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毕业设计(论文)外文资料翻译系别光电信息系专业测控技术与仪器班级B090102姓名马丽娜学号36外文出处SprigerLink附件1.原文；2.译文2013年3月-1-Basedonsinglechipmicrocomputerintelligentstreetlightcontrolsystem【abstract】Astreetlightautomaticcontrolsystemdesign,combinedwiththecontrol,electriclampswitchcontrolfunction;Andstreetlampfaultdetectionandfaultstreetlampaccordingtothefunctionofthenumber.UseonSTC89C51asthecoreControlunit;UsingDS1302clockchiptocontrolthepointopentoturnoffthelightswhenstreetlamps;Byaphotosensorcompletecollectionofambientlightandstreetlightfaultdetection,soastorealizethenumberofopticallycontrolledopentoturnoffthelightsandfaultstreetlampdisplay.ThissystemCanthroughtheRS-232communicationportwiththestreetlightcontrolroomoftheuppermachinecommunication.【keywords】STC89C51;ClockchipDS1302;photosensorIntroductionForthemostpartatpresentdomesticcitiesandregionsofthestreetlampLightingadoptselectriccontrol,timecontrolandsinglepointofelectronsControl,maintenancemanagementandmanualinspectionsandthemassesThetraditionalway,becauseofthelackofscientificandeffectivemonitoringMeans,largearealightingduringtheday,nightnotlargeareaLightphenomenonoccursfrequently,oftencan'tfindandinatimelymannerProcessing,notonlycausedpowerresources,humanresourcesCost,improvetheoperatingcostsofthesystemandtocitizensLifebringinconvenience.IntelligentroadlightingsystemcanaccordingtodifferentareaDomainofdifferentfunctionalrequirements,atdifferenttimesanddifferenteverydayNaturallightorunderdifferenttrafficflowconditions,thepressAccordingtoaspecificsetting,realizedynamicwisdomofroadlightingCanmanagement,namelytheTPOmanagement(TIME/PLACE,TIMELocation/OCCASIONoccasions).IntelligentroadlightingControlsystem,throughthecomprehensiveconsiderationandanalysisandroadMingiscloselyrelatedtotheintensityofilluminationtime,road,environmentandhanditinScenecontrolmethodsoffactorssuchasflowrate,inthe-2-microcomputerAccordingtothepresetcontrolstrategy,theroadlightingintoactionStreetlampintelligentmanagementandcontrolindifferentconditionsnormallyIndifferentstatesimplementdiversifiedroadlightingscene,ToimprovethequalityoflightingatthesametimegetthebestsectionCaneffect.1.ThesystemhardwaredesignControlcircuitmainlytolight,temperaturesignalacquisition,datacomputingandanalysis,andcontrolofstreetlampdrivercircuitaccordingtotheresultsoftheoperation.CircuitmusthaveMDconversionfunction,adoptSTCl2C5608ADsinglechipmicrocomputerascontrolunit,thesingle-chipcomputerasasingleclockcycleenhanced8051kernelmicrocontroller,itcontains8KBFLASHprogrammemory,eightroadlOMDconversioninterface,canmeettheneedofdataacquisition.Lightintensity,temperaturesensorusingphotosensitiveresistanceandthermalresistance,respectively.Figure1-3-Figure2PhotosensitiveresistorRxandresistanceR2bleedercircuit,lightintensitychanges,microcontrollerP1.7pininputvoltagechanges,andP1.7pincanbesetupforMDconversioninterface,setathresholdvoltageforlightintensitycandistinguishbetweendayandnight.ThermalresistorRxandR3bleedercircuit,thetemperaturechanges,P1.5pinvoltagechange,thefigure1watchNAL/Dconversioncontrolcircuitgreenqualitycancalculatetheactualenvironmenttemperatureandtimecontroltomodifyparameters.S1forfourdialthecodeswitch,canbeusedtothink.1.1hardwaredesignSystemhardwaremodulesinclude:controlmodule,miningUse89c51torealizeonSTC;Sensormodule,UsingphotosensitiveresistanceonthesurroundingenvironmentlightSample,usingphotosensitivediodeon-offtostreetlampequipmentObstacledetection;Theclockmodule,usingDS1302clockchipSlice;Displaymodule,whichismadeupoffourLEDdigitaltube,useTodisplaythefaultstreetlampnumber;Soundandlightalarmmodule,Implementationofmalfunctioningofthestreetlamplighthint;CommunicationmoduleBlocks,usedtotransmitcommandsfromPC.1.2modulefunctionOnSTC89c51basedonDS1302clockchipProvidetheclocksignal,accordingtothefollowingtimeimplementationcontrolTurnoffthelights.-4-(1):wintertime18:00lightsatnight,Thenextmorningat7:30toturnoffthelights.(2)ageseasontime:theeveningnumberisturnonthelight,Thenextmorningat6:30toturnoffthelights.(3)inthesummertime:20:00lightsatnight,Thenextmorningat5:30toturnoffthelights.Dynamicallychangesofthisperiodoftime,changesintheoperationAmachinetocomplete,throughthecommunicationmodulewillholdinstructionswrittentoSTC89c51chip,thenchangedthepointopentoturnoffthelightsDuringworktime.Photosensitiveresistance,byappropriatewavelengthoflight,thecurrentwillalongwiththeincreaseoflightintensity,thusRealizethephotoelectricconversion.TodiebyADC0832deviceHoldnumberconvertedtoprovidesingle-chip,STC89c51accordingtoThedefaultprogramrealizetheelectriclampswitchfunction.(1)automaticmetering,duringtheday(orlight)Whenlightsgoout,night(darkorlight)streetlightsautomaticallyLightup.(2)thesensitivityisadjustable,canadjustaccordingtoneedAnyworkunderthelight.(3)topreventtheinstantbrightlightinterference,theADhocDelayofffunction(tostronglight,thelightswitchWhen30secondstoshutdownautomatically).PhotosensitivediodeistousesiliconPNknotwhenthelightisproducedAphotoelectricdevice,lightcurrentworkinreversebiasBecauseofthepressure.Duringthedaylightorlamplightphotosensitive2dire