An aluminum honeycomb core brazed electromagnetic shielding waveguide window and its production process

Abstract

The invention discloses an aluminum honeycomb core brazing electromagnetic shielding waveguide window, which comprises an aluminum-steel composite board. The invention also puts forward a production technology for the brazing electromagnetic shielding waveguide window. The production technology comprises the following steps that: S1: according to the requirements of use environment and intensity as well as weight, selecting a metal board material of which the material type and the thickness are proper; and S2: according to the requirements, cutting off the metal board material. By use of the aluminum honeycomb core brazing electromagnetic shielding waveguide window and the production technology, the connection electroconductibility of all connection parts independently between the aluminumhoneycomb core and a flange plate, between the aluminum honeycomb core and the aluminum-steel composite board as well as between the aluminum honeycomb core and an aluminum window frame can be guaranteed, shielding efficacy is improved, the EMI (Electro-Magnetic Interference) shielding of a shielding room or electronic equipment can be effectively eliminated, and good ventilation guaranteeing isrealized. Meanwhile, the aluminum material is extremely easy to form an oxidization layer by aiming at the aluminum material, the antiseptic property of the aluminum material is excellent, surface antiseptic treatment does not need to be carried out under non strong acidity and strong basicity environment, in addition, parameters can be changed to regulate the shielding efficacy according to client requirements, and the practical requirements of the client are met.

Description

technical field [0001] The invention relates to the technical field of electromagnetic protection, in particular to an aluminum honeycomb core brazed electromagnetic shielding waveguide window and a production process thereof. Background technique [0002] The waveguide window is an airtight or liquid-tight barrier or waveguide cover designed to make the electromagnetic wave basically transparently transmitted. The function of the waveguide window is to ensure air circulation and prevent the leakage of electromagnetic signals. The ventilation waveguide window is the main channel for shielding indoor air to exchange with the outside world, and it can effectively block the passage of electromagnetic waves. The ventilation waveguide window is a cut-off waveguide bundle composed of many small cut-off waveguides, and its cross-sectional shape is hexagonal. The cross-sectional form of the ventilation cut-off waveguide window usually has the following types: circular, square and h...

AI Technical Summary

Problems solved by technology

[0003] At present, the honeycomb core of the existing aluminum waveguide window mostly adopts the glued aluminum honeycomb core structure, which has poor shielding effect and limited application occasions; while the steel honeycomb core has poor anti-corrosion performance, is easy to oxidize, and has a short anti-corrosion period. The rust prevention problem has yet to be solved. Overcoming, for this reason, we propose a new type of aluminum honeycomb core brazed electromagnetic shielding waveguide window and its production process to solve the above problems

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