Lightweight electromagnetic shielding square cabin and preparation process thereof

Abstract

According to the light-weight electromagnetic shielding square cabin and the preparation technology thereof, a cabin body is made of inner and outer high-quality rust-proof aluminum skin, a honeycomb plate is made of sandwich aramid paper honeycombs, the weight of the whole cabin is effectively reduced, light weight is achieved, inner aluminum frame sectional materials are in lap joint, gaps are filled with nickel nets, the nickel nets are made of hollow circular nickel net strips, and the hollow circular nickel net strips are not prone to falling off. The high compressibility is realized; according to the preparation technology, the shielding square cabin can be in three-layer conduction, namely, inner skin conduction, outer skin conduction and internal overall framework conduction, and the electronic shielding square cabin achieves the I-level shielding effect through shielding treatment.

Description

technical field [0001] The invention belongs to the technical field of electromagnetic shielding shelters, and particularly relates to a lightweight electromagnetic shielding shelter and a preparation process thereof. Background technique [0002] In recent years, with the rapid development of science and technology and the continuous acceleration of the informatization process, electromagnetic interference has become one of the determinants of the normal operation of informatization equipment. As a common carrier of military equipment, electromagnetic shielding shelters are increasingly used on the battlefield, and the requirements for electromagnetic shielding have been continuously improved, gradually increasing from 40dB and 60dB to 80dB. Shielding electromagnetic interference and electromagnetic pulses and ensuring the normal operation of the combat function equipment in the cabin plays an important role. [0003] The structural form of the traditional electromagnetic ...

AI Technical Summary

Problems solved by technology

[0003] The structure of the traditional electromagnetic shielding shelter is as follows: the alloy aluminum plate is used as the inner and outer skin of the cabin, the aluminum profile is used as the middle skeleton, and the interlayer is filled with polyurethane foam board; the traditional electromagnetic shielding shelter is made of electrical insulation inside and outside The skin is made of a double-layer Faraday cage structure to achieve a good electromagnetic shielding effect. However, the inner and outer skins of the alloy aluminum plate and the middle skeleton of the aluminum profile make the overall weight of the shelter larger, which cannot meet airdrops and complex terrain conditions. Under the requirements of fast and maneuverable combat use

[0004] The invention of notification number CN205987700U discloses a novel 60dB electromagnetic shielding shelter, which includes a shelter body, which includes front, rear, left, right, upper and lower cabin decks, and adjacent cabin decks are vertically connected, There are cabin doors, emergency doors, air inlets and outlets, integrated air conditioners, power wall boxes and signal wall boxes on the cabin deck, honeycomb cut-off waveguide plates are installed on the air inlets and outlets, metal reeds and metal springs are installed on the cabin doors and emergency doors. The door knife and the cabin panel include the outer panel, the inner panel, the foam material and the skeleton, the foam material is filled between the outer panel and the inner panel, and the joints of two adjacent cabin panels are riveted with inner angle steel and outer angle steel , and a metal gasket is installed at the riveting position, the power supply wall box includes an inner cover, a filter mounting plate and a socket mounting plate, the inner cover, the filter mounting plate and the inner cover plate are riveted, and a metal gasket is installed at the riveting position; although It has the advantages of strong electrical continuity, low flux leakage rate and good shielding effect, but its overall weight is relatively large, and its light weight and shielding effect need to be improved

[0005] The invention of notification number CN209267940U discloses a light-duty electromagnetic shielding shelter, the key points of its technical scheme include a deck, and the deck includes a front deck, a rear deck, a left deck, a right deck, a top deck and a bottom deck, The front deck is equipped with access doors, the right deck is equipped with lighting windows, and the rear deck is provided with air inlets and outlets. The access doors include matching door leaves and door frames. Each deck is made of outer carbon fiber The board, the aramid paper honeycomb in the middle layer and the alloy aluminum plate in the inner layer, the outer side of the adjacent deck is bonded with the outer carbon fiber plate by the outer edge of carbon fiber material, and the inner side is made of aluminum alloy inner edge through rivets It is riveted and connected with the inner alloy aluminum plate, and there is a copper mesh between the aluminum alloy inner wrapping edge and the inner alloy aluminum plate; although the overall weight of this utility model is reduced, the electromagnetic shielding of the cabin is almost impossible when in use. It is difficult to reach 40dB, and the shielding effect needs to be improved

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