电动汽车驱动电机冷却技术研究发展综述  

Research and development of key technologies of electric vehicle drive motor

作　　者：陶大军[1] 潘博 戈宝军[1] 王立坤[1] 侯鹏 王越 TAO Dajun;PAN Bo;GE Baojun;WANG Likun;HOU Peng;WANG Yue(School of Electrical and Electronic Engineering,Harbin University of Science and Technology,Harbin 150080,China)

机构地区：[1]哈尔滨理工大学电气与电子工程学院,黑龙江哈尔滨150080

出　　处：《电机与控制学报》2023年第4期75-85,共11页Electric Machines and Control

基　　金：国家自然科学基金(51777048,51907042)。

摘　　要：电动汽车驱动电机作为电动汽车的核心部件,其温升问题直接影响着电动汽车的稳定性以及安全性,因此选择合适的热分析模型和冷却结构在电动汽车驱动电机的设计过程中有着非常重要的现实意义。针对电动汽车驱动电机冷却问题,以电动汽车驱动电机“热的来源-热的处理-实际应用”为主线,对近年来国内外电动汽车驱动电机的冷却设计发展现状进行了综述。对电动汽车驱动电机热源计算方法以及各类型损耗基本原理进行了简述。按照自然冷却、强迫风冷、液冷的分类方式阐述了不同种类电动汽车驱动电机冷却系统的国内外应用现状,并总结了近年来电动汽车驱动电机冷却结构的实际应用情况及其优缺点。这些工作为电动汽车驱动电机的研发提供了一定的参考。As the core component of electric vehicles,the temperature rise of electric vehicle drive motors directly affects the stability and safety of electric vehicles.Therefore,selecting appropriate thermal analysis models and cooling structures has very important practical significance in the design process of electric vehicle drive motors.In order to solve the cooling problem of electric vehicle drive motors,it focuses on the“source of heat-heat treatment-practical application”of electric vehicle drive motors.It summarizes the current development status of cooling design for electric vehicle drive motors both domestically and internationally in recent years.A brief introduction was given to the calculation method of heat source for electric vehicle drive motors and the basic principles of various types of losses.According to the classification of natural cooling,forced air cooling and liquid cooling,the application status of different kinds of electric vehicle drive motor cooling systems was described,and the actual application of electric vehicle drive motor cooling structures and their advantages and disadvantages were summarized.It provides a reference for the research and development of electric vehicle drive motors。

关 键 词：电动汽车 冷却结构 热分析模型 液冷结构 风冷结构 自然冷却 

分 类 号：TM32[电气工程—电机]