片机的红外防盗报警器设计

《片机的红外防盗报警器设计》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、红外防盗报警器的设计胡锐锋电子信息工程专业学号：6102106010摘要：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。硬件部分包括单片机控制电路、红外探头电路、驱动执行报警电路、LED控制电路等部分组成。处理器采用51系列单片机AT89C51，整个系统是在系统软件控制下工作的。关键词：单片机；红外传感器；数据采集；报警电路-21-

2、目录0摘要···································································11引言····································································41.1设计任务与要求·······················································42基础知识介绍·························································

3、··42.1热释电红外传感器简单介绍·············································42.2PIR的原理特性·························································52.3AT89C51单片机简单概述·················································5-21-2.3.1AT89C51单片机的结构·················································52.3

4、.2AT89C51单片机管脚说明···············································63方案设计································································83.1总体设计思路··························································83.2具体电路模块设计······················································93.2.1热释

5、电红外传感器原理················································93.2.2放大电路的设计······················································93.2.3时钟电路的设-21-计······················································93.2.4复位电路的设计······················································103.2.5发光二极管报警

6、电路的设计············································103.2.6声音报警电路的设计··················································113.3系统硬件电路的选择及说明·············································113.4软件的程序实现·······················································123.4.1主程序工作流程图················

7、····································123.4.2中断服务程序工作流程图·······························-21-················134软件仿真·······························································135总结···································································136参考文献·····················

8、···········································14附录一设计编程程序·····················