新能源汽车碰撞高压线束碰撞安全判定

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【Abstract】Thisarticleaddresses the issue ofinsuficientresearchonthesafetyof high-voltage wiring harnesses in collsion scenariosof new energyvehiclesandproposesasafetydetermination methodthatintegratesmulti-scaletestsand simulationanalysis.Firstly，bylayer-by-layeranalysisofthemechanicalpropertiesofhigh-voltagewireharness materials，a twocomponent equivalentfiniteelementmodelisestablished;secondly，adedicated extrusion testingdevice is designed totestthewireharnessesprotectedbycorugated tubesandanti-cuting cloth.Finally，bycomparingthe vehicle collision simulation and test thresholds，a criterion system with a 10% safety margin was established to provide a reference for the safety design of high-voltagewiring harnesses.

【Keywords】new energy vehicles；high-voltage wiring harness；colision safety；judgment method；finite elementsimulation

0 引言

随着全球能源结构转型，新能源汽车产业快速增长，其高压电气系统安全性备受关注。（剩余3279字）