用水分子质谱仪进行电容器真空浸渍过程终点判断的研究-豆柴文库

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用水分子质谱仪进行电容器真空浸渍过程终点判断的研究
Abstract:
Thispaperexplorestheuseofwatermoleculemassspectrometrytodeterminetheendpointofvacuumimpregnationincapacitors.Theexperimentshowedthatwatermoleculemassspectrometrycanaccuratelyandquantitativelyanalyzetheresidualwatercontentinthevacuumimpregnationprocessofcapacitorsandaccuratelydeterminetheendpointoftheimpregnationprocess.Thisstudyprovidesanewmethodforthemeasurementofvacuumimpregnationandprovidesguidancefortheproductionofcapacitors.
Introduction:
Vacuumimpregnationisacrucialprocessintheproductionofcapacitorsandreferstothemethodofimmersingcapacitorsinliquiddielectricsunderreducedpressuretoreplacetrappedairandadddielectricfluid.Crucially,achievingtherequiredvacuumandprecisefillingendpointisachallengeinvacuumimpregnation.Iftheimpregnationprocessisinsufficient,theinternalvoidsofthecapacitormaycontainair,resultinginpoorelectricalperformanceandlong-termreliabilityissues.Iftheimpregnationprocessisexcessive,itmaycauseadielectricfluidleakageanddamagethedevice.Thus,itisessentialtodeterminetheendpointoftheimpregnationprocessaccurately.
Massspectrometryisapowerfulanalyticaltechniqueapplicableinthefieldofchemicalanalysis,molecularelementalcompositiondetermination,andtracecompoundanalysis.TheWaterMoleculeMassSpectrometryisamethodthatusesanexplosioninavacuumtoproduceanddetectwaterions,allowingidentificationofthepresenceofwaterinthesample.
ThispaperwillexploretheWaterMoleculeMassSpectrometrytodeterminetheendpointofvacuumimpregnationincapacitors.Thefollowingwillincludetheexperimentaldesign,results,andconclusion.
Experimentaldesign:
Capacitorsampleswereusedtoconducttheexperiment.Twogroupsofsampleswereprepared.Bothgroupswereplacedinavacuumfurnaceandprocessedtoavacuumof100Pa.OnegroupwouldbeimmersedandimpregnatedwithSylgard184siliconeresinundervacuum,whiletheothergroupremainedinthevacuumfurnace.TheexperimentwascarriedoutontheSigma6-1TCavityClusterWaterMassSpectrometer.
Theendpointoftheimpregnationprocesswasmonitoredbythenumberofwatermoleculesdetectedinsi