火工品INITIATORS&PYROTECHNICS文章编号：1003-1480（2023）01-0001-05PCB平面三电极空气火花隙开关导通特性试验研究曹兴，韩克华，杨康，郭凯，吴琴钟，马红（陕西应用物理化学研究所，陕西西安，710061）摘要：针对平面三电极空气火花隙开关的稳定性、响应时间等动态性能问题，设计了阴极与阳极间隙为1.6，1.8，2.0，2.2，2.4mm的5种PCB平面三电极空气火花隙开关，分别对开关的最小击穿电压、导通性能的变化规律和放电寿命进行了试验研究。试验结果表明：PCB平面三电极空气火花隙开关的最小击穿电压随着导通次数、阴极与阳极间隙的增加而增大；在高压电容器充电电压、触发端的脉冲电压一致的条件下，相同参数开关的响应时间随着导通次数的增加而增大；在其他条件不变的情况下，开关阴极与阳极间隙越大，开关的放电寿命越长。关键词：PCB平面三电极；空气火花隙开关；最小击穿电压；响应时间；放电寿命中图分类号：TJ450.2文献标识码：ADOI：10.3969/j.issn.1003-1480.2023.01.001ExperimentalStudyonConductionCharacteristicsofPCBPlanarThreeElectrodeAirSparkGapSwitchCAOXing,HANKe-hua,YANGKang,GUOKai,WUQin-zhong,MAHong(ShaanxiAppliedPhysicsandChemistryResearchInstitute,Xi’an,710061)Abstract：Aimingatthestability,responsetimeandotherdynamicperformanceproblemsofplanarthreeelectrodeairsparkgapswitch,fivePCBplanarthreeelectrodeairsparkgapswitcheswithgapsbetweencathodeandanodeof1.6mm,1.8mm,2.0mm,2.2mmand2.4mmweredesignedinthispaper.Theminimumbreakdownvoltage,conductivityresponseanddischargelifeoftheswitchesweretestedandstudiedrespectively.ThetestresultsshowthattheminimumbreakdownvoltageofPCBplanarthreeelectrodeairsparkgapswitchincreaseswiththeincreaseofconductiontimesandgapbetweencathodeandanodeofswitch;Whenthechargingvoltageofthehighvoltagecapacitorandthepulsevoltageatthetriggerendremainthesame,theresponsetimeoftheswitchwiththesameparametersincreaseswiththeincreaseoftheconductiontimes;Whenotherconditionsremainunchanged,thelargerthegapbetweencathodeandanodeoftheswitch,thelongerthedischargelifeoftheswitch.Keywords：PCBplanarthreeelectrode；Airsparkgapswitch；Minimumbreakdownvoltage；Responsetime；Dischargelife高压开关作为爆炸箔起爆系统的重要组...
