混合动力汽车电控模块的水冷散热优化设计  

Optimization Design of Water-Cooled Heat Dissipation for Electric Control Module of Hybrid Electric Vehicle

作　　者：汪洋 周云艳 闫志豪 侯计营 李子恒 WANG Yang;ZHOU Yunyan;YAN Zhihao;HOU Jiying;LI Ziheng(School of Mechanical and Electrical Engineering of Huangshan University,Huangshan 245041,China;Anhui Power Integrated Circuit Engineering Research Center,Huangshan 245041,China)

机构地区：[1]黄山学院机电工程学院,安徽黄山245041 [2]安徽省功率集成电路工程研究中心,安徽黄山245041

出　　处：《河南科技》2025年第2期52-56,共5页Henan Science and Technology

基　　金：国家级大学生创新训练项目“混合动力汽车电控模块水冷散热结构的设计”(202310375016);智能微系统安徽省工程技术研究中心开发研究项目“1200 V高效逆变模块封装结构的关键技术研究”(ETRCIM202303)。

摘　　要：【目的】混合动力汽车电控模块的水冷散热设计是确保电控系统在各种工况下稳定运行的关键技术。为提升电控模块的稳定性和可靠性,开展水冷散热结构的优化设计。【方法】通过数值模拟分析影响模块水冷散热性能的因素,包括散热器入口流量、进出口位置及散热器流道结构。【结果】仿真结果表明,增加入水口流速能在一定程度上降低模块温度,但效果随着流速增加而递减。同时,出入水口的合理布局对提高散热效率至关重要,错位型仿翅柱流道设计相较于传统直柱型流道,在散热效果和温度分布均匀性方面有显著提升。【结论】错位型仿翅柱流道设计能有效改善电控模块的散热性能,有助于模块维持在适宜的工作温度,对混合动力汽车电控模块的散热设计具有重要的工程意义。[Purposes]The design of water-cooled heat dissipation for hybrid electric vehicle electric con⁃trol modules is critical for ensuring stable operation under various conditions.This study focuses on optimizing the water-cooled heat dissipation structures to enhance the module’s stability and reliability.[Methods]Using numerical simulation,factors influencing the water-cooled heat dissipation performance of the module are analyzed,including the inlet flow rate of the radiator,the position of the inlet and outlet,and the flow channel structure of the radiator.[Findings]Simulation results show that increasing the inlet flow rate can reduce the module temperature to a certain extent,but the effect diminishes as the flow rate increases.At the same time,the rational layout of the inlet and outlet is crucial for improving heat dissipation efficiency.The staggered fin flow channel design significantly improves the heat dissipation effect and temperature distribution uniformity compared to the traditional straight fin flow channel.[Conclusions]The staggered fin flow channel design can effectively improve the heat dissipation performance of the electric control module,help maintain the module at a suitable working temperature,and has important engineering significance for the heat dissipation design of HEV electric control modules.

关 键 词：电控模块 水冷 散热 仿真 

分 类 号：TM41[电气工程—电器]