Cabin electromagnetic environment control method
An electromagnetic environment and control method technology, applied in the field of cabin electromagnetic environment control, can solve problems such as difficult layout and installation, large volume and weight of wedge absorbing materials, etc., and achieve the effects of small layout influence, light weight, and easy processing
Active Publication Date: 2016-02-24
CHINA SHIP DEV & DESIGN CENT
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Problems solved by technology
[0005] The technical problem to be solved by the present invention is to provide a cabin electromagnetic environment control method based on composite structure decoration materials in view of the defects in the prior art that the wedge absorbing material has a large volume and weight and is difficult to arrange and install
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[0028] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0029] A cabin electromagnetic environment control method based on composite structural decoration materials, such as figure 1 As shown, the composite decorative material with structural absorbing material is placed on the non-metallic plane structure inside the shielding room. The non-metallic plane structure is a non-metallic table, screen interior, wooden door or wall. The pcb dielectric board and the dielectric material of the upper layer structure; the pcb dielectric board has a bad conductive metal wire structure. The structural diagram of composite decorative materials is as follows: figu...
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The invention discloses a control method of a cabin electromagnetic environment. The control method of the cabin electromagnetic environment comprises the following steps of placing composite decorative materials with structural wave-adsorbing materials on a nonmetal plane structure arranged inside a shielded room, wherein the composite decorative materials comprise lower-layer structure dielectric materials, a pcb dielectric slab and upper-layer structure dielectric materials, and a poor-conductivity metal wire structure is arranged on the pcb dielectric slab. Compared with the method of directly utilizing wedge wave-adsorbing materials to control the electromagnetic environment of the shielded room, the control method of the cabin electromagnetic environment has the advantages that the structural wave-adsorbing materials is light in weight, small in size, small in influence on an existing layout inside a cabin, easy to process and install, and strong in practicability.
Description
technical field [0001] The invention relates to the field of electromagnetic compatibility control, in particular to a method for controlling the electromagnetic environment of a cabin. Background technique [0002] In a complex electromagnetic environment, in order to reduce the interference of the electronic equipment by the environmental electromagnetic field, the case of the electronic equipment is often placed inside the metal shielding room. However, the penetration cable holes and ventilation holes in the metal shielding room can still cause a very small part of electromagnetic energy to leak into the shielding room. When the spectral energy distribution of the above-mentioned leaked electromagnetic energy is wide (such as ultra-wideband electromagnetic pulse field, etc.), there must be some frequency bands (the same as the resonance frequency band of the cabin itself). form a standing wave. The above-mentioned resonance will greatly enhance the field strength and d...
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IPC IPC(8): H05K9/00
Inventor 邓峰朱英富奚秀娟王冬冬郑生全张崎
Owner CHINA SHIP DEV & DESIGN CENT