PLC全自动洗衣机论文.docVIP

桂林电子科技大学信息科技学院 电气控制系统实训 系 别： 机电工程系 专 业： 电气自动化 学生姓名： 张雅磊 学 号： 1153400324 指导教师： 廖晓梅 2014年 6 月 15 日 摘 要 随着现代经济的发展和科学技术的进步，人们对日用家电的智能化、自动化的要求来越高，因此设计了利用PLC来控制的洗衣机，实现了从加水洗涤到脱水排水的全自动控制。洗衣机的进水和排水分别用进水电磁阀和排水电磁阀来执行，进水时通过电控系统使阀打开，经过水管将水注入到外桶。排水时，通过电控系统使排水阀打开，将水由外桶排出到机外，洗涤正转和反转由洗涤电动机驱动波盘正反转实现。此时脱水桶并不旋转，脱水时，通过电控系统将离合器合上，由洗涤电动机带动内桶真钻进行甩干。高低水位开关分别用来检测高低水位，启动按钮用来启动洗衣机工作，停止按钮用来实现手动停止进水排水脱水和报警。排水按钮用来实现手动排水。PLC编程简单易学，功能强大，性能稳定，抗干扰能力强而且PLC的体积小巧，能耗低。所以通过实验证明，利用PLC完成对洗衣机的控制，控制效果良好，控制性能稳定。 关键词：自动洗衣机;PLC;电磁阀 Abstract With?the?development?of?modern?economy?and?the?progress?of?science?and?technology,?people?demand?for?household?appliances?intelligent,?automation?to?the?higher,?so?the?design?by?using?PLC?to?control?the?washing?machine,?realized?from?the?water?washing?to?the?dewatering?and?drainage?of?full?automaticcontrol.Washing?machine?of?feed?water?and?drainage?with?water?drainage?solenoid?valve?solenoid?valve?and?to?perform,?water?through?the?electronic?control?system?make?the?valve?opened,?through?the?pipe?of?pump?water?to?the?tub.Drainage,?through?the?electronic?control?system?makes?the?drain?valve?is?opened,?the?water?through?the?outer?barrel?to?the?closed,?washing?forward?and?inversion?of?wave?plate?driven?by?a?washing?motor?and?reversing.At?this?time?to?take?off?the?bucket?does?not?rotate,?dehydration,?clutch?is?closed?by?electronic?control?system,?by?washing?motor?driving?inside?bucket?of?dry?real?diamonds.High?and?low?water?level?switch?is?respectively?used?to?detect?high?and?low?water?level,?the?start?button?to?start?the?washing?machine?work,?stop?button?is?used?to?implement?stopped?manually?fill?dewatering?and?report?to?the?police.Used?to?implement?the?manual?drainage?drainage?button.PLC?programming?easy?to?learn,?powerful,?stable?performance,?strong?anti-interference?ability?an