EN 13763-19-2003 en Explosives for civil uses Detonators and relays Part 19 Determination of firing impulse of electric detonators《民用爆炸物 雷管和传爆管 第19部分 电雷管的点火脉冲的测定》.pdf

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1、BRITISH STANDARD BS EN 13763-19:2003 Explosives for civil uses Detonators and relays Part 19: Determination of firing impulse of electric detonators The European Standard EN 13763-19:2003 has the status of a British Standard ICS 71.100.30 BS EN 13763-19:2003 This British Standard was published under

2、 the authority of the Standards Policy and Strategy Committee on 12 January 2004 BSI 12 January 2004 ISBN 0 580 43224 6 National foreword This British Standard is the official English language version of EN 13763-19:2003. The UK participation in its preparation was entrusted to Technical Committee C

3、II/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 foun

4、d 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 respo

5、nsible 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 t

6、he 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 indica

7、tes when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376319 December2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart19: Determinationoffiringimpulseofelectricdetonators Explosi

8、fsusagecivilDtonateursetrelaisPartie19: Dterminationdelimpulsiondallumagedesdtonateurs lectriques ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil19:Bestimmungdes ZndimpulseselektrischerZnder ThisEuropeanStandardwasapprovedbyCENon10November2003. CENmembersareboundtocomplywiththeCEN/CENEL

9、ECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthree

10、officialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,Fra

11、nce,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allri

12、ghtsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1376319:2003EEN1376319:2003(E) 2 Contents page Foreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Testpieces. .6 5 Apparatus .6 6 Procedure .7 7 Calculationoftestresults. 7 8 Testreport . .

13、7 AnnexA (informative) Rangeofapplicabilityofthetestmethod.8 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives 9EN1376319:2003(E) 3 Foreword Thisdocument(EN1376319:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil us

14、es“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbyt

15、heEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisinformative. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle Explosivesforci

16、vilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements EN137632 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes EN137635 Part5:Determin

17、ationofresistancetocuttingdamageofleadingwiresandshocktubes EN137636 Part6:Determinationofresistancetocrackinginlowtemperaturesofleadingwires EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures EN137638 Part8:Determinationoftheresistancetovibra

18、tionofplaindetonators EN137639 Part9:Determinationofresistancetobendingofdetonators EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure prEN1376313 Part13:Determinationofresistanceofelectricdetonatorsagains

19、telectrostaticdischarge prEN1376315 Part15:Determinationofequivalentinitiatingcapability EN1376316 Part16:Determinationofdelayaccuracy EN1376317 Part17:Determinationofnofirecurrentofelectricdetonators EN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators EN1376320 Part20:Determinat

20、ionoftotalelectricalresistanceofelectricdetonators EN1376321 Part21:DeterminationofflashovervoltageofelectricdetonatorsEN1376319:2003(E) 4 EN1376322 Part22:Determinationofcapacitance,insulationresistanceandinsulationbreakdownofleading wires EN1376323 Part23:Determinationoftheshockwavevelocityofshock

21、tube EN1376324 Part24:Determinationoftheelectricalnonconductivityofshocktube prEN 1376325 Part25:Determinationoftransfercapabilityofsurfaceconnectors,relaysandcoupling accessories prEN1376326 Part26:Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandr

22、elays CEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystems AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Gree

23、ce,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1376319:2003(E) 5 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingtheallfireimpulseandthenofireimpulseofelectric detonators. 2 Normativereferences ThisEurope

24、anStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincor

25、poratedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN138571, ExplosivesforcivilusesPart1:Terminology. prEN137631:2001, ExplosivesforcivilusesDetonatorsandrelaysPart1:Requirements. ENISO/IEC17025,Generalrequirementsforthecompe

26、tenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571andthefollowingapply. 3.1 thermaltimeconstant( Ct) ofthedetonatorisgivenbythefollowingformula: () 2 NF NF T I W C (1) where C T isthethermalti

27、meconstantinseconds(s) W NF isthenofireimpulsespecifiedbythemanufacturer,inA/s I NF isthenofirecurrentspecifiedbythemanufacturer,inA 3.2 allfireimpulse minimumelectricalenergyneededtofireallofthedetonatorsconnectedinseries,dividedbythetotalresistanceof thecompleteround 3.3 nofireimpulse maximumelect

28、ricalenergydividedbythetotalresistanceofthecompleteround,which,whendeliveredinashort time,causesnoneofthedetonatorstofire 3.4 PBBStest statisticalmethodusedtocharacterisethesensitivity,toaphysicalstimulus,of“oneshot“pyrotechnical componentsEN1376319:2003(E) 6 Theprincipleofthetestistomeasurethefirin

29、gfrequencyatpredefinedlevelsofthephysicalstimulus.The physicalstimulusinthisstandardisthefiringimpulse.Sensitivitylevelscorrespondingtotherequiredprobability andconfidencelimitsarethendeterminedbyextrapolation. AdetaileddescriptionofthetestisgiveninprEN137631. 4 Testpieces Dependingonthenumberofleve

30、lsofthePBBStest(seeannexCofprEN137631:2001),170to250detonators ofthesametypeareneeded(i.e.samebridgewireignitionsystem).Ifthedetonatorsformpartofaserieswith differentdelaytimes,selectdetonatorswithdelaytimesdistributedasevenlyaspossiblethroughouttheseries.In thecaseofmagneticallycoupleddetonators,wh

31、erecompletedetonatorsareused,thetransformercouplingunit shallberemovedbeforetesting. NOTE Fuseheadscanbeusedinsteadofcompletedetonators. 5Apparatus 5.1 Squarepulsecurrentsupply, withthefollowingcharacteristics: a)astabilizedcurrentwithatoleranceontheoutputof 1%ofthesetvalue(see6.3.2); b)asquarepulse

32、withatoleranceof 1%ofthesetduration(see6.3.1); c)acurrentovershootofnotmorethan10%ofthesetcurrentanddurationnotgreaterthan50 m s(onpure resistiveload); d)arisetimeforthecurrentofnotmorethan50 m s(onpureresistiveload). 5.2 Alternativeapparatus Alternatively,thefollowingapparatusmaybeused:acapacitor,a

33、nadjustabled.c.voltagegenerator,anadjustable resistorandafastnonarcingcurrentswitchwiththefollowingcharacteristics: a)acapacitance( C)withatolerancenotgreaterthan 5%ofthesetvalue; b)avoltagewithatolerancenotgreaterthan 1%ofthesetvalue; c)aresistance( R)withatolerancenotgreaterthan 1%ofthesetvalue. T

34、hetimeconstant( RC)ofthecircuit,whichiscalculatedastheproductof R,resistor,and C,capacitor,shallbe shorterthanonetenthofthethermaltimeconstantofthefusehead.Theresistanceofthecircuitshouldbevaried.EN1376319:2003(E) 7 6Procedure 6.1 Testtemperature Conditionthedetonatorsforatleast2hatatemperatureof(20

35、2)Candcarryoutthetestatthesame temperature. 6.2 Preliminarytest Carryoutapreliminarytest(forexampleaBrucetontest),using30detonators,toobtainanestimateofthepulse durationfor50%firing( t 50 )andthecorrespondingstandarddeviation( s 50 ).Toensurethatthepulsedurationsdo notexceedonethirdofthethermaltimec

36、onstant,thecurrentamplitudeshallbesettoavalueoftwotothreetimes theseriesfiringcurrentspecifiedbythemanufacturer. 6.3 Determination 6.3.1 Choose7to11levelsofpulsedurationcoveringthetimeinterval( t 50 2 s 50 ). 6.3.2 Connectthecurrentpulserecorderandsetthesquarepulsecurrenttoavalueoftwotothreetimesthe

37、 seriesfiringcurrentspecifiedbythemanufacturer. 6.3.3 Setthepulsedurationtothefirstlevel. 6.3.4 Connectonedetonatortothecircuitandapplythecurrentpulse. 6.3.5 Recordwhetherthedetonatorfires. 6.3.6 Repeatsteps6.3.4to6.3.5usingtheother19detonators. 6.3.7 Repeatsteps6.3.3to6.3.6foreachoftheotherpulsedur

38、ations. 7 Calculationoftestresults Foreachpulsedurationtested,determinethenumberoffirings. CalculatethenofireimpulseusingthemethoddescribedinannexCofprEN137631:2001.Theprobabilityand confidencelevelsaresetat0,01%and95%respectively. CalculatetheallfireimpulseusingthemethoddescribedinannexCofprEN13763

39、1:2001.Theprobabilityand confidencelevelsaresetat99,99%and95%respectively. 8 Testreport ThetestreportshallconformtoENISO/IEC17025.Inadditionthefollowinginformationshallbegiven: a)allfireimpulse; b)nofireimpulse; c)theimpulselevels,meanvalues,standarddeviations,numberofignitionsandnumberofnonignition

40、s.EN1376319:2003(E) 8 Annex A (informative) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityofthetestmethod:30Cto+80C.EN1376319:2003(E) 9 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives Thisdocumenthasbeenpreparedunderamanda

41、tegiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociationandsupportsessentialrequirementsofEUDirective93/15/EEC. Compliancewiththeclausesofthisstandardprovidesonemeansofconformingwiththespecificessential requirementsoftheDirectivesconcernedandassociatedEFTAregulations. WARNING:Otherrequ

42、irementsandotherEUDirectivesmaybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. TheclausesofthisdocumentarelikelytosupportrequirementsI.1,I.2,II.1.(a),andII.1.(i)oftheDirective 93/15/EEC.BS EN 13763-19:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BS

43、I is the independent national body responsible for preparing British Standards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter. Revisions British Standards are updated by amendment or revision. Users of British Standards should make sure that they possess the latest amendments or editions. It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standar