CN103076794B - A kind of aging testing system of electric machine controller and method of testing - Google Patents
A kind of aging testing system of electric machine controller and method of testing Download PDFInfo
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- CN103076794B CN103076794B CN201210404179.8A CN201210404179A CN103076794B CN 103076794 B CN103076794 B CN 103076794B CN 201210404179 A CN201210404179 A CN 201210404179A CN 103076794 B CN103076794 B CN 103076794B
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- 238000012360 testing method Methods 0.000 title claims abstract description 119
- 230000032683 aging Effects 0.000 title claims abstract description 47
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- 238000004891 communication Methods 0.000 claims description 8
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Abstract
The present invention relates to a kind of aging testing system and method for testing of electric machine controller, comprise electric machine controller, 24V low-tension supply, aging test bench and rat tail, wherein, described rat tail comprises DC bus rat tail and controller card wire harness; Described electric machine controller connects 24V low-tension supply by DC bus rat tail terminals; Described aging test bench connects electric machine controller by controller card wire harness.Overcome the problem of the inefficiency that in the past manually sends test massage to electric machine controller, the losses such as the electric machine controller damage that bus terminal voltage instability causes, improve throughput rate, have saved cost.<!--1-->
Description
Technical field
The present invention relates to a kind of burn-in test of pure electric vehicle machine controller, be specifically related to a kind of aging testing system and method for testing of electric machine controller.
Background technology
Power drive system in pure electric automobile system, be the important component part of Full Vehicle System, its key property and control effects directly affects the performance index of car load, and electric machine controller is the core of power drive system, control the normal work of motor.Therefore, for verifying the performance of electric machine controller, its burn-in test just seems particularly important.The one electric machine controller aging testing system packaged has very important significance for the research and development of electric machine controller and application producer, one aging testing system packaged can make evaluation to life-span of controller, performance exactly, improves the reliability of product development.Existing electric machine controller burn-in test platform and method of testing, just manual testing, not only inefficiency, and poor stability, cause the waste of manpower and cost to a great extent.
Summary of the invention
The object of the present invention is to provide a kind of pure electric vehicle machine controller aging testing system, its automaticity is high, and security is high, and testing cost is low.
Motor for pure electric vehicle controller is provided with, 24V low-tension supply, aging test bench in test macro, and rat tail etc.The 12V low-tension supply that electric machine controller is provided by aging test bench is powered, and its DC bus wiring termination 24V low-tension supply, test board carries out communication by communication bus and electric machine controller, realizes the feedback of test mode.This cover test macro automaticity is high, and can detect bus terminal voltage state in real time, just exit test pattern once abnormal, enter safe condition, prevent electric machine controller from damaging, security is high.This technical scheme overcomes the problem of the inefficiency that in the past manually sends test massage to electric machine controller, improves throughput rate, has saved cost.
Another object of the present invention is to provide a kind of ageing testing method of electric machine controller, and the method includes the steps of:
1) electric machine controller low pressure plug-in unit and DC bus terminals are connected;
2) power to aging test bench, power to electric machine controller, power to the DC bus terminals of electric machine controller;
3) electric machine controller initialization, enters test pattern after initialization automatically, after judging that bus terminal voltage meets the requirements, runs burn-in test operating mode;
4) follow-on test is after one hour, and electric machine controller exits test pattern automatically, and feedback test result aging test bench;
5) disconnect the power supply of electric machine controller DC bus terminals, disconnect electric machine controller and power, test completes.
Concrete technical scheme is as follows:
An aging testing system for electric machine controller, comprises electric machine controller, 24V low-tension supply, aging test bench and rat tail, and wherein, described rat tail comprises DC bus rat tail and controller card wire harness; Described electric machine controller connects 24V low-tension supply by DC bus rat tail terminals; Described aging test bench connects electric machine controller by controller card wire harness.
Further, described electric machine controller passes through cable power supply by aging test bench.
Further, the 12V low-tension supply that electric machine controller is provided by aging test bench is powered, its DC bus wiring termination 24V low-tension supply.
Further, described aging test bench carries out communication by communication bus and electric machine controller, realizes the feedback of test mode.
Further, described communication bus is CAN.
Further, described electric machine controller is motor for pure electric vehicle controller.
The method of testing of the aging testing system of above-mentioned electric machine controller, adopts following steps:
(1) electric machine controller low pressure plug-in unit and DC bus terminals are connected;
(2) power to aging test bench;
(3) power to electric machine controller after aging test bench energising, power to DC bus terminals;
(4) electric machine controller initialization, enters test pattern after initialization automatically;
(5), after judging that bus terminal voltage meets the requirements, burn-in test operating mode is run;
(6) if voltage conforms specialized range, then testing results code; Otherwise electric machine controller exports diagnostic trouble code to aging test bench, and exits test pattern, enters safe mode;
(7) judge whether the test duration reaches;
(8) if reach the test duration, electric machine controller exits test pattern automatically, enters safe mode, and exports test and complete information to aging test bench; If the test duration does not arrive, then repeated execution of steps (5)-(7);
(9) aging test bench shows corresponding test result;
(10) disconnect the power supply of electric machine controller DC bus terminals, disconnect electric machine controller and power, test completes.
Further, test macro detects bus terminal voltage state in real time, just exits test pattern, enter safe condition once abnormal.
Further, in step (5) (6), judge DC bus terminal voltage whether between 20V and 32V.
Further, in step (7) (8), the described time is 1 hour.
As shown from the above technical solution, this cover test macro, after plug-in unit and wiring connect and power on, namely enters automatic test pattern, without the need to manpower intervention, after automatically having run burn-in test operating mode, just exits test pattern; And bus terminal voltage state can be detected in real time, just exit test pattern once abnormal, enter safe condition, prevent electric machine controller from damaging.The losses such as this technical scheme overcomes the problem of the inefficiency that in the past manually sends test massage to electric machine controller, the electric machine controller damage that bus terminal voltage instability causes, improve throughput rate, have saved cost.
Compared with currently available technology, automaticity of the present invention is high, convenient and reliable, greatly reduces manually-operated False Rate.This cover test macro can sending controling instruction automatically, and whether the information that automatic decision receives is normal, thus whether the tested controller of automatic decision is qualified, overcomes and there is to electric machine controller desk checking the drawback judged by accident in the past, effectively evaded risk.
Accompanying drawing explanation
Fig. 1 is electric machine controller aging testing system structural drawing of the present invention;
Fig. 2 is electric machine controller burn-in test process flow diagram of the present invention.
Embodiment
Describe the present invention with reference to the accompanying drawings below, it is a kind of preferred embodiment in numerous embodiments of the present invention.
As shown in Figure 1, motor for pure electric vehicle controller DC bus terminals connect 24V low-tension supply, and electric machine controller by cable power supply, carries out communication by CAN between electric machine controller and aging test bench, feedback test result by aging test bench.
Below in conjunction with accompanying drawing 2, concrete testing procedure is described:
1) first connect with the electric machine controller low pressure plug-in unit of test code and DC bus terminals;
2) power to aging test bench, power to electric machine controller after aging test bench energising, power to DC bus terminals;
3) electric machine controller initialization;
4) electric machine controller enters test pattern;
5) DC bus terminal voltage is judged whether between 20V and 32V;
6) if voltage conforms specialized range (namely between 20V and 32V), then testing results code; Otherwise electric machine controller exports diagnostic trouble code to aging test bench, and exits test pattern, enters safe mode;
7) judge whether the test duration reaches;
8) if reach the test duration, then exit test pattern, enter safe mode, and export test and complete information to aging test bench; If the test duration does not arrive, then repeated execution of steps 5), 6), 7);
9) aging test bench shows corresponding test result;
10) disable motor controller bus terminals power supply, electric machine controller power-off, test terminates.
Above by reference to the accompanying drawings to invention has been exemplary description; obvious specific implementation of the present invention is not subject to the restrictions described above; as long as have employed the various improvement that method of the present invention is conceived and technical scheme is carried out; or directly apply to other occasion, all within protection scope of the present invention without improving.
Claims (6)
1. an aging testing system for electric machine controller, is characterized in that, comprises electric machine controller, 24V low-tension supply, aging test bench and rat tail, wherein,
Described rat tail comprises DC bus rat tail and controller card wire harness;
Described electric machine controller connects 24V low-tension supply by DC bus rat tail terminals;
Described aging test bench connects electric machine controller by controller card wire harness, and it carries out communication by CAN communication bus and electric machine controller, realizes the feedback of test mode.
2. the aging testing system of electric machine controller as claimed in claim 1, it is characterized in that, described electric machine controller is motor for pure electric vehicle controller.
3. the method for testing of the aging testing system of electric machine controller as claimed in claim 1, is characterized in that, adopts following steps:
(1) electric machine controller low pressure plug-in unit and DC bus terminals are connected;
(2) power to aging test bench;
(3) power to electric machine controller after aging test bench energising, power to DC bus terminals;
(4) electric machine controller initialization, enters test pattern after initialization automatically;
(5), after judging that bus terminal voltage meets the requirements, burn-in test operating mode is run;
(6) if voltage conforms specialized range, then testing results code; Otherwise electric machine controller exports diagnostic trouble code to aging test bench, and exits test pattern, enters safe mode;
(7) judge whether the test duration reaches;
(8) if reach the test duration, electric machine controller exits test pattern automatically, enters safe mode, and exports test and complete information to aging test bench; If the test duration does not arrive, then repeated execution of steps (5)-(7);
(9) aging test bench shows corresponding test result;
(10) disconnect the power supply of electric machine controller DC bus terminals, disconnect electric machine controller and power, test completes.
4. the method for testing of the aging testing system of electric machine controller as claimed in claim 3, it is characterized in that, test macro detects bus terminal voltage state in real time, just exits test pattern, enter safe condition once abnormal.
5. the method for testing of the aging testing system of electric machine controller as described in claim 3 or 4, is characterized in that, in step (5), (6), judges DC bus terminal voltage whether between 20V and 32V.
6. the method for testing of the aging testing system of electric machine controller as claimed in claim 5, it is characterized in that, in step (7), (8), the described time is 1 hour.
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| CN201210404179.8A CN103076794B (en) | 2012-10-22 | 2012-10-22 | A kind of aging testing system of electric machine controller and method of testing |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104576227B (en) * | 2015-01-07 | 2017-03-15 | 浙江正泰电器股份有限公司 | There is pair aging method of the whole machine of the low-voltage electrical apparatus of gold structures |
| CN106292632A (en) * | 2016-08-25 | 2017-01-04 | 芜湖莫森泰克汽车科技股份有限公司 | Frock for louver controller burn-in test |
| CN107526354B (en) * | 2017-09-26 | 2024-03-15 | 刘珠峰 | Automatic test method and test device for electric vehicle controller |
| CN108828373B (en) * | 2018-08-10 | 2021-04-16 | 无锡曼克斯电子科技有限公司 | Automatic aging system and method for controller |
| CN110320888B (en) * | 2019-07-03 | 2024-02-13 | 天津中科华盈科技有限公司 | Aging testing device and method for asynchronous motor controller |
| CN111880041A (en) * | 2020-08-19 | 2020-11-03 | 深圳市福瑞电气有限公司 | Economical and reliable high-speed air compressor controller aging system and method |
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Owner name: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: SAIC CHERY AUTOMOBILE CO., LTD. Effective date: 20150703 |
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Effective date of registration: 20150703 Address after: 241000 Yijiang, Anhui Province Hua Jin Road South Applicant after: New-energy automobile Technology Co., Ltd. of Cherry Address before: 241009 Wuhu economic and Technological Development Zone, Anhui, No. 8 Changchun Road Applicant before: Saic Chery Automobile Co., Ltd. |
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Address after: 241000 No. 226 Jin Hua Nan Road, Yijiang hi tech Industrial Development Zone, Anhui, Wuhu Patentee after: Chery New Energy Automobile Co.,Ltd. Address before: 241000 flower road, Yijiang District, Anhui, Wuhu Patentee before: CHERY NEW ENERGY AUTOMOBILE TECHNOLOGY Co.,Ltd. |