基于at89c51单片机的照明控制系统设计

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1、摘要日常生活中电能浪费现象比较严重，就以室内照明为例，由于使用人员不固定以及人员的节能意识的淡薄，白天室内照度很高的情况下，仍然普遍存在开灯作业；即使室内无人或者人数很少的情况下，也是全部开启室内照明。长明灯比比皆是，人走不熄灯的现象到处存在。本文通过热释型红外传感技术，利用人体的温度作为检测目标。当人进入其探测区域内，红外传感器将人体与空间温度的差值传递给信号处理系统，从而实施对控制电路的驱动与否，实现对控制对象的具体控制，最终由单片机对房间内人数和光线的综合实时控制。根据实际情况自动控制灯的开关，这样就会杜绝严重的浪费现象，并且具有明显的经济

2、价值。关键字：单片机，热释红外传感器，光传感器，照明控制，节能iAbstractThewasteofelectricityindailylifeisserious,taketheinteriorlightingasanexample,becausetheuseofpersonnelisnotfixed,andtheweakstaffawarenessofenergysaving,duringthedayunderthehighintensityoflight,peoplestillkeepinglightsonwork;althoughsmall

3、numberofcases,theyturnonallofthelights;Besides,peopledonotturnoffthelightswhentheyleave.Inthispaper,pyroelectricinfraredsensingtechnologyisused,ittakesthebody'stemperatureasthetesttarget.Whenpeopleenteringthedetectionregion,theinfraredsensorteststhetemperaturedifferencebetwee

4、nthebodyandthespace,andpassesthesignaltotheprocessingsystem,toimplementcontrolcircuitornottorealizethecontrolobjectofthespecificcontrol,theendoftheroombythemicrocontroller,andthenumberofreal-timecontroloflight.Automaticcontrolbasedontheactualsituationoflight,thiswilleliminate

5、aseriouswasteandhassignificanteconomicvalue.Keywords：singlechipcomputer，pyroelectricinfraredsensor，lightsensors，illuminationcontrol，energysavingii目录摘要..............................................................................................................................

6、......iAbstract..............................................................................................................................ii第一章照明系统总体设计................................................................................................1第一节系统总体框图................

7、.................................................................................2第二节系统简单流程图.............................................................................................3一、方案一.....................................................................................

8、.........................3二、方案二.....................................