摘要 随着人类文明的不断进步和科学技术的迅速发展,人们对提升生活质量的需求越来越迫切。为了给能够使人们在舒适健康的环境中生活和工作,人们发明了空调。但是空调巨大的耗能量日益加剧了能源供需矛盾。本篇论文设计了一个中央空调智能控制器,利用控制器的智能控制减少空调的耗能。 本文一开始介绍了中央空调和温度控制器和控制系统,然后提出了本次设计系统的总体方案和控制策略,系统包括单片机、温度传感器、按键电路、复位电路、显示模块、报警模块、通讯通讯等各个部分,之后再在硬件部分中详细的画出了总体电路图和各个组成部分的电路图,然后根据设计要求编写了源程序,并画出了流程图,并对系统进行的仿真。 本系统通过单片机和温度传感器可以实现对温度的采集和控制,并且可以通过设计的按键电路来调整单片机控制温度的上下限。利用采集的温度和设定的温度范围进行比较,来控制空调的工作,达到控制温度的效果。59004
毕业论文关键词:中央空调;AT89C52单片机;DS18B20 温度传感器
abstract With the continuous progress of human civilization and the rapid development of science and technology, people are more and more eager to improve the quality of life. In order to be able to make people live and work in a comfortable and healthy environment, people have invented the air conditioner. However, the huge energy consumption of air conditioning has intensified the contradiction between energy supply and demand. In this paper, a central air conditioning intelligent controller is designed to reduce the energy consumption of the air conditioner by the intelligent control of the controller. In the beginning, central air conditioning and temperature controller, and the control system is introduced, and then puts forward the design of the system overall scheme and control strategy. The system consists of microcontroller, temperature sensor, keyboard circuit, reset circuit, display module, alarm module, communication and other parts, again in the hardware part detailed paintings of the overall circuit diagram and each part of the circuit components, then write the source program based on the design requirements, and draw the flow chart, and the system simulation. The system through the MCU and temperature sensor can achieve the temperature of the acquisition and control, and can be designed by the design of the key circuit to adjust the upper and lower limits of single-chip microcomputer control temperature. By comparing the temperature and the set temperature range, to control the air conditioning work, to achieve the effect of temperature control.
Key words: central air conditioning;AT89C51 microcontroller;DS18B20 Temperature
目录
第一章 绪论 1
1.1 研究背景 . 1
1.2 中央空调温度控制器的发展 2
1.3 中央空调控制系统的发展 .. 3
1.4 设计内容 . 4
第二章 总体设计方案 .. 5
2.1 中央空调系统 5
2.1.1 空气源热泵冷热水机组.. 5
2.1.2 风盘管系统 5
2.2 控制策略 . 6
2.3 总体设计方案. 8
第三章 硬件部分 11
3.1 AT89C52 单片机. 11
3.1.1 AT89C52 单片机的结构 . 11
3.1.2时钟振荡器 .. 12
3.1.3 复位电路. 13
3.2 DS18B20 温度传感器 13
3.2.1 DS18B20 温度传感器的结构和引脚. 13
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