CN102944859A - Testing device for battery management system - Google Patents
Testing device for battery management system Download PDFInfo
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- CN102944859A CN102944859A CN2012104833528A CN201210483352A CN102944859A CN 102944859 A CN102944859 A CN 102944859A CN 2012104833528 A CN2012104833528 A CN 2012104833528A CN 201210483352 A CN201210483352 A CN 201210483352A CN 102944859 A CN102944859 A CN 102944859A
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Abstract
A testing device for a battery management system comprises a main voltage and single voltage output simulation module, a current measuring sensor output simulation module and a battery temperature sensor output simulation module. The main voltage and single voltage output simulation module is used for simulating the main voltage of a battery pack in a battery system and the single voltage of each serial single battery. The current measuring sensor output simulation module is used for simulating an output current signal of a Hall sensor for measuring current in the battery system, and variation of the charge-discharge current of the battery system is simulated by adjusting the output current of the current measuring sensor output simulation module. The battery temperature sensor output simulation module is used for simulating an output voltage signal of a sensor for measuring the temperature in the battery system, and actual variation of the temperature of the battery system is simulated by adjusting the output voltage value of the battery temperature sensor output simulation module.
Description
Technical field
The present invention relates to a kind of device for cell management system of electric automobile function and performance test.
Background technology
Battery management system is the important administrative unit of battery for electric automobile system, and management system all is the battery system of directly packing into after design and machining at present.Exist because the battery system high-energy, as easy as rolling off a logly short circuit occurs, burn the battery management system equivalent risk.If before battery system that battery management system is packed into, key property and the function of management system detected, can reduce the risk.The major function of battery management system is to measure total voltage, the monomer voltage of power brick in the battery system, measures the charging and discharging currents of battery system, measures the temperature of power brick in the battery system.The function of test battery management system and performance are to adopt actual battery system to test at present, and be very inconvenient, even very big risk is arranged.
Summary of the invention
The objective of the invention is to solve present battery for electric automobile management system before being fit into battery system, the difficult problem to function and the performance of battery management system detects proposes a kind of proving installation for battery management system.The present invention adopts power brick monomer voltage signal in the actual battery system of external circuit simulation, the output signal of current metering sensor, the sensor for measuring temperature output signal substitutes actual battery system, and function and the performance of battery management system are carried out preliminary detection.Have simple, safe and reliable characteristics, under factory and laboratory condition, needn't use actual battery system, just can realize the preliminary identification to battery management system function and performance.
The present invention includes total voltage and monomer voltage output analog module, current metering sensor output analog module and battery temperature sensor output analog module.Three described modules are separate, are connected respectively on respective terminal, in order to be connected with battery management system.
Total voltage, the monomer voltage output signal of power brick in total voltage and the monomer voltage output analog module simulation actual battery system.The current signal of the output of the Hall element of measurement electric current in the current metering sensor output analog module simulation actual battery system.Measure the voltage signal of the temperature sensor output of power brick in the battery temperature sensor output analog module simulation actual battery system.
12 resistance that total voltage and monomer voltage output analog module adopt resistance to equate carry out dividing potential drop to external voltage source, and the voltage of getting on each resistance equates.Total voltage and monomer voltage output analog module utilizes the total voltage of external voltage source simulated battery system, utilizes the voltage of the cell in the battery system of the voltage analog reality that each resistance gets, i.e. monomer voltage.On the lead-out terminal that the voltage signal at the signal of external voltage source and each resistance two ends outputs to battery management system is connected.The size of the output voltage by regulating external voltage source, the size that can regulate the voltage signal that each resistance gets.Total voltage and monomer voltage output analog module, the total voltage signal of the battery system of simulation output, the voltage signal of each monomer voltage, to battery management system, whether the function that the test battery management system is measured monomer voltage and total voltage is correct with these analog signal outputs.
Current metering sensor output analog module adopts external circuit to produce a current source, simulates the output of actual Hall current sensor.Produce a reference voltage by reference voltage source, adjustable resistance and resistance series connection are carried out dividing potential drop to described reference voltage.The voltage at adjustable resistance two ends by voltage-current converter circuit, converts electric current output to.By regulating the voltage at adjustable resistance two ends, size that can the regulation output electric current.
Battery temperature sensor output analog module adopts external circuit to produce a voltage source, the output of simulation actual battery system temperature sensor.Utilize the series connection of resistance and adjustable resistance, produce a magnitude of voltage at the adjustable resistance two ends, amplify the described voltage of output through amplifier.By regulating the terminal voltage at adjustable resistance two ends, the size of regulation output voltage.
Total voltage of the present invention and monomer voltage output analog module, current metering sensor output analog module, battery temperature sensor output analog module, the signal of simulation output outputs on respective terminal, this connection terminal is identical with the model of the connection terminal of the battery system of reality, the signal definition of pin is also identical, can directly be connected the battery system that simulation is actual with management system by this connection terminal
Description of drawings
The theory diagram of Fig. 1 proving installation of the present invention;
Fig. 2 total voltage, monomer voltage output analog module schematic diagram;
Fig. 3 current metering sensor output analog module schematic diagram;
Fig. 4 battery temperature sensor output analog module schematic diagram.
Embodiment
Further specify the present invention below in conjunction with the drawings and specific embodiments.
Fig. 1 is the theory diagram of proving installation of the present invention.The present invention includes total voltage and monomer voltage output analog module, current metering sensor output analog module and battery temperature sensor output analog module.Three described modules are separate, are connected respectively on the terminal of corresponding wiring, are connected with battery management system by this Interface Terminal.
Fig. 2 is total voltage and monomer voltage output analog module.12 resistance that described total voltage and monomer voltage output analog module adopt resistance to equate carry out dividing potential drop to external voltage source, and the voltage of getting on each resistance equates.As shown in Figure 2, the two ends of 12 the rear access of resistance R 1～R12 series connection external voltage sources produce voltage at each resistance two ends, and the present invention adopts the monomer voltage of the voltage analog battery system at described resistance two ends.Total voltage with external voltage source voltage analog battery system.12 resistance R 1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12 connect mutually, and the first resistance R 1 connects the anode of power supply, and the 12 resistance R 12 connects the negative terminal of power supply.The terminal voltage BAT0 of the 12 resistance R 12, the negative pole of simulated battery system first segment battery, and power brick is total negative.The 12 resistance R 12 terminal voltage BAT1, the anode of simulated battery system first segment battery, and the negative terminal of second section battery.The 11 resistance R 11 terminal voltage BAT2, the anode of simulated battery system second section battery, and the negative terminal of the 3rd batteries.The tenth resistance R 10 terminal voltage BAT3, the anode of simulated battery system the 3rd batteries, and the negative terminal of the 4th batteries.The 9th resistance R 9 terminal voltage BAT4, the anode of simulated battery system the 4th batteries, and the negative terminal of the 5th battery.The 8th resistance R 8 terminal voltage BAT5, the anode of simulated battery system the 5th batteries, and the negative terminal of the 6th batteries.The 7th resistance R 7 terminal voltage BAT6, the anode of simulated battery system the 6th batteries, and the negative terminal of the 7th batteries.The 6th resistance R 6 terminal voltage BAT7, the anode of simulated battery system the 7th batteries, and the negative terminal of the 8th batteries.The 5th resistance R 5 terminal voltage BAT8, the anode of simulated battery system the 8th batteries, and the negative terminal of the 9th batteries.The 4th resistance R 4 terminal voltage BAT9, the anode of simulated battery system the 9th batteries, and the negative terminal of protelum battery.The 3rd resistance R 3 terminal voltage BAT10, the anode of simulated battery system protelum battery, and the negative terminal of the 11 batteries.The second resistance R 2 terminal voltage BAT11, the anode of simulated battery system the 11 batteries, and the negative terminal of the 12 batteries.The first resistance R 1 terminal voltage BAT12, the anode of simulated battery system the 12 batteries, and battery system always just.
Shown in Figure 3 is current metering sensor output analog module.Described current metering sensor output analog module adopts reference voltage source U1 to produce a reference voltage, the first adjustable resistance R13 and 15 pairs of reference voltages of the 15 resistance R carry out dividing potential drop, the 14 resistance R 14, operational amplifier U2, capacitor C 1, triode Q1, Q2 consist of voltage-current converter circuit, by regulating the magnitude of voltage at the first adjustable resistance R13 two ends, the size of regulation output electric current.Simulate in the actual battery system with described output current, measure the current signal of the Hall element output of electric current.The 2 pin GND ground connection GND1 of reference voltage source U1,3 pin Vin meet power supply+12V, and 4 pin Vout connect the end of the 14 resistance R 14 and adjustable resistance R13.One end of another termination the 15 resistance R 15 of the first adjustable resistance R13, the other end ground connection GND1 of the 15 resistance R 15.3 pins of the first adjustable resistance R13 concatenation operation amplifier U2.The 14 resistance R 14 connects 2 pins of operational amplifier U2, connects simultaneously the emitter of capacitor C 1 and the first triode Q1.The base stage of the first triode Q1 connects the emitter of the second triode Q2.6 pins of operational amplifier U2 connect the base stage of capacitor C 1 and the second triode Q2.The collector of the first triode Q1 be connected triode Q2 and connect output current BC+.
Fig. 4 is battery temperature sensor output analog module.Described battery temperature sensor output analog module adopts the 16 resistance R 16 and the second adjustable resistance R17 series connection that voltage VCC is carried out dividing potential drop.The second adjustable resistance R17 both end voltage is by being made of output voltage values CHANEL1 behind the voltage follower voltage amplifier U3A, the 19 resistance R 19.One termination voltage VCC of the 16 resistance R 16,3 pins of another termination 12 adjustable resistance R17 and voltage amplifier U3A.The other end ground connection GND1 of the second adjustable resistance R17.8 pins of voltage amplifier U3A meet power supply+12V, and 4 pins of voltage amplifier U3A meet power supply-12V.2 pins of voltage amplifier U3A meet 1 pin of another termination voltage amplifier U3A of the 19 resistance R 19, the 19 resistance R 19, output voltage CHANEL1.
Claims (4)
1. a proving installation that is used for battery management system is characterized in that described proving installation comprises total voltage and monomer voltage output analog module, current metering sensor output analog module and battery temperature sensor output analog module; Described total voltage and monomer voltage output analog module, current metering sensor output analog module and battery temperature sensor output analog module are separate, and the signal of each module directly outputs to respective terminal, in order to access battery management system.
2. proving installation according to claim 1, it is characterized in that in described total voltage and the monomer voltage output analog module, 12 resistance (R1～R12) mutually series connection, the first resistance (R1) connects the anode of external voltage source, and the 12 resistance (R12) connects the negative terminal of external voltage source; The voltage of 12 of power brick joint cells in the voltage analog battery system at each resistance two ends, ((BAT0～BAT12) outputs to the lead-out terminal that is connected with battery management system to the terminal voltage signal of R1～R12) to resistance, the terminal voltage signal (BAT0) of the first resistance (R1) and the 12 resistance (R12) terminal voltage signal (BAT12) simulated battery system total negative and always just.
3. proving installation according to claim 1 is characterized in that described current metering sensor output analog module produces an adjustable current source output, in order to measure the output of the Hall element of electric current in the simulated battery system; Described current metering sensor output analog module adopts reference voltage of reference voltage source (U1) output, after the 13 resistance (R13) and the 15 resistance (R15) dividing potential drop, pass through again operational amplifier (U2), current source of two triodes (Q1, Q2) output; The size of current source output current is regulated by the size of regulating the first adjustable resistance (R13).
4. proving installation according to claim 1 is characterized in that described battery temperature sensor output analog module produces a variable voltage source output, in order to the output voltage signal of actual temperature sensor in the simulated battery system; In the described battery temperature sensor output analog module, the 16 resistance (R16) and the second adjustable resistance (R17) series connection, the voltage that the second adjustable resistance (R17) is got is by voltage amplifier U3A output; The size of the resistance regulation output voltage by regulating the second adjustable resistance (R17) is with the variation of analog temperature sensor temperature.
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| CN2012104833528A CN102944859A (en) | 2012-11-23 | 2012-11-23 | Testing device for battery management system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345163A (en) * | 2013-07-11 | 2013-10-09 | 哈尔滨工业大学 | Battery management system performance test platform and testing method based on semi-physical simulation |
| CN104793169A (en) * | 2015-04-30 | 2015-07-22 | 重庆长安汽车股份有限公司 | Fault injection device for new energy automobile battery management system tests |
| CN104820200A (en) * | 2015-05-14 | 2015-08-05 | 哈尔滨冠拓电源设备有限公司 | Battery management system function check platform with self-checking function, self-checking method, and check method |
| CN106371024A (en) * | 2016-08-19 | 2017-02-01 | 重庆长安汽车股份有限公司 | Battery management system testing apparatus |
| EP3246719A1 (en) * | 2016-05-18 | 2017-11-22 | NXP USA, Inc. | Battery monitoring device with battery emulator |
| WO2018072496A1 (en) * | 2016-10-17 | 2018-04-26 | 宁德时代新能源科技股份有限公司 | Test circuit |
| CN109541491A (en) * | 2018-11-27 | 2019-03-29 | 东风航盛（武汉）汽车控制系统有限公司 | Simulated battery management system and battery voltage signal analogy method |
| CN109856484A (en) * | 2019-02-21 | 2019-06-07 | 东风柳州汽车有限公司 | Battery management system physical detection function test method |
| CN110383096A (en) * | 2017-03-02 | 2019-10-25 | 宝马股份公司 | The equipment of DC voltage source for analog module |
| CN110837056A (en) * | 2019-12-11 | 2020-02-25 | 北京绿能芯创电子科技有限公司 | Simple battery simulation test device and method for BMS and device manufacturing method |
| CN114035091A (en) * | 2021-10-25 | 2022-02-11 | 智新控制系统有限公司 | BMS slave control module single voltage automatic calibration system and method |
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| CN2924551Y (en) * | 2005-12-28 | 2007-07-18 | 比亚迪股份有限公司 | Device for detecting power battery management system |
| CN102692605A (en) * | 2011-03-23 | 2012-09-26 | 铃木株式会社 | Cell state supervision apparatus |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103345163B (en) * | 2013-07-11 | 2016-01-20 | 哈尔滨工业大学 | Based on battery management system Testing Platform and the method for testing of hardware-in-the-loop simulation |
| CN103345163A (en) * | 2013-07-11 | 2013-10-09 | 哈尔滨工业大学 | Battery management system performance test platform and testing method based on semi-physical simulation |
| CN104793169A (en) * | 2015-04-30 | 2015-07-22 | 重庆长安汽车股份有限公司 | Fault injection device for new energy automobile battery management system tests |
| CN104820200B (en) * | 2015-05-14 | 2018-07-06 | 哈尔滨冠拓电源设备有限公司 | Battery management system functional check platform and self checking method and the method for inspection with self-checking function |
| CN104820200A (en) * | 2015-05-14 | 2015-08-05 | 哈尔滨冠拓电源设备有限公司 | Battery management system function check platform with self-checking function, self-checking method, and check method |
| EP3246719A1 (en) * | 2016-05-18 | 2017-11-22 | NXP USA, Inc. | Battery monitoring device with battery emulator |
| US10106049B2 (en) | 2016-05-18 | 2018-10-23 | Nxp Usa, Inc. | Battery monitoring device |
| CN106371024A (en) * | 2016-08-19 | 2017-02-01 | 重庆长安汽车股份有限公司 | Battery management system testing apparatus |
| WO2018072496A1 (en) * | 2016-10-17 | 2018-04-26 | 宁德时代新能源科技股份有限公司 | Test circuit |
| CN110383096A (en) * | 2017-03-02 | 2019-10-25 | 宝马股份公司 | The equipment of DC voltage source for analog module |
| CN110383096B (en) * | 2017-03-02 | 2022-06-03 | 宝马股份公司 | Device and test apparatus for simulating a modular DC voltage source |
| CN109541491A (en) * | 2018-11-27 | 2019-03-29 | 东风航盛（武汉）汽车控制系统有限公司 | Simulated battery management system and battery voltage signal analogy method |
| CN109541491B (en) * | 2018-11-27 | 2023-12-22 | 智新控制系统有限公司 | Analog battery management system and battery voltage signal analog method |
| CN109856484A (en) * | 2019-02-21 | 2019-06-07 | 东风柳州汽车有限公司 | Battery management system physical detection function test method |
| CN110837056A (en) * | 2019-12-11 | 2020-02-25 | 北京绿能芯创电子科技有限公司 | Simple battery simulation test device and method for BMS and device manufacturing method |
| CN114035091A (en) * | 2021-10-25 | 2022-02-11 | 智新控制系统有限公司 | BMS slave control module single voltage automatic calibration system and method |
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Application publication date: 20130227 |