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武汉大学珞珈学院-电气工程与自动化1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;LED武汉大学珞珈学院-电气工程与自动化2AbstractWithitsrapiddevelopment,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;LED武汉大学珞珈学院-电气工程与自动化3目录摘要................................................................................................................................................1Abstract....................................................................................................................................................2引言................................................................................................................................................5第1章绪论...................................................................................................................................61.1课题开发背景...........................................................................................................................61.2设计的目的和意义.................................................................................................................61.3国内外现状及水平...................................................................................................6第2章设计方案..............................................................................................................................92.1设计任务....................................................................................................................................92.2洗衣机的设计方案.................................................................................................................92.2.1按键.................................................................................................................................92.2.2洗衣程序........................................................................................................................92.2.3设计总方框图.............................................................................................................102.3控制系统的功能....................................................................................................................10第3章硬件设计............................................................................................................................113.1控制系统的电路组成............................................................................................................113.2电源电路..................................................................................................................................113.3单片机控制电路....................................................................................................................123.3.1AT89S51单片机主控系统......................................................................................123.3.2单片机的复位电路....................................................................................................153.3.3单片机的时钟电路....................................................................................................163.3.4显示电路......................................................................................................................173.3.5蜂鸣器报警电路.........................................................................................................183.3.6电动机的控制电路..........................................................................................
本文标题:基于51单片机的全自动洗衣机控制器设计.
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