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The effect of shielding the computer room on alleviating electromagnetic radiation

Author:admin   AddTime:2021-04-15

Electromagnetic radiation and electromagnetic interference are things that we all encounter in our lives, which can cause certain harm to our bodies. High-voltage and high-frequency transmission lines, high-power motors, computer hosts, displays, etc. are all sources of electromagnetic radiation. Therefore, shielding the existence of the computer room is very necessary. The shielded computer room is mainly composed of shielded shell, shielded door, power filter, telephone filter, signal filter, ventilation waveguide, etc. Different components have different properties.

Screen door: The performance of the screen room depends on whether there is a high-performance screen door. The screen door is crimped with the "knife" on the door panel by using the reed to increase the leakage electromagnetic wave path. , To meet the requirements of leakage prevention.



Ventilation waveguide: By calculating the air volume, selecting the area and number of ventilation waveguides, install hexagonal honeycomb-shaped ventilation waveguide windows on the shielding shell. The ventilation waveguide window is constructed according to the microwave theory (cut-off waveguide) and strict technology, using a mold to make a hexagonal honeycomb-shaped cut-off waveguide through vacuum lead welding.

Shielding shell: adopts cold-rolled steel plate welded structure. The shielding shell skeleton is welded with high-quality channel steel, square steel and section steel to form a grid, and the ground, wall and top are respectively welded with high-quality cold-rolled steel plates with a thickness of 2~2.5mm. With high strength and rigidity, it can fully play the role of physical protection and electromagnetic protection.

Power filter: Use the spectral characteristics of the device to control the flow of harmful interference or absorb interference to achieve the purpose of controlling interference. Filtering technology is one of the main means to suppress conducted interference, and it is also an important measure to improve the ability of electronic equipment to resist conducted interference.

On this basis, we also summarized several aspects that have an impact on the performance of the shielded computer room, including the seam treatment of shielding materials; the filtering treatment of power lines; the materials used in the shielding room; the shielding treatment of signal lines, etc.

Absorbing Material:https://www.goodsmaterial.com/

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