基于磁阻原理的节气门位置传感器故障诊断研究  

Research on Fault Diagnosis of Throttle Position Sensor Based on Magnetic Resistance Principle

作　　者：张明星 郭丽娜 吕凯 郝魁 ZHANG Mingxing;GUO Lina;LV Kai;HAO Kui(Department of Vehicle Engineering,Baotou Vocational and Technical College,Baotou 014035,China)

机构地区：[1]包头职业技术学院车辆工程系,内蒙古包头014035

出　　处：《汽车实用技术》2024年第14期121-125,共5页Automobile Applied Technology

摘　　要：节气门位置传感器是实现汽油车燃油喷射精准控制的核心部件之一,而磁阻式节气门位置传感器为新型节气门位置传感器,信号盘与传感器无机械接触的信号输出方式,让其具有寿命长、工作稳定、故障率低的显著性能优势,随着装配车型越来越多,对其检测维修方法、案例需求也增多。文章以大众迈腾B8L车型为例,首先介绍了磁阻式节气门位置传感器的安装位置、作用,随后介绍了大众迈腾B8L磁阻式节气门位置传感器的结构及工作原理,最后阐述了迈腾B8L磁阻式节气门位置传感器故障现象、故障分析、故障诊断及故障排除方法。其中故障诊断用到了汽车解码仪、示波器、万用表等测试诊断工具,对于类似的电控系统故障诊断有一定参考意义。The throttle position sensor is one of the core components for achieving precise control of fuel injection in gasoline vehicles,and the reluctance throttle position sensor is a new type of throttle position sensor.The signal output method of the signal plate and sensor without mechanical contact gives it significant performance advantages such as long service life,stable operation,and low failure rate.With the increasing number of assembled vehicle models,the demand for its detection and maintenance methods and case studies is also increasing.This article takes the Volkswagen Magotan B8L model as an example,first introduces the installation position and function of the reluctance throttle position sensor,then introduces the structure and working principle of the Volkswagen Magotan B8L reluctance throttle position sensor,and finally elaborates on the fault phenomenon,fault analysis,fault diagnosis,and troubleshooting methods of the Magotan B8L reluctance throttle position sensor.Among them,fault diagnosis uses testing and diagnostic tools such as car decoders,oscilloscopes,and multimeters,which have certain reference significance for similar electronic control system fault diagnosis.

关 键 词：节气门位置传感器 磁阻 故障诊断 

分 类 号：U472[机械工程—车辆工程]