文档介绍：模拟电子技术课程设计说明书
红外线报警器
系 、 部: 电信系
学生姓名： 陈颖之
指导教师: 贾雅琼 职称 讲师
专 业: 电气工程及其自动化
班 级: 10０2
完成时间： 2０1２年5月
摘 要
红外线报警器一般用作防盗报警,是一种最常见的报警装置,该装置由直流稳压电源，红外线发射部分、红外线接收部分、5５5定时器以及蜂鸣器组成,可通过发射的红外线被物体阻挡时,红外线接受部分无法接收到红外线时产生信号,利用光电开关特性以及555定时器控制蜂鸣器进行报警并控制其报警时长。
关键词 光电开关,直流稳压电源，555延时芯片
ＡBSTRACT
Ｉnｆrared aｌarm sysｔem ｃommｏnｌy usｅd for aｎtｉ-tｈｅfｔ aｌarm, ｉs onｅ ｏｆ ｔhｅ ｍｏsｔ coｍｍon alaｒm ｄｅvice, comprｉｓｉng a DＣ pｏｗer supply, infｒarｅd ｅmisｓiｏn parｔ, ｉnfrarｅｄ ｒecｅivinｇ pｏrtｉon,55５ｔimｅｒ ａnd a ｂuzzer, ｂｙ tranｓｍiｔtiｎｇ inｆｒａred objecｔ was blｏｃked, ｔhe ｉnｆrarｅd receivinｇ ｐｏrtion ｔo ｂe rｅｃeiｖes inｆｒarｅd sｉgnａl geｎｅrａted ｂｙ ｔｈｅ pｈｏtｏelｅｃｔriｃ swiｔch ｃhaｒacｔｅristics, ａs welｌ ａs 55５timeｒ ｃｏntroｌ buｚzｅｒ aｌarm ａnd coｎtｒol ｔｈｅ alaｒm time
Ｋey wｏrds tｈｅ pｈｏtｏｅlｅctriｃ ｓwitch;555ｔiｍer;buｚｚer
目 录
1 总体设计方案与要求·································· ４
设计任务的功能要求说明························· ４
1．2 设计课题总体方案介绍及工作原理说明············· 4
2 设计电路及其仿真分析································ ５
设计电路图····································· 5
２．2 设计电路的仿真结果····························· 6
３ 硬件电路各部分电路设计······························ ７
3．1 硬件电路图及各模块功能简要介绍················· 8
PCB图 ········································ ８
3．3 元器件清单
····································· 9
4 系统的调试及性能分析································ １０
4．１ 系统的调试····································· １0
性能分析······································· 10
5 设计结论及体会······································ 10
６ 参考文献············································ １０
7 致谢 ···········································１１
８ 附录 ···········································11
1 总体设计方案与要求
1．1 设计课题任务
设计一个红外线防盗报警器。要求如果有人进入监视区域,立即报警，报警时长为３０秒。
设计课题总体方案介绍
该装置以直流稳压电源和5５５定时器为核心,采用光电开关