家用热水器控制系统设计.doc

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家用热水器控制系统设计

本科毕业论文(设计) 基于51单片机的家用电热水器设计 学生姓名: 所在院系: 所学专业: 导师姓名: 完成时间: 基于51单片机的家用电热水器设计 摘要 市场上传统的机械式热水器控制精度低、可性靠差。随着社会的发展,人们对电热水器的要求越来越趋向于智能化和数字化,而智能化家用电热水器正是适应现代化智能家用电器趋势而出现。 关键字:AT89C51单片机,温度控制,传感器 DESIGN OF HOUSEHOLD ELECTRIC WATER HEATER BASED ON THE 51-SERIES SINGLE-CHIP Abstract The market upload mechanical water heater’s power system is of low control precision, poor reliability. With the development of the society, people’s demand for electric water heater is more and more tend to be intelligent and digital. While the intelligent home electric water heater is to adapt to the modern trend of intelligent household appliances. Designed in this paper is a smart home electric water heater, which AT89C51 as a controller, use array form keyboard input temperature, and use LED light display it, so it can accurately provide to the warm water of temperature that user needs. The system adopt DS18B20 to collect temperature, when the temperature needed higher than to collect water temperature at present, it use the MOC3041 chip lead to heating , when the temperature needed is lower than the collect water temperature at present, it stop heating.The Smart electric water heater designed to achieve the program is simple,low cost, safe,and it has practical value. Key-words:AT89C51 single chip microcomputer, temperature control, temperature sensor. 目录 1引言............................................................................................................................. 1 1.1 智能热水器的历史与发展.............................................................................. 1 1.2 本设计主要研究内容...................................................................................... 1 2系统总体设计............................................................................................................. 1 2.1单片机引脚功能说明....................................................................................... 2 2.2 DS18B20介绍 .............................................................

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