电工电子实训教案目录目录1概述1.1课程的性质、目的和任务...............................11.2课程教学内容及学时分配...............................11.3课程教学基本要求.....................................11.4万用表装配实习的目的与意义...........................12万用表的结构与工作原理....................................32.1万用表的种类........................................32.2指针式万用表.......................................32.2.1万用表的结构特征..............................32.2.2指针式万用表的组成............................42.2.3万用表的结构..................................52.3指针式万用表的工作原理.............................52.3.1指针式万用表最基本的工作原理..................52.3.2MF47型万用表的工作原理......................72.3.3MF47型万用表电阻档工作原理..................73万用表的安装与调试.......................................103.1MF47型万用表安装步骤.............................103.2清点材料...........................................103.3二极管、电容及电阻的认识...........................143.3.1认识二极管...................................143.3.2认识电解电容.................................163.3.3认识电阻的色环...............................163.4焊接前的准备工作...................................173.4.1清除元件表面的氧化层.........................173.4.2元件引脚的弯制成形...........................183.4.3焊接练习.....................................203.4.4焊点的正确形状...............................223.4.5元器件的插放.................................233.4.6元器件参数的检测.............................233.5元器件的焊接.......................................243.5.1元器件的焊接.................................243.5.2错焊元件的拔除...............................253.5.3电位器的安装.................................253.5.4分流器的安装.................................263.5.5输入插管的安装...............................263.5.6晶体管插座的安装.............................273.5.7焊接时的注意事项.............................273.5.8电池极板的焊接...............................283.6机械部分的安装与调整...............................293.6.1提把的安装...................................293.6.2电刷旋钮的安装...............................303.6.3档位开关旋钮的安装...........................323.6.4电刷的安装...................................333.6.5线路板的安装.................................34目录3.7故障的排除.........................................353.7.1表头没任何反应...............................353.7.2电压指针反偏.................................353.7.3测电压示值不准...............................353.8万用表的使用.......................................353.8.1MF47型万用表的认识.........................353.8.2读数.........................................363.8.3测量直流电压.................................363.8.4测量交流电压.................................363.8.5测量直流电流.................................363.8.6测量电阻.....................................363.8.7使用万用表的注意事项.........................364思考题与提示.............................................38第1页共43页编号：时间：2021年x月x日书山有路勤为径，学海无涯苦作舟页码：第1页共43页1概述1.1课程的性质、目的和任务电子线路课程设计是电路理论、模拟电子技术基础、数字电子技术基础、高频电子线路等课程学习后的一个综合性实践环节，是对课程理论和课程实验的综合和补充。它主要培养学生综合运用已学过的理论和技能去分析和...
