基于单片机的温度测量及控制电路设计.doc

高职学院 毕业设计（论文） 题目： 专业名称： 班级学号： 学生姓名： 指导教师： 二0一 年 月 基于单片机的保温奶瓶温度测量 及显示电路设计 学生姓名: 许振富 班级：089031 指导老师：邱玉兰 摘要：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, 本文主要介绍了一个基于AT89C51单片机的测温系统，描述了利用温度传感器测温系统的过程，对传感器在单片机下的硬件连接，软件编程以及各模块系统流程进行了分析,该系统可以方便的实现温度采集和显示，灵敏度高、体积小、功耗低等优点，适合于我们日常生活和工、农业生产中的温度测量，也可以当作温度处理模块嵌入其它系统中， 该设计是基于单片机的保温奶瓶温度测量及显示电路，及提出了保温奶瓶的温度控制方案。该设计的硬件电路主要是由单片机、模数转换器、温度传感器、发光数码管四部分组成，通过温度传感器将奶的温度传送给模数转换器，再送给单片机进行处理显示。它具有结构简单，性能稳定，功耗较低、反应灵敏、经济性好等优点，该设计的研究成果及设计理念能够很好的在别的设计中移植，做到了与实际的较好结合，具有较强的现实意义。 关键词： AT89C51 温度传感器 发光数码管 指导老师签名： 目 录 1 单片机及温度传感器的发展····································（3） 2 总体设计方案·····················································（4） 3 硬件电路模块的设计·············································（4） 3.1单片机控制模块·····················································（4） 3.2模数转换模块·······················································（7） 3.3温度采集模块·······················································（9） 3.4温度显示模块·······················································（11） 5 主程序的设计及调试·············································（12） 5.1 程序流程图·························································（12） 5.2 主程序·····························································（12） 5.3 Proteus和keilC的连接············································（14） 5.4 keil c程序调试结果················································（15） 5.5 Proteus软件仿真结果···············································（16） 5.6 硬件电路···························································（17） 5.7 安装与调试························································（18） 6总结评价·····························································（19） 参考文献······························································· ··········································································（20） 致谢····································································（21） 附录1：电路原理图···