汽车电控发动机传感器执行器故障和检测方法VIP免费

哈尔滨应用职业技术学院毕业论文题目学生姓名系部名称专业班级指导教师教研室起止时间教务处制毕业论文项目表填表日期年月日迄今已进行周剩余周学生姓名系部专业、班级指导教师姓名职称从事专业是否外聘□是□否题目名称指导教师意见指导教师签字：年月日系意见系主任签字：年月日毕业答辩成绩：年月日小组答辩委员会成员签字：年月日答辩委员会主任签字：年月日摘要随着社会生产力的不断提高，科学文化的不段进步，人民生活水平不断提高，汽车已经成为社会生活不可缺少的交通工具。汽车不断发展的一个重要标志就是电子产品在汽车上的应用越来越广泛。在环境影响越来越被重视的今天，汽车的环境污染问题也受到重视，而电控发动机因其低排放污染，良好的动力性和经济性已经成为汽车发动机不可缺少的一部分。其组件主要有空气流量计、进气温度传感器/进气压力传感器、水温传感器、氧传感器、爆燃传感器、综合式节气门位置传感器、光电式凸轮轴/曲轴位置传感器、怠速控制阀、喷油器。本文主要介绍电控发动机以上各主要传感器、执行器的故障现象和检测方法。关键词：空气流量计、综合式节气门位置传感器、水温传感器、氧传感器。AbstractWiththeimprovementofsocialproductivityandscientificcultureisprogress,people'slivingstandardsimprovesociallife,thecarhasbecometheindispensabletraffictools.Thecontinuousdevelopmentofautomobileelectronicproductsisanimportantsymbolinthecarusedmorewidely.Intheenvironmentalimpactistakenseriouslymoreandmoretoday,automobilepollutionproblemhasattention,butbecauseofitslowelectronic-controlledengineemissionpollution,goodperformanceandfueleconomyhasbecomeanindispensablepartofautomobileengine.Themaincomponentsofairflow,theinlettemperaturesensor/inletpressuresensor,temperaturesensors,oxygensensors,knocksensor,comprehensivetypethrottlepositionsensor,thecamshaftpositionsensor,crankshaftpositionsensor,idle,injectorvalve.Thispapermainlyintroducesthemainaboveelectronic-controlledenginesensor,theactuatorfaultphenomenaanddetectionmethods.Keywords:airflow,comprehensivetypethrottlepositionsensor,thetemperaturesensor,oxygensensor.目录摘要···································································3目录···································································5绪论···································································6第一章发动机电控技术的发展·············································71.1发动机电控技术的发展··············································71.2电控技术对发动机性能的影响·······································8第二章电控发动机传感器的检测············································92.1空气流量计························································92.2进气温度传感器/进气压力传感器·····································102.3水温传感器························································112.4氧传感器·························································112.5爆燃传感器···································...