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基于51单片机的智能家居系统设计-毕设论文.doc
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基于51单片机的智能家居系统设计-毕设论文.doc
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I
学号:
常 州 大 学
毕 业 设 计 ( 论 文 )
(2012 届)
题 目
学 生
学 院 专业班级
校内指导教师 专业技术职务
校外指导老师 专业技术职务
二○一二年六月
II
基于 51 单片机的智能家居系统设计
摘 要:智能家居作为家庭信息化的实现方式,已经成为社会信息化发展的重要组成部分,
物联网因其巨大的应用前景,将是智能家居产业发展过程中一个比较现实的突破口,对
智能家居的产业发展具有重大意义。本文基于容易实现,方便操作,贴近使用的设计理
念,设计的智能家居系统是以 AT89C51 单片机为主控器件,两部分之间通过无线通讯模
块进行数据交换。 主机部分是系统的核心部分,通过键盘输入模块对系统温湿度的进行
初始化设置,并利用 LCD 显示模块对室内状况进行实时显示,本部分还具有温湿度控制
和煤气阀开关控制的功能,对于异常情况,系统可通过声光报警模块进行报警提示,实
现对家居的智能控制。
关键词:传感器信号处理;键盘控制;报警
III
Based on 51 SCM intelligent household system design
Abstract: Intelligent home furnishing as family information realization way, has
become an important part in the development of social informatization, network
because of its great application prospect, is the intelligent home furnishing industry is
in the process of developing a practical breakthrough, intelligent home furnishing
industry development has great sense. In this paper, based on the easy implementation
convenient operation, close to the use of the design concept, design of intelligent
home furnishing system is based on AT89C51control device, the two part through a
wireless communication module for data exchange. Host is the core part of the system,
through the keyboard input module of the system of temperature and humidity for
initialization, and the use of LCD display module on the indoor condition real-time
display, this part also has a temperature and humidity control and gas valve switch
control function, the abnormal condition, system through sound and light alarm
module alarm, to achieve intelligent control of home furnishing.
Key words: Sensor signal processing, the keyboard control , alarm
IV
目 次
摘 要 ..............................................................................................................................I
目 次..........................................................................................................................III
1 绪论............................................................................................................................1
1.1 课题背景 ...............................................................................................................1
1.2 课题研究的意义;国内外研究现状和发展趋势 .................................................1
1.2.1 课题研究的意义..................................................................................................1
1.2.2 国内外研究现状和发展趋势..............................................................................1
1.3 论文的研究内容...................................................................................................3
2 系统简介.....................................................................................................................4
2.1 STC89C52 单片机介绍.........................................................................................4
2.1.1 89C52 简介 .......................................................................................................4
2.1.2 89C52 引脚 ........................................................................................................4
2.2 DS1302 时钟芯片 .................................................................................................6
2.2.1 DS1302 简介.....................................................................................................6
2.3 DS18B20 温度传感器...........................................................................................7
2.3.1 DS18B20 的主要特征 .......................................................................................8
2.3.2 DS18B20 工作原理 ...........................................................................................8
2.4 1602LCD 显示器.....................................................................................................8
2.4.1 1602 简介...........................................................................................................9
2.5 热释电红外传感器................................................................................................12
3.系统软、硬件设计...................................................................................................13
3.1 硬件设计................................................................................................................13
3.1.1 最小系统模块....................................................................................................13
3.1.2 红外接收模块....................................................................................................14
3.1.3 温度传感器模块................................................................................................14
3. 1.4 LCD 模块........................................................................................................16
3.1.5 键盘模块............................................................................................................17
3.1.6 DS1302 时钟芯片............................................................................................17
3.1.7 整体原理图........................................................................................................19
3.2.1 keil uVision2 新建项目与编辑 ..........................................................................20
3.2.2 keil uVision2 编译与调试运行 ..........................................................................22
3.2.3 软件设计程序流程图........................................................................................23
3.2.4 软件设计程序代码及分析.................................................................................26
4.系统测试...................................................................................................................28
4.1 设计效果................................................................................................................28
4.2 测试过程以及产生的误差....................................................................................28
4.2.1 测试过程.............................................................................................................28
V
4.2.2 产生的误差........................................................................................................28
4.3 调试错误及处理情况............................................................................................28
5 结论与展望..............................................................................................................29
5.1 结论 .......................................................................................................................29
5.2 展望 .......................................................................................................................29
参 考 文 献................................................................................................................31
致 谢............................................................................................................................32
附 录............................................................................................................................33
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