摘  要：科技改变生活，科技为人类带来了更舒适更方便的解决方案，智能家居是现代化科技的体现，智能家居也正是在应人们需求下而产生的。设计了一种操作方便、运行可靠的多功能智能家居远程监控系统。以STC89C52单片机为核心，连接各外部电路完成人机交互等各功能的控制。外部电路由时钟电路、复位电路、电源电路、按键电路、1602显示电路、GSM模块电路和传感器电路共同组成。集防煤气泄漏、防盗贼入侵、防火灾等功能于一体，可实现自动检测以及远程报警。智能探测器在监测到灾情时只输出报警信号开关量，单片机处理器会自动控制GSM接口电路，根据险情类别，自动发送短信报警到用户手机。该系统成本低、实用、可靠、功能灵活多样等特点。59076

毕业论文关键词：智能家居，GSM，传感器，STC89C52

Abstract：Technology has changed life, science and technology has brought to mankind more comfortable and more convenient solution, smart home is a manifestation of modern technology, smart home is also in demand should be generated by people. This article describes an easy to operate, reliable operation of the remote monitoring system of smart home .Single chip microcomputer STC89C52 as the core, to connect the external circuit to complete the human-computer interaction such as various control functions. An external circuit is formed by clocking circuit and reset circuit, power circuit, key circuit, display circuit 1602, GSM module circuit and sensor circuit. It combines anti-gas leak, anti prevention of thievery, fire prevention and other functions into one, you can achieve the automatic detection and remote alarm. Intelligent detectors to monitor the disaster when only output the alarm signal switch, single-chip processor will automatically control the GSM interface circuit, according to danger category, automatically send SMS alarm to the user's mobile phone. The system is low cost, practical, reliable, flexible and perse characteristics etc.

Keywords: smarthome, GSM, sensor, STC89C52

1  前言 3

1.1  课题背景 3

1.2  国外发展动态 3

1.3  国内发展动态 3

1.4  本文研究的意义 4

2  系统方案的组成及概述 4

2.1  GSM原理及概述 4

2.2  热释电传感器原理及概述 5

2.3  气体传感器的原理及概述 6

2.4 温度传感器原理及概述 7

2.5  系统总框图 8

3  系统硬件电路设计及软件设计 9

3.1  单片机最小系统模块设计 9

3.2  显示电路设计 9

3.3  GSM模块电路设计 11

3.4  热释电传感器电路设计 11

3.5  气体传感器的电路设计 13

3.6  温度传感器电路设计 14

3.7  系统软件设计 15

结论 20

参考文献 21

致  谢： 22

附录 23