基于低压电路分析的电动汽车高压不上电故障检修  

Troubleshooting of High Voltage Unenergized of Electric Vehicle Based on Low Voltage Circuit Analysis

作　　者：刘丹丹 郭超 孙保海 任志民 LIU Dandan;GUO Chao;SUN Baohai;REN Zhimin(Yuncheng Vocational and Technical University,Yuncheng Shanxi 044000,China)

机构地区：[1]运城职业技术大学,山西运城044000

出　　处：《汽车零部件》2021年第12期71-74,共4页Automobile Parts

基　　金：山西省教育科学“十三五”规划项目(GH-19318)。

摘　　要：针对汽车高压不上电这一典型故障,以吉利帝豪车型为例,对其低压电路进行分析,找到了其故障原因,并给出不同原因引起的高压不上电故障的检修方案,从而解决高压不上电故障问题,为纯电动汽车维修工和从业人员提供参考。Aiming at the typical fault that the vehicle high voltage was not powered on,taking Geely Emgrand model as an example,its low-voltage circuit was analyzed,the cause of the failure was found out,and the maintenance schemes of high voltage power failure caused by different reasons were given,so as to solve the problem of high voltage power failure and provide reference for pure electric vehicle maintenance workers and practitioners.

关 键 词：低压电路 高压不上电 故障检修 

分 类 号：U472.42[机械工程—车辆工程]