纯电动乘用车高压继电器应用与实践  

Application and Practice on High Voltage Relays for Pure Electric Passenger Cars

作　　者：张长涛 李威 曲振宁 盛毅 王伯军 Zhang Changtao;Li Wei;Qu Zhenning;Sheng Yi;Wang Bojun(Global R&D Center,China FAW Corporation Limited,Changchun 130013)

机构地区：[1]中国第一汽车股份有限公司研发总院,长春130013

出　　处：《汽车文摘》2023年第7期50-55,共6页Automotive Digest

摘　　要：具有保护作用的高压继电器是电动汽车重要的器件之一,更好地评估其应用工况和可靠性是电动汽车可靠性评价的重要环节。基于纯电动乘用车目前多合一集成趋势下应用场景需求和高压继电器技术现状,对高压继电器所应达到的技术要求进行研究,通过实际调查研究、收集文献以及应用案例分析,详细总结分析高压继电器应用工况,在现有高压继电器技术要求的基础上,提出需要针对高压继电器触点状态进行深入评估的要求,为纯电动乘用车高压继电器的应用提供了建议。High voltage relay as a protective switching device is one of the important devices for electric vehicles,to better evaluate its application condition and reliability becomes particularly important.Based on the application scenario requirements and the technical status of high voltage relay in the current multi-in-one integration trend of pure electric passenger vehicles,the technical requirements of high voltage relay should be studied.Through actual investigation and research,literature collection and application case analysis,the application conditions of high voltage relay are summarized and analyzed in detail.On the basis of the existing technical requirements of high voltage relay,In this paper,it is proposed that the contact state of high voltage relay should be evaluated in depth,and some suggestions are provided for the application of high voltage relay for pure electric passenger vehicles.

关 键 词：纯电动乘用车 高压继电器 工况电流 热仿真 触点评估 

分 类 号：U469.722[机械工程—车辆工程]