1、Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIBRITISH 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 13763-19:20
2、03 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 13763-19:2003 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 12 Ja
3、nuary 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 CII/61, Explosives for civil uses, which has the responsibility to: A l
4、ist 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 Stand
5、ards 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 Standard
6、 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 European d
7、evelopments 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 publica
8、tion Amd. No. Date Comments Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376319 December2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart19: Determinat
9、ionoffiringimpulseofelectricdetonators ExplosifsusagecivilDtonateursetrelaisPartie19: Dterminationdelimpulsiondallumagedesdtonateurs lectriques ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil19:Bestimmungdes ZndimpulseselektrischerZnder ThisEuropeanStandardwasapprovedbyCENon10November20
10、03. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoa
11、nyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAus
12、tria,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 ManagementCent
13、re:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1376319:2003E Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376319:2003(E) 2 Contents page F
14、oreword3 1 Scope 5 2 Normativereferences 5 3 Termsanddefinitions. .5 4 Testpieces. .6 5 Apparatus .6 6 Procedure .7 7 Calculationoftestresults. 7 8 Testreport . .7 AnnexA (informative) Rangeofapplicabilityofthetestmethod.8 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequire
15、mentsorother provisionsofEUDirectives 9 Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376319:2003(E) 3 Foreword Thisdocument(EN1376319:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatofwh
16、ichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionan
17、dtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisinformative. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andr
18、elays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements EN137632 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes EN137635 Part5:Determinationofresistancetocut
19、tingdamageofleadingwiresandshocktubes EN137636 Part6:Determinationofresistancetocrackinginlowtemperaturesofleadingwires EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures EN137638 Part8:Determinationoftheresistancetovibrationofplaindetonators
20、EN137639 Part9:Determinationofresistancetobendingofdetonators EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure prEN1376313 Part13:Determinationofresistanceofelectricdetonatorsagainstelectrostaticdischarg
21、e prEN1376315 Part15:Determinationofequivalentinitiatingcapability EN1376316 Part16:Determinationofdelayaccuracy EN1376317 Part17:Determinationofnofirecurrentofelectricdetonators EN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators EN1376320 Part20:Determinationoftotalelectricalre
22、sistanceofelectricdetonators EN1376321 Part21:Determinationofflashovervoltageofelectricdetonators Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376319:2003(E) 4 EN1376322 Part22:Determinationofcapacitance,insulationresistanceand
23、insulationbreakdownofleading wires EN1376323 Part23:Determinationoftheshockwavevelocityofshocktube EN1376324 Part24:Determinationoftheelectricalnonconductivityofshocktube prEN 1376325 Part25:Determinationoftransfercapabilityofsurfaceconnectors,relaysandcoupling accessories prEN1376326 Part26:Definit
24、ions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays CEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystems AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoim
25、plementthisEuropeanStandard: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) BSIEN1376319:2003(E) 5 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingtheallfireimpulseandthenofireimpulseofelectric detonators. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These norm
27、ativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationrefe
28、rredtoapplies(includingamendments). EN138571, ExplosivesforcivilusesPart1:Terminology. prEN137631:2001, ExplosivesforcivilusesDetonatorsandrelaysPart1:Requirements. ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). 3 Termsanddefinitions Forthe
29、purposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571andthefollowingapply. 3.1 thermaltimeconstant( Ct) ofthedetonatorisgivenbythefollowingformula: () 2 NF NF T I W C (1) where C T isthethermaltimeconstantinseconds(s) W NF isthenofireimpulsespecifiedbythemanufacturer,inA/s I NF isthen
30、ofirecurrentspecifiedbythemanufacturer,inA 3.2 allfireimpulse minimumelectricalenergyneededtofireallofthedetonatorsconnectedinseries,dividedbythetotalresistanceof thecompleteround 3.3 nofireimpulse maximumelectricalenergydividedbythetotalresistanceofthecompleteround,which,whendeliveredinashort time,
31、causesnoneofthedetonatorstofire 3.4 PBBStest statisticalmethodusedtocharacterisethesensitivity,toaphysicalstimulus,of“oneshot“pyrotechnical components Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376319:2003(E) 6 Theprincipleof
32、thetestistomeasurethefiringfrequencyatpredefinedlevelsofthephysicalstimulus.The physicalstimulusinthisstandardisthefiringimpulse.Sensitivitylevelscorrespondingtotherequiredprobability andconfidencelimitsarethendeterminedbyextrapolation. AdetaileddescriptionofthetestisgiveninprEN137631. 4 Testpieces
33、DependingonthenumberoflevelsofthePBBStest(seeannexCofprEN137631:2001),170to250detonators ofthesametypeareneeded(i.e.samebridgewireignitionsystem).Ifthedetonatorsformpartofaserieswith differentdelaytimes,selectdetonatorswithdelaytimesdistributedasevenlyaspossiblethroughouttheseries.In thecaseofmagnet
34、icallycoupleddetonators,wherecompletedetonatorsareused,thetransformercouplingunit shallberemovedbeforetesting. NOTE Fuseheadscanbeusedinsteadofcompletedetonators. 5Apparatus 5.1 Squarepulsecurrentsupply, withthefollowingcharacteristics: a)astabilizedcurrentwithatoleranceontheoutputof 1%ofthesetvalue
35、(see6.3.2); b)asquarepulsewithatoleranceof 1%ofthesetduration(see6.3.1); c)acurrentovershootofnotmorethan10%ofthesetcurrentanddurationnotgreaterthan50 m s(onpure resistiveload); d)arisetimeforthecurrentofnotmorethan50 m s(onpureresistiveload). 5.2 Alternativeapparatus Alternatively,thefollowingappar
36、atusmaybeused:acapacitor,anadjustabled.c.voltagegenerator,anadjustable resistorandafastnonarcingcurrentswitchwiththefollowingcharacteristics: a)acapacitance( C)withatolerancenotgreaterthan 5%ofthesetvalue; b)avoltagewithatolerancenotgreaterthan 1%ofthesetvalue; c)aresistance( R)withatolerancenotgrea
37、terthan 1%ofthesetvalue. Thetimeconstant( RC)ofthecircuit,whichiscalculatedastheproductof R,resistor,and C,capacitor,shallbe shorterthanonetenthofthethermaltimeconstantofthefusehead.Theresistanceofthecircuitshouldbevaried. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29
38、March 2004, Uncontrolled Copy, (c) BSIEN1376319:2003(E) 7 6Procedure 6.1 Testtemperature Conditionthedetonatorsforatleast2hatatemperatureof(202)Candcarryoutthetestatthesame temperature. 6.2 Preliminarytest Carryoutapreliminarytest(forexampleaBrucetontest),using30detonators,toobtainanestimateofthepul
39、se durationfor50%firing( t 50 )andthecorrespondingstandarddeviation( s 50 ).Toensurethatthepulsedurationsdo notexceedonethirdofthethermaltimeconstant,thecurrentamplitudeshallbesettoavalueoftwotothreetimes theseriesfiringcurrentspecifiedbythemanufacturer. 6.3 Determination 6.3.1 Choose7to11levelsofpu
40、lsedurationcoveringthetimeinterval( t 50 2 s 50 ). 6.3.2 Connectthecurrentpulserecorderandsetthesquarepulsecurrenttoavalueoftwotothreetimesthe seriesfiringcurrentspecifiedbythemanufacturer. 6.3.3 Setthepulsedurationtothefirstlevel. 6.3.4 Connectonedetonatortothecircuitandapplythecurrentpulse. 6.3.5
41、Recordwhetherthedetonatorfires. 6.3.6 Repeatsteps6.3.4to6.3.5usingtheother19detonators. 6.3.7 Repeatsteps6.3.3to6.3.6foreachoftheotherpulsedurations. 7 Calculationoftestresults Foreachpulsedurationtested,determinethenumberoffirings. CalculatethenofireimpulseusingthemethoddescribedinannexCofprEN13763
42、1:2001.Theprobabilityand confidencelevelsaresetat0,01%and95%respectively. CalculatetheallfireimpulseusingthemethoddescribedinannexCofprEN137631:2001.Theprobabilityand confidencelevelsaresetat99,99%and95%respectively. 8 Testreport ThetestreportshallconformtoENISO/IEC17025.Inadditionthefollowinginform
43、ationshallbegiven: a)allfireimpulse; b)nofireimpulse; c)theimpulselevels,meanvalues,standarddeviations,numberofignitionsandnumberofnonignitions. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376319:2003(E) 8 Annex A (informative
44、) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityofthetestmethod:30Cto+80C. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376319:2003(E) 9 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirec
