目 录
第一章 绪论 .......................................................................................................................................1
1.1 课题研究背景 .......................................................................................................................1
1.2 自动洗车介绍 .......................................................................................................................1
1.3 PLC 控制全自动洗车机的优越性 ........................................................................................2
1.4 本课题的初步分析 ................................................................................................................3
第二章 自动洗车系统的原理及其分析 ...........................................................................................6
2.1 总体设计 ...............................................................................................................................6
2.2 系统的工作原理 ...................................................................................................................6
第三章 PLC 控制的自动洗车系统的硬件设计 ................................................................................8
3.1 自动洗车的硬件设计 ...........................................................................................................8
3.2 系统的硬件选型 ...................................................................................................................9
3.2.1 PLC 的选型 ..............................................................................................................10
3.2.2 电机的选型 .............................................................................................................11
3.2.3 变频器及控制方式选择 .........................................................................................12
3.2.4 接触器的选择 .........................................................................................................14
3.2.5 开关的选型 .............................................................................................................15
3.2.6 喷头的选型 .............................................................................................................16
3.2.7 水泵的选型 .............................................................................................................16
第四章 PLC 控制的自动洗车系统的设计 ......................................................................................18
4.1 I/O 分配 ..............................................................................................................................18
4.2 外部接线 .............................................................................................................................19
4.3 系统的工作流程 .................................................................................................................19
4.4 PLC 程序 ..............................................................................................................................24
4.4.1 左移程序 .................................................................................................................24
4.4.2 右移程序 .................................................................................................................24
4.4.3 启动灯程序 .............................................................................................................24
4.4.4 复位灯程序 .............................................................................................................25
4.4.5 喷水动作程序 .........................................................................................................25
4.4.6 刷子动作程序 .........................................................................................................26
4.4.7 清洁剂动作程序 .....................................................................................................26
4.4.8 风扇动作程序 .........................................................................................................27
第五章 基于组态王的系统监控设计 .............................................................................................28
5.1 建立监控画面 .............................................................................................................28
5.2 编写循环脚本程序 .....................................................................................................28
5.3 启动监控机系统后自动运行组态王 .........................................................................32
结 论 .................................................................................................................................................34
致 谢 .................................................................................................................................................35