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A kind of photoelectric composite optical cable and its preparation method

A photoelectric composite and optical cable technology, applied in the field of photoelectric transmission, can solve the problems of optical fiber loss of signal transmission, etc., and achieve the effects of strong bending resistance, compact structure, and good symmetry

Active Publication Date: 2020-02-07
湖南神通光电科技有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the photoelectric composite cables used in mines and other industrial occasions are often cables that have not yet aged, while optical fibers quickly lose the ability to transmit signals due to bending.

Method used

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  • A kind of photoelectric composite optical cable and its preparation method
  • A kind of photoelectric composite optical cable and its preparation method
  • A kind of photoelectric composite optical cable and its preparation method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Such as figure 1 Shown is a schematic cross-sectional view of the photoelectric composite optical cable in Embodiment 1 of the present invention.

[0028] The photoelectric composite optical cable includes an optical cable 1 , a reinforcing rib 2 , a cable inner support 3 , three sets of cables 4 , a waterproof layer 5 , and an outer protective layer 6 .

[0029] The optical cable 1 includes a plurality of optical fibers 1-1 and an optical fiber outer cladding 1-2. The optical fiber outer cladding 1-2 is used to accommodate and protect the optical fibers 1-1, so as to avoid excessive extrusion of the optical fibers by the cable. The outer cladding 1-2 of the optical fiber is cylindrical and can be made of resin, PVC, PP and other materials, and there are no too many restrictions here. In this embodiment, there are 4 optical fibers in the optical fiber outer cladding, and each optical fiber performs signal transmission independently of each other. Each optical fiber in...

Embodiment 2

[0042] Such as figure 2 Shown is a schematic cross-sectional view of the photoelectric composite optical cable in Embodiment 2 of the present invention.

[0043] Similar to Embodiment 1, the photoelectric composite optical cable in this embodiment includes an optical cable 1 , a reinforcing rib 2 , an inner cable support 3 , three sets of cables 4 , a waterproof layer 5 , and an outer protective layer 6 .

[0044] The optical cable 1 includes a plurality of optical fibers 1-1 and an optical fiber outer cladding 1-2. The optical fiber outer cladding 1-2 is used to accommodate and protect the optical fibers 1-1, so as to avoid excessive extrusion of the optical fibers by the cable. The outer cladding 1-2 of the optical fiber is cylindrical and can be made of resin, PVC, PP and other materials, and there are no too many restrictions here. In this embodiment, there are 4 optical fibers in the optical fiber outer cladding, and each optical fiber performs signal transmission indep...

Embodiment 3

[0058] Such as image 3 Shown is a schematic cross-sectional view of the photoelectric composite optical cable in Embodiment 3 of the present invention.

[0059] The photoelectric composite optical cable in this embodiment includes an optical cable 1 , a cable inner support 3 , three sets of cables 4 , a waterproof layer 5 , an outer protective layer 6 , and a flame-retardant layer 7 .

[0060] The optical cable 1 includes three optical fibers 1-1 and an optical fiber outer cladding 1-2. The optical fiber outer cladding 1-2 is used to accommodate and protect the optical fibers 1-1, so as to avoid excessive extrusion of the cables to the optical fibers. The outer cladding 1-2 of the optical fiber is cylindrical and can be made of resin, PVC, PP and other materials, and there are no too many restrictions here. In this embodiment, there are 3 optical fibers in the optical fiber outer cladding, and each optical fiber performs signal transmission independently of each other. Each...

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Abstract

The invention discloses a photoelectric composite optical cable, and the optical cable comprises an outer protection layer, a waterproof layer, one or more groups of cables, a support member and an optical cable. The outer protection layer is disposed on the outermost layer of the photoelectric composite optical cable, and is used for protecting the waterproof layer, one or more groups of cables,the support member and the optical cable. The waterproof layer is disposed on the inner layer of the outer protection layer, and the outer wall of the waterproof layer is matched with the inner wall of the outer protection layer, and the support member is disposed in the waterproof layer. The optical cable provided by the invention is high in toughness, is good in resistance to bending, is long inservice life, and can be used in many application scenes of mines and seabed.

Description

technical field [0001] The invention relates to the field of photoelectric transmission, in particular to a photoelectric composite optical cable and a preparation method thereof. Background technique [0002] Optical fiber composite cable, also known as photoelectric composite cable or photoelectric composite cable, is a new type of special cable that is emerging. It is currently mostly used in power systems, referred to as optical cable. It is composed of an optical fiber unit and an insulated core of a power cable, which realizes full utilization of electric line resources, and can ensure the normal transmission of electric energy while having the functional characteristics of optical fiber communication and sensing. Optical fiber composite cables use the channel resources of power lines to realize the laying of optical fiber lines, which solves the problems of single signal transmission and difficult construction of traditional cables, and can also realize functions such...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B9/00H01B7/18H01B7/282H01B13/00H01B13/22G02B6/44
CPCG02B6/4429G02B6/4479H01B7/18H01B7/2825H01B9/005H01B13/00H01B13/22
Inventor 赵春贺朱海滨黄更强张勇
Owner 湖南神通光电科技有限责任公司