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1、红外探测迎宾装置电路设计本文由prettystony贡献doc文档可能在WAP端浏览体验不佳。建议您优先选择TXT,或下载源文件到本机查看。红外探测迎宾装置电路设计摘要本装置主要由高灵敏度人体传感电路、任意分段功能的数码话音集成电路[1]和发声电路等组成,能自动感应客人的到来,发出迎宾语。例如:来客人时,本装置可以发出“您好!欢迎光临”,客人走时,它就会说“欢迎您下次光临”等语音内容,所以本装置完全可以代替迎宾小姐24小时的工作。在此语音迎宾装置机箱内置有由红外探测头、定时控制电路,迎客语音电路、降压整流电路设计出简单的红外探测迎宾装置。具有灵敏度可
2、调,抗电磁波干扰能力强,体积小,结构简单等特点,能够进行分段录放音,语音内容可以根据需要进行改变,外部音频输入信号可通过本装置控制外接彩色串灯等负载发光闪烁等优点。关键字:红外探测,时基电路,灵敏度,集成电路InfrareddetectiondevicecircuitdesignwelcomeguestsAbstractThisinstallmentmainlybywillfullypartitionsthefunctiondigitalvoiceintegratedcircuit[1],thehighsensitivityhumanbodysens
3、ingcircuitandthesoundproductionelectriccircuitandsooniscomposed,cantheauto-inductionvisitor'sarrival,sendoutyoutowanttosayanywelcomestheobject.Forexample:Whencomesthevisitor,thisequipmentmaysendout“hello!Welcomethepresence”,thevisitorisinluck,itwillsaythat“willwelcomeyournextti
4、mepresence”andsoonpronunciationcontents,thereforethisinstallmentdefinitelymayreplacewelcomingguestsyounglady24hourwork.Onekindofpronunciationwelcomesgueststheinstallment,itincludestheenginecase,built-inhastheinfrareddetectingheadintheenginecase,thetimedcontrolelectriccircuit,re
5、ceivesaguestthepronunciationelectriccircuit,thevoltagedroppinglevelingcircuittodesignthesimpleinfrareddetectiontowelcomegueststheinstallment.Hasthesensitivityadjustable,anti-electromagneticwavedisturbanceability,thevolumeissmall,thestructureissimple,cancarryonthepartitiontoreco
6、rdtheplayback,thepronunciationcontentmayaccordingtoneedtocarryonthechange,theeasytooperate,theexterioraudiofrequencyinputsignalmayalsothroughandsoonthisinstallmentcontrolexternalconnectioncoloredstringlampmeritsandsoonloadilluminationtwinkles.Keywords:infraredacquisition,defini
7、te-timeelectriccircuit,sensitivity,easytooperate.:目1绪录论……11.1课题背景及意义……11.2国内外研究状况……11.3论文的构成及研究内容……223总体设计电路方案……3单元电路及工作原理……43.1红外探测模块HN911及典型应用……43.2时基电路555……53.2.13.2.2555集成定时器简介……5555定时器的应用……73.3语音集成模块HFC5218……93.4降压整流电路……113.4.13.4.24结致全桥整流器……11降压电容器……12整体电路工作原理图及工作原理……14论…
8、…16谢……错误!未定义书签。错误!未定义书签。参考文献……17黄河科技学院毕业设计说明书第1页1绪1.1课