某PHEV汽车电机冷却系统热管理策略优化  

Optimization of Thermal Management Strategies for Motor Cooling System in a Plug-in Hybrid Electric Vehicle

作　　者：易舒 刘慧军 徐作文 牛丽媛 YI Shu;LIU Huijun;XU Zuowen;NIU Liyuan(College of Energy Engineering,Zhejiang University,Hangzhou 310027,China;Zhejiang ZOTYE Automobile Engineering Research Institute,Hangzhou 310018,China)

机构地区：[1]浙江大学能源工程学院,杭州310027 [2]浙江众泰汽车工程研究院,杭州310018

出　　处：《车辆与动力技术》2020年第2期25-30,35,共7页Vehicle & Power Technology

基　　金：浙江省重点研发计划项目智能节能动力总成研发及应用-智能网联混合动力总成关键技术研发与应用(2018C01057)。

摘　　要：针对某插电式混合动力汽车(PHEV)设计了一套热管理系统,来保证其动力系统、电池系统、空调系统在各工况下安全可靠地运行.通过虚拟仿真分析技术,对动力系统中的电机冷却系统在典型工况进行仿真分析,评估了电机冷却系统设计的可行性.另外,考虑到热管理系统的能耗,对电机冷却系统中电动水泵及其控制策略进行优化.计算结果显示,优化后春秋季、夏季环境的城市循环工况,电动水泵能耗分别降低了54%和85%,能耗降低明显.In order to guaranteeing the power system,battery system,air conditioning system in a safe and reliable operation in various operating conditions,a thermal management system for Plug-in Hybrid Electric Vehicle is designed.Through the virtual simulation technology,the feasibility of motor cooling system is evaluated in different operating conditions.In addition,considering the energy consumption of thermal management system,the control strategies of electric pump in motor cooling system is optimized.Calculation results show that,after optimization,the electric pump energy consumptions was reduced by 54% and 85% respectively in the city driving cycles condition in spring and summer environment.

关 键 词：插电式混合动力汽车(PHEV) 热管理 电动水泵控制逻辑 

分 类 号：U463.6[机械工程—车辆工程]