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分布式溫度傳感器外文文獻(xiàn)翻譯(含:英文原文及中文譯文)文獻(xiàn)出處:英文原文DistributedTemperatureSensorChristopherWalker1.Sensorintroduction1.1TemperaturesensorbackgroundInthehumanlivingenvironment,temperatureplayinganextremelyimportantrole。Nomatterwhereyoulive,engagedinanywork,ever-presentdealtwithtemperatureunder.Sincethe18thcentury,industrysincetheindustrialrevolutiontowhethercanmastersendexhibitionhastheabsolutetemperaturetouch.Inmetallurgy,steel,petrochemical,cement,glass,medicineindustryandsoon,cansayalmosteightypercentofindustrialdepartmentshavetoconsiderthefactorswithtemperature.Temperatureforindustrialsoimportant,thuspromotingthedevelopmentofthetemperaturesensor.1.2TemperaturesensordevelopmentMajorgeneralthroughthreesensordevelopmentphase: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);1.3SinglepointandmoretemperaturesensorThedevelopmenttrendofthetemperaturesensor.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.2.Thesystemrealizedandrelatedtechnologies2.1ThesystemisrealizedBythewholecontrolsystemforcoreAT89C51,usingfourwaysoftemperaturesensorDS18B20inproductionsitefordistributionareaoffourdifferenttemperaturemeasurementresultwiththechipchecking,collationstoreanddisplay,andthroughthebuttoncontrol,temperaturewillprocessaftertheLEDdigitaldisplaytocomeout,andthesoftwareassurancesystemanti-interferencecapacity.ConnectedtoMCUrespectively,thisschemefourIOmouthoccupyMCUfourIOthough,butthemicrocontrollerIOmouthundertheconditionofmouthnotshortagebythisschemegreatlysimplifyprogrammingdifficulty,shortenthedesigncycle,alsocanguaranteethestabilityofthesystem.Amultipointconnectionasshown.2.2AT89C51ChipintroductionAT89C51isa4KbytesFLASHMemory(ErasableProgrammableandFPEROM-FLASHforthecampaignswith)lowvoltage,high-performanceCMOSeightmicroprocessors,commonlyknownasthemicrocontroller.AT89C2051isa2Kbyteswithflashmemorycanbeerasedprogrammableread-onlymemory,SCMcaneraseread-onlymemorycanberepeatederased1000times.ThisdeviceadoptsATMELhigh-densitynon-volatilememorymanufacturingtechnologymanufacturing,andindustrialstandardMCS-51instructionsetandoutputtubecompatible.Duetothemultifunctional8bitsCPUandwillbeflashingonsinglechipcombinationofmemory,ATMELAT89C51isakindofhighefficientmicrocontroller,AT89C2051isastreamlinedversion.AT89C51microcontrollerasmanyembeddedcontrolsystem.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;3ConclusionsDiscretezonesofgroundwaterdischargeinastreamwithinapeat-dominatedwetlandwereidentifiedonthebasisofvariationsinstreambedtemperatureusingadistributedtemperaturesensor(DTS).DuringSeptember,groundwaterinnorthernWisconsinis5–16coolerthansurfacewater,creatingthenecessarycontrastrequiredwhenusingtheDTSsothatthetemperaturedifferencecanbeusedasanaturaltracerforidentifyinggroundwaterdischargetothestream.TheDTSgivesarelativelycomprehensiveviewofthestreamreachthroughaccuratemeasurementsofthespatialandtemporalvariationofstreambedtemperatureoveramuchlargerreachofstreamthancanbeobtainedusingseepagemeters,temperatureprobes,orthermocouples.DTStechnologyhasseverallimitationsrelatedtobothinstallationandenvironmentalfactors.Caremustbetakenduringfieldemplacementtoensurethefiber-opticcableisplacedataconsistentdepthbelowthesedimentwaterinterface.Artifactsofvariationsincableplacementcouldbeobservedinthetemperaturerecordifthecableisnotbelowthesediment-waterinterface.Animalactivitycanalsoimpactfieldstudies,causingbreaksalongthefiberopticcable.Inthisresearch,animalactivityreducedthelengthofthefiber-opticcablefrom1300(Figure2)to650m(Figure5).Placingthefiber-opticcablewithinaprotectiveconduitextendedthelifeofthecable.ItisalsoimportantthattheDTSbedeployedduringthosetimesoftheyearand/ordaywhenthereisalargedifferencebetweenstreamandgroundwatertemperatures.[23]IsolatedtemperatureanomaliesobservedalongAllquashCreekcorrespondtofocusedgroundwaterdischargezones,likelycausedbysoilpipeswithinthepeat.Ahole,consistentwiththepresenceofasoilpipe,wasobservedwithinthestreambedofAllquashCreek,anditslocationcorrespondedtoatemperatureanomalyalongtheDTSprofileaswellasstrongdischargemeasuredinaseepagemeter.TheDTSalsorecordedvariationsinthenumberoftemperatureanomaliesperunitlengthofstream,whichcorrelatedwithachangefromagainingtoalosingreach.[24]FocusedzonesofgroundwaterdischargeinAllequashCreekshowednochangeinpositionoversuccessivemeasurementperiodsonthebasisofananalysisofthestandarddeviationoftemperaturethroughtime.Thesteadypositionofthesezonesimpliesrelativelystablegroundwaterflowlocationswithinthepeatoverthetimescaleinvestigated.However,locatingtheexactlocationofdischargezoneswithstandardseepagemeterinvestigationsinwetlandstreamsunderlaidbypeatcanbeproblematic;indeed,atthisstudysiteitwouldbeexceedinglylabor-intensivetofindhydrologicallyactivelocationsinthestreamwithouttheDTS.TheDTSmeasurementsallowedustotargetspecificlocationsinthestreambedforfieldinvestigationsusingseepagemeters.Seepagemetermeasurementsshowedatwoordersofmagnitudedifferenceingroundwaterfluxtothestreambetweenfocusedanddiffusedischargezones.However,evenwitha1-maveragedDTSmeasurement,additionalfieldcharacterizationwasrequiredtoaccuratelylocatethedischargezone.中文譯文分布式溫度傳感器作者:克里斯托弗·沃克1.傳感器介紹1.1溫度傳感器背景在人類(lèi)的生活環(huán)境中,氣溫起著極其重要的作用,無(wú)論你住在哪里,從事任何工作,永遠(yuǎn)處在溫度下。18世紀(jì)以來(lái),工業(yè)革命以來(lái)工業(yè)革命對(duì)于高手發(fā)展是否有絕對(duì)的溫度觸動(dòng)。在冶金,鋼鐵,石化,水泥,玻璃,醫(yī)藥等行業(yè)中,幾乎有百分之八十的工業(yè)部門(mén)需要考慮溫度的因素。對(duì)于工業(yè)溫度如此重要,從而推動(dòng)了溫度傳感器的發(fā)展。1.2溫度傳感器的開(kāi)發(fā)少將通過(guò)三個(gè)傳感器開(kāi)發(fā)階段:模擬集成溫度傳感器。該傳感器采用硅半導(dǎo)體集成工藝制造,因此也被稱(chēng)為硅傳感器或單片集成溫度傳感器。這類(lèi)傳感儀器具有單功能(只測(cè)量溫度),測(cè)溫誤差較小,價(jià)格較低,響應(yīng)速度快,傳輸距離遠(yuǎn),體積小,微電子消耗等優(yōu)點(diǎn),適用于長(zhǎng)距離測(cè)溫,溫控,不需要進(jìn)行非線性校準(zhǔn),外圍電路簡(jiǎn)單。它是目前國(guó)內(nèi)外最常見(jiàn)的應(yīng)用集成傳感器,典型產(chǎn)品有AD590,AD592,TMP17,LM135等.Analog集成溫度控制器。模擬集成溫度控制器主要包括溫度控制開(kāi)關(guān),可編程溫度控制器,典型產(chǎn)品有LM56,AD22105和MAX6509。有些增加強(qiáng)度型集成溫度控制器(例如TC652/653)還包含A/D轉(zhuǎn)換器和固化好序列,這個(gè)過(guò)程與智能溫度傳感器有一些相似之處。但它不是它的系統(tǒng),工作由微處理器控制,這是主要的區(qū)別。智能溫度傳感器。智能溫度傳感器(也稱(chēng)為數(shù)字溫度傳感器)是在20世紀(jì)90年代中期發(fā)射的。它是微電子技術(shù),計(jì)算機(jī)技術(shù)和動(dòng)態(tài)測(cè)試技術(shù)(ATE)的結(jié)晶。智能溫度傳感器內(nèi)部包含溫度傳感器,A/D轉(zhuǎn)換器,信號(hào)處理器,存儲(chǔ)器(或寄存器)和接口電路。有些產(chǎn)品還采用多路復(fù)用器,中央控制系統(tǒng)設(shè)備(CPU),隨機(jī)存取存儲(chǔ)器(RAM)和只讀存儲(chǔ)器(ROM)。智能溫度傳感器具有溫度數(shù)據(jù)特性和相關(guān)可輸出量的溫度控制,適應(yīng)各種微控制器(MCU);1.3單點(diǎn)和多點(diǎn)溫度傳感器溫度傳感器的發(fā)展趨勢(shì)。進(jìn)入21世紀(jì),溫度傳感器向高精度,多功能,總線,標(biāo)準(zhǔn)化,高可靠性和安全性方向發(fā)展,虛擬傳感器和網(wǎng)絡(luò)傳感器的發(fā)展,單片溫度測(cè)量系統(tǒng)等高科技方向的研究迅速發(fā)展。應(yīng)用溫度控制系統(tǒng)中的傳感器。目前市場(chǎng)主要存在單點(diǎn)和多點(diǎn)兩種溫度測(cè)量。對(duì)于單點(diǎn)溫度基準(zhǔn)儀,主要采用傳統(tǒng)的模擬集成溫度傳感器,其熱阻,熱電偶傳感器測(cè)量精度高,測(cè)量范圍大,得到了廣泛的應(yīng)用。本產(chǎn)品溫度測(cè)量范圍℃?200℃,大多在800℃之間,分辨率12℃,且最小辨別溫度在0.001?0.01℃之間。機(jī)艙LED顯示模塊,顯示范圍從42.系統(tǒng)實(shí)現(xiàn)和相關(guān)技術(shù)2.1系統(tǒng)實(shí)現(xiàn)通過(guò)核心AT89C51的整個(gè)控制系統(tǒng),在生產(chǎn)現(xiàn)場(chǎng)使用四路溫度傳感器DS18B20為四個(gè)不同溫度測(cè)量結(jié)果的分配區(qū)域進(jìn)行芯片檢查,整理存儲(chǔ)和顯示,并通過(guò)按鈕控制,溫度將在LED之后進(jìn)行處理數(shù)字顯示器出來(lái)了,軟件保證系統(tǒng)的抗干擾能力。該方案分別與MCU相連,該方案四個(gè)IO口雖然占用MCU四個(gè)IO,但由于該方案在口下條件下的微控制器IO口大大簡(jiǎn)化了編程難度,縮短了設(shè)計(jì)周期,也能保證系統(tǒng)的穩(wěn)定性。如圖所示的多點(diǎn)連接。2.2AT89C51芯片介紹AT89C51是一款4K字節(jié)的FLASH存儲(chǔ)器(可擦除可編程和FPEROM-FLASH,用于廣告系列)低電壓,高性能CMOS八位微處理器,俗稱(chēng)微控制器。AT89C2051是一個(gè)2K字節(jié)的帶閃存的可擦除可編程只讀存儲(chǔ)器,單片機(jī)可以擦除只讀存儲(chǔ)器,可以反復(fù)擦除1000次。該器件采用ATMEL高密度非易失性存儲(chǔ)器制造技術(shù)制造,并與工業(yè)標(biāo)準(zhǔn)MCS-51指令集和輸出管兼容。由于多功能8位CPU,并且將在單芯片組合內(nèi)存上閃爍,ATMELAT89C51是一種高效微控制器,AT89C2051是一款精簡(jiǎn)版。AT89C51微控制器作為許多嵌入式控制系統(tǒng)。P0口:P0口一個(gè)八泄漏雙向I/O口,每一腳可吸收8TTL門(mén)電流。當(dāng)管口P0腳先寫(xiě)1時(shí),定義為高阻輸入。P0可用于外部程序數(shù)據(jù)存儲(chǔ),它可以定義為第8個(gè)數(shù)據(jù)/地址。在FIASH編程中,P0口作為源碼輸入口,當(dāng)FIASH檢查時(shí),源碼P0輸出,P0外部必須被拉。P1口:口是內(nèi)部P1提供上拉電阻8位雙向I/O口,P1口緩沖器可接收4TTL門(mén)電流輸出。P1口管腳,然后寫(xiě)入1為高電平,內(nèi)部上拉可用作輸入,平時(shí)P1口為低電平外部拉低,會(huì)輸出電流,這是由于內(nèi)部上拉緣故。在FLASH編程和校準(zhǔn)時(shí),P1口作為第八個(gè)
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