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ElectrostaticHazardPredictionofBridgeWireElectroExplosiveDeviceBasedontheCircuitSimulation
1
2
1
YUHongyuan,YAN Nan,CHEN Shuxiao ,WANG Hongbo 1
(1.MilitaryOperationsResearchCenter,ShijiazhuangArmyCommandCollege,Shijiazhuang050084,China;2.StateKeyLaboratoryofExplosionScienceand
Technology,BeijingInstituteofTechnology,Beijing100081,China)
Abstract:Theresponseregulationsofelectrostaticdischarge(ESD)conditionsforfiringdevicematerialsofanelectricexplosive
device(EED)anditsdamagesunderanelectrostaticenvironmentwerestudied.TheESD processfordischargemodelsunderdif
ferenthighstaticvoltageconditionswassimulatedandanalyzedbytheESD modelsfrom InstituteofElectricalandElectronicEngi
neers(IEEE)standardandSandialaboratorystandard.Energyvaluesproducedbydischargeweredeterminedandcomparedand
analyzedwiththoseofphysicalform transformationpropertyoffiringmaterialsinatypicalEED.ThedamagesituationofESD toa
typicalEED waspredicted.Resultsshow thatpeakdischargecurrentincreaseswithincreasingtheinitialelectrostaticvoltage,while
theotherparametersofcurrentwaveform unchanges.ForatypicalfiringdeviceconsistingofNiCrbridgewirewithadiameterof
40μ m andleadstyphnat,thetemperatureinbridgewirecanreachthemeltingpointoftinsolder,decompositionandignition
pointsofexplosiveattheinitialvoltageof20kV,makingbridgewirefuseat40kVinIEEEstandard.ESD model;whileinSandia
laboratorystandardESD model,thetemperatureinbridgewirecanreachthemeltingpointoftinsolderat20kV,decomposition
andignitionpointsofexplosiveat25kVandmeltingpointofbridgewireat50kV.
Keywords:electrostaticdischarge(ESD)circuitmodel;circuitsimulation;damagesofEEDs
CLCnumber:TJ450.1 Documentcode:A DOI:10.11943/j.issn.10069941.2015.07.014
CHINESEJOURNALOFENERGETICMATERIALS !"#$ 2015% & 23' & 7( (682-687)