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Field operation anti-bending and anti-interference photoelectric mixed cable and preparation method thereof

A photoelectric hybrid cable, anti-bending technology, applied in the direction of cable/conductor manufacturing, twisted/quad-stranded cables, insulated cables, etc., can solve the problem of poor bending resistance of optical cables, insufficient cable transmission capacity, Can not be removed and other problems, to meet the laying requirements, improve the anti-bending and anti-interference ability, reduce the laying space and manufacturing costs

Active Publication Date: 2014-05-21
江苏通光电子线缆股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the poor bending resistance of traditional optical cables, especially after being mixed with cables, the bending resistance is even worse, the transmission capacity of the cables is insufficient, and it is easy to crosstalk, but it cannot be removed due to the role of electricity transmission.

Method used

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  • Field operation anti-bending and anti-interference photoelectric mixed cable and preparation method thereof
  • Field operation anti-bending and anti-interference photoelectric mixed cable and preparation method thereof
  • Field operation anti-bending and anti-interference photoelectric mixed cable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] A method for preparing a field-bending and interference-resistant photoelectric hybrid cable, comprising the steps of:

[0041] (1) Preparation of shielded insulating cable core:

[0042] a. Use a wire drawing machine or a wire and cable stranding machine to draw or twist a single or multiple silver-plated copper wires as a conductor. The twisting pitch ratio of the conductor is 8 times the outer diameter of the conductor, and the twisting direction is S direction;

[0043] b. Use a high-temperature screw extruder to extrude a layer of ethylene-tetrafluoroethylene resin as an insulating layer outside the conductor, and pass through a hot water tank, an air-cooled guide wheel passing groove, and a normal temperature water tank. The temperature of the hot water tank is 78 ° C. Air cooling The temperature of the guide wheel trough is normal temperature, the temperature of the normal temperature water tank is the ambient temperature, the temperature curves of each area of ​...

Embodiment 2

[0053] A method for preparing a field-bending and interference-resistant photoelectric hybrid cable, comprising the steps of:

[0054] (1) Preparation of shielded insulating cable core:

[0055] a. Use a wire drawing machine or a wire and cable stranding machine to draw or twist a single or multiple silver-plated copper wires as a conductor. The twisting pitch ratio of the conductor is 9 times the outer diameter of the conductor, and the twisting direction is S direction;

[0056] b. Use a high-temperature screw extruder to extrude a layer of ethylene-tetrafluoroethylene resin as an insulating layer outside the conductor, and pass through a hot water tank, an air-cooled guide wheel passing groove, and a normal temperature water tank. The temperature of the hot water tank is 80 ° C. Air cooling The temperature of the guide wheel trough is normal temperature, the temperature of the normal temperature water tank is the ambient temperature, the temperature curves of each area of ​...

Embodiment 3

[0066] A method for preparing a field-bending and interference-resistant photoelectric hybrid cable, comprising the steps of:

[0067] (1) Preparation of shielded insulating cable core:

[0068] a. Use a wire drawing machine or a wire and cable stranding machine to draw or twist a single or multiple silver-plated copper wires as a conductor. The twisting pitch ratio of the conductor is 10 times the outer diameter of the conductor, and the twisting direction is S direction;

[0069] b. Use a high-temperature screw extruder to extrude a layer of ethylene-tetrafluoroethylene resin as an insulating layer outside the conductor, and pass through a hot water tank, an air-cooled guide wheel passing groove, and a normal temperature water tank. The temperature of the hot water tank is 82 ° C. Air cooling The temperature of the guide wheel trough is normal temperature, the temperature of the normal temperature water tank is the ambient temperature, the temperature curves of each area of ...

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Abstract

The invention discloses a field operation anti-bending and anti-interference photoelectric mixed cable which comprises a shielding insulating cable core, a drainage wire, a force-bearing fiber, an optical unit, a total shielding layer and an outer sheath layer. The shielding insulating cable core, the drainage wire, the force-bearing fiber and the optical unit are distributed in the outer sheath layer, and the total shielding layer wraps the outside of the shielding insulating cable core and the optical unit. The invention further discloses a preparation method for the field operation anti-bending and anti-interference photoelectric mixed cable. An aluminum plastic composite belt is applied to serve as the shielding layer, so that the anti-interference effect of insulating wires is achieved besides prevention of interference and crosstalk between the insulating wires; the drainage wire is adopted to effectively guide signals, and the tensile strength of the cable is greatly improved by adopting an aramid fiber; a loose sleeve spiral steel tape armoring layer is adopted to effectively protect the optical unit, the cable is prevented from being flattened and broken, and the bending capability of the optical cable is improved. The laying requirements are remarkably met, the anti-bending and anti-interference capability is improved, and the field operation anti-bending and anti-interference photoelectric mixed cable is suitable for meeting the use requirements in the field operation environment.

Description

technical field [0001] The invention relates to a photoelectric hybrid cable, in particular to a field-combat anti-bending and interference photoelectric hybrid cable. [0002] The invention also relates to a preparation method of a field-bending and interference-resistant photoelectric hybrid cable. Background technique [0003] Due to the poor bending resistance of traditional optical cables, especially after being mixed with cables, the bending resistance is even worse, the transmission capacity of the cables is insufficient, and it is easy to crosstalk, but it cannot be removed due to the role of electricity transmission. Therefore, it is necessary to provide a new technical solution to solve the above problems. Contents of the invention [0004] In order to solve the above problems, the present invention provides a field anti-bending and interference photoelectric hybrid cable, which organically combines optical cables and cables, and meets the functions of anti-bend...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B11/22H01B11/08H01B7/17H01B7/18H01B13/00
Inventor 周正平陈辉张晓群张雪群季冬冬
Owner 江苏通光电子线缆股份有限公司
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