CN100487478C - Multi-channel electromagnet realtime fast detector - Google Patents
Multi-channel electromagnet realtime fast detector Download PDFInfo
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- CN100487478C CN100487478C CNB2006100382158A CN200610038215A CN100487478C CN 100487478 C CN100487478 C CN 100487478C CN B2006100382158 A CNB2006100382158 A CN B2006100382158A CN 200610038215 A CN200610038215 A CN 200610038215A CN 100487478 C CN100487478 C CN 100487478C
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Abstract
The invention relates to a multi-channel electromagnet real time fast detecting device that belongs to electric component testing device. It includes a casing and a basal, a contact mechanism, a tested electromagnet orientation mechanism, a probe moving mechanism, a probe, and a control circuit. The advantage of the invention is that the probe could move to left or right on the probe moving mechanism to realize real time testing to the multi-channel electromagnet in high efficiency and ensure consistency to multi-channel.
Description
Technical field
The invention belongs to the electric components special detection device, more particularly is a kind of multi-channel electromagnet realtime fast detector, is used for the parameters such as magnetic induction density such as cold-state resistance, supply voltage, electric current, set a distance place of fast detecting multi-channel electromagnet.
Background technology
At the electromagnet pick-up unit, the applicant had once entrusted Jiangsu Province's science and technology to look into new center and had retrieved, discovery has following information: " the electromagnet numerical evaluation software package FEMA2D " of China Atomic Energy Science Research Institute's development used the static pull characteristics and the dynamic perfromance of various types electromagnet and calculated, and this software package can be used to carry out the computer-aided design (CAD) of all kinds of electromagnet; Harbin University of Science and Technology's college of materials science and engineering adopts field programmable gate array device and electric design automation technology, proposition has also realized digitized iron and steel electromagnetic nondestructive design of test scheme, by the FPGA device programming having been realized the digital signal processing to detection signal; Machinery Science and Engineering College, Huzhong University of Science and Tec adopts dimensional finite element method to study the local magnetized of large-area steel plate Magnetic Flux Leakage Inspecting, has analyzed steel plate width and has changed magnetizing the influence of effect, has proved the feasibility of local magnetized.As seen, though the domestic report that has pair electromagnet to detect does not reach for example technology enlightenment that detects real-time of a plurality of electromagnetic parameters of 20 tunnel, 28 tunnel etc. of multichannel.
According to the knowledge of the applicant, the detection to electromagnet at present mainly contains two kinds of detection modes: the one, single electromagnet is detected one by one, by artificial mobile detecting head with fix after tested electromagnet contact, detect, switch; The 2nd, detecting head is fixed, carry out multichannel by artificial mobile tested electromagnet and switch.Know that from above-mentioned two kinds of detection modes are apparent the former is in dynamically detecting head by artificial mobile detecting head, electromagnet is in static state; The latter then is in static state with detecting head, by electromagnet is in dynamically.The former existing shortcoming shows as single piece of electromagnet is detected one by one, can't accomplish that real-time detection efficiency is low; Though the latter can make detection efficiency be improved,, thereby can't guarantee the accuracy of locating and the consistance of repeated detection because the volume of electromagnet, quality be often greater than detecting head.The applicant thinks that the basic reason that causes above-mentioned drawback is due to the unreasonable structure of pick-up unit self.
Summary of the invention
The accuracy that the object of the present invention is to provide a kind of detection efficiency height and can guarantee to locate and the conforming multi-channel electromagnet realtime fast detector of repeated detection.
The objective of the invention is to reach like this, a kind of multi-channel electromagnet realtime fast detector comprises the pedestal 1 of being furnished with case and tool seat chamber; One is used for the contact mechanism that contacts with tested electromagnet 24, and the middle part, seat chamber that is arranged on pedestal 1 is the front side partially; One is used for making tested electromagnet 24 and described contact mechanism realize the tested electromagnet detent mechanism that contacts using of tested electromagnet 24 location, is located at the middle part, seat chamber of described pedestal 1, and is positioned at the place ahead of contact mechanism; One probe travel mechanism, the seat chamber middle part that is arranged on pedestal 1 is rear side partially, and is corresponding with contact mechanism; One is used to survey the detecting head 14 of the magnetic induction density of tested electromagnet 24, can left and rightly be located at movably in the described probe travel mechanism; One is that be used for being electrically connected with tested electromagnet 24, contact mechanism, detecting head 14 and probe travel mechanism and with the control circuit board 20 of cold-state resistance, supply voltage, electric current and the output of magnetic induction density signal of the tested electromagnet 24 that obtained, is arranged in the seat chamber of pedestal 1 one ends.
Contact mechanism of the present invention comprises that two ends are installed with at middle part, 1 chamber of pedestal the contact assembly holder 21 and the one group contact assembly of a cloth on contact assembly holder 21 of front side partially.
One group of contact assembly of the present invention has 28 at least, each contact assembly comprises pressing plate 29, contact 23, insulation orienting sleeve 27, spring 28, pressing plate 29 is fixed on the back of contact assembly holder 21, contact 23 passes the contact apertures that is preset on the contact assembly holder 21 and the contact apertures on the pressing plate 29 respectively, front end extends in outside the contact assembly holder 21, the rear end extends in outside the pressing plate 29, and be electrically connected by circuit and described control circuit board 20, insulation orienting sleeve 27, spring 28 are located at respectively on the contact 23, and are arranged in described contact apertures.
Constitute insulation between contact 23 of the present invention and the contact assembly holder 21.
Tested electromagnet detent mechanism of the present invention comprises vertical, horizontal locating piece 30,22, longitudinal register piece 30 is L-shaped, be fixed on the accent place at the middle part, seat chamber of pedestal 1, parallel with the contact assembly holder 21 of contact mechanism, located lateral piece 22 be located at pedestal 1 and contact mechanism contact assembly holder 21 both appoint and select on the one, and hold corresponding to one of longitudinal register piece 30.
Probe of the present invention travel mechanism comprises stepper motor 36, main, driven pulley 35,16, driving-belt 34, a pair of guide pole parallel to each other 2,32, detecting head holder 15, stepper motor 36 is installed in one of the seat chamber of pedestal 1 end, be electrically connected with control circuit board 20, driving pulley 35 is located at the output shaft axle head of stepper motor 36, driven pulley 16 is located at the other end of pedestal 1, driving-belt 34 is nested with the master respectively, driven pulley 35, on 16, and a pair of leather belt head 31 of this driving- belt 34,11 fix with detecting head holder 15, a pair of guide pole 2,32 two ends are supported on respectively on the wallboard at seat chamber middle part of pedestal 1, detecting head holder 15 left sides, the sliding guide pole 2 that fits over with moving right, on 32.
Probe of the present invention travel mechanism comprises stepper motor 36, motor gear 38, screw mandrel 39, the guide pole 32 parallel with screw mandrel 39, screw gear 40, stepper motor 36 is installed in one of the seat chamber of pedestal 1 end, motor gear 38 is installed in the output shaft axle head of stepper motor 36, the two ends hub setting of screw mandrel 39 is on the wallboard at the middle part, seat chamber of pedestal 1, the two ends of guide pole 32 are fixed on the wallboard at seat chamber middle part of pedestal 1, screw gear 40 is fixed on an end end of screw mandrel 39, be meshed with motor gear 38, by screw mandrel 39, guide pole 32 is for detecting head holder 15 left side on screw mandrel 39 and guide pole 32, move right.
Driving-belt 34 of the present invention is to be with synchronously.
The advantage of multi-channel electromagnet realtime fast detector disclosed in this invention is: detecting head 14 can be done agonic left and right moving in detecting head travel mechanism, and can ensure the accurate location of tested electromagnet 24 by the electromagnet position-limit mechanism, therefore both can embody high efficiency real-time detection, can ensure the consistance that multi-channel electromagnet is detected again multi-channel electromagnet.
Description of drawings
Fig. 1 is an example structure figure of multi-channel electromagnet realtime fast detector disclosed in this invention.
Fig. 2 is another example structure figure of multi-channel electromagnet realtime fast detector disclosed in this invention.
Fig. 3 is the schematic cross section that is used to disclose detecting head 14 and tested electromagnet 24 of the present invention.
Fig. 4 is the theory diagram of control circuit board 20 of the present invention.
Fig. 5 is the circuit theory diagrams of CPU of the present invention and peripheral circuit 42.
Fig. 6 is the circuit theory diagrams of magnet coil commutation circuit 43 of the present invention.
Fig. 7 is the circuit theory diagrams that instrument of the present invention inserts commutation circuit 44.
Fig. 8 is the circuit theory diagrams of communication commutation circuit 45 of the present invention.
Fig. 9 is the circuit theory diagrams of display keyboard circuit 46 of the present invention.
Figure 10 is the circuit theory diagrams of stepping motor control circuit 47 of the present invention.
Embodiment
The applicant is described in detail the present invention, and helping to understand the present invention, but content described below is not restricted to the present invention.
In Fig. 1, pedestal 1 is rectangular substantially, case is made of upper encloser 5 and left and right case 4,18, they cover respectively and put on pedestal 1, also warding off one on upper encloser 5 is used for examining the feedback areas 10 of knowing various detection signals intuitively for the tester, on this feedback areas 10, be provided with corresponding to showing as one group of pilot lamp 13 of substandard products, qualified, magnetic field, voltage, electric current, high resistant, low-resistance or the like that this group pilot lamp 13 is by control circuit board 20 electrical connections.In addition, also be respectively equipped with power switch 3 and function button 19 on left and right case 4,18, these function buttons 19 are electrically connected with control circuit board 20 equally.Control circuit board 20 is fixed in the seat chamber of one of pedestal 1 end, if be example with the position in scheming, then is in the right-hand member of pedestal 1.The power lead of being seen from the pedestal 1 37 is used for joining with power supply.In addition, known to the structure of case 5, pedestal 1 side towards the tester under user mode is not sealed.
Also available other similar fashion of the both available screw of the contact assembly holder 21 of contact mechanism is fixed on the pedestal 1, and what provide among the figure is to fix by screw.Several contact assemblies are arranged on the contact assembly holder 21 to each other across a certain distance, with regard at present to regard to the detection of the used multi-channel electromagnet of electronic dobby machine, can reach 28 the tunnel, therefore, corresponding contact assembly should guarantee to have 28 at least, but this quantity is not subjected to concrete restriction yet.Each contact assembly has a contact 23, pressing plate 29, spring 28 and insulation orienting sleeve 27 and constitutes, by the structural relation shown in the figure as can be known, contact 23 is telescopic by the extension/compression of spring 28, touches so that the top end face of contact 23 can closely be pasted with the lower core 26b of the U sections core 26 of tested electromagnet 24.
Be fixed on the opening that does not constitute sealing of pedestal 1 as the longitudinal register piece 30 that constitutes tested electromagnet detent mechanism, promptly pedestal 1 under user mode towards tester's a side.Longitudinal register piece 30 is L-shaped, so that embody location to tested electromagnet 24 well by this shape.And located lateral piece 22 both can be fixed on an end of contact assembly holder 21, and diagram promptly belongs to, and also can be installed on the pedestal 1, cooperated longitudinal register piece 30 to limit or claim to control the position of tested electromagnet 24 jointly by this located lateral piece 22.
In Fig. 2, disclosed the another kind of embodiment of probe travel mechanism, it is that the guide pole shown in Fig. 12 is transformed to screw mandrel 39, and on screw mandrel 39, set firmly screw gear 40, the axle head that goes out at stepper motor 36 is fixed with motor gear 38 suitablely, promptly the driving pulley among Fig. 1 35 is transformed to motor gear 38, this motor gear 38 is engaged with each other with screw gear 40.Because guide pole shown in Figure 12 has been become the screw mandrel 39 among Fig. 2, therefore, pilot hole 7 originally just correspondingly change become to be shaped on the inwall of sealing and be used for the screw that matches with screw mandrel 39.All the other are with the description to Fig. 1.
Detecting head 14 is installed on the detecting head holder 15 of probe travel mechanism by screw, after tested electromagnet 24 places on the electromagnet detent mechanism, then the front end of detecting head 14 is corresponding to the U sections core 26a of tested electromagnet 24, that is to say, the front end of detecting head 14 is directly not contact with the U sections core 26a of tested electromagnet 24, and spaced apart is 4～6mm.The afterbody of detecting head 14 is connected with control circuit board 20 by signal conducting cable 6.It can be surveyed the circuit that gets off to pass on the control circuit board 20 near the magnetic induction density in the magnetic circuit of detecting head 14 (being Hall element) front end with tested electromagnet 24 and handle, the design of the Chinese Jiangsu of control circuit board 20 employings Changshu Institute of Technology intelligence instrument research institute, the CSLG-28 type control circuit board of producing and selling are specifically shown by Fig. 5 to Figure 10 that the applicant provides.Figure 1 shows that example, to be with a pair of guide pole 2,32 that carrier is done left and right mobile owing to detecting head holder 15, therefore, when the embodiment shown in this figure of employing, the shape that is formed on the pilot hole 7 on the travelling carriage 8 of detecting head holder 15 bottoms can show as crescent or claim banana-shaped, joins with the sliding each other of guide pole 2 because this shape can satisfy pilot hole 7 fully.
In Fig. 4, provided control circuit board 20 of the present invention, it comprises CPU and the peripheral circuit 42 that is made of clock circuit, watchdog circuit, RS-232 serial communication circuit, warning circuit, single-chip microcomputer, as the control core; Magnet coil commutation circuit 43 selects wherein one tunnel the coil of multi-channel electromagnet to carry out electric parameter measurement; Instrument inserts commutation circuit 44, and electric parameter measurement instrument and coil stimulating power supply are linked in the tested wire loop; Communication commutation circuit 45 selects each communication port of measuring with digital instrument to be connected with the PC serial ports; Display keyboard circuit 46 is used to show the measurement state, and the keyboard input medium is provided; Stepping motor control circuit 47 is used for drive stepping motor 36, and comes mobile detecting head 14 with this, wherein one tunnel the iron core of multi-channel electromagnet is carried out magnetic parameter measure.
In Fig. 5, provided the circuit theory of CPU and peripheral circuit 42, singlechip CPU (IC202) is 89C52, its peripheral circuit comprises the clock circuit of being made up of crystal oscillator X201, capacitor C 201, C202, the watchdog circuit of forming by integrated circuit (IC) 201 (IMP813L), diode D201 and resistance R 201, reset button S201 that is used for monitoring CPU, the RS-232 serial communication circuit of forming by integrated circuit (IC) 203 (MAX232), capacitor C 203-C206 and socket J202, the warning circuit of forming by triode Q201, hummer B201, resistance R 202, R203.J201 provides the display keyboard circuit interface by exclusion RP201-socket, provides magnet coil commutation circuit interface by socket J203, provides the stepping motor control circuit interface by socket J204, and socket J205 provides power supply to supply with.
In Fig. 6, magnet coil commutation circuit 43 is made up of address decoding circuitry, photoelectric isolating circuit, driving circuit and relay.Address decoding circuitry connects photoelectric isolating circuit, photoelectric isolating circuit connects driving circuit, and driving circuit connects relay.From the address signal P03-P07 process socket J302 of CPU and peripheral circuit, deliver to the address decoding circuitry of inverter ic 314A (SN7404) and IC301 (SN74154), IC302 (SN74154) composition.5 bit address are decoded into 28 road signals, by the photoelectric isolating circuit output of forming by exclusion RP301-RP314, integrated optocoupler IC303-IC309 (TLP521-4), exclusion RP301-RP307 forms the luminotron current-limiting resistance of optocoupler, and exclusion RP308-RP314 forms the receiving tube pull-up resistor of optocoupler.After 28 road signals after the isolation pass through the driving circuit of being made up of resistance R 301-R303, integrated circuit (IC) 310-IC313 (ULN2804), drive 28 relay U301-U328 respectively, resistance R 301-R303 is as the public current-limiting resistance of relay coil continuous current circuit.The common of 28 relay U301-U328 is connected with the input end of 28 coils of tested multi-channel electromagnet by socket J301, the CON+ end of the normally opened contact gang socket J202 of relay U301-U328, the COB-end of the output terminal gang socket J302 of 28 coils of tested multi-channel electromagnet.
In Fig. 7, meter in circuit 44 switches to be made up of photoelectric isolating circuit, driving circuit and relay, and photoelectric isolating circuit connects driving circuit, and driving circuit connects relay.The photoelectric isolating circuit output of output signal P20-P24 from CPU and peripheral circuit through forming by exclusion RP401, RP402, integrated optocoupler IC401 (TLP521-1), IC402 (TLP521-4).Driving circuit is made up of integrated circuit (IC) 403 (ULN2804) and resistance R 401.Difference according to measurement parameter, 6 relay U401-U406 under the control of CPU are being linked into ohmmeter, voltage table, reometer, excitation power supply on the socket J302 of magnet coil commutation circuit, ohmmeter can be measured the resistance of magnet coil and the insulation resistance (high resistant) between magnet coil and the iron core, also can draw temperature by the resistance of measuring thermistor, voltage table can be measured driving voltage, and reometer can be measured exciting current.
In Fig. 8, communication commutation circuit 45 is made up of photoelectric isolating circuit, multi-way switch, overvoltage crowbar and power converting circuit.The photoelectric isolating circuit output of output signal P00-P02 from CPU and peripheral circuit through forming by exclusion RP501, RP502, integrated optocoupler IC501 (TLP521-4), the multi-way switch that goes control to form by socket J501-J507, integrated circuit (IC) 502-IC505 (4051), socket J502 connects the serial ports COM2 of host computer (PC), socket J502, J503, J504 connect the communication port of each digital instrument that is used for measuring electromagnetic parameters, and socket J506, J507 reserve and be used for connecting standby meter.The overvoltage crowbar of being made up of resistance R 501-R514, voltage stabilizing diode ZD501-ZD528 is used for suppressing too high rs 232 serial interface signal level, in order to avoid damage integrated circuit (IC) 502-IC505 (4051).The power converting circuit of being made up of three end integrated stable voltage circuit IC506 (MC7809), IC1507 (MC7909), capacitor C 501-C508 is with outside ± 12V power conversion one-tenth ± 9V power supply, and capacitor C 501-C508 is a filter capacitor.
In Fig. 9, display keyboard circuit 46 is made up of photoelectric isolating circuit, function button and indicating circuit, feedback of status pilot lamp, and function button and indicating circuit connect photoelectric isolating circuit.Function button and the indicating circuit formed by button S601-S604, resistance R 601-R604 and light emitting diode L601-L604; be used for sending " shutdown ", " resurveying ", " putting in place " and " offing normal " signal and provide function to show that R601-R604 is a pull-up resistor.The signal that function button sends is input to INT0, INT1, P25 and the P26 pin of CPU and peripheral circuit by the photoelectric isolating circuit of being made of exclusion RP601, RP602 and integrated optocoupler IC601 (TLP521-4).8 light emitting diode L605-L612 pass through the socket J201 that socket J601 connects CPU and peripheral circuit, are used to indicate the operation feedback states of pick-up unit.
In Figure 10, stepping motor control circuit 47 is made up of assistant SCM and peripheral circuit, stepper motor driving circuit, holding circuit and electric source filter circuit.The CPU of assistant SCM (IC701) is 89C2051, its peripheral circuit comprises by crystal oscillator X701, capacitor C 706, the clock circuit that C707 forms, by integrated circuit (IC) 702 (IMP813L, diode D703 and resistance R 717, the watchdog circuit that is used for monitoring CPU that reset button S703 forms, C703 is a filter capacitor, the CPU of socket J701 connection layout 5 and the socket J204 of peripheral circuit, wherein MOTCP is the online stairstep signal that master cpu sends, MOTRET is that the motor that master cpu sends returns zero signal, MOTREADY is that aiding CPU is answered the stepping and time zero signal of finishing to master cpu, button S701, S702 is respectively the off line crawl, reset button, reflective optocoupler U701 is used for motor zero-bit position probing, R701 is the luminotron current-limiting resistance of optocoupler, R709 is the receiving tube pull-up resistor of optocoupler, and C708 is a filter capacitor.The stepper motor driving circuit of forming by special-purpose step motor drive module I C703 (STK6722H), resistance R 702-R705, R710-R714, resistance R 710-R713 provides the reference voltage (VREF) of module I C703, this reference voltage can be by the P1.5 of aiding CPU (IC701), P1.6 control.Resistance R 702-R705 is as the pull-up resistor of four phase input signal IA, IB, IC and the ID of module I C703, this four phase input signal is from the P1.0-P1.3 pin of aiding CPU (IC701), resistance R 714 is the pull-up resistor of the low-voltage retentive control end (P.D) of module I C703, this low-voltage retentive control signal is from the P1.4 pin of aiding CPU (IC701), socket J703 connects stepper motor, and stepper motor drives detecting head multi-channel electromagnet is carried out the magnetic parameter measurement.The holding circuit of forming step motor drive module I C703 by triode Q701-Q702, diode D701, D702, D704 and D705, voltage stabilizing diode ZD701-ZD703, resistance R 706-R708, R715 and R716, capacitor C 701.Voltage stabilizing diode ZD701-ZD703 is used for improving turn-on threshold, resistance R 706-R708, R715 and the R716 of the triode Q701-Q703 biasing resistor as triode Q701-Q703 respectively, diode D701, D702, D704 and D705 play buffer action, and C701 is a filter capacitor.By capacitor C 702, C705 and C704, C709 form external+35V and+filtering circuit of 5V power supply.
According to Fig. 1 and Fig. 2 and in conjunction with Fig. 3, the solenoid 41 of tested electromagnet 24 inside is connected with control circuit board 20 plug types by magnet coil extension line 25, finish the switching that is electrically connected by control circuit board 20 to a plurality of magnet coils 41, this switching must be synchronous with the mobile phase of detecting head 14, so that synchro measure go out each road magnet coil 41 such as cold-state resistance, supply voltage, electric current, whether magnetic induction density in magnetic induction density during energising in the magnetic circuit of detecting head 14 front ends and the outage back certain hour in the magnetic circuit of detecting head 14 front ends, judge tested electromagnet 24 so that cooperate with computing machine qualified.Control circuit board 20 connects the alternating current 220V power supply by power lead 37.The function button 19 and the control circuit board 20 that are installed on the right case 18 are electrically connected, and are mainly used to send the signal of " putting in place ", " resurveying ", " shutdown " and so on.
Tested electromagnet 24 is placed on the tested electromagnet detent mechanism, thereby the vertical, horizontal locating piece 30,22 by this mechanism is located tested electromagnet 24, this moment, the contact 23 of contact mechanism just closely contacted with the lower core 26b of U sections core 26, and the effect of this tight contact is ensured by spring 28; And detecting head 14 upper core 26a lucky and U sections core 26 maintain the spacing of 5mm.Press power switch 3, give signal in stepper motor 36 by control circuit board 20, stepper motor 36 work are moved probe mechanism.As described above, the switching of control circuit board 20 is synchronous with the mobile phase of the detecting head 14 of probe mechanism, therefore can finish in the process that detecting head 14 moves the detection according to all parameter of each the road magnet coil 41 in the as mentioned above tested electromagnet 24 that needs.
Claims (8)
1, a kind of multi-channel electromagnet realtime fast detector is characterized in that comprising the pedestal (1) of being furnished with case and tool seat chamber; One is used for the contact mechanism that contacts with tested electromagnet (24), and the middle part, seat chamber that is arranged on pedestal (1) is the front side partially; One is used for making tested electromagnet (24) and described contact mechanism realize the tested electromagnet detent mechanism that contacts using of tested electromagnet (24) location, is located at the middle part, seat chamber of described pedestal (1), and is positioned at the place ahead of contact mechanism; One probe travel mechanism, the seat chamber middle part that is arranged on pedestal (1) is rear side partially, and is corresponding with contact mechanism; One is used to survey the detecting head (14) of the magnetic induction density of tested electromagnet (24), can left and rightly be located at movably in the described probe travel mechanism; One is that be used for being electrically connected with tested electromagnet (24), contact mechanism, detecting head (14) and probe travel mechanism and with the control circuit board (20) of cold-state resistance, supply voltage, electric current and the output of magnetic induction density signal of the tested electromagnet (24) that obtained, is arranged in the seat chamber of pedestal (1) one end.
2, multi-channel electromagnet realtime fast detector according to claim 1 is characterized in that described contact mechanism comprises that two ends are installed with at middle part, pedestal (1) seat chamber the contact assembly holder (21) and the one group contact assembly of a cloth on contact assembly holder (21) of front side partially.
3, multi-channel electromagnet realtime fast detector according to claim 2, it is characterized in that described one group of contact assembly has 28 at least, each contact assembly comprises pressing plate (29), contact (23), insulation orienting sleeve (27), spring (28), pressing plate (29) is fixed on the back of contact assembly holder (21), contact (23) passes the contact apertures that is preset on the contact assembly holder (21) and the contact apertures on the pressing plate (29) respectively, front end extends in outside the contact assembly holder (21), the rear end extends in outside the pressing plate (29), and be electrically connected by circuit and described control circuit board (20), insulation orienting sleeve (27), spring (28) is located at respectively on the contact (23), and is arranged in described contact apertures.
4, multi-channel electromagnet realtime fast detector according to claim 3 is characterized in that constituting between described contact (23) and the contact assembly holder (21) insulation.
5, multi-channel electromagnet realtime fast detector according to claim 1, it is characterized in that described tested electromagnet detent mechanism comprises vertical, horizontal locating piece (30,22), longitudinal register piece (30) is L-shaped, be fixed on the accent place at the middle part, seat chamber of pedestal (1), parallel with the contact assembly holder (21) of contact mechanism, located lateral piece (22) be located at pedestal (1) and contact mechanism contact assembly holder (21) both appoint and select on the one, and the time should hold in one of longitudinal register piece (30).
6, multi-channel electromagnet realtime fast detector according to claim 1, it is characterized in that described probe travel mechanism comprises stepper motor (36), main, driven pulley (35,16), driving-belt (34), a pair of guide pole parallel to each other (2,32), detecting head holder (15), stepper motor (36) is installed in one of the seat chamber of pedestal (1) end, be electrically connected with control circuit board (20), driving pulley (35) is located at the output shaft axle head of stepper motor (36), driven pulley (16) is located at the other end of pedestal (1), driving-belt (34) is nested with the master respectively, driven pulley (35,16) on, and a pair of leather belt head (31 of this driving-belt (34), 11) fix with detecting head holder (15), a pair of guide pole (2,32) two ends are supported on respectively on the wallboard at seat chamber middle part of pedestal (1), detecting head holder (a 15) left side, the sliding guide pole (2 that fits over with moving right, 32) on.
7, multi-channel electromagnet realtime fast detector according to claim 1, it is characterized in that described probe travel mechanism comprises stepper motor (36), motor gear (38), screw mandrel (39), the guide pole (32) parallel with screw mandrel (39), screw gear (40), stepper motor (36) is installed in one of the seat chamber of pedestal (1) end, motor gear (38) is installed in the output shaft axle head of stepper motor (36), the two ends hub setting of screw mandrel (39) is on the wallboard at the middle part, seat chamber of pedestal (1), the two ends of guide pole (32) are fixed on the wallboard at seat chamber middle part of pedestal (1), screw gear (40) is fixed on an end end of screw mandrel (39), be meshed with motor gear (38), by screw mandrel (39), guide pole (32) is gone up a left side for detecting head holder (15) at screw mandrel (39) and guide pole (32), move right.
8, multi-channel electromagnet realtime fast detector according to claim 6 is characterized in that described driving-belt (34) is for being with synchronously.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2006100382158A CN100487478C (en) | 2006-02-10 | 2006-02-10 | Multi-channel electromagnet realtime fast detector |
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| CNB2006100382158A CN100487478C (en) | 2006-02-10 | 2006-02-10 | Multi-channel electromagnet realtime fast detector |
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| CN100487478C true CN100487478C (en) | 2009-05-13 |
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| 多通道金属磁记忆数据分析处理系统. 林俊明，余兴增，林春景，林发炳，沈功田，李邦宪，刘三江.无损检测，第24卷第11期. 2002 * |
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