EN 13763-22-2003 en Explosives for civil uses Detonators and relays Part 22 Determination of capacitance insulation resistance and insulation breakdown of leading wires《民用爆炸物 雷管和继电.pdf

1、BRITISH 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 wires The European Standard EN 13763-22:2003 has the status of a British Standard ICS 71.100.30 BS EN 13763-22:2003 Th

2、is British Standard, was published under the authority of the Standards 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 preparatio

3、n was entrusted to Technical Committee 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

4、referred to in this document may be found 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 p

5、rovisions of a contract. Users are responsible 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 interpretat

6、ion, or proposals for change, and keep 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 10, an inside back cover and a back co

7、ver. The BSI copyright notice displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsEUROPEANSTANDARD NORMEEUROPENNE EUROPISCHENORM EN1376322 December2003 ICS71.100.30 Englishversion ExplosivesforcivilusesDetonatorsandrelaysP

8、art22: Determinationofcapacitance,insulationresistanceand insulationbreakdownofleadingwires ExplosifsusagecivilDtonateursetrelaisPartie22: Dterminationdelacapacitlectrique,delarsistance disolationetdelarupturedisolationdesfilsdamorce ExplosivstoffefrzivileZweckeZnderund VerzgerungselementeTeil22:Bes

9、timmungder Kapazitt,desIsolationswiderstandesundder DurchschlagsspannungderZnderdrahtisolierung ThisEuropeanStandardwasapprovedbyCENon10November2003. CENmembersareboundtocomplywiththeCEN/CENELECInternalRegulationswhichstipulatetheconditionsforgivingthisEurope an Standardthestatusofanationalstandardw

10、ithoutanyalteration.Uptodatelistsandbibliographicalreferencesconcernings uchnational standardsmaybeobtainedonapplicationtotheManagementCentreortoanyCENmember. ThisEuropeanStandardexistsinthreeofficialversions(English,French,German).Aversioninanyotherlanguagemadebytra nslation undertheresponsibilityo

11、faCENmemberintoitsownlanguageandnotifiedtotheManagementCentrehasthesamestatusasthe official versions. CENmembersarethenationalstandardsbodiesofAustria,Belgium,CzechRepublic,Denmark,Finland,France,Germany,Greece, Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal,Slovakia,Spai

12、n,Sweden,SwitzerlandandUn ited Kingdom. EUROPEANCOMMITTEEFORSTANDARDIZATION COMITEUROPENDENORMALISATION EUROPISCHESKOMITEEFRNORMUNG ManagementCentre:ruedeStassart,36B1050Brussels 2003CEN Allrightsofexploitationinanyformandbyanymeansreserved worldwideforCENnationalMembers. Ref.No.EN1376322:2003EEN137

13、6322:2003(E) 2 Contents page Foreword3 Introduction .5 1 Scope 6 2 Normativereferences 6 3 Termsanddefinitions. .6 4 Reagent.6 5 Apparatus .6 6 Testpieces. .6 7 Procedure .7 8 Calculationofresults 7 9 Testreport . .8 AnnexA (informative) Rangeofapplicabilityofthetestmethod.9 AnnexZA (informative) Cl

14、ausesofthisEuropeanStandardaddressingessentialrequirementsorother provisionsofEUDirectives 10EN1376322:2003(E) 3 Foreword Thisdocument(EN1376322:2003)hasbeenpreparedbyTechnicalCommitteeCEN/TC321“Explosivesforcivil uses“,thesecretariatofwhichisheldbyAENOR. ThisEuropeanStandardshallbegiventhestatusofa

15、nationalstandard,eitherbypublicationofanidenticaltextor byendorsement,atthelatestbyJune2004,andconflictingnationalstandardsshallbewithdrawnatthelatestby June2004. ThisdocumenthasbeenpreparedunderamandategiventoCENbytheEuropeanCommissionandtheEuropean FreeTradeAssociation,andsupportsessentialrequirem

16、entsofEUDirective(s). ForrelationshipwithEUDirective(s),seeinformativeannexZA,whichisanintegralpartofthisdocument. AnnexAisinformative. ThisEuropeanStandardisoneofaseriesofstandardswiththegenerictitle ExplosivesforcivilusesDetonators andrelays. Theotherpartsofthisseriesarelistedbelow: prEN137631 Par

17、t1:Requirements EN137632 Part2:Determinationofthermalstability EN137633 Part3:Determinationofsensitivenesstoimpact EN137634 Part4:Determinationofresistancetoabrasionofleadingwiresandshocktubes EN137635 Part5:Determinationofresistancetocuttingdamageofleadingwiresandshocktubes EN137636 Part6:Determina

18、tionofresistancetocrackinginlowtemperaturesofleadingwires EN137637 Part7:Determinationofthemechanicalstrengthofleadingwires,shocktubes,connections, crimpsandclosures EN137638 Part8:Determinationoftheresistancetovibrationofplaindetonators EN137639 Part9:Determinationofresistancetobendingofdetonators

19、EN1376311 Part11:Determinationofresistancetodamagebydroppingofdetonatorsandrelays EN1376312 Part12:Determinationofresistancetohydrostaticpressure prEN1376313 Part13:Determinationofresistanceofelectricdetonatorsagainstelectrostaticdischarge prEN1376315 Part15:Determinationofequivalentinitiatingcapabi

20、lity EN1376316 Part16:Determinationofdelayaccuracy EN1376317 Part17:Determinationofnofirecurrentofelectricdetonators EN1376318 Part18:Determinationofseriesfiringcurrentofelectricdetonators EN1376319 Part19:Determinationoffiringimpulseofelectricdetonators EN1376320 Part20:Determinationoftotalelectric

21、alresistanceofelectricdetonatorsEN1376322:2003(E) 4 EN1376321 Part21:Determinationofflashovervoltageofelectricdetonators EN1376323 Part23:Determinationoftheshockwavevelocityofshocktube EN1376324 Part24:Determinationoftheelectricalnonconductivityofshocktube prEN 1376325 Part25:Determinationoftransfer

22、capabilityofsurfaceconnectors,relaysandcoupling accessories prEN1376326 Part26:Definitions,methodsandrequirementsfordevicesandaccessoriesforreliableandsafe functionofdetonatorsandrelays CEN/TS1376327 Part27:Definitions,methodsandrequirementsforelectronicinitiationsystems AccordingtotheCEN/CENELECInt

23、ernalRegulations,thenationalstandardsorganizationsofthefollowing countriesareboundtoimplementthisEuropeanStandard:Austria,Belgium,CzechRepublic,Denmark,Finland, France,Germany,Greece,Hungary,Iceland,Ireland,Italy,Luxembourg,Malta,Netherlands,Norway,Portugal, Slovakia,Spain,Sweden,SwitzerlandandtheUn

24、itedKingdom.EN1376322:2003(E) 5 Introduction Duringblasting,electricdetonatorsareusuallyconnectedinseriesandoftenrequirehighvoltagestoensure correctinitiation.Detonatorscanalsobesubjectedtohighvoltagescausedbyelectrostaticchargingofthefiring circuitduringloading.Toassesstheabilityofdetonatorsandthei

25、rleadingwirestowithstandthesevoltages, withoutmisfireorprematureinitiation,itisessential; todeterminethevalueofappliedD.C.voltagewhichcausesflashoverinsidethedetonatorshell; todeterminethecapacitanceoftheleadingwirestoensurethattheycannotbechargedtoadangerouslevel; todeterminetheinsulationresistance

26、oftheleadingwires; tocheckthatthereisnobreakdownoftheleadingwireinsulationwhensubjectedtohighvoltage. TheflashovervoltageisdeterminedinEN1376321.EN1376322:2003(E) 6 1Scope ThisEuropeanStandardspecifiesmethodsforthedeterminationofthecapacitance,insulationresistanceand insulationbreakdownofleadingwire

27、sofelectricdetonators. 2 Normativereferences ThisEuropeanStandardincorporatesbydatedorundatedreference,provisionsfromotherpublications.These normativereferencesarecitedattheappropriateplacesinthetext,andthepublicationsarelistedhereafter.For datedreferences,subsequentamendmentstoorrevisionsofanyofthe

28、sepublicationsapplytothisEuropean Standardonlywhenincorporatedinitbyamendmentorrevision.Forundatedreferencesthelatesteditionofthe publicationreferredtoapplies(includingamendments). EN138571, ExplosivesforcivilusesPart1:Terminology. ENISO3696, WaterforanalyticallaboratoryuseSpecificationandtestmethod

29、s(ISO3696:1987). ENISO/IEC17025,Generalrequirementsforthecompetenceoftestingandcalibrationlaboratories(ISO/IEC 17025:1999). 3 Termsanddefinitions ForthepurposesofthisEuropeanStandard,thetermsanddefinitionsgiveninEN138571apply. 4Reagent Conductivesolution, consistingofwater,conformingtograde3ofENISO3

30、696,and3%sodiumchloridewitha puritygreaterthan99%. 5Apparatus 5.1 Meterformeasuringcapacitance, accurateto1,0%. 5.2 Beaker,ofsuitablesizeandinanonconductivematerial. 5.3 Acopperelectrode 5.4 Temperaturecontrolledchamber, capableofmaintainingatemperatureof(202)Cfor24hand(40 2)Cfor2horhigherifclaimedb

31、ythemanufacturer. 5.5 Ahighvoltagegenerator, capableofmaintaining(500050)Vbetweenthetwistedendsoftheleading wireconductorandtheelectrode. 5.6 Voltmeter,capableofmeasuringintherangeof0kVto5kVandaccurateto1,5%. 5.7 Meter,capableofmeasuringinsulationresistanceupto100M W ,accurateto1,0%,andcapableofgivi

32、nga voltageof(50010)V. 6 Testpieces Select25lengthsofleadingwire,eachatleast1,5mlong,from25detonatorsofaspecifictypehavingthesame dimensions,leadingwireinsulationandconductormaterial.EN1376322:2003(E) 7 7Procedure 7.1 Determinationofcapacitance Markalengthof(1 0,05)montheinsulationofeachleadingwires

33、ample. Cutthewireafewdecimetreslongerthanthemarkedlength. Foldthewireinthemiddletakingcarenottomakeasharpkinkintheinsulationatthemidpoint. Stripapproximatelythreecentimetresofinsulationfromeachendofthewireandtwistthetwobareendsofthe conductortogether. Windthefoldedwireintoaloosecylindricalspiralandp

34、laceitinsidethebeakersothatthetwistedbareendsofthe conductorareatthetopofthebeaker. Attachthetwistedbareendstothetopofthebeakerwithadhesivetape,sothattheyprotrudeoutofthebeaker. Placethecopperelectrodeinthebeakerandfillthebeakerwiththeconductivesolutionsothatthewholewire spiralissubmergeduptothe1mma

35、rksontheinsulationofthewire,makingsurethatthetwistedbareendsare abovetheliquidsurface. Storethewireinthesolutionforaperiodofatleast24h,inthetemperaturecontrolledchambermaintainedat (20 2)C. Removethebeakerfromthechamber.Connectthecapacitancemeterbetweenthetwistedbareconductorends andthecopperelectro

36、de. RecordthecapacitanceinpicoFarads(pF). 7.2 Determinationofresistancetohighvoltage Withoutremovingthewirespiralfromthebeakerofconductivesolution,connectthehighvoltagegenerator betweenthetwistedbareendsoftheconductorandthecopperelectrode. Applyavoltageof(500050)Vandmaintainitfor60s. Theleakagecurre

37、ntshallnotbegreaterthan0,1mA. Recordwhetherornottheinsulationbreaksdownduringthetest,asdemonstratedbyasuddendropintheapplied voltage. 7.3 Determinationofinsulationresistance Withoutremovingthewirespiralfromthebeakerofconductivesolution,storeitforaperiodof2hinthe temperaturecontrolledchambermaintaine

38、dat(40 2)Corhigherifclaimedbythemanufacturer. Connectthemeterbetweenthetwistedbareendsoftheconductorandthecopperelectrode. Applyavoltageof(50010)Vfor60s. RecordtheinsulationresistanceinM W . 8 Calculationofresults Calculatethemeanvalueofthecapacitance, C,thestandarddeviation, s,andthevalueof( C+2,33

39、 s).EN1376322:2003(E) 8 9 Testreport ThetestreportshallconformtoENISO/IEC17025.Inaddition,thefollowinginformationshallbegiven: a)capacitanceasmeanvalueplus2,33timesthestandarddeviation; b)resistancetohighvoltageasthenumberofbreakdown(s); c)insulationresistanceasthelowestmeasuredvalue.EN1376322:2003(

40、E) 9 Annex A (informative) Rangeofapplicabilityofthetestmethod Rangeofapplicabilityofthetestmethod: 0Cto+80C.EN1376322:2003(E) 10 Annex ZA (informative) ClausesofthisEuropeanStandardaddressingessentialrequirementsor otherprovisionsofEUDirectives ThisdocumenthasbeenpreparedunderamandategiventoCENbyth

41、eEuropeanCommissionandtheEuropean FreeTradeAssociationandsupportsessentialrequirementsofEUDirective93/15/EEC. Compliancewiththisstandardprovidesonemeansofconformingwiththespecificessentialrequirementsofthe DirectivesconcernedandassociatedEFTAregulations. WARNING:OtherrequirementsandotherEUDirectives

42、maybeapplicabletotheproduct(s)fallingwithinthe scopeofthisstandard. TheclausesofthisdocumentarelikelytosupportrequirementsI.1,I.2,II.1.(i)andII.2.C.(f)ofDirective93/15/EEC.blankBS EN 13763-22:2003 BSI 389 Chiswick High Road London W4 4AL BSI British Standards Institution BSI is the independent natio

43、nal 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 Standard would inform the Secretary