基于单片机的数字温度计设计—.docVIP

课程设计(论文)说明书 题 目： 基于单片机的数字温度计设计 院 （系）： 专 业： 学生姓名： 学 号： 指导教师 职 称： 2013年 12月 7日 摘 要 随着时代的进步和发展，单片机技术已经普及到我们的生活、工作、科研、各个领域，已经成为一种比较成熟的技术。本文介绍一种基于AT89S52单片机的一种温度测量,该电路采用DS18B20作为温度监测元件，测量范围-30℃-～150℃。正文着重给出了软硬件系统的各部分电路，介绍了集成温度传感器DS18B20的原理，AT89S52单片机功能和应用。该系统可以方便的实现温度采集和显示，并可根据需要设定上下限温度，它使用起来具有精确度高、测量广、灵敏度高、体积小、功耗低等优点。该电路设计新颖、功能强大、结构简单,有广泛的应用前景。 关键词：温度测量； DS18B20 ； AT89S52 Abstract Along with the progress and development of the ages,single slice the machine technigue has already make widely availablc the life is to us,work,research,each reach,have alrealy become the technique of a kind of comparison maturity.The introduction of a cost-based AT89S52MCU a temperatur measurement circuits, the circuits used DS18B20 high-precision temperatur sensor , measuring scope -30℃～+150℃。The paper focuses on providing a software and hardware system components circuit, introduced the theory of DS18B20, the founctions and applications of AT89S52 .System can easily to collect and display the temperature,it can also arbitrary set alarm temperature according to the accrual need.It is used convenience ,it has high precision ,wide range,high sensitivity,small size,and low power disspition,This circuit design innovative, powerful, can be expansionary strong,turu into as a complementary expansion. Key Words : Temperatur measurement ； DS18B20 ； AT89S52 目 录 引言...........................................................................................................1 1 温度计的总体设计................................................................................2 1.1 总体论述...............................................................................................2 1.2 设计思路...............................................................................................2 2 硬件说明..........................