单片机智能路灯中英文对照外文翻译文献.docx
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单片机智能路灯中英文对照外文翻译文献
单片机智能路灯中英文对照外文翻译文献
(文档含英文原文和中文翻译)
Basedonsinglechipmicrocomputerintelligentstreetlightcontrolsystem
【abstract】Astreetlightautomaticcontrolsystemdesign,combinedwiththecontrol,electriclampswitchcontrolfunction;Andstreetlampfaultdetectionandfaultstreetlampaccordingtothefunctionofthenumber.UseonSTC89C51asthecoreControlunit;UsingDS1302clockchiptocontrolthepointopentoturnoffthelightswhenstreetlamps;Byaphotosensorcompletecollectionofambientlightandstreetlightfaultdetection,soastorealizethenumberofopticallycontrolledopentoturnoffthelightsandfaultstreetlampdisplay.ThissystemCanthroughtheRS-232communicationportwiththestreetlightcontrolroomoftheuppermachinecommunication.
【keywords】STC89C51;ClockchipDS1302;photosensor
Introduction
ForthemostpartatpresentdomesticcitiesandregionsofthestreetlampLightingadoptselectriccontrol,timecontrolandsinglepointofelectronsControl,maintenancemanagementandmanualinspectionsandthemassesThetraditionalway,becauseofthelackofscientificandeffectivemonitoringMeans,largearealightingduringtheday,nightnotlargeareaLightphenomenonoccursfrequently,oftencan'tfindandinatimelymannerProcessing,notonlycausedpowerresources,humanresourcesCost,improvetheoperatingcostsofthesystemandtocitizensLifebringinconvenience.
IntelligentroadlightingsystemcanaccordingtodifferentareaDomainofdifferentfunctionalrequirements,atdifferenttimesanddifferenteverydayNaturallightorunderdifferenttrafficflowconditions,thepressAccordingtoaspecificsetting,realizedynamicwisdomofroadlightingCanmanagement,namelytheTPOmanagement(TIME/PLACE,TIMELocation/OCCASIONoccasions).IntelligentroadlightingControlsystem,throughthecomprehensiveconsiderationandanalysisandroadMingiscloselyrelatedtotheintensityofilluminationtime,road,environmentandhanditinScenecontrolmethodsoffactorssuchasflowrate,inthemicrocomputerAccordingtothepresetcontrolstrategy,theroadlightingintoactionStreetlampintelligentmanagementandcontrolindifferentconditionsnormallyIndifferentstatesimplementdiversifiedroadlightingscene,ToimprovethequalityoflightingatthesametimegetthebestsectionCaneffect.
1.Thesystemhardwaredesign
Controlcircuitmainlytolight,temperaturesignalacquisition,datacomputingandanalysis,andcontrolofstreetlampdrivercircuitaccordingtotheresultsoftheoperation.CircuitmusthaveMDconversionfunction,adoptSTCl2C5608ADsinglechipmicrocomputerascontrolunit,thesingle-chipcomputerasasingleclockcycleenhanced8051kernelmicrocontroller,itcontains8KBFLASHprogrammemory,eightroadlOMDconversioninterface,canmeettheneedofdataacquisition.Lightintensity,temperaturesensorusingphotosensitiveresistanceandthermalresistance,respectively.
Figure1
Figure2
PhotosensitiveresistorRxandresistanceR2bleedercircuit,lightintensitychanges,microcontrollerP1.7pininputvoltagechanges,andP1.7pincanbesetupforMDconversioninterface,setathresholdvoltageforlightintensitycandistinguishbetweendayandnight.ThermalresistorRxandR3bleedercircuit,thetemperaturechanges,P1.5pinvoltagechange,thefigure1watchNAL/Dconversioncontrolcircuitgreenqualitycancalculatetheactualenvironmenttemperatureandtimecontroltomodifyparameters.S1forfourdialthecodeswitch,canbeusedtothink.
1.1hardwaredesign
Systemhardwaremodulesinclude:
controlmodule,miningUse89c51torealizeonSTC;Sensormodule,UsingphotosensitiveresistanceonthesurroundingenvironmentlightSample,usingphotosensitivediodeon-offtostreetlampequipmentObstacledetection;Theclockmodule,usingDS1302clockchipSlice;Displaymodule,whichismadeupoffourLEDdigitaltube,useTodisplaythefaultstreetlampnumber;Soundandlightalarmmodule,Implementationofmalfunctioningofthestreetlamplighthint;CommunicationmoduleBlocks,usedtotransmitcommandsfromPC.
1.2modulefunction
OnSTC89c51basedonDS1302clockchipProvidetheclocksignal,accordingtothefollowingtimeimplementationcontrolTurnoffthelights.
(1):
wintertime18:
00lightsatnight,Thenextmorningat7:
30toturnoffthelights.
(2)ageseasontime:
theeveningnumberisturnonthelight,Thenextmorningat6:
30toturnoffthelights.
(3)inthesummertime:
20:
00lightsatnight,Thenextmorningat5:
30toturnoffthelights.
Dynamicallychangesofthisperiodoftime,changesintheoperationAmachinetocomplete,throughthecommunicationmodulewillholdinstructionswrittentoSTC89c51chip,thenchangedthepointopentoturnoffthelightsDuringworktime.
Photosensitiveres