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1、***************学校毕业设计论文论文题目：人体红外线感应报警器系部电子通信工程系专业应用电子技术班级091班学生姓名学号指导教师2012年04月20日摘要科技发展日新月异，尤其是21世纪，电子技术给我们生活带来了翻天覆地的变化，电子技术不仅便利了我们的生活，更简化了我们的环境，随着人们生活质量提高，对电子技术的需要要求也越来越高。人体动作的检测识别也已经成为当前的热门方向之一，精确的识别使它有更广阔的空间和潜力，在安防，人机交互，智能家居系统、运动捕捉系统等领域人体动作的检测识别有着非常大的应用前景。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
2、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、警戒等装置中较广。关键词红外线电压比较器延迟电路报警器ABSTRACTTechnologyisadvancingrapidly,especiallyinthe21stcentury,electronictechnologyhasundergoneenormouscha
3、ngestoourlives,electronictechnologyhasnotonlyfacilitatedourlives,butalsosimplifiesourenvironment,toimprovethequalityofpeople'slives,theneedforelectronictechnologyrequirementsinsinglyhigh.Detectionandrecognitionofhumanmotionhasbecomeoneofthepopulardirectionofthecurrent,accurateidentificationm
4、akesitabroaderspaceandpotentialinthedetectionandidentificationofhumanactioninthefieldofsecurity,human-computerinteraction,intelligenthomesystems,motioncapturesystemhasverylargeapplications.Thealarmcandetectinfraredissuedbythebody,consistsofinfraredsensors,signalconditioningcircuit,voltagecom
5、parator,thedelaycircuitandtheaudioalarmcircuit.Intothealarmmonitoringarea,youcansoundanalarm,andappliestohomes,offices,warehouses,laboratoriesandotherimportantoccasions,anti-theftalarm.Anoverviewoftheinfraredradiationoftheknowledge,structureandworkingprincipleofthepyroelectricinfraredsensor.
6、Pyroelectricinfraredsensordesignedapassiveinfraredalarmcircuit,thecircuitfunctionsandworkingprinciple.Pyroelectricinfraredsensorhasmanyadvantages,widerinthetheft,andalertdevices.KeyWordsInfraredvoltagecomparatordelaycircuitalar目录摘要············································1目录··············
7、······························1绪论············································2第一章设计要求与方案论证：···········································31.1设计概述·········································31.2设计背景·········································31.3设计要求········
