CN103094964A - Ad-hoc network battery monitoring micro unit - Google Patents
Ad-hoc network battery monitoring micro unit Download PDFInfo
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- CN103094964A CN103094964A CN2013100382285A CN201310038228A CN103094964A CN 103094964 A CN103094964 A CN 103094964A CN 2013100382285 A CN2013100382285 A CN 2013100382285A CN 201310038228 A CN201310038228 A CN 201310038228A CN 103094964 A CN103094964 A CN 103094964A
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Abstract
The invention discloses an ad-hoc network battery monitoring micro unit which comprises a digital micro processing module, a power module, a battery signal collection module, a signal receiving module and a signal sending module, wherein the power module, the battery signal collection module, the signal receiving module and the signal sending module are connected with the digital micro processing module; and the battery signal collection module is connected with the power module. According to the micro unit, independent sampling is carried out on each battery in serial connection with a battery pack, signals are gradually downloaded according to changes of voltage of the batteries, and the micro unit achieves data processing and storage for various battery states locally and responds to control and command signals transmitted by a control unit through a data link.
Description
Technical field
The present invention relates to the battery cell monitoring field, specifically a kind of MANET battery cell monitoring micro unit.
Background technology
The parameters such as the voltage of battery itself, temperature have reflected the residing state of battery, are balanced important evidence between battery pack convert charging stage, complete charge, calculating endurance and judgement monoblock battery.Therefore, the parameter of every battery accurately to be detected, correctly used and control be extending battery life, ensure to use safety heavy means.
At present sampling and the management for multistage battery system mostly is to concentrate local sampling, bus connecting mode, and this connected mode makes that the interference between signal is large, sampling is incorrect, and wiring complicated, high voltage short circuit danger arranged; Though the local sampling system of intelligent battery is arranged at present, and have external bus connection port, they do not possess the signal transfer functions that same port is fit to varying level, so do not realize the serial cascade transfer of data between battery.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of MANET battery cell monitoring micro unit, single battery to the series connected battery group carries out independent sample, and signal automatically changes according to cell voltage and passes down step by step, and has realized data processing and storage and control and the command signal of response control unit by the data link transmission of local various battery statuss.
Technical scheme of the present invention is:
MANET battery cell monitoring micro unit includes digital micro treatment module, and the power module that is connected with digital micro treatment module respectively, battery signal acquisition module, signal receiving module and signal transmitting module; And described battery signal acquisition module is connected with power module.
Described battery signal acquisition module includes temperature collect module, voltage acquisition module and collection expansion interface.
Described signal receiving module is comprised of acknowledge(ment) signal terminal, NPN triode, resistance R 1 and resistance R 2, described acknowledge(ment) signal terminal is connected with the base stage of NPN triode by resistance R 1, the grounded emitter of NPN triode, the collector electrode of NPN triode is connected with the signal input part of digital micro treatment module, and the signal input part of digital micro treatment module is connected with power supply by resistance R 2; Described signal transmitting module sends terminal, PNP triode, resistance R 3, resistance R 4 and resistance R 5 by digital signal and forms, the signal output part of described digital micro treatment module is connected with the base stage of PNP triode by resistance R 3, the collector electrode of PNP triode is by resistance R 5 and digital signal transmitting terminal sub-connection, the emitter of PNP triode is connected with power supply, and the signal output part of digital micro treatment module is connected with power supply by resistance R 3, resistance R 4 successively.
Described signal receiving module is comprised of acknowledge(ment) signal terminal, N-type MOSFET pipe, resistance R 1, resistance R 2 and resistance R 0, described acknowledge(ment) signal terminal is connected with the gate pole of N-type MOSFET pipe by resistance R 1, the source ground of N-type MOSFET pipe, the drain electrode of N-type MOSFET pipe is connected with the signal input part of digital micro treatment module, and the signal input part of digital micro treatment module is connected with power supply by resistance R 2, is connected with resistance R 0 between the gate pole of N-type MOSFET pipe and source electrode; Described signal transmitting module sends terminal, P type MOSFET pipe, resistance R 3, resistance R 4 and resistance R 5 by digital signal and forms, the signal output part of described digital micro treatment module is connected with the gate pole of P type MOSFET pipe by resistance R 3, the source electrode of P type MOSFET pipe is by resistance R 5 and digital signal transmitting terminal sub-connection, the drain electrode of P type MOSFET pipe is connected with power supply, and the signal output part of digital micro treatment module is connected with power supply by resistance R 3, resistance R 4 successively.
Described signal receiving module is comprised of acknowledge(ment) signal terminal, NPN triode, diode, resistance R 6 and resistance R 7, described acknowledge(ment) signal terminal is connected by the emitter of diode with the NPN triode, the collector electrode of NPN triode is connected with the signal input part of digital micro treatment module, the base stage of NPN triode is connected with power supply by resistance R 6, and the signal input part of described digital micro treatment module is connected with power supply by resistance R 7; Described signal transmitting module is comprised of digital signal transmission terminal, NPN triode, resistance R 8, the signal output part of described digital micro treatment module is connected with the base stage of NPN triode by resistance R 8, the grounded emitter of NPN triode, the collector electrode of NPN triode and digital signal transmitting terminal sub-connection.
Described signal receiving module is comprised of acknowledge(ment) signal terminal, N-type MOSFET pipe, diode, resistance R 6 and resistance R 7, described acknowledge(ment) signal terminal is connected by the source electrode of diode with N-type MOSFET pipe, the drain electrode of N-type MOSFET pipe is connected with the signal input part of digital micro treatment module, the gate pole of N-type MOSFET pipe is connected with power supply by resistance R 6, and the signal input part of described digital micro treatment module is connected with power supply by resistance R 7; Described signal transmitting module sends terminal, P type MOSFET pipe and resistance R 8 by digital signal and forms, the signal output part of described digital micro treatment module is connected with the gate pole of P type MOSFET pipe by resistance R 8, the source ground of P type MOSFET pipe, the drain electrode of P type MOSFET pipe and digital signal transmitting terminal sub-connection.
Described signal receiving module is comprised of acknowledge(ment) signal terminal, resistance R 9, resistance R 10, the first diode and the second diode, described acknowledge(ment) signal terminal is connected with the signal input part of digital micro treatment module by resistance R 9, and the acknowledge(ment) signal terminal is successively by resistance R 9, resistance R 10 ground connection, the signal input part of described digital micro treatment module is connected with power supply by the first diode, and the signal input part of described digital micro treatment module is by the second diode ground connection.
The front end of the signal input part of described digital micro treatment module is connected with the logic isolation circuit, the acknowledge(ment) signal terminal is connected with the signal input part of digital micro treatment module by resistance R 9, logic isolation circuit successively, the signal input part of described digital micro treatment module is connected with power supply by logic isolation circuit, the first diode successively, and the signal input part of described digital micro treatment module is successively by logic isolation circuit, the second diode ground connection.
Described MANET battery cell monitoring micro unit also includes battery balanced module; Described battery balanced module includes equalizing resistance and equalizer switch, and an end of described equalizing resistance is connected with digital micro treatment module by equalizer switch, and the other end of equalizing resistance also is connected with digital micro treatment module.
Described digital micro treatment module includes microprocessor, the memory that is connected with microprocessor respectively and A/D modular converter; Described battery signal acquisition module is connected with the A/D modular converter.
Advantage of the present invention:
(1), the present invention can carry out independent sample to the single battery of series connected battery group, sampled data is independent of each other, the sampled value precision is high;
(2), a plurality of MANET battery cell monitoring micro unit can be linked in sequence and form MANET battery monitor system MANET battery monitor system, connecting line is short out, without intersecting, can not bring the danger that brings because of friction short circuit or wiring short circuit between circuit;
(3), the present invention can receive and carry out the command information that other system sends, and can will pass under this command information, realized data calculating and storage and control and the command signal of response control unit by the data link transmission of local various battery statuss;
(4) in the MANET battery monitor system that is connected in series by a plurality of MANET battery cell monitoring micro units, the voltage difference between the arbitrary battery cell monitoring micro unit all voltage difference of coupled local battery is suitable, has guaranteed the safety of supervisory control system.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the structural representation of the MANET battery monitor system that forms of the present invention.
Fig. 3 is the structural representation of the embodiment of the present invention 1.
Fig. 4 is the structural representation of the embodiment of the present invention 2.
Fig. 5 is the structural representation of the embodiment of the present invention 3.
Fig. 6 is the structural representation of the embodiment of the present invention 4.
Fig. 7 is the structural representation of the embodiment of the present invention 5.
Fig. 8 is the balanced principle schematic of controlling of the battery balanced module of the present invention.
Embodiment
See Fig. 1, MANET battery cell monitoring micro unit includes digital micro treatment module 1, and the power module 2, battery signal acquisition module, signal receiving module 4, signal transmitting module 5 and the battery balanced module 6 that are connected with digital micro treatment module 1 respectively; The battery signal acquisition module includes temperature collect module 301, voltage acquisition module 302 and gathers expansion interface 303, and digital micro treatment module 1 includes microprocessor 101, the memory 102 that is connected with microprocessor 101 respectively and A/D modular converter 103; And temperature collect module 301, voltage acquisition module 302 and be connected expansion interface 303 and be connected with power module 2, A/D modular converter 103 respectively.
see Fig. 2, when the present invention installs, three power modules 2 are connected in battery pack on three monocells, the signal receiving module 4 of first MANET battery BAT1 monitoring micro unit is connected with the output of external cell management system 7, the signal transmitting module 5 of first MANET battery BAT1 monitoring micro unit is connected with the signal receiving module 4 of second MANET battery BAT2 monitoring micro unit, the signal transmitting module 5 of second MANET battery BAT2 monitoring micro unit is connected with the signal receiving module 4 of the 3rd MANET battery BAT3 monitoring micro unit, the signal transmitting module 5 of the 3rd MANET battery BAT3 monitoring micro unit is connected with the input of external cell management system 7.
See Fig. 8, battery balanced module 6 includes equalizing resistance RL and equalizer switch 601, and the end of equalizing resistance RL is connected with digital micro treatment module 1 by equalizer switch 601, and the other end of equalizing resistance RL also is connected with digital micro treatment module 1.
The balanced operation principle of controlling of battery balanced module 6:
When MANET battery cell monitoring micro unit receives the equalization information of external cell management system 7, the equalizer switch 601 that numeral micro treatment module 1 is controlled battery balanced module 6 makes it closed, equalizing resistance RL is in parallel with this section monocell BAT2, charging current partly flows through equalizing resistance RL, and the charging current of this section monocell BAT2 is reduced; When MANET battery cell monitoring micro unit receives when closing balanced instruction, digital micro treatment module 1 disconnects equalizer switch 601, and equalization function is cancelled.
The microprocessor 101 of numeral micro treatment module 1 can be by battery voltage information, temperature information and the out of Memory of sampling, then the upper level information (charging current information or discharging current information) that receives of signal receiving module 4 raw information that adds memory 102 storages adds the error correction correcting code, and microprocessor 101 is processed the state information that obtains current battery by analysis.
See Fig. 3, MANET battery cell monitoring micro unit includes digital micro treatment module 1, and the power module 2, battery signal acquisition module, signal receiving module 4, signal transmitting module 5 and the battery balanced module 6 that are connected with digital micro treatment module 1 respectively; The battery signal acquisition module includes temperature collect module 301, voltage acquisition module 302 and gathers expansion interface 303, and digital micro treatment module 1 includes microprocessor 101, the memory 102 that is connected with microprocessor 101 respectively and A/D modular converter 103; And temperature collect module 301, voltage acquisition module 302 and be connected expansion interface 303 and be connected with power module 2, A/D modular converter 103 respectively; Wherein, signal receiving module 4 is comprised of acknowledge(ment) signal terminal 401, NPN triode Q1, resistance R 1 and resistance R 2, acknowledge(ment) signal terminal 401 is connected with the base stage of NPN triode Q1 by resistance R 1, the grounded emitter of NPN triode Q1, the collector electrode of NPN triode Q1 is connected with the signal input part B1 of digital micro treatment module 1, and the signal input part B1 of digital micro treatment module 1 is connected with power supply VCC by resistance R 2; Signal transmitting module 5 sends terminal 501, PNP triode Q2, resistance R 3, resistance R 4 and resistance R 5 by digital signal and forms, the signal output part B2 of numeral micro treatment module 1 is connected with the base stage of PNP triode Q2 by resistance R 3, the collector electrode of PNP triode Q2 sends terminal 501 by resistance R 5 and digital signal and is connected, the emitter of PNP triode Q2 is connected with power supply VCC, and the signal output part B2 of digital micro treatment module 1 is connected with power supply VCC by resistance R 3, resistance R 4 successively.
The operation principle of MANET battery cell monitoring micro unit:
(1), the dormancy condition: when battery not charging or band carry, battery remains static, and during less than certain value, has both satisfied the dormancy condition when continuous voltage or temperature sampling conversion; Wake-up condition: when signal receiving module 4 has signal intensity, when the variation of cell voltage or temperature surpasses certain amplitude within a certain period of time, all satisfy wake-up condition, program also can arrange the timing wake-up of MANET battery cell monitoring micro unit when dormancy;
(2), digital micro treatment module 1 receives signals by signal receiving module 4: when the signal of accepting when the acknowledge(ment) signal terminal 401 of signal receiving module 4 is high level (1.5-16V), NPN triode Q1 saturation conduction, the signal input part B1 of numeral micro treatment module is low level, and digital micro treatment module is defined as the logical one signal to the low level of signal input part B1; When the signal of accepting when the acknowledge(ment) signal terminal 401 of signal receiving module 4 is low level (0-0.3V), NPN triode Q1 cut-off, the signal input part B1 of numeral micro treatment module 1 is high level, and digital micro treatment module 1 is defined as the logical zero signal to the high level of signal input part B1;
(3), digital micro treatment module 1 passes through signal transmitting module 5 transmitted signals: when digital micro treatment module 1 transmission digital signal is " 1 ", the signal output part B2 of numeral micro treatment module 1 is low level, PNP triode Q2 is in conducting state, and the input voltage of the input induction of subordinate's MANET battery cell monitoring micro unit is high level; When digital micro treatment module 1 transmission digital signal is " 0 ", the signal output part B2 of numeral micro treatment module 1 is high level, PNP triode Q2 is in cut-off state, the stream that conducts electricity under PNP triode Q2 this moment only has leakage current, and the input voltage of the input induction of subordinate's MANET battery cell monitoring micro unit is low level;
When MANET battery cell monitoring micro unit serial cascade, the Digital Logic of transmission is consistent at acknowledge(ment) signal terminal 401 and the digital signal transmission terminal 501 of MANET battery cell monitoring micro unit.
See Fig. 4, MANET battery cell monitoring micro unit includes digital micro treatment module 1, and the power module 2, battery signal acquisition module, signal receiving module 4, signal transmitting module 5 and the battery balanced module 6 that are connected with digital micro treatment module 1 respectively; The battery signal acquisition module includes temperature collect module 301, voltage acquisition module 302 and gathers expansion interface 303, and digital micro treatment module 1 includes microprocessor 101, the memory 102 that is connected with microprocessor 101 respectively and A/D modular converter 103; And temperature collect module 301, voltage acquisition module 302 and be connected expansion interface 303 and be connected with power module 2, A/D modular converter 103 respectively; Wherein, signal receiving module 4 is comprised of acknowledge(ment) signal terminal 401, N-type MOSFET pipe Q1, resistance R 1, resistance R 2 and resistance R 0, acknowledge(ment) signal terminal 401 is connected by the gate pole of resistance R 1 with N-type MOSFET pipe Q1, the source ground of N-type MOSFET pipe Q1, the drain electrode of N-type MOSFET pipe Q1 is connected with the signal input part B1 of digital micro treatment module 1, and the signal input part B1 of digital micro treatment module 1 is connected with power supply VCC by resistance R 2, is connected with resistance R 0 between the gate pole of N-type MOSFET pipe Q1 and source electrode; Signal transmitting module 5 sends terminal 501, P type MOSFET pipe Q2, resistance R 3, resistance R 4 and resistance R 5 by digital signal and forms, the signal output part B2 of numeral micro treatment module 1 is connected by the gate pole of resistance R 3 with P type MOSFET pipe Q2, the source electrode of P type MOSFET pipe Q2 sends terminal 501 by resistance R 5 and digital signal and is connected, the drain electrode of P type MOSFET pipe Q2 is connected with power supply VCC, and the signal output part B2 of digital micro treatment module 1 is connected with power supply VCC by resistance R 3, resistance R 4 successively.
The operation principle of MANET battery cell monitoring micro unit:
(1), the dormancy condition: when battery not charging or band carry, battery remains static, and during less than certain value, has both satisfied the dormancy condition when continuous voltage or temperature sampling conversion; Wake-up condition: when signal receiving module 4 has signal intensity, when the variation of cell voltage or temperature surpasses certain amplitude within a certain period of time, all satisfy wake-up condition, program also can arrange the timing wake-up of MANET battery cell monitoring micro unit when dormancy;
(2), digital micro treatment module 1 receives signals by signal receiving module 4: when the signal of accepting when the acknowledge(ment) signal terminal 401 of signal receiving module 4 is high level (1.5-16V), N-type MOSFET pipe Q1 saturation conduction, the signal input part B1 of numeral micro treatment module is low level, and digital micro treatment module is defined as the logical one signal to the low level of signal input part B1; When the signal of accepting when the acknowledge(ment) signal terminal 401 of signal receiving module 4 is low level (0-0.3V), N-type MOSFET pipe Q1 cut-off, the signal input part B1 of numeral micro treatment module 1 is high level, and digital micro treatment module 1 is defined as the logical zero signal to the high level of signal input part B1;
(3), digital micro treatment module 1 passes through signal transmitting module 5 transmitted signals: when digital micro treatment module 1 transmission digital signal is " 1 ", the signal output part B2 of numeral micro treatment module 1 is low level, P type MOSFET pipe Q2 is in conducting state, and the input voltage of the input induction of subordinate's MANET battery cell monitoring micro unit is high level; When digital micro treatment module 1 transmission digital signal is " 0 ", the signal output part B2 of numeral micro treatment module 1 is high level, P type MOSFET pipe Q2 is in cut-off state, the stream that conducts electricity under P type MOSFET pipe Q2 this moment only has leakage current, and the input voltage of the input induction of subordinate's MANET battery cell monitoring micro unit is low level;
When MANET battery cell monitoring micro unit serial cascade, the Digital Logic of transmission is consistent at acknowledge(ment) signal terminal 401 and the digital signal transmission terminal 501 of MANET battery cell monitoring micro unit.
Embodiment 3
See Fig. 5, MANET battery cell monitoring micro unit includes digital micro treatment module 1, and the power module 2, battery signal acquisition module, signal receiving module 4, signal transmitting module 5 and the battery balanced module 6 that are connected with digital micro treatment module 1 respectively; The battery signal acquisition module includes temperature collect module 301, voltage acquisition module 302 and gathers expansion interface 303, and digital micro treatment module 1 includes microprocessor 101, the memory 102 that is connected with microprocessor 101 respectively and A/D modular converter 103; And temperature collect module 301, voltage acquisition module 302 and be connected expansion interface 303 and be connected with power module 2, A/D modular converter 103 respectively; Wherein, signal receiving module 4 is comprised of acknowledge(ment) signal terminal 401, NPN triode Q1, diode D1, resistance R 6 and resistance R 7, acknowledge(ment) signal terminal 401 is connected with the emitter of NPN triode Q1 by diode D1, the collector electrode of NPN triode Q1 is connected with the signal input part B1 of digital micro treatment module 1, the base stage of NPN triode Q1 is connected with power supply VCC by resistance R 6, and the signal input part B1 of digital micro treatment module 1 is connected with power supply VCC by resistance R 7; Signal transmitting module 5 is comprised of digital signal transmission terminal 501, NPN triode Q2, resistance R 8, the signal output part B2 of numeral micro treatment module 1 is connected with the base stage of NPN triode Q2 by resistance R 8, the grounded emitter of NPN triode Q2, the collector electrode of NPN triode Q2 send terminal 501 with digital signal and are connected.
The operation principle of MANET battery cell monitoring micro unit:
(1), the dormancy condition: when battery not charging or band carry, battery remains static, and during less than certain value, has both satisfied the dormancy condition when continuous voltage or temperature sampling conversion; Wake-up condition: when signal receiving module 4 has signal intensity, when the variation of cell voltage or temperature surpasses certain amplitude within a certain period of time, all satisfy wake-up condition, program also can arrange the timing wake-up of MANET battery cell monitoring micro unit when dormancy;
(2), digital micro treatment module 1 receives signals by signal receiving module 4: when the signal of accepting when the acknowledge(ment) signal terminal of signal receiving module 4 is high level, NPN triode Q1 cut-off, the signal input part B1 of numeral micro treatment module 1 is high level, and digital micro treatment module 1 is defined as the logical one signal to high level; When the signal of accepting when the acknowledge(ment) signal terminal of signal receiving module 4 is low level, NPN triode Q1 conducting, the signal input part B1 of digital micro treatment module 1 is low level, digital micro treatment module 1 is defined as the logical zero signal to low level;
(3), digital micro treatment module 1 passes through signal transmitting module 5 transmitted signals: when digital micro treatment module 1 transmission digital signal is " 1 ", the signal output part B2 of numeral micro treatment module 1 is low level, NPN triode Q2 is in cut-off state, and the NPN triode Q1 input of higher level's MANET battery cell monitoring micro unit is cut-off state; When digital micro treatment module 1 transmission digital signal is " 0 ", the signal output part B2 of numeral micro treatment module 1 is high level, NPN triode Q2 is in the saturation conduction state, and the NPN triode Q1 input of higher level's MANET battery cell monitoring micro unit is the low level conducting state;
When MANET battery cell monitoring micro unit serial cascade, the signal input part B1 logic of digital micro treatment module 1 and signal output part B2 logic just can make the Digital Logic of transmission be consistent at acknowledge(ment) signal terminal 401 and the digital signal transmission terminal 501 of MANET battery cell monitoring micro unit by above-mentioned logical definition.
See Fig. 6, MANET battery cell monitoring micro unit includes digital micro treatment module 1, and the power module 2, battery signal acquisition module, signal receiving module 4, signal transmitting module 5 and the battery balanced module 6 that are connected with digital micro treatment module 1 respectively; The battery signal acquisition module includes temperature collect module 301, voltage acquisition module 302 and gathers expansion interface 303, and digital micro treatment module 1 includes microprocessor 101, the memory 102 that is connected with microprocessor 101 respectively and A/D modular converter 103; And temperature collect module 301, voltage acquisition module 302 and be connected expansion interface 303 and be connected with power module 2, A/D modular converter 103 respectively; Wherein, signal receiving module 4 is comprised of acknowledge(ment) signal terminal 401, N-type MOSFET pipe Q1, diode D1, resistance R 6 and resistance R 7, acknowledge(ment) signal terminal 401 is connected with the source electrode of N-type MOSFET pipe Q1 by diode D1, the drain electrode of N-type MOSFET pipe Q1 is connected with the signal input part B1 of digital micro treatment module 1, the gate pole of N-type MOSFET pipe Q1 is connected with power supply VCC by resistance R 6, and the signal input part B1 of digital micro treatment module 1 is connected with power supply VCC by resistance R 7; Signal transmitting module 5 sends terminal 501, P type MOSFET pipe Q2 and resistance R 8 by digital signal and forms, the signal output part B2 of numeral micro treatment module 1 is connected by the gate pole of resistance R 8 with P type MOSFET pipe Q2, the source ground of P type MOSFET pipe Q2, the drain electrode of P type MOSFET pipe Q2 sends terminal 501 with digital signal and is connected.
The operation principle of MANET battery cell monitoring micro unit:
(1), the dormancy condition: when battery not charging or band carry, battery remains static, and during less than certain value, has both satisfied the dormancy condition when continuous voltage or temperature sampling conversion; Wake-up condition: when signal receiving module 4 has signal intensity, when the variation of cell voltage or temperature surpasses certain amplitude within a certain period of time, all satisfy wake-up condition, program also can arrange the timing wake-up of MANET battery cell monitoring micro unit when dormancy;
(2), digital micro treatment module 1 receives signals by signal receiving module 4: when the signal of accepting when the acknowledge(ment) signal terminal 401 of signal receiving module 4 is high level, N-type MOSFET pipe Q1 cut-off, the signal input part B1 of numeral micro treatment module 1 is high level, and digital micro treatment module 1 is defined as the logical one signal to high level; When the signal of accepting when the acknowledge(ment) signal terminal of signal receiving module 4 is low level, N-type MOSFET pipe Q1 conducting, the signal input part B1 of digital micro treatment module 1 is low level, digital micro treatment module 1 is defined as the logical zero signal to low level;
(3), digital micro treatment module 1 passes through signal transmitting module 5 transmitted signals: when digital micro treatment module 1 transmission digital signal is " 1 ", the signal output part B2 of numeral micro treatment module 1 is low level, P type MOSFET pipe Q2 is in cut-off state, and the N-type MOSFET pipe Q1 input of higher level's MANET battery cell monitoring micro unit is cut-off state; When digital micro treatment module 1 transmission digital signal is " 0 ", the signal output part B2 of numeral micro treatment module 1 is high level, P type MOSFET pipe Q2 is in the saturation conduction state, and the N-type MOSFET pipe Q1 input of higher level's MANET battery cell monitoring micro unit is the low level conducting state;
When MANET battery cell monitoring micro unit serial cascade, the signal input part B1 logic of digital micro treatment module 1 and signal output part B2 logic just can make the Digital Logic of transmission be consistent at acknowledge(ment) signal terminal 401 and the digital signal transmission terminal 501 of MANET battery cell monitoring micro unit by above-mentioned logical definition.
see Fig. 7, MANET battery cell monitoring micro unit includes digital micro treatment module 1, and the power module 2, battery signal acquisition module, signal receiving module 4, signal transmitting module 5 and the battery balanced module 6 that are connected with digital micro treatment module 1 respectively, the battery signal acquisition module includes temperature collect module 301, voltage acquisition module 302 and gathers expansion interface 303, and digital micro treatment module 1 includes microprocessor 101, the memory 102 that is connected with microprocessor 101 respectively and A/D modular converter 103, and temperature collect module 301, voltage acquisition module 302 and be connected expansion interface 303 and be connected with power module 2, A/D modular converter 103 respectively, wherein, signal receiving module 4 is by acknowledge(ment) signal terminal 401, resistance R 9, resistance R 10, the first diode D1, the second diode D2 and logic isolation circuit 402 form, acknowledge(ment) signal terminal 401 is successively by resistance R 9, logic isolation circuit 402 is connected with the signal input part B1 of digital micro treatment module 1, and acknowledge(ment) signal terminal 401 is successively by resistance R 9, resistance R 10 ground connection, the signal input part B1 of numeral micro treatment module 1 is successively by logic isolation circuit 402, the first diode D1 is connected with power supply VCC, the signal input part B1 of numeral micro treatment module 1 is successively by logic isolation circuit 402, the second diode D2 ground connection, the signal output part B2 of numeral micro treatment module 1 sends terminal 501 by signal transmitting module 5 and digital signal and is connected.
The operation principle of MANET battery cell monitoring micro unit:
(1), the dormancy condition: when battery not charging or band carry, battery remains static, and during less than certain value, has both satisfied the dormancy condition when continuous voltage or temperature sampling conversion; Wake-up condition: when signal receiving module 4 has signal intensity, when the variation of cell voltage or temperature surpasses certain amplitude within a certain period of time, all satisfy wake-up condition, program also can arrange the timing wake-up of MANET battery cell monitoring micro unit when dormancy;
(2), digital micro treatment module 1 receives signal by signal receiving module 4: when the signal that the acknowledge(ment) signal terminal 401 of signal receiving module 4 is accepted is high level, signal is through resistance R 9 current limlitings, through the first diode D1 clamper, the signal level of signal arrival B1 end is up to the forward voltage drop that power supply VCC voltage adds the first diode D1, this signal satisfies the level requirement that micro treatment module receives after 402 isolation of logic isolation circuit, digital micro treatment module 1 is defined as the logical one signal to high level; Equally, when the signal of accepting when the acknowledge(ment) signal terminal 401 of signal receiving module 4 is low level, signal is through input resistance R9 current limliting, after the second diode D2 clamper, its level is the forward voltage drop that 0V deducts the second diode D2, this signal satisfies the level requirement that micro treatment module receives after 402 isolation of logic isolation circuit, digital micro treatment module 1 is defined as the logical zero signal to low level;
(3), digital micro treatment module 1 is by signal transmitting module 5 transmitted signals.
Claims (10)
1. MANET battery cell monitoring micro unit is characterized in that: include digital micro treatment module, and the power module that is connected with digital micro treatment module respectively, battery signal acquisition module, signal receiving module and signal transmitting module; And described battery signal acquisition module is connected with power module.
2. MANET battery cell monitoring micro unit according to claim 1, it is characterized in that: described battery signal acquisition module includes temperature collect module, voltage acquisition module and collection expansion interface.
3. MANET battery cell monitoring micro unit according to claim 1, it is characterized in that: described signal receiving module is comprised of acknowledge(ment) signal terminal, NPN triode, resistance R 1 and resistance R 2, described acknowledge(ment) signal terminal is connected with the base stage of NPN triode by resistance R 1, the grounded emitter of NPN triode, the collector electrode of NPN triode is connected with the signal input part of digital micro treatment module, and the signal input part of digital micro treatment module is connected with power supply by resistance R 2; Described signal transmitting module sends terminal, PNP triode, resistance R 3, resistance R 4 and resistance R 5 by digital signal and forms, the signal output part of described digital micro treatment module is connected with the base stage of PNP triode by resistance R 3, the collector electrode of PNP triode is by resistance R 5 and digital signal transmitting terminal sub-connection, the emitter of PNP triode is connected with power supply, and the signal output part of digital micro treatment module is connected with power supply by resistance R 3, resistance R 4 successively.
4. MANET battery cell monitoring micro unit according to claim 1, it is characterized in that: described signal receiving module is by the acknowledge(ment) signal terminal, N-type MOSFET pipe, resistance R 1, resistance R 2 and resistance R 0 form, described acknowledge(ment) signal terminal is connected with the gate pole of N-type MOSFET pipe by resistance R 1, the source ground of N-type MOSFET pipe, the drain electrode of N-type MOSFET pipe is connected with the signal input part of digital micro treatment module, and the signal input part of digital micro treatment module is connected with power supply by resistance R 2, be connected with resistance R 0 between the gate pole of N-type MOSFET pipe and source electrode, described signal transmitting module sends terminal, P type MOSFET pipe, resistance R 3, resistance R 4 and resistance R 5 by digital signal and forms, the signal output part of described digital micro treatment module is connected with the gate pole of P type MOSFET pipe by resistance R 3, the source electrode of P type MOSFET pipe is by resistance R 5 and digital signal transmitting terminal sub-connection, the drain electrode of P type MOSFET pipe is connected with power supply, and the signal output part of digital micro treatment module is connected with power supply by resistance R 3, resistance R 4 successively.
5. MANET battery cell monitoring micro unit according to claim 1, it is characterized in that: described signal receiving module is comprised of acknowledge(ment) signal terminal, NPN triode, diode, resistance R 6 and resistance R 7, described acknowledge(ment) signal terminal is connected by the emitter of diode with the NPN triode, the collector electrode of NPN triode is connected with the signal input part of digital micro treatment module, the base stage of NPN triode is connected with power supply by resistance R 6, and the signal input part of described digital micro treatment module is connected with power supply by resistance R 7; Described signal transmitting module is comprised of digital signal transmission terminal, NPN triode, resistance R 8, the signal output part of described digital micro treatment module is connected with the base stage of NPN triode by resistance R 8, the grounded emitter of NPN triode, the collector electrode of NPN triode and digital signal transmitting terminal sub-connection.
6. MANET battery cell monitoring micro unit according to claim 1, it is characterized in that: described signal receiving module is comprised of acknowledge(ment) signal terminal, N-type MOSFET pipe, diode, resistance R 6 and resistance R 7, described acknowledge(ment) signal terminal is connected by the source electrode of diode with N-type MOSFET pipe, the drain electrode of N-type MOSFET pipe is connected with the signal input part of digital micro treatment module, the gate pole of N-type MOSFET pipe is connected with power supply by resistance R 6, and the signal input part of described digital micro treatment module is connected with power supply by resistance R 7; Described signal transmitting module sends terminal, P type MOSFET pipe and resistance R 8 by digital signal and forms, the signal output part of described digital micro treatment module is connected with the gate pole of P type MOSFET pipe by resistance R 8, the source ground of P type MOSFET pipe, the drain electrode of P type MOSFET pipe and digital signal transmitting terminal sub-connection.
7. MANET battery cell monitoring micro unit according to claim 1, it is characterized in that: described signal receiving module is by the acknowledge(ment) signal terminal, resistance R 9, resistance R 10, the first diode and the second diode form, described acknowledge(ment) signal terminal is connected with the signal input part of digital micro treatment module by resistance R 9, and the acknowledge(ment) signal terminal is successively by resistance R 9, resistance R 10 ground connection, the signal input part of described digital micro treatment module is connected with power supply by the first diode, the signal input part of described digital micro treatment module is by the second diode ground connection.
8. MANET battery cell monitoring micro unit according to claim 7, it is characterized in that: the front end of the signal input part of described digital micro treatment module is connected with the logic isolation circuit, the acknowledge(ment) signal terminal is connected with the signal input part of digital micro treatment module by resistance R 9, logic isolation circuit successively, the signal input part of described digital micro treatment module is connected with power supply by logic isolation circuit, the first diode successively, and the signal input part of described digital micro treatment module is successively by logic isolation circuit, the second diode ground connection.
9. MANET battery cell monitoring micro unit according to claim 1, it is characterized in that: described MANET battery cell monitoring micro unit also includes battery balanced module; Described battery balanced module includes equalizing resistance and equalizer switch, and an end of described equalizing resistance is connected with digital micro treatment module by equalizer switch, and the other end of equalizing resistance also is connected with digital micro treatment module.
10. MANET battery cell monitoring micro unit according to claim 1, it is characterized in that: described digital micro treatment module includes microprocessor, the memory that is connected with microprocessor respectively and A/D modular converter; Described battery signal acquisition module is connected with the A/D modular converter.
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Application publication date: 20130508 |