1、 毕业设计(论文) 题题 目目 基于单片机的温度控制系统设计 专专 业业 应用电子技术 二 0 一二年五月 1 基于单片机的温度控制系统设计基于单片机的温度控制系统设计 摘摘 要要 : 文章介绍了基于单片机温度控制的硬件设计和软件设计,它在很多领域都广泛运 用,而该系统硬件部分的重心在于单片机。文章以温度采集系统为例, DS18B20 温度 测量系统是以 AT89C51 单片机作为控制核心, 智能温度传感器 DS18B20 为控制对象, 用 LM016L 液晶显示,运用 C 语言实现系统的各种功能。设计完成了 DS18B20 的温度采集 电路、显示电路、温度处理电路、报警提示电路。借助仿真工具
2、 Proteus 和单片机编程 软件 Keil 实现了系统软、硬件的交互仿真,实现了课题设计目的。 本课题所设计的温度控制系统可实现对远程环境的温度测量与监控, 适用于电力工 业、农业、煤矿、火灾、高层建筑等场所,还可以用于环境恶劣的工业控制现场。 关键词:数字温度传感器 DS18B20;单片机;LMO16L ;Proteus 仿真;Keil Based on SCM multi-channel data acquisition system design Abstract: this paper introduces the data acquisition based on single
3、chip computer hardware design and software design, its existence has a very important role in many areas. This paper introduces is the focus of the data acquisition system, and the system hardware part is the center of gravity of the microcontroller. In this paper, the more temperature gathering sys
4、tem for example, DS18B20 temperature measuring system is based on AT89C51 single chip microcomputer as control core, intelligent temperature sensor DS18B20 is the object of control, with LM016L liquid crystal display, using C language implementation of various of system function. Design finished DS1
5、8B20 temperature selection screen circuit testing and points. Using simulation tools Proteus and single chip microcomputer Keil software programming realized the system software and hardware, realize the interaction of the topic the design purpose. This subject design temperature control system can
6、realize to the remote environment temperature measurement and monitoring, used in electric power industry, coal mine, fire, high-rise buildings and other places, can also be used for the environmental bad industrial control field. Keywords: digital temperature sensor DS18B20; SCM; Proteus simulation; Keil 目录目录 2 摘 要:1 第一章绪论.3 1.1 课题研究的目的和意义 .3 1.2 课题内容 .3 第二章系统设计4 2.1 系统的总设计 .4 2.2 功能模块 4 第三章硬件设计5 3.1 单片机主控制单元 5 3.2 温度信号采集单元 8 3.3 液晶显示屏输出 . 12 3.3.1 1602LCD 的基本参数及引脚功