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第三章 执行器 ............................................................................................................................................................................................2 第一节 继电器和电磁阀..................................................................................................................................................................2
理论知识 ................................................................................................................................................................................2 一、继电器 ............................................................................................................................................................................2 二、电磁阀 ............................................................................................................................................................................4 操作技能 ................................................................................................................................................................................6 三、继电器电磁阀的检测 .....................................................................................................................................................7 第二节 电动机 .................................................................................................................................................................................8 理论知识 ................................................................................................................................................................................8 一、普通直流电动机 .............................................................................................................................................................9 二、步进电机 ......................................................................................................................................................................10 操作技能 ..............................................................................................................................................................................13 三、电动机的检测...............................................................................................................................................................13 第三节 燃油泵 ...............................................................................................................................................................................13 理论知识 ..............................................................................................................................................................................13 一、燃油泵 ..........................................................................................................................................................................13 操作技能 ..............................................................................................................................................................................15 二、燃油泵的检测...............................................................................................................................................................15 第四节 喷油器 ...............................................................................................................................................................................16 理论知识 ..............................................................................................................................................................................16 一、进气歧管喷射式汽油机的喷油器构造及原理 ............................................................................................................16 二、缸内直喷式汽油机的喷油器构造及原理....................................................................................................................18 三、柴油机电控燃油喷射系统喷油器构造及原理 ............................................................................................................19 操作技能 ..............................................................................................................................................................................22 四、歧管式喷油器的检测 ...................................................................................................................................................22 五、直喷式喷油器的检测 ...................................................................................................................................................23 六、柴油机电控燃油喷射系统喷油器的检测....................................................................................................................23 第五节 压电驱动器 .......................................................................................................................................................................23 理论知识 ..............................................................................................................................................................................24 一、压电驱动器 ..................................................................................................................................................................24 操作技能 ..............................................................................................................................................................................25 二、典型压电驱动器检测 ...................................................................................................................................................25 第六节 电子节气门及旁通空气孔式怠速阀 ................................................................................................................................25 理论知识 ..............................................................................................................................................................................25 一、电子节气门 ..................................................................................................................................................................25 二、旁通空气孔式怠速阀 ...................................................................................................................................................26 操作技能 ..............................................................................................................................................................................27 三、电子节气门的检测 .......................................................................................................................................................27 四、怠速阀的检测...............................................................................................................................................................28 第七节 点火线圈、点火放大器（点火模块） ............................................................................................................................28 理论知识 ..............................................................................................................................................................................28 一、点火线圈 ......................................................................................................................................................................28 二、点火放大器 ..................................................................................................................................................................29 操作技能 ............................................................................................................................. 32
