编号:GUILINUNIVERSITYOFELECTRONICTECHNOLOGY（传感器应用技术）实训论文说明书题目：红外感应门铃设计院（系）：信息与通信学院专业：电子信息工程__________学生姓名：___________________学号：_____________________指导教师：李秀东、胡机秀、童有为、土守华2012年6月22日本设计的红外线感应电子门铃，可在来客距房门一定距离吋发出音频信号，以告知主人“有客来访”。该门铃还可兼作报警器用。电路能探测人体发出的红外线，该红外线感应电子门铃电路由红外线发射电路、红外线接收电路、低频振荡器、音频振荡器和音频输出电路等组成。当人进入感应的区域内，即可发出铃声或者报警声，适用于家庭、办公室、仓库、实验室等比较重要场合的铃声和报警。概述了红外辐射的知识、反射式红外传感器的结构和工作原理。利用反射式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。反射式红外传感器具有很多的优点，在人们生活、安全、警戒等装置中应用较广。关键字：红外线反射式感应门铃AbstractThedesignoftheinfraredsensorelectronicdoorbellcanbeacertaindistancevisitorsfromthedooranaudiblesignaltoinformthemasterwhenguestsarecoming.ThedoorbellcanalsodoubleasalarmUsed.Thecircuitcandetecttheinfraredissuedbythebody,theinfraredsensorelectronicdoorbellcircuitbytheinfraredtransmittercircuit,infraredreceivercircuit,low-frequencyoscillator,audiooscillator,andtheaudiooutputcircuitcomposition.Whenpeopleintotheinductionarea,youcansendtheringtoneoralarmsoundforringtonesandalarmsinhomes,offices,warehouses,laboratoriesandotherimportantoccasions.Anoverviewofthestructureandworkingprincipleoftheinfraredradiationofknowledge,reflectiveinfraredsensor.Usereflectiveinfraredsensordesignedapassiveinfraredalarmcircuit,thecircuitfunctionsandworkingprinciple.Reflectiveinfraredsensorhasmanyadvantages,widelyusedinpeople'slives,safety,andwarningdevices.Keyword:Infraredreflectivesensordoorbell1绪论....................................................................11.1课题的意义................................................................11.2课题研究背景..............................................................11.3课题研究内容..............................................................22系统设计................................................................22.1系统方案.................................................................22.2传感器概述................................................................32.2.1红外线传感器..........................................................................................................................32.2.2红外线传感器的特点、....................................................32.2.3主要特性................................................................42.3LM567芯片...............................................................42.3.1LM567概述.............................................................42.3.2芯片特点................................................................42・3・3电气特性..............................................................5(1).................................................................................................................................3.4典型电路52.4红外线对射管..............................................................63电路设计................................................................7(2).............................................................................................................................1电路的原理图73.2电路的组成部分...