指簧式密封结构的屏蔽效率分析

Asia-Pacific Conference on Environmental Electromagnetics, 2003. CEEM 2003. Proceedings. Pub Date : 1900-01-01 DOI:10.1109/CEEM.2003.238348

LiuYi-ping, Shen Bao-li

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引用次数: 0

摘要

屏蔽门的缝隙处经常会出现电磁泄漏问题，通常的解决方法是在屏蔽门上加装某种电气垫片。指簧是一种典型的电气垫圈，应用广泛。首先用时域有限差分法分析了指簧结构尺寸对屏蔽效率的影响。然后，研究了在金属结构孔中安装指形簧片对电磁脉冲的屏蔽效率。计算结果与实验结果吻合较好。最后，得出了一些可供实际工程参考的结论。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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The analysis of the shielding efficiency for the hermetic structure with the finger-reed

An electromagnetic leakage problem often appears at a shielding door's aperture, and the usual method to resolve it is to apply some kind of electrical gasket to the shielding door. The finger-reed is a typical electrical gasket with broad application. The influence of the dimensions of a finger-reed structure on shielding efficiency is first analyzed by FDTD method. Then, the shielding efficiency for an electromagnetic pulse is investigated when a finger shaped reed is installed in an aperture of a metal structure. The computational results coincide well with those of experimental results. Finally, some conclusions, which may provide a helpful reference for practical engineering, are obtained.

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Asia-Pacific Conference on Environmental Electromagnetics, 2003. CEEM 2003. Proceedings.

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