www.ChinaAET.com5GVerticalIndustryApplication5G垂直行业应用孔缝尺寸参数对腔体的5G屏蔽效能影响规律研究*赵欣洋,尹琦云,杨晨,陆洪建(国网宁夏电力有限公司超高压公司,宁夏银川750000)摘要:为保证换流站5G设备屏蔽腔体的屏蔽性能,明确腔体孔缝数量及尺寸对其屏蔽效能的影响规律,在HFSS仿真环境下,构建了屏蔽腔体的电磁屏蔽效能分析模型,分析了5G微带贴片天线电磁辐射的空间分布特征;然后,分析了腔体孔缝高度对屏蔽效能的影响,发现不同孔缝直径下屏蔽效能均随孔缝高度的增加而呈增强趋势,电磁辐射强度由0.5mm高度下的24.81dB降低为2.0mm高度下的16.29dB,同时分析发现屏蔽效能随孔缝直径的增加呈现下降趋势,最大辐射强度由1.0mm直径的-15.13dB增长至7.0mm直径的49.87dB;最后,在孔缝面积占比一定的情况下,发现随着孔缝数量的增多和孔缝直径的减小,屏蔽腔体的屏蔽效能是不断提高的。关键词:5G通信技术;电磁辐射;屏蔽腔;孔缝尺寸参数中图分类号:TN929.5文献标志码:ADOI:10.16157/j.issn.0258-7998.223380中文引用格式:赵欣洋,尹琦云,杨晨,等.孔缝尺寸参数对腔体的5G屏蔽效能影响规律研究[J].电子技术应用,2023,49(4):16-20.英文引用格式:ZhaoXinyang,YinQiyun,YangChen,etal.Influenceofaperturesizeparameterson5Gshieldingeffectivenessofshieldingcavity[J].ApplicationofElectronicTechnique,2023,49(4):16-20.Influenceofaperturesizeparameterson5GshieldingeffectivenessofshieldingcavityZhaoXinyang,YinQiyun,YangChen,LuHongjian(StateGridNingxiaElectricPowerCo.,Ltd.,Ultra-HighVoltageCompany,Yinchuan750000,China)Abstract:Inordertoensuretheshieldingperformanceoftheshieldingcavityofthe5Gequipmentintheconverterstation,andtoclarifytheruleoftheinfluenceofthenumberandsizeofthecavityapertureonitsshieldingeffectiveness,thisstudycon‐structstheelectromagneticshieldingeffectivenessanalysismodeloftheshieldingcavityundertheHFSSsimulationenvironment,andanalyzesthespatialdistributioncharacteristicsoftheelectromagneticradiationofthe5Gmicrostrippatchantenna.Then,theinfluenceoftheslotheightofthecavityontheshieldingeffectivenessisanalyzed.Itisfoundthattheshieldingeffectivenessun‐derdifferentslotdiametersincreaseswiththeincreaseofthesloth...