高压共轨燃油系统喷油器电路故障诊断原理与应用研究  

Research on Fault Diagnosis Principle and Application of Injector Circuit in High Pressure Common Rail Fuel System

作　　者：张恒平 陈玉俊 邹郁筱 ZHANG Heng-ping;CHEN Yu-jun;ZOU Yu-xiao(Dongfeng Commercial Vehicle Technical Center,Wuhan 430000,China)

机构地区：[1]东风商用车技术中心,湖北武汉430000

出　　处：《汽车电器》2023年第6期50-54,共5页Auto Electric Parts

摘　　要：电磁阀喷油器作为高压共轨燃油系统中最复杂、核心的零部件,其工作状态直接影响发动机的动力性能和排放结果,对电磁阀喷油器在工作过程中的电路故障进行实时监测是保证发动机正常工作的前提条件,且也是满足法规要求的必要条件。本文通过研究电磁阀喷油器电路故障诊断原理,对比研究不同故障模式下电路状态,并结合具体案例应用研究,对指导故障诊断设计和维修排查具有实际指导意义。As the most complex and core component in the high-pressure common rail fuel system,the working state of the solenoid valve injector directly affects the power performance and emission results of the engine.Real time monitoring of the circuit faults of the solenoid valve injector in the working process is a prerequisite to ensure the normal operation of the engine,and also a necessary condition to meet the requirements of laws and regulations.This paper studies the principle of fault diagnosis of the solenoid valve injector circuit,The comparative study of circuit states under different fault modes,combined with specific case application research,has practical guiding significance for fault design and maintenance troubleshooting.

关 键 词：喷油器 电路故障 故障诊断原理 维修排查 

分 类 号：U464.136[机械工程—车辆工程]