CN203673055U - Battery management system hardware-in-loop test platform rack - Google Patents
Battery management system hardware-in-loop test platform rack Download PDFInfo
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- CN203673055U CN203673055U CN201320614441.1U CN201320614441U CN203673055U CN 203673055 U CN203673055 U CN 203673055U CN 201320614441 U CN201320614441 U CN 201320614441U CN 203673055 U CN203673055 U CN 203673055U
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Abstract
The utility model discloses a battery management system hardware-in-loop test platform rack comprising a communication plate card, an analog battery group subsystem, a sensor plate card, a master controller and the like. The test platform rack generates analog signals according to data under actual working conditions, transmits the analog signals to a battery management system, acquires results output by the battery management system, analyzes the results and obtains test precision of the battery management system and accuracy in logic control and failure detection; automatic testing is achieved, the defects in manual testing are avoided, and testing accuracy and comprehensiveness are improved.
Description
Technical field
The utility model relates to technical field of new energies, particularly relates to a kind of battery management system hardware at ring test stand.
Background technology
Along with the aggravation of environmental pollution and energy resource consumption, electric automobile has become important developing direction.Electric automobile, mainly using power battery pack as core drive source, needs to use BMS(Battery Management System, battery management system in operational process at present) power battery pack is managed and security monitoring.
Compared with electric drive technology, car load control technology, both at home and abroad all stages in incomplete maturation of BMS technology, current subject matter concentrates on: the acquisition precision of basic parameter voltage, electric current and the temperature of battery is not ideal enough; High-Voltage Insulation Performance Detection precision deficiency; The battery thermal management degree that becomes more meticulous is inadequate; Failure response is perfect not with safeguard protection not in time; Part electric fault cannot detect and protect etc.And the quality of BMS design is related to the safety of service efficiency, cycle life and the car load of power battery pack, therefore try the stage on research and development, test and the road of BMS, the a set of testing apparatus that can simulate power battery pack Life cycle applying working condition need to be provided, BMS property indices is carried out to comprehensive, test fast, thereby promote the reliability and the time that shortens launch of BMS.
While, car load producer and operator also wished BMS to carry out unified demand management along with electric automobile market further develops.And the product specification of current each BMS producer differs, detect to the networking of BMS and brought larger difficulty with passing judgment on.Therefore need to provide a set of full automatic checkout equipment the quality and performance of BMS to be carried out fast, comprehensively detects and screen entering in network process, thereby provide important leverage for the safety and effectivity operation of electric automobile.
Current BMS checkout equipment has following feature: be all to detect for specific BMS product substantially, do not possess versatility; Be limited to manual test, the simulated battery group subsystem of checkout equipment does not possess the analog capability of Life cycle power battery pack operating mode, cannot verify the validation checking in BMS life cycle; Can not concentrate and coordinate to control various driving signals, thus the correctness that effectively access control strategy is realized; BMS electric fault detects with defencive function and cannot verify; The each parts of checkout equipment are separate, do not possess the ability of automatic test and assessment; Functional structure design is unreasonable, and during for different BMS demand, the reorganization cost of checkout equipment is higher.
Utility model content
Based on above-mentioned situation, the utility model proposes a kind of battery management system hardware at ring test stand, to increase test accuracy.
A kind of battery management system hardware is at ring test stand,
Comprise communication card, simulated battery group subsystem, sensor board and master controller;
Described in the actual operating mode control of the electric battery that described master controller is managed according to described battery management system, simulated battery group subsystem generates the simulate signal of described electric battery;
The described simulate signal generating is sent to described battery management system and described sensor board by described simulated battery group subsystem;
Described sensor board detects described simulate signal;
Described communication card gathers the testing result of described battery management system to described simulate signal;
By described battery management system, the testing result to described simulate signal and described sensor board compare the testing result of described simulate signal described master controller, show that described battery management system detects the precision of battery parameter.
The utility model adopts said structure to build a kind of battery management system hardware at ring test stand, realize automatic test, avoid the drawback of manual test, increase test accuracy, signal under can the various operating modes of simulated battery group Life cycle, thus battery management system is carried out to full test.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model battery management system hardware at one of them embodiment of ring test stand;
Fig. 2 is the structural representation of the utility model battery management system hardware at another embodiment of ring test stand;
Fig. 3 is the schematic flow sheet of the utility model battery management system hardware at one of them embodiment of ring test stand;
Fig. 4 is the schematic flow sheet of the utility model battery management system hardware at one of them embodiment of ring test stand.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is described in further detail.Should be appreciated that embodiment described herein, only in order to explain the utility model, does not limit protection domain of the present utility model.
The utility model battery management system hardware, at ring (Hardware-In-Loop, HIL) testboard bay, as shown in Figure 1, comprises communication card, simulated battery group subsystem, sensor board and master controller.Described in the actual operating mode control of the electric battery that described master controller is managed according to described battery management system, simulated battery group subsystem generates the simulate signal of described electric battery.The described simulate signal generating is sent to described battery management system and described sensor board by described simulated battery group subsystem.Described sensor board detects described simulate signal.Described communication card gathers the testing result of described battery management system to described simulate signal.By described battery management system, the testing result to described simulate signal and described sensor board compare the testing result of described simulate signal described master controller, show that described battery management system detects the precision of battery parameter.
From above content, this testboard bay first tested object of simulated battery management system is the various parameters of electric battery, generates described simulate signal, then simulate signal is issued to battery management system.Battery management system is tested simulate signal, and outputs test result.This testboard bay is by the test result of battery management system and the result comparison of testing oneself, and the result of testing oneself, as benchmark, is calculated the measuring accuracy of battery management system.
As a preferred embodiment, this testboard bay can also comprise car load signal imitation board.Described in the actual operating mode control of the electric battery that described master controller is managed according to described battery management system, car load signal imitation board generation whole vehicle control signal is connected signal with charging set.Described car load signal imitation board is connected signal by the described whole vehicle control signal generating and is sent to described battery management system with charging set.Described sensor board gathers the logic control output signal of described battery management system.Described master controller judges the accuracy of described battery management system logic control according to the logic control output signal of described sensor board collection.
Above-mentioned whole vehicle control signal is connected signal and belongs to the logical signal that triggering battery management system carries out state switching with charging set, these two kinds of signals are sent to battery management system, then gather the signal that battery management system sends, judge whether it sends correct logic control signal, thereby determine the accuracy of battery management system logic control function.
As a preferred embodiment, this testboard bay can also comprise fault injection board.Described in the actual operating mode control of the electric battery that described master controller is managed according to described battery management system, fault is injected board generation fault-signal.Described fault is injected board the described fault-signal generating is sent to described battery management system and described sensor board.Described sensor board and described communication card gather the testing result of described battery management system to described fault-signal.Described master controller judges the accuracy of described battery management system detection failure to the testing result of described fault-signal according to described battery management system.
If the measuring accuracy of battery management system meets the requirements, can further utilize above-mentioned fault to inject board battery management system is carried out to fault injection, and judge whether battery management system can detect fault or produce corresponding protection action.
As a preferred embodiment, also comprise interface switching board.Described communication card, described car load signal imitation board, described simulated battery group subsystem, described sensor board and described fault are injected board and are linked and connect described battery management system by described interface card extender respectively.
Described interface switching board, as its name suggests, plays the effect of interface switching, each interface of an edge joint battery management system, each board of this testboard bay of edge joint.If the specifications vary of battery management system, changes the interface switching board adapting, thereby improve the versatility of this testboard bay.
The tested object of this testboard bay is the battery management system of electric automobile, can also expand in addition the battery management system of electric bicycle and energy-accumulating power station, and wherein the battery management system of electric bicycle is called fender.
The interface of the battery management system of electric automobile comprises voltage temperature acquisition interface, bus current acquisition interface, car load signal input interface, logic control output interface, car load CAN bus interface and charging CAN bus interface.Described communication card gathers simulate signal testing result and the fault-signal testing result of described car load CAN bus interface and the output of described charging CAN bus interface by described interface switching board; Described car load signal imitation board is inputted described whole vehicle control signal by described interface switching board to described car load signal input interface and is connected signal with described charging set; Described simulated battery group subsystem sends described simulate signal by described interface switching board to described voltage temperature acquisition interface, described bus current acquisition interface and described sensor board; Described sensor board cartoon is crossed the clamping of described interface card extender and is received the logic control signal of described logic control output interface output; Described fault injection plate cartoon is crossed described interface switching board and is injected described fault-signal to described voltage temperature acquisition interface, described bus current acquisition interface and described car load signal input interface.
The simulate signal that simulated battery group subsystem generates, a road is sent to battery management system through described interface switching board, and riches all the way delivers to sensor board and is used for testing oneself.Described simulate signal preferably includes voltage signal and the temperature signal of the described batteries monomer battery voltage of simulation and temperature, and simulates the bus current signal of described electric battery bus current.Voltage signal and temperature signal are sent to voltage temperature acquisition interface, and bus current signal is sent to bus current acquisition interface.The internal components of battery management system detects voltage signal, temperature signal and bus current signal, and testing result is exported by car load CAN bus interface and charging CAN bus interface.
For the ease of showing the result of master controller, and provide human-computer interaction terminal, this testboard bay can also comprise human-computer interaction terminal, connect described master controller, for comparative result and the judged result of showing described master controller, and receive the test work step of testing operating mode described in command configuration in test case, in human-computer interaction terminal, preferably adopt LabView to control interface.
As a preferred embodiment, described master controller is the PXI master controller based on PXI bus.Described PXI master controller injects board with described communication card, car load signal imitation board, simulated battery group subsystem, sensor board and fault respectively by PXI bus and is connected.
Shown in Fig. 2, be an embodiment of this testboard bay, in the present embodiment, described communication card, described car load signal imitation board, described simulated battery group subsystem, described sensor board and described fault are injected board, described PXI master controller, described test case library and described human-computer interaction terminal and are combined, form HIL mainframe, described interface switching board is positioned over outside HIL mainframe, so that change.Introduce the testing process of this testboard bay below.
As shown in Figure 3, first, PXI master controller is read test operating mode from test case library, and move electric automobile power battery group Work condition analogue assembly, the test regime decomposition reading is become suitable test work step set by simulated assembly, PXI master controller is for the output of each test work step control simulation electric battery subsystem and car load signal imitation board, the actual condition of emulation BMS, then PXI master controller obtains the value (actual value) of simulation data by sensor board, obtain BMS collection result (measured value) by communication card, and compare, if BMS collection result and actual value are not inconsistent or error exceeds threshold value, record next defective index, finally judge whether to have completed the test of all work steps, if do not completed, repeat above-mentioned work step test process, if completed, gather all defective records and generate testing journal sheet, test result and report display are controlled on interface to Labview.This flow process can be made detection accurately to every precision index of BMS and state switching.
The flow process that Fig. 4 has added fault to inject on the basis of quick-reading flow sheets, on the basis of Fig. 3, if the accuracy detection index of specific work step meets the requirements, further the each signal input channel of BMS is injected to fault, if BMS can not detect the fault of injection and maybe cannot produce corresponding protection action, record this protection failure error, finally judge whether that signal input channel is not implemented fault injection in addition, if had, open the fault of next signal input channel and inject testing process, so far the fault that has just completed single work step is injected detection, in the time that all work step nonconformances gather, need to add fault to inject and detect mistake to judge that whether BMS is qualified to the response of fault.
The above embodiment has only expressed several embodiment of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection domain of the present utility model.Therefore, the protection domain of the utility model patent should be as the criterion with claims.
Claims (8)
1. battery management system hardware, at a ring test stand, is characterized in that,
Comprise communication card, simulated battery group subsystem, sensor board and master controller;
Described in the actual operating mode control of the electric battery that described master controller is managed according to described battery management system, simulated battery group subsystem generates the simulate signal of described electric battery;
The described simulate signal generating is sent to described battery management system and described sensor board by described simulated battery group subsystem;
Described sensor board detects described simulate signal;
Described communication card gathers the testing result of described battery management system to described simulate signal;
By described battery management system, the testing result to described simulate signal and described sensor board compare the testing result of described simulate signal described master controller, show that described battery management system detects the precision of battery parameter.
2. battery management system hardware according to claim 1, at ring test stand, is characterized in that,
Also comprise car load signal imitation board;
Described in the actual operating mode control of the electric battery that described master controller is managed according to described battery management system, car load signal imitation board generation whole vehicle control signal is connected signal with charging set;
Described car load signal imitation board is connected signal by the described whole vehicle control signal generating and is sent to described battery management system with charging set;
Described sensor board gathers the logic control output signal of described battery management system;
Described master controller judges the accuracy of described battery management system logic control according to the logic control output signal of described sensor board collection.
3. battery management system hardware according to claim 2, at ring test stand, is characterized in that,
Also comprise fault injection board;
Described in the actual operating mode control of the electric battery that described master controller is managed according to described battery management system, fault is injected board generation fault-signal;
Described fault is injected board the described fault-signal generating is sent to described battery management system and described sensor board;
Described sensor board and described communication card gather the testing result of described battery management system to described fault-signal;
Described master controller judges the accuracy of described battery management system detection failure to the testing result of described fault-signal according to described battery management system.
4. battery management system hardware according to claim 3, at ring test stand, is characterized in that,
Also comprise interface switching board;
Described communication card, described car load signal imitation board, described simulated battery group subsystem, described sensor board and described fault are injected board and are linked and connect described battery management system by described interface card extender respectively.
5. battery management system hardware according to claim 4, at ring test stand, is characterized in that,
Described simulate signal comprises voltage signal and the temperature signal of the described batteries monomer battery voltage of simulation and temperature, and simulates the bus current signal of described electric battery bus current.
6. battery management system hardware according to claim 5, at ring test stand, is characterized in that,
The interface of described battery management system comprises voltage temperature acquisition interface, bus current acquisition interface, car load signal input interface, logic control output interface, car load CAN bus interface and charging CAN bus interface;
Described communication card gathers simulate signal testing result and the fault-signal testing result of described car load CAN bus interface and the output of described charging CAN bus interface by described interface switching board;
Described car load signal imitation board is inputted described whole vehicle control signal by described interface switching board to described car load signal input interface and is connected signal with described charging set;
Described simulated battery group subsystem sends described simulate signal by described interface switching board to described voltage temperature acquisition interface, described bus current acquisition interface and described sensor board;
Described sensor board cartoon is crossed the clamping of described interface card extender and is received the logic control signal of described logic control output interface output;
Described fault injection plate cartoon is crossed described interface switching board and is injected described fault-signal to described voltage temperature acquisition interface, described bus current acquisition interface and described car load signal input interface.
According to the battery management system hardware described in claim 1 or 2 or 3 or 4 or 5 or 6 at ring test stand, it is characterized in that,
Also comprise human-computer interaction terminal, connect described master controller, for showing comparative result and the judged result of described master controller, and receive the test work step of testing operating mode described in command configuration in test case.
According to the battery management system hardware described in claim 3 or 4 or 5 or 6 at ring test stand, it is characterized in that,
Described master controller is the PXI master controller based on PXI bus;
Described PXI master controller injects board with described communication card, car load signal imitation board, simulated battery group subsystem, sensor board and fault respectively by PXI bus and is connected.
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| CN103543640A (en) * | 2013-09-30 | 2014-01-29 | 广东电网公司电力科学研究院 | Test system for battery management system |
| CN105353755A (en) * | 2015-12-15 | 2016-02-24 | 中国航空工业集团公司北京长城航空测控技术研究所 | Multifunctional fault injection device based on PXI bus |
| 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 |
| CN108107373A (en) * | 2017-12-15 | 2018-06-01 | 上海璞恒新能源科技有限公司 | A kind of BMS test methods and system |
| CN108536124A (en) * | 2018-03-29 | 2018-09-14 | 南京越博动力系统股份有限公司 | It is capable of the automatic fault injected system and its self checking method of self detection and protection |
| CN108983742A (en) * | 2017-11-27 | 2018-12-11 | 上海航天测控通信研究所 | A kind of method and device thereof for assessing monomer Balance route testing efficiency |
| CN109142920A (en) * | 2018-08-09 | 2019-01-04 | 香港生产力促进局 | It is configurable to the battery simulation system and method for detection BMS function |
| CN110456761A (en) * | 2019-07-17 | 2019-11-15 | 中国第一汽车股份有限公司 | Test macro, method and the vehicle of energy management apparatus |
| CN110879588A (en) * | 2019-12-05 | 2020-03-13 | 重庆长安新能源汽车科技有限公司 | Design method of test system combining pure electric three-electric ECU (electronic control Unit) with HIL (high-level integrated Circuit) rack |
| CN111273133A (en) * | 2019-11-06 | 2020-06-12 | 浙江零跑科技有限公司 | Insulation detection circuit diagnosis function test system and diagnosis method thereof |
| CN112285463A (en) * | 2020-10-13 | 2021-01-29 | 安徽锐能科技有限公司 | Testing device and method for lithium battery protection board and storage medium |
| CN112612666A (en) * | 2020-12-29 | 2021-04-06 | 上海法雷奥汽车电器系统有限公司 | Test control method and device, computer equipment and readable storage medium |
| CN112858976A (en) * | 2019-11-27 | 2021-05-28 | 大众汽车股份公司 | Method for detecting a thermal event of an electrical energy store in a vehicle |
| CN112859637A (en) * | 2019-11-26 | 2021-05-28 | 北京国电思达科技有限公司 | Wind turbine generator system simulation system |
| CN113050590A (en) * | 2021-03-08 | 2021-06-29 | 上海金脉汽车电子有限公司 | BMS controller testing system and method |
| CN113495545A (en) * | 2020-03-18 | 2021-10-12 | 纬湃科技投资(中国)有限公司 | System and method for testing vehicle equipment controller using in-loop hardware |
| CN113960475A (en) * | 2021-10-26 | 2022-01-21 | 广州巨湾技研有限公司 | Method for rapidly switching test models of different items |
| CN114624610A (en) * | 2022-02-14 | 2022-06-14 | 东风汽车股份有限公司 | Vehicle charging and discharging function testing method |
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| CN103543640B (en) * | 2013-09-30 | 2015-11-18 | 广东电网公司电力科学研究院 | The test macro of battery management system |
| CN103543640A (en) * | 2013-09-30 | 2014-01-29 | 广东电网公司电力科学研究院 | Test system for battery management system |
| CN105353755A (en) * | 2015-12-15 | 2016-02-24 | 中国航空工业集团公司北京长城航空测控技术研究所 | Multifunctional fault injection device based on PXI bus |
| CN105353755B (en) * | 2015-12-15 | 2018-05-01 | 中国航空工业集团公司北京长城航空测控技术研究所 | Multi-functional fault injection device based on PXI buses |
| 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 |
| CN108983742A (en) * | 2017-11-27 | 2018-12-11 | 上海航天测控通信研究所 | A kind of method and device thereof for assessing monomer Balance route testing efficiency |
| CN108107373A (en) * | 2017-12-15 | 2018-06-01 | 上海璞恒新能源科技有限公司 | A kind of BMS test methods and system |
| CN108536124A (en) * | 2018-03-29 | 2018-09-14 | 南京越博动力系统股份有限公司 | It is capable of the automatic fault injected system and its self checking method of self detection and protection |
| CN109142920A (en) * | 2018-08-09 | 2019-01-04 | 香港生产力促进局 | It is configurable to the battery simulation system and method for detection BMS function |
| CN110456761A (en) * | 2019-07-17 | 2019-11-15 | 中国第一汽车股份有限公司 | Test macro, method and the vehicle of energy management apparatus |
| CN110456761B (en) * | 2019-07-17 | 2020-09-11 | 中国第一汽车股份有限公司 | Energy management device testing system and method and vehicle |
| CN111273133A (en) * | 2019-11-06 | 2020-06-12 | 浙江零跑科技有限公司 | Insulation detection circuit diagnosis function test system and diagnosis method thereof |
| CN111273133B (en) * | 2019-11-06 | 2022-03-18 | 浙江零跑科技股份有限公司 | Insulation detection circuit diagnosis function test system and diagnosis method thereof |
| CN112859637B (en) * | 2019-11-26 | 2024-01-23 | 北京国电思达科技有限公司 | Wind turbine generator system simulation system |
| CN112859637A (en) * | 2019-11-26 | 2021-05-28 | 北京国电思达科技有限公司 | Wind turbine generator system simulation system |
| CN112858976A (en) * | 2019-11-27 | 2021-05-28 | 大众汽车股份公司 | Method for detecting a thermal event of an electrical energy store in a vehicle |
| CN110879588A (en) * | 2019-12-05 | 2020-03-13 | 重庆长安新能源汽车科技有限公司 | Design method of test system combining pure electric three-electric ECU (electronic control Unit) with HIL (high-level integrated Circuit) rack |
| CN113495545A (en) * | 2020-03-18 | 2021-10-12 | 纬湃科技投资(中国)有限公司 | System and method for testing vehicle equipment controller using in-loop hardware |
| CN112285463A (en) * | 2020-10-13 | 2021-01-29 | 安徽锐能科技有限公司 | Testing device and method for lithium battery protection board and storage medium |
| CN112612666A (en) * | 2020-12-29 | 2021-04-06 | 上海法雷奥汽车电器系统有限公司 | Test control method and device, computer equipment and readable storage medium |
| CN113050590A (en) * | 2021-03-08 | 2021-06-29 | 上海金脉汽车电子有限公司 | BMS controller testing system and method |
| CN113960475A (en) * | 2021-10-26 | 2022-01-21 | 广州巨湾技研有限公司 | Method for rapidly switching test models of different items |
| CN114624610A (en) * | 2022-02-14 | 2022-06-14 | 东风汽车股份有限公司 | Vehicle charging and discharging function testing method |
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