基于单片机的语音温度计的设计

学士学位论文系别：计算机科学与技术系学科专业：计算机科学与技术姓名：王磊运城学院2007年6月基于单片机的语音温度计的设计系别：计算机科学与技术系学科专业：计算机科学与技术姓名：王磊指导教师：朱铭琳运城学院2007年6月语音温度计的设计摘要随着人们生活水平的提高，各电子产品突飞猛进的发展，电子测量仪也逐渐丰富起来，原来的模拟产品逐步向数字化综合化转化，并且不断走向人性化。该设计的实现在工农业生产以及科学实验中起到不可忽视的作用，发挥了它灵活轻巧使用方便的特点。该设计语音播报系统能够充分发挥人性化的性质，利用AT89S51作为单片机的主芯片，配合DS18B20温度传感器，实现带语音播报功能的温度测试仪。并且在实现语音播报当前温度的同时，也实现了数字液晶显示的功能，功能更形象使用更方便智能。本设计所介绍的语音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，该设计控制器使用单片机AT89S51，测温传感器使用DS18B20，用3位共阳极LED数码管以串口传送数据,实现温度显示,能准确达到以上要求。关键词单片机；温度计；温度传感器；设计ThermometerofDesignAbstractAlongwiththetimeprogressandthedevelopment,themonolithicintegratedcircuittechnologyalreadypopularizedtouslives,thework,thescientificresearch,eachdomain,willalreadybecomeonekindofquitematuretechnology,thisarticleintroducedonekindthedigitalthermometerwhichcontrolledbasedonthemonolithicintegratedcircuit.Thisdesignintroducedthedigitalthermometerandthetraditionalthermometercompares,hasthereadingtobeconvenient,measuredthewarmscopeisbroad,measuredwarmaccurate,itsoutputtemperatureusesthenumeraltodemonstrate,mainlyusesintomeasuredthewarmquiteaccurateplace,orthescientificresearchlaboratoryuse,thisdesigncontrollerusemonolithicintegratedcircuitAT89S51,measuredthewarmsensorusesDS18B20,thisthermometermayadjustthedemonstrationdate,thetime,mayestablish,themaximumtemperaturelowlyreportstothepolicethevalue.Thesurveytemperaturesurpassesthehypothesisthetemperaturebound,startsthebuzzerandtheindicatinglampreportstothepolice.Thetemperaturedemonstrationisstable.Therealizationtemperaturedemonstratedthat,canaboveachieveaccuratelyrequests.KeywordsSCM;thermometer;temperature;sensor;Design目录引言..............................................................................................................................................................1第1章绪论........................................................................................................................................................21.1课题背景...........................................................21.2语音温度计的国内外状况.............................................21.3温度参数、语音播报.................................................31.3.1温度参数................................................................................................................................31.3.2语音播报................................................................................................................................3第2章硬件设计................................................................................................................................................42.1方案论证和比较.....................................................42.2设计原理...........................................................42.2.1主控制器................................................................................................................................42.2.2温度传感器............................................................................................................................52.2.3DS18B20温度传感器与单片机的接口电路.........................................................................62.2.4主板电路................................................................................................................................62.2.5.语音温度计显示模块............................................................................................................72.3设计过程...........................................................72.3.1总体设计................................................................................................................................72.3.2各模块设计..........................................................................................................................122.4单片机的简介和发展趋势............................................142.4.1单片机的特点......................................................................................................................142.4.2单片机的应用领域和发展趋势..........................................................................................15第3章软件设计..............................................................................................................................................163.1设计思路..........................................................163.1.1语音温度计设计的基本原理..............................................................................................163.1.2读出温度子程序..................................................................................................................163.1.3显示数据刷新子程序..........................................................................................................183.1.4软件结构设计......................................................................................................................183.2程序设计..........................................................193.2.1程序总设计..........................................................................................................................193.2.2LED显示程序模块...............................................................................................................1