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Cross-linked-polyethylene insulating optical-fiber composite three-core submarine power cable

A technology for submarine power cables and cross-linked polyethylene, which is applied in the directions of insulated cables, insulated conductors, communication cables, etc., to achieve the effects of reasonable design, simple structure, and reduced processing risks.

Inactive Publication Date: 2016-08-31
HENGTONG SUBMARINE POWER CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem mainly solved by the present invention is to provide a cross-linked polyethylene insulated optical fiber composite three-core submarine power cable, which can solve the above-mentioned problems existing in the existing power cables

Method used

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  • Cross-linked-polyethylene insulating optical-fiber composite three-core submarine power cable
  • Cross-linked-polyethylene insulating optical-fiber composite three-core submarine power cable

Examples

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Embodiment 1

[0019] A cross-linked polyethylene insulated optical fiber composite submarine power cable includes a cable core, an optical unit 10, a reinforced filling strip 8, a wrapping tape 9, an inner lining layer 11, an armor layer 12 and an outer coating layer 13.

[0020] There are three cable cores distributed in a star shape, and the wrapping tape 9 is wrapped around the outer circumference of the cable cores. The reinforced filling strip 8 is filled in the cable core gap inside the tape 9 , and a reserved hole 14 is arranged on it, and the optical unit 10 is placed in the reserved hole 14 . The reinforced filling strip 8 is made of PP material, which is hard and not easy to deform. It is filled in the cable gap of the product, on the one hand, it can ensure that the cabled product is dense and round; on the other hand, it can protect and fix the optical unit. function, and ensure that the optical unit is not damaged during the laying process. In addition, the diameter of the res...

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Abstract

The invention discloses a cross-linked-polyethylene insulating optical-fiber composite submarine power cable. The cable comprises a cable core, an optical unit, a reinforced filling strip, a wrapping tape, an inside liner, an armor layer and an outer covering layer, wherein the wrapping tape, the inside liner, the armor layer and the outer covering layer successively wrap outer sides of the cable core, the optical unit and the reinforced filling strip. The reinforced filling strip is filled in a cable core gap of an inner side of the wrapping tape and is provided with a preformed hole. The optical unit is placed in the preformed hole. By using the cross-linked-polyethylene insulating optical-fiber composite submarine power cable of the invention, the structure is simple; the design is reasonable; the reinforced filling strip is filled in the cable core gap and the optical unit is placed in the preformed hole of the reinforced filling strip so that on one hand, effects of protecting and fixing the optical unit are achieved, the optical unit can be prevented from being damaged during a laying process and a processing risk is reduced; and on the other hand, a degree of density and a spherical degree of a cabling product are increased.

Description

technical field [0001] The invention relates to the field of power cables, in particular to a cross-linked polyethylene insulated optical fiber composite three-core submarine power cable, which can be used as a 10-500kV three-core submarine power cable. Background technique [0002] At present, the common optical fiber composite three-core submarine power cable, such as the submarine power cable disclosed by CN 202394580 U, has a cable core composed of a water-blocking conductor and an inner shielding layer, an insulating layer, and an outer shielding layer arranged outside the water-blocking conductor in sequence. It is composed of a water-blocking buffer layer, an optical cable unit is arranged in the gap of the cable core, and the space around the optical cable unit is filled with fillers, and the filler and the power cable are successively provided with wrapping tape, inner cushion layer, armor layer and Outer layer. [0003] The processing technology of the existing op...

Claims

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Application Information

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IPC IPC(8): H01B11/22H01B11/16H01B7/18H01B7/282
CPCH01B11/22H01B7/18H01B7/1815H01B7/1895H01B7/2825H01B11/16
Inventor 宋光辉杨洪亮潘文林赵文博
Owner HENGTONG SUBMARINE POWER CABLE CO LTD
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