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1密级：JINGGANGSHANUNIVERSITY专科毕业论文（设计）题目：数字温度传感器的设计学院电子与信息工程学院专业电子信息工程技术姓名xxx班级2009级专（1）班学号90522014指导教师xxx起讫时间2011.11——2012.052数字温度传感器的设计作者:xxx2009级专(1)班指导老师:xxx[摘要]随着人们生活水平的不断提高,单片机控制无疑是人们追求的目标之一，它所给人带来的方便也是不可否定的，其中数字温度计就是一个典型的例子，要为现代人工作、科研、生活、提供更好的更方便的设施就需要从数单片机技术入手，一切向着数字化控制，智能化控制方向发展。本设计所介绍的数字温度计与传统的温度计相比，具有读数方便，测温范围广，测温准确，其输出温度采用数字显示，主要用于对测温比较准确的场所，或科研实验室使用。现代测温应用中，温度计向数字化方向发展。传统的机遇物理方法的温度计功能单一，而数字温度计以其便携，检测精度高，功能多等优点应用的越来越广泛。[关键词]单片机；温度计；智能化控制DigitaltemperaturesensordesignAuthor：xxxxxxxxTeacher：xxxxxxxxxxDept.ofComputer，JinggangshanCollege，Ji’an，343009，China；[Abstract]Aspeoplelivingstandardriseceaselessly,SCMcontrolisundoubtedlyoneofthegoalsofthepeopletopursue,itbringsconvenienceisnotnegative,includingdigitalthermometerisoneexample,formodernpeopletowork,scientificresearch,life,providebettermoreconvenientfacilitiesneedmicrocontrollertechnologyfromseveraloftowardalldigitalcontrolsystem,intelligentcontroldirection.Asintroducedinthedigitalthermometerandthetraditionalthermometer,itischaracterizedbyeasyreading,temperaturemeasuringrange,temperaturemeasurementisaccurate,itsoutputtemperatureusingdigitaldisplay,mainlyusedformeasuringtemperatureispreciseplace,orscientificresearchlaboratoryuse。Modernmeasuringtemperatureapplications,thethermometertothedigitaldevelopmentdirection，traditionalphysicalmethodofthermometersopportunitysinglefunction,anddigitalthermometerwithitsportable,highaccuracy,thefunctionismuchadvantagesofapplicationmoreandmorewidely.[Keywords]Singlechipmicrocomputer、Thethermometer;Intelligentcontrol3目录第1章前言..................................................................................................................................41.1单片机简介.........................................................................................................................41.2基于单片机和温度传感器设计数字温度计的发展现状.................................................41.3基于单片机和温度传感器设计数字温度器的技术现状.................................................51.4选择设计的意义.................................................................................................................5第2章单片机温度设计制作准备...............................................................................................62.1电路介绍.............................................................................................................................62.2制作焊接要求及注意事项.................................................................................................62.3制作所需电子元件及其功能介绍.....................................................................................72.4安装完成调试说明及使用说明.........................................................................................8第3章单片机的温度计设计各个部分工作及其相关性能介绍...............................................83.1温度计的总体设计.............................................................................................................83.1.1总体论述..................................................................................................................83.1.2设计思路..................................................................................................................93.2硬件说明.............................................................................................................................93.2.1测量输入模块...........................................................................................................93.2.2键盘输入模块.........................................................................................................133.2.3显示模块................................................................................................................143.2.4报警模块................................................................................................................143.2.5设计思路................................................................................................................143.2.6AT89C2051的低功耗措施.......................................................................................153.2.7主控制部分及系统方案.........................................................................................153.3软件和功能的说明............................................................................................................163.3.1数据的读取............................................................................................................163.3.2DS18B20的软件设计..............................................................................................17第4章设计制作心得体会.........................................................................................................18参考文献........................................................................................................................................18致谢........................................................................................................................................18附表................................................................................................................................................194第1章前言1.1单片机简介单片机全称为单片微型计算机。单片机发展始于70年代，经过30多年的发展，由于其具有高集成度、低