分布式温度传感器外文翻译.docx
- 文档编号:10811820
- 上传时间:2023-02-23
- 格式:DOCX
- 页数:10
- 大小:90.43KB
分布式温度传感器外文翻译.docx
《分布式温度传感器外文翻译.docx》由会员分享,可在线阅读,更多相关《分布式温度传感器外文翻译.docx(10页珍藏版)》请在冰豆网上搜索。
分布式温度传感器外文翻译
外文翻译(原文)
DistributedTemperatureSensor
Inthehumanlivingenvironment,temperatureplayinganextremelyimportantrole。
Nomatterwhereyoulive,engagedinanywork,ever-presentdealtwithtemperatureunder.Sincethe18thcentury,industrysincetheindustrialrevolutiontowhethercanmastersendexhibitionhastheabsolutetemperaturetouch.Inmetallurgy,steel,petrochemical,cement,glass,medicineindustryandsoon,cansayalmosteightypercentofindustrialdepartmentshavetoconsiderthefactorswithtemperature.Temperatureforindustrialsoimportant,thuspromotingthedevelopmentofthetemperaturesensor.
Majorgeneralthroughthreesensordevelopmentphase:
analogintegratedtemperaturesensor.Thesensoristakenwithsiliconsemiconductorintegratedworkmanship,thereforealsocalledsiliconsensorormonolithicintegratedtemperaturesensor.Suchsensinginstrumentshavesinglefunction(onlymeasuringtemperature),temperaturemeasurementerrorissmaller,pricelow,fastresponse,thetransmissiondistance,smallvolume,micro-consumptionelectronicetc,suitableforlongdistancemeasurementtemperature,temperaturecontrol,donotneedtoundertakenonlinearcalibration,peripheralcircuitissimple.Itiscurrentlythemostcommonapplicationathomeandabroad,anintegratedsensor。
TypicalproductshaveAD590AD592,TMP17,LM135,etc.jAnalogintegratedtemperaturecontroller.Analogintegratedtemperaturecontrollermainlyincludetemperaturecontrolswitch,programmabletemperaturecontroller,atypicalproducthaveLM56,AD22105andMAX6509.Someincreasestrengthtypeintegratedtemperaturecontroller(forexampleTC652/653)alsocontainstheA/Dconverterandcuregoodsequence,thisprocesswiththeintelligenttemperaturesensorsomesimilarities.Butitisnotitssystem,workbymicroprocessingdevicecontrol,thisisthemaindifferencebetween.Intelligenttemperaturesensor.intelligenttemperaturesensor(alsocalleddigitaltemperaturedegreessensor)isinthemid1990slaunch.Itismicroelectronicstechnology,computertechnologyandthedynamictestingtechnology(ATE)crystallization.Intelligenttemperaturesensorinternalcontaintemperaturesensor,A/Dconverter,signalprocessor,memory(orregisters)andinterfacecircuit.Someproductsstilltakemultiplexer,centralcontrolsystemdevice(CPU),randomaccessmemory(RAM)andreadonlymemory(ROM).Intelligenttemperaturesensorischaracteristicoftemperaturedataandrelevantcanoutputthetemperaturecontrolofthequantity,adaptationvariousmicrocontroller(MCU);
Thedevelopmenttrendofthetemperaturesensor.Inthe21stcentury,thetemperaturesensorisheadedinhighprecision,multi-function,bus,standardization,highreliabilityandsafety,developmentofvirtualsensorandnetworksensor,researchmonolithictemperaturemeasuringsystemandotherhigh-techdirectiondeveloprapidly.Sensorsintheapplicationtemperaturecontrollingsystem.Currentmarketexistsmainlysinglepointandmoretwotemperaturemeasurement.Forsinglepointtemperaturefoundmentinstrument,mainlyadoptsthetraditionalanalogintegratedtemperaturesensor,whichheatresistance,thermocouplesensorsmeasuringaccuracy,highmeasurementrange,andgotthegeneralapplication.Thisproductistemperaturemeasuringrange℃~200mostlybetween800℃,resolution12th,andleastdistinguishabletemperaturein0.001~0.01between.CabinLEDdisplaymodule,showsrangingfrom4to16.Someinstrumentsalsohasmemoryfunction,canstoreseveralhundredtoafewthousandsetsofdata.Thisinstrumentcanbeverygoodmeetasingleusersingle-pointmeasurementneeds.Moretemperaturemeasurement,relativeandsinglepointmeasurementprecisionhascertaingap,althoughrealizedthemulti-channeltemperaturemeasurementandcontrol,butthepriceisexpensive.Inviewofthepresentmarketsituation,proposedthistopiccansatisfyrequirements,scalableandcost-effectivesingle-chipmulti-channeltemperaturemeasuringsystem.ThroughthefirsttemperaturesensorDS18B20acquisition,andthenthroughtheC51SCMprocessinganddisplayedonthedigitaltube,canbecollectedindoororagreenhousearoundindifferentlocationsofthetemperature,withfourdigitaltubetodisplay.Thefirstdigitalpipedisplayacquisitioniswhichway,whichchannel.Threedigitalpipedisplayaftertheacquisitionchannelbytemperature,accurateto0.1degrees.
AT89C51isa4KbytesFLASHMemory(ErasableProgrammableandFPEROM-FLASHforthecampaignswith)lowvoltage,high-performanceCMOSeightmicroprocessors,commonlyknownasthemicrocontroller.AT89C2051isa2Kbyteswithflashmemorycanbeerasedprogrammableread-onlymemory,SCMcaneraseread-onlymemorycanberepeatederased1000times.ThisdeviceadoptsATMELhigh-densitynon-volatilememorymanufacturingtechnologymanufacturing,andindustrialstandardMCS-51instructionsetandoutputtubecompatible.Duetothemultifunctional8bitsCPUandwillbeflashingonsinglechipcombinationofmemory,ATMELAT89C51isakindofhighefficientmicrocontroller,AT89C2051isastreamlinedversion.AT89C51microcontrollerasmanyembeddedcontrolsystem.Arrangeappearanceandpinasshowninfigure"1-2"shown
1-2AT89C51pinsfigure
Majorfeatures:
·andMCS-51compatible
·4KbytesprogrammableFLASHmemory
·life:
1000write/wipecycle
·dataretentiontime:
10years
·thestaticjob:
0Hz-24MHz
·level3programmemorylock
·128x8bitsinternalRAM
·32programmableI/Olines
·two16timer
·5interruptsource
·programmableserialchannels
·lowpowerconsumptionofidleandpowerlostmode
·pieceinsideoscillatorandclockcircuit
Tubefeetexplains:
VCC:
powersupplyvoltage.
GND:
grounded.
P0Mouth:
P0mouthaeightleakleveltwo-wayI/Omouthopen,everyfootcanabsorb8TTLgatecurrent.WhenthepipemouthP0feetfirstwrite1,definedashighresistanceinput.P0canbeusedforexternalprogramdatastorage,itcanbedefinedastheeighthdata/address.InFIASHprogramming,P0mouthasthesource-codeinputport,whenFIASHcheck,thesource-codeP0output,whenP0externalmustbepulled.
P1mouth:
mouthisaninternalP1providepull-upresistors8-bittwo-wayI/Omouth,P1mouthbuffercanreceive4TTLgatecurrentoutput.P1mouthtubefeet,wasthenwrite1forhigh,pullupinsidecanbeusedasinput,P1mouthbeexternalpulldownforlowelectricityatordinarytimes,willoutputcurrent,thisisduetointernalpullupsake.InFLASHprogrammingandcalibration,P1mouthaseighthaddresstoreceive.
P2mouth:
foraninternalP2mouthonthe8-bitpull-upresistorstwo-wayI/Oport,P2mouthtoreceive,theoutputbuffer4TTLgatecurrent,whenP2mouthiswritten"1",itstubefeetareinternalpull-upresistors,andpushasinput.Andsoastheinput,P2mouthfeetareexternaldowntube,willoutputcurrent.Thisisduetointernalpullupsake.P2mouthwhenusedexternalprogrammemoryor16addressexternaldatamemoryaccess,P2mouthhighoutputaddresseight.Inagivenaddress"1",itusinginternalandexternal8addressadvantage,whenforreadingandwritingdatamemory,P2whenthespecialfunctionregistersmouthoutputofcontent.P2mouthinFLASHprogrammingandthecalibrationeightaddresswhenreceivinghighsignalandcontrolsignals.
P3mouth:
P3mouthpipeis8feetwithinternalpull-upresistorstwo-wayI/Oport,mayreceivefourTTLgatecurrentoutput.WhenP3mouthwriting"1",theyareinternalandhighlevel,andusedasinput.Asinput,duetoexternaldrop-downforlowlevel,P3mouthwilloutputcurrent(ILL)thisisduetopullup'ssake.
RST:
resetinput.WhenoscillatorresetdevicetokeepRSTfeethighleveltwomachinecycletime.
ALE/PROG:
whenaccessexternalstorage,addresslatchallowstheoutputlevelofthepositionforlatchaddressbyte.DuringtheFLASHprogramming,thispinforinputprogrammingpulse.Inpeacetime,theALEwithaconstantfrequencycycleoutputisthepulsesignal,thefrequenciesofthe1/6oscillatorfrequency.Soitcanbeusedagainstexternaloutputpulseorusedfortimingpurpose.Howeveritis:
wheneverusedforexternaldatastorage,willskipaALEpulse.IfyouwanttobantheALEoutputcanbeinSFR8EHaddressfor0.Atthistime,onlybyperformingtheALEMOVX,MOVCinstructionisALEtotakeeffect.Inaddition,thepinswereslightlyup.IfmicroprocessorinexternalexecutionALE,buyabanisinvalid.
/PSEN:
externalprogrammemorychoiceofcommunicationnumber.Byexternalprogrammemoryinduringtheinstructionfetch,eachmachinecycletwice/PSENeffective.Butonavisittoexternaldatastorage,thetwoeffective/PSENsignalswillnotappear.
/EA/VPP:
when/EAkeeplowlevelsinthisperiod,theexternalprogrammemory(0000H-FFFFH),whetherhaveinternalprogrammemory.Noteencryptionmethod1,/EAwillRESETforinternalfocus;When/EAendkeephighelectricityatordinarytimes,internalprogrammemoryhere.DuringtheFLASHprogramming,thispinisalsousedVPP12Vprogrammingpower(on).
XTAL1:
theinvertingoscillatoramplifierinputandinputtotheinternalclockoperatingcircuit.
XTAL2:
fromreverseoscillatoroutput.
KeilVision2isaboutthe8051seriesMCUKeilcompanyofdevelopmenttoolscanbeusedtocompileCsourcecode,assemblerssourceprogram,connectionandrelocationtargetfilesandlibraries,genbuilt:
documents,debuggingpurposesprocedure,etc,itisakindofintegrationofdocumentmanagementcompileenvironment.Itintegratesdocumenteditingprocessing,compileconnection,projectmanagement,window,toolscitedandsoftwarecopytruedebuggingandotherfunctions,isprettypowerfuldevelopmenttool.Inkeilinsidecompile,theprocedur
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- 分布式 温度传感器 外文 翻译