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A composite graphite grounding conductor, its preparation method and its application method

A grounding conductor, composite graphite technology, applied in the direction of connection, connection contact material, electrical components, etc., can solve the problems of low mechanical strength, poor conductivity, easy damage, etc., and achieve high mechanical strength, high conductivity, and not easy to break. Effect

Active Publication Date: 2016-05-25
丁立国 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Some people try to use graphite rope instead of metal strip, but its structure is loose, its conductivity is poor, and its mechanical strength is small, so it is easy to damage

Method used

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  • A composite graphite grounding conductor, its preparation method and its application method
  • A composite graphite grounding conductor, its preparation method and its application method
  • A composite graphite grounding conductor, its preparation method and its application method

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Embodiment Construction

[0033] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0034] see Figure 1-Figure 5 , the invention includes a corrosion-resistant casing, the casing is filled with a high-carbon graphite inner core, and a group of through holes are distributed on the casing.

[0035] The sleeve is cylindrical.

[0036] The casing is a hot-dip galvanized pipe or a stainless steel pipe.

[0037] The diameter and wall thickness of the casing of the present invention can be designed according to actual needs, for example, the diameter of the casing can be 5-10 mm, and the wall thickness of the casing can be 2-4 mm.

[0038] The through holes are evenly arranged on the sleeve.

[0039] A method for preparing a composite graphite grounding conductor, comprising the steps of:

[0040] (1) High-purity expanded graphite is used as raw material;

[0041] (2) Choose a high-strength adhesive as the adhesive; ...

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Abstract

The invention discloses a composite graphite grounding conductor and a manufacturing method and an application method of the composite graphite grounding conductor. The composite graphite grounding conductor is characterized by comprising a corrosion-resistant sleeve, a high-carbon graphite inner core is filled into the sleeve, and a group of through holes are distributed in the sleeve. According to the composite graphite grounding conductor and the manufacturing method and the application method of the composite graphite grounding conductor, the expanded graphite core is wrapped by a high-strength hot galvanized tube or a stainless steel tube with holes, so that high electrical conductivity is ensured, and the composite graphite grounding conductor has high mechanical strength and certain toughness and is not prone to fracture. Due to the special structure, electrical conduction is mainly completed by the graphite core, so that the mechanical strength is kept even if a metal armor rusts because of oxidation, and the electrical conductivity of the whole product will not be affected. The composite graphite grounding conductor organically combines the electrical conductivity and corrosion resistance of the graphite and physical performance of metal material and thus has the advantages of being compact in texture and resistant to pressure, tension and impact due to high strength.

Description

technical field [0001] The invention relates to the field of grounding conductors, in particular to a composite graphite grounding conductor, a preparation method and a use method thereof. Background technique [0002] In order to guide the strong current generated by lightning to the earth, high-voltage transmission towers and substations are equipped with lightning protection and grounding systems. The system consists of lightning arresters on the ground and underground lightning protection and grounding discharge networks. It is composed of discharge and grounding modules. [0003] Traditional lightning protection grounding systems are basically connected by metal strips, or connected by metal strips and vertical graphite blocks. It has two obvious defects. One is that the metal strip connecting conductor is easy to corrode and rust, especially in acid-base soil, a layer of oxide layer can be formed on the metal surface in a short period of time; the other is that the gr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R4/66H01R43/00
Inventor 于钦贤
Owner 丁立国
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