太阳能光伏照明系统的设计与实现摘要:本文在探讨光伏发电原理和LED发光特性的基础上,设计制作了一套太阳能光伏发电跟踪系统,并进行了测试分析,提高了光电转换效率,并以此为电源,设计出可实用的太阳能光伏照明系统,该系统不仅能作为太阳能路灯和台灯使用,而且使用方便,具有光控等功能,该系统能用于家庭和实验室等需要照明的地方,节能减排效果明显,具有很好的应用前景。关键词:光伏发电跟踪系统LED照明系统节能减排DesignandproductionofsolarphotovoltaiclightingsystemAbstract:Inthispaper,onthebasisofacomprehensivestudyofphotovoltaicpowergenerationprincipleandLEDlight-emittingproperties.Wedesignedasetofsolarphotovoltaictrackingsystem,whichweretestedandanalyzedtoimprovethephotoelectricconversionefficiency,andasapowersource,wedesignedausefulsolarphotovoltaiclightingsystem.Thesystemcannotonlyusethesolarlightsandlamps,andeasytouse,withlightcontrolandotherfunctions.Itcanbeusedforhomeandlaboratorywheretheneedforlighting,energysavingeffectisobvious,withgoodprospects.KeyWords:Photovoltaicpowergeneration,TrackingSystem,LEDlightingsystem,Energysaving目录一、引言..........................................................................................................................................31.1国内外研究现状及发展趋势............................................................................................31.2课题研究的目的与意义...................................................................................................51.3该课题的研究内容............................................................................................................6二、太阳能跟踪系统.......................................................................................................................62.1跟踪运行流程....................................................................................................................72.2跟踪系统电路原理............................................................................................................82.3实验数据及处理................................................................................................................9三、LED发光的特性......................................................................................................................103.1LED的发光原理..............................................................................................................103.2LED的光源特点..............................................................................................................123.3LED的电特性..................................................................................................................123.4LED的驱动方式..............................................................................................................13四、太阳能LED照明系统.............................................................................................................134.1系统示意图......................................................................................................................134.2系统硬件电路图..............................................................................................................144.3电路元件的参数.............................................................................................................144.4光控电路....................................................................