红外人体报警器 ，完整的设计论文

该报警器能探测人体发出的红外线，由红外线传感器、信号放大电路、电压比较器、延时电路和音响报警电路等组成。当人进入报警器的监视区域内，即可发出报警声，适用于家庭、办公室、仓库、实验室等比较重要场合防盗报警。概述了红外辐射的知识、热释电红外传感器的结构和工作原理。利用热释电红外传感器设计了一种被动式红外报警电路,分析了该电路的功能和工作原理。热释电红外传感器具有很多的优点,在防盗、警戒等装置中应用较广。

关键词：红外线 热释电效应 菲涅尔透镜

目    录

摘要···········································

目录···········································

第一章：绪论···········································

1.1 设计概述···········································

1.2 设计背景···········································

1.3 设计要求···········································

1.4 设计意义···········································

第二章：方案设计与研究···········································

2.1 设计过程···········································

2.2 方案选定···········································

第三章：红外线传感器的概述···········································

3.1 红外线传感器···········································

3.2 红外线传感器的特点···········································

3.3 主要特性···········································

第四章：LM358芯片···········································

4.1  LM358概述···········································

4.2  芯片特点···········································

4.3  电气特性···········································

4.4  典型电路···········································

第五章：LM393芯片···········································

5.1  LM393概述···········································

5.2  芯片特点···········································

5.3  电气特性···········································

5.4  典型电路···········································

第六章：电路设计···········································

6.1  红外线传感器···········································

6.2  信号放大电路···········································

6.3  电压比较器···········································

6.4  音响报警电路···········································

6.5  延时电路···········································

6.6  12V电源电路···········································

6.7  红外线感应报警电路···········································

 第七章：PCB布线仿真图···········································

 第八章：元器件清单··································

第九章：实验遇到的困难································

第十章：实验心得···································