Equipotential lightning protection auxiliary device for small-scale industrial control room

A technology of industrial control and lightning protection devices, applied in the direction of connecting contact materials, etc., can solve problems such as limited technical effects, and achieve the effects of good operability, standardized structural design, and excellent technical effects

Inactive Publication Date: 2013-03-06
STATE GRID CORP OF CHINA +1
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  • Equipotential lightning protection auxiliary device for small-scale industrial control room

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Embodiment 1

[0018] An auxiliary equipotential lightning protection device for a small industrial control room, which is used in conjunction with a lightning protection device; it is specifically composed of a metal strip 1 laid along the wall and an equipment cabinet 3 and a metal grid 2 electrically connected to the above metal strip 1 and connected with the grounding cable reserved in the small industrial control room through cables; the metal strip is specifically a copper strip with a cross-sectional length of 20-50mm and a width of 1.5-6mm; the metal grid 2 is specifically a cross-section of copper strips The equipotential grid formed by connection arrangement, the metal grid 2 is a parallelogram grid with a side length of 300-2000mm; the normal uncharged metal conductors in the industrial control room are connected with the above-mentioned metal strip 1 or / and metal mesh through wires grid 2 connection.

[0019] The metal strip is specifically a copper strip with a cross-sectional l...

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Abstract

The invention discloses an equipotential lightning protection auxiliary device for a small-scale industrial control room. The equipotential lightning protection auxiliary device is used in combination with a lightning protector. The equipotential lightning protection auxiliary device is characterized by specifically comprising a metal strip (1) and a metal grid (2), wherein the metal strip (1) is laid along a wall and an equipment cabinet (3); the metal grid (2) is in electric connection with the metal strip (1); the equipotential lightning protection auxiliary device is connected with a reserved grounded cable in the small-scale industrial control room through a cable; particularly, the metal strip is a copper bar of which the cross section is 20-50 mm in length and 1.5-6 mm in width; the metal grid (2) is particularly an equipotential grid composed of copper bars which are arranged in an intersection connection manner; the metal grid (2) is a parallel quadrilateral grid which is 300-2000 mm in edge length; and normal uncharged conductors in the industrial control room are all connected with the metal strip (1) or/and the metal grid (2) through electric wires. Compared with the prior art, the equipotential lightning protection auxiliary device is standard in structural design, good in operability and excellent in technical effect.

Description

Technical field: [0001] The invention relates to the technical field of structural design and application of a lightning protection device, and in particular provides an auxiliary equipotential lightning protection device for a small industrial control room. Background technique: [0002] In the prior art, people can design and apply lightning protection devices in buildings according to GB50057-94 "Code for Lightning Protection Design of Buildings" and GB50343-2004 "Technical Specifications for Lightning Protection of Building Electronic Information Systems". The traditional lightning protection method consists of two links: external protection and internal protection. External protection is protection against fire and mechanical damage that occurs in the building itself when lightning strikes the building. Including the facilities outside the building that lead the lightning discharge current to the earth: lightning rod (lightning protection belt), down conductor, groundi...

Claims

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Application Information

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IPC IPC(8): H01R4/64H01R4/66
Inventor 王玲夏泳杜科
Owner STATE GRID CORP OF CHINA
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