CN217086186U - High strength multilayer submarine cable structure - Google Patents

Abstract

The utility model provides a high strength multilayer submarine cable structure, including outer protection pipe fitting, its characterized in that, the inner wall connection of outer protection pipe fitting has the skeleton, the skeleton is latticed steel cable, the internal connection of skeleton has interior protection pipe fitting, interior protection pipe fitting is protective layer, supporting layer, filling layer and insulating layer by interior to outer in proper order, the internal connection of interior protection pipe fitting has the fiber sleeve, the inside intermediate position of fiber sleeve is connected with central reinforcement. The utility model discloses a protective layer is the polyethylene layer to reduce the sea water and soak and cause the damage, be the steel wire layer through the supporting layer, thereby the design of protection pipe fitting is supported in accomplishing, through setting up latticed skeleton outside protection pipe fitting inside wall, the direct action of dispersion sea water pressure to the submarine cable, and through the setting of filling the cream, avoid the optic fibre pipe to receive the hydraulic direct effort of sea water.

Description

High strength multilayer submarine cable structure

Technical Field

The utility model relates to a communication equipment's technical field specifically is a high strength multilayer submarine cable structure.

Background

Submarine cables (undersea cables) are cables wrapped with insulation that are laid on the sea floor for telecommunication transmission. Submarine cables are divided into submarine communication cables and submarine power cables, modern submarine cables are made of optical fibers and used for transmitting telephone and internet signals, and submarine cables are divided into submarine communication cables and submarine power cables. Submarine communication cables are mainly used for communication services, are expensive, and have high confidentiality. The submarine power cable is mainly used for transmitting high-power electric energy underwater, has the same effect as an underground power cable, and is different from the submarine power cable in application occasions and laying modes. As submarine cable engineering is recognized by countries around the world as a complex and difficult large-scale project, complex technologies are applied from environmental exploration, marine physics surveys, and cable design, manufacture, and installation.

The existing submarine cable has general structural strength, is easy to deform after being acted by seawater pressure for a long time, and is not beneficial to laying and using.

SUMMERY OF THE UTILITY MODEL

The utility model mainly provides a high strength multilayer submarine cable structure for solve the technical problem who proposes among the above-mentioned background art.

The utility model provides a technical scheme that above-mentioned technical problem adopted does:

the utility model provides a high strength multilayer submarine cable structure, includes outer protection pipe fitting, its characterized in that, the inner wall connection of outer protection pipe fitting has the skeleton, the skeleton is latticed steel cable, the internal connection of skeleton has interior protection pipe fitting, interior protection pipe fitting is protective layer, supporting layer, filling layer and insulating layer by interior to outer in proper order, the internal connection of interior protection pipe fitting has fiber sleeve, the inside intermediate position of fiber sleeve is connected with central reinforcement.

Preferably, the protective layer is a polyethylene layer, thereby reducing damage caused by seawater infiltration.

Preferably, the supporting layer is a steel wire layer, so that the shaping and supporting of the inner protection pipe fitting are completed.

Preferably, the filling layer is a thermoplastic elastomer layer, so as to adapt to different optical fiber ferrules and prevent local bulges from causing inconvenience in installation.

Preferably, the insulating layer is a VPI impregnated resin layer, so that insulating protection is realized, and the leakage of the submarine cable is avoided.

Preferably, the optical fiber sleeve is connected with a plurality of optical fiber tubes in an equally-divided manner, and the outer parts of the optical fiber tubes are filled with filling paste, so that direct acting force applied to the optical fiber tubes is reduced.

Preferably, the outer part of the outer protection pipe fitting is coated with an asphalt layer, so that the corrosion effect of seawater on the submarine cable is reduced.

Compared with the prior art, the beneficial effects of the utility model are that:

be the polyethylene layer through the protective layer, thereby it causes the damage to reduce the sea water to soak, be the steel wire layer through the supporting layer, thereby the design of protection pipe fitting in the completion is supported, be thermoplastic elastomer layer through the filling layer, thereby adapt to different fiber sleeve, prevent that local arch from causing the installation inconvenient, be VPI impregnated resin layer through the insulating layer, thereby realize insulating protection, avoid the submarine cable electric leakage, through protecting the pipe fitting inside wall outside and setting up latticed skeleton, the direct action of dispersion sea water pressure to the submarine cable, and through the setting of filling the cream, avoid the fiber tube to receive the hydraulic direct effort of sea water.

The present invention will be explained in detail with reference to the drawings and specific embodiments.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

fig. 3 is the schematic view of the cross-sectional structure of the inner protection pipe of the present invention.

In the figure: 1. an outer protective tube; 11. a framework; 2. an inner protective tube; 21. a protective layer; 22. a support layer; 23. a filling layer; 24. an insulating layer; 3. a fiber optic ferrule; 31. an optical fiber tube; 32. filling paste; 33. a central stiffener.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully with reference to the accompanying drawings, in which several embodiments of the present invention are shown, but the present invention can be implemented in different forms, and is not limited to the embodiments described in the text, but rather, these embodiments are provided to make the disclosure of the present invention more thorough and comprehensive.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the use of the term knowledge in the specification of the present invention is for the purpose of describing particular embodiments and is not intended to limit the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1-3 heavily, a high strength multi-layer submarine cable structure comprises an outer protective tube 1, and is characterized in that an asphalt layer is coated on the outer portion of the outer protective tube 1 to reduce the corrosion of seawater on the submarine cable, the inner wall of the outer protective tube 1 is connected with a framework 11, the framework 11 is a latticed steel cable, the inner portion of the framework 11 is connected with an inner protective tube 2, the inner protective tube 2 sequentially comprises a protective layer 21, a supporting layer 22, a filling layer 23 and an insulating layer 24 from inside to outside, the protective layer 21 is a polyethylene layer to reduce the damage caused by seawater infiltration, the supporting layer 22 is a steel wire layer to complete the shaping support of the inner protective tube 2, the filling layer 23 is a thermoplastic elastomer layer to adapt to different optical fiber sleeves 3 and prevent the installation inconvenience caused by local bulges, the insulating layer 24 is a VPI impregnated resin layer, thereby realize insulating protection, avoid the submarine cable electric leakage, the internal connection of interior protection pipe fitting 2 has fiber optic casing 3, fiber optic casing 3's inside halving is connected with a plurality of optic fibre pipes 31, the outside packing of optic fibre pipe 31 has filling cream 32 to reduce the direct effort that fiber optic casing 31 received, the internal intermediate position of fiber optic casing 3 is connected with central reinforcement 33.

The utility model discloses a concrete operation as follows:

be the polyethylene layer through protective layer 21, thereby it causes the damage to reduce the sea water to soak, be the steel wire layer through supporting layer 22, thereby protect pipe fitting 2's design support in the completion, be thermoplastic elastomer layer through filling layer 23, thereby adapt to different fiber sleeve 3, prevent that local arch from causing the installation inconvenient, be VPI impregnated resin layer through insulating layer 24, thereby realize insulation protection, avoid the submarine cable electric leakage, through the 1 inside wall of protection pipe fitting outside setting up latticed skeleton 11, the direct action of dispersion sea water pressure to the submarine cable, and through the setting of filling cream 32, avoid fiber tube 31 to receive the hydraulic direct effort of sea water.

The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, if the method and the technical solution of the present invention are adopted, the present invention can be directly applied to other occasions without substantial improvement, and the present invention is within the protection scope of the present invention.

Claims (7)

1. The utility model provides a high strength multilayer submarine cable structure, includes outer protection pipe fitting (1), its characterized in that, the inner wall connection of outer protection pipe fitting (1) has skeleton (11), skeleton (11) are latticed steel cable, the internal connection of skeleton (11) has interior protection pipe fitting (2), interior protection pipe fitting (2) are protective layer (21), supporting layer (22), filling layer (23) and insulating layer (24) by interior outside to in proper order, the internal connection of interior protection pipe fitting (2) has fiber sleeve (3), the inside intermediate position of fiber sleeve (3) is connected with central reinforcement (33).

2. A high strength multilayer submarine cable structure according to claim 1, wherein said protective layer (21) is a polyethylene layer.

3. A high strength multilayer submarine cable structure according to claim 1, wherein said supporting layer (22) is a steel wire layer.

4. A high strength multi-layer submarine cable structure according to claim 1, wherein said filler layer (23) is a thermoplastic elastomer layer.

5. A high strength multilayer submarine cable structure according to claim 1, wherein the insulation layer (24) is a VPI impregnated resin layer.

6. A high strength multi-layer submarine cable structure according to claim 1, wherein the optical fiber tubes (31) are connected to the inner part of the optical fiber casing (3) in equal parts, and the outer part of the optical fiber tubes (31) is filled with a filling paste (32).

7. A high strength multi-layer submarine cable structure according to claim 1, wherein the outer protective tube (1) is coated on its outside with a bituminous layer.

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