CN102707706B - Electromagnetic immunity performance testing system of vehicle body controller and testing method of system - Google Patents
Electromagnetic immunity performance testing system of vehicle body controller and testing method of system Download PDFInfo
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- CN102707706B CN102707706B CN201210075101.6A CN201210075101A CN102707706B CN 102707706 B CN102707706 B CN 102707706B CN 201210075101 A CN201210075101 A CN 201210075101A CN 102707706 B CN102707706 B CN 102707706B
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- 238000012360 testing method Methods 0.000 title claims abstract description 47
- 230000036039 immunity Effects 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 claims description 12
- 238000012790 confirmation Methods 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 238000010998 test method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 2
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Abstract
The invention relates to an electromagnetic immunity performance testing system of a vehicle body controller and a testing method of the system. The system comprises an anechoic chamber, an auxiliary device and a power source, wherein the auxiliary device, the power source, a remote controller and a BCM (body control module) of the vehicle body controller to be tested are placed in the anechoic chamber; the power source is connected with the BCM of the vehicle body controller and supplies power to the BCM; and the auxiliary device has a pneumatic power source, and is used for controlling the remote controller.
Description
Technical field
The present invention relates to a kind of test macro and method of testing thereof of car body controller electromagnetic immunity performance, be specifically related to a kind of method of testing effectively to examine vehicle body control unit (hereinafter to be referred as BCM) and telepilot to coordinate the electromagnetic immunity performance of function, specifically comprise the time relay, control solenoid valve and supporting test fixture.
Background technology
Electromagnetic compatibility technology is the brand new technical rising along with electronic technology development in recent years, relates to numerous specialties such as physics, microwave technology, computing machine, information analysis processing, and multidisciplinary synthesis is staggered, and technical sophistication degree is high.Along with the widespread use of electronic technology on automobile, automotive EMC problem also becomes increasingly conspicuous, and jointly becomes vehicle three pollute greatly with discharge, noise.Car body controller (hereinafter to be referred as BCM) is the significant element of controlling vehicle electric element, and its electromagnetic immunity performance quality directly has influence on vehicle safety, therefore needs Erecting and improving BCM electromagnetic immunity performance method of testing, effectively to examine BCM performance.
Critical function of BCM is to coordinate with telepilot to realize the opening/closing lock of long-distance remote control, and this function relates to vehicle safety performance, therefore very important to this function examination.The important means of examination is to carry out the test of electromagnetic immunity performance, due to research technique restriction, only carries out the electromagnetic immunity test of BCM in the past, does not carry out for BCM and telepilot and coordinates Immunity Performance test, and therefore this performance is not examined always.
Summary of the invention
The object of the present invention is to provide a kind of test macro and method of testing thereof of car body controller electromagnetic immunity performance, in anechoic chamber,, BCM is applied to electromagnetic interference (EMI), use the opening/closing locking key of self-control subtest equipment operating telepilot, by frequency and the dynamics of the solenoid valve outside anechoic chamber, and time relay control operation, whether examination BCM open locking function is normal.
Concrete technical scheme is as follows:
A test macro for car body controller electromagnetic immunity performance, comprises anechoic chamber,, utility appliance and power supply, and described utility appliance, power supply, telepilot and car body controller BCM to be tested are all arranged in anechoic chamber; Described power supply connects car body controller BCM and for to its power supply; The power source of described utility appliance adopts pneumatic mode, and it is for controlling telepilot.
Further, described utility appliance comprises platform dolly, cylinder and fixture, and described cylinder and fixture are all arranged on platform dolly, and wherein, described fixture is for fixing telepilot, and described cylinder is used for controlling telepilot.
Further, described fixture comprises a upper fixture, and a lower clamp and a side fixture, for fixing described telepilot from three directions.
Further, described cylinder is arranged on the top of utility appliance, for triggering telepilot.
Further, described cylinder is arranged on fixture.
Further, also comprise interference source module, specifically comprise signal generator, power amplifier, antenna and plate through walls.
Further, also comprise the pneumatic control unit of utility appliance, specifically comprise programmable logic controller PLC, pressurized air and pressure regulator valve.
Further, described power supply comprises accumulator, artificial mains network and load.
The method of testing of the test macro of above-mentioned car body controller electromagnetic immunity performance, adopts following steps:
(1) connect signal generator, power amplifier and antenna;
(2) press test request calibration field intensity, until meet test request;
(3) car body controller BCM is arranged in to measured piece end;
(4) true or fictitious load are arranged in to load end;
(5) the establishment PLC programmed control cylinder action frequency;
(6) regulate pressure regulator valve control cylinder action dynamics;
(7) open source of the gas, BCM is applied to legal required field intensity, thereby determine that by observation loaded work piece situation whether the opening/closing lock function of remote control is normal.
Further, step further comprises after (6): inspection confirmation utility appliance can correctly be controlled telepilot, and car body controller can correctly receive remote controller signal, and load can normally be worked.
In anechoic chamber,, carrying out test has particular/special requirement, testing auxiliary device can not affect the electromagnetic environment of anechoic chamber, own, self must have stronger interference rejection ability simultaneously, and the utility appliance therefore generally using in anechoic chamber, is all comparatively expensive.This invention is used pneumatic mode as utility appliance power source, neither can the electromagnetic environment of impact own can not be subject to external electromagnetic environmental impact yet, effectively warranty test reliability and repeatability, and this method is simple, cost is low, testing laboratory does not need to increase too much equipment, is easy to realize.
Brief description of the drawings
Accompanying drawing 1 is test macro catenation principle figure;
Accompanying drawing 2 is test fixture schematic diagram;
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.
Coordinate and realize the opening/closing lock ultimate principle of long-distance remote control and be referring to accompanying drawing 1-2:BCM and telepilot: car owner's remote controller open locking button, telepilot sends fixed frequency (being generally 315MHz or 433MHz) electromagnetic wave, after the built-in receiving antenna of BCM receives signal, decode, decoding coupling rear drive actuator is carried out the action of opening/closing lock.
Have on the market at present a kind of automobile interference unit, its principle of work is that interference unit disturbs BCM to receive remote controller signal by the transmitting frequency identical with automobile remote controllers, and decoding is not mated, thereby does not carry out opening/closing lock action, brings hidden danger to vehicle safety.In anechoic chamber,, carry out the anti-Electromagnetic Interference Test of the opening/closing lock function of remote control in order to reduce this hidden danger.
Have particular/special requirement, testing auxiliary device can not affect the electromagnetic environment of anechoic chamber, own owing to carrying out test in anechoic chamber,, self must have stronger interference rejection ability, the utility appliance therefore generally using in anechoic chamber, is all comparatively expensive simultaneously.This invention is used pneumatic mode as utility appliance power source, neither can the electromagnetic environment of impact own can not be subject to external electromagnetic environmental impact yet, effectively warranty test reliability and repeatability, and this method is simple, cost is low, testing laboratory does not need to increase too much equipment, is easy to realize.
In the present invention, major equipment comprises:
Table 2: master equipment list (MEL)
| Sequence number | Title | Main contents | Supplier |
| 1 | PLC | FX-20MR | MITSUBSHI |
| 2 | Control solenoid valve | SYL7320 | SMC |
| 3 | Cylinder | CJ2B10-30-XB7 | SMC |
| 4 | Pressure regulator valve | AW30-03D | SMC |
| 9 | Test fixture | / | Self-control |
Testing process of the present invention can be:
1, connect signal generator, power amplifier, antenna
2, by test plan requirement calibration field intensity, until meet test plan requirement
3, BCM is arranged in to measured piece end
4, true or fictitious load are arranged in to load end
5, the establishment PLC programmed control cylinder action frequency
6, regulate pressure regulator valve control cylinder action dynamics
7, confirm that this device can correctly control telepilot, car body controller can correctly receive remote controller signal, and load can normally be worked
8, open source of the gas, BCM is applied to legal required field intensity, in test, determine that by observation loaded work piece situation whether the opening/closing lock function of remote control is normal.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted method design of the present invention and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (7)
1. the method for testing of the test macro of a car body controller electromagnetic immunity performance, it is characterized in that, the test macro of car body controller electromagnetic immunity performance comprises anechoic chamber, utility appliance and power supply, described utility appliance comprises platform dolly, cylinder and fixture, described cylinder and fixture are all arranged on platform dolly, wherein, described fixture is for fixing telepilot, described cylinder is used for controlling telepilot, described utility appliance, power supply, telepilot and car body controller BCM to be tested are all arranged in anechoic chamber, described power supply connects car body controller BCM and for to its power supply, the power source of described utility appliance adopts pneumatic mode, it is for controlling telepilot,
Adopt following steps:
(1) connect signal generator, power amplifier and antenna;
(2) press test request calibration field intensity, until meet test request;
(3) car body controller BCM is arranged in to measured piece end;
(4) true or fictitious load are arranged in to load end;
(5) the establishment PLC programmed control cylinder action frequency;
(6) regulate pressure regulator valve control cylinder action dynamics;
(7) inspection confirmation utility appliance can correctly be controlled telepilot, and car body controller can correctly receive remote controller signal, and load can normally be worked;
(8) open source of the gas, BCM is applied to legal required field intensity, thereby determine that by observation loaded work piece situation whether the opening/closing lock function of remote control is normal.
2. the method for testing of the test macro of car body controller electromagnetic immunity performance as claimed in claim 1, is characterized in that, described fixture comprises a upper fixture, and a lower clamp and a side fixture, for from the fixing described telepilot of three directions.
3. the method for testing of the test macro of car body controller electromagnetic immunity performance as claimed in claim 1, is characterized in that, described cylinder is arranged on the top of utility appliance, for triggering telepilot.
4. the method for testing of the test macro of car body controller electromagnetic immunity performance as claimed in claim 1, is characterized in that, described cylinder is arranged on fixture.
5. the method for testing of the test macro of car body controller electromagnetic immunity performance as claimed in claim 1, is characterized in that, also comprises interference source module, specifically comprises signal generator, power amplifier, antenna and plate through walls.
6. the method for testing of the test macro of car body controller electromagnetic immunity performance as claimed in claim 1, is characterized in that, also comprises the pneumatic control unit of utility appliance, specifically comprises programmable logic controller PLC, pressurized air and pressure regulator valve.
7. the method for testing of the test macro of car body controller electromagnetic immunity performance as claimed in claim 1, is characterized in that, described power supply comprises accumulator, artificial mains network and load.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210075101.6A CN102707706B (en) | 2012-03-20 | 2012-03-20 | Electromagnetic immunity performance testing system of vehicle body controller and testing method of system |
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| CN201210075101.6A CN102707706B (en) | 2012-03-20 | 2012-03-20 | Electromagnetic immunity performance testing system of vehicle body controller and testing method of system |
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| CN102707706B true CN102707706B (en) | 2014-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9928733B2 (en) * | 2016-03-29 | 2018-03-27 | Nissan North America, Inc. | Vehicle key testing device |
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| CN103728558B (en) * | 2012-10-10 | 2016-05-25 | 中国汽车工程研究院股份有限公司 | Wheel hub motor band carries EMC Performance Test System |
| CN102981066B (en) * | 2012-11-05 | 2015-06-10 | 浙江吉利汽车研究院有限公司杭州分公司 | Auxiliary device and auxiliary test method of radiation anti-interference test |
| CN103018596B (en) * | 2012-11-30 | 2016-06-15 | 重庆长安汽车股份有限公司 | A kind of DC converter electromagnetic interference test system and method |
| CN103149480B (en) * | 2013-02-22 | 2015-06-24 | 同济大学 | Load simulating device for electromagnetic compatibility testing of high-power motor |
| CN103149924B (en) * | 2013-02-27 | 2015-05-20 | 浙江吉利汽车研究院有限公司杭州分公司 | Radiation anti-interference test monitor system for automotive electronic control unit |
| CN103604611B (en) * | 2013-10-28 | 2016-05-18 | 奇瑞汽车股份有限公司 | A kind of test macro and method of motor vehicle braking system electromagnetic immunity performance |
| CN103743973B (en) * | 2013-12-25 | 2016-05-25 | 浙江吉利控股集团有限公司 | A kind of electromagnetic compatibility immunity to interference test macro for keyless systems |
| CN104155541B (en) * | 2014-07-15 | 2017-01-18 | 中国人民解放军信息工程大学 | Electromagnetic and thermal stress complex environmental sensitivity testing system and method for microprocessor |
| CN105929252B (en) * | 2016-05-27 | 2018-11-16 | 奇瑞汽车股份有限公司 | The method and apparatus that external radiation disturbance assessment is carried out to vehicle |
| CN107238759B (en) * | 2017-07-06 | 2020-12-01 | 奇瑞汽车股份有限公司 | Electromagnetic anti-interference performance testing method and device for PEPS system vehicle |
| CN108508311A (en) * | 2018-06-08 | 2018-09-07 | 河南省计量科学研究院 | Button equipment radio frequency electromagnetic field radiation immunity experiment key detection device |
| CN110336628A (en) * | 2019-08-07 | 2019-10-15 | 上海沪工汽车电器有限公司 | A kind of BCM reception signal testing method |
| CN111398716A (en) * | 2020-04-07 | 2020-07-10 | 北京汽车集团越野车有限公司 | Method and system for testing electromagnetic interference resistance of vehicle-mounted equipment |
| CN112946388A (en) * | 2021-01-29 | 2021-06-11 | 一汽奔腾轿车有限公司 | Radiation anti-interference test method and test bench for automobile self-adaptive far-reaching lamp system |
| CN112986739B (en) * | 2021-03-10 | 2024-03-26 | 广东省医疗器械质量监督检验所 | Full-automatic pneumatic control electromagnetic compatibility auxiliary test system and method |
| CN113641165B (en) * | 2021-08-12 | 2023-04-18 | 中汽创智科技有限公司 | Anti-interference test system and method for rear cover controller |
| CN116405151A (en) * | 2022-04-20 | 2023-07-07 | 许知坚 | Information security intelligent management and control system based on big data |
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| TW200605430A (en) * | 2004-07-20 | 2006-02-01 | Avision Inc | Electrical magnetic interference inspecting system |
| CN101191806B (en) * | 2006-11-29 | 2011-03-30 | 比亚迪股份有限公司 | Apparatus and method for testing automobile electromagnetic sensitivity |
| CN201343371Y (en) * | 2008-12-16 | 2009-11-11 | 大连四达高技术发展有限公司 | Carrier for conveying workpieces |
| CN101581747B (en) * | 2009-05-07 | 2011-12-07 | 重庆车辆检测研究院有限公司 | EMC anechoic chamber motorcycle testing pneumatic manipulator |
| CN102043101B (en) * | 2009-10-19 | 2013-04-03 | 上海机动车检测中心 | Method for testing electromagnetic compatibility (EMC) of electrically-driven automobile |
| CN202028920U (en) * | 2011-04-06 | 2011-11-09 | 东莞市维美德电子材料有限公司 | Pneumatically controlled automatic equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9928733B2 (en) * | 2016-03-29 | 2018-03-27 | Nissan North America, Inc. | Vehicle key testing device |
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