1、Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN 13763-21:2003 Explosives for civil uses Detonators and relays Part 21: Determination of flash-over voltage of electric detonators The European Standard EN 13763-2
2、1:2003 has the status of a British Standard ICS 71.100.30 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIBS EN 13763-21:2003 This British Standard, was published under the authority of the Standards Policy and Strategy Committee on
3、12 January 2004 BSI 12 January 2004 ISBN 0 580 43225 4 National foreword This British Standard is the official English language version of EN 13763-21:2003. The UK participation in its preparation was entrusted to Technical Committee CII/61, Explosives for civil uses, which has the responsibility to
4、: 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 “International
5、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 Sta
6、ndard 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 Europ
7、ean 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 notice displayed in this document indicates when the document was last issued. Amendments issued since pu
8、blication Amd. No. Date Comments Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376321 December2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart21: Deter
9、minationofflashovervoltageofelectricdetonators ExplosifsusagecivilDtonateursetrelaisPartie21: Dterminationdelatensiondeclaquagedesdtonateurs lectriques ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil21:Bestimmungder berschlagsspannungelektrischerZnder ThisEuropeanStandardwasapprovedbyCE
10、Non10November2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManage
11、mentCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstand
12、ardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG
13、 ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1376321:2003E Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376321:2003(E) 2
14、Contents page Foreword3 Introduction .5 1 Scope 6 2 Normativereferences 6 3 Termsanddefinitions. .6 4 Testpieces. .6 5 Apparatus .6 6 Procedure .6 7 Testreport . .7 AnnexA (informative) Rangeofapplicabilityofthetestmethods.8 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequi
15、rementsorother provisionsofEUDirectives 9 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376321:2003(E) 3 Foreword Thisdocument(EN1376321:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatof
16、whichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommission
17、andtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisinformative. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators an
18、drelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements EN137632 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes EN137635 Part5:Determinationofresistancetoc
19、uttingdamageofleadingwiresandshocktubes EN137636 Part6:Determinationofresistancetocrackinginlowtemperaturesofleadingwires EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures EN137638 Part8:Determinationoftheresistancetovibrationofplaindetonator
20、s EN137639 Part9:Determinationofresistancetobendingofdetonators EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure prEN1376313 Part13:Determinationofresistanceofelectricdetonatorsagainstelectrostaticdischa
21、rge prEN1376315 Part15:Determinationofequivalentinitiatingcapability EN1376316 Part16:Determinationofdelayaccuracy EN1376317 Part17:Determinationofnofirecurrentofelectricdetonators EN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators EN1376319 Part19:Determinationoffiringimpulseof
22、electricdetonators Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376321:2003(E) 4 EN1376320 Part20:Determinationoftotalelectricalresistanceofelectricdetonators EN1376322 Part22:Determinationofcapacitance,insulationresistanceandi
23、nsulationbreakdownofleading wires EN1376323 Part23:Determinationoftheshockwavevelocityofshocktube EN1376324 Part24:Determinationoftheelectricalnonconductivityofshocktube prEN 1376325 Part25:Determinationoftransfercapabilityofsurfaceconnectors,relaysandcoupling accessories prEN1376326 Part26:Definiti
24、ons,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays CEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystems AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimp
25、lementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre,
26、29 March 2004, Uncontrolled Copy, (c) BSIEN1376321:2003(E) 5 Introduction Whenblastingworkisperformedwithelectricdetonators,theyareusuallyconnectedinseries.Dependingonthe numberofdetonatorsusedinafiringround,theirelectricalresistance,theamountofenergyneededtoignitethe fuseheadsandtheresistanceofthec
27、onnectedshotfiringcable,itisusuallynecessarytoapplyvoltagesofseveral hundredvolts,oftenexceeding1kV,tothecircuittoensurecorrectinitiation. Detonatorscanalsobesubjectedtotheapplicationofhighvoltagescausedbyelectrostaticchargingofthefiring circuit. Todeterminetheabilityofdetonatorstowithstandtheseappl
28、iedhighvoltageswithoutmisfiringorinitiating prematurely,itisessentialtodeterminethevalueofappliedd.c.voltagewhichcausesflashoverbetweenthe detonatorleadingwiresandthedetonatorshell. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1
29、376321:2003(E) 6 1Scope ThisEuropeanStandardspecifiesamethodofdeterminingtheflashovervoltageofelectricdetonators. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepub
30、licationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN138571, Explosivesforcivil
31、usesPart1:Terminology. ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571apply. 4 Testpieces Select30detonatorsofeachspecifictype,havingthesamedesi
32、gnandchemicalcompositionoffusehead,primary charge,andsecondarycharge.Ifthedetonatorsformpartofaserieswithdifferentdelaytimes,select30 detonatorswithdelaytimesasevenlydistributedthroughouttheseriesaspossible. 5Apparatus 5.1 Ahighvoltagesource, capableofapplyingad.c.voltageofupto10kVwithanaccuracyof 5
33、0Vand notmorethan3,0%distortion.Thevoltageshallbecontinuouslyadjustable.Thecurrentoutputofthisvoltage sourceshallbelimitedtoamaximumof5mAtopreventthebuildupofanelectricarc. 5.2 Anammeter, todetectavoltageflashover. 6Procedure 6.1 Connectthedetonatorshelltooneterminalofthevoltagesource. Shortcircuitb
34、othleadingwiresofthedetonatorandconnectthemtothesecondterminal. Increasethevoltagecontinuouslyataratebetween50V/sand200V/suntilaflashoverisdetectedbyasudden increaseinthecircuitcurrent.Recordthevoltageatwhichtheflashoveroccurs. 6.2 Repeattheproceduredescribedin6.1foreachoftheremainingdetonators. Cal
35、culatethemeanvalueandthestandarddeviationoftheflashovervoltage. Calculatethesumofthemeanvalueand2,33timesthestandarddeviation(uppervalue)andthesumofthemean valueand2,33timesthestandarddeviation(lowervalue). Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Unco
36、ntrolled Copy, (c) BSIEN1376321:2003(E) 7 7 Testreport ThetestreportshallconformtoENISO/IEC17025.Inadditionthefollowinginformationshallbegiven: a) themeanvalueoftheflashovervoltage,thestandarddeviation,theuppervalueandthelowervalue; b) numberofdetonatorsinitiatedbytheflashover. Licensed Copy: Wang B
37、in, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376321:2003(E) 8 Annex A (informative) Rangeofapplicabilityofthetestmethods Rangeofapplicabilityofthetestmethod:30Cto+80C. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 Mar
38、ch 2004, Uncontrolled Copy, (c) BSIEN1376321:2003(E) 9 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociationandsupportsessentialr
39、equirementsofEUDirective93/15/EEC. Compliancewiththeclausesofthisstandardprovidesonemeansofconformingwiththespecificessential requirementsoftheDirectivesconcernedandassociatedEFTAregulations. WARNING:OtherrequirementsandotherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstand
40、ard. TheclausesofthisdocumentarelikelytosupportrequirementsI.1andII.1(i)ofDirective93/15/EEC. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIBS EN 13763-21:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institut
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