PLC汽车清洗控制设计.doc

重庆机电职业技术学院课程设计说明书设计名称:电气控制与PLC应用题目:汽车清洗控制系统学生姓名:李奎专业:机电一体化班级:2009级5班学号:1260720121224指导教师:李波日期:2011年6月30日重庆机电职业技术学院课程设计任务书机电一体化专业2009年级5班李奎一、设计题目汽车清洗控制系统二、主要内容1、动作要求①若方式选择开关(COS)置于手动方式,当按下START启动按钮后,按下列程序动作:执行泡沫清洗(用MC1驱动);按PB1按钮则执行清水冲洗(用MC2驱动);按PB2按钮则执行风干(用MC3驱动);按PB3则结束洗车。②若方式若选择开关(COS)置于自动方式,当按START启动后,自动按洗车流程执行。其中泡沫清洗10秒、清水冲洗20秒、风干5秒,结束后回到待洗状态。③任何时候按下STOP,则所有输出复位,停止洗车。2、信号分配启动按钮、停止按钮,使用输入继电器X0、X2;方式选择开关,使用输入继电器X1;清水冲洗按钮,使用输入继电器X3;风干按钮,使用输入继电器X4;结束按钮,使用输入继电器X5;泡沫清洗驱动,使用输出继电器Y1;清水冲洗驱动,使用输出继电器Y0;风干机驱动,使用输出继电器Y2。三、具体要求根据控制要求编写设计说明书,内容包括:。。。(梯形图和指令表),用仿真软件和编程软件将程序录入计算机并进行模拟调试。(如设计过程中遇到的问题及解决方法、对课程设计的心得等)。。四、进度安排序号日期(起止天数)设计工作进度16月20日指导老师介绍课程设计应注意的事项。26月21日~6月24日收集相关资料,设计过PLC硬件配置电路;PLC状态转移图;PLC控制程序等。36月25日~6月26日课程设计说明书的撰写。46月27日完成全部课程设计,并上交课程设计说明书。五、成绩评定指导教师签名日期2011年7月日系主任审核日期2011年7月日摘要本文利用PLC技术当中的定时器,达到汽车清洗的自动和手动控制,设计简单的汽车自动清洗系统,实现汽车清洗的自动化。具体步骤:采用三个定时器以及三个电机,通过对定时器的时间设置以及定时器的线路通断控制,实现当系统处于手动状态下,可以分别实现泡沫清洗、清水清洗以及清洗后的风干;当处于自动状态下,自动完成汽车清洗的一套工序。上述试验已通过实验室的模拟实验,希望此系统能够运动到相应的汽车清洗工业中。关键词:············································································································································································································································································································································································(1)欧姆龙系列··················································(2)西门子系列··················································(3)PLC的选择······································································································(1)直流电动机··················································(2)异步电动机··················································(3)同步电动机··················································(4)电机的选择···································································································