CN219392981U

CN219392981U - Offshore superconductive wind power cable

Info

Publication number: CN219392981U
Application number: CN202320985418.7U
Authority: CN
Inventors: 王法波
Original assignee: Tianjin Huaxia Cable Co ltd
Current assignee: Tianjin Huaxia Cable Co ltd
Priority date: 2023-04-27
Filing date: 2023-04-27
Publication date: 2023-07-21
Anticipated expiration: 2033-04-27

Abstract

The utility model discloses an offshore superconductive wind electric cable, which particularly relates to the technical field of cables, and comprises a cable main body, wherein a connecting assembly is arranged in the cable main body, the connecting assembly comprises a plurality of first limiting reduction rings which are arranged in the cable main body and distributed along the circumference of the axis point of the cable main body, a plurality of second limiting reduction rings which are arranged in a triangular manner are distributed between the first limiting reduction rings and along the circumference of the axis point of the cable main body, when the first cable core and the second cable core deform, the first cable core and the second cable core can rotate properly in the cable main body through the first limiting reduction rings and the second limiting reduction rings respectively, torsion born by the first cable core and the second cable core is reduced, and the first cable core and the second cable core are prevented from being damaged.

Description

Offshore superconductive wind power cable

Technical Field

The utility model relates to the technical field of cables, in particular to an offshore superconductive wind power cable.

Background

Offshore wind power generation has been silently raised and will become an important energy form, the sea has abundant wind energy resources and wide and flat areas, the reserve of the Chinese offshore wind energy resources is far greater than that of land wind energy, and the reserve is 10m highThe available wind energy resource exceeds 7 x 10 ⁹ kW, and is very close to the center of the electrical load. Offshore wind power generation naturally becomes a new important energy development project, and is also a development focus of wind power generation, and in order to realize high-pressure low-flow transmission from an offshore wind power station to a land station, cables are required to be used for conveying.

Among them, the utility model patent with patent application number of CN202020021103.7 discloses a medium-voltage marine floating dynamic wind energy cable, which comprises: a plurality of power transmission cores and buoyancy filling bodies which are arranged in the semi-conductive buffering water-resisting layer (8), the outer part of the semiconductive buffer waterproof layer (8) is sequentially provided with a radial waterproof layer, an aramid fiber reinforced layer, an asphalt corrosion-resistant layer and an outer protective layer. When the structure is used, four buoyancy filling bodies matched with the power transmission core are adopted, and the buoyancy filling bodies comprise a center buoyancy filling body, so that the cable can float on the sea, but the cable can generate larger torsion on the sea due to sea waves and air quantity, and the cable is easy to damage in the long-term use, so that the power transmission is influenced.

Disclosure of Invention

The technical scheme of the utility model aims at the technical problem that the prior art is too single, and provides a solution which is obviously different from the prior art. In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides an offshore superconducting wind power cable, which aims to solve the problems presented in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an offshore superconducting wind power cable comprises a cable main body, wherein a connecting assembly is arranged in the cable main body; the connecting assembly comprises a plurality of first limiting reduction rings which are arranged in the cable main body and distributed along the periphery of the axis point of the cable main body, and a plurality of second limiting reduction rings which are arranged in a triangular shape are distributed among the first limiting reduction rings and along the periphery of the axis point of the cable main body; a plurality of first limiting reduction rings are respectively provided with a first cable core, and a plurality of second limiting reduction rings are respectively provided with a second cable core; the outer sides of the plurality of first limiting reduction rings are respectively and movably connected with first transition rings, the first transition rings are contacted, the outer sides of the plurality of second limiting reduction rings are respectively and movably connected with second transition rings, and the second transition rings are respectively contacted with the first transition rings.

According to the technical scheme, when the first cable core and the second cable core deform, the first cable core and the second cable core can rotate properly in the cable main body through the first limiting reduction ring and the second limiting reduction ring, torsion born by the first cable core and the second cable core is reduced, damage to the first cable core and the second cable core is avoided, friction force generated when the first limiting reduction ring and the second limiting reduction ring rotate is reduced through the first limiting reduction ring, the second limiting reduction ring, the first transition ring and the second transition ring, and the first cable core and the second cable core are smoother when torsion is reduced.

Optionally, in one possible implementation manner, a plurality of reinforcing ribs are distributed on the outer side of the cable main body and along the circumference of the axis point of the cable main body, an extrusion cavity for supporting the cable main body is arranged inside the cable main body, a plugging filling layer is filled on the outer side of the end portion of the cable main body, which is located on the first limiting reduction ring and the second limiting reduction ring, and a cavity is formed between the two plugging filling layers and located in the cable main body.

According to the technical scheme, the deformation resistance of the cable main body is improved through the arrangement of the extrusion cavity, the cable main body can be quickly reset when being stressed and deformed, and meanwhile, the cavity formed by the two plugging filling layers is used for enabling air in the cavity to be mutually extruded when the cable main body is stressed and deformed, so that the impact resistance of the cable main body is improved.

The utility model has the technical effects and advantages that:

through setting up coupling assembling, overall design is simple, and is rational in infrastructure, through the corresponding cooperation of each structure use, when first cable core and second cable core take place deformation, make first cable core and second cable core carry out suitable rotation in the cable main body respectively through first spacing ring and the spacing ring of subtracting of second, subdue the torsion that first cable core and second cable core received, avoid first cable core and second cable core damage;

the friction force generated when the first limit reducing ring and the second limit reducing ring rotate is reduced through the first limit reducing ring, the second limit reducing ring, the first transition ring and the second transition ring, so that the first cable core and the second cable core are smoother when torsion is reduced;

through the setting in extrusion chamber, improve cable main part's anti deformation performance, can reset fast when being convenient for cable main part atress deformation, simultaneously through the cavity that two shutoff filling layers formed for when cable main part atress deformation, the air in the cavity can extrude each other, improves cable main part's shock resistance.

Drawings

In order to more clearly illustrate the technical solutions of the present disclosure, the drawings that need to be used in some embodiments of the present disclosure will be briefly described below, and it is apparent that the drawings in the following description are only drawings of some embodiments of the present disclosure, and other drawings may be obtained according to these drawings to those of ordinary skill in the art. Furthermore, the drawings in the following description may be regarded as schematic diagrams, not limiting the actual size of the products, the actual flow of the methods, the actual timing of the signals, etc. according to the embodiments of the present disclosure.

Fig. 1 is a front view of the overall structure of the present utility model.

Fig. 2 is a side view of the overall structure of the present utility model.

Fig. 3 is a schematic view of the first and second cable cores of the present utility model mounted on the first and second limit relief rings.

Fig. 4 is a front view of a first limit relief ring, a second limit relief ring, a first transition ring, and a second transition ring of the present utility model.

The reference numerals are: 1. a cable body; 2. a first limit relief collar; 3. a second limit reducing ring; 4. a first transition ring; 5. a second transition ring; 6. a first cable core; 7. a second cable core; 8. reinforcing the protective ribs; 9. plugging the filling layer; 10. and extruding the cavity.

Detailed Description

The present utility model will be described in further detail below with reference to the drawings and preferred embodiments, so that those skilled in the art can better understand the technical solutions of the present utility model. All other embodiments, based on the embodiments of the utility model, which would be apparent to one of ordinary skill in the art without making any inventive effort are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the positional or positional relationship indicated by the terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the positional or positional relationship shown in the drawings, are merely for convenience of describing the utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus are not to be construed as limiting the utility model.

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

Example 1

In an embodiment, as shown in fig. 1-4, when the first cable core 6 and the second cable core 7 are subjected to torsion through the connection assembly arranged on the cable main body 1, the torsion to which the cable is subjected can be reduced through the rotation of the first limit reducing ring 2 and the second limit reducing ring 3 in the cable main body 1, and the specific structure of the assembly is as follows:

the connecting assembly comprises a plurality of first limiting reduction rings 2 which are arranged in the cable main body 1 and distributed along the circumference of the axis point of the cable main body 1, and a plurality of second limiting reduction rings 3 which are arranged in a triangular shape are distributed between the plurality of first limiting reduction rings 2 and along the circumference of the axis point of the cable main body 1; the first limiting and reducing rings 2 are respectively provided with a first cable core 6, and the second limiting and reducing rings 3 are respectively provided with a second cable core 7; the outer sides of the first limiting reduction rings 2 are respectively and movably connected with first transition rings 4, the first transition rings 4 are contacted, the outer sides of the second limiting reduction rings 3 are respectively and movably connected with second transition rings 5, and the second transition rings 5 are respectively contacted with the first transition rings 4.

According to the structure, when the cable main body 1 is distorted under the influence of sea waves and wind power in use, the first cable core 6 and the second cable core 7 are deformed under the torsion, and when the first cable core 6 and the second cable core 7 are deformed, the first cable core 6 and the second cable core 7 can rotate properly in the cable main body 1 through the first limiting reduction ring 2 and the second limiting reduction ring 3 respectively, so that the torsion received by the first cable core 6 and the second cable core 7 is reduced, and the damage of the first cable core 6 and the second cable core 7 is avoided; and when the first cable core 6 and the second cable core 7 rotate, the friction force generated when the first limit reducing ring 2 and the second limit reducing ring 3 rotate is reduced through the first limit reducing ring 2, the second limit reducing ring 3, the first transition ring 4 and the second transition ring 5, so that the first cable core 6 and the second cable core 7 are smoother when torsion is reduced.

Example 2

As shown in fig. 1-4, a plurality of reinforcing and protecting ribs 8 are distributed on the outer side of the cable main body 1 and along the circumference of the axis point of the cable main body 1, an extrusion cavity 10 for supporting the cable main body 1 is arranged in the cable main body 1, plugging filling layers 9 are filled on the outer sides of the first limiting and reducing rings 2 and the second limiting and reducing rings 3 at the end part of the cable main body 1, and a cavity is formed between the two plugging filling layers 9 and in the cable main body 1.

According to the structure, when the cable main body 1 is in use, the deformation resistance of the cable main body 1 is improved through the arrangement of the extrusion cavity 10, the cable main body 1 can be quickly reset when being subjected to stress deformation, and meanwhile, the cavity formed by the two plugging filling layers 9 is formed, so that air in the cavity can be mutually extruded when the cable main body 1 is subjected to stress deformation, and the impact resistance of the cable main body 1 is improved.

In the condition of prior art, this application discloses marine superconductive wind cable, when first cable core 6 and second cable core 7 take place the deformation, make respectively through first spacing ring 2 and the spacing ring 3 that subdues of second cable core 6 and second cable core 7 can carry out suitable rotation in cable main body 1, torsion that receives first cable core 6 and second cable core 7 is subducted, avoid first cable core 6 and second cable core 7 to damage, reduce the frictional force that each first spacing ring 2 and second spacing ring 3 that subdues produced through first spacing ring 3, first transition ring 4 and second transition ring 5 reduce, make first cable core 6 and second cable core 7 more smooth when subduing torsion, through the setting of extrusion chamber 10, the anti deformation performance of cable main body 1, can reset fast when being convenient for cable main body 1 atress deformation, simultaneously through the cavity that two shutoff filling layers 9 formed, when making cable main body 1 atress, the cable main body 1 can improve mutual air extrusion performance when the cavity, the cable main body 1 can be compressed each other.

The foregoing is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the utility model, but rather as various modifications, equivalent arrangements, improvements, etc., within the spirit and principles of the present utility model.

Claims

1. An offshore superconducting wind power cable, characterized in that: the cable comprises a cable main body (1), wherein a connecting component is arranged in the cable main body (1); the connecting assembly comprises a plurality of first limiting reduction rings (2) which are arranged in the cable main body (1) and distributed along the circumference of the axis point of the cable main body (1), and a plurality of second limiting reduction rings (3) which are arranged in a triangular shape are distributed between the plurality of first limiting reduction rings (2) and along the circumference of the axis point of the cable main body (1); the plurality of first limiting reduction rings (2) are respectively provided with a first cable core (6), and the plurality of second limiting reduction rings (3) are respectively provided with a second cable core (7).

2. An offshore superconducting wind power cable according to claim 1, wherein: the outer sides of the plurality of first limit reducing rings (2) are respectively and movably connected with first transition rings (4), and the first transition rings (4) are contacted.

3. An offshore superconducting wind power cable according to claim 2, wherein: the outer sides of the second limiting reduction rings (3) are respectively and movably connected with second transition rings (5), and each second transition ring (5) is respectively contacted with the first transition ring (4).

4. An offshore superconducting wind power cable according to claim 1, wherein: the cable is characterized in that a plurality of reinforcing protection ribs (8) are circumferentially distributed on the outer side of the cable main body (1) along the axis point of the cable main body (1).

5. An offshore superconducting wind power cable according to claim 1, wherein: an extrusion cavity (10) for supporting the cable body (1) is arranged in the cable body (1).

6. An offshore superconducting wind power cable according to claim 1, wherein: the cable is characterized in that the end part of the cable main body (1) is positioned at the outer sides of the first limiting reduction ring (2) and the second limiting reduction ring (3) and is filled with a plugging filling layer (9), and a cavity is formed between the two plugging filling layers (9) and positioned in the cable main body (1).