电动车高压继电器粘连失效机理分析及排查思路  

Analysis and Troubleshooting of Adhesion Failure of Electric Vehicle High Voltage Relays

作　　者：葛俊良 凌阳阳 阳勇 卢晨 赵小羽 Ge Junliang;Ling Yangyang;Yang Yong;Lu Chen;Zhao Xiaoyu(SAIC GM Wuling Automobile Co.,Ltd.,Liuzhou 545007,China)

机构地区：[1]上汽通用五菱汽车股份有限公司,柳州545007

出　　处：《汽车与驾驶维修》2021年第3期48-49,52,共3页Auto Driving & Service

摘　　要：随着我国新能源行业的蓬勃发展,电动汽车越来越普及。继电器作为电动车动力回路的核心部件,了解其失效模式,有助于改善电动车的高压回路设计以及提升售后的维修效率。为此,本文摘选继电器失效模式中最常见的继电器粘连进行失效机理分析,并根据实际应用中出现的案例,对电动车高压继电器粘连的排查思路进行了阐述。As the core component of electric vehicle power circuit,relay understanding its failure mode is helpful to improve the design of high voltage circuit and improve the maintenance efficiency after sale.Therefore,this paper selects the most common relay adhesion in relay failure mode to analyze the failure mechanism,and according to the cases in practical application,the investigation idea of high voltage relay adhesion in electric vehicle is expounded.

关 键 词：电动车 高压继电器 粘连 失效机理 

分 类 号：U471[机械工程—车辆工程]