数字温度计课程设计

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1、智能电子产品设计制作课程设计（论文）题目:《数字温度计》学院：电气与电子信息工程学院专业名称：电子信息工程技术学号：200930240117学生姓名：魏跃福同组成员：李华夏陈林杨波徐家腾指导教师：艾青、邓彬伟教师评语：等级课设时间：2011年6月13日—2011年6月24日目录17引言1课程设计的目的和意义········································31.1温度计的设计内容··········································31.2课程设计要求································

2、··············32总体设计方案·······································32.1数字温度计设计方案论证····································32.1.1方案一····················································32.2方案二的总体设计框图·······································42.1.2方案二··················································42.2.

3、1主控制器··················································42.2.2显示电路17··················································42.2.3温度传感器················································42.3DS18B20温度传感器与单片机的接口电路························72.4系统整体硬件电路············································72.4.1主板电

4、路··················································72.4.2显示电路···················································73系统软件算法分析···············································93.1主程序························································93.2读出温度子程序···············································

5、93.3温度转换命令子程序············································93.4计算温度子程序·················17·······························93.5显示数据刷新子程序·········································94总结与体会············································95程序·························································10六、元器

6、件清单·····················································15数字温度计引言随着时代的进步和发展，单片机技术已经普及到我们生活，工作，科研，各个领域，已经成为一种比较成熟的技术,本文将介绍一种基于单片机控制的数字温度计，本温度计属于多功能温度计，可以设置上下报警温度，当温度不在设置范围内时，可以报警。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，但人们对它的要求越来越高，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

7、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，该设计控制器使用单片机STC89C51，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，数字控制，温度计，DS18B20，STC89C511课程设计的目的和意义171.1温度计的设计内容：(1)温范围在-55~125℃，误差在±0.5℃以内。(2)分