BS EN 13763-24-2002 Explosives for civil uses - Detonators and relays - Determination of the electrical non-conductivity of shock tube《民用爆炸物 雷管和传爆管 冲击管不导电性的测定》.pdf

1、Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN 13763-24:2002 Explosives for civil uses Detonators and relays Part 24: Determination of the electrical non-conductivity of shock tube The European Standard EN

2、 13763-24:2002 has the status of a British Standard ICS 71.100.30 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIBS EN 13763-24:2002 This British Standard was published under the authority of the Standards Policy and Strategy Co

3、mmittee on 6 June 2003 BSI 6 June 2003 ISBN 0 580 42003 5 National foreword This British Standard is the official English language version of EN 13763-24:2002. The UK participation in its preparation was entrusted to Technical Committee CII/61, Explosives for civil uses, which has the responsibility

4、 to: A list of organizations represented on this committee 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 found in the BSI Catalogue under the section entitled “Internation

5、al Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British

6、Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and Eu

7、ropean 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 9 and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since p

8、ublication Amd. No. Date Comments Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376324 September2002 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart24:

9、 Determinationoftheelectricalnonconductivityofshocktube ExplosifsusagecivilDtonateursetrelaisPartie24: Dterminationdelanonconductivitlectriquedutube transmissiondondesdechoc ExplosivestoffefrzivileZweckeZnderund VerzgerungselementeTeil24:Bestimmungder elektrischenNichtleitfhigkeitvonZndschluchen Thi

10、sEuropeanStandardwasapprovedbyCENon1August2002. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobt

11、ainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions.

12、CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain,Sweden,SwitzerlandandUnitedKingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITE

13、EFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2002CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1376324:2002E Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIEN1376

14、324:2002(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Apparatus .5 5 Testpieces. .6 6 Procedure .6 7 Testreport . .7 AnnexA (informative) Rangeofapplicabilityofthetestmethod.8 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirem

15、entsorother provisionsofEUDirectives. . 9 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIEN1376324:2002(E) 3 Foreword Thisdocument(EN1376324:2002)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretari

16、atofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyMarch2003,andconflictingnationalstandardsshallbewithdrawnatthelatestby March2003. ThisEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuro

17、peanCommissionandthe EuropeanFreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). FortherelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisstandard. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andrel

18、ays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements. EN137632 Part2:Determinationofthermalstability. EN137633 Part3:Determinationofsensitivenesstoimpact. prEN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes. prEN137635 Part5:Determinationofresistanc

19、etocuttingdamageofleadingwiresandshocktubes. prEN137636 Part6:Determinationofresistancetocrackinginlowtemperaturesofleadingwires. prEN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures. prEN137638 Part8:Determinationofresistancetovibrationofplai

20、ndetonators. prEN137639 Part9:Determinationofresistancetobendingofdetonators. prEN1376310 Part10:Determinationofresistancetotorsionofsealingplugs. prEN1376311 Part11:Determinationofdropresistanceofdetonatorsandrelays. prEN1376312 Part12:Determinationofresistancetohydrostaticpressure. prEN1376313 Par

21、t13:Determinationofresistanceofelectricdetonatortoelectrostaticdischarge. prEN1376314 Part14:Determinationofresistanceofelectricdetonatortotheinfluenceofradiofrequency radiation. prEN1376315 Part15:Determinationofequivalentinitiatingcapability. prEN1376316 Part16:Determinationofdelayaccuracy. prEN13

22、76317 Part17:Determinationofnofirecurrentofelectricdetonators. prEN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators. prEN1376319 Part19:Determinationoffiringpulseofelectricdetonators. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Un

23、controlled Copy, (c) BSIEN1376324:2002(E) 4 prEN1376320 Part20:Determinationoftotalresistanceofelectricdetonators. prEN1376321 Part21:Determinationofflashovervoltageofelectricdetonators. prEN1376322 Part22:Determinationofcapacitance,insulationresistanceandinsulationbreakdownofleading wires. EN137632

24、3 Part23: Determinationoftheshockwavevelocityofshocktube. prEN1376325 Part25:Determinationoftransfercapacityofrelayandcouplingaccessories. prEN1376326 Part26:Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays. prCEN/TS1376327 Part27:Definitions

25、,methodsandrequirementsforelectronicinitiationsystem. AnnexAisinformative. AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Iceland,Irelan

26、d,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Spain, Sweden,SwitzerlandandtheUnitedKingdom. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIEN1376324:2002(E) 5 1Scope ThisEuropeanStandardspecifiesmethodsofdeterminingtheele

27、ctricalinsulationresistance(nonconductivity) andtheelectricalflashoverdistanceofshocktubesforusewithnonelectricdetonators. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,

28、andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). prEN138571, Explosi

29、vesforcivilusesPart1:Terminology . ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). IEC60093:1980, Methodsoftestforvolumeresistivityandsurfaceresistivityofsolidelectricalinsulatingmaterials. IEC60167:1964, Methodsoftestforthedeterminationofth

30、einsulationresistanceofsolidinsulatingmaterials. 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninprEN138571apply. 4Apparatus 4.1 Determinationofelectricalinsulationresistance 4.1.1 Meterformeasuringelectricalinsulationresistance ,conformingtotherequirementsinI

31、EC60093:1980, clause5. 4.1.2 Voltagesource ,capableofapplyingatleast500Vd.c.withnomorethan2%deviation. 4.1.3 Conditioningchamber ,capableofbeingmaintainedat(20 2)Cand(50 5)%relativehumidity. 4.2 Determinationofelectricalflashoverdistance 4.2.1 Voltagesource,capableofapplying10kVd.c.withnomorethan3%d

32、eviationandwiththecurrent outputlimitedtonomorethan5mA. 4.2.2 Sensingdevice ,todetectwhenanelectricalflashoverhasoccurred. 4.2.3 Twoneedleelectrodes ,withadiameterof60%to80%oftheshocktubesinternaldiameter,madefrom stainlesssteelandhavingroundedends. NOTE Theroundedendsareneededtoavoidcoronadischarge

33、s,butdonotneedprecisespecification. 4.2.4 Testrig,comprisinganelectricallyinsulatedmountingarrangementtoholdthetestpieceinposition,a fixedsupportforoneneedleelectrodeandamoveablesupportwithalinearmeasuringscalefortheotherneedle electrode,asshowninFigure1. Licensed Copy: Wang Bin, ISO/Exchange China

34、Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIEN1376324:2002(E) 6 Key 1Fixedelectrode 2Testpiece 3Movableelectrode 4Electrodesupport 5Testpiecesupport 6Movableelectrodesupport Figure1Testrig 5 Testpieces 5.1 Determinationofelectricalinsulationresistance Select30lengthsof

35、shocktubeeachof(100 10)mm.Iftheshocktubesareassembledwithdetonators,the lengthsshallbetakenfrom30detonatorsofthesamespecifictype.Ifthedetonatorsformpartofaserieswith differentdelaytimes,selectthetestpiecesfrom30detonatorswithdelaytimesasevenlydistributedthroughout theseriesaspossible. 5.2 Determinat

36、ionofelectricalflashoverdistance Select30lengthsofshocktubeeachof(100 10)mm.Iftheshocktubesareassembledwithdetonators,the lengthsshallbetakenfrom30detonatorsofthesamespecifictype.Ifthedetonatorsformpartofaserieswith differentdelaytimes,selectthetestpiecesfrom30detonatorswithdelaytimesasevenlydistrib

37、utedthroughout theseriesaspossible. NOTE Alternatively,thelengthofthetestpiececanbedeterminedbyapreliminarytesttodeterminethemaximumflash overdistance,inwhichcasethelengthofthetestpieceshouldbeatleast10mmlongerthanthisdistance. 6Procedure 6.1 Preparationoftestpieces Conditionthetestpiecesfor24hat(20

38、 2)Cand(50 5)%relativehumidity. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIEN1376324:2002(E) 7 6.2 Determinationofelectricalinsulationresistance MeasuretheinsulationresistanceofthetestpiecesaccordingtoIEC60167:1964byusingcon

39、ductingpaint electrodesandbyapplyingavoltageofatleast500Vd.c. 6.3 Determinationofelectricalflashoverdistance Placethetestpieceinthemountingarrangementandinsertaneedleelectrodeatleast5mmintoeachendas showninFigure1.Applythetestvoltageof10kVtotheneedleelectrodes.Slowlydecreasethedistancebetween thenee

40、dleelectrodesbyinsertingthemovableelectrodefurtherintothetestpiece.Stopmovingtheneedle electrodeassoonaselectricalflashoveroccurs.Recordthe“flashoverdistance“betweentheinsertedendsofthe needleelectrodesinmillimetres. 7 Testreport ThetestreportshallconformtoENISO/IEC17025.Inaddition,thefollowinginfor

41、mationshallbegiven: a) theinsulationresistance,inohms; b) theflashoverdistance,inmillimetres. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIEN1376324:2002(E) 8 Annex A (informative) Rangeofapplicabilityofthetestmethod Therangeo

42、fapplicabilityofthetestmethod: 30Cto+80C. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIEN1376324:2002(E) 9 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives. Th

43、isEuropeanStandardhasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandthe EuropeanFreeTradeAssociationandsupportsessentialsafetyrequirementsofEUDirective93/15/EEC. WARNING:OtherrequirementsandotherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. Theclauseso

44、fthisstandardarelikelytosupportrequirementsI.1andII.1.(a)ofDirective93/15/EEC. Compliancewiththisstandardprovidesonemeansofconformingtothespecificessentialrequirementsofthe DirectiveconcernedandassociatedEFTAregulations. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 17 September 2003, Uncontrolled Copy, (c) BSIBS EN 13763-24:2002 BSI 389 Chiswick High Road London W4 4AL BSI