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1、外文文献翻译（含：英文原文及中文译文）文献出处：LuT,LiuZ.TemperatureControlSystemofColdStorage[C]//InternationalConferenceonElectromechanicalControlTechnologyandTransportation.2015・英文原文TemperatureControlSystemofColdStorageLuT,LiuZAbstract:Thisdesignisatemperaturedetectionandautomatic
2、controlsystembasedonSTC89S52microcontrollerforthecoldstorage.Mainlyconsistsofapowersupply,atemperaturedetectioncircuit,asystemcontrolcircuit,actuator,thetemperaturedisplaycircuit,alarmcircuitandotherparts,usingDS18B20temperaturesensordetectsthecurrenttemperatu
3、reofcoldstoragethroughtheSTC89S52controllerandauxiliarycircuittocalculatetheoutput,andtheLCDdisplaythetemperaturevalue;ifthemeasurementvalueisupperorlowerlimitvalue,thesystemwillalarm,andatthesametimetostartorstoptheactuator,makingthetemperaturequicklyreachedt
4、hepresetrange・Keywords:IOT;Sensor;TemperaturedetectionIntroductionColdstorageisusingcoolingfacilitiestocreatetheproperhumidityandtemperatureconditionsofwarehouse,alsoknownascoldstorage,processingandstorageofagriculturalandlivestockproducts・Itcangetridoftheinfl
5、uenceofclimate,prolongtheperiodofstoragepreservationofagriculturalandlivestockproducts,inordertoregulatemarketsupply.Atpresent,ifyouwanttospeeduptherefrigeratorindustrytosafe,normative,environmentalprotection,energysaving,convenientoperation,simplestructureoft
6、hedirectionofdevelopment,wemusttoimprovetheautomaticmanagementlevelofthecoldstorageandmanagementtobefurtherstrengthened,andtheoperationcostisgreatlycutdown.Thispaperdesigntemperaturecontrolsystemisasimpleoperation,andislow-cost,easytorim.ThissystemisDS18B20dig
7、italsensortodetecttemperature,STC89S52microcontrollertocontrolthecoldstoragetemperature,withtemperature,alarmandcontroltemperatureandotherfunctions.DeterminationoftheprogrammeForcoldstoragetemperaturecontrolsystem,andthefollowingthreeschemes:1.SelectionofFPGAp
8、rogrammablelogicdevice,byusingFPGAdevicecangreatlyshortenthedesigntimeofthesystemandmaketheproductstomarketfaster,andthentoenhancethecompetitionabilityoftheproduct.2PLCprogrammable
