Electromagnetic radiation integral shielding structure for large space

Abstract

The invention relates to an electromagnetic radiation integral shielding structure for a large space, and aims to provide an electromagnetic radiation integral shielding structure for a large space, which solves the large space for electromagnetic radiation protection very difficult problem. The integral shielding structure adopts the technical scheme that the integral shielding structure is suitable for the large space. The integral shielding structure is characterized in that the large space adopts a shielding structure which is provided with two integral layers and three local layers; in the first shielding layer, a reinforcing net of the building structure of the large space is set into grids smaller than or equal to 200mm*200mm, and reinforcing bars are welded into a whole at every one meter; in the second shielding layer, shielding steel plates with thickness of 2 to 2.5mm are respectively arranged on the front surface, the back surface, the left surface, the right surface, the upper surface and the lower surface of the inside of the large space and define a shielding casing; and in the third shielding layer, working equipment is installed in the large space, and the working equipment is respectively provided with a metal machine cabinet which is subject to grounding treatment. The integral shielding structure is suitable for human body electromagnetic protection structures.

Description

technical field [0001] The invention relates to a human body electromagnetic protection structure, in particular to an electromagnetic radiation overall shielding structure suitable for large spaces. It is suitable for special industries, such as military, aerospace, weather radar stations and other command halls or on-site work halls. Background technique [0002] Electromagnetic radiation field is generally divided into near field and far field. Centered on the field source, the area within a wavelength range is usually called the near field. Conversely, the region outside the 1 wavelength range is usually called the far field. The electromagnetic field intensity of the near field is much larger than that of the far field, and the influence and damage of electromagnetic radiation on the human body are mainly in the near field. However, accurate calculation of shielding effectiveness is difficult. 30m in China 2 An electromagnetic protection case with a smaller area, t...

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Problems solved by technology

The exact calculation of shielding effectiveness is difficult

30m in China 2 An electromagnetic protection case with a smaller area, this case uses gold foil to paste the six sides of the space, but this method is expensive, and the too thin gold foil will vibrate obviously and vibrate for a long time when the door is opened and closed, making people extremely uncomfortable; for large spaces It is obviously unrealistic to use this method for overall shielding, and due to the large space, many people, electronic equipment, and many pipelines, it is particularly difficult to carry out electromagnetic protection for large spaces, and there are not many successful cases in China.

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