大学毕业论文(设计)xxxxxxxxx大学学位论文基于单片机的红外温度计系统姓名:专业:学院:指导教师:提交日期:2017年月日大学毕业论文(设计)摘要随着社会的进步和发展,人们越来越重视身体健康,同时技术的进步,各种现代化电子设备在各个领域应用越来越广,电子计算机也越来越普及,在医疗领域,温度计应用非常广泛,但是传统的温度计读数不准,温度示数读取不方便,特别是一些老人,更是不能独自使用传统温度计,针对这种情况,本课题设计研究了一款基于单片机的红外温度计。该系统的主要功能是通过红外传感器非接触检测人体温度,根据软件中对报警温度的设置,检测的温度超过37度,蜂鸣器就会报警。系统的硬件组成部分主要包括单片机控制器,非接触式TN901红外测温传感器、lcd1602液晶显示、蜂鸣器电路等部分。软件部分是利用单片机C语言编程,C语言入门简单,编程效率较高,方便移植,复用性良好,系统软件编程均为函数化设计,方便了功能逻辑实现。当系统开始工作时,传感器采集的信号传送到单片机中,单片机经过处理后,将温度信息显示在液晶上。利用该系统能够方便的检测人体温度,具有方便快捷的优点,在电子设备迅速普及应用的今天该系统具有广泛的实际应用价值,在后期逐渐完善功能后,通过进一步推广,能够带来可观的经济效益。关键词:红外传感器,单片机,蜂鸣器电路,液晶显示大学毕业论文(设计)ABSTRACTWiththesocialprogressanddevelopment,peoplepaymoreandmoreattentiontohealthatthesametime,theprogressoftechnology,modernelectronicequipmentusedinvariousfieldsmoreandmorewidely,computerismoreandmorewidelyusedinthemedicalfield,thethermometeriswidelyused,butthetraditionalthermometertemperatureallowed,showsthenumberofreadsisnotconvenient,especiallysometheoldmanisnotalone,theuseoftraditionalthermometer,inviewofthissituation,thedesignofaninfraredthermometerbasedonmcu.Themainfunctionofthesystemistodetectthehumanbodytemperaturebynon-contactinfraredsensor,accordingtothesettingofthealarmtemperatureinthesoftware,thedetectiontemperatureofmorethan37degrees,thebuzzerwillalarm.ThehardwareofthesystemmainlyincludesMCUcontroller,non-contactTN901infraredtemperaturesensor,LCD1602LCDdisplay,buzzercircuitandsoon.Partofthesoftwareistheuseofsingle-chipClanguageprogramming,Clanguageentryissimple,highprogrammingefficiency,easytotransplant,goodreusability,systemsoftwareprogrammingarefunctionaldesign,facilitatetherealizationoffunctionallogic.Whenthesystemstartstowork,thesignalcollectedbythesensoristransmittedtothemicrocontroller,andthetemperatureinformationisdisplayedonthelcd.Thesystemcandetectthetemperatureofthehumanbodyhastheadvantagesofconvenient,fastandconvenient,rapidpopularizationandapplicationinelectronicdevicestoday,thesystemhasabroadapplicationvalueinthelatergraduallyimprovethefunction,throughfurtherpromotion,canbringconsiderableeconomicbenefits.Keywords:infraredsensor,MCU,buzzercircuit,liquidcrystaldisplay4大学毕业论文(设计)目录摘要..............................................................IABSTRACT...........................................................II目录............................................................III第一章引言.........................................................11.1研究背景和意义..................................................11.2体温计发展现状..................................................11.3本课题的研究内容................................................11.4本文结构........................................................2第二章设计方案.....................................................32.1主控芯片设计方案.............................