极端环境下汽车电器部件可靠性测试与防护技术

中图分类号：U463.839 文献标识码：A 文章编号：1003-8639（2026）02-0143-02

Reliability Testing and Protection Technology of Automotive Electrical Components in Extreme Environments

Chen Jun， Song Hao，Li Rongrong （Xuzhou XCMG Automobile Manufacturing Co.， Ltd.， Xuzhou 22110o， China）

【Abstract】This article focuses on four core test dimensions： temperature cycling， vibration，salt spray corrosion， and electromagnetic compatibility.Itsystematicallyanalyzes thereliabilitytest principles，parameter standards，and failure mechanisms of automotive electrical components under extreme environments，and specifically proposes key protection technologies such as electrical safety protection （overvoltage，overcurrent，and leakage protection） and electromagnetic shielding.

【Key words】extreme environment;automotive electrical components;reliability;protection technology

1极端环境下汽车电器部件可靠性测试分析

1.1 温度循环测试

温度循环测试是模拟汽车电器部件在使用过程中出现的温度变化，评估其在不同温度条件下的可靠性。（剩余2748字）