基于单片机的自动洗衣机控制系统的设计

-I基于单片机的自动洗衣机控制系统的设计摘要：洗衣机是现代人必备的日常生活家电，它的发明和应用使人们的洗衣工作变得省时又省力，很好地缓解了人们在家务劳动方面的压力。一般的数字逻辑电路控制的洗衣机只有两三个程序，也有一按通的傻瓜程序。而基于单片机控制的洗衣机可以复杂程序控制，将水位段细化，漂洗功能细化，加上适用不同衣物等功能，洗涤程序大大增加。本次设计采用AT89C51单片机作为洗衣机控制系统的主控芯片，洗衣机的各种洗衣程序运行都在单片机的控制下，使得洗涤、漂洗、脱水等各种功能的操作都不需要手动。系统的硬件设计包括电源模块、谐振式水位监测模块、洗衣机LED显示、输出控制电路，软件设计包括主程序、内部定时中断服务程序、外部中断服务程序。关键词：洗衣机；单片机；LED显示-IIDesignofAutomaticWashingMachineControlSystemBasedonSingleChipMicrocomputerAbstract：Thewashingmachineistheapplianceinpeople’sdailylife,itsinventionandapplicationtothejobgetstime-saving,andrelievesthepressureinthedomesticlabour.Thedigitallogictocontrolcircuitofthewashingmachinehasonlytwoorthreeprograms,alsohasafoolaccordingtotheprogram.Buttherevivificationofwashingmachinecancontrolalargecomplexprogram,andcanturnthewaterlevelandrinsingfunctionsintotiny,becauseofitsdifferentfunctionsinclothing,washingprocedureincreasessignificantly.ThisdesignusesAT89C51asthemaincontrolchip,alltheprogramsofthewashingmachineareunderthecontroloftheCPUsothatwashing,rinsinganddehydrationfunctionsdon’tneedtobeoperatedbymanual.Thehardwaredesignofthesystemincludespowermodule,watermonitoringmodule,LEDdisplayandoutputcontroller,thesoftwarepartiscomposedofthemainprocedure,timingservicesapplicationandexternalservices.Keywords:WashingMachine;SingleChipMicrocomputer;LEDdisplay目录1绪论......................................................................................................................................21.1课题提出的目的及意义......................................................................................21.2国内外研究现状...................................................................................................21.3发展趋势.................................................................................................................31.4系统的工作流程...................................................................................................41.5主要研究内容........................................................................................................42系统的整体方案设计......................................................................................................62.1系统的整体构架...................................................................................................62.2系统技术方案........................................................................................................62.3系统功能方案........................................................................................................63系统的硬件设计..............................................................................................................103.1主控电路的设计.................................................................................................103.1.1关于AT89C51芯片............................................................................103.1.2AT89C51图的引脚图及总线结构图.................................................83.1.3AT89C51外围辅助电路的设计........................................................103.2各部分电路设计.................................................................................................143.2.1洗衣机控制器控制面板的设计.......................................................103.2.2按键的内部连接....................................................................................123.2.3晶闸管驱动控制电路设计................................................................123.2.4水位监测电路设计..............................................................................143.2.5开关电源电路设计...............................................................................163.2.6键盘输入及显示电路设计................................................................173.2.7报警电路设计........................................................................................213.3本章小结...............................................................................................................274系统的软件设计..............................................................................................................274.1主程序...................................................................................................................284.2键盘中断子程序设计........................................................................................304.3内部定时中断程序设计....................................................................................324.4外部中断设计......................................................................................................344.5本章小结...............................................................................................................345总结....................................................................................................................................36参考文献................................................................................................................................29谢辞.......................................................................................................错误!未定义书签。附录Ⅰ自动洗衣机控制系统总程序..............................................................................38附录Ⅱ自动洗衣机控制系统总硬件连接图......................................................