基于单片机技术的太阳能热水器控制系统的设计与实现.doc

毕业设计论文 PAGE - PAGE 1 - 基于单片机技术的太阳能热水器控制系统的设计与实现 系 部： 电子工程系 班 级： 电信09C2 姓 名： 王凯凯 学 号： 092221216 指导教师： 刘训菲 2012年 1 月 1 日 摘 要 能源是现代社会存在和发展的基石。随着全球工业革命的快速推进，能源危机在上世纪被正式提出和普遍认可。而太阳能作为一种新型的绿色能源逐渐走进人们的事业。太阳是人们取之不尽用之不竭的可再生能源，具有充分的纯洁性，绝对的安全性和相对的广泛性。鉴于此，太阳能热水器这一顺应时代发展需要的绿色产品被创造发明出来并且走进了千家万户。而本论文要论述的就是如何对太阳能热水器进行更人文化控制，使得人们使用起来更为方便。 本设计采用MSC-51系列单片机AT89S52作为中央处理器，采用DS1302实时时钟，12864点阵式液晶显示屏等模块，完成时间温度水位的显示，以及时间和温度的设定等功能。 关键词：太阳能热水器；单片机；实时时钟；液晶显示屏 目录 摘要··································································2 1前言··································································4 2 太阳能热水器控制系统整体架构 2·1 太阳能热水器控制系统结构示意图····································6 2·2 结构示意图科学分析··············································7 2·2·1 单片机···················································7 2·2·2信号处理·················································8 2·2·3 传感器···················································8 2·2·4 显示接口和显示器·········································9 2·2·5 键盘输入··················································10 2·3 时钟电路模块 2·3·1实时时钟简介··············································11 2·3·2实时时钟模块电路········································12 3 太阳能热水器控制系统Proteus仿真······································13 4 太阳能热水器控制系统软件设计 4·1太阳能热水器控制系统软件设计流程图······························15 4·2太阳能热水器控制系统软件功能的实施 4·2·1初始化程序···············································17 4·2·2按键检测及处理程序·······································18 4·2·3读取温度的程序···········································19 5 结论································································20 参 考 文 献···························································21 致 谢·························