CN102590758B - High-voltage battery pack test system - Google Patents
High-voltage battery pack test system Download PDFInfo
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- CN102590758B CN102590758B CN201210037784.6A CN201210037784A CN102590758B CN 102590758 B CN102590758 B CN 102590758B CN 201210037784 A CN201210037784 A CN 201210037784A CN 102590758 B CN102590758 B CN 102590758B
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Abstract
The invention discloses a high-voltage battery pack test system, which comprises a central processing unit (CPU) module, a discharge control module, a charge control module, a discharge power circuit, a charge power circuit, a power supply and a monomer voltage acquiring module; a battery pack is connected with the CPU module through the monomer voltage acquiring module; the battery pack is connected with the discharge power circuit; the battery pack is connected with the charge power circuit; the CPU module is connected with the charge power circuit through the power supply; the discharge power circuit is connected with the discharge control module; the charge power circuit is connected with the charge control module; and the discharge control module is connected with the CPU module, and the charge control module is connected with the CPU module. The test system provided by the invention has the advantages that the system uses a singlechip as a nuclear processing element, the charge and discharge time, capacitance, energy and the like of the battery pack are calculated through acquiring the information of the monomer voltage, general voltage, temperature, charge current, discharge current and the like of the battery pack, and the data is sent to an upper computer through the Ethernet and an RS485 bus.
Description
Technical field
The present invention relates to a kind of high-voltage battery pack test system.
Background technology
The function of electric battery testing apparatus mainly carries out charge-discharge test to battery, wherein how discharge and recharge is fast and safely joint very important in test equipment designs, especially the electric battery of high-power is tested, higher to the accuracy of testing apparatus, security requirement especially.Moreover, the real-time of the transmission of electric battery test data, accuracy are also most important.Therefore, the key of high-voltage battery pack test system is charge and discharge control and communication quality.
At present, to battery carry out constant-current constant-voltage charging as conventional charging modes accept by industry, but existing constant-voltage charge implementation mainly contains two classes: software control constant voltage, hardware controls constant voltage.Software constant voltage generally carries out constant voltage by the mode of scm software process, and this mode is subject to the impact of the factors such as crystal oscillator, voltage acquisition chip, program BUG, cannot protect battery and testing apparatus timely and effectively.
Summary of the invention
Technical matters to be solved by this invention is to provide the good high-voltage battery pack test system of a kind of security.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of high-voltage battery pack test system, comprise CPU module, control of discharge module, charge control module, discharge power circuit, charge power circuit, power power-supply and monomer voltage acquisition module, electric battery is connected with described CPU module by monomer voltage acquisition module, electric battery is connected with discharge power circuit, electric battery is connected with charge power circuit, CPU module is connected with charge power circuit by power power-supply, described discharge power circuit and described control of discharge model calling, described charge power circuit is connected with described charge control module, control of discharge module is connected with CPU module, charge control module is connected with described CPU module.
Described CPU module is connected with host computer.
Described CPU module is connected with temperature collect module.
Described CPU module is connected with charge control module by charging isolating interface, described CPU module is by electric discharge isolating interface and control of discharge model calling, described CPU module is connected with power power-supply by power power-supply isolating interface, monomer voltage acquisition module is connected with CPU module by CAN transceiver, temperature collect module is connected with CPU module by described CAN transceiver, described CPU module is connected with host computer by 485 modules or ethernet controller, described CPU module is connected with real-time clock, described CPU module is connected with EEPROM, described CPU module is connected with switching input module, described CPU module is connected with gauge tap.
Described charge control module comprises charging current A/D acquisition module, charging control D/A module and charging control circuit, charge power circuit is connected with charging isolating interface by charging current A/D acquisition module, charge power circuit is connected with charging control circuit, and charging isolating interface is connected with charging control circuit by charging control D/A module.
Described control of discharge module comprises voltage A/D acquisition module, discharge current A/D acquisition module, control of discharge D/A module, charge/discharge control circuit, protection circuit; discharge power circuit is connected with electric discharge isolating interface by voltage A/D acquisition module; discharge power circuit is connected with electric discharge isolating interface by discharge current A/D acquisition module; discharge power circuit is connected with charge/discharge control circuit; discharge power circuit is connected with protection circuit, and electric discharge isolating interface is connected with charge/discharge control circuit by control of discharge D/A module.
Described charging control circuit comprises the first multiplier that model is AD834, model is first operational amplifier of OP07, model is second operational amplifier of OP07, model is the 3rd operational amplifier of OP07 and model is the four-operational amplifier of OP07, 5th pin of the first multiplier is connected with the 3rd pin of four-operational amplifier by the 20 resistance, 4th pin of the first multiplier is connected with the second pin of four-operational amplifier by the 24 resistance, 6th pin of four-operational amplifier is connected with the second pin of the 3rd operational amplifier by the 23 resistance, the second electric capacity is provided with between second pin of the 3rd operational amplifier and the 6th pin, 6th pin of the 3rd operational amplifier is connected with the negative pole of the second diode by the 9th resistance, the positive pole of the second diode connects charge power circuit, second pin of the second operational amplifier is connected with the 6th pin, 6th pin of the second operational amplifier connects charge power circuit by the 8th resistance, second pin of the first operational amplifier is connected with the 6th pin of the first operational amplifier by the first electric capacity, 6th pin of the first operational amplifier is connected with the negative pole of the first diode, the positive pole of the first diode connects charge power circuit by the 4th resistance,
Described charge/discharge control circuit comprises the second multiplier that model is AD834, model is the 5th operational amplifier of OP07, 7th operational amplifier of model to be the 6th operational amplifier of OP07 and model be OP07, 5th pin of the second multiplier is connected with the 3rd pin of the 7th operational amplifier by the 14 resistance, 4th pin of the second multiplier is connected with the second pin of the 7th operational amplifier by the 18 resistance, 6th pin of the 7th operational amplifier is connected with the second pin of the 6th operational amplifier by the 17 resistance, 6th pin of the 6th operational amplifier is connected with the negative pole of the 3rd diode by the 7th resistance, the positive pole of the 3rd diode is connected with discharge power circuit, second pin of the 5th operational amplifier is connected with the 6th pin, 6th pin of the 5th operational amplifier is connected with discharge power circuit by the 5th resistance.
Compared with prior art, the invention has the advantages that native system is take single-chip microcomputer as core processing element, by gathering the information such as monomer voltage, total voltage, temperature, charging current, discharge current of electric battery, calculate the discharge and recharge time, capacity, energy etc. of electric battery, and by Ethernet, RS485 bus, data are sent to host computer.The Monitor Computer Control System be made up of microcomputer, shows and records the test data received in real time, to data analysis, and control and measuring working state of system.In addition, according to testing requirement, host computer edits testing scheme, and download to EEPROM, single-chip microcomputer controls charge/discharge current, voltage and charge/discharge power according to testing scheme.If CPU module or data acquisition element meet accident fault when charging, charging control circuit of the present invention can ensure, after cell voltage reaches and arranges voltage, to be automatically transferred to constant-voltage charge state, the safety of guarantee battery and testing apparatus.
Accompanying drawing explanation
Fig. 1 is structured flowchart of the present invention;
Fig. 2 is the structured flowchart of CPU module of the present invention;
Fig. 3 is the structured flowchart of charge control module of the present invention;
Fig. 4 is the structured flowchart of control of discharge module of the present invention;
Fig. 5 is charging control circuit schematic diagram of the present invention;
Fig. 6 is charge/discharge control circuit schematic diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
A kind of high-voltage battery pack test system, comprise CPU module 1, control of discharge module 2, charge control module 3, discharge power circuit 4, charge power circuit 5, power power-supply 6 and monomer voltage acquisition module 7, electric battery 8 is connected with CPU module 1 by monomer voltage acquisition module 7, electric battery 8 is connected with discharge power circuit 4, electric battery 8 is connected with charge power circuit 5, CPU module 1 is connected with charge power circuit 5 by power power-supply 6, discharge power circuit 4 is connected with control of discharge module 2, charge power circuit 5 is connected with charge control module 3, control of discharge module 2 is connected with CPU module 1, charge control module 3 is connected with CPU module 1.
CPU module 1 is connected with host computer 9.
CPU module 1 is connected with temperature collect module 10.
CPU module 1 is connected with charge control module 3 by charging isolating interface 11, CPU module 1 is connected with control of discharge module 2 by electric discharge isolating interface 12, CPU module 1 is connected with power power-supply 6 by power power-supply isolating interface 13, monomer voltage acquisition module 7 is connected with CPU module 1 by CAN transceiver 14, temperature collect module 10 is connected with CPU module 1 by CAN transceiver 14, CPU module 1 is connected with host computer 9 by 485 modules 15 or ethernet controller 16, CPU module 1 is connected with real-time clock 17, CPU module 1 is connected with EEPROM18, CPU module 1 is connected with switching input module 19, CPU module 1 is connected with gauge tap 20.
Charge control module 3 comprises charging current AD acquisition module 21, charging control D/A module 22 and charging control circuit 23, charge power circuit 5 is connected with charging isolating interface 11 by charging current AD acquisition module 21, charge power circuit 5 is connected with charging control circuit 23, and charging isolating interface 11 is connected with charging control circuit 23 by charging control D/A module 22.
Control of discharge module 2 comprises voltage A/D acquisition module 24, discharge current A/D acquisition module 25, control of discharge D/A module 26, charge/discharge control circuit 27, protection circuit 28; discharge power circuit 4 is connected with electric discharge isolating interface 12 by voltage A/D acquisition module 24; discharge power circuit 4 is connected with electric discharge isolating interface 12 by discharge current A/D acquisition module 25; discharge power circuit 4 is connected with charge/discharge control circuit 27; discharge power circuit 4 is connected with protection circuit 28, and electric discharge isolating interface 12 is connected with charge/discharge control circuit 27 by control of discharge D/A module 26.
Charging control circuit 23 comprises the first multiplier U5 that model is AD834, model is the first operational amplifier U1 of OP07, model is the second operational amplifier U2 of OP07, model is the 3rd operational amplifier U3 of OP07 and model is the four-operational amplifier U4 of OP07, 5th pin of the first multiplier U5 is connected with the 3rd pin of four-operational amplifier U4 by the 20 resistance R20, 4th pin of the first multiplier U5 is connected with second pin of four-operational amplifier U4 by the 24 resistance R21, 6th pin of four-operational amplifier U4 is connected with second pin of the 3rd operational amplifier U3 by the 23 resistance R23, the second electric capacity E2 is provided with between second pin of the 3rd operational amplifier U3 and the 6th pin, 6th pin of the 3rd operational amplifier U3 is connected with the negative pole of the second diode D2 by the 9th resistance R9, the positive pole of the second diode D2 connects charge power circuit 5, second pin of the second operational amplifier U2 is connected with the 6th pin, 6th pin of the second operational amplifier U2 connects charge power circuit 5 by the 8th resistance R8, second pin of the first operational amplifier U1 is connected with the 6th pin of the first operational amplifier U1 by the first electric capacity E1, 6th pin of the first operational amplifier U1 is connected with the negative pole of the first diode D1, the positive pole of the first diode D1 connects charge power circuit 5 by the 4th resistance R4,
Charge/discharge control circuit 27 comprises the second multiplier U4d that model is AD834, model is the 5th operational amplifier U1d of OP07, the 7th operational amplifier U3d of model to be the 6th operational amplifier U2d of OP07 and model be OP07, 5th pin of the second multiplier U4d is connected with the 3rd pin of the 7th operational amplifier U3d by the 14 resistance R14d, 4th pin of the second multiplier U4d is connected with second pin of the 7th operational amplifier U3d by the 18 resistance R18d, 6th pin of the 7th operational amplifier U3d is connected with second pin of the 6th operational amplifier U2d by the 17 resistance R17d, 6th pin of the 6th operational amplifier U2d is connected with the negative pole of the 3rd diode D1d by the 7th resistance R7d, the positive pole of the 3rd diode D1d is connected with discharge power circuit 4, second pin of the 5th operational amplifier U1d is connected with the 6th pin, 6th pin of the 5th operational amplifier U1d is connected with discharge power circuit 4 by the 5th resistance R4d.
Principle of work of the present invention:
CPU control module:
CPU control module is core processing element with single-chip microcomputer, and major function has: (1) obtains test data and carries out process calculating, test critical quantity is saved in EEPROM, and controls equipment according to result.(2) test critical quantity is uploaded to host computer to monitor in real time, and according to the instruction of host computer, equipment is controlled.
Specific implementation: single-chip microcomputer is connected by the voltage A/D acquisition module of spi bus isolating interface and control of discharge module, discharge current A/D acquisition module and control of discharge D/A module, be connected with the charging current A/D acquisition module of charge control module, control D/A module of charging by spi bus isolating interface, obtain the information such as cell voltage, charging current, discharge current of device channels, and discharge and recharge link is accurately controlled, with the current/voltage realizing specifying to battery charging and discharging.Controlled by the power power-supply of spi bus isolating interface to charging.
Connected with monomer voltage acquisition module, temperature collecting cell module by CAN, the information such as voltage, temperature of Acquisition channel single battery; By the real time clock information of I2C bus fetch equipment.The accuracy that these data control for battery charging and discharging, security are vital.
By RS485, Ethernet, the real time data in test is uploaded to host computer by CPU, and performs the various instructions that host computer issues.
3.2 charge control module
The function of charge control module: (1) gathers charging current, and by SPI, data is passed to single-chip microcomputer.(2) single-chip microcomputer controls charging D/A module by SPI, charging D/A has three tunnels, charging current D/A, charging voltage D/A, charge power D/A, respectively current setting value, the voltage setting value of constant voltage circuit, the set value of the power of invariable power circuit of corresponding constant-current circuit.(3) charging D/A, charging current and battery voltage is input to charging control circuit, and the output of charging control circuit, through relay, is connected to charge power circuit module, completes the current versus cell charging of specifying.
Charging control circuit is shown in Fig. 5, specific implementation:
Constant-current charge control circuit is the voltage follower circuit be made up of operational amplifier U2, and the input of U2 is monolithic processor controlled charging current D/A signal, and the output of U2 is connected to public output through resistance R8, and public output is by resistance R2 ground connection.
Constant-voltage charge control circuit, the integrating circuit be made up of operational amplifier U1, electric capacity E1 forms, charging voltage D/A receives the in-phase input end of U1, and the battery voltage signal fed back is input to the inverting input of U1, and the output of U1 is connected to public output through resistance R4 and diode D1.
Invariable power charging control circuit, the integrating circuit be made up of operational amplifier U3, electric capacity E2 forms, charge power D/A receives the in-phase input end of U3, the current signal fed back and battery voltage signal are through hardware multiplier U5, differential amplifier U4, be input to the inverting input of U3, the output of U3 is connected to public output through resistance R9 and diode D2.
The voltage of public output is the result of the output voltage combined action of U1, U2, U3, and the output of U2 is worked all the time in charging process, and the output of U1, U3 is then by the opening and closing realization of D1, D2 and the connection of public output and disconnection.
If equipment is operated in constant current charging mode, under this pattern, the voltage of electric battery is lower than constant voltage setting value, charge power is lower than invariable power setting value, the output of U1, U3 reaches capacity, and saturation value is higher than the output voltage of U2, then D1, D2 turn off, control circuit only has constant-current circuit to work, and charge power circuit is only by the control of electric current D/A.The setting value of charge current sample value and charging current is made comparisons by single-chip microcomputer, if sampled value is less than setting value, then increases electric current D/A; Otherwise, then electric current D/A is reduced.
If equipment is operated in constant-voltage charge pattern, under constant voltage mode, D1 is in opening, and the state of D2 depends on the setting value of invariable power, and control circuit is by the combined action of constant current, constant voltage, invariable power.If battery voltage reaches constant voltage setting value, then constant voltage circuit plays a major role.If charging voltage D/A is equal with feedback voltage, then the output of U1 remains unchanged; If charging voltage D/A is less than feedback voltage, then U1 be only input as negative, the output voltage of U1 will reduce, and the voltage of public output also reduces thereupon, the corresponding reduction of electric current of charge power circuit, and cell voltage reduces; Otherwise, if charging voltage D/A is greater than feedback voltage, then U1 be just only input as, the output voltage of U1 will increase, cell voltage raise.By above-mentioned feedback principle, cell voltage is maintained the level of setting value, reach the effect of constant voltage.
If equipment is operated in invariable power charge mode, in such a mode, battery voltage is lower than constant voltage setting value, and D1 is in closed condition, and D2 opens, and control circuit is by the combined action of constant current, invariable power.If battery voltage reaches invariable power setting value, then invariable power circuit plays a major role.If charge power D/A is equal with feedback power signal, then the output of U3 remains unchanged; If charge power D/A is less than feedback power signal, then U3 be only input as negative, the output voltage of U3 will reduce, and the voltage of public output also reduces thereupon, and charge power declines; Otherwise, if charge power D/A is greater than feedback power signal, then U3 be just only input as, the output voltage of U3 will increase, charge power improve.By above-mentioned principle, charge power is maintained the level of setting value, play the effect of invariable power.
3.3 control of discharge modules
The function of control of discharge module: (1) gathers discharge current, battery voltage, and by SPI, data is passed to single-chip microcomputer.(2) single-chip microcomputer is by SPI controlled discharge D/A, and electric discharge D/A has two-way, discharge current D/A, discharge power D/A, respectively the current setting value of corresponding constant-current control circuit, the set value of the power of constant-power control circuit.(3) electric discharge D/A, discharge current, battery voltage are input to charge/discharge control circuit, and the output of generation is through relay, and final arrival discharge power circuit module, makes equipment with the current discharge of specifying.
Charge/discharge control circuit is shown in Fig. 6, specific implementation:
Constant-current discharge control circuit is the voltage follower circuit be made up of operational amplifier U1d, and the input of U1d is monolithic processor controlled discharge current D/A signal, and the output of U1d is connected to public output through resistance R4d, and public output is by resistance R2d ground connection.
Invariable power charge/discharge control circuit, the integrating circuit be made up of operational amplifier U2d, electric capacity E1d forms, discharge power D/A receives the in-phase input end of U2d, the discharge current signal fed back and battery voltage signal are through hardware multiplier U4d, differential amplifier U3d, be input to the inverting input of U2d, the output of U2d is connected to public output through resistance R7d and diode D1d.
The voltage of public output is the result of the output voltage combined action of U1d, U2d, and the output of U1d is worked all the time in discharge process, and the output of U2d is then by the opening and closing realization of D1d and the connection of public output and disconnection.
If equipment is operated in constant-current discharge pattern, under this pattern, discharge power is lower than invariable power setting value, and the output of U2d reaches capacity, and saturation value is higher than the output voltage of U1d, then D1d turns off, and control circuit only has constant-current circuit to work, and discharge power circuit is only by the control of discharge current D/A.The setting value of discharge current sampled value and discharge current is made comparisons by single-chip microcomputer, if sampled value is less than setting value, then increases discharge current D/A; Otherwise, then discharge current D/A is reduced.
If equipment is operated in invariable power discharge mode, D1d is in opening in such a mode, and control circuit is by the combined action of constant current, invariable power.If discharge power reaches invariable power setting value, then invariable power circuit plays a major role.If discharge power D/A is equal with feedback power signal, then the output of U2d remains unchanged; If discharge power D/A is less than feedback power signal, then U2d be only input as negative, the output voltage of U2d will reduce, and the voltage of public output also reduces thereupon, and discharge power declines; Otherwise, if charge power D/A is greater than feedback power signal, then U2d be just only input as, the output voltage of U2d will increase, discharge power improve.By above-mentioned principle, discharge power is maintained the level of setting value, play the effect of invariable power.
3.6 other modules
Charge-discharge electric power circuit module has charging and discharging two loops, is controlled by charge control module, control of discharge module respectively, and its major function carries out charging and discharging by the current versus cell group of specifying.The data of collection are transferred to single-chip microcomputer by monomer voltage acquisition module, temperature collect module, to realize the functions such as monomer constant voltage, monomer overvoltage protection, monomer under-voltage protection, overtemperature prote.
Claims (1)
1. a high-voltage battery pack test system, comprise CPU module, control of discharge module, charge control module, discharge power circuit, charge power circuit, power power-supply and monomer voltage acquisition module, electric battery is connected with described CPU module by monomer voltage acquisition module, electric battery is connected with discharge power circuit, electric battery is connected with charge power circuit, CPU module is connected with charge power circuit by power power-supply, described discharge power circuit and described control of discharge model calling, described charge power circuit is connected with described charge control module, control of discharge module is connected with CPU module, charge control module is connected with described CPU module,
Described CPU module is connected with host computer;
Described CPU module is connected with temperature collect module;
Described CPU module is connected with charge control module by charging isolating interface, described CPU module is by electric discharge isolating interface and control of discharge model calling, described CPU module is connected with power power-supply by power power-supply isolating interface, monomer voltage acquisition module is connected with CPU module by CAN transceiver, temperature collect module is connected with CPU module by described CAN transceiver, described CPU module is connected with host computer by 485 modules or ethernet controller, described CPU module is connected with real-time clock, described CPU module is connected with EEPROM, described CPU module is connected with switching input module, described CPU module is connected with gauge tap,
Described charge control module comprises charging current A/D acquisition module, charging control D/A module and charging control circuit, charge power circuit is connected with charging isolating interface by charging current A/D acquisition module, charge power circuit is connected with charging control circuit, and charging isolating interface is connected with charging control circuit by charging control D/A module; The charging D/A that charging control D/A module controls has three tunnels, charging current D/A, charging voltage D/A, charge power D/A;
Described control of discharge module comprises voltage A/D acquisition module, discharge current A/D acquisition module, control of discharge D/A module, charge/discharge control circuit, protection circuit, discharge power circuit is connected with electric discharge isolating interface by voltage A/D acquisition module, discharge power circuit is connected with electric discharge isolating interface by discharge current A/D acquisition module, discharge power circuit is connected with charge/discharge control circuit, discharge power circuit is connected with protection circuit, and electric discharge isolating interface is connected with charge/discharge control circuit by control of discharge D/A module; Control of discharge D/A module controlled discharge D/A, electric discharge D/A has two-way, discharge current D/A, discharge power D/A;
It is characterized in that described charging control circuit comprises the first multiplier that model is AD834, model is OP07 the first operational amplifier, the 3rd operational amplifier that the second operational amplifier that model is OP07, model are OP07 and model be the four-operational amplifier of OP07
5th pin of the first multiplier is connected with the 3rd pin of four-operational amplifier by the 20 resistance, 4th pin of the first multiplier is connected with the second pin of four-operational amplifier by the 24 resistance, and the 6th pin of the first multiplier connects positive source by a resistance; Battery voltage signal is connected with the 7th pin of the first multiplier by the 18 resistance, 8th pin of the first multiplier is by the 21 resistance eutral grounding, first pin of the first multiplier is by the 22 resistance eutral grounding, fourth, fifth pin of the first multiplier connects positive source respectively by a resistance, connect a resistance between fourth, fifth pin of the first multiplier, the 4th pin of the first multiplier is by a resistance eutral grounding; Charging current signal is connected with the second pin of the first multiplier by the 25 resistance, and power cathode is connected with the 3rd pin of the first multiplier by a resistance;
6th pin of four-operational amplifier is connected with the second pin of the 3rd operational amplifier by the 23 resistance, 5th pin of four-operational amplifier is unsettled, first pin of four-operational amplifier is connected with the 7th pin of four-operational amplifier by the 27 resistance, 7th pin of four-operational amplifier is connected with the 8th pin of four-operational amplifier by the 28 resistance, 4th pin of four-operational amplifier connects power cathode, second pin of four-operational amplifier is connected with the 6th pin of four-operational amplifier by the 29 resistance, 3rd pin of four-operational amplifier is by a resistance eutral grounding, and the 7th pin of four-operational amplifier connects positive source,
The second electric capacity is provided with between second pin of the 3rd operational amplifier and the 6th pin, 6th pin of the 3rd operational amplifier is connected with the negative pole of the second diode by the 9th resistance, 3rd pin of the 3rd operational amplifier is by a resistance eutral grounding, 3rd pin of the 3rd operational amplifier connects charge power D/A by the 15 resistance, 7th pin of the 3rd operational amplifier connects positive source, first pin of the 3rd operational amplifier is connected with the 7th pin of the 3rd operational amplifier by the 16 resistance, 7th pin of the 3rd operational amplifier is connected with the 8th pin of the 3rd operational amplifier by the 17 resistance, 5th pin of the 3rd operational amplifier is unsettled, 4th pin of the 3rd operational amplifier connects power cathode,
The positive pole of the second diode connects charge power circuit, second pin of the second operational amplifier is connected with the 6th pin, 6th pin of the second operational amplifier connects charge power circuit by the 8th resistance, 3rd pin of the second operational amplifier is by a resistance eutral grounding, 3rd pin of the second operational amplifier connects charging current D/A by the 11 resistance, 7th pin of the second operational amplifier connects positive source, first pin of the second operational amplifier is connected with the 7th pin of the second operational amplifier by the 12 resistance, 7th pin of the second operational amplifier is connected with the 8th pin of the second operational amplifier by the 13 resistance, 5th pin of the second operational amplifier is unsettled, 4th pin of the second operational amplifier connects power cathode,
Second pin of the first operational amplifier is connected with the 6th pin of the first operational amplifier by the first electric capacity, and the 6th pin of the first operational amplifier is connected with the negative pole of the first diode, and the positive pole of the first diode connects charge power circuit by the 4th resistance; 3rd pin of the first operational amplifier is by a resistance eutral grounding, 3rd pin of the first operational amplifier connects charging voltage D/A by the 3rd resistance, first pin of the first operational amplifier is connected with the 7th pin of the first operational amplifier by the 6th resistance, 7th pin of the first operational amplifier is connected with the 8th pin of the first operational amplifier by the 7th resistance, 5th pin of the first operational amplifier is unsettled, and the 4th pin of the first operational amplifier connects power cathode; Second pin of the first operational amplifier also connects battery voltage signal by a resistance, and the 7th pin of the first operational amplifier connects positive source; The positive pole of the second diode is by a resistance eutral grounding;
Described charge/discharge control circuit comprises the second multiplier that model is AD834, model is the 5th operational amplifier of OP07, 7th operational amplifier of model to be the 6th operational amplifier of OP07 and model be OP07, 5th pin of the second multiplier is connected with the 3rd pin of the 7th operational amplifier by the 37 resistance, 4th pin of the second multiplier is connected with the second pin of the 7th operational amplifier by the 38 resistance, 6th pin of the second multiplier is connected with positive source by the 36 resistance, battery voltage signal is connected with the 7th pin of the second multiplier by the 35 resistance, 8th pin of the second multiplier is by a resistance eutral grounding, first pin of the second multiplier is by a resistance eutral grounding, the 4th of second multiplier, five pins connect positive source respectively by a resistance, the 4th of second multiplier, a resistance is connected between five pins, 4th pin of the second multiplier is by a resistance eutral grounding, discharge current signal is connected with the second pin of the second multiplier by the 32 resistance, 3rd pin of the second multiplier is connected with power cathode by the 31 resistance,
6th pin of the 7th operational amplifier is connected with the second pin of the 6th operational amplifier by a resistance, 3rd pin of the 7th operational amplifier is by a resistance eutral grounding, 7th pin of the 7th operational amplifier connects positive source, second pin of the 7th operational amplifier is connected with the 6th pin of the 7th operational amplifier by the 50 resistance, first pin of the 7th operational amplifier is connected with the 7th pin of the 7th operational amplifier by the 39 resistance, 7th pin of the 7th operational amplifier is connected with the 8th pin of the 7th operational amplifier by the 40 resistance, 6th pin of the 7th operational amplifier connects the second pin of the 6th operational amplifier by a resistance, 5th pin of the 7th operational amplifier is unsettled, and the 4th pin of the 7th operational amplifier connects power cathode,
3rd pin of the 6th operational amplifier is by a resistance eutral grounding, 3rd pin of the 6th operational amplifier connects discharge power D/A by the 43 resistance, 7th pin of the 6th operational amplifier connects positive source, second of 6th operational amplifier is connected an electric capacity with between the 6th pin, first pin of the 6th operational amplifier is connected with the 7th pin of the 6th operational amplifier by the 41 resistance, 7th pin of the 6th operational amplifier is connected with the 8th pin of the 6th operational amplifier by the 42 resistance, 6th pin of the 6th operational amplifier is connected with the negative pole of the 3rd diode by the 48 resistance, 5th pin of the 6th operational amplifier is unsettled, 4th pin of the 6th operational amplifier connects power cathode,
The positive pole of the 3rd diode is connected with discharge power circuit, second pin of the 5th operational amplifier is connected with the 6th pin, 6th pin of the 5th operational amplifier is connected with discharge power circuit by the 47 resistance, 3rd pin of the 5th operational amplifier is by a resistance eutral grounding, 3rd pin of the 5th operational amplifier connects discharge current D/A by the 15 resistance, first pin of the 5th operational amplifier is connected with the 7th pin of the 5th operational amplifier by the 45 resistance, 7th pin of the 5th operational amplifier is connected with the 8th pin of the 5th operational amplifier by the 46 resistance, 5th pin of the 5th operational amplifier is unsettled, 4th pin of the 5th operational amplifier connects power cathode, the positive pole of the 3rd diode is by a resistance eutral grounding, 7th pin of the 5th operational amplifier connects positive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037784.6A CN102590758B (en) | 2012-02-20 | 2012-02-20 | High-voltage battery pack test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210037784.6A CN102590758B (en) | 2012-02-20 | 2012-02-20 | High-voltage battery pack test system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102590758A CN102590758A (en) | 2012-07-18 |
| CN102590758B true CN102590758B (en) | 2014-12-17 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103033760A (en) * | 2012-12-15 | 2013-04-10 | 安徽工程大学 | Battery charging and discharging tester |
| CN103545875B (en) * | 2013-08-26 | 2016-08-10 | 常州工学院 | A kind of secondary cell Intelligent charging system |
| CN106814332A (en) * | 2017-03-23 | 2017-06-09 | 中国人民解放军国防科学技术大学 | A kind of multifunction structure lithium battery interior voltage detecting system |
| CN107426853B (en) * | 2017-05-08 | 2024-08-02 | 深圳源码智能照明有限公司 | Solar LED lamp circuit |
| CN106990364A (en) * | 2017-06-06 | 2017-07-28 | 镇江市高等专科学校 | Electric quantity of lithium battery test device |
| CN107546857A (en) * | 2017-09-07 | 2018-01-05 | 北方奥钛纳米技术有限公司 | The test system and method for energy-storage system |
| CN107831450A (en) * | 2017-12-08 | 2018-03-23 | 江苏飞视文化发展有限公司 | A kind of device for being used to monitor battery |
| CN109239491A (en) * | 2018-08-30 | 2019-01-18 | 上海与德通讯技术有限公司 | A kind of Research on Automatic Measuring System of Temperature and terminal test method |
| CN114252780A (en) * | 2020-09-22 | 2022-03-29 | 鸿富锦精密电子(郑州)有限公司 | Power supply testing device |
| CN116707056B (en) * | 2022-12-29 | 2024-07-05 | 荣耀终端有限公司 | Charging circuit, charging control method and electronic device |
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| CN1747278A (en) * | 2005-10-21 | 2006-03-15 | 成都龙盾数码通信技术有限公司 | Circuit for controlling series battery charge and discharge |
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| CN202471925U (en) * | 2012-02-20 | 2012-10-03 | 宁波拜特测控技术有限公司 | Test system for high-voltage battery pack |
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