室外SMC箱盒电磁屏蔽效能研究与分析  

Research and analysis on electromagnetic shielding for outdoor SMC chamber

作　　者：崔勇[1] 闻映红[2] 王涛 张金宝[2] 

机构地区：[1]铁道部产品质量监督检验中心,北京100081 [2]北京交通大学电子信息工程学院,北京100044 [3]铁道部产品质量监督检验中心信号产品检验站,西安710048

出　　处：《北京交通大学学报》2012年第6期37-41,共5页JOURNAL OF BEIJING JIAOTONG UNIVERSITY

基　　金：国家自然科学基金资助项目(61172021);国家重大专项项目资助(2011ZX03001-007-01);中央高校基本科研业务费专项资金资助(2011JBZ001;2012JBM021)

摘　　要：针对SMC箱盒的电磁防护效能尚无量化的指标,以及对应测试方法的问题,从电气化铁道干扰源的特征出发,在分析SMC箱盒的电磁屏蔽效能模型的基础上,提出几种可行的改善室外SMC箱盒电磁防护效能的方法.进一步结合国内外主要标准和实测结果分析,提出了SMC箱盒的屏蔽效能的量化指标和适用的测试方法.To the problem that there are no quantifiable indicators and the corresponding testing methods for electromagnetic shielding performance of SMC boxes,this work analyzed electrification interference source characteristics of railway.Then electromagnetic shielding performance model for SMC boxes was proposed.With this model,several feasible improvements on electromagnetic shielding performance were proposed.Further domestic and foreign main standards and measurements analysis were taken into account,and quantifiable indicators and the suitable test method for SMC boxes were proposed.

关 键 词：电气化铁道 SMC信号箱盒 电磁屏蔽 效能测试 

分 类 号：U284.93[交通运输工程—交通信息工程及控制]