1、BRITISH STANDARD BS EN 13763-17:2003 Explosives for civil uses Detonators and relays Part 17: Determination of no-fire current of electric detonators The European Standard EN 13763-17:2003 has the status of a British Standard ICS 71.100.30 BS EN 13763-17:2003 This British Standard, was published und
2、er the authority of the Standards Policy and Strategy Committee on 12 January 2004 BSI 12 January 2004 ISBN 0 580 43231 9 National foreword This British Standard is the official English language version of EN 13763-17:2003. The UK participation in its preparation was entrusted to Technical Committee
3、 CII/61, Explosives for civil uses, which has the responsibility 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 fo
4、und in the BSI Catalogue under the section entitled “International 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 res
5、ponsible for its 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 international/European committee any enquiries on the interpretation, or proposals for change, and keep
6、 the 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 9 and a back cover. The BSI copyright notice displayed in this document indi
7、cates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376317 December2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart17: Determinationofnofirecurrentofelectricdetonators Explo
8、sifsusagecivilDtonateursetrelaisPartie17: Dterminationducourantmaximaldenonamoragedes dtonateurslectriques ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil17:Bestimmungder NichtansprechstromstrkeelektrischerZnder ThisEuropeanStandardwasapprovedbyCENon10November2003. CENmembersareboundtoc
9、omplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropean
10、Standardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepubli
11、c,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050B
12、russels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1376317:2003EEN1376317:2003(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Testpieces. .5 5 Apparatus .5 6 Procedure .6 7 Calculationofresults 6
13、8 Testreport . .7 AnnexA (informative) Rangeofapplicabilityofthetestmethod.8 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives 9EN1376317:2003(E) 3 Foreword Thisdocument(EN1376317:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explo
14、sivesforcivil uses“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2004. Thisdocumenthasbeenpreparedunderamand
15、ategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisinformative. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle
16、 ExplosivesforcivilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements EN137632 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes EN13763
17、5 Part5:Determinationofresistancetocuttingdamageofleadingwiresandshocktubes EN137636 Part6:Determinationofresistancetocrackinginlowtemperaturesofleadingwires EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures EN137638 Part8:Determinationofther
18、esistancetovibrationofplaindetonators EN137639 Part9:Determinationofresistancetobendingofdetonators EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure prEN1376313 Part13:Determinationofresistanceofelectric
19、detonatorsagainstelectrostaticdischarge prEN1376315 Part15:Determinationofequivalentinitiatingcapability EN1376316 Part16:Determinationofdelayaccuracy EN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators EN1376319 Part19:Determinationoffiringimpulseofelectricdetonators EN1376320 P
20、art20:Determinationoftotalelectricalresistanceofelectricdetonators EN1376321 Part21:DeterminationofflashovervoltageofelectricdetonatorsEN1376317:2003(E) 4 EN1376322 Part22:Determinationofcapacitance,insulationresistanceandinsulationbreakdownofleading wires EN1376323 Part23:Determinationoftheshockwav
21、evelocityofshocktube EN1376324 Part24:Determinationoftheelectricalnonconductivityofshocktube prEN 1376325 Part25:Determinationoftransfercapabilityofsurfaceconnectors,relaysandcoupling accessories prEN1376326 Part26:Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe function
22、ofdetonatorsandrelays. CEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystems AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, Fr
23、ance,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1376317:2003(E) 5 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingthenofirecurrentofelectricdetonators. 2 Normativereferences ThisEuropeanSt
24、andardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorpora
25、tedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). prEN137631, ExplosivesforcivilusesDetonatorsandrelaysPart1:Requirements. EN138571, ExplosivesforcivilusesPart1:Terminology. ENISO/IEC17025,Generalrequirementsforthecompetenceofte
26、stingandcalibrationlaboratories(ISO/IEC 17025:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571andthefollowingapply. PBBStest statisticalmethodusedtocharacterisethesensitivity,toaphysicalstimulus,of“oneshot“pyrotechnical components. Theprincipleo
27、fthetestistomeasurethefiringfrequencyatpredefinedlevelsofthephysicalstimulus.The physicalstimulusinthisstandardisthefiringcurrent.Sensitivitylevelscorrespondingtotherequiredprobability andconfidencelimitsarethendeterminedbyextrapolation. AdetaileddescriptionofthetestisgiveninprEN137631. 4 Testpieces
28、 DependingonthenumberoflevelsofthePBBStest,170to250detonatorsofthesametypeareneeded(i.e. samebridgewireignitionsystemandshell).Use30detonatorsforthepreliminarytest(see6.2)and20detonators foreachcurrentlevelinthedetermination(see6.3).Ifthedetonatorsformpartofaserieswithdifferentdelay times,selectdeto
29、natorswithdelaytimesdistributedasevenlyaspossiblethroughouttheseries. Ifthenofirecurrentclaimedbythemanufacturerislessthanorequalto2A,barefuseheadscanbeusedinstead ofcompletedetonators. Ifthedetonatorsaremagneticallycoupled,thecouplingunitshallberemoved. 5Apparatus Squarepulsecurrentsupply ,withthef
30、ollowingcharacteristics: a)astabilizedcurrentwithatoleranceontheoutputof 1%ofthespecifiedvalue(see6.3.2); b)asquarepulsewithatoleranceof 1%ofthespecifiedduration(see6.3.3);EN1376317:2003(E) 6 c)acurrentovershootofnotmorethan10%ofthespecifiedcurrent,anddurationnotgreaterthan1ms(onpure resistiveload);
31、 d)arisetimeforthecurrentofnotmorethan1ms(onpureresistiveload). 6Procedure 6.1Conditioning Storethesamplesatambienttemperatureforatleast2hbeforetesting. 6.2 Preliminarytesting Carryoutapreliminarytest(forexampleaBrucetontest),using30detonators,toobtainanestimateofthecurrent for50%firing( I 0,5 )andt
32、hestandarddeviation( s).Thedurationofthesquarepulseshallbesetto10sifthenofire currentclaimedbythemanufacturerislessthanorequalto2Aand5minifitisgreaterthan2A. 6.3 Testingtodeterminethenofirelevel 6.3.1 Performthetestatambienttemperature(20 2)C,asfollows: 6.3.2 Choose7to11currentlevelscoveringtheinter
33、val I 0,5 2 s. 6.3.3 Connectthecurrentpulserecorderandsetthesquarepulsedurationto10sifthenofirecurrentclaimed bythemanufacturerislessthanorequalto2A,and5minifitisgreaterthan2A. 6.3.4 Setthecurrenttothefirstlevel. 6.3.5 Connectonedetonator(orfusehead)tothecircuitandapplythecurrentpulse. 6.3.6 Recordw
34、hetherthedetonator(orfusehead)fires. 6.3.7 Repeatsteps6.3.5to6.3.6usingtheother19detonators(orfuseheads). 6.3.8 Repeatsteps6.3.4to6.3.7foreachoftheothercurrentlevels. 7 Calculationofresults Foreachleveltested,determinethenumberoffirings. CalculatethenofirecurrentusingthePBBStest.Theprobabilityandcon
35、fidencelevelsaresetat0,01%and95% respectively.EN1376317:2003(E) 7 8 Testreport ThetestreportshallconformtoENISO/IEC17025.Inaddition,thecurrentlevels,meanvalues,standard deviations,numberofignitions,numberofnonignitionsandthenofirecurrentfor0,01%probabilityand95% confidencelevelshallbegiven.EN1376317
36、:2003(E) 8 Annex A (informative) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityofthetestmethod:30Cto+80C.EN1376317:2003(E) 9 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives ThisdocumenthasbeenpreparedunderamandategiventoCE
37、NbytheEuropeanCommissionandtheEuropean FreeTradeAssociationandsupportsessentialrequirementsofEUDirective93/15/EEC. Compliancewiththeclausesofthisstandardprovidesonemeansofconformingwiththespecificessential requirementsoftheDirectivesconcernedandassociatedEFTAregulations. WARNING:Otherrequirementsand
38、otherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. TheclausesofthisdocumentarelikelytosupportrequirementsinI.1,I.2,II.1(a)andII.1(i)ofDirective93/15/EEC.BS EN 13763-17:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the indepen
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