BS EN 13763-22-2003 Explosives for civil uses - Detonators and relays - Determination of capacitance insulation resistance and insulation breakdown of leading wires《民用爆炸物 雷管和传爆管 引线.pdf

1、Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIBRITISH STANDARD BS EN 13763-22:2003 Explosives for civil uses Detonators and relays Part 22: Determination of capacitance, insulation resistance and insulation breakdown of leading wir

2、es The European Standard EN 13763-22:2003 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 13763-22:2003 This British Standard, was published under the authority of the Standard

3、s Policy and Strategy Committee on 12 January 2004 BSI 12 January 2004 ISBN 0 580 43226 2 National foreword This British Standard is the official English language version of EN 13763-22:2003. The UK participation in its preparation was entrusted to Technical Committee CII/61, Explosives for civil us

4、es, 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 under t

5、he 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 applica

6、tion. 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 informed; moni

7、tor 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 10, an inside back cover and a back cover. The BSI copyright notice displayed in this document indicates whe

8、n the document was last issued. Amendments issued since publication Amd. No. Date Comments Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376322 December2003 ICS71.100.30 Englishvers

9、ion ExplosivesforcivilusesDetonatorsandrelaysPart22: Determinationofcapacitance,insulationresistanceand insulationbreakdownofleadingwires ExplosifsusagecivilDtonateursetrelaisPartie22: Dterminationdelacapacitlectrique,delarsistance disolationetdelarupturedisolationdesfilsdamorce Explosivstoffefrzivi

10、leZweckeZnderund VerzgerungselementeTeil22:Bestimmungder Kapazitt,desIsolationswiderstandesundder DurchschlagsspannungderZnderdrahtisolierung ThisEuropeanStandardwasapprovedbyCENon10November2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisE

11、urope an Standardthestatusofanationalstandardwithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlang

12、uagemadebytra nslation undertheresponsibilityofaCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,M

13、alta,Netherlands,Norway,Portugal,Slovakia,Spain,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforC

14、ENnationalMembers. Ref.No.EN1376322:2003E Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376322:2003(E) 2 Contents page Foreword3 Introduction .5 1 Scope 6 2 Normativereferences 6 3 Termsanddefinitions. .6 4 Reagent.6 5 Apparatus

15、 .6 6 Testpieces. .6 7 Procedure .7 8 Calculationofresults 7 9 Testreport . .8 AnnexA (informative) Rangeofapplicabilityofthetestmethod.9 AnnexZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives 10 Licensed Copy: Wang Bin, ISO/Exchange China

16、Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376322:2003(E) 3 Foreword Thisdocument(EN1376322:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofanationalstandard,eithe

17、rbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirementsofEUDirective(s).

18、ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisinformative. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Part1:Requirements EN1376

19、32 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes EN137635 Part5:Determinationofresistancetocuttingdamageofleadingwiresandshocktubes EN137636 Part6:Determinationofresistancetocrac

20、kinginlowtemperaturesofleadingwires EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures EN137638 Part8:Determinationoftheresistancetovibrationofplaindetonators EN137639 Part9:Determinationofresistancetobendingofdetonators EN1376311 Part11:Deter

21、minationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure prEN1376313 Part13:Determinationofresistanceofelectricdetonatorsagainstelectrostaticdischarge prEN1376315 Part15:Determinationofequivalentinitiatingcapability EN1376316 Part16:

22、Determinationofdelayaccuracy EN1376317 Part17:Determinationofnofirecurrentofelectricdetonators EN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators EN1376319 Part19:Determinationoffiringimpulseofelectricdetonators EN1376320 Part20:Determinationoftotalelectricalresistanceofelectric

23、detonators Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376322:2003(E) 4 EN1376321 Part21:Determinationofflashovervoltageofelectricdetonators EN1376323 Part23:Determinationoftheshockwavevelocityofshocktube EN1376324 Part24:Dete

24、rminationoftheelectricalnonconductivityofshocktube prEN 1376325 Part25:Determinationoftransfercapabilityofsurfaceconnectors,relaysandcoupling accessories prEN1376326 Part26:Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays CEN/TS1376327 Part27

25、:Definitions,methodsandrequirementsforelectronicinitiationsystems AccordingtotheCEN/CENELECInternalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland

26、,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUnitedKingdom. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376322:2003(E) 5 Introduction Duringblasting,electricdetonatorsareusuallyco

27、nnectedinseriesandoftenrequirehighvoltagestoensure correctinitiation.Detonatorscanalsobesubjectedtohighvoltagescausedbyelectrostaticchargingofthefiring circuitduringloading.Toassesstheabilityofdetonatorsandtheirleadingwirestowithstandthesevoltages, withoutmisfireorprematureinitiation,itisessential;

28、todeterminethevalueofappliedD.C.voltagewhichcausesflashoverinsidethedetonatorshell; todeterminethecapacitanceoftheleadingwirestoensurethattheycannotbechargedtoadangerouslevel; todeterminetheinsulationresistanceoftheleadingwires; tocheckthatthereisnobreakdownoftheleadingwireinsulationwhensubjectedtoh

29、ighvoltage. TheflashovervoltageisdeterminedinEN1376321. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376322:2003(E) 6 1Scope ThisEuropeanStandardspecifiesmethodsforthedeterminationofthecapacitance,insulationresistanceand insula

30、tionbreakdownofleadingwiresofelectricdetonators. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendme

31、ntstoorrevisionsofanyofthesepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN138571, ExplosivesforcivilusesPart1:Terminology. ENISO3696, Waterforanalyticallaboratoryuse

32、Specificationandtestmethods(ISO3696:1987). ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571apply. 4Reagent Conductivesolution, consistingofwater,

33、conformingtograde3ofENISO3696,and3%sodiumchloridewitha puritygreaterthan99%. 5Apparatus 5.1 Meterformeasuringcapacitance, accurateto1,0%. 5.2 Beaker,ofsuitablesizeandinanonconductivematerial. 5.3 Acopperelectrode 5.4 Temperaturecontrolledchamber, capableofmaintainingatemperatureof(202)Cfor24hand(40

34、2)Cfor2horhigherifclaimedbythemanufacturer. 5.5 Ahighvoltagegenerator, capableofmaintaining(500050)Vbetweenthetwistedendsoftheleading wireconductorandtheelectrode. 5.6 Voltmeter,capableofmeasuringintherangeof0kVto5kVandaccurateto1,5%. 5.7 Meter,capableofmeasuringinsulationresistanceupto100M W ,accur

35、ateto1,0%,andcapableofgivinga voltageof(50010)V. 6 Testpieces Select25lengthsofleadingwire,eachatleast1,5mlong,from25detonatorsofaspecifictypehavingthesame dimensions,leadingwireinsulationandconductormaterial. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, U

36、ncontrolled Copy, (c) BSIEN1376322:2003(E) 7 7Procedure 7.1 Determinationofcapacitance Markalengthof(1 0,05)montheinsulationofeachleadingwiresample. Cutthewireafewdecimetreslongerthanthemarkedlength. Foldthewireinthemiddletakingcarenottomakeasharpkinkintheinsulationatthemidpoint. Stripapproximatelyt

37、hreecentimetresofinsulationfromeachendofthewireandtwistthetwobareendsofthe conductortogether. Windthefoldedwireintoaloosecylindricalspiralandplaceitinsidethebeakersothatthetwistedbareendsofthe conductorareatthetopofthebeaker. Attachthetwistedbareendstothetopofthebeakerwithadhesivetape,sothattheyprot

38、rudeoutofthebeaker. Placethecopperelectrodeinthebeakerandfillthebeakerwiththeconductivesolutionsothatthewholewire spiralissubmergeduptothe1mmarksontheinsulationofthewire,makingsurethatthetwistedbareendsare abovetheliquidsurface. Storethewireinthesolutionforaperiodofatleast24h,inthetemperaturecontrol

39、ledchambermaintainedat (20 2)C. Removethebeakerfromthechamber.Connectthecapacitancemeterbetweenthetwistedbareconductorends andthecopperelectrode. RecordthecapacitanceinpicoFarads(pF). 7.2 Determinationofresistancetohighvoltage Withoutremovingthewirespiralfromthebeakerofconductivesolution,connecttheh

40、ighvoltagegenerator betweenthetwistedbareendsoftheconductorandthecopperelectrode. Applyavoltageof(500050)Vandmaintainitfor60s. Theleakagecurrentshallnotbegreaterthan0,1mA. Recordwhetherornottheinsulationbreaksdownduringthetest,asdemonstratedbyasuddendropintheapplied voltage. 7.3 Determinationofinsul

41、ationresistance Withoutremovingthewirespiralfromthebeakerofconductivesolution,storeitforaperiodof2hinthe temperaturecontrolledchambermaintainedat(40 2)Corhigherifclaimedbythemanufacturer. Connectthemeterbetweenthetwistedbareendsoftheconductorandthecopperelectrode. Applyavoltageof(50010)Vfor60s. Reco

42、rdtheinsulationresistanceinM W . 8 Calculationofresults Calculatethemeanvalueofthecapacitance, C,thestandarddeviation, s,andthevalueof( C+2,33 s). Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376322:2003(E) 8 9 Testreport Thete

43、streportshallconformtoENISO/IEC17025.Inaddition,thefollowinginformationshallbegiven: a)capacitanceasmeanvalueplus2,33timesthestandarddeviation; b)resistancetohighvoltageasthenumberofbreakdown(s); c)insulationresistanceasthelowestmeasuredvalue. Licensed Copy: Wang Bin, ISO/Exchange China Standards In

44、formation Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376322:2003(E) 9 Annex A (informative) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityofthetestmethod: 0Cto+80C. Licensed Copy: Wang Bin, ISO/Exchange China Standards Information Centre, 29 March 2004, Uncontrolled Copy, (c) BSIEN1376322:2003(E) 10 Annex ZA (informat