2024.3,4(2)|材料装备技术与应用基于新型热管理集成架构的余热回收特性研究汤五洋1,陈涛2,王国春1(1.湖南湖大艾盛汽车技术开发有限公司整车性能集成部,湖南长沙410006;2.湖南大学机械与运载工程学院,湖南长沙410082)摘要:基于R134a冷媒提出了一种新的热管理集成架构,利用9通阀模式切换实现回收电池电机余热,主要通过压缩机能耗和COP两项指标评估其低温行车工况下的余热回收效果。本文进行了AMESIM系统模型搭建,并基于基础工况试验数据进行了仿真模型标定,保证了模型可信度;同时本架构和其他架构进行了仿真对比。仿真结果表明:本文研究的集成架构在寒冷低温环境下,热泵模式可回收利用电池电机两大废热,余热回收量高达到3.412kW;系统能量消耗减少至0.62kW,相对传统热泵系统降低了50.34%;系统COP最高可达4.465,相对传统热泵系统大幅度提升了50.39%,为增加新能源车低温续航能力提供了有力保障。关键词:热管理;余热回收;九通阀;模型标定;低温续航ResearchonwasteheatrecoverycharacteristicsbasedonnewthermalmanagementintegratedarchitectureTANGWuyang1,CHENTao2,WANGGuochun1(1.VehicleperformanceIntegrationDept.,AISNAUTOR&DCo.,Ltd.,Changsha410006,China;2.CollegeofMechanicalandVehicleEngineering,HunanUniversity,Changsha410082,China)Abstract:Inthispaper,anewintegratedthermalmanagementarchitectureisproposedbasedonR134arefrigerant,whichuses9-portvalvemodeswitchingtorecoverwasteheatfrombatterymotors,andevaluatesitswasteheatrecoveryeffectunderlowtemperaturedrivingconditionsmainlythroughcompressorenergyconsumptionandCOP.Inthispaper,theAMESIMsystemmodelisconstructed,thesimulationmodelcalibrationiscarriedoutbasedonthebasicworkingconditiontestdatatoensurethecredibilityofthemodel,andthesimulationcomparisonbetweenthisarchitectureandotherarchitec⁃turesiscarriedout.Thesimulationresultsshowthatthenewintegratedarchitecturestudiedinthispa⁃percanrecoverthetwokindsofwasteheatofthebatteryandmotorintheheatpumpmodeinthecoldandlowtemperatureenvironment.Thewasteheatrecoverycapacityisashighas3.412kW,andthesystemenergyconsumptionisreducedto0.62kW,whichis50.34%lowerthanthatofthetraditionalheatpumpsystem.TheCOPofthesystemcanre...