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CN104122884A - Simulation test device of battery management system - Google Patents

Simulation test device of battery management system Download PDF

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Publication number
CN104122884A
CN104122884A CN201410335033.1A CN201410335033A CN104122884A CN 104122884 A CN104122884 A CN 104122884A CN 201410335033 A CN201410335033 A CN 201410335033A CN 104122884 A CN104122884 A CN 104122884A
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battery management
management system
battery
module
test device
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CN201410335033.1A
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楼平
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Abstract

The invention discloses a simulation test device of a battery management system. The simulation test device comprises a battery module, a main relay, a charging relay, a control module and a direct-current charger, wherein the battery module, the main relay, the charging relay and the control module are connected with the battery management system, the charging relay is connected with the direct-current charger, the output end of the direct-current charger is connected with the input end of the battery module, the battery module is in series connection with an adjustable voltage source and is further sequentially connected with the main relay and a load, the output end of the battery module is connected with the input end of the battery management system through a temperature sensor, and the output end of the control module is connected with a display module. The simulation test device is simple in structure, low in cost, capable of simulating and testing performance of the battery management system, convenient to test, low in energy consumption and good in repeatability and controllability and can be widely applied to the testing field of the battery management system.

Description

A kind of simulating test device of battery management system
Technical field
The present invention relates to the field tests of battery management system, particularly relate to a kind of simulating test device of battery management system.
Background technology
Battery management system; Battery Management System; be called for short BMS; it is the electronic-controlled installation of electrokinetic cell assembly; for the parameters such as the monomer voltage of power battery pack, total voltage, temperature, charging and discharging currents are monitored; and according to these information, power battery pack is carried out to balanced management and safeguard protection, to extend the power battery pack life-span, to improve the safe reliability of its charge-discharge performance and operation.Battery management system, must be through the various tests such as test, check, demarcation, the performance of test battery management system and precision before being applied to electric automobile.In prior art, to a kind of method of testing of battery management system, be that its input end is connected in power battery pack, adopt battery charging and discharging instrument to discharge and recharge power battery pack, the function of test b MS and precision in charge and discharge process, but this method is in battery set charge/discharge process, discharge and recharge power up to several kilowatts to tens kilowatts, need to expend a large amount of energy, and power battery pack discharges and recharges that the time is long, iterative cycles is tested, is difficult to simulated failure state for a long time, and repeatability and controllability all poor.Another kind of method of testing is to be arranged in electric automobile after battery management system is linked together with battery pack, then electric automobile is travelled in testing field, complete in the process of moving the experiment measuring of battery management system, but this method of testing time consumption and energy consumption, test inconvenience and cost are high.
Summary of the invention
In order to solve above-mentioned technical matters, the object of this invention is to provide a kind of simulating test device of battery management system.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of simulating test device of battery management system, for test battery management system, comprise battery module, main relay, charge relay, control module and DC charging motor, described battery module, main relay, charge relay and control module are all connected with battery management system, described charge relay is connected with DC charging motor, the output terminal of described DC charging motor is connected with the input end of battery module, described battery module is in series with a variable voltage source, described battery module is also connected with main relay and load in turn, the output terminal of described battery module is connected with the input end of battery management system by temperature sensor, the output terminal of described control module is connected with display module.
Further, described battery management system comprises Main Control Unit, battery management unit and insulation detecting unit, described Main Control Unit is connected with main relay, charge relay, control module, battery management unit and insulation detecting unit respectively, the output terminal of described battery module is connected with the input end of battery management unit by temperature sensor, described battery management unit is connected with insulation detecting unit with battery module respectively, the output terminal of described battery management unit is connected with refrigeration module, and described insulation monitoring module is connected with battery module.
Further, described insulation monitoring module adopts the singlechip chip that model is S9S08DZ60.
Further, the lithium battery group of described battery module for being composed in series by some lithium batteries, described variable voltage source is connected with the final section lithium battery of lithium battery group, and described DC charging motor adopts PFC lithium electricity charging set.
Further, described variable voltage source adopts the voltage stabilizing integrated chip that model is LM2576HV-ADJ.
Further, the input termination direct-current input power supplying of described voltage stabilizing integrated chip, the first pin of described voltage stabilizing integrated chip is by the first capacity earth, the second pin of described voltage stabilizing integrated chip is connected with the negative pole of a schottky diode, the plus earth of described schottky diode, the second pin of described voltage stabilizing integrated chip is also connected with one end of an inductor, the other end of described inductor is by the second capacity earth, the other end of described inductor is also connected with a stiff end of an adjustable resistance, another stiff end ground connection of described adjustable resistance, the movable end of described adjustable resistance is connected with the 4th pin of voltage stabilizing integrated chip, the 3rd pin of described voltage stabilizing integrated chip and the equal ground connection of the 5th pin.
Further, described load adopts high-power resistance or bulb.
The invention has the beneficial effects as follows: the simulating test device of a kind of battery management system of the present invention, comprise battery module, main relay, charge relay, control module and DC charging motor, battery module, main relay, charge relay and control module are all connected with battery management system, charge relay is connected with DC charging motor, the output terminal of DC charging motor is connected with the input end of battery module, battery module is in series with a variable voltage source, battery module is also connected with main relay and load in turn, the output terminal of battery module is connected with the input end of battery management system by temperature sensor, the output terminal of control module is connected with display module.This simulating test device can be by regulating the output voltage of variable voltage source; thereby make mesuring battary management system in conditions such as over-charge protective, Cross prevention or equilibriums; thereby voltage protection and the equalization function of checking battery management system; and control discharging and recharging of battery module by main relay and charge relay; SOC assessment function that can test battery management system; this apparatus structure is simple; cost is low; properties that can simulation test battery management system; convenient test and low energy consumption, and repeatability and controllability good.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described.
Fig. 1 is the structured flowchart of the simulating test device of a kind of battery management system of the present invention;
Fig. 2 is the structured flowchart of a specific embodiment of the simulating test device of a kind of battery management system of the present invention;
Fig. 3 is the circuit diagram of the variable voltage source in Fig. 1.
Embodiment
With reference to Fig. 1, in Fig. 1, BMS represents battery management system, the invention provides a kind of simulating test device of battery management system, for test battery management system, comprise battery module, main relay, charge relay, control module and DC charging motor, described battery module, main relay, charge relay and control module are all connected with battery management system, described charge relay is connected with DC charging motor, the output terminal of described DC charging motor is connected with the input end of battery module, described battery module is in series with a variable voltage source, described battery module is also connected with main relay and load in turn, the output terminal of described battery module is connected with the input end of battery management system by temperature sensor, the output terminal of described control module is connected with display module.
Be further used as preferred embodiment, with reference to Fig. 2, in Fig. 2, BCU represents Main Control Unit, BMU represents battery management unit, HVU represents the detecting unit that insulate, described battery management system comprises Main Control Unit, battery management unit and insulation detecting unit, described Main Control Unit respectively with main relay, charge relay, control module, battery management unit and insulation detecting unit connect, the output terminal of described battery module is connected with the input end of battery management unit by temperature sensor, described battery management unit is connected with insulation detecting unit with battery module respectively, the output terminal of described battery management unit is connected with refrigeration module, described insulation monitoring module is connected with battery module.
Be further used as preferred embodiment, described insulation monitoring module adopts the singlechip chip that model is S9S08DZ60.
Be further used as preferred embodiment, the lithium battery group of described battery module for being composed in series by some lithium batteries, described variable voltage source is connected with the final section lithium battery of lithium battery group, and described DC charging motor adopts PFC lithium electricity charging set.
Be further used as preferred embodiment, described variable voltage source adopts the voltage stabilizing integrated chip that model is LM2576HV-ADJ.
Be further used as preferred embodiment, with reference to Fig. 3, the input termination direct-current input power supplying of described voltage stabilizing integrated chip, the first pin of described voltage stabilizing integrated chip is by the first capacitor C iNground connection, the second pin of described voltage stabilizing integrated chip is connected with the negative pole of a schottky diode D1, the plus earth of described schottky diode D1, the second pin of described voltage stabilizing integrated chip is also connected with one end of an inductor L1, and the other end of described inductor L1 is by the second capacitor C oUTground connection, the other end of described inductor L1 is also connected with a stiff end of an adjustable resistance R, another stiff end ground connection of described adjustable resistance R, the movable end of described adjustable resistance R is connected with the 4th pin of voltage stabilizing integrated chip, the 3rd pin of described voltage stabilizing integrated chip and the equal ground connection of the 5th pin.
Be further used as preferred embodiment, described load adopts high-power resistance or bulb.
Below in conjunction with specific embodiment, the present invention will be further described.
Referring to figs. 1 through Fig. 3, a kind of simulating test device of battery management system, for test battery management system, comprise battery module, main relay, charge relay, control module and DC charging motor, battery module, main relay, charge relay and control module are all connected with battery management system, charge relay is connected with DC charging motor, the output terminal of DC charging motor is connected with the input end of battery module, battery module is in series with a variable voltage source, battery module is also connected with main relay and load in turn, the output terminal of battery module is connected with the input end of battery management system by temperature sensor, the output terminal of control module is connected with display module.
Temperature sensor is for detection of the temperature of battery module, and sends to battery management system.
Thereby battery management system can detect the information such as the voltage, electric current of battery module and carry out that over-charge protective, Cross prevention or SOC estimate etc.; and can control the power supply of battery module to load by controlling main relay; thereby realize the control of discharge of battery module; also can control DC charging motor by charge relay charges to battery module; thereby during this simulating test device simulation test battery management system; battery management system can be controlled battery module realization and discharge and recharge, thus the SOC assessment function of checking battery management system.
Battery management system sends to control module by the every data that collect, and control module can be shown and be gathered the data that obtain, monomer voltage value, current measurement value or the temperature value etc. that such as battery management system, measure by display module.Display module can adopt LCD display to realize, can also develop the simulation test amount result that corresponding software shows battery management system, also can directly with more piece eight segment numeral pipes, show, because this simulating test device is pure hardware design, therefore directly the data of acquisition are sent to eight segment numeral pipes, show.
With reference to Fig. 2, in the present embodiment, battery management system comprises Main Control Unit, battery management unit and insulation detecting unit, Main Control Unit is connected with main relay, charge relay, control module, battery management unit and insulation detecting unit respectively, the output terminal of battery module is connected with the input end of battery management unit by temperature sensor, battery management unit is connected with insulation detecting unit with battery module respectively, the output terminal of battery management unit is connected with refrigeration module, and insulation monitoring module is connected with battery module.Battery management unit is for gathering magnitude of voltage, current value and the temperature value etc. of battery module, insulation detecting unit can adopt insulation resistance gather the insulation situation of battery module and send to Main Control Unit, thereby Main Control Unit is controlled discharging and recharging of battery module for controlling the duty of main relay and charge relay.
In the present embodiment, insulation monitoring module adopts the singlechip chip that model is S9S08DZ60, the lithium battery group of battery module for being composed in series by some lithium batteries, variable voltage source is connected with the final section lithium battery of lithium battery group, and DC charging motor adopts PFC lithium electricity charging set.Load adopts high-power resistance or bulb.
With reference to Fig. 3, in the present embodiment, variable voltage source adopts the voltage stabilizing integrated chip that model is LM2576HV-ADJ, the input termination direct-current input power supplying of voltage stabilizing integrated chip, and the first pin of voltage stabilizing integrated chip is by the first capacitor C iNground connection, the second pin of voltage stabilizing integrated chip is connected with the negative pole of a schottky diode D1, the plus earth of schottky diode D1, the second pin of voltage stabilizing integrated chip is also connected with one end of an inductor L1, and the other end of inductor L1 is by the second capacitor C oUTground connection, the other end of inductor L1 is also connected with a stiff end of an adjustable resistance R, another stiff end ground connection of adjustable resistance R, the movable end of adjustable resistance R is connected with the 4th pin of voltage stabilizing integrated chip, the 3rd pin of voltage stabilizing integrated chip and the equal ground connection of the 5th pin.In Fig. 3, can find out, the first pin of voltage stabilizing integrated chip, the 3rd pin are that input end and the first pin are positive input terminal, the output terminal that two stiff ends of adjustable resistance R are variable voltage source.In Fig. 3, the first half resistance value of adjustable resistance R is R1; the latter half resistance value is R2; by regulating the movable end of adjustable resistance R; thereby change the resistance value of R1 and R2; can change the output voltage of variable voltage source; thereby make mesuring battary management system in conditions such as over-charge protective, Cross prevention or equilibriums, therefore can verify voltage protection and the equalization function of battery management system.
It should be noted that, the normal work of variable voltage source, battery management system or Main Control Unit, battery management unit and insulation detecting unit all needs to access DC power supply, be generally 12V direct supply, this is common practise, and the present invention is not described in addition.
In the present embodiment, temperature sensor can adopt adjustable resistor to simulate, and by regulating the resistance value of adjustable resistor, changes the heating situation of adjustable resistor, can simulate high temperature and low-temperature condition, thus the temperature protection function of checking battery management system.
In summary, the properties that this simulating test device can simulation test battery management system, and simple in structure, cost is low, tests simple and convenient and low energy consumption, and adopts this device to test, repeatability and controllability are all better.
More than that better enforcement of the present invention is illustrated, but the invention is not limited to embodiment, those of ordinary skill in the art also can make all equivalent variations or replacement under the prerequisite without prejudice to spirit of the present invention, and the modification that these are equal to or replacement are all included in the application's claim limited range.

Claims (7)

1. the simulating test device of a battery management system, for test battery management system, it is characterized in that, comprise battery module, main relay, charge relay, control module and DC charging motor, described battery module, main relay, charge relay and control module are all connected with battery management system, described charge relay is connected with DC charging motor, the output terminal of described DC charging motor is connected with the input end of battery module, described battery module is in series with a variable voltage source, described battery module is also connected with main relay and load in turn, the output terminal of described battery module is connected with the input end of battery management system by temperature sensor, the output terminal of described control module is connected with display module.
2. the simulating test device of a kind of battery management system according to claim 1, it is characterized in that, described battery management system comprises Main Control Unit, battery management unit and insulation detecting unit, described Main Control Unit respectively with main relay, charge relay, control module, battery management unit and insulation detecting unit connect, the output terminal of described battery module is connected with the input end of battery management unit by temperature sensor, described battery management unit is connected with insulation detecting unit with battery module respectively, the output terminal of described battery management unit is connected with refrigeration module, described insulation monitoring module is connected with battery module.
3. the simulating test device of a kind of battery management system according to claim 2, is characterized in that, described insulation monitoring module adopts the singlechip chip that model is S9S08DZ60.
4. the simulating test device of a kind of battery management system according to claim 1, it is characterized in that, the lithium battery group of described battery module for being composed in series by some lithium batteries, described variable voltage source is connected with the final section lithium battery of lithium battery group, and described DC charging motor adopts PFC lithium electricity charging set.
5. the simulating test device of a kind of battery management system according to claim 1, is characterized in that, described variable voltage source adopts the voltage stabilizing integrated chip that model is LM2576HV-ADJ.
6. the simulating test device of a kind of battery management system according to claim 5, is characterized in that, the input termination direct-current input power supplying of described voltage stabilizing integrated chip, and the first pin of described voltage stabilizing integrated chip is by the first electric capacity (C iN) ground connection, the second pin of described voltage stabilizing integrated chip is connected with the negative pole of a schottky diode (D1), the plus earth of described schottky diode (D1), the second pin of described voltage stabilizing integrated chip is also connected with one end of an inductor (L1), and the other end of described inductor (L1) is by the second electric capacity (C oUT) ground connection, the other end of described inductor (L1) is also connected with a stiff end of an adjustable resistance (R), another stiff end ground connection of described adjustable resistance (R), the movable end of described adjustable resistance (R) is connected with the 4th pin of voltage stabilizing integrated chip, the 3rd pin of described voltage stabilizing integrated chip and the equal ground connection of the 5th pin.
7. the simulating test device of a kind of battery management system according to claim 1, is characterized in that, described load adopts high-power resistance or bulb.
CN201410335033.1A 2014-07-15 2014-07-15 Simulation test device of battery management system Pending CN104122884A (en)

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CN105243010A (en) * 2015-08-28 2016-01-13 中国空间技术研究院 Method for testing energy software by utilizing a lithium battery management unit simulation system
CN106019002A (en) * 2016-05-13 2016-10-12 合肥国轩高科动力能源有限公司 Verification test platform for battery management system and test method thereof
CN106199436A (en) * 2016-06-24 2016-12-07 安徽长城输送机械制造有限公司 A kind of FCS functional check-out set of cell management system of electric automobile
CN106383277A (en) * 2016-08-26 2017-02-08 北京长城华冠汽车科技股份有限公司 Test platform for electric automobile battery management system
CN105759147B (en) * 2016-04-05 2019-02-19 深圳市清友能源技术有限公司 A kind of integrated testing device of cell management system of electric automobile
CN110542862A (en) * 2018-05-28 2019-12-06 宁德新能源科技有限公司 Test method, test system and readable storage medium
CN111711239A (en) * 2020-06-17 2020-09-25 芜湖楚睿智能科技有限公司 Lithium battery energy storage system of semiconductor wafer factory
CN113759300A (en) * 2021-11-10 2021-12-07 深圳市聚能优电科技有限公司 Performance test method and device of battery management unit

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105243010A (en) * 2015-08-28 2016-01-13 中国空间技术研究院 Method for testing energy software by utilizing a lithium battery management unit simulation system
CN105243010B (en) * 2015-08-28 2018-04-27 中国空间技术研究院 A kind of method using lithium battery administrative unit simulation system test energy software
CN105759147B (en) * 2016-04-05 2019-02-19 深圳市清友能源技术有限公司 A kind of integrated testing device of cell management system of electric automobile
CN106019002A (en) * 2016-05-13 2016-10-12 合肥国轩高科动力能源有限公司 Verification test platform for battery management system and test method thereof
CN106019002B (en) * 2016-05-13 2019-02-05 合肥国轩高科动力能源有限公司 Verification test platform for battery management system and test method thereof
CN106199436A (en) * 2016-06-24 2016-12-07 安徽长城输送机械制造有限公司 A kind of FCS functional check-out set of cell management system of electric automobile
CN106383277A (en) * 2016-08-26 2017-02-08 北京长城华冠汽车科技股份有限公司 Test platform for electric automobile battery management system
CN110542862A (en) * 2018-05-28 2019-12-06 宁德新能源科技有限公司 Test method, test system and readable storage medium
CN110542862B (en) * 2018-05-28 2022-02-18 宁德新能源科技有限公司 Test method, test system and readable storage medium
CN111711239A (en) * 2020-06-17 2020-09-25 芜湖楚睿智能科技有限公司 Lithium battery energy storage system of semiconductor wafer factory
CN113759300A (en) * 2021-11-10 2021-12-07 深圳市聚能优电科技有限公司 Performance test method and device of battery management unit
CN113759300B (en) * 2021-11-10 2022-02-15 深圳市聚能优电科技有限公司 Performance test method and device of battery management unit

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