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南京工业大学毕业（设计）
太阳能热水器自动上水控制系统设计
摘 要
如何很好的节约和利用能源，特别是可持续能源，一直是人类所面临的问题。所以研究智能化家庭住宅里的能源如何被更有效地节约和利用，也有着十分现实和长远的意义。而家用太阳能热水器就是一个节约能源，有效利用能源的典型。
该太阳能热水器智能控制系统主要是由AT89C51单片机控制、DS18B20温度传感器、独立键盘、LED数码管和报警系统五大部分组成。该系统能测量并显示水温、设置水温的范围，如果水温不处于所设置水温的范围则报警。同时还能对水位进行设置及加水，预先设置好需要加水的水位段数，单片机会根据这个数来进行判别是否需要加水。通过Protues软件仿真以上所述的功能都能正常实现。
关键词: 太阳能热水器，传感器，温度控制，水位控制
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摘要
Solar energy water- heater auto last water control the system
design
Abstract
How good economize and make use of energy, especially can keep on energy, have been the problem that the mankind face.So study intelligence to turn how the home energy in the residence is be more availably economized and make use of, also have pretty much reality and farsighted meaning.But the household-use solar energy water- heater is an economy energy, effectively make use of the typical model of energy.
The solar energy water- heater intelligence controls system mainly from the AT89 C51 list slice the machine control, the DS18 B20 temperatureses spread a feeling machine, independent keyboard, LED figures tube and report to the police system five greatest parts to constitute.The system can measure and show water temperature and establish the scope of water temperature, if the water temperature doesn't is placed in to then report to the police the scope of establishing the water temperature.Can also carry on a constitution and fill with water to the water level at the same time, in advance establish to need to add the water level number of water so much, list slice the opportunity carry on if the discretion needs to fill with water according to this piece.It is normal to carry out to imitate through a Protues software really above the functions said all ability.
Keyword: solar energy water- heater, spread a feeling machine, temperature control, the water level controls
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南京工业大学毕业（设计）
目 录
摘 要-------------------------------------------------------------Ⅰ Abstract ----------------------------------------------------------Ⅱ 第一章 绪 论 -----------------------------------------------------1 第二章 太阳能热水器介绍 ----------------------------------------2
2.1太阳能热水器的概述 -----------------------------------------2 2.2太阳能热水器的分类 ------------------------------------------2 2.3我国太阳能热水器的发展历史 ----------------------------------3
第三章 系统方案设计 ---------------------------------------------4
3.1方案一-------------------------------------------------------4 3.2方案二-------------------------------------------------------4 3.3方案三-------------------------------------------------------4
第四章 硬件设计--------------------------------------------------6
4.1AT89C51介绍 -------------------------------------------------6 4.2测温电路设计-------------------------------------------------8 4.3水温监测的设计----------------------------------------------11 4.4键盘电路设计------------------------------------------------12 4.5显示电路设计------------------------------------------------17 4.6加热和加水电路设计------------------------------------------19 4.7报警电路设计------------------------------------------------22 4.8电源电路设计------------------------------------------------22
第五章软件设计----------------------------------------------------24
5.1程序设计分析------------------------------------------------24 5.2程序流程图--------------------------------------------------24
第六章仿真及调试--------------------------------------------------25
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