整理89c温度检测.doc

数字温度计设计 PAGE PAGE I 郑州科技学院 专科毕业设计（论文） 题 目 数字温度及设计 学生姓名 薛京超 专业班级 电气一班 学 号 200916030 所 在 系 电气工程系 指导教师 杨 瑞 完成时间 2012年03月 18日 数字温度计设计 PAGE II 基于DS18B20温度传感器的数字温度计设计 摘 要 单片机在日用电子产品中的应用越来越广泛，温度则是人们日常生活中常常需要测量和控制的一个量。科学技术的发展和检测技术的发展是密切相关的。现代化的检测手段能达到的精度、灵敏度及测量范围等，在很大程度上决定了科学技术的发展水平。 本设计以单片机和温度传感器为核心，设计数字温度计。实现对温度的采集和监视。在温度采集的实现中，使用了STC89C52RC单片机和温度传感器DS18B20，温度监视部分利用动态驱动技术，以单片机驱动液晶显示屏。温度测量范围-55℃～+125℃。正文着重介绍了STC89C52RC单片机功能和应用,集成温度传感器DS18B20的原理，1602的简介与应用，给出了硬件系统的各部分电路及相关程序。 关键字 温度传感器/单片机/显示屏 Digital thermometer based on DS18B20 temperature sensor design ASBTRACT Along with the development of the world, microcontroller technology has spread to our life, work, scientific research fields, it brings convenience is not negative, including digital thermometer is one example, but people to demand more and more of it for modern job, scientific research, life, provide better more convenient facilities need microcontroller technology from several of toward all digital control system, intelligent control direction. Microcomputer in the daily application of electronic products is more and more extensive, temperature is Peoples Daily life often need to measure and control of a quantity. The development of science and technology and detection technology development are closely related. Modern means of detection can achieve precision, sensitivity and measuring range, etc, to a great extent determine the development of science and technology level. This design with the single chip processor and temperature sensor as the core, to design digital thermometer. To achieve the collection of temperature and monitoring. In temperature collection, the use of the STC89C52RC single-chip microcomputer and temperature sensor DS18B20, temperature monitoring the part USES dynamic d