比亚迪秦电动汽车高压互锁故障检修

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中图分类号：U469.72 文献标识码：B 文章编号：1003-8639（2025）06-0174-04

MaintenanceofHighVoltageInterlockFaultin BYDQinElectricVehicle

Yuan Guolun

（Ya'an Vocational and Technical College，Ya'an 6251Oo，China）

【Abstract】With therapid development of the new energy automobile industry，the importance of high-voltage interlocksystemasakeytechnology toensureelectrical safetyhasbecome increasingly prominent.However，the traditional interlock systemhascertainlimitations insensortechnology，controlalgorithm，system integrationandsafety standards，anditisdificult tomeet thehighrequirements forelectricalsafetyofnewenergyvehicles.Thispapergivesa comprehensiveoverview of the highvoltage interlock systemofnewenergy vehicles，including its basicconcept， workingprinciple，design function，applicationdevelopment status，technical progress，cause offaultoccurrence， diagnosisandfaulttreatment.Through thestudyof highvoltageinterlock system，theaimistoimprovetheelectrical safetyof new energy vehicles，reduce the risk of electric shock accidents，and provide technical support forthe healthy development of the new energy vehicle industry.

【Keywords】 new energy vehicles；high voltage interlock system；fault diagnosis

0 引言

1新能源汽车高压互锁系统概述

随着新能源汽车产业的快速发展，高压互锁系统作为保障电气安全的关键技术，重要性日益凸显。（剩余5168字）