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Testing device and testing method for calibration of automotive electronic capacitive coupling tongs

An electronic capacitive and capacitive coupling technology, applied in the field of testing, can solve problems such as high cost, time-consuming, and deviation of calibration results, and achieve the effects of saving time and cost, controlling measurement deviation, and ensuring reliability

Inactive Publication Date: 2019-05-21
海检检测有限公司
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  • Abstract
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Problems solved by technology

[0005] However, the above-mentioned existing technical solutions are costly and require a lot of time for connection. If the system is not properly matched, it is easy to cause deviations in the calibration results

Method used

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  • Testing device and testing method for calibration of automotive electronic capacitive coupling tongs
  • Testing device and testing method for calibration of automotive electronic capacitive coupling tongs
  • Testing device and testing method for calibration of automotive electronic capacitive coupling tongs

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Embodiment Construction

[0038] Below in conjunction with accompanying drawing and example the present invention will be further described:

[0039] Embodiments of the present invention are shown in the drawings, wherein like or similar reference numerals designate like or similar elements or elements having the same or similar functions throughout. The description with reference to the accompanying drawings is only for explaining the present invention, and should not be construed as limiting the present invention.

[0040] In the description of the present invention, it should be noted that unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, they may be directly connected or indirectly connected through an intermediate adapter. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

[0041] Such as figure 1 As shown, a kind of test device f...

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Abstract

The invention provides a testing device for calibration of automotive electronic capacitive coupling tongs. The device comprises a signal generator, a capacitive coupling tong unit, a measuring unit,a first matching unit, a second matching unit, a transmission unit, a first conversion unit, and a second conversion unit. The output end of the signal generator is connected to the transmission unit;the terminal of the transmission unit is connected to the first matching unit and the transmission unit is arranged in the capacitive coupling tong unit. The measuring unit is connected with one endof the capacitive coupling tong unit by the first conversion unit; and the second matching unit is connected to the other end of the capacitive coupling clamp through the second conversion unit. In addition, the device also includes a controller; the controller obtains a correction factor for the capacitive coupling tong unit based on a difference between an output signal level received by the signal level receiving module and an input signal level transmitted by a signal level transmission module. The testing device has advantages of simple structure, high test reliability and high operability. In addition, the invention also provides a testing method for calibration of automotive electronic capacitive coupling tongs.

Description

technical field [0001] The invention relates to the technical field of testing, more specifically, to a testing device and testing method for calibrating automotive electronic capacitive coupling clamps. Background technique [0002] The purpose of the conducted emission test is to measure the electromagnetic field disturbance conducted by the automotive electronic components / modules when they perform their intended functions. At present, in the international and national standards of automotive electronic electromagnetic compatibility testing technology, the common voltage method emission test is measured using a linear impedance stabilization network, while the capacitive coupling clamp is generally used for signal line conduction immunity testing. Electromagnetic disturbance measurement is blank. [0003] The various wiring harnesses connected to the car can become a passive receiving antenna network during the operation of the electronic equipment, and it is very easy t...

Claims

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Application Information

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IPC IPC(8): G01R31/00G01R35/00
Inventor 王勋龙梁雪田丰毅洪晓莉刘运娇吴琼韩玉坤石鹏吴尚德孙延峰王丽丽
Owner 海检检测有限公司
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