基于AT89C52单片机的温控系统设计与实现论文.doc

学号: ****毕业设计（论文） 题目：基于AT89C52单片机的温控系统设 计与实现 院（部）系 所 学 专 业电子信息科学与技术年级、班级2012级本科2班完成人姓名指导教师姓名 专业技术职称*** 讲师 2016年 6 月 10 日 论文原创性保证书 我保证所提交的论文都是自己独立完成，如有抄袭、剽窃、雷同等现象，愿承担相应后果，接受学校的处理。 专业： 电子信息科学与技术 班级： 2012级2班 签名： 年 月 日 ****本科毕业设计(论文) 摘要 本文介绍了基于AT89C52单片机和DS18B20数字传感器组成的温度控制系统，实现了实时温度测量、显示、设置和查询温度值的功能。该系统主要是由以AT89C52单片机为核心实现的最小系统、DS18B20数字温度传感器实时温度采集电路、数码管对实时温度值显示电路、蜂鸣器和发光二极管构成的警报系统以及设置温度值的行列式键盘电路组成。通过添加多个DS18B20数字温度传感器实现多点控测量，被广泛应用于电力工业、煤矿、森林、高层建筑等场所，也可应用于环境恶劣的工业控制现场和民用产品。本文主要给出系统的硬件框架、程序流程图、以及Protel原理图，并通过硬件控制平台实现所设计功能。 关键词：单片机；温控系统；温度传感器；测量系统 Abstract The temperature control system composed of microcontroller AT89C52 and digital sensor DS18B20 is introduced in this paper, which achieves functions of real-time temperature measurement, display, setting and query. The system is composed of the smallest system with microcontroller AT89C52 as the core, real-time temperature acquisition circuit of digital sensor DS18B20, real-time digital temperature display circuit composed of pairs of digital tubes, alarm system consisting of buzzer and the light emitting diode and the determinant keyboard circuit for temperature setting. It is widely applied in power industry, coal, forests, high-rise buildings and other places to realize multi-point control measure by adding multiple DS18B20 digital temperature sensors, also it can be applied in harsh industrial control field and in civilian products. Hardware framework, the program flowcharts, and Protel schematics of the temperature control system are included in this paper and the designed functions are achieved through hardware control platform. Keywords: microcontroller; temperature control system; temperature sensor; measuring system 目录 TOC \o 1-3 \h \u  HYPERLINK \l _Toc10475 第一章 绪论  PAGEREF _Toc10475 1  HYPERLINK \l _Toc21920 1.1