基于PrePoMax的轮毂电机制动传热研究  

Research on braking heat transfer of in-wheel motor based on PrePoMax

作　　者：汤充 TANG Chong(Hangzhou Linping Qingchuang Industry Operation Co.,Ltd.,Hangzhou 311100)

机构地区：[1]杭州临平青创产业运营有限公司,浙江杭州311100

出　　处：《机械设计》2023年第4期99-104,共6页Journal of Machine Design

摘　　要：轮毂电机作为电动汽车的一个重要发展趋势,其能够集成制动形成驱制动合成化系统,具有较好的市场前景。然而,目前对轮毂电机制动传热的研究甚少,暂时无法预测轮毂电机制动传热的形式及其对电机某些关键零部件的影响。因此,为了解决上述问题,文中针对行业中两种典型的轮毂电机制动构型,基于PrePoMax建立了有限元模型并进行传热分析,研究了不同速度时两种构型制动盘散热及其对永磁体的温度影响。作为优选,确定了“环形盘式”构型并进行优化,降低了制动热量对永磁体的负面效应,为后续深入研究轮毂电机系统提供了思路。In-wheel motor,as a significant trend of electric vehicles,is able to integrate brakes and form drive-brake integration system,which has a promising market prospect.However,lttle research is done on breaking heat transfer of in-wheel motors,and it is difficult to predict the mode of breaking heat transfer and the effect on some key parts of in-wheel motors.Therefore,in order to solve these problems,in this article,with the focus on two typical braking configurations of in-wheel motors in the industry,the FEA models are set up and the heat-transfer analysis is carried out based on PrePoMax;efforts are made to explore the discs'heat dissipation and the effects on the permanent magnets of the two configurations in different velocities.Finally,"annular disc configuration"is selected as the top priority and then it is optimized.As a result,the breaking heat has fewer negative effects on the permanent magnets.This research provides ideas for further studies on the in-wheel motor system.

关 键 词：轮毂电机 制动 传热 永磁体 

分 类 号：U469.72[机械工程—车辆工程]