电控撬用电磁屏蔽材料屏蔽特性实验

兰州理工大学学报 ›› 2020, Vol. 46 ›› Issue (5): 68-72.

电控撬用电磁屏蔽材料屏蔽特性实验

麻宏强^1,2,3, 张春娥¹, 梁诺¹, 刘叶敏¹, 陈维国³, 韩喜莲¹

1.兰州理工大学土木工程学院, 甘肃兰州 730050;
2.中石化中原石油工程设计有限公司, 河南濮阳 457001;
3.中原油田博士后科研工作站, 河南濮阳 457001

收稿日期:2020-01-10 出版日期:2020-10-28 发布日期:2020-11-06
作者简介:麻宏强(1984-),男,甘肃静宁人,博士后,副教授.
基金资助:
国家自然科学基金(51774092),甘肃省自然科学基金(1606RJZA059)

Experiment investigation on characteristic of electromagnetic shielding materials in electrical instrument control device

MA Hong-qiang^1,2,3, ZHANG Chun-e¹, LIANG Nuo¹, LIU Ye-min¹ CHEN Wei-guo³, HAN Xi-lian¹

1. School of Civil Engineering, Lanzhou Univ. of Tech., Lanzhou 730050, China;
2. Sinopec Petroleum Engineering Design Zhongyuan Corporation, Puyang 457001, China;
3. Postdoctoral Research Station in Zhongyuan Oilfield, Puyang 457001, China

Received:2020-01-10 Online:2020-10-28 Published:2020-11-06

摘要/Abstract

摘要： 为减少天然气集气站场电控撬内强弱电系统电磁干扰,保证其控制系统安全可靠运行,采用实验方法,测试分析了用于电控撬的铁丝网、铝箔防辐射胶带及防辐射布料的屏蔽效能.实验结果表明:电磁屏蔽材料的屏蔽效能受干扰电磁波辐射距离的影响较小,而受电磁波频率的影响较大;铁丝网、铝箔防辐射胶带和防辐射布料的电磁屏蔽效能,随干扰电磁波频率增大总体呈现出先增大后减小趋势.在干扰电磁波频率0~500 MHz波段,铁丝网和防辐射布料的屏蔽性能优于铝箔防辐射胶带的性能;在500~1 000 MHz波段,铝箔防辐射胶带和防辐射布料屏蔽性能优于铁丝网的性能;在1 000~2 500 MHz波段,铁丝网和铝箔防辐射胶带的电磁屏蔽性能优于防辐射布料的性能.

关键词: 电信号干扰, 屏蔽材料, 屏蔽效能, 电磁波

Abstract: In order to reduce electromagnetic interference between strong and weak electric systems of electrical instrument control device and ensure safety as well as reliable operation of the device in natural gas store station, this study adopts a kind of experimental method to test and analyze shielding effectiveness of wire mesh, aluminum foiled anti-radiation tape and radiation protection cloth. Tested results show that the shielding effectiveness of electromagnetic shielding materials is less affected by radiation distance of interference electromagnetic waves, but greatly affected by frequency of the interference electromagnetic waves. The electromagnetic shielding effectiveness of wire mesh, aluminum foiled anti-radiation tape and radiation protection cloth may increases at first and then decreases with increase of frequency of the interference electromagnetic wave. In the frequency band of 0~500 MHz, shielding performance of wire mesh and radiation protection cloth is better than that of aluminum foiled anti-radiation tape. In the frequency band of 500~1 000 MHz, the shielding performance of aluminum foiled anti-radiation tape and radiation protection cloth is better than that of wire mesh. In the frequency band of 1 000~2 500 MHz, the electromagnetic shielding performance of wire mesh and aluminum foiled anti-radiation tape is better than that of radiation protection cloth.

Key words: electrical signal interference, shielding material, shielding efficiency, the electromagnetic wave

中图分类号:

TE88

麻宏强, 张春娥, 梁诺, 刘叶敏, 陈维国, 韩喜莲. 电控撬用电磁屏蔽材料屏蔽特性实验[J]. 兰州理工大学学报, 2020, 46(5): 68-72.

MA Hong-qiang, ZHANG Chun-e, LIANG Nuo, LIU Ye-min CHEN Wei-guo, HAN Xi-lian. Experiment investigation on characteristic of electromagnetic shielding materials in electrical instrument control device[J]. Journal of Lanzhou University of Technology, 2020, 46(5): 68-72.