CN103048615A - Test system and test method of electric automobile high-voltage electric system - Google Patents
Test system and test method of electric automobile high-voltage electric system Download PDFInfo
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Abstract
The invention discloses a test system and a test method of an electric automobile high-voltage electric system. The test system comprises a master control PC (Personal Computer), a batter management system, a to-be-tested high-voltage electric system, a discharging cabinet, a charging cabinet, a constant-current source, a constant-voltage source, an environment simulation box, a rain simulation box, a salt mist simulation box and a test battery set, wherein the battery management system and the to-be-tested high-voltage electric system are controlled by the master control PC. The test method comprises conventional function test steps and reliability test steps. According to the test system and the test method, disclosed by the invention, a standard system and a test label are adopted for testing the electric automobile high-voltage electric system, the defect of the nonstandard test of an existing high-voltage electric system is removed, the quality test of the high-voltage electric system is evidence-based, the operability and the controllability of the high-voltage electric system are increased, the unification of the test method of the electric automobile high-voltage electric system and the test standard is promoted, a severe automobile working condition can be adapted by the high-voltage electric system, the quality of the high-voltage electric system is increased, the safety of a passenger is increased, and the development of a new-energy electric automobile industry is facilitated.
Description
Technical field
The present invention relates to a kind of measuring technology of electric automobile high-voltage electrical system.
Background technology
In the exploitation just like a raging fire, a use therein high-voltage electric system part is that battery producer oneself develops to the electric automobile of at present energy-conserving and environment-protective throughout the country, and their technological core is battery, and the development and production of high-voltage electric system is unprofessional; Even if the battery management system company of most of high-voltage electric system specialty produces in addition, but does not have at present high-voltage electric system testing standard and method of testing, its reliability and security all can not get ensureing.
Summary of the invention
In view of this, one of the technical problem to be solved in the present invention provide a kind of be convenient to the electric automobile high-voltage electrical system carry out effectively, electric automobile high-voltage electrical system test macro and the method for testing of standardized test.
In order to solve the problems of the technologies described above, this technical matters adopts following solution:
A kind of electric automobile high-voltage electrical system test macro, comprise discharge cabinet, the analog charge process of the PC of master control and the battery management system by PC control and high-voltage electric system to be tested, simulation discharge process charging cabinet, for generation of the constant current source of steady current, for generation of the constant pressure source of constant voltage, be used for simulation design temperature and humidity environment environmental chamber, be used for the simulation rain spraying environment the simulation box of drenching with rain, be used for salt fog simulation box and the testing battery group of simulation salt mist environment.
Wherein, in PC, be provided with the CAN card, be connected with the CAN bus by the CAN card between PC and battery management system and the high-voltage electric system to be tested.
A kind of electric automobile high-voltage electrical system method of testing, this method of testing comprises conventional func testing procedure and reliability testing step, wherein, conventional func is surveyed step and is comprised:
A1. high-voltage electric system relay test, send a triggering command by PC, force corresponding relay closes, whether closedly detect corresponding relay, observe pilot lamp corresponding on the PC interface and whether " light ", and one by one the secondary in the high-voltage electric system and three grades of relays are tested;
B1. test is carried out in software control, opens high-voltage electric system and battery management system, and battery management system is entered discharge condition and charged state from closed condition, detects battery management system and whether can normally control each relay work;
C1. fuse link test, open high-voltage electric system and battery management system, technical specification book according to fuse, by the value of regulating constant potential source output voltage and the value of constant current source output current, detect the inner fuse of high-voltage electric system and whether can normally fuse according to the technical specification book at the protection point respectively;
Wherein, reliability testing step:
A2. hot operation test and cold operation test, the environmental chamber temperature is separately positioned under high temperature test temperature and the low-temperature test temperature, humidity is set between the humidity 90 ± 5%, open high-voltage electric system and battery management system, continue the default test duration, can can the testing high voltage electrical system work, accurately control each relay, and whether total voltage, electric current show normal;
B2. the test of drenching with rain seals the import and export of high-voltage electric system, puts into the simulation box of drenching with rain and tests, and whether testing high voltage electrical system inside has obvious water droplet or ponding;
C2. salt spray test, high-voltage electric system is put into the salt fog simulation box, and make the high-voltage electric system surface become 15 °～30 ° with vertical direction, regulate salt fog simulation the temperature inside the box, pressure according to testing requirements, to high-voltage electric system surface sprinkling salt fog, whether continuously the spraying schedule time, detecting high-voltage electric system surface and inner metal surfaces has corrosion;
D2. dielectric voltage withstand test, make high-voltage electric system keep open-circuit condition, between the high-voltage electric system live terminal and the sinusoidal voltage that applies requirement between live terminal and the battery management system housing, detect and in applying voltage course, whether occur puncturing and electric arc.Can not occur in the test puncturing and electric arc, the high-voltage electric system function is normal after the test, without electric fault.
Wherein, in the b1 step in the conventional func testing procedure, the standard that detects software control execution test is: the discharge process relay closes sequentially is the pre-charge-relay in the first closed high electrical system, then closure always just and is always being born relay, and the pilot lamp of three relays has " lighting " to be shown as normally; The charging process relay closes sequentially is the closed pre-charge-relay of elder generation, and closure always just and is always born relay again, last closed charge relay, and the pilot lamp of four relays has " lighting " to be shown as normally.
Wherein, in the a2 step in the reliability testing step, described high temperature test temperature is 65 ± 5 ℃, and described low-temperature test temperature is-20 ± 5 ℃, and at high temperature the continuance test time is 96 ± 6 hours, and the continuance test time is 24 ± 4 hours at low temperatures.
Wherein, in the c2 salt spray test step in the reliability testing step, salt fog simulation the temperature inside the box is between 35 ± 5 ℃, pressure is between 70kPa～170kPa, and the time of spraying continuously salt fog is 24 ± 4 hours.
Wherein, in the c2 salt spray test step in the reliability testing step, salt fog is 5 ± 1% NaCL solution, and pH value is between 6.5～7.2.
Wherein, in the d2 of reliability testing step dielectric voltage withstand testing procedure, this sinusoidal voltage value is that 1000 ± 2V, frequency are 50～60Hz, 60 ± 10 seconds duration.
The present invention adopts standardized system and test mark that the electric automobile high-voltage electrical system is tested, eliminate existing high-voltage electric system and tested nonstandard defective, make the attribute test of high-voltage electric system evidence-based, increase its operability and controllability, promoted electric automobile high-voltage electrical system detection method and examination criteria unified, make high-voltage electric system satisfy abominable vehicle behavior, promoted the high-voltage electric system quality, increase by bus personnel's security, be beneficial to the New-energy electric vehicle industry development.
Description of drawings
Fig. 1 is embodiment of the invention principle schematic.
Embodiment
For the ease of it will be appreciated by those skilled in the art that below in conjunction with embodiment the present invention is described in further detail:
The electric automobile high-voltage electrical system test macro theory of constitution figure that discloses for the present embodiment as shown in Figure 1.This test macro comprises the PC 1 of master control and passes through the battery management system of PC 1 control and high-voltage electric system 2 to be tested, the discharge cabinet 3 of simulation discharge process, the charging cabinet 4 of analog charge process, constant current source 5 for generation of steady current, constant pressure source 6 for generation of constant voltage, the environmental chamber 7 that is used for simulation design temperature and humidity environment, the simulation box 8 of drenching with rain that is used for the simulation rain spraying environment, the salt fog simulation box 9 and the testing battery group 10 that are used for the simulation salt mist environment, and, in PC 1, be provided with the CAN card, be connected with the CAN bus by the CAN card between PC and battery management system and the high-voltage electric system to be tested.
In the present embodiment, above-mentioned discharge cabinet 3, charging cabinet 4, constant current source 5, constant pressure source 6 all can adopt existing technology commonly used, and therefore not to repeat here.And all can be designed to airtight body structure for environmental chamber 7, the simulation box 8 of drenching with rain, salt fog simulation box 9, the internal condition test need to arrange heating element, water injector, temperature sensor and humidity sensor etc., for corresponding those skilled in the art, can obtain according to the technical know-how of itself grasping, also not give unnecessary details one by one at this.
During test, the concrete grammar step comprises conventional func testing procedure and reliability testing step, and wherein, conventional func is surveyed step and comprised:
A1. high-voltage electric system relay test, send a triggering command by PC, force corresponding relay closes, whether closedly detect corresponding relay, observe pilot lamp corresponding on the PC interface and whether " light ", and one by one the secondary in the high-voltage electric system and three grades of relays are tested;
B1. test is carried out in software control, opens high-voltage electric system and battery management system, and battery management system is entered discharge condition and charged state from closed condition, detects battery management system and whether can normally control each relay work;
C1. fuse link test, open high-voltage electric system and battery management system, technical specification book according to fuse, by the value of regulating constant potential source output voltage and the value of constant current source output current, detect the inner fuse of high-voltage electric system and whether can normally fuse according to the technical specification book at the protection point respectively;
Wherein, reliability testing step:
A2. hot operation test and cold operation test, the environmental chamber temperature is separately positioned under high temperature test temperature and the low-temperature test temperature, humidity is set between the humidity 90 ± 5%, open high-voltage electric system and battery management system, continue the default test duration, can can the testing high voltage electrical system work, accurately control each relay, and whether total voltage, electric current show normal;
B2. the test of drenching with rain seals the import and export of high-voltage electric system, puts into the simulation box of drenching with rain and tests, and whether testing high voltage electrical system inside has obvious water droplet or ponding;
C2. salt spray test, high-voltage electric system is put into the salt fog simulation box, and make the high-voltage electric system surface become 15 °～30 ° with vertical direction, regulate salt fog simulation the temperature inside the box, pressure according to testing requirements, to high-voltage electric system surface sprinkling salt fog, whether continuously the spraying schedule time, detecting high-voltage electric system surface and inner metal surfaces has corrosion;
D2. dielectric voltage withstand test, make high-voltage electric system keep open-circuit condition, between the high-voltage electric system live terminal and the sinusoidal voltage that applies requirement between live terminal and the battery management system housing, detect and in applying voltage course, whether occur puncturing and electric arc.Can not occur in the test puncturing and electric arc, the high-voltage electric system function is normal after the test, without electric fault.
Wherein, in the b1 step in the conventional func testing procedure, the standard that detects software control execution test is: the discharge process relay closes sequentially is the pre-charge-relay in the first closed high electrical system, then closure always just and is always being born relay, and the pilot lamp of three relays has " lighting " to be shown as normally; The charging process relay closes sequentially is the closed pre-charge-relay of elder generation, and closure always just and is always born relay again, last closed charge relay, and the pilot lamp of four relays has " lighting " to be shown as normally.
Wherein, in the a2 step in the reliability testing step, described high temperature test temperature is 65 ± 5 ℃, and described low-temperature test temperature is-20 ± 5 ℃, and at high temperature the continuance test time is 96 ± 6 hours, and the continuance test time is 24 ± 4 hours at low temperatures.
Wherein, in the c2 salt spray test step in the reliability testing step, salt fog simulation the temperature inside the box is between 35 ± 5 ℃, pressure is between 70kPa～170kPa, and the time of spraying continuously salt fog is 24 ± 4 hours.
Wherein, in the c2 salt spray test step in the reliability testing step, salt fog is 5 ± 1% NaCL solution, and pH value is between 6.5～7.2.
Wherein, in the d2 of reliability testing step dielectric voltage withstand testing procedure, this sinusoidal voltage value is that 1000 ± 2V, frequency are 50～60Hz, 60 ± 10 seconds duration.
Above-described embodiment only is wherein specific implementation of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these apparent replacement forms all belong to protection scope of the present invention.
Claims (8)
1. electric automobile high-voltage electrical system test macro, it is characterized in that, comprise the PC (1) of master control and by the battery management system of PC control and high-voltage electric system (2) to be tested, the discharge cabinet (3) of simulation discharge process, the charging cabinet of analog charge process (4), constant current source (5) for generation of steady current, constant pressure source (6) for generation of constant voltage, the environmental chamber (7) that is used for simulation design temperature and humidity environment, the simulation box of drenching with rain (8) that is used for the simulation rain spraying environment, the salt fog simulation box (9) and the testing battery group (10) that are used for the simulation salt mist environment.
2. electric automobile high-voltage electrical system test macro according to claim 1 is characterized in that, is provided with the CAN card in PC, is connected with the CAN bus by the CAN card between PC and battery management system and the high-voltage electric system to be tested.
3. a described electric automobile high-voltage electrical system method of testing according to claim 1 is characterized in that, this method of testing comprises conventional func testing procedure and reliability testing step, and wherein, conventional func is surveyed step and comprised:
A1. high-voltage electric system relay test, send a triggering command by PC, force corresponding relay closes, whether closedly detect corresponding relay, observe pilot lamp corresponding on the PC interface and whether " light ", and one by one the secondary in the high-voltage electric system and three grades of relays are tested;
B1. test is carried out in software control, opens high-voltage electric system and battery management system, and battery management system is entered discharge condition and charged state from closed condition, detects battery management system and whether can normally control each relay work;
C1. fuse link test, open high-voltage electric system and battery management system, technical specification book according to fuse, by the value of regulating constant potential source output voltage and the value of constant current source output current, detect the inner fuse of high-voltage electric system and whether can normally fuse according to the technical specification book at the protection point respectively;
Wherein, reliability testing step:
A2. hot operation test and cold operation test, the environmental chamber temperature is separately positioned under high temperature test temperature and the low-temperature test temperature, humidity is set between the humidity 90 ± 5%, open high-voltage electric system and battery management system, continue the default test duration, can can the testing high voltage electrical system work, accurately control each relay, and whether total voltage, electric current show normal;
B2. the test of drenching with rain seals the import and export of high-voltage electric system, puts into the simulation box of drenching with rain and tests, and whether testing high voltage electrical system inside has obvious water droplet or ponding;
C2. salt spray test, high-voltage electric system is put into the salt fog simulation box, and make the high-voltage electric system surface become 15 °～30 ° with vertical direction, regulate salt fog simulation the temperature inside the box, pressure according to testing requirements, to high-voltage electric system surface sprinkling salt fog, whether continuously the spraying schedule time, detecting high-voltage electric system surface and inner metal surfaces has corrosion;
D2. dielectric voltage withstand test, make high-voltage electric system keep open-circuit condition, between the high-voltage electric system live terminal and the sinusoidal voltage that applies requirement between live terminal and the battery management system housing, whether detection occurs puncturing and electric arc in applying voltage course, can not occur in the test puncturing and electric arc, the high-voltage electric system function is normal after the test, without electric fault.
4. described electric automobile high-voltage electrical system method of testing according to claim 3, it is characterized in that, in the b1 step in the conventional func testing procedure, the standard that detects software control execution test is: the discharge process relay closes sequentially is the pre-charge-relay in the first closed high electrical system, then closure always just and is always being born relay, and the pilot lamp of three relays has " lighting " to be shown as normally; The charging process relay closes sequentially is the closed pre-charge-relay of elder generation, and closure always just and is always born relay again, last closed charge relay, and the pilot lamp of four relays has " lighting " to be shown as normally.
5. described electric automobile high-voltage electrical system method of testing according to claim 3, it is characterized in that, in the a2 step in the reliability testing step, described high temperature test temperature is 65 ± 5 ℃, described low-temperature test temperature is-20 ± 5 ℃, at high temperature the continuance test time is 96 ± 6 hours, and the continuance test time is 24 ± 4 hours at low temperatures.
6. described electric automobile high-voltage electrical system method of testing according to claim 3, it is characterized in that, in the c2 salt spray test step in the reliability testing step, salt fog simulation the temperature inside the box is between 35 ± 5 ℃, pressure is between 70kPa～170kPa, and the time of spraying continuously salt fog is 24 ± 4 hours.
7. described electric automobile high-voltage electrical system method of testing according to claim 3 is characterized in that, in the c2 salt spray test step in the reliability testing step, salt fog is 5 ± 1% NaCL solution, and pH value is between 6.5～7.2.
8. described electric automobile high-voltage electrical system method of testing according to claim 3 is characterized in that, in the d2 of reliability testing step dielectric voltage withstand testing procedure, this sinusoidal voltage value is that 1000 ± 2V, frequency are 50～60Hz, 60 ± 10 seconds duration.
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| CN103412205A (en) * | 2013-07-10 | 2013-11-27 | 华北电力大学（保定） | Testing method of electric vehicle charging equipment |
| CN103675699A (en) * | 2013-11-28 | 2014-03-26 | 惠州市亿能电子有限公司 | Safety testing method of battery system |
| CN103792470A (en) * | 2014-02-08 | 2014-05-14 | 上海沪工汽车电器有限公司 | Method and device for testing voltage withstanding capacity of car central cable connector |
| CN104390903A (en) * | 2014-10-30 | 2015-03-04 | 惠州市亿能电子有限公司 | Method for testing stability of wire harness and connector of electric car BMS (battery management system) |
| CN106093661A (en) * | 2016-07-28 | 2016-11-09 | 芜湖凯尔电气科技有限公司 | Charging electric vehicle detection simulation fog experiment room |
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| CN103412205A (en) * | 2013-07-10 | 2013-11-27 | 华北电力大学（保定） | Testing method of electric vehicle charging equipment |
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| CN106370351A (en) * | 2016-08-24 | 2017-02-01 | 宁波三星智能电气有限公司 | Detecting and testing case for electric vehicle's charging pile |
| CN106370586A (en) * | 2016-10-08 | 2017-02-01 | 国网浙江省电力公司电力科学研究院 | High-voltage isolator contact finger on-line salt spray test device |
| CN106370586B (en) * | 2016-10-08 | 2023-07-07 | 国网浙江省电力公司电力科学研究院 | Online salt spray test device of high-voltage isolating switch contact finger |
| CN107368065A (en) * | 2017-09-01 | 2017-11-21 | 银隆新能源股份有限公司 | Preliminary filling board test device and preliminary filling board test device control method |
| CN107368065B (en) * | 2017-09-01 | 2024-05-03 | 银隆新能源股份有限公司 | Pre-filled plate testing device and control method thereof |
| CN109342892A (en) * | 2018-08-24 | 2019-02-15 | 天津经纬正能电气设备有限公司 | The test method of dry-type air-core reactor air duct slats insulation performance |
| CN109782185A (en) * | 2019-01-11 | 2019-05-21 | 莱茵技术（上海）有限公司 | A kind of electric automobile high-voltage safety instrumentation and its application |
| CN109782185B (en) * | 2019-01-11 | 2024-05-31 | 莱茵技术（上海）有限公司 | High-voltage safety test method for electric automobile |
| CN113406517A (en) * | 2020-03-16 | 2021-09-17 | 广州汽车集团股份有限公司 | Vehicle quiescent current detection method and system thereof |
| CN112433131A (en) * | 2020-11-10 | 2021-03-02 | 珠海格力电器股份有限公司 | Arc analysis system, method and device |
| CN114659892A (en) * | 2022-03-20 | 2022-06-24 | 中国第一汽车股份有限公司 | Acupuncture extrusion test device and test method for battery |
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Application publication date: 20130417 |