A method and device for verifying parts of an electromagnetic clean cabin in a vehicle

By classifying and testing the components of the electromagnetic clean cabin in the vehicle, the problems of high risk and long development cycle in electromagnetic clean certification in the existing technology have been solved. It has achieved accurate component testing, is applicable to a variety of vehicle models, and shortens the development cycle.

CN115407141BActive Publication Date: 2026-05-05CHERY AUTOMOBILE CO LTD
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Patent Information

Application Number
CN202210877613.8
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-07-25
Publication Date
2026-05-05
Estimated Expiration
2042-07-25

AI Technical Summary

Technical Problem

The lack of effective control and measurement methods for electromagnetic clean cabin components in vehicles leads to high electromagnetic clean certification risks and long development cycles during the vehicle development process. Furthermore, existing testing methods cannot simulate the radiation levels of components under extreme operating conditions, which can affect health.

Method used

By identifying the installation location of components, they are divided into rated power and constant current/constant voltage components. They are tested under the lowest voltage and maximum power conditions, respectively. Measuring devices are used to directly contact the surface of the components and the wiring harness for testing. Combined with shielded room testing, the accuracy and comprehensiveness of the test results are ensured.

Benefits of technology

It reduces the risk of electromagnetic cleanliness certification for the whole vehicle, avoids design rework, shortens the development cycle, is applicable to traditional fuel, hybrid and pure electric vehicles, and the test results meet actual needs and have a wide range of applications.

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Abstract

This invention relates to a method and apparatus for verifying components in an electromagnetic clean cabin within a vehicle. The verification method includes: identifying the installation location of the component within the vehicle; determining the component to be tested; dividing the component into sections; testing the divided component using a measuring device; and processing and analyzing the data on the identified installation location of the component within the vehicle. The verification apparatus includes an insulating bracket and a measuring device mounted on the insulating bracket. The insulating bracket holds the component to be tested, and the measuring device is used to test the divided component. The measuring device includes a detection probe and a detection body. This invention eliminates the need to test all components in the vehicle, significantly reducing the certification risk of electromagnetic cleanliness for the entire vehicle, minimizing design rework in the later stages of vehicle development, shortening the development cycle, and achieving risk prevention during the development process.
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