IEC 61757122023.docx

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1、IECIEC61757-1-2Edition1.02023-08INTERNATIONA1.STANDARDNORMEINTERNATIONA1.EB1.ourinsideFibreopticsensors-Part1-2:Strainmeasurement-DistributedsensingbasedonBri1.1.ouinscatteringCapteursfibroniques-Partie1-2:Mesurededeformation-Detectionr6partiebas6esurIadiffusiondeBri1.1.ouinTHISPUB1.ICATIONISCOPYRIG

2、HTPROTECTEDCoPyright2023IEC1Geneva,Switzer1.andAJ1.rightsreserved.UnteesO1.herWigespecified,nopartofthisPUb1.iCaIkinmaybereproducedoruti1.izedinanyformOfAanymeans,ec!ro;Ormechanica1.,nc1.dirgpoxxopyingandmicrofi1.m,withoutprmissoninwnt11gfromeitherIECofIECmemberNationa1.CommieinIhecountryofthereques

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5、atiade11CdevoirepaysderesidenceCSeaetanatTd.:“1229W02113.ruedoVarcmbciriecchCH-1211Geneva20ww.1.ec.cSwitZerIancIAbouttheIECTheIntornationa1.E1.cctrotcchnica1.Commisskxi(IEC)isthe1.eadingg1.oba1.organizationthatproparcsandpub1.ishesIntefnabonaJStandardstora1.1.e1.ectrics,eectroncandrentedtechno1.ogie

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14、fopinionontherdva11tsuboctssinceCoCmitteehasrcprcsc11Utionfroma1.interestedIECNatkxiaiCorrvmttees.31IECPub1.icationshavetheformOfrcommc11catkskxi11tomatio11auseandareacceptedbyIECNationa1.Committeesinthatsense.Vi1.ea1.1.reasonab1.eMOnSaremadetoensureIha!hetechnica1.coientcIECPuWcatonsisaccraie.IECca

15、nnotbeheona1.un1.formty.IECNationa1.CommitteesundeHaketoapp1.yIECPutoUcat1.stransparent1.yxthemaximumextentpossb1.inIheirnationa1.andregona1.PUbICabOns.AnydvergencebetweenanyIECPubicabonandthecorrespondingnationa1.regiona1.pub1.icationsha1.1.beCteaf1.yindicatedinthe1.atter.5)IECItse1.tdoestPfoVkJean

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17、sdirxkxs,emp1.oyeesservantsnOimSdoCUfnea1.IEChadno!recved11ooceof（八）aent(三).whcmayber。WirCdrnp1.c11jntthisghtsIEC61757-1-2hasbeenpreparedbysubcommittee86C：FibreOP1.iCsystemsandactivedevices,otIECmittee86：FibreoicsIt0anInternationa1.StandardThetextofthisIntornaiiona1.Standardisbasedontheto1.1.owingdo

18、cumentsDraftRepononVO1.mg86G,1857.CDV8e,i87a,RvcFu1.1.informationonthevotingtoritsapprova1.canbefoundintherepo11onvotingindkatedmtheabovetab1.e.The1.anguageusedforthedeve1.opmentofthisInternationa1.StandardisEng1.ish.ThisdocumentwasdraftedinaccordancewithISO.1ECDirectives,Pan2,and(Jcveiopcdinacrdanc

19、ewithISQ,IECDirectives.Part1andISQ1IECDirec1.ives.IECSupp1.ement,avai1.ab1.eatww.ec.chmemters-xperts,refdccs.Themaindocumenttypesdeve1.opedbyIECaredescribedingreaterdetai1.atwyJeuctvpub1.ications.A1.istofa1.1.partsintheIEC61757series,pub1.ishedUnderthegenera1.tit1.eFibreopticsensors.canbefoundontheI

20、ECwebs*te.Thefmncohasctwi1.1.remainunchangedunti1.thestabi1.itydateindicatedontheIECWebSiteunder,ebstQre.ec.chinthedatare1.atedtothespecificdocument.Atthisdate,thedocumentwd1.be reconfirmed. withdrav/n.or revised.IMPORTANT-Theco1.ourinside1.ogoonthecoverpageo1.thisdocumentindicatesthatitcontainsco1.

21、ourswhichareconsideredtobeusefu1.forthecorrectunderstandingofitscontents.Usersshou1.dthereforeprintthisdocumentusingaco1.ourprinter.IntroductionThisdocumentispartoftheIEC61757series,wchisdedicatedtofibreopticsensorsGCnCnCspecificationsforfibreoptcsensorsaredefinedinIEC61757.Theindividua1.partsOf1.he

22、IEC61757seriesarenumberedasIEC61757-M-T,WhereMdenotesthemeasureand7thetcchnoogyotthefibreopiicSonSOr.TheIEC61757-rseriesisconcernedwithstranmeasurementsFIBREOPTICSENSORS-Part1-2:Strainmeasurement-DistributedsensingbasedonBri1.1.ouinscattering1 ScopeThispartofIEC61757definesdetai1.edspecificationsfor

23、distributedstrainmeasurementswithafbreopicsensor,a1.soknownas,freopticdistributedstrasensing*.ItisappcaWetodistributedstrainsensingsystems(DSS)basedonspontanesorstimu1.atedBri1.touinscatteringintheoptica1.fibresensor(strainsensitivee1.ement),Iha1.is.tosensorscapab1.eofmeasuringabso1.utestrain.Thisdo

24、mentspecifiesthemostimportantDSSperformanceparametersanddefinestheproceduresfortheirdetermination.2 NormativereferencesThefo1.1.owingdocumentsarereferredtoSIhCtextinsuchaWaythatsomeora1.1.oftheircontentconstitutesrequirementsofthisdocument.Fordatedreferences.Ontytheeditiondiedapp1.ies.Forundatedrefe

25、rences,th1.atesteditionofthereferenceddocument(inc1.udinganyamendments)app1.ies.IEC61757:2018.Fibreopticsensors-GenericspecificationIEC61757-2-2:2016.Fibfeopticsensars-Pan22Temperaturemeasurement-DrstnbutGdsensingIEC61757-322O22.Fibreopticsensors-Part3-2:Acousticsensingandvibrationmeasurement-Drstnb

26、utcdsenngSO*,ECGuide983Uncertaintyo1measurement-Part3GUidetotheexpressionofuncertaintyinmeasurement(GUM:1995)3 Terms,definitions,abbreviatedtermsandsymbo1.s3.1 TermsanddefinitionsForthepurposesofthisdocument,thetermsanddefinitionsgiveninIEC61757.IEC6175722.IEC61757-3-2.andthefo1.1.owingapp1.y.ISOand

27、IECmaintaintermino1.ogydatabasesforuseinstandardizationatthefo1.owingacJdrcsses： IECEioctropodia:avai1.ab1.eath11sw,wc1.ccirocCQ.wso.xg,obpNOTERxthekM1.owmgde1.n1.bS.tere1.evanttestproceduresandparametersare(JettnedinC1.ause4.3.1.1distributedfibreopticstrainsensingsystemDSSmeasurementset-upconsistin

28、gofadistributedfibreop(icsensorconnectedtoaninterrogationunit,inc1.udingprocessor,dataarchive,anduserinterface,whichprovidesaspatia1.1.yreso1.vedstrainmeasurement(SOURCE:IEC61757322022,3.1.2,modified-adaptedtodistrutedstrainmeasurement!312distancemeasurementrangemaximumdistancefromtheDSSinterrogatio

29、nunitoutputconnectora1.ongthefibreOPbCsensorwithinvhictheDSSmeasuresstrainwithspecifiedmeasurementperformanceunderdefined11ddionsNote1toentry:DefinedCorxfitionsarespatia1.rec1.uiion(3.1.8).spatia1.strainUnOenain1.y(3.1.9)andf11easufementbrne(3.1.5).Note2toentry:TNssupportingpGrameter怆tfostyre1.atedt

30、othetota1.accumu1.atedoptica1.1.oss(oneway)to1.eratedbytheinterrogationUnnwithoutMeCtjngspecifiedmeasurementperformance.IntestcasesusedtoPrOTeorventytherepoedSPeCHIea1.1.Ons.thetota1.KtXeIengtnsha1.1.beequa1.toofgreaterthanthespecifieddistarcemeasurementrange,fxtheto1.eratedtota1.accumu1.atedoptica1

31、1.oss.Note3toEryThedsia118HieasuremeatrangeisUSUaMyexpressedkmNoto4toentry:Fasuromtrangesgivenbyha1.fIhcIibrC1.engthbetweenIheoutputandinputconnectorof!heinienogationunitSOURCE:IEC61757-2-2:2016.3.2.andISO1ECGuide99:2007,4.7.moddied-adaptedtoCkstributedstrainmeasurement3.1.3strainedspotA1.1.engthof

32、freoptcsensorthatexperiencesasma1.1.e1.ongationG).wichcausesstrainthatissignificant1.ybggerthanIbOstrainrepeatabi1.ityoftheinterrogationUn1.1.andwhichISconfirmedbyareferencestrainmeasurementNoteitoentry：Thapp1.iedstrain/isequa1.to(d)Note2toentry:Risusefu1.tode1.1.nestrainin,Wbefe1ccorrespondstoaMoMmoveraA1.of1m.SOURCE:IEC61757-2-2:2016.3.6,modified-adaptedtodistributedstrainmeasurement3.1.4IOCa1.ion1.