CN219143163U

CN219143163U - High-power submarine optical cable based on multi-core optical fibers

Info

Publication number: CN219143163U
Application number: CN202320019838.XU
Authority: CN
Inventors: 金哲一
Original assignee: Shanghai Shengguang Photoelectric Science & Technology Co ltd
Current assignee: Shanghai Shengguang Photoelectric Science & Technology Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-06-06
Anticipated expiration: 2033-01-05

Abstract

The utility model discloses a high-power submarine optical cable based on multi-core optical fibers, and relates to the technical field of optical cables. The utility model includes; the protection component is connected to the compression-resistant component; the protection component comprises an insulating sheath, a water-blocking shielding layer connected to the inner side of the insulating sheath and attached to the inner wall, a plurality of copper wires connected to the inner side of the water-blocking shielding layer, a copper pipe connected to the inner end of the copper wire, a fixed optical fiber groove connected to the inner end of the copper pipe, an optical fiber connected to the inner end of the fixed optical fiber groove and a reinforcing piece connected to the inner end of the optical fiber, wherein the reinforcing piece comprises a reinforcing core, a steel core connected to the outer end of the reinforcing core and an aluminum layer connected to the outer end of the steel core. The utility model solves the problems that the electrical performance of the used submarine optical cable is not ideal in all occasions with high requirements for large ocean electric energy and signal transmission in China, the electrical performance of the submarine optical cable is improved by adopting the conventional submarine photoelectric composite cable, but the production cost is doubled and the submarine optical cable is not suitable for long-length production.

Description

High-power submarine optical cable based on multi-core optical fibers

Technical Field

The utility model relates to the technical field of optical cables, in particular to a high-power submarine optical cable based on multi-core optical fibers.

Background

With the continuous development of technology and continuous progress of communication technology, higher technical requirements are provided for submarine optical cables, the new requirements for submarine optical cable communication are provided for the development of 5G, big data, cloud computing and Internet of things, the requirements for high-capacity communication in the industry are more and more urgent, and the submarine optical cable technology with 1000 cores or more in China is mastered in European and American countries for a long time according to the research of the market in the prior art.

However, the following drawbacks still exist in practical use:

now, query Chinese patent for a submarine optical cable with 1700 core and installed optical fiber, publication number: CN111897074a, solves the problems of the conventional central tube type or layer-stranding submarine optical cable, such as 288 core layer-stranding submarine optical cable, which uses large-size stainless steel optical unit, and is produced by optical fiber coloring and looping, stainless steel tube making and stainless steel tube spiral layer stranding, where the optical fiber exists in a single form in the tube, and the optical fiber manufacturing and spiral stranding processes have the risks of optical unit deformation and optical fiber breakage.

But there are some defects, the electrical performance of the submarine optical cable used in the occasions with high requirements for the domestic large ocean electric energy and signal transmission is not ideal, the electrical performance of the submarine optical cable is improved by adopting the current common submarine photoelectric composite cable, but the production cost is doubled, and the submarine optical cable is not suitable for the production with a large length.

Therefore, the requirements in practical use cannot be met, so there is an urgent need in the market for improved techniques to solve the above problems.

Disclosure of Invention

The utility model aims to provide a high-power submarine optical cable based on a multi-core optical fiber, which solves the problems that the electrical performance of the submarine optical cable is not ideal in all occasions with high requirements on domestic ocean electric energy and signal transmission, the electrical performance of the submarine optical cable is improved, the production cost is doubled, and the submarine optical cable is not suitable for large-length production.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

the utility model relates to a high-power submarine optical cable based on multi-core optical fibers, which aims to solve the technical problems, and is realized by the following technical scheme:

the utility model relates to a high-power submarine optical cable based on multi-core optical fibers, which comprises the following components;

a compression resistant assembly;

the protection component is connected to the compression-resistant component;

the protection component comprises an insulating sheath, a water-blocking shielding layer connected to the inner side of the insulating sheath and attached to the inner wall, a plurality of copper wires connected to the inner side of the water-blocking shielding layer, copper pipes connected to the inner ends of the copper wires, a fixed optical fiber groove connected to the inner ends of the copper pipes, optical fibers connected to the inner ends of the fixed optical fiber groove and a reinforcing piece connected to the inner ends of the optical fibers.

Further, the reinforcement comprises a reinforcement core, a steel core connected to the outer end of the reinforcement core and an aluminum layer connected to the outer end of the steel core;

wherein, the outer end of the aluminum layer is connected with an optical fiber;

specifically, this device strengthens the core and is equipped with structural layer, HDPE oversheath layer and armor in proper order from inside to outside along strengthening the core outside, can increase the protection to the optic fibre of outer end, the fixed light wire groove is connected to the optic fibre outer end simultaneously can carry out further protection with optic fibre, this waterproof shielding layer is by the one deck semiconductive water blocking area around one deck shielding layer around the package group can protect the inner, the copper wire of inner is encircleed simultaneously and is connected, 24 copper wires with the same model specification of outer 30 form through the inlayer, the transposition direction is left, copper pipe parcel inner copper wire makes the middle-end structure of whole device more have wholeness and mechanical properties, satisfy the demand.

Further, the compression-resistant assembly comprises a first polypropylene rope and a second polypropylene rope connected to the inner end of the first polypropylene rope and attached to the rock wall;

specifically, the outer sheath of the optical cable of the device consists of the outermost sides of the first polypropylene rope and the second polypropylene rope, and bears the pressure of the external deep sea area, so that the cable at the inner end of the device is protected greatly, and the optical cable line at the inner end is also protected.

Further, the inner end of the second polypropylene rope is connected with asphalt by adhering to a rock wall, and the inner end of the asphalt is connected with an outer steel wire;

wherein, the inner end of the outer steel wire is connected with an insulating sheath;

specifically, the asphalt at the inner end of the device and an outer steel wire form further optical cable protection, the outer armor steel wire is coated with a first polypropylene rope and a second polypropylene rope, meanwhile, gaps between the polypropylene ropes and the insulation protection are filled with asphalt, and the asphalt coated on the surface of the galvanized steel wire layer can play a role in water resistance and corrosion resistance.

Further, the insulating sheath is extruded from high density polyethylene;

specifically, the device, the insulating sheath is formed by high density polyethylene extrusion, and the thickness is: 10.4mm, the material has excellent stress cracking resistance in seawater environment, excellent electrical performance, aging resistance, high and low temperature resistance and oxidation resistance, and the outer armor wire is single-layer or double-layer.

The utility model has the following beneficial effects:

the utility model is provided with the protection component, the reinforcing core is sequentially provided with the structural layer, the HDPE outer sheath layer and the armor layer from inside to outside along the outer side of the reinforcing core, the protection of the optical fiber at the outer end can be increased, meanwhile, the optical fiber can be further protected by connecting the fixed optical line groove at the outer end of the optical fiber, the inner end of the waterproof shielding layer can be protected by wrapping a layer of shielding layer wrapping group outside a layer of semiconductive water blocking layer, meanwhile, the copper wires at the inner end are connected in a surrounding manner, the copper wires with the same model specification are twisted through 24 copper wires at the inner layer and 30 copper wires at the outer layer, the twisting direction is left, and the copper wires at the inner end are wrapped by the copper pipes, so that the middle end structure of the whole device has more integrity and mechanical property, and meets the requirements.

Of course, it is not necessary for any one product to practice the utility model to achieve all of the advantages set forth above at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an external view of the present utility model;

FIG. 2 is a block diagram of a protective assembly of the present utility model;

FIG. 3 is a block diagram of the compression assembly of the present utility model

In the drawings, the list of components represented by the various numbers is as follows:

100. a compression resistant assembly; 110. a first polypropylene rope; 120. a second polypropylene rope; 130. asphalt; 140. an outer steel wire; 200. a protection component; 210. an insulating sheath; 220. a water blocking shielding layer; 230. copper wires; 240. copper pipe; 250. fixing the optical fiber groove; 260. an optical fiber; 270. a reinforcing member; 271. an aluminum layer; 272. a steel core; 273. and reinforcing the core.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Example 1

Referring to fig. 2, the present embodiment is a high-power submarine optical cable based on a multicore fiber, including;

a compression assembly 100;

a protection assembly 200 connected to the compression assembly 100;

the protection assembly 200 comprises an insulation sheath 210, a water-blocking shielding layer 220 connected to the inner side of the insulation sheath 210 and attached to the inner wall, a plurality of copper wires 230 connected to the inner side of the water-blocking shielding layer 220, copper tubes 240 connected to the inner ends of the copper wires 230, fixed optical fiber grooves 250 connected to the inner ends of the copper tubes 240, optical fibers 260 connected to the inner ends of the fixed optical fiber grooves 250, and a reinforcing member 270 connected to the inner ends of the optical fibers 260, wherein the reinforcing member 270 comprises a reinforcing core 273, a steel core 272 connected to the outer end of the reinforcing core 273, and an aluminum layer 271 connected to the outer end of the steel core 272;

wherein, the outer end of the aluminum layer 271 is connected with the optical fiber 260;

the protection assembly 200 is used:

the reinforced core 273 is sequentially provided with a structural layer, an HDPE outer sheath layer and an armor layer from inside to outside along the outer side of the reinforced core 273, so that the protection of the optical fiber 260 at the outer end can be increased, meanwhile, the optical fiber 260 can be further protected by the outer end of the optical fiber 260 through connecting and fixing the optical fiber groove 250, the inner end of the water-blocking shielding layer 220 can be protected by wrapping a layer of shielding layer by a layer of semi-conductive water-blocking belt, meanwhile, the copper wires 230 at the inner end are connected in a surrounding manner, the copper wires 230 with the same model specification as the outer layer 30 are twisted through 24 inner layers, the twisting direction is left, and the copper wires 230 at the inner end are wrapped by the copper tubes 240, so that the middle end structure of the whole device has more integrity and mechanical performance, and the requirement is met.

Example 2

As shown in fig. 3, and further comprises;

the compression-resistant assembly 100 comprises a first polypropylene rope 110 and a second polypropylene rope 120 connected to the inner end of the first polypropylene rope 110 and attached to a rock wall, wherein the inner end of the second polypropylene rope 120 is attached to a rock wall and connected with asphalt 130, and the inner end of the asphalt 130 is connected with an outer steel wire 140; wherein, the inner end of the outer steel wire 140 is connected with the insulating sheath 210.

The compression assembly 300 is used:

the outer sheath of the optical cable is composed of the outermost sides of the first polypropylene rope 110 and the second polypropylene rope 120, and bears the pressure of the external deep sea area, so that the cable at the inner end of the device is protected greatly, the outer armor wire 140 of the optical cable line at the inner end is also protected to cover the first polypropylene rope 110 and the second polypropylene rope 120, and meanwhile, gaps between the polypropylene ropes and the insulating sheath 210 are filled with asphalt 130.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A multi-core fiber-based high power undersea optical cable comprising:

a compression assembly (100);

a protection assembly (200) connected to the compression assembly (100);

the protection assembly (200) comprises an insulating sheath (210), a water-blocking shielding layer (220) connected to the inner side of the insulating sheath (210) and attached to the inner wall, a plurality of copper wires (230) connected to the inner side of the water-blocking shielding layer (220), copper tubes (240) connected to the inner ends of the copper wires (230), fixed optical fiber grooves (250) connected to the inner ends of the copper tubes (240), optical fibers (260) connected to the inner ends of the fixed optical fiber grooves (250) and reinforcing pieces (270) connected to the inner ends of the optical fibers (260).

2. The high power submarine optical cable based on multicore fibers according to claim 1, wherein the strength member (270) comprises a strength core (273), a steel core (272) connected to the outer end of the strength core (273), and an aluminum layer (271) connected to the outer end of the steel core (272);

wherein, the outer end of the aluminum layer (271) is connected with an optical fiber (260).

3. The multi-core fiber-based high power submarine optical cable according to claim 1, wherein the compression assembly (100) comprises a first polypropylene rope (110) and a second polypropylene rope (120) attached to the inner end of the first polypropylene rope (110) against the wall.

4. A high power submarine optical cable based on multicore optical fibers according to claim 3, wherein the inner end of the second polypropylene rope (120) is connected with asphalt (130) by a wall, and the inner end of the asphalt (130) is connected with an outer steel wire (140);

wherein, the inner end of the outer steel wire (140) is connected with the insulating sheath (210).

5. The multi-core fiber-based high power submarine cable according to claim 4, wherein said insulating jacket (210) is extruded from high density polyethylene.