电加热饮水机设计.doc

青岛理工大学毕业设计II摘要随着计算机在社会领域的渗透,单片机的应用正在不断地深入，同时带动传统控制检测日新月益更新。在实时检测和自动控制的单片机应用系统中，单片机往往是作为一个核心部件来使用，仅单片机方面知识是不够的，还应根据具体硬件结构，以及具体应用对象特点的软件结合，以作完善。本文介绍了单片机应用于电加热饮水机的一种设计方法，该电加热饮水机具有自动化程度高、安全性好、功能多、使用方便、功率小、加热快、可靠性高等特点。它以单片机AT80C51为核心，通过3个数码管显示温度和4个按键实现人机对话，使用单总线温度转换芯片DS18B20实时采集温度并通过数码管显示，并提供各种运行指示灯用来指示系统现在所处状态，如：温度设置、加热、停止加热等，整个系统通过四个按键来设置加热温度和控制运行模式。并详细地论述了以单K机为处理器的电加热饮水机的硬件、软件设计、系统编程和抗干扰设计等方面的问题。本系统以ATMEL公司的AT80C51单片机为核心，由DS18B20、信号处理电路、键盘控制电路、LED显示电路、输出控制电路等构成。关键词：温度转换；LED显示电路；单片机；键盘控制电路ABSTRACTAlongwiththecomputerinthesocialsectorpenetrationandMCUapplicationiscontinuouslythorough,andpushthetraditionalcontroltestonthenewbeneficialupdate.Inrealtimedetectionandautomaticcontrolofthemicrocomputerapplicationsystem,theMCUisoftenasacorecomponenttouse,onlyMCUaspectsknowledgeisnotenough,shouldaccordingtothespecifichardwarestructure,andthespecificapplicationofthecharacteristicsoftheobjectsoftwarecombinationtobeperfect.Thispaperintroducedasingle-chipmicrocomputerwhichusedinelectricheatingwaterdispenserasadesignmethod,theelectricheatingwaterdispenserwithahighdegreeofautomation,securityandmulti-functionaleasytouse，smallpower，heatingquickly,andhighreliability.AT80C51microcontrollerasthecoreofit,throughthethreetemperaturedigitaldisplayand4keystoachieveman-machinedialogue,theuseofsingle-chipbustemperatureconversiontemperatureDS18B20real-timeacquisitionandthroughthedigitaldisplayandoffersavarietyofoperatinglighttoindicatesystemnowliveinthestate,suchas:temperaturesetting,heating,andstopheating,theentiresystemthroughthefourbuttonstosettheheatingtemperatureandcontroltheoperatingmode.Thepaperdescribedindetailbythesingle-chipprocessorpowerforheatingwaterdispenserhardware，softwaredesign,systemdesign,programmingandanti-jammingproblems.ThecontrollerATMELCorporationAT80C51single-chipmicrocomputerasthecore,bytheDS18B20,signalprocessingcircuit，keyboardcontrolcircuit，LEDdisplaycircuit，putcontrolcircuit,etc.keywords：temperatureconversion；LEDdisplaycircuit；keyboardsingle-chipmicrocomputer；controlc