CN215298919U

CN215298919U - Light solid conductor cable

Info

Publication number: CN215298919U
Application number: CN202121671826.2U
Authority: CN
Inventors: 吴盈鑫; 蒋佳源; 朱君良
Original assignee: Yusheng Electric Co ltd
Current assignee: Yusheng Electric Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2021-12-24
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to the technical field of cables, especially, relate to a light-duty solid conductor cable, include: the periphery is the first electrically conductive core of circular structure, and the first electrically conductive core outside is equipped with a plurality of fan-shaped electrically conductive aluminium conductors, and a plurality of fan-shaped electrically conductive aluminium conductors enclose into the electrically conductive core of second of ring structure, and the outside cladding has the insulating layer in proper order of fan-shaped electrically conductive aluminium conductor, interior buffer layer, outer buffer layer and oversheath, and the surface that interior buffer layer is close to outer buffer layer is provided with first hemisphere arch, and the surface that outer buffer layer is close to interior buffer layer is provided with the hemisphere arch of second, the crisscross butt joint of the hemisphere arch of first hemisphere and the hemisphere arch of second, the utility model discloses a conductor of aluminum alloy material is as electrically conductive core, and light in weight, economic benefits is high, can play the effect of buffering external impact through setting up interior buffer layer and outer buffer layer to protect inside electrically conductive core, possess the practicality.

Description

Light solid conductor cable

Technical Field

The utility model relates to the technical field of cables, especially, relate to a light-duty solid conductor cable.

Background

Power cables (power cables), cables for transmitting and distributing electrical energy. The power transmission line is commonly used for urban underground power grids, leading-out lines of power stations, internal power supply of industrial and mining enterprises and underwater power transmission lines crossing rivers and sea. In the power lines, the specific gravity occupied by the cable is gradually increasing. The power cable is a cable product used for transmitting and distributing high-power electric energy in a main line of a power system, and comprises various insulated power cables with voltage grades of 1-500 KV and above.

The power cable is generally used outdoors or buried underground, and is easily damaged by external impact force, so that the safety of power transmission is seriously influenced.

In view of the above problems, the designer is actively making research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, and cooperating with the application of the theory, so as to create a light solid conductor cable, which is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a lightweight solid conductor cable is provided to solve the problems of the background art.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a lightweight solid conductor cable comprising: the periphery is the first electrically conductive core of circular structure, the first electrically conductive core outside is equipped with a plurality of fan-shaped electrically conductive aluminium conductors, and is a plurality of the electrically conductive core of second that the fan-shaped electrically conductive aluminium conductor encloses into the ring structure, the outside cladding has insulating layer, interior buffer layer, outer buffer layer and oversheath in proper order of fan-shaped electrically conductive aluminium conductor, interior buffer layer is close to the surface of outer buffer layer is provided with first hemisphere arch, outer buffer layer is close to the surface of interior buffer layer is provided with the hemispherical arch of second, first hemispherical arch with the crisscross butt joint of the hemispherical arch of second.

Further, the first conductive core is formed by twisting a single round conductive aluminum conductor or a plurality of round conductive aluminum conductors.

Furthermore, a water-resistant layer is arranged between the outer buffer layer and the outer sheath and is formed by wrapping water-resistant yarns.

Further, a metal armor layer is arranged between the water resisting layer and the outer sheath.

Further, the metal armor layer is a steel wire armor layer.

Further, the circular conductive aluminum conductor and the fan-shaped conductive aluminum conductor are both formed by high-conductivity hard aluminum wires with the conductivity of 62.5% IACS.

Further, the number of the fan-shaped conductive aluminum conductors is 8.

Furthermore, the inner buffer layer is provided with through holes which penetrate through the inner buffer layer, and the through holes are arranged between two adjacent first hemispherical bulges on the inner buffer layer at equal intervals along the length direction of the first conductive core.

Furthermore, the insulating layer and the outer sheath are both made of cross-linked polyethylene.

Furthermore, the inner buffer layer and the outer buffer layer are made of silicon rubber.

The utility model has the advantages that: the utility model discloses a conductive core cost of aluminium material will be less than conventional copper conductor, and the conductive core of aluminium material sets up in the open air with low costs, still use through buffer layer and outer buffer layer cooperation in the design, all be provided with hemispherical arch on inner buffer layer and the outer buffer layer, be provided with the clearance between the hemispherical arch, inner buffer layer and outer buffer layer are in the same place through hemispherical protruding butt joint, when taking place external striking, take place deformation through hemispherical arch and offset partial impact force, thereby form the protection to the conductive core of inside, and the practicality is possessed.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a light solid conductor cable according to an embodiment of the present invention;

fig. 2 is a cross-sectional view of a lightweight solid conductor cable in an embodiment of the invention;

fig. 3 is an enlarged view of a position a in the embodiment of the present invention.

Reference numerals: 1. a first conductive core; 2. a fan-shaped conductive aluminum conductor; 3. an insulating layer; 4. an inner buffer layer; 5. an outer buffer layer; 6. an outer sheath; 7. a first hemispherical protrusion; 8. a second hemispherical protrusion; 9. a water resistant layer; 10. a metal armor layer; 11. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

A lightweight solid conductor cable as shown in fig. 1-3, comprising: the cable is suitable for being erected outdoors or buried underground for power transmission, wherein the cost of the conductive core made of aluminum material is lower than that of a conventional copper conductor, and the conductive core made of aluminum material is low in outdoor erection cost, the utility model also discloses a design that the inner buffer layer 4 and the outer buffer layer 5 are matched for use by matching the inner buffer layer 4 and the outer buffer layer 5, all be provided with hemispherical protruding on interior buffer layer 4 and the outer buffer layer 5, be provided with the clearance between the hemispherical protruding, interior buffer layer 4 and outer buffer layer 5 through hemispherical protruding butt joint together, when the external striking of emergence, take place deformation through hemispherical protruding and offset partial impact force to form the protection to the electrically conductive core of inside.

More specifically, the first conductive core 1 is formed by twisting a single round conductive aluminum conductor or a plurality of round conductive aluminum conductors, wherein the single round conductive aluminum conductor is more easily matched with the outer fan-shaped conductive aluminum conductor 2 in shape, so that the processing is more convenient.

More specifically, a water-blocking layer 9 is arranged between the outer buffer layer 5 and the outer sheath 6, the water-blocking layer 9 is formed by wrapping water-blocking yarns, and the water-blocking layer 9 is added to prevent the cable buried underground from being affected by humidity, so that the service life of the cable is shortened.

In order to increase the tensile resistance of the cable, a metal armor layer 10 is arranged between the waterproof layer 9 and the outer sheath 6 and used for preventing the cable from generating too large sag when being erected outdoors.

As a preferable example of the above embodiment, the metal armor layer 10 is a steel wire armor layer, and the steel wire structure armor layer has a better tensile property.

More specifically, the circular conductive aluminum conductor and the fan-shaped conductive aluminum conductor 2 are each formed using a high-conductivity duralumin wire having a conductivity of 62.5% IACS.

More specifically, the number of the fan-shaped conductive aluminum conductors 2 is 8.

For more effective heat dissipation, be provided with the through-hole 11 that runs through on the interior buffer layer 4, through-hole 11 arranges on the interior buffer layer 4 between two adjacent first hemisphere archs 7 along 1 length direction equidistance of first electrically conductive core, because the resistivity of aluminium material will be higher than the copper product matter, so when being used for transmitting electric power, the heat of production is more, in the heat diffusion to the clearance between interior buffer layer 4 and the outer buffer layer 5 through setting up through-hole 11 inside, then diffuses away again.

More specifically, the insulating layer 3 and the outer sheath 6 are both made of cross-linked polyethylene, so that the insulating property and the ageing resistance are good.

More specifically, the inner buffer layer 4 and the outer buffer layer 5 are made of silicon rubber, and the heat resistance is good.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A lightweight solid conductor cable, comprising: the periphery is first electrically conductive core (1) of circular structure, first electrically conductive core (1) outside is equipped with a plurality of fan-shaped electrically conductive aluminum conductor (2), and is a plurality of fan-shaped electrically conductive aluminum conductor (2) encloses into the electrically conductive core of second of ring structure, fan-shaped electrically conductive aluminum conductor (2) outside cladding has insulating layer (3), interior buffer layer (4), outer buffer layer (5) and oversheath (6) in proper order, interior buffer layer (4) are close to the surface of outer buffer layer (5) is provided with first hemisphere arch (7), outer buffer layer (5) are close to the surface of interior buffer layer (4) is provided with the hemisphere protruding (8) of second, first hemisphere arch (7) with the crisscross butt joint of the hemisphere protruding (8) of second.

2. A light-weight solid conductor cable according to claim 1, characterized in that the first conductive core (1) is a single circular conductive aluminum conductor or a plurality of circular conductive aluminum conductors twisted.

3. A light-weight solid conductor cable according to claim 1, wherein a water-blocking layer (9) is arranged between the outer buffer layer (5) and the outer sheath (6), and the water-blocking layer (9) is formed by wrapping water-blocking yarn.

4. A lightweight solid conductor cable according to claim 3, characterized in that a metallic armouring layer (10) is arranged between the water-blocking layer (9) and the outer sheath (6).

5. A light-weight solid conductor cable according to claim 4, characterized in that the metallic armouring layer (10) is a steel wire armouring layer.

6. The lightweight solid conductor cable of claim 2, wherein the round conductive aluminum conductor and the fan-shaped conductive aluminum conductor (2) are each constructed of high conductivity duralumin wire having a conductivity of 62.5% IACS.

7. A lightweight solid conductor cable according to claim 1, characterized in that the number of the fan-shaped conductive aluminum conductors (2) is 8.

8. A lightweight solid conductor cable according to claim 1, wherein through holes (11) are provided through the inner buffer layer (4), and the through holes (11) are arranged at equal intervals along the length of the first conductive core (1) between two adjacent first hemispherical protrusions (7) on the inner buffer layer (4).

9. A lightweight solid conductor cable according to claim 1, wherein said insulating layer (3) and said outer sheath (6) are both of cross-linked polyethylene.

10. A lightweight solid conductor cable according to claim 1, characterized in that said inner buffer layer (4) and said outer buffer layer (5) are made of silicone rubber.