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Composite cable

A technology for composite cables and optical cables, which is applied in cables, communication cables, electrical components, etc., can solve problems such as accidental failures, broken strands of OPGW optical cables, and low electrical isolation performance of OPGW optical cables, so as to achieve electrical isolation performance and meet resistance The effect of stress requirements

Active Publication Date: 2013-07-10
STATE GRID CORP OF CHINA +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The inventor found in the process of realizing the present invention that: although the OPGW optical cable can have dual functions of ground wire and communication, the electrical isolation performance of the OPGW optical cable is not high, and accidental failures are prone to occur in some power transmission fields; In the incoming system of the substation, because the electrical isolation performance of the OPGW optical cable is not high, it often occurs that the OPGW optical cable discharges the substation frame and causes a broken strand.

Method used

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Embodiment Construction

[0038] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0039] figure 1 For the structural schematic diagram of the composite cable provided by the embodiment of the present invention, refer to figure 1 , the composite cable may include: an optical cable 1 , a first ground layer 2 wrapped outside the optical cable 1 , and a second ground layer 3 wrapped outside the first ground layer 2 .

[0040] The structure of the first ground layer 2 and the second ground layer 3 can refer to figure 2 as shown, figure 2 Fo...

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Abstract

The embodiment of the invention provides a composite cable. The composite rope comprises an optical cable, a first ground plane and a second ground plane, wherein the first ground plane wraps outside the optical cable and comprises first number-preset ground wires which are surrounded to form a ring shape and wrap the optical cable, and the spaces among various first number-preset ground wires meet a first preset space value; the second ground plane wraps outside the first ground plane and comprises second number-preset ground wires which are surrounded to form the ring shape and wrap the first number-preset ground wires, and the spaces among various second number-preset ground wires meet a second preset space value; and the second preset number is larger than the first preset number. The composite cable provided by the embodiment of the invention achieves electric isolation performance based on ground wire and communication functions and meets the stress-resistant requirement of the composite cable.

Description

technical field [0001] The invention relates to the technical field of cables, and more specifically, to a composite cable. Background technique [0002] At present, in the power transmission line of the power system, the optical fiber communication network is mainly laid through the OPGW (Optical Fiber Composite Overhead Ground Wire) optical cable, so as to realize the interaction of power data among the data processing equipment of the power system; in the transmission line The OPGW optical cable is used to lay the optical fiber communication network, which can realize the communication function and also have the ground wire function required by the transmission line. [0003] The inventor found in the process of realizing the present invention that: although the OPGW optical cable can have the dual functions of ground wire and communication, the electrical isolation performance of the OPGW optical cable is not high, and accidental failures are prone to occur in some power...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/22
Inventor 朱发强叶大革夏翔黄红兵叶忠民毛秀伟王彦波仇钧王坚刚
Owner STATE GRID CORP OF CHINA
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