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Deepwater submarine cable

A submarine cable and deep-water technology, which is applied in the direction of submarine cables, power cables, insulated cables, etc., can solve problems such as breakdown, electrical performance degradation of submarine cables, and large extrusion force of cable cores.

Pending Publication Date: 2021-10-29
ZHONGTIAN TECH SUBMARINE CABLE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Therefore, in the process of laying the above-mentioned submarine cable, the force on the bottom of the armor layer will be greater and greater, so that the internal cable core will be subjected to an increasing pressure. When the submarine cable is laid, the seabed The electrical performance of the cable will be degraded, and even breakdown will occur

Method used

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Embodiment Construction

[0035] In order to make the purposes, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments It is a part of the embodiments of this application, not all of them.

[0036] Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application. In the case of no conflict, the following embodiments and features in the embodiments can be combined with each other.

[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Back", "Left", "Right", "Verti...

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Abstract

The application provides a deepwater submarine cable. The deepwater submarine cable provided by the invention comprises cable cores, buffer supporting pieces, an optical fiber unit and a protection unit; the number of the cable cores is at least three. The buffer supporting pieces are arranged among the plurality of cable cores, and the hardness of the buffer supporting piece is smaller than that of the peripheral wall of the cable cores; the edge of each buffer supporting piece is provided with supporting parts and gaps which are distributed at intervals, the supporting parts are provided with accommodating spaces for accommodating the optical fiber units, and at least parts of the cable cores are located in the gaps; the protection unit wraps the cable cores, the buffer supporting pieces and the optical fiber unit, and the inner circumferential wall of the protection unit is attached to the outer circumferential wall of each cable core. The deepwater submarine cable has high electrical performance and is not easy to break down.

Description

technical field [0001] The present application relates to the technical field of electric wires and cables, in particular to a deep-water submarine cable. Background technique [0002] Submarine cables are wires wrapped with insulating materials and laid under the seabed and rivers for telecommunication transmission. Submarine cables are divided into submarine communication cables and submarine power cables. Submarine communication cables are mainly used for communication services, and submarine power cables are mainly used for underwater transmission of high-power electric energy. [0003] Most of the existing submarine cables include a cable core, an optical fiber unit, a filling unit and a protection unit. The cable core can be one or more. Both the fiber optic unit and the protection unit are located inside the protection unit, and the filling unit is filled between the cable core and the fiber unit. The cable core is the power unit, and the protection unit includes arm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/14H01B7/40H01B7/17H01B9/00H01B11/22H01B7/18G02B6/44
CPCH01B7/14H01B7/17H01B9/005H01B11/22H01B7/18Y02A30/00
Inventor 张洪亮胡明于洪淼严彦闫志雨赵囿林王丽媛顾春飞张小龙花炜
Owner ZHONGTIAN TECH SUBMARINE CABLE CO LTD
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