新能源汽车电驱动系统用油冷器匹配研究

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中图分类号：U469.72 文献标志码：A DOI：10.20104/j.cnki.1674-6546.20240227

【Abstract]Inorder to match oil coolerof new energyvehicle electric drivesystem，this paper analyzes the key points suchas instalationspace matching，fluid parameter matching，heat disipation powermatchingandconvectionmodeselection to obtainthecalculation methods fortheheat generation powerofheatsources （such as gear meshing，gearoilagitation，bearing friction，clutchdrag，oilpump work，etc.）and thenatural heat dissipationpowerof thesystem，according towhichcooler performance parameterdesign isconducted.Electricdrivesystem temperaturerisebench testresultsshowthatthe temperature riseindex and the selection of the oil cooler meet the design requirements.

Key words：New energy vehicles，Electric drive system，Drive motor，Gearbox，Transmission， Oil cooler

【引用格式】朱恩强，洪亮，孙冉.新能源汽车电驱动系统用油冷器匹配研究[J].汽车工程师，2025（11）：6-11+16. ZHU EQ， HONG L，SUN R.Research on the Matching of Oil Coolers for Electric Drive System in New Energy Vehicles[J].Automotive Engineer，2025（11）： 6-11+16.

1前言

电驱动系统作为新能源汽车的关键部件，主要包含驱动电机及其控制器、传动系统（减速器或变速器）。（剩余8509字）