1武汉大学珞珈学院-电气工程与自动化基于单片机的全自动洗衣机控制系统刘亚强电气工程与自动化电气0903班学号20091080601104指导教师苏韬摘要随着数字技术的快速发展，数字技术被广泛应用于智能控制的领域中。单片机以体积小、功能全、价格低廉、开发方便的优势得到了许多电子系统设计者的青睐。它适合于实时控制，可构成工业控制器、智能仪表、智能接口、智能武器装置以及通用测控单元等。本文以AT89S51单片机为核心设计了全自动洗衣机控制系统，本系统实现了对洗衣机整个洗衣过程的控制，包括用户参数输入、洗衣、脱水和结束报警四个阶段。控制系统主要由电源电路、单片机控制系统和外部硬件电路三大模块组成。电源电路为单片机主控系统提供5v的直流电压；单片机主控系统负责控制洗衣机的工作过程，主要由AT89S51单片机、数码管、按键、蜂鸣器、LED指示灯组成；外部硬件电路有继电器、三极管、LED灯组成。本系统的电路并不复杂，给AT89S51单片机载入软件程序后，能够实现全自动洗衣机的基本功能。虽然不能与电器市场上的洗衣机控制系统媲美，但也具有一定的实用性。关键词：AT89S51；用户参数；继电器；控制系统；LED2武汉大学珞珈学院-电气工程与自动化AbstractWithitsrapiddevelopment,digitaltechnologyiswidelyusedinthefieldofcontrolsystem.Singlechipmicrocontrollerisfavoredbymanyelectronicsystemdesignersforitssmallness,fullfunction,lowpriceandeasyapplication.Itsprettyfitforreal-timecontrolasacoreinindustrialcontroller,intelligentapparatus,intelligentinterface,intelligentweapondevice,universalmeasurecontrolunit,etc.Thisarticledesignsafull-automaticwashingmachinecontrolsystemwithAT89S51ascore.Thissystemrealizeswholeworkingcourseoffull-automaticwashingmachine,includingfourparts:userparameterinput,wash,dehydrateandendingmusicplay.Hardwaresystemismadeupofthreemodules:powersupplycircuit,digitalcontrolcircuitandmachinecontrolcircuit.PowersupplycircuitprovidessteadyDC5VvoltagefordigitalcontrolcircuitandAC220Vformotor.Digitalcontrolcircuittakeschargeofcontrollingtheworkingcourse.ItconsistsofAT89S51,double-figuredcommon-cathodednumeraldisplay,buttons,buzzer,LED.Machinecontrolcircuitrealizesthefunctionsofwaterleveldetect,motordriven,waterimportandexport,itconsistsofwaterleveldetector,motor,transmissionsystemcomponentsandpenstocks.AfterdownloadingtheprogramtoAT89S51,thiscircuitcanrealizebasicfunctionsoffull-automaticwashingmachine.Itseemshardforthiscontrolsystemtocomparewithperfectonesintheelectricalappliancemarket,butithascertainpracticability.Keywords:AT89S51;Userparameterinput;waterleveldetector;Controlsystem;LED3武汉大学珞珈学院-电气工程与自动化目录摘要.................................................................................................................................................IAbstract...................................................................................................................................................II引言................................................................................................................................................1第1章绪论...................................................................................................................................21.1课题开发背景............................................................................................................................21.2设计的目的和意义..................................................................................................................21.3国内外现状及水平................................................
