R11; The resistance value of resistance R12 is identical; Resistance R16; Resistance R17; The resistance value of resistance R18 is identical; Resistance R14; The resistance value of resistance R15 is identical; The resistance value of resistance R33 is greater than the resistance value of resistance R34; The resistance value of resistance R38 is greater than the resistance value of resistance R39; The resistance value of resistance R41 is greater than the resistance value of resistance R42; The resistance value of resistance R42 is greater than the resistance value of resistance R43; Other resistance value is decided according to the total characteristic of a plurality of protective circuits; Positive supply VDD connects lead-out wire V1 and gets into integrated circuit; Negative supply VCC connects lead-out wire V2 and gets into integrated circuit; Common port V0 connects lead-out wire V3 and gets into integrated circuit; The circuit structure of the synthetic four output operational amplifier circuit of three phase rectifier is that the three-phase current AC signal converts direct current signal to by three operational amplifiers amplification rectifications respectively in the general-purpose protector analog integrated circuit; Export the current DC signal of three-phase respectively; Amplify the follower output by three computings in addition and connect the synthetic together current signal of exporting the highest phase in the three-phase; Physical circuit is that three-phase current signal connects resistance R46 and lead-out wire A1 entering integrated circuit by the connecting line L01 of sample rate current instrument transformer L1 respectively; The connecting line L02 of current transformer L2 connects resistance R47 and lead-out wire B1 gets into integrated circuit; The connecting line L03 of current transformer L3 connects resistance R48 and lead-out wire C1 gets into integrated circuit; The other end of the other end of current transformer L1 and resistance R46 is connected common port V0; The other end of the other end of current transformer L2 and resistance R47 is connected common port V0; The other end of the other end of current transformer L3 and resistance R48 is connected common port V0; The positive input terminal of lead-out wire A1 concatenation operation amplifier I1, the positive input terminal of lead-out wire B1 concatenation operation amplifier I2, the positive input terminal of lead-out wire C1 concatenation operation amplifier I3; The negative input end of operational amplifier I1 connects resistance R1 and resistance R4; The negative input end of operational amplifier I2 connects resistance R2 and resistance R5, and the negative input end of operational amplifier I3 connects resistance R3 and resistance R6, and resistance R1 is connected common port V0 with the other end of resistance R2 and resistance R3; The output of operational amplifier I1 connects the positive pole of diode D1; The output of operational amplifier I2 connects the positive pole of diode D2, and the output of operational amplifier I3 connects the positive pole of diode D3, and the other end of resistance R4 connects the negative pole of diode D1 and the positive input terminal of resistance R7 and resistance R10 and lead-out wire A2 and operational amplifier I4; The other end of resistance R5 connects the negative pole of diode D2 and the positive input terminal of resistance R8 and resistance R11 and lead-out wire B2 and operational amplifier I5; The other end of resistance R6 connects the negative pole of diode D3 and the positive input terminal of resistance R9 and resistance R12 and lead-out wire C2 and operational amplifier I6, and resistance R7 is connected common port V0 with the other end of resistance R8 and resistance R9, and the output of operational amplifier I4 connects the positive pole of diode D4; The output of operational amplifier I5 connects the positive pole of diode D5; The output of operational amplifier I6 connects the positive pole of diode D6, and the negative pole of the negative pole of the negative input end of the negative input end of operational amplifier I4 and operational amplifier I5 and the negative input end of operational amplifier I6 and diode D4 and the negative pole of diode D5 and diode D6 and resistance R13 and resistance R15 and lead-out wire S1 connect, and the other end of resistance R15 connects the negative input end of resistance R14 and operational amplifier I7; The positive input terminal of operational amplifier I7 connects common port V0; Output and the lead-out wire S2 of the other end concatenation operation amplifier I7 of resistance R14, lead-out wire A1 is an A phase current signal input, lead-out wire B1 is a B phase current signal input; Lead-out wire C1 is a C phase current signal input; Lead-out wire A2 is that output is amplified in the rectification of A phase current signal, and lead-out wire B2 is that output is amplified in the rectification of B phase current signal, and lead-out wire C2 is that output is amplified in the rectification of C phase current signal; Lead-out wire A2 is at the outside electrolytic capacitor C01 positive pole that connects of integrated circuit; Lead-out wire B2 is at the outside electrolytic capacitor C02 positive pole that connects of integrated circuit, and lead-out wire C2 is anodal at the outside connection of integrated circuit electrolytic capacitor C03, and electrolytic capacitor C01 negative pole is connected common port V0 with electrolytic capacitor C02 negative pole with electrolytic capacitor C03 negative pole; Lead-out wire S1 is the highest phase operating current positive signal output of synthetic output; Lead-out wire S2 is the highest phase operating current negative signal output of synthetic output, supplies outside other defencive function that connects of integrated circuit, the current transformer L1 that integrated circuit is outside; Current transformer L2; Current transformer L3 performance is identical; Resistance R46; Resistance R47; The resistance value of resistance R48 is identical, electrolytic capacitor C01; Electrolytic capacitor C02; The capacity of electrolytic capacitor C03 is identical.

2. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that the phase-splitting memory external control type phase failure and unbalance protection of three-phase current circuit in the general-purpose protector Analogous Integrated Electronic Circuits; Form three-phase three comparison circuits respectively by three operational amplifiers; Three-phase current signal is relatively confirmed error protection with contrast signal respectively; Contrast signal is formed by the current signal dividing potential drop of the highest phase in the synthetic output three-phase in the synthetic four output operational amplifier circuit of three phase rectifier; Contrast signal is subjected to the rated current external control; Physical circuit is that resistance R 13 1 ends connect lead-out wire S1; The negative input end of the other end concatenation operation amplifier I8 of resistance R 13 and the negative input end of operational amplifier I9 and negative input end and the lead-out wire E4 of operational amplifier I10; One end of resistance R 10 connects lead-out wire A2; Positive input terminal and diode D22 negative pole and the resistance R 16 of the other end concatenation operation amplifier I8 of resistance R 10; It is anodal that the other end of resistance R 16 connects diode D16; Output and diode D10 negative pole and the diode D29 negative pole of diode D16 negative pole concatenation operation amplifier I8; The anodal lead-out wire A3 that connects of diode D10; One end of resistance R 11 connects lead-out wire B2; Positive input terminal and diode D23 negative pole and the resistance R 17 of the other end concatenation operation amplifier I9 of resistance R 11; It is anodal that the other end of resistance R 17 connects diode D17; Output and diode D11 negative pole and the diode D30 negative pole of diode D17 negative pole concatenation operation amplifier I9; The anodal lead-out wire B3 that connects of diode D11; One end of resistance R 12 connects lead-out wire C2; Positive input terminal and diode D24 negative pole and the resistance R 18 of the other end concatenation operation amplifier I10 of resistance R 12; It is anodal that the other end of resistance R 18 connects diode D18; Output and diode D12 negative pole and the diode D31 negative pole of diode D18 negative pole concatenation operation amplifier I10; The anodal lead-out wire C3 that connects of diode D12; Lead-out wire E4 is the tie point of the phase failure and unbalance protection of three-phase current contrast signal; Lead-out wire E4 connects resistance R 49 and obtains the phase failure and unbalance protection of three-phase current contrast signal; The other end of resistance R 49 connects common port V0; When lead-out wire E4 is connected lead-out wire K2 by diode D51 with resistance R 55; The phase failure and unbalance protection of three-phase current are controlled to shield during greater than the rated current setting at operating current; Output control terminal when lead-out wire A3 is the phase failure of A phase current or imbalance; Output control terminal when lead-out wire B3 is the phase failure of B phase current or imbalance; Output control terminal when lead-out wire C3 is the phase failure of C phase current or imbalance; Lead-out wire A3 connects light emitting diode D41 negative pole; Lead-out wire B3 connects light emitting diode D42 negative pole; Lead-out wire C3 connects light emitting diode D43 negative pole; Anodal and the light emitting diode D43 positive pole anodal with light emitting diode D42 of light emitting diode D41 is connected the negative pole of resistance R 69 and Zener diode D59 together; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

3. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that in the general-purpose protector Analogous Integrated Electronic Circuits that two is that operating current is opened inverse time-lag protection when surpassing the rated current setting automatically than two controls from opening overload protecting circuit; The highest phase operating current of synthetic output negative signal connects the resistance R 51 of the outside overload protection initialization circuit of integrated circuit by lead-out wire S2; Resistance R 51 other ends connect potentiometer W1 fixed end and sliding end and lead-out wire G2; Another fixed end of potentiometer W1 connects lead-out wire G1; The negative input end of lead-out wire G2 concatenation operation amplifier I15; The positive input terminal of operational amplifier I15 connects common port V0; The output of lead-out wire G1 concatenation operation amplifier I15 and resistance R 25 and resistance R 32 and resistance R 0; The positive input terminal of the other end concatenation operation amplifier I16 of resistance R 25 and resistance R 26 and resistance R 27 and lead-out wire G4; The end in addition of resistance R 26 connects common port V0; The negative input end of operational amplifier I16 connects resistance R 33 and lead-out wire E1; The output of operational amplifier I16 connects negative pole and the lead-out wire K2 of diode D33; The other end of resistance R 27 connects the positive pole of diode D34; The negative pole of diode D34 connects the positive pole of diode D35; The negative pole of diode D35 connects positive pole and the negative pole of diode D37 and negative input end and the lead-out wire G3 of resistance R 28 and resistance R 29 and operational amplifier I17 of diode D36; The other end of resistance R 28 connects the positive pole of diode D33; The positive input terminal of operational amplifier I17 connects common port V0; The negative pole of diode D36 connects positive supply VDD; The output of operational amplifier I17 connects the positive pole of diode D37; The other end of resistance R 29 connects lead-out wire G5; Lead-out wire G5 is at the outside lead-out wire G6 that connects of integrated circuit; Lead-out wire G6 connects resistance R 30 at IC interior; The negative input end of the other end concatenation operation amplifier I18 of resistance R 30; The positive input terminal of operational amplifier I18 connects negative pole and the lead-out wire E2 of resistance R 31 and diode D19; Resistance R 31 other ends connect the positive pole of diode D13; The output of operational amplifier I18 connects negative pole and the negative pole of diode D26 and the negative pole of diode D7 of diode D13; The positive pole of diode D7 connects lead-out wire G7; Output control terminal when lead-out wire G7 is current overload; Lead-out wire G7 connects light emitting diode D45 negative pole; The anodal negative pole that connects resistance R 69 and Zener diode D59 of light emitting diode D45; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG; The other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG; Lead-out wire E2 is the overcurrent protection reference signal; Zener diode D61 negative pole and resistance R 56 that lead-out wire E2 connects lead-out wire E1 and basic Huaihe River signal source through resistance R 66; The other end of resistance R 56 connects positive supply VDD, the anodal common port V0 that connects of Zener diode D57.

4. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that the two feedback heat of level pressure and electric capacity memory overload protecting circuits are the highest phase operating current negative signal of synthetic output connects the outside overload protection initialization circuit of integrated circuit by lead-out wire S2 resistance R 51 in the general-purpose protector Analogous Integrated Electronic Circuits; Resistance R 51 other ends connect potentiometer W1 fixed end and sliding end and lead-out wire G2; Another fixed end of potentiometer W1 connects resistance R 55 and lead-out wire G1; The output of lead-out wire G1 concatenation operation amplifier I15; The negative input end of lead-out wire G2 concatenation operation amplifier I15; The positive input terminal of operational amplifier I15 connects common port V0; The other end of non-essential resistance R55 connects resistance R 54 and lead-out wire Q3; Resistance R 54 other ends connect common port V0; The positive input terminal of lead-out wire Q3 concatenation operation amplifier I13; The negative input end of operational amplifier I13 connects lead-out wire Q2; The output of operational amplifier I13 connects lead-out wire Q1; Lead-out wire Q1 connects non-essential resistance R60 and resistance R 61; The other end of resistance R 61 connects the negative pole of resistance R 62 and Zener diode D60; The other end of resistance R 62 connects the negative pole of resistance R 63 and resistance R 64 and diode D57; The other end of resistance R 64 connects positive pole and the common port V0 of Zener diode D60; The other end of resistance R 63 connects the positive pole of diode D57 and the negative pole of electrolytic capacitor C09 is connected lead-out wire Q2 again with resistance R 65; Resistance R 65 other ends connect common port V0; Resistance R 60 other ends connect the positive pole of diode D50; The positive pole that the negative pole of diode D50 connects electrolytic capacitor C09 is connected lead-out wire G6 again with resistance R 59; Resistance R 59 other ends connect common port V0; Lead-out wire G6 connects internal resistance R30; The negative input end of the other end concatenation operation amplifier I18 of resistance R 30; The positive input terminal of operational amplifier I18 connects resistance R 31 and lead-out wire E2; Resistance R 31 other ends connect the positive pole of diode D13; The output of operational amplifier I18 connects the negative pole of diode D13 and the negative pole of diode D7; The positive pole of diode D7 connects lead-out wire G7; Lead-out wire E2 connects non-essential resistance R68 and resistance R 74; Resistance R 68 other ends connect common port V0; Resistance R 74 other ends connect positive supply VDD; Lead-out wire G7 connects the negative pole of light emitting diode D45; The positive pole of light emitting diode D45 connects the negative pole of resistance R 69 and Zener diode D59; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

5. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that zero dimension in the general-purpose protector Analogous Integrated Electronic Circuits hold starting when keeping away underload holding circuit structure form underload initialization circuit by the operational amplifier and the potentiometer of integrated circuit outside; I13 amplifies current settings with operational amplifier; With operational amplifier I14 operating current and reference signal are compared and enlarged control; Control when keeping away with operational amplifier I21 starting; Starting when keeping away in the process underload protection inoperative; Circuit is in zero dimension and holds and avoid misoperation during stopped status; The highest phase operating current of synthetic output negative signal connects the resistance R 52 of the outside underload protection initialization circuit of integrated circuit by lead-out wire S2; Resistance R 52 other ends connect potentiometer W2 fixed end and sliding end and lead-out wire Q2; Another fixed end of potentiometer W2 connects lead-out wire Q1; The negative input end of lead-out wire Q2 concatenation operation amplifier I13; The positive input terminal of operational amplifier I13 connects lead-out wire Q3; Lead-out wire Q3 is connected the outside resistance R 54 of integrated circuit; The other end of resistance R 54 connects common port V0; Output and the resistance R 21 of lead-out wire Q1 concatenation operation amplifier I13; The negative pole of the positive input terminal of the other end concatenation operation amplifier I14 of resistance R 21 and resistance R 23 and diode D20; The other end of resistance R 23 connects the positive pole of diode D14; The negative input end of operational amplifier I14 connects the negative pole of diode D25 and positive pole and the lead-out wire E3 of diode D32; The positive pole of diode D25 connects common port V0; The negative pole of diode D32 connects resistance R 24; The other end of resistance R 24 connects output and the lead-out wire Y2 that starts the operational amplifier I21 of circuit when keeping away; Output and the negative pole of diode D27 and the negative pole of diode D8 of I14 put in the negative pole concatenation operation of diode D14; The positive pole of diode D8 connects lead-out wire Q4; Lead-out wire E3 is the underload protection reference signal of electric current; Lead-out wire E3 connects integrated circuit non-essential resistance R67 and resistance R 72; The other end of resistance R 67 connects negative pole and the resistance R 56 of reference circuit voltage-stabiliser tube D61; The other end of resistance R 56 connects positive supply VDD; The positive pole of voltage-stabiliser tube D61 connects common port V0; The other end of resistance R 72 connects positive pole and the electrolytic capacitor C10 positive pole of diode D53; Electrolytic capacitor C10 negative pole connects negative supply VCC; The negative pole of diode D53 connects the anodal and lead-out wire K1 of electrolytic capacitor C07; Electrolytic capacitor C07 negative pole connects potentiometer W4 fixed end and sliding end and lead-out wire Y1; Another fixed end of potentiometer W4 connects negative supply VCC; The negative input end of lead-out wire Y1 concatenation operation amplifier I21; The positive input terminal of operational amplifier I21 connects resistance R 38 and resistance R 39; The other end of resistance R 38 connects positive supply VDD; The other end of resistance R 39 connects negative supply VCC; Lead-out wire Q4 connects the negative pole of light emitting diode D46; The positive pole of light emitting diode D46 connects the negative pole of resistance R 69 and Zener diode D59; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

6. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that zero-sequenceprotection circuit in the general-purpose protector Analogous Integrated Electronic Circuits; Zero sequence current mutual inductor L0 one end connects resistance R 58; The zero sequence current mutual inductor L0 other end connects common port V0; The other end of resistance R 58 connects resistance R 76 and lead-out wire H2; The other end of resistance R 76 connects lead-out wire H1; The negative input end of lead-out wire H2 concatenation operation amplifier I11; The positive input terminal of operational amplifier I11 connects common port V0; It is anodal that the output of operational amplifier I11 connects diode D0; Lead-out wire H1 connects diode D0 negative pole and resistance R 22; The negative input end of the other end concatenation operation amplifier I12 of resistance R 22; The positive input terminal of operational amplifier I12 connects negative pole and the resistance R 19 and resistance R 20 of diode D21; The other end of resistance R 19 connects negative supply VCC; The other end of resistance R 20 connects the negative pole of diode D15; The output of operational amplifier I12 connects positive pole and the negative pole of diode D28 and the negative pole of D9 of diode D15; The positive pole of D9 connects lead-out wire H3; Lead-out wire H3 connects the negative pole of light emitting diode D47; The positive pole of light emitting diode D47 connects the negative pole of resistance R 69 and Zener diode D59; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

7. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that in the general-purpose protector Analogous Integrated Electronic Circuits double control-type multichannel reset circuit of automatically delaying time; Each road protection output connects to form OR circuit and controls the delay circuit that resets; The delay circuit output that resets connects each road protection output of control simultaneously and resets; The output of the negative pole concatenation operation amplifier I18 of diode D26; The output of the negative pole concatenation operation amplifier I14 of diode D27; The output of the negative pole concatenation operation amplifier I12 of diode D28; The output of the negative pole concatenation operation amplifier I8 of diode D29; The output of the negative pole concatenation operation amplifier I9 of diode D30; The output of the negative pole concatenation operation amplifier I10 of diode D31; The positive pole of the positive pole of the positive pole of the positive pole of diode D26 and diode D27 and the positive pole of diode D28 and diode D29 and the positive pole of diode D30 and diode D31 is connected resistance R 41 and resistance R 43 together; The positive input terminal of the other end concatenation operation amplifier I22 of resistance R 43 and positive pole and the resistance R 42 of diode D40; The negative pole of diode D40 connects resistance R 44 and resistance R 45; The other end of resistance R 45 connects common port V0; The other end of resistance R 42 and resistance R 44 is connected positive supply VDD; Negative input end and the lead-out wire Z of the other end concatenation operation amplifier I22 of resistance R 41; The positive input terminal of the negative pole concatenation operation amplifier I18 of diode D19; The positive input terminal of the negative pole concatenation operation amplifier I14 of diode D20; The positive input terminal of the negative pole concatenation operation amplifier I12 of diode D21; The positive input terminal of the negative pole concatenation operation amplifier I8 of diode D22; The positive input terminal of the negative pole concatenation operation amplifier I9 of diode D23; The positive input terminal of the negative pole concatenation operation amplifier I10 of diode D24; The positive pole of the positive pole of the positive pole of the positive pole of diode D19 and diode D20 and the positive pole of diode D21 and diode D22 and the positive pole of diode D23 and diode D24 is connected resistance R 40 and lead-out wire F together; The output of operational amplifier I22 and resistance R 40; Lead-out wire F resets in the outside connection of integrated circuit and connects the negative pole of button FW and diode D49; The other end that meets button FW of resetting connects positive pole and the positive supply VDD of electrolytic capacitor C04; The positive pole of diode D49 connects negative pole and the resistance R 50 of electrolytic capacitor C04; The other end of resistance R 50 connects negative supply VCC; Lead-out wire Z is at the outside negative pole of electrolytic capacitor C06 and the negative pole of diode D52 of connecting of integrated circuit; The positive pole of electrolytic capacitor C06 connects positive supply VDD; The positive pole of diode D52 connects lead-out wire K1, and lead-out wire F is outside power-on-reset, hand-reset and inner automatically reset total connecting line.

8. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that moving indicating circuit twinkling in the general-purpose protector Analogous Integrated Electronic Circuits; After operating current is higher than certain setting; The run indicator flicker frequency is directly proportional with operating current; Run indicator also stops flicker when shutdown or disorderly closedown machine; Operational amplifier I20 positive input terminal connects resistance R 35 and resistance R 36; The other end of resistance R 35 connects positive pole and the common port V0 of diode D38; Operational amplifier I20 negative input end connects positive pole and the resistance R 0 and lead-out wire X1 of negative pole and the diode D39 of diode D38; The negative pole of diode D39 connects resistance R 37; The other end concatenation operation amplifier I20 output and the lead-out wire X2 of the other end of resistance R 37 and resistance R 36; Lead-out wire X2 connects the outside resistance R 57 of integrated circuit; The other end of resistance R 57 connects the positive pole of light emitting diode D48; The negative pole of light emitting diode D48 connects common port V0; Lead-out wire X1 connects outside diode D54 positive pole of integrated circuit and the positive pole of electrolytic capacitor C08; The negative pole of electrolytic capacitor C08 connects common port V0; The negative pole of diode D54 connects positive pole and the positive pole of light emitting diode D42 and positive pole and the positive pole of light emitting diode D45 and positive pole and the positive pole of light emitting diode D47 and negative pole and the resistance R 69 of Zener diode D59 of light emitting diode D46 of light emitting diode D43 of light emitting diode D41; The positive pole of Zener diode D59 connects the base stage of resistance R 70 and triode BG; The other end of resistance R 69 connects positive supply VDD and diode D55 negative pole and relay J; The other end of relay J connects the colelctor electrode of diode D55 positive pole and triode BG, and the other end of resistance R 70 connects the emitter stage of negative supply VCC and triode BG.

9. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that in the general-purpose protector Analogous Integrated Electronic Circuits that online detection power capacitor capacity or operating current are at line detection circuit; The operating current negative signal connects integrated circuit external circuit resistance R 53 by lead-out wire S2; The other end of resistance R 53 connects potentiometer W3 and lead-out wire H2; The other end of potentiometer W3 connects external digital display terminal CS and lead-out wire H1 gets into integrated circuit; The negative input end of lead-out wire H2 concatenation operation amplifier I11; The positive input terminal of operational amplifier I11 connects common port V0; It is anodal that the output of operational amplifier I11 connects diode D0; Lead-out wire H1 connects diode D0 negative pole and resistance R 22; Be the signal output part of online detection power capacitor capacity or operating current between lead-out wire H1 and the common port V0, connect external digital display terminal CS.

10. want 1 said general-purpose protector Analogous Integrated Electronic Circuits according to right; It is characterized in that moving/stop recognition control circuit in the general-purpose protector Analogous Integrated Electronic Circuits; Operational amplifier I19 positive input terminal connects resistance R 32; The other end of resistance R 32 connects resistance R 0 and operational amplifier I15 output and lead-out wire G1; Operational amplifier I19 negative input end connects resistance R 33 and resistance R 34; The other end concatenation operation amplifier I16 negative input end and the lead-out wire E1 of resistance R 33; The other end of resistance R 34 connects common port V0; Operational amplifier I19 output connects lead-out wire K1; Lead-out wire K1 is at the outside positive pole of electrolytic capacitor C07 and the negative pole of diode D53 of connecting of integrated circuit during the protection of pump class, and lead-out wire K1 is at the outside negative pole of diode D56 and the positive pole of diode D52 of connecting of integrated circuit during the power capacitor protection.