Flexible graphite grounding grid

A flexible graphite, grounding mesh technology, applied in the direction of connecting contact materials, etc., can solve the problems of accelerated corrosion of other metals, high price, poor electrical conductivity, etc., to achieve enhanced electrical conductivity, excellent anti-corrosion performance, and low contact resistance.

Inactive Publication Date: 2016-01-13
STATE GRID CORP OF CHINA +3
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Problems solved by technology

[0003] In related technologies, there are also developments of new materials for metal or non-metallic grounding grids at home and abroad, such as copper, galvanized steel, plasma, etc. However, although copper grounding grids have high electrical conductivity, high corrosion resistance, and copper-clad steel Hig

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  • Flexible graphite grounding grid
  • Flexible graphite grounding grid
  • Flexible graphite grounding grid

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Example Embodiment

[0018] The present invention will be further described below in conjunction with accompanying drawing and specific embodiment:

[0019] like Figure 1~3 As shown, the present invention provides a flexible graphite grounding grid, which includes a multi-section flexible graphite wire 1 and a metal sleeve 2 for crimping and connecting the flexible graphite wire 1, wherein one end of the flexible graphite wire 1 is pressed Connected and fastened in the metal sleeve 2, the multi-section flexible graphite wire 1 is connected into a whole through the metal sleeve 2.

[0020] Specifically, in the actual construction process, a grounding network may contain multiple grounding bodies, that is, multiple segments of flexible graphite conductors 1 in this application, and these grounding bodies are interconnected to form the entire grounding network. In this embodiment, each segment The graphite wires are connected through the metal sleeve 2, and according to different construction needs...

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Abstract

The invention discloses a flexible graphite grounding grid, which comprises a plurality of sections of flexible graphite lead wires, and a metal casing pipe used for crimping and connecting the flexible graphite lead wires, wherein one end of each flexible graphite lead wire is crimped and fastened in the metal casing pipe, and the plurality of sections of flexible graphite lead wires are integrally connected through the metal casing pipe. By adopting the flexible graphite lead wires to replace the original metal grounding bodies, the grounding grid has more excellent corrosion resistance; the plurality of flexible graphite lead wires are crimped and interconnected through the metal casing pipe, so that the flexible graphite lead wires are in tight contact with the inner side walls of the metal casing pipe and are not prone to fall off; and the flexible graphite grounding grid has smaller contact resistance at connecting points when compared with that of the traditional grounding grid adopting a welding and interconnecting method, and enhances the conductivity.

Description

technical field [0001] The invention relates to the technical field of grounding grid devices, in particular to a flexible graphite grounding grid. Background technique [0002] At present, most of the grounding grids are metal grounding grids. The metal grounding grids are generally designed to have a service life of 20 to 30 years when they are buried. After 3 to 5 years, some grounding metal surfaces on the grounding grid have been severely corroded. The metal grounding grid is generally welded by multiple grounding bodies, and its corrosion mainly occurs on the metal grounding body itself and the welding points between the grounding bodies. The inrush current makes the grounding grid and power grid face great operational risks, and the operation and maintenance personnel are also very dangerous during the work process. With the increase of electrical accidents caused by the corrosion of the grounding grid, people are paying more and more attention to the research on th...

Claims

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Application Information

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IPC IPC(8): H01R4/66
Inventor 刘玺戴永东毛锋
Owner STATE GRID CORP OF CHINA
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