1、BRITISH STANDARD AEROSPACE SERIES BS EN 2591-615:2001 Elements of electrical and optical connection Test methods Part 615: Optical elements Connection integrity at temperature The European Standard EN 2591-615:2001 has the status of a British Standard ICS 49.060 NO COPYING WITHOUT BSI PERMISSION EXC
2、EPT AS PERMITTED BY COPYRIGHT LAWBS EN 2591-615:2001 This British Standard, having been prepared under the direction of the Engineering Sector Policy and Strategy Committee, was published under the authority of the Standards Policy and Strategy Committee on 14 December 2001 BSI 14 December 2001 ISBN
3、 0 580 38140 4 National foreword This British Standard is the official English language version of EN 2591-615:2001. The UK participation in its preparation was entrusted to Technical Committee ACE/6, Aerospace Avionic Electrical and Fibre Optic Technology, to Subcommittee ACE/6/10, Aerospace - Fibr
4、e Optic Systems and Equipment, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be foun
5、d in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards
6、 are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the
7、 UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 5 and a back cover. The BSI copyright date displayed in this document indicates
8、when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN2591615 November2001 ICS49.060 Englishversion AerospaceseriesElementsofelectricalandopticalconnection TestmethodsPart615:OpticalelementsConnection integrityat
9、temperature SriearospatialeOrganesdeconnexionlectriqueet optiqueMthodesdessaisPartie615:Organesoptiques Tenuedescontactsentemprature LuftundRaumfahrtElektrischeundoptische VerbindungselementePrfverfahrenTeil615:Optische ElementeFestsitzendesKontaktesunter Temperaturbeanspruchung ThisEuropeanStandard
10、wasapprovedbyCENon4June2001. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationt
11、otheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenat
12、ionalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCent
13、re:ruedeStassart,36B1050Brussels 2001CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN2591615:2001EEN2591615:2001(E) 2 Foreword ThisEuropeanStandardhasbeenpreparedbytheEuropeanAssociationofAerospaceManufacturers (AECMA). Afterinquiriesandvotescarried
14、outinaccordancewiththerulesofthisAssociation,thisStandardhas receivedtheapprovaloftheNationalAssociationsandtheOfficialServicesofthemembercountriesof AECMA,priortoitspresentationtoCEN. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidentical textorbyendorsement,a
15、tthelatestbyMay2002,andconflictingnationalstandardsshallbewithdrawnat thelatestbyMay2002. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark, Finland,France,Germany,Greece
16、,Iceland,Ireland,Italy,Luxembourg,Netherlands,Norway,Portugal, Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN2591615:2001(E) 3 1S c o p e Thisstandardspecifiesamethodofmeasuringtheperformanceofopticalcontactsinanopticalconnection element(includingpermanentconnections)whensubjectedtotensilestressthro
17、ughouttheoperating temperaturerange.Thistestshallnotbeappliedtospringloadedelements. ItshallbeusedtogetherwithEN2591100. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreferenceprovisionsfromotherpublications. Thesenormativereferencesarecitedattheappropriateplacesinthetextandt
18、hepublicationsarelisted hereafter.Fordatedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplyto thisEuropeanStandardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthe latesteditionofthepublicationreferredtoapplies. EN2591100 AerospaceseriesElementsofelectrica
19、landopticalconnectionTestmethods Part100:General 1) EN2591602 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part602:Variationofattenuationandopticaldiscontinuity EN25916101 AerospaceseriesElementsofelectricalandopticalconnectionTestmethods Part6101:Visualexamination 3 Preparatio
20、nofspecimens 3.1 Specimensshallbefittedwithnormalaccessoriesandterminatedinaccordancewiththeproduct standard. Cavitieswithunterminatedcontactsshallhavefillerplugsfittedwhereapplicable. Theopticalconnectionelementsshallbefittedwithcableswhicharelongenoughtopassthroughthe climaticchamber. 3.2 Unlessot
21、herwoisespecifiedinthetechnicalspecification,thefollowingdetailsshallbestated: fixingofspecimens; forcetobeapplied; minimumandmaximumtemperatures; rateofchangeoftemperature; numberanddurationofcycles; maximumpermissiblevariationofattenuation; typeandlengthofcable/fibre. 4 Apparatus SeeEN2591602. 1)
22、PublishedasAECMAPrestandardatthedateofpublicationofthisstandardEN2591615:2001(E) 4 4.1 Anexampleofthetestequipment(seefigure1)mayconsistofasteeltube,fixedtooneofthe wallbeamsinthechamber.Apulleyisfixedtooneendofthetubeandthestandardnutforthebeamisfitted attheotherend,allowingthewholeunittobefixedtot
23、hewallaswellasthefixingsystemforapairof connectorsortheopticalextension. 4.2 Aselfcenteringcollarallowsalignmentandfixingeitheroftheconnectorbaseoroftheextension mounting. 4.3 Theopticalcabletakingthestrainisgrippedinacableclampwhichisitselfembodiedinametal supportwhichallowstheloadtobefixed. Dimens
24、ionsaregiveninmillimetres. Key 1 Internalchamber 2 Opticalcable 3 Temperatureprobe 4 Recording 5 Receiver 6 Transmitter 7 Externalchamber Figure1EN2591615:2001(E) 5 5 Method 5.1 Testconditions Numberofcontactstobemeasured:seetable1. Table1 Nnumberofcontactsofthesamesize intheopticalconnectionelement
25、 Minimumpercentage tobemeasured: % N 10 40 10 N 25 20 25 N 10 Thenumberofcontactstobemeasuredshallberoundeduptothehighestnumber. 5.2 Procedure Afterhavingfittedthecablegrip,themeasuringequipmentshallbezeroed,thentheloadappliedonthehook ofthecablegrip.Thethermalcycle,(figure2aor2b),inaccordancewithth
26、eproductstandard,shallbe applied. Uponcompletionofthethermalcycle,theloadshallberemoved. Thevariationofattenuation(EN2591602MethodA)shallbemonitoredthroughoutthetest. Key Key 1 TemperatureC 1 TemperatureC 2 Time(minutes) 2 Time(minutes) 3 Max.temperature 3 Max.temperature 4 Min.temperature 4 Min.tem
27、perature Timeofeachstep:30min Gradientoftemperature between2C/minand5C/min Timeofeachstep:60min Gradientoftemperaturebetween 2C/minand5C/min Figure2aLowertemperaturediagram Figure2bHighertemperaturediagram 5.3 Finalmeasurementsandrequirements EN25916101Visualexamination Thespecimenshallmeetthespecif
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