展览馆橱窗用LED光控电路的设计.pdf

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1、本科生毕业设计报告课题：展览馆橱窗用LED光控电路的设计作者：2012年03月02日大学本科生毕业设计（报告）展览馆橱窗用LED光控电路的设计摘要设计了一种用于展览馆橱窗的光控系统。系统由被动型热释电红外传感器、555时基电路、PT4115LED恒流驱动电路组成。该设计具有造价低、重量轻、体积小、节省能源、延长灯具使用寿命、光强调整方便、便于维护的特点。关键词：热释电红外传感器；BISS0001；PT4115；功率LED；555定时器TheDesignforExhibitionHallDisplay

2、WindowsoftheLEDElectricCircuitAbstract:Thisdesignisfortheexhibitionhallwindowsoftheelectricsystem.Thesystemismadeupwithpassivepyroelectricinfraredsensors,555andtheLEDconstantflowdrivecircuitPT4115.Thisdesignhasthecharacteristicsoflowcost,lightweight,sm

3、allsize,saveenergy,prolongservicelife,easytoadjusttheintensityoflightandeasytomaintain.Keywords:PyroelectricInfraredSensors;BISS0001;PT4115;PowerLED;555Timer1大学本科生毕业设计（报告）目录第一章概述..........................................................................

4、..................................................3一、本课题研究的主要内容..............................................................................................3二、本课题研究的意义....................................................................................

5、..................3第二章热释电红外传感器....................................................................................................4一、热释电红外传感器的原理..........................................................................................4二、热释电红外传感器的应用前景..

6、................................................................................5第三章热释电红外传感器调理电路....................................................................................6一、BISS0001.............................................................

7、........................................................6二、BISS0001工作参数（Vss=0V）..............................................................................6三、热释电红外控制电路...................................................................................

8、...............7第四章功率LED驱动电路..................................................................................................8一、恒流驱动PT4115芯片简介.......................................................................................8（一）PT