三合一电驱动总成耐久试验方法研究  

Study on Durability Test Method of Three-in-One E-Axle

作　　者：刘贵祥 张玉龙 刘勇敢 苏瑞 Liu Guixiang;Zhang Yulong;Liu Yonggan;Su Rui(Radar New Energy Automobile(Zhejiang)Co.,Ltd.,Hangzhou 310000)

机构地区：[1]雷达新能源汽车(浙江)有限公司,杭州310000

出　　处：《汽车工程师》2024年第4期33-36,共4页Automotive Engineer

摘　　要：为提高电驱动总成在机械负荷和热负荷环境下可靠性验证的效率,以三合一电驱动总成为研究对象,综合考虑电驱动总成实际运行工作环境及使用工况,分析了各子系统的失效机理和影响因素,并根据不同试验条件下的加速失效逻辑研究其加速过程及计算等效试验时长。结果表明:加速后的寿命耐久试验方法可以为电驱动总成可靠性验证提供支持。In order to improve the efficiency of reliability verification of the e-Axle under mechanical load and thermal load environment,this paper,taking the three-in-one e-Axle as the research object,analyzed the failure mechanism and influencing factors of each subsystem by comprehensively considering the actual operating environment and working conditions of the e-Axle,and studied the acceleration process and calculated equivalent test time according to the accelerated failure logic under different test conditions.The results show that the accelerated life endurance test method can support the reliability verification of the e-Axle.

关 键 词：电驱动总成 失效模式 耐久可靠性 加速寿命试验 

分 类 号：U467.3[机械工程—车辆工程]