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太阳能草坪灯的设计毕业论文.doc

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太阳能草坪灯的设计毕业论文.doc

本科毕业论文(设计)论文题目太阳能草坪灯的设计学生姓名所在院系所学专业应用电子技术教育指导老师完成时间摘要太阳能作为可再生能源的一种,指太阳能的直接转化和利用,通过转换装置把太阳辐射能转换成热能,再利用热能进行发电。本设计是对目前草坪灯存在的抗干扰性低,不能自动化控制,且寿命短等缺陷进行改进与创新。本设计首先采用了太阳能电池作为能源,以达到环保节能的目的利用单片机技术实现草坪灯的光电控制、定时控制和节能控制,其次内部设置有蓄电池,用于保证在阴雨天气对蓄电池进行充电,以给草坪灯供电。控制电路分析和讨论了各个部分的电路原理、控制策略,能根据光线和定时控制的要求决定草坪灯的点亮和关断。系统有很好的抗干扰性,断电时可以保存用户所设定的各种参数。关键词太阳能光电池,控制器,蓄电池,草坪灯,单片机ThedesignofSolarlawnlampAbstractSolarenergyasarenewableenergythatthedirectconversionofsolarenergyanduse,throughtheconversiondevicetoconvertsolarradiationintoheat,andthenuseheattogenerateelectricity.Thisdesignistheexistenceofthecurrentantilawnlamplow,cannotbeautomaticcontrol,anddefectssuchasshortlifeimprovementsandinnovation.Firstofall,thedesignofsolarcellsusedasasourceofenergyinordertoachievethepurposeofenvironmentalprotectionandenergysavingLawnlampsinglechiptechnologyusingoptoelectroniccontrol,timecontrolandenergysavingcontrol,followedbyinternalbatterysetupforwetweathertoensurethatthebatterychargertopowersupplytothelawn.Controlcircuitanalysisanddiscussionofthevariouspartsofthecircuitprincipleandcontrolstrategy,basedonthecontroloflightingandtimingrequirementsofthedecisionofthelawnlamplit,andturnoff.Haveagoodantijammingsystem,thepowercanbesavedwhentheusersetvariousparameters.KeywordsSolarPV,Controller,Batteries,Lawnlamp,Singlechip目录1引言............................................................................................................................11.1国内外太阳能的发展现状.................................................................................11.2太阳能的利用.....................................................................................................22方案论证....................................................................................................................32.1设计要求.............................................................................................................32.2方案选择.............................................................................................................33系统整体电路............................................................................................................43.1太阳能电池板.....................................................................................................43.2太阳能控制器.....................................................................................................63.3蓄电池的选择.....................................................................................................73.4单片机介绍.........................................................................................................83.4.1主要特性.......................................................................................................83.4.2管脚说明.......................................................................................................83.4.3振荡器特性.................................................................................................103.4.4芯片擦除.....................................................................................................103.4.5结构特点.....................................................................................................104系统单元电路的设计..............................................................................................104.1照明负载...........................................................................................................104.2充放电控制原理...............................................................................................124.3太阳能供电系统容量的计算...........................................................................134.4控制器电源电路...............................................................................................144.5光控电路...........................................................................................................144.6系统时钟电路...................................................................................................154.7掉电存储电路...................................................................................................164.8数码管显示电路...............................................................................................174.9单片机硬件电路...............................................................................................185系统程序设计..........................................................................................................196结束语......................................................................................................................19致谢..............................................................................................................................20参考文献......................................................................................................................21附录1总体电路图.....................................................................................................22附录2程序.................................................................................................................23

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