基于单片机的红外报警系统设计 (毕业论文)

基于单片机的红外报警系统设计

摘要：随着社会经济的发展，人们生活水平的不断提高，与此同时对人生安全和财产安全提到了一个新的高度，盗窃、入室抢劫等刑事案件的多发使得人们越来越渴望有一个安全生活的空间。传统的防盗门窗越来越不能满足人们日常防盗的要求，因此人们迫切需要一种智能型的家庭安全防盗报警系统。在智能小区的建设中，高性价比的防盗系统在人们的选择中占有很大的优势。文中就介绍了一款基于单片机的防盗系统，本系统采用了热释电红外传感器，它的制作简单、成本低、安装比较方便，而且防盗性能比较稳定，抗干扰能力强、灵敏度高、安全可靠。这种防盗器安装隐蔽，不易被盗贼发现，同时它的信号经过单片机系统处理后方便和PC机通信，便于多用户统一管理。本设计包括硬件和软件设计两个部分。采用了监控主机和监测分机分离，使用无线的数据传输方式，以单片机AT89C52监控主机的控制器件，采用LED作为数码显示器，喇叭、红外探头电路、高亮度LED作为报警装置，并辅之一些外围器件，用C语言编程控制单片机来完成报警系统的设计。整个系统是在单片机控制下工作的,最终实现人性化的防盗报警。

关键词：单片机； 无线传输； 热释电传感器

System design based on single-chip infrared alarm

Abstract: With the development of society and economy, people's living standards continue to improve, at the same time to the life and property safety to a new height, theft, burglary in criminal cases and makes people more and more eager to have a safe living space. The traditional security doors and windows can not satisfy the people's daily security requirements, so people urgently need the family security of an intelligent alarm system. In the construction of intelligent community, anti-theft system with high performance and low cost occupy a great advantage in people's choice. This paper introduces a security system based on MCU, this system uses the pyroelectric infrared sensor, its manufacture is simple, low cost, convenient installation, and the anti-theft performance is relatively stable, strong anti-interference ability, high sensitivity, safe and reliable. This kind of security installmenthiding, not easy to be the thief found, at the same time it signals through the SCM system after processing convenience and PC communication, to facilitate unified user management. The design includes two parts of hardware and software design.. The separation of monitoring host and monitoring unit, the use of wireless data transmission, to control the device chip AT89C52 host computer, use LED as the digital display, horn, infrared probe circuit, high brightness LED as the alarm device, and supplemented some peripheral devices