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Anti-freezing communication cable

A communication cable, loose tube technology, applied in communication cables, insulated cables, cables, etc., can solve the problems of easy cracking, low tensile strength, and communication cables do not have thermal insulation effect, etc., to improve the tensile strength and structure. High stability effect

Active Publication Date: 2017-05-10
GUANGDONG SIMPACT CABLE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the existing communication cables do not have thermal insulation effect, are easy to crack at low temperature, and have low tensile strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] An antifreeze communication cable, comprising a conductor 1, a silica gel tape 2, an optical fiber 3 and a loose tube 4, the silica gel tape 2 is wound on the outside of the conductor 1, the outside of the silica gel tape 2 is provided with loose tubes 4 at intervals, and the loose tube 4 The sleeve tubes 4 are distributed in a circular array, the optical fiber 3 is installed in the loose tube 4, the section of the loose tube 4 is rectangular, and the insulation layer 5 is filled between the loose tube 4 and the silicone tape 2, so The outer side of the thermal insulation layer 5 is provided with a polyvinyl chloride layer 6, and the outer side of the polyethylene layer 6 is sequentially provided with a copper braided layer 7 and an engineering plastic layer 8, and a steel strand 9 is also installed in the thermal insulation layer 5, and the steel strand 9 is installed inside the thermal insulation layer 5. There are three stranded wires 9, and protrusions 10 are distrib...

Embodiment 2

[0036] An antifreeze communication cable, comprising a conductor 1, a silica gel tape 2, an optical fiber 3 and a loose tube 4, the silica gel tape 2 is wound on the outside of the conductor 1, the outside of the silica gel tape 2 is provided with loose tubes 4 at intervals, and the loose tube 4 The sleeve tubes 4 are distributed in a circular array, the optical fiber 3 is installed in the loose tube 4, the section of the loose tube 4 is rectangular, and the insulation layer 5 is filled between the loose tube 4 and the silicone tape 2, so The outer side of the thermal insulation layer 5 is provided with a polyvinyl chloride layer 6, and the outer side of the polyethylene layer 6 is sequentially provided with a copper braided layer 7 and an engineering plastic layer 8, and a steel strand 9 is also installed in the thermal insulation layer 5, and the steel strand 9 is installed inside the thermal insulation layer 5. There are three stranded wires 9, and protrusions 10 are distrib...

Embodiment 3

[0047] An antifreeze communication cable, comprising a conductor 1, a silica gel tape 2, an optical fiber 3 and a loose tube 4, the silica gel tape 2 is wound on the outside of the conductor 1, the outside of the silica gel tape 2 is provided with loose tubes 4 at intervals, and the loose tube 4 The sleeve tubes 4 are distributed in a circular array, the optical fiber 3 is installed in the loose tube 4, the section of the loose tube 4 is rectangular, and the insulation layer 5 is filled between the loose tube 4 and the silicone tape 2, so The outer side of the thermal insulation layer 5 is provided with a polyvinyl chloride layer 6, and the outer side of the polyethylene layer 6 is sequentially provided with a copper braided layer 7 and an engineering plastic layer 8, and a steel strand 9 is also installed in the thermal insulation layer 5, and the steel strand 9 is installed inside the thermal insulation layer 5. There are three stranded wires 9, and protrusions 10 are distrib...

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Abstract

The invention discloses an anti-freezing communication cable. The anti-freezing communication cable comprises a conductor, a silica gel belt, optical fibers and loose sleeves, wherein the silica gel belt is wound around the exterior of the conductor; the loose sleeves are arranged outside the silica gel belt at intervals; the loose sleeves are distributed in an annular array manner; the optical fibers are mounted in the loose sleeves; the section of each loose sleeve is rectangular; the spaces between the loose sleeves and the silica gel belt are filled with a thermal insulation layer; a polyvinyl chloride layer is arranged outside the thermal insulation layer; a copper weaving layer and an engineering plastic layer are arranged outside the polyvinyl chloride layer in sequence; three steel stranded wires are mounted in the thermal insulation layer; and lug bosses are distributed outside the engineering plastic layer at intervals. The anti-freezing communication cable disclosed by the invention has a thermal insulation effect, is not cracked in a low-temperature state and is high in tensile strength.

Description

technical field [0001] The invention relates to an antifreeze communication cable. Background technique [0002] Existing wire cables are cables for the transmission of telephone, telegraph, fax documents, TV and radio programs, data and other electrical signals. It consists of more than one pair of mutually insulated wires twisted together. Compared with overhead open wires, communication cables have the advantages of large communication capacity, high transmission stability, good confidentiality, and less affected by natural conditions and external interference. Set of communication lines. Some are also equipped with an outer sheath outside the sheath. There are various laying methods such as overhead, direct burial, pipeline and underwater. According to the structure, it is divided into symmetrical, coaxial and integrated cables; according to the function, it is divided into field and permanent cables (underground and submarine cables). The transmission frequency ban...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/22H01B7/22H01B7/28
CPCH01B7/223H01B7/28H01B11/22
Inventor 罗锐明罗志城
Owner GUANGDONG SIMPACT CABLE IND