Submarine optical cable and manufacturing method and splicing method thereof

A technology for a submarine optical cable and a manufacturing method, which is applied in the directions of optics, light guides, optical components, etc., can solve the problems of small transmission capacity and small number of cores of submarine optical cables, and achieve the effect of increasing the number of cores and improving the transmission capacity.

Active Publication Date: 2021-04-09
ZHONGTIAN TECH SUBMARINE CABLE CO LTD
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  • Abstract
  • Description
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Problems solved by technology

[0004] However, the number of cores of the above-mentioned stranded submarine optical c

Method used

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  • Submarine optical cable and manufacturing method and splicing method thereof
  • Submarine optical cable and manufacturing method and splicing method thereof
  • Submarine optical cable and manufacturing method and splicing method thereof

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Embodiment Construction

[0091] In the related art, a stranded submarine optical cable structure is usually used to increase the number of cores of the submarine optical cable. The layer-stranded submarine optical cable includes multiple optical fiber bundle tubes and a central strength member. Multiple optical fiber bundle tubes are stranded on the central core strength member in a twisted manner. By adjusting the number of optical fiber bundle tubes and the number of optical fibers in the fiber Combination, thereby increasing the number of cores of the submarine optical cable. However, the fiber bundle tubes of the stranded submarine cable generally do not exceed 6, and the number of optical fibers in each fiber bundle generally does not exceed 48, resulting in a small number of cores and a small transmission capacity of the stranded submarine cable.

[0092] In view of the above problems, the cable core of the submarine optical cable provided by the embodiment of the present invention includes a ce...

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Abstract

The invention provides a submarine optical cable and a manufacturing method and a splicing method thereof, which relate to the technical field of optical cables, and aim to solve the technical problem of small transmission capacity of submarine optical cables. The submarine optical cable comprises a cable core, the cable core comprises a central layer stranding unit and a plurality of outer layer stranding units, and the plurality of outer layer stranding units are stranded around the central layer stranding unit; the central layer stranding unit comprises a first unit core, the first unit core comprises a first central core and a plurality of first layer stranding tubes, and the plurality of first layer stranding tubes are stranded around the first central core; the outer layer stranding unit comprises a second unit core, the second unit core comprises a second central core and a plurality of second layer stranding tubes, and the plurality of second layer stranding tubes are stranded around the second central core. The submarine optical cable and the manufacturing method and the splicing method thereof are used for increasing the number of cores of the submarine optical cable, so that the transmission capacity of the submarine optical cable is improved.

Description

technical field [0001] The invention relates to the technical field of optical cables, in particular to a submarine optical cable, a manufacturing method and a splicing method thereof. Background technique [0002] As an important means of contemporary international communication, submarine optical cable has undertaken more than 90% of international communication services and is the main carrier of global information communication. With the increasing frequency of international information exchange, the requirements for the transmission capacity of submarine optical cables are also getting higher and higher. The transmission capacity of submarine optical cables mainly depends on the number of cores of submarine optical cables. [0003] A common submarine optical cable is a layer-stranded submarine cable. The layer-stranded submarine cable includes a plurality of bundle tubes equipped with optical fibers and a central strength member. Multiple bundle tubes are stranded on the...

Claims

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Application Information

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IPC IPC(8): G02B6/44G02B6/38
CPCG02B6/441G02B6/4413G02B6/4427G02B6/381G02B6/3816G02B6/3825
Inventor 邱兴宇顾春飞孙杰胡明蒋峰陈域楠
Owner ZHONGTIAN TECH SUBMARINE CABLE CO LTD
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