毕业设计（论文）报告题目红外人体报警器的设计系别专业班级学生姓名学号指导教师2013年4月无锡科技职业学院毕业设计（论文）红外人体报警器的设计PAGEiv红外线人体报警器的设计摘要：红外报警器大多数采用国外的先进技术,其功能也非常先进。其中包括被动式、热释电型红外报警器,也即是本文将研究的产品。还有红外监控无线报警器,超声波防盗报警器,红外线防盗报警器,高灵敏红外报警器,触摸式延时防盗报警器,触摸式防盗报警器,红外报警器,红外线声先报警器……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、延时电路和报警指示电路等组成。当人进入报警器的监视区域内，即可发出报警信号，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：被动式红外报警器、热释电红外（PIR）、传感器、热释电效应DesignofinfraredalarmAbstract：Infraredalarminmostcases,theforeignadvancedtechnology,anditsfunctionisveryadvanced.Includingpassivepyroelectricinfraredalarm,thatis,theproductsthataretobestudiedinthisarticle.Infraredmonitoringwirelessalarmsystem,ultrasonicburglaralarm,infraredburglaralarm,highsensitivityinfraredalarm,thetouchdelayburglaralarm,theTouchburglaralarm,infraredalarm,infraredsoundthefirstalarm......Detectorscapableofdetectinginfraredraysemittedbythebody,providedbytheinfraredsensor,thesignalamplificationcircuit,avoltagecomparatorcircuitandothercomponentsofthedelaycircuitandthealarmindication.Whenpeopleenterthealarmmonitoringarea,youcansendanalarmsignal,suitableforhomes,offices,warehouses,laboratoriesandotherimportantoccasionsburglaralarm.Anoverviewofthestructureandworkingprincipleoftheknowledgeofinfraredradiation,thermalpyroelectricinfraredsensor.Pyroelectricinfraredsensordesignedapassiveinfraredalarmcircuitanalysisofthefunctionsandworkingprincipleofthecircuit.Pyroelectricinfraredsensorhasmanyadvantages,awiderapplicationoftheanti-theftwarningdevice.Keywords：passiveinfraredalarm、pyroelectricinfrared(PIR)、sensor、pyroelectriceffect目录TOC\o"1-3"\h\uHYPERLINK\l_Toc4415前言PAGEREF_Toc44151HYPERLINK\l_Toc12508第一章绪论PAGEREF_Toc125082HYPERLINK\l_Toc5841.1电路设计背景PAGEREF_Toc5842HYPERLINK\l_Toc227621.2红外报警器分类及原理PAGEREF_Toc227622HYPERLINK\l_Toc85131.3热释电红外传感器的原理特性PAGEREF_Toc85134HYPERLINK\l_Toc73511.4设计意义及要求PAGEREF_Toc73515HYPERLI