CN102707706A - 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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- CN102707706A CN102707706A CN2012100751016A CN201210075101A CN102707706A CN 102707706 A CN102707706 A CN 102707706A CN 2012100751016 A CN2012100751016 A CN 2012100751016A CN 201210075101 A CN201210075101 A CN 201210075101A CN 102707706 A CN102707706 A CN 102707706A
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- 230000036039 immunity Effects 0.000 title claims abstract description 23
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- 238000007689 inspection Methods 0.000 claims description 2
- 238000010998 test method Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
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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 the electromagnetic immunity performance of a kind of method of testing with effective examination vehicle body control unit (hereinafter to be referred as BCM) and telepilot cooperation function; Specifically comprise the time relay, control electromagnetic valve and supporting test fixture.
Background technology
Electromagnetic compatibility technology is the brand new technical that rises along with the 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 the technical sophistication degree is high.Along with the widespread use of electronic technology on automobile, the automobile electromagnetic compatibling problem also becomes increasingly conspicuous, and becomes vehicle three jointly with discharging, noise and pollutes greatly.Car body controller (hereinafter to be referred as BCM) is the significant element of control vehicle electric element, and its electromagnetic immunity performance quality directly has influence on vehicle safety, therefore needs to set up to improve BCM electromagnetic immunity performance method of testing, with effective examination BCM performance.
Critical function of BCM is to cooperate the realization long-distance remote control to open/locking with telepilot, and this function relates to vehicle safety performance, and is therefore very important to this function examination.The important means of examination is to carry out the test of electromagnetic immunity performance, because research technique limits, only carries out the electromagnetic immunity test of BCM in the past, do not carry out to BCM and telepilot to cooperate the Immunity Performance test, so 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 electromagnetic interference (EMI); Use self-control subtest operation of equipment telepilot to open/blocked bond; Through the solenoid valve outside the anechoic chamber, and the frequency and the dynamics of time relay control operation, whether examination BCM switching lock function is normal.
Concrete technical scheme is following:
A kind of test macro of car body controller electromagnetic immunity performance comprises anechoic chamber,, utility appliance and power supply, and said utility appliance, power supply, telepilot and car body controller BCM to be tested all are arranged in the anechoic chamber; Said power supply connects car body controller BCM and is used for to its power supply; The power source of said utility appliance adopts pneumatic mode, and it is used for remote controllers.
Further, said utility appliance comprises the platform dolly, and cylinder and anchor clamps, said cylinder and anchor clamps all are arranged on the platform dolly, and wherein, said anchor clamps are used for fixing telepilot, and said cylinder is used for remote controllers.
Further, said anchor clamps comprise that is gone up anchor clamps, and a lower clamp and side anchor clamps are used for from the fixing said telepilot of three directions.
Further, said cylinder is arranged on the top of utility appliance, is used to trigger telepilot.
Further, said cylinder is arranged on the anchor clamps.
Further, also comprise the 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, said 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, adopt following steps:
(1) connects signal generator, power amplifier and antenna;
(2) press test request calibration field intensity, up to satisfying test request;
(3) car body controller BCM is arranged in the measured piece end;
(4) true or fictitious load are arranged in 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 applied legal required field intensity, thus through observation loaded work piece situation confirm remote control open/whether blocking function normal.
Further, step further comprises after (6): correctly remote controllers of utility appliance is confirmed in inspection, and car body controller can correctly receive remote controller signal, but the load operate as normal.
In anechoic chamber,, carrying out test has specific (special) requirements, testing auxiliary device can not influence the electromagnetic environment of anechoic chamber, own, and strong interference rejection ability self must be arranged simultaneously, and the utility appliance of therefore generally in anechoic chamber,, using is all comparatively expensive.This invention uses pneumatic mode as the utility appliance power source; Neither can the electromagnetic environment of influence own can not receive the external electromagnetic environmental impact yet; Effectively warranty test reliability and repeatability; And this method is simple, cost is low, and testing laboratory need not increase too much equipment, be easy to realize.
Description of drawings
Accompanying drawing 1 is test macro catenation principle figure;
Accompanying drawing 2 is the test fixture synoptic diagram;
Embodiment
Describe the present invention according to accompanying drawing below, it is a kind of preferred embodiment in the numerous embodiments of the present invention.
Referring to accompanying drawing 1-2:BCM and telepilot cooperate realize long-distance remote control open/the locking ultimate principle is: car owner's remote controller opens and closes the lock button; Telepilot sends fixed frequency (generally being 315MHz or 433MHz) electromagnetic wave; After receiving signal, the built-in receiving antenna of BCM decodes, and decoding coupling rear drive actuator carries out and opens/action of locking.
A kind of automobile interference unit is arranged at present on the market, and its principle of work is that interference unit disturbs BCM to receive remote controller signal through the emission frequency identical with the automobile remote-control device, decoding is not matched, thereby do not carry out out/block action, brings hidden danger to vehicle safety.In anechoic chamber,, carry out remote control to open/the anti-Electromagnetic Interference Test of blocking function is promptly in order to reduce this hidden danger.
Have specific (special) requirements, testing auxiliary device can not influence the electromagnetic environment of anechoic chamber, own owing in anechoic chamber,, carry out test, strong interference rejection ability self must be arranged simultaneously, the utility appliance of therefore generally in anechoic chamber,, using is all comparatively expensive.This invention uses pneumatic mode as the utility appliance power source; Neither can the electromagnetic environment of influence own can not receive the external electromagnetic environmental impact yet; Effectively warranty test reliability and repeatability; And this method is simple, cost is low, and testing laboratory need not increase too much equipment, be easy to realize.
Major equipment comprises among the present invention:
Table 2: master equipment list (MEL)
| Sequence number | Title | Main contents | Supplier |
| 1 | PLC | FX-20MR | MITSUBSHI |
| 2 | Control electromagnetic 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 for:
1, connects signal generator, power amplifier, antenna
2, by test plan requirement calibration field intensity, up to satisfying the test plan requirement
3, BCM is arranged in the measured piece end
4, true or fictitious load are arranged in load end
5, the establishment PLC programmed control cylinder action frequency
6, regulate pressure regulator valve control cylinder action dynamics
7, confirm correctly remote controllers of this device, car body controller can correctly receive remote controller signal, but the load operate as normal
8, open source of the gas, BCM applied legal required field intensity, in the test through observation loaded work piece situation confirm remote control open/whether blocking function normal.
Combine accompanying drawing that the present invention has been carried out exemplary description above; Obviously the concrete realization of the present invention does not receive the restriction of aforesaid way; As long as the various improvement of having 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 (10)
1. the test macro of a car body controller electromagnetic immunity performance is characterized in that, comprises anechoic chamber,, utility appliance and power supply,
Said utility appliance, power supply, telepilot and car body controller BCM to be tested all are arranged in the anechoic chamber;
Said power supply connects car body controller BCM and is used for to its power supply;
The power source of said utility appliance adopts pneumatic mode, and it is used for remote controllers.
2. the test macro of car body controller electromagnetic immunity performance as claimed in claim 1; It is characterized in that said utility appliance comprises the platform dolly, cylinder and anchor clamps; Said cylinder and anchor clamps all are arranged on the platform dolly; Wherein, said anchor clamps are used for fixing telepilot, and said cylinder is used for remote controllers.
3. according to claim 1 or claim 2 the test macro of car body controller electromagnetic immunity performance is characterized in that said anchor clamps comprise that is gone up anchor clamps, and a lower clamp and side anchor clamps are used for from the fixing said telepilot of three directions.
4. like the test macro of each described car body controller electromagnetic immunity performance among the claim 1-3, it is characterized in that said cylinder is arranged on the top of utility appliance, be used to trigger telepilot.
5. like the test macro of each described car body controller electromagnetic immunity performance among the claim 1-4, it is characterized in that said cylinder is arranged on the anchor clamps.
6. like the test macro of each described car body controller electromagnetic immunity performance among the claim 1-5, it is characterized in that, also comprise the interference source module, specifically comprise signal generator, power amplifier, antenna and plate through walls.
7. like the test macro of each described car body controller electromagnetic immunity performance among the claim 1-6, it is characterized in that, also comprise the pneumatic control unit of utility appliance, specifically comprise programmable logic controller PLC, pressurized air and pressure regulator valve.
8. like the test macro of each described car body controller electromagnetic immunity performance among the claim 1-7, it is characterized in that said power supply comprises accumulator, artificial mains network and load.
9. like the method for testing of the test macro of the said car body controller electromagnetic immunity of claim 1-8 performance, it is characterized in that, adopt following steps:
(1) connects signal generator, power amplifier and antenna;
(2) press test request calibration field intensity, up to satisfying test request;
(3) car body controller BCM is arranged in the measured piece end;
(4) true or fictitious load are arranged in 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 applied legal required field intensity, thus through observation loaded work piece situation confirm remote control open/whether blocking function normal.
10. like the method for testing of the test macro of the said car body controller electromagnetic immunity of claim 9 performance; It is characterized in that; Step further comprises after (6): correctly remote controllers of utility appliance is confirmed in inspection, and car body controller can correctly receive remote controller signal, but the load operate as normal.
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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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| CN102981066A (en) * | 2012-11-05 | 2013-03-20 | 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 |
| CN103018596A (en) * | 2012-11-30 | 2013-04-03 | 重庆长安汽车股份有限公司 | Electromagnetic interference testing system and electromagnetic interference testing method for direct-current converter |
| CN103149480A (en) * | 2013-02-22 | 2013-06-12 | 同济大学 | Load simulating device for electromagnetic compatibility testing of high-power motor |
| CN103149924A (en) * | 2013-02-27 | 2013-06-12 | 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 |
| CN103604611A (en) * | 2013-10-28 | 2014-02-26 | 奇瑞汽车股份有限公司 | Test system and method for electromagnetic-interference-resistance performance of vehicle braking system |
| CN103728558A (en) * | 2012-10-10 | 2014-04-16 | 中国汽车工程研究院股份有限公司 | Hub motor on-load EMC performance test system |
| CN103743973A (en) * | 2013-12-25 | 2014-04-23 | 浙江吉利控股集团有限公司 | Electromagnetic compatibility immunity test system used for key-free system |
| CN105929252A (en) * | 2016-05-27 | 2016-09-07 | 奇瑞汽车股份有限公司 | Method and device for carrying out external radiation disturbance evaluation on vehicles |
| 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 |
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| 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 |
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| CN115134009A (en) * | 2022-06-28 | 2022-09-30 | 上海沪工汽车电器有限公司 | Car BCM remote control signal detecting system |
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