CN107202959B - One kind being used for battery pack and battery management system matching test centring system - Google Patents
One kind being used for battery pack and battery management system matching test centring system Download PDFInfo
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- CN107202959B CN107202959B CN201710354689.1A CN201710354689A CN107202959B CN 107202959 B CN107202959 B CN 107202959B CN 201710354689 A CN201710354689 A CN 201710354689A CN 107202959 B CN107202959 B CN 107202959B
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- 238000012360 testing method Methods 0.000 title claims abstract description 58
- 238000004088 simulation Methods 0.000 claims abstract description 25
- 238000011056 performance test Methods 0.000 claims abstract description 19
- 230000004044 response Effects 0.000 claims abstract description 11
- 238000003745 diagnosis Methods 0.000 claims abstract description 9
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 238000004891 communication Methods 0.000 claims description 26
- 230000005611 electricity Effects 0.000 claims description 6
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010835 comparative analysis Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000009897 systematic effect Effects 0.000 claims description 3
- 238000009472 formulation Methods 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 238000004458 analytical method Methods 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000011160 research Methods 0.000 description 6
- 238000012544 monitoring process Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- JDZCKJOXGCMJGS-UHFFFAOYSA-N [Li].[S] Chemical compound [Li].[S] JDZCKJOXGCMJGS-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/367—Software therefor, e.g. for battery testing using modelling or look-up tables
Abstract
The invention discloses one kind to be used for battery pack and battery management system matching test centring system, belong to the field of test technology, the centring system includes four module: battery performance test module, voltage, electric current and temperature accuracy test module, state-of-charge and service life state accuracy test module, fault diagnosis accuracy rate and response time test module；The system is carried out data transmission by TCP/IP and hardware-in―the-loop test platform NI real-time simulation machine and battery management system master control borad, can be analyzed cell voltage, electric current and temperature acquisition precision in battery management system, the analysis of achievable battery charge state and service life state estimation precision, the judgement that can also realize fault diagnosis accuracy rate and response time in battery management system；In addition, the system can also carry out test analysis to various configuration battery performance, to complete the matching correct of power battery and battery management system, extend battery pack service life, provides possibility to improve electric car safety and reliability.
Description
Technical field
The present invention relates to a kind of test macros, and in particular to one kind is in battery pack and battery management system matching test
Feel concerned about system.
Background technique
There is energy conservation and the ev industry of environmentally friendly double dominant to receive state for the aggravation of energy crisis and environmental pollution
The great attention of family and enterprise.Power battery is as one of power system of electric automobile core component, to electric car globality
There can be direct influence.Currently, about key technologies such as lithium ion battery electrode material modification and new material system probes
Research has achieved prominent achievement, and battery specific energy and specific power have certain promotion, and cycle life is up to thousands of times, meanwhile,
The battery systems such as rich lithium more of new generation, lithium sulphur, lithium air also receive the extensive concern of domestic scholars.The main factory of battery production
Jia You electrical machinery of Japanese sanyo Co., Ltd., Sony Corporation of Japan, Nippon Electric Company, Ltd., Samsung SDI company, South Korea, South Korea LG
Company, Biyadi Co Ltd, Lishen Battery Co., Ltd., Tianjin, the Hong Kong ATL New Energy Technology Co., Ltd.,
The Bike Battery Co., Ltd., Shenzhen city BAK, Taiwan Nengyuan Science & Technology Co. Ltd., A123 company, the U.S. etc..
In practical application, power battery is generally fitted provided with battery management system, and battery management system passes through to battery electricity
Pressure, electric current and temperature real-time monitoring estimate its internal state, to carry out the drop such as battery energy management, balanced management, heat management
Low battery difference improves battery pack service performance, extends the battery cyclic service life.Foreign countries are to cell management system of electric automobile
Research starting is more early, has nowadays formd more perfect technical system.General Motors Overseas Corporation devises intelligent battery
Management module system, the intelligence system acquire battery status parameter using distributed way, have the function such as automatic overcharge monitoring
Energy.The battery management system of Siemens exploitation is using the Charge Management of battery pack as systematic research core；Japan
The battery management system of Honda Company's exploitation is mainly safe as research emphasis to use, and devises inertia control switch and high pressure
Electrical system safety monitors system.Domestic battery management system manufacturer mainly have hundred million can, power is high, hat is opened up and Mo Gong Deng company,
These products mainly realize the monitoring of battery state parameter, management of charging and discharging, SOC/SOH estimation and with the function such as external communication
Energy.
Make a general survey of the current research work in relation to battery and management system, the production of battery and its management system and research and development producer
Difference, domestic electric car enterprise or battery enterprise focus on by outsourcing and improvement etc. complete battery pack design and with electricity
Integrating for pond management system, does not carry out battery and the research of battery management system characteristic in a deep going way, while not being directed to different batteries yet
The matching correct of group structure expansion battery management system, this is also being widely used with electric car, various failures and accident
But one of the reason of coveing with shade for its popularization.
Summary of the invention
In view of the above-mentioned problems, the invention proposes one kind for feeling concerned about in battery pack and battery management system matching test
System, the centring system can realize the characteristic test of power battery pack and battery management system, be battery pack and battery management system
Matching provides guidance.It adopts the following technical scheme that
One kind being used for battery pack and battery management system matching test centring system, comprising:
Battery performance test module: battery constant current/pulse/HPPC testing scheme is formulated with reference to national standard, centring system passes through
Current data in testing scheme is transferred to battery performance test platform by network communication, and battery performance test platform is according to the electric current received
Data complete dependence test, and acquire voltage, electric current and temperature data under different operating conditions, and the related data based on acquisition is established
Toroidal function between model parameter capacity, internal resistance, capacitor, open-circuit voltage etc. and temperature, state-of-charge and recycle ratio.
Voltage, electric current and temperature accuracy test module: hardware-in―the-loop test platform and battery management system master control borad receive
Centring system is existed by the set amount of the battery management system measurement parameter voltage of network communication and transmission, electric current and temperature, hardware
Programmable power and analog output boards reference settings amount in ring test platform export cell voltage, electric current and temperature respectively；
The imitated output quantities such as voltage plate and electric current plate difference collection voltages, temperature and electric current in battery management system, and pass through CAN communication
Sampled value is transferred to master control borad to analyze difference between collection capacity and set amount.
State-of-charge and service life state accuracy test module: based on establishing model parameter curved surface in battery performance test module
Function constructs single battery simulation model with reference to single order RC equivalent-circuit model, establishes battery according to actual battery group topological structure
Group simulation model；Using current data in constant current and pulse test scheme as mode input parameter, emulation is obtained under different operating conditions
Cell voltage and temperature data are calculated corresponding state-of-charge and service life state, and it are given by network communication and transmission
Battery management system master control borad；Hardware-in―the-loop test platform receives cell voltage, the electric current that Propagation Simulation in network communication obtains
And temperature data, programmable power and analog output boards difference output voltage, electric current and temperature；Voltage in battery management system
Plate acquires corresponding imitated output quantity respectively to electric current plate to estimate battery charge state and service life state, and will by CAN communication
Estimator is transferred to master control borad with difference between comparative analysis estimator and simulation value.
Fault diagnosis accuracy rate and response time test module: bent based on model parameter is established in battery performance test module
Surface function constructs single battery simulation model with reference to single order RC equivalent-circuit model, establishes electricity according to actual battery group topological structure
Pond group simulation model；The fault-signals state such as single battery short circuit, open circuit in artificial battery group model is set, different faults are obtained
Voltage and current data under state；Hardware-in―the-loop test platform receives the emulation voltage and current number transmitted in network communication
According to programmable power and analog output boards export the voltage and current under different faults state respectively；In battery management system
Voltage plate acquires corresponding analog quantity to electric current plate respectively, and it is accurate to obtain fault diagnosis by the comparison of emulation data and acquisition data
Rate and response time.
Beneficial effects of the present invention:
The invention proposes one kind can be to electricity for battery pack and battery management system matching test centring system, the system
In the management system of pond cell voltage, electric current and temperature acquisition precision analyzed, achievable battery charge state and service life state
The analysis of estimation precision, the judgement that can also realize fault diagnosis accuracy rate and response time in battery management system；In addition, this is
System can also carry out test analysis to various configuration battery performance, be ground with completing the matching of power battery and battery management system
Study carefully, extend battery pack service life, provides possibility to improve electric car safety and reliability.
Detailed description of the invention
Fig. 1 is center system schematic.
Fig. 2 is system communication logic chart.
Specific embodiment
The present invention will be further elaborated with reference to the accompanying drawings and examples, but protection scope of the present invention and unlimited
In this.
As shown in Figure 1, centring system includes four module, respectively battery performance test module, voltage, electric current and temperature
Accuracy test module, state-of-charge and service life state accuracy test module and fault diagnosis accuracy rate and response time test mould
Block.
When in battery performance test state, centring system is by TCP/IP communication, as shown in Fig. 2, by the battery of formulation
Constant current/pulse/HPPC testing scheme current data is transferred to battery performance test platform, and battery performance test platform is according to the electricity received
Flow data carries out dependence test, and synchronous acquisition cell voltage, electric current and temperature data to battery；With reference to single order RC equivalent circuit
Model recognizes the model parameter under different operating conditions, establishes model parameter capacity, internal resistance, capacitor, open-circuit voltage etc. and temperature
Toroidal function between degree, state-of-charge and recycle ratio, toroidal function fitting are optimized based on least square toroidal function.
In when analyzing voltage, electric current and temperature accuracy, centring system passes through TCP/IP communication, as shown in Fig. 2,
The set amount of measurement parameter voltage, electric current and temperature is transferred to hardware-in―the-loop test platform NI real-time simulation machine and battery management
Systematic master control board, NI real-time simulation machine reference settings value control programmable power and analog output boards export respective battery respectively
Voltage, electric current and temperature simulation amount；The moulds such as voltage plate and electric current plate difference collection voltages, temperature and electric current in battery management system
Quasi- output quantity, and sampled value is transferred to by master control borad by CAN communication, master control borad obtains the comparative analysis of set amount and sampled value
To battery management system voltage, electric current and temperature sampling precision.
Centring system runs state-of-charge and when service life state accuracy test module, based on building in battery performance test module
Formwork erection shape parameter toroidal function constructs single battery simulation model with reference to single order RC equivalent-circuit model, opens up according to actual battery group
It flutters structure and establishes battery pack simulation model；Using current data in constant current and pulse test scheme as mode input parameter, emulation
Cell voltage and temperature data under different operating conditions are obtained, corresponding state-of-charge and service life state is calculated, and passed through
TCP/IP communication is transferred to battery management system master control borad, and specific transmission flow is referring to fig. 2；Hardware-in―the-loop test platform receives
Cell voltage, electric current and the temperature data that the emulation that TCP/IP communication transmission comes obtains, programmable power and analog output boards
Relevant voltage, electric current and temperature simulation amount respectively；In battery management system voltage plate acquired respectively to electric current plate it is corresponding simulate it is defeated
Output simultaneously estimates battery charge state and service life state simultaneously, and estimator is then transferred to master control borad with right by CAN communication
Than difference between analysis estimator and simulation value.
In when testing fault diagnosis accuracy rate and response time, based on establishing mould in battery performance test module
Shape parameter toroidal function constructs single battery simulation model with reference to single order RC equivalent-circuit model, according to actual battery group topology knot
Construct vertical battery pack simulation model；Centring system passes through the fault-signals shapes such as single battery short circuit, open circuit in setting simulation model
State obtains the voltage and current data under different faults state；Centring system is by TCP/IP communication, referring to fig. 2, by respective counts
According to hardware-in―the-loop test platform NI real-time simulation machine is transferred to, programmable power and analog output boards are based on this output different event
Voltage and current under barrier state；Voltage plate analog quantity corresponding to electric current plate acquisition in battery management system, and pass through CAN communication
Acquisition data are transferred to master control borad, master control borad obtains battery management system to failure to the comparison of emulation data and acquisition data
The accuracy rate of judgement and response time.
The series of detailed descriptions listed above only for feasible embodiment of the invention specifically
Protection scope bright, that they are not intended to limit the invention, it is all without departing from equivalent implementations made by technical spirit of the present invention
Or change should all be included in the protection scope of the present invention.
Claims (4)
1. one kind is used for battery pack and battery management system matching test centring system characterized by comprising battery performance is surveyed
Die trial block, voltage, electric current and temperature accuracy test module, state-of-charge and service life state accuracy test module and failure are examined
Disconnected accuracy rate and response time test module；
The battery performance test module: battery constant current/pulse/HPPC testing scheme, the centring system are formulated with reference to national standard
Current data in testing scheme is transferred to battery performance test platform by network communication, battery performance test platform is according to receiving
Current data completes dependence test, and acquires voltage, electric current and temperature data under different operating conditions, the related data based on acquisition
Establish toroidal function between model parameter capacity, internal resistance, capacitor, open-circuit voltage and temperature, state-of-charge and recycle ratio；
The voltage, electric current and temperature accuracy test module: hardware-in―the-loop test platform and battery management system master control borad receive
The centring system is by the set amount of the battery management system measurement parameter voltage of network communication and transmission, electric current and temperature, firmly
Programmable power and analog output boards reference settings amount of the part in ring test platform export cell voltage, electric current and temperature respectively
Degree；The imitated output quantities such as voltage plate and electric current plate difference collection voltages, temperature and electric current in battery management system, and pass through CAN
Sampled value is transferred to master control borad to analyze difference between collection capacity and set amount by communication；
The state-of-charge and service life state accuracy test module: based on establishing model parameter curved surface in battery performance test module
Function constructs single battery simulation model with reference to single order RC equivalent-circuit model, establishes battery according to actual battery group topological structure
Group simulation model；Using current data in constant current and pulse test scheme as mode input parameter, emulation is obtained under different operating conditions
Cell voltage and temperature data are calculated corresponding state-of-charge and service life state, and it are given by network communication and transmission
Battery management system master control borad；Hardware-in―the-loop test platform receives cell voltage, the electric current that Propagation Simulation in network communication obtains
And temperature data, programmable power and analog output boards difference output voltage, electric current and temperature；Voltage in battery management system
Plate acquires corresponding imitated output quantity respectively to electric current plate to estimate battery charge state and service life state, and will by CAN communication
Estimator is transferred to master control borad with difference between comparative analysis estimator and simulation value；
The fault diagnosis accuracy rate and response time test module: bent based on model parameter is established in battery performance test module
Surface function constructs single battery simulation model with reference to single order RC equivalent-circuit model, establishes electricity according to actual battery group topological structure
Pond group simulation model；The fault-signals state such as single battery short circuit, open circuit in artificial battery group model is set, different faults are obtained
Voltage and current data under state；Hardware-in―the-loop test platform receives the emulation voltage and current number transmitted in network communication
According to programmable power and analog output boards export the voltage and current under different faults state respectively；In battery management system
Voltage plate acquires corresponding analog quantity to electric current plate respectively, and it is accurate to obtain fault diagnosis by the comparison of emulation data and acquisition data
Rate and response time.
2. according to claim 1 a kind of for battery pack and battery management system matching test centring system, feature
Be, when being in battery performance test state, the centring system by TCP/IP communication, by battery constant current/pulse of formulation/
HPPC testing scheme current data is transferred to battery performance test platform.
3. according to claim 1 a kind of for battery pack and battery management system matching test centring system, feature
It is, the fitting of the toroidal function is used to be optimized based on least square toroidal function.
4. according to claim 1 a kind of for battery pack and battery management system matching test centring system, feature
It is, the communication mode and hardware-in―the-loop test platform NI real-time simulation machine and cell tube that the centring system passes through TCP/IP
Reason systematic master control board carries out transmission data.
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108055247A (en) * | 2017-11-30 | 2018-05-18 | 深圳市科列技术股份有限公司 | Access method, information processing method and the server of battery data system |
| TWI657639B (en) * | 2017-12-04 | 2019-04-21 | Industrial Technology Research Institute | Method and system for determining a discharging flow of a battery |
| CN112394288B (en) * | 2019-08-14 | 2022-03-15 | 比亚迪股份有限公司 | Test system and test method for battery management system |
| CN110545218A (en) * | 2019-09-05 | 2019-12-06 | 北京邮电大学 | TCP performance monitoring method and device |
| CN110780140A (en) * | 2019-11-14 | 2020-02-11 | 国网江苏省电力有限公司电力科学研究院 | Battery management system testing method for energy storage power station |
| CN113188582B (en) * | 2021-04-14 | 2022-09-06 | 合肥国轩高科动力能源有限公司 | System and method for testing data acquisition precision of battery management system |
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| CN102862490A (en) * | 2012-09-19 | 2013-01-09 | 合肥工业大学 | Self-adaptive control method for battery management system for electric automobile |
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| CN102088118A (en) * | 2010-12-28 | 2011-06-08 | 深圳市航盛电子股份有限公司 | Battery management system, electric vehicle and state-of-charge estimation method |
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Effective date of registration: 20231101 Address after: No. 76, Yinhe Road, New District, Zhenjiang City, Jiangsu Province Patentee after: JIANGSU AUTOPARTS NEW ENERGY TECHNOLOGY Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University |