电动汽车热管理系统设计及应用进展
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摘要
电动汽车的热管理直接关系到电池电机的性能和使用时的安全。电动汽车行驶时,电机需要冷却,乘员舱和电池温度需要保持在适宜的水平,热量在前端冷却模块中耗散至空气。文章在分析电动汽车的冷却考核工况,重要零部件热负荷情况的基础上,对格栅、导流密封、前端模块等结构特点进行了分析,比较了多个畅销车型的热管理回路,分析了其优缺点。
The thermal management of electric vehicles is directly related to the comfort of the human body and the security in usage. When the electric vehicle is running, the motor needs to be cooled, the passenger compartment and the battery temperature need to be kept at an appropriate level.The heat is dissipated to the air in the front-end cooling module. Based on the analysis of the cooling assessment conditions of electric vehicles and the thermal load of important components, the structural characteristics of the grille, diversion seal and front-end module were analyzed. The cooling circuits of several popular models were compared. According to the main problems currently faced bythermal management system.
The thermal management of electric vehicles is directly related to the comfort of the human body and the security in usage. When the electric vehicle is running, the motor needs to be cooled, the passenger compartment and the battery temperature need to be kept at an appropriate level.The heat is dissipated to the air in the front-end cooling module. Based on the analysis of the cooling assessment conditions of electric vehicles and the thermal load of important components, the structural characteristics of the grille, diversion seal and front-end module were analyzed. The cooling circuits of several popular models were compared. According to the main problems currently faced bythermal management system.
引文
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[3]党超.电动汽车电池热管理系统研究[J].内燃机与配件,2018,276(24):194-196.
[4]徐俊芳,牟连嵩,刘双喜.国内外典型纯电动汽车空调系统方案解析[J].汽车与配件,2017(32):73-75.
[5]李龙强,李龙飞.串联式冷却系统在纯电动汽车的设计[J].时代汽车,2019(02):109-111.
[6]张玲,董瑞新,张红涛.电动汽车冷却系统设计[J].汽车电器2017(2).
[7]李贵初.纯电动汽车冷却系统能量优化方法的研究[D].哈尔滨工业大学,2013.
[8]王健,许思传,陈黎.基于AMESim的纯电动汽车热管理系统的优化设计[J].佳木斯大学学报(自然科学版),2011,29(5):656-660.
[9]崔程玮.纯电动汽车多热力系统耦合动力舱集成分析[D].吉林大学,2017.
[10]周杨.纯电动汽车冷却系统数值分析[D].华中科技大学,2015.
[11]王迪.电动汽车锂电池温度场研究及优化设计[D].南京航空航天大学,2015.
[12]沈帅.纯电动汽车电池箱热特性研究及热管理系统开发[D].吉林大学,2013.