1、BRITISH STANDARD BS EN 13763-16:2003 Explosives for civil uses Detonators and relays Part 16: Determination of delay accuracy The European Standard EN 13763-16:2003 has the status of a British Standard ICS 71.100.30 BS EN 13763-16:2003 This British Standard was published under the authority of the S
2、tandards Policy and Strategy Committee on 12 January 2004 BSI 12 January 2004 ISBN 0 580 43222 X National foreword This British Standard is the official English language version of EN 13763-16:2003. The UK participation in its preparation was entrusted to Technical Committee CII/61, Explosives for c
3、ivil 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 found in the BSI Catalogue
4、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 responsible for its correct
5、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 the UK interests informe
6、d; 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 19 and a back cover. The BSI copyright notice displayed in this document indicates when the document
7、was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376316 December2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysPart16: Determinationofdelayaccuracy ExplosifsusagecivilDtonateursetrelaisPartie16: Dt
8、erminationdelaprcisionduretard ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil16:Bestimmungder Verzgerungsgenauigkeit ThisEuropeanStandardwasapprovedbyCENon10November2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an St
9、andardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebyt
10、ra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Nether
11、lands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalM
12、embers. Ref.No.EN1376316:2003EEN1376316:2003(E) 2 Contents page Foreword3 Introduction .5 1 Scope 6 2 Normativereferences 6 3 Termsanddefinitions. .6 4 Testpieces. .6 5 Apparatus .6 6 Procedure .7 7 Expressionofresults . .7 8 Testreport . .7 AnnexA (informative) Rangeofapplicabilityofthetestmethod.9
13、 AnnexB (normative) Calculationofresults . 10 AnnexC (informative) Guidancefortheoreticalverification 14 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives 19EN1376316:2003(E) 3 Foreword Thisdocument(EN1376316:2003)hasbeenpreparedbyTech
14、nicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2004. Thisdocu
15、menthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexesAandCareinformative.AnnexBisnormative. ThisEurope
16、anStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements EN137632 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofr
17、esistancetoabrasionofleadingwiresandshocktubes EN137635 Part5:Determinationofresistancetocuttingdamageofleadingwiresandshocktubes EN137636 Part6:Determinationofresistancetocrackinginlowtemperaturesofleadingwires EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections
18、, crimpsandclosures EN137638 Part8:Determinationoftheresistancetovibrationofplaindetonators EN137639 Part9:Determinationofresistancetobendingofdetonators EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure
19、prEN1376313 Part13:Determinationofresistanceofelectricdetonatorsagainstelectrostaticdischarge prEN1376315 Part15:Determinationofequivalentinitiatingcapability EN1376317 Part17:Determinationofnofirecurrentofelectricdetonators EN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators EN1
20、376319 Part19:Determinationoffiringimpulseofelectricdetonators EN1376320 Part20:Determinationoftotalelectricalresistanceofelectricdetonators EN1376321 Part21:DeterminationofflashovervoltageofelectricdetonatorsEN1376316:2003(E) 4 EN1376322 Part22:Determinationofcapacitance,insulationresistanceandinsu
21、lationbreakdownofleading wires EN1376323 Part23:Determinationoftheshockwavevelocityofshocktube EN1376324 Part24:Determinationoftheelectricalnonconductivityofshocktube prEN 1376325 Part25:Determinationoftransfercapabilityofsurfaceconnectors,relaysandcoupling accessories prEN1376326 Part26:Definitions
22、,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays CEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystems AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplem
23、entthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom.EN1376316:2003(E) 5 Introduction Duringblastingwork,detonatorsandsurfaceconnec
24、torswithdifferentdelaytimesareusedtoensurethatthe sequenceofinitiationoftheexplosivechargesisexecutedinacontrolledway. Thistestchecksthatthetime intervalbetweenadjacentnumbersinamanufacturersseriesofdelaytypedetonatorsandsurfaceconnectorslies withinspecifiedlimitsdesignedtoreducetheriskofoverlapping
25、.EN1376316:2003(E) 6 1Scope ThisEuropeanStandardspecifiesamethodfordeterminingthedelaytimeaccuracyofdetonatorsandsurface connectorswithpyrotechnicdelayelements.Itdoesnotapplytothosewithanelectronictimedelay. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfr
26、omotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelate
27、steditionofthe publicationreferredtoapplies(includingamendments). EN138571, ExplosivesforcivilusesPart1:Terminology. ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefini
28、tionsgiveninEN138571andthefollowingapply. 3.1 overlapping detonationoutofintendedsequence 3.2 outlier valueinaseriesofmeasuredvaluessignificantlyoutsidethenormaldistributionoftheseriesandcausing significantoverlappingprobabilitytoadjacentintervalnumbers 4 Testpieces Select30detonatorsorsurfaceconnec
29、torsofeachintervalnumber(i.e.nominaldelaytimestatedbythe manufacturer)fromaspecifictype,havingthesamechemicalcomposition,charge,dimensionsandmaterialof construction.Fornonelectrictypes,thelengthofshocktubeattachedtothedetonator/surfaceconnectorduring thetestshallbespecifiedbythemanufacturer. Thedeto
30、natorstobetestedshallhaveanageofbetweentwoweeksandfourmonthsafterthedateofproduction. 5Apparatus 5.1 forelectricdetonators,apowersourceabletoproduceacontinuouscurrent( i)inaccordancewiththe manufacturersspecificationandwithini s i 2i s ( i s istheseriesfiringcurrentforthetypeofdetonatorin question)w
31、ithanaccuracyof 1,0%. 5.2 fornonelectricdetonators/surfaceconnectors ,aninitiatingdeviceforinitiatingshocktubes(percussion cap,sparkorinitiatingdetonatorprovidingthattheshocktubeandmeasuringequipmentareprotectedagainst fragmentsfromthedetonator). 5.3 timeroroscilloscope tomeasurethedelaytimebetweent
32、hestartpulseandthestoppulsewithanaccuracy of0,1ms. 5.4 meansforprovidingastartpulsetothetimer/oscilloscopeconsistingforexampleof:EN1376316:2003(E) 7 a)forelectricdetonators,anelectrictriggeringcircuitcapableofprovidinganelectricpulseatthetimewhenthe ignitioncurrentisapplied;or b)fornonelectricdetona
33、tors/surfaceconnectors,anopticalsensororpressuresensorcapableofprovidingan electricpulsewhentheshockwaveoftheshocktubepassesthesensor. 5.5 meansforprovidingastoppulsetothetimer/oscilloscopeconsistingforexampleofanopticalsensoror pressuresensorcapableofprovidinganelectricpulsewhenthebasecharge(second
34、arycharge)ofthe detonator/surfaceconnectorisinitiated. 5.6conditioningchamber, capableofmaintainingatemperatureintherange15Cto30Cwithin2C. 6Procedure 6.1Conditioning Conditionthedetonatorsorsurfaceconnectorsintheconditioningchamber(see5.6)foratleast2hpriorto testing,within 2Cofatemperature specified
35、bythemanufacturerintherange15Cto30C.Inthecaseof magneticallycoupleddetonators,thetransformercouplingunitshallberemovedbeforetesting. 6.2 Determination Thetestshallbecarriedoutwithin 2Coftheconditioningtemperature. Connectthedetonatorsorsurfaceconnectorstotheapparatus(see5.4).Fornonelectricdetonators
36、orsurface connectors,installtheopticalstartpulsesensorattheshocktube,atadistancespecifiedbythemanufacturer,but atleast1000mmfromtheinitiationpointattheendoftheshocktube(ifnecessaryafterremovingtheend sealing).Insertthedetonatorsorsurfaceconnectorsintheapparatus(see5.5)soastoobtainastoppulsefrom theo
37、pticalsensororpressuresensorwhenthebasecharge(secondarycharge)ofthedetonatororsurface connectorisinitiated. Initiatethedetonatorsorsurfaceconnectorsandrecordtheindividualdelaytimesandthenumberofmisfires. 7 Expressionofresults CalculatetheresultsofthetestsaccordingtoB.1toB.5. NOTE B.6canoptionallybeu
38、sedtopresenttheresultsinB.1andB.4graphically. 8 Testreport ThetestreportshallconformtoENISO/IEC17025.Inaddition,thefollowinginformationshallbegiven: a)meanvalueofthedelaytimes k t (inms)andthestandarddeviation k s foreachintervalnumber(accordingto B.1); b)numberofmisfires; c)numberof”outlier”valuesf
39、oreachintervalnumber(accordingtoB.3); d)exceptforsurfaceconnectors,the cfactor( c k )ofeachintervalnumber(accordingtoB.4); e)forsurfaceconnectorsandnonelectricdetonatorsintendedtobecombinedwithsurfaceconnectors,themean deviationfromnominaldelaytime( r k )ofeachintervalnumber(accordingtoB.5);EN137631
40、6:2003(E) 8 f)forsurfaceconnectorsandnonelectricdetonatorsintendedtobecombinedwithsurfaceconnectors,the maximumdeviationfromthenominaldelaytime r k,max foreachintervalnumber k,specifiedbythemanufacturer (indicatedinthemanufacturersusermanual); g)nominaldelaytime k nom t , foreachintervalnumber k,spe
41、cifiedbythemanufacturer(indicatedinthe manufacturersusermanual); h)appliedconditioningtemperatureduringthetests.EN1376316:2003(E) 9 Annex A (informative) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityofthetestmethod: 30Cto+80C(seeNOTE) NOTE Duetothenatureofpyrotechnics,theresultsofthedelay
42、timetestingwillvarywithtemperature.Fromthe experiencefromformernationalstandards,testingisonlycarriedoutatonedefinedtemperature,usually+20C.Howeverif differentpyrotechnicchargesareusedinadjacentintervalnumbers,propermeasuresshouldbetakeninordertoensurethat thepossibledifferencesintemperaturedependen
43、cyofthesechargeswillnotcauseasignificantprobabilityofoverlappingat highorlowtemperatures.EN1376316:2003(E) 10 Annex B (normative) Calculationofresults B.1 Calculationofmeandelaytime k t (inms)andstandarddeviation k s ; Calculateforeachintervalnumberkthemeandelaytime k t (inms)andstandarddeviation k s (inms)accordingto equationB.1andB.2below: 1 1 = = k n i ik k k t n t (B.1) where: n k isthenumberoftesteddetonatorsorsurfaceconnectorsforintervalnumberk. t ik istheindividualdela
