CN211828208U

CN211828208U - High-resistance mineral insulation power cable

Info

Publication number: CN211828208U
Application number: CN202020523286.2U
Authority: CN
Inventors: 陈利明
Original assignee: Guangxi Dacai Xingda Cable Co ltd
Current assignee: Guangxi Dacai Xingda Cable Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-10-30
Anticipated expiration: 2030-04-10

Abstract

The utility model belongs to the technical field of power cables and discloses a high-resistance mineral insulation power cable, which comprises a cable assembly, wherein a plurality of inner conductors are arranged, and are mutually wound together; the reinforcing ribs are arranged among the inner conductors; the buffer strip is arranged among the inner conductors, wherein the buffer strip, the reinforcing ribs and the inner conductors are mutually wound together; the shielding layer is wrapped outside the buffer strip, the reinforcing ribs and the inner conductor; the insulating water-blocking tape is wrapped outside the shielding layer; the inner protective layer is wrapped outside the insulating water-blocking tape; the outer sleeve is wrapped on the outer part of the inner protective layer. The utility model discloses a set up the strengthening rib, can improve the structural strength of cable, through setting up insulating water-blocking tape, can play the insulating effect that blocks water, conveniently lay under water, through setting up the buffering area, when the cable received pressure, extrude each other between buffering area and the inner conductor, the buffering area can play the effect of buffering, further protects the cable.

Description

High-resistance mineral insulation power cable

Technical Field

The utility model relates to a power cable technical field especially relates to a high resistant mineral insulation power cable.

Background

The wire cable in a broad sense is also referred to as a cable for short, and the cable in a narrow sense means an insulated cable. It can be defined as an aggregate consisting of: one or more insulated wire cores, and a coating layer, a total protective layer and an outer protective layer which can be respectively arranged on the insulated wire cores, and the cable can also be provided with additional conductors without insulation, so that the application field of the cable is wide, but the currently used cable has poor wear resistance and is not dragged frequently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome current defect, a high resistant mineral insulation power cable is provided, through setting up the strengthening rib, can improve the structural strength of cable, through setting up insulating water-blocking tape, can play the insulating effect that blocks water, conveniently lay under water, through setting up the buffering area, when the cable receives pressure, extrude each other between buffering area and the inner conductor, the buffering area can play the effect of buffering, further protect the cable, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a high resistant mineral insulation power cable, including cable subassembly, cable subassembly includes:

the outer surface of the inner conductor is provided with an insulating layer, the inner conductors are provided with a plurality of inner conductors, and the inner conductors are mutually wound together;

reinforcing ribs disposed between the plurality of inner conductors;

the buffer strip is arranged among the inner conductors, and the buffer strip, the reinforcing ribs and the inner conductors are mutually wound together;

the shielding layer is wrapped outside the buffer strip, the reinforcing ribs and the inner conductor;

the insulating water-blocking tape is wrapped outside the shielding layer;

the inner protective layer is wrapped outside the insulating water-blocking tape;

an outer sleeve wrapped outside the inner sheath.

As an optimal technical scheme of the utility model, the shielding layer with gap between buffer strip, strengthening rib and the inner conductor is used for filling the packing rope that blocks water.

As an optimized technical proposal of the utility model, the outer sleeve is a PE outer sleeve.

As an optimized technical scheme of the utility model, the strengthening rib is anti-guy wire.

As an optimized technical scheme of the utility model, the buffering area is the PE area.

The utility model discloses in the one or more technical scheme that provides, following technological effect or advantage have at least:

through setting up the strengthening rib, can improve the structural strength of cable, through setting up insulating water blocking tape, can play the insulating effect that blocks water, conveniently lay under water, through setting up the buffering area, when the cable receives pressure, extrude each other between buffering area and the inner conductor, the buffering area can play the effect of buffering, further protects the cable.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

fig. 1 is a perspective view of a high resistance mineral insulated power cable according to an embodiment of the present invention;

fig. 2 is a structural diagram of each layer of a high resistance mineral insulated power cable according to an embodiment of the present invention;

reference numbers in the figures: 1. a cable assembly; 2. reinforcing ribs; 3. a buffer zone; 4. an inner conductor; 5. an outer sleeve; 6. an inner protective layer; 7. an insulating water-blocking tape; 8. and a shielding layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

For better understanding of the above technical solutions, the following detailed descriptions will be provided in conjunction with the drawings and the detailed description of the present invention.

The first embodiment is as follows:

referring to fig. 1-2, the present invention relates to a high resistance mineral insulated power cable, which includes a cable assembly 1, wherein the cable assembly 1 includes:

the outer surface of the inner conductor 4 is provided with an insulating layer, a plurality of inner conductors 4 are arranged, and the plurality of inner conductors 4 are mutually wound together, so that the structure of the inner conductor 4 is firmer;

the reinforcing ribs 2 are arranged among the inner conductors 4, so that the structural strength of the cable can be improved, and when the cable is pulled, the reinforcing ribs 2 are not easy to deform, so that the cable can be prevented from being broken;

the buffer strip 3 is arranged among the inner conductors 4, the buffer strip 3, the reinforcing ribs 2 and the inner conductors 4 are mutually wound together, when the cable is pressed, the buffer strip and the inner conductors 4 are mutually extruded, and the buffer strip can play a buffer role and further protect the cable;

the shielding layer 8 is wrapped outside the buffer strip 3, the reinforcing ribs 2 and the inner conductor 4, and can play a role in shielding electromagnetic signals;

the insulating water-blocking tape 7 is wrapped outside the shielding layer 8, so that the insulating water-blocking tape 7 can play a role in insulating water blocking and is convenient to lay underwater;

the inner protective layer 6 is wrapped outside the insulating water-blocking tape 7;

outer tube 5, the parcel of outer tube 5 is in the outside of interior sheath 6, shielding layer 8 with the gap between buffer zone 3, strengthening rib 2 and the inner conductor 4 is used for filling the filling rope that blocks water, outer tube 5 is the PE outer tube, strengthening rib 2 is the tensile string, buffer zone 3 is the PE area.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high-resistance mineral insulation power cable is characterized in that: comprising a cable assembly (1), said cable assembly (1) comprising:

the outer surface of the inner conductor (4) is provided with an insulating layer, the inner conductors (4) are arranged in a plurality, and the inner conductors (4) are mutually wound together;

reinforcing ribs (2), wherein the reinforcing ribs (2) are arranged among the plurality of inner conductors (4);

the buffer strip (3) is arranged among the inner conductors (4), and the buffer strip (3), the reinforcing ribs (2) and the inner conductors (4) are mutually wound together;

the shielding layer (8), the shielding layer (8) wraps the buffer strip (3), the reinforcing ribs (2) and the inner conductor (4);

the insulating water-blocking tape (7) is wrapped outside the shielding layer (8) by the insulating water-blocking tape (7);

the inner protective layer (6), the inner protective layer (6) wraps the outside of the insulating water-blocking tape (7);

an outer sleeve (5), wherein the outer sleeve (5) is wrapped outside the inner sheath (6).

2. A high resistance mineral insulated power cable according to claim 1, characterized in that: the gaps between the shielding layer (8) and the buffer strip (3), the reinforcing ribs (2) and the inner conductor (4) are used for filling water-blocking filling ropes.

3. A high resistance mineral insulated power cable according to claim 2, characterized in that: the outer sleeve (5) is a PE outer sleeve.

4. A high resistance mineral insulated power cable according to claim 3, characterized in that: the reinforcing ribs (2) are tensile wires.

5. A high resistance mineral insulated power cable according to claim 4, characterized in that: the buffer belt (3) is a PE belt.