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Construction Technology of Welded High Performance Electromagnetic Shielding Room

A technology of electromagnetic shielding and construction technology, which is applied in the direction of construction and building construction, can solve the problems such as the difficulty in ensuring the sealing performance of shielding shell welding, and achieve the effects of facilitating welding operations, ensuring ventilation effects, and improving installation efficiency

Active Publication Date: 2017-07-18
CHENGDU IND EQUIP INSTALLATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, most of the existing shielding room construction techniques have construction technical problems such as difficulty in guaranteeing the sealing performance of the shielding shell welding, gap shielding of doors and windows, electromagnetic shielding of water, electricity, and wind pipelines through walls, and system grounding, which cannot make the shielding room have a tight electromagnetic seal. performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0045] The invention provides a welding-type high-performance electromagnetic shielding room construction process, which mainly includes installing an insulating layer, installing a shielding room support keel, installing a shielding plate body, installing a shielding door and a shielding window, installing a power line through a wall for shielding, and weak current shielding Installation, water pipe penetration shielding installation, ventilation waveguide window installation, shielding leak detection and testing, interior decoration painting several major steps.

[0046] 1. Install the insulation layer

[0047] Use electric welding to fix the ground beam of the shielding room with a metal backing plate, and fix a polyvinyl chloride insulating backing plate with the same size as the bottom of the metal backing plate, and then insulate the metal backing plate and PVC through expansion bolts The backing plate is fixed to the ground of the infrastructure at the same time; the fa...

example 1

[0109] This project is a reinforced concrete frame structure with 4 floors above the ground and no basement. The total height of the main body of the building is 16.45m. There are 5 welded shielding rooms designed, with dimensions of 3201, 3202, 3203 (4.5×8.5×3.2), 2204, 2205 (4.5×6×3.6) m.

[0110] The construction content includes shielded doors, shielded windows, power supply and signal filters, fiber optic waveguides, ventilation waveguide windows, interior decoration, electrical equipment, etc. The shielding room adopts a single-layer modular steel plate welded structure with a gantry frame. The hexahedron of the shielding shell is made of 3mm high-quality steel plate. The shielding frame is made of a combination of rectangular square steel pipe and channel steel. The quality of the project has been affirmed by the construction unit, and the operation has been safe and stable so far, and good economic and social benefits have been achieved.

example 2

[0112] The project is located in the Science City of the Chinese Academy of Sciences in Mianyang, Sichuan, and the shielding room of the project is a GP6 welded shielding room. Including 7 shielded rooms, the sizes are 214 (4.2×8.5×3.6), 215 (4.2×8.5×3.6), 404 (4.2×6×3.6), 405 (4.2×6×3.6), 406 (3.9×6 ×3.6), 407(3.9×6×3.6), 408(3.9×6×3.6)m.

[0113] The construction content includes shielded doors, shielded windows, power and signal filters, optical fiber waveguides, special shielding covers for embedded ceiling air conditioners, ventilation waveguide windows, air-conditioning shielding treatment devices, interior decoration, electrical, etc. The shielding room adopts a single-layer modular steel plate welded structure with a gantry frame. The hexahedron of the shielding shell is made of 2-3mm high-quality steel plates, of which the ground is 3mm steel plates, and the other five sides are all made of 2.0mm steel plates. The shielding frame is made of a combination of rectangu...

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Abstract

The invention discloses a welding-type high-performance electromagnetic shielding chamber construction technology, and belongs to the technical field of electromagnetic shielding. The construction technology comprises the steps that 1, an insulating layer is installed; 2, supporting keels of a shielding chamber are installed; 3, shielding plates are installed; 4, a shielding door and a shielding window are installed respectively; 5, shielding installation is conducted on a power circuit penetrating through a wall; 6, shielding installation is conducted on weak-current parts; 7, shielding installation is conducted on water pipes penetrating through plates; 8, a ventilating waveguide window which is of a hexagonal honeycomb structure is installed inside a wind pipe of the shielding chamber; 9, shielding leakage detection and test are conducted; 10, coating of interior decorations is conducted. By means of the welding-type high-performance electromagnetic shielding chamber construction technology, the construction technical problem that the welding sealing property of a shielding shell is difficult to guarantee and the construction technical problems of shielding of window and door gaps, wall-penetrating electromagnetic shielding of pipelines of water, electricity and wind and system grounding are well solved, a guarantee is provided for information safety, a good technical support is provided for development of the electromagnetic shielding industry and the electronic information industry, and enormous social benefit is brought.

Description

technical field [0001] The invention relates to a construction technology, in particular to a construction technology of a welded high-performance electromagnetic shielding room. Background technique [0002] With the development of electronic technology, people use more and more electronic and electrical equipment in production and life, and a large number of automobiles, electronics, communications, computers and electrical equipment have entered the family, and the electromagnetic energy radiated by electromagnetic waves is increasing at an annual rate of 7%~ The speed of 14% is increasing, and the pollution of the electromagnetic environment is becoming more and more serious. On the other hand, the sensitivity of electronic and electrical equipment to the external electromagnetic environment is increasing. Due to the increasing digitalization, high integration, and miniaturization of signal levels to meet the requirements of high-speed, lightweight and miniaturized elect...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/92
CPCE04B1/92E04B2001/925
Inventor 刘成林吉勇何耀琳沈小洁林雪梅
Owner CHENGDU IND EQUIP INSTALLATION
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