目录
1 课设目的、意义...............................................................................................................1
1.1课设的目的.................................................................................................................1
1.2课设的意义.................................................................................................................1
2前言....................................................................................................................................1
3设计方案............................................................................................................................2
3.1道闸系统的设计.........................................................................................................2
3.1.1停车场道闸系统的示意图...................................................................................2
3.2停车场道闸系统的自动化.........................................................................................3
3.2.1车辆出入库的自动化...........................................................................................3
3.2.2数量统计的自动化...............................................................................................3
3.2.3信息查询的自动化...............................................................................................3
3.2.4越界停车的自动报警...........................................................................................4
3.3停车场道闸系统工作步骤.........................................................................................4
4结合附图来说明具体实施过程........................................................................................4
4.1停车场道闸系统工作流程图.....................................................................................4
4.2停车场道闸系统的功能构成.....................................................................................5
4.2.1汽车检测功能.......................................................................................................5
4.2.2道闸开关功能.......................................................................................................5
4.2.3车辆计数功能.......................................................................................................6
4.2.4越界报警功能.......................................................................................................6
4.3元器件的分析与选择.................................................................................................7
4.3.1PLC的分析与选择...............................................................................................7
4.3.2传感器的选择.......................................................................................................9
4.3.3电机的选择.........................................................................................................11
4.3.4摄像头选择.........................................................................................................11
4.3.5显示装置的选用.................................................................................................12
4.3.6其他器件选择.....................................................................................................13
4.4硬件的设计...............................................................................................................13
4.4.1PLC框架设计.....................................................................................................13
4.4.2PLCI/O编号的分配............................................................................................14
4.4.3PLC外部接线图设计.........................................................................................14
4.4.4电器控制原理图的设计.....................................................................................15
4.5 PLC程序...................................................................................................................16
5 课设成果.........................................................................................................................21
6遇到问题及解决办法......................................................................................................22
6.1方案可行性...............................................................................................................22
6.2方案优缺点...............................................................................................................22
6.3方案的改进...............................................................................................................22
7课设感想..........................................................................................................................22
8参考文献..........................................................................................................................24