CN220873270U - Cable and special-shaped structure conductor thereof - Google Patents

Abstract

The utility model relates to the field of cable wires, in particular to a cable and a conductor with a special-shaped structure thereof, wherein a first conductor layer is formed by splicing a plurality of tile-shaped blocks, a second conductor layer is formed by splicing a plurality of special-shaped blocks, a first conductor layer positioned in an inner layer is formed by splicing a plurality of tile-shaped blocks with the same shape, the stretching deformation required in the production process can be reduced, the production difficulty is reduced, a second conductor layer positioned in an outer layer is formed by a plurality of special-shaped blocks, two adjacent special-shaped blocks are fixedly clamped through concave parts and convex parts, the stability of the whole structure can be ensured, the concave parts can be finely adjusted according to the structure obtained by the production of the convex parts in the production process, and the production difficulty is further reduced. In addition, in the process of operation, a large amount of heat generated during the operation of the cable conductor can be taken away by introducing cooling liquid into the first through hole and the second through hole, and the working temperature of the cable conductor is reduced, so that the current-carrying capacity of the cable conductor is greatly improved.

Description

Cable and special-shaped structure conductor thereof

Technical Field

The utility model relates to the field of cable wires, in particular to a cable and a conductor with a special-shaped structure thereof.

Background

At present, a middle-low voltage cable conductor is generally manufactured by adopting a process of twisting Z-shaped and S-shaped monofilaments and compacting the Z-shaped and S-shaped monofilaments into a circular structure, but gaps among the twisted monofilaments adopted by the conventional Z-shaped and S-shaped monofilaments are small, the filling coefficient of a wire is large, the twisting outer diameter is small, but because the raw material of the drawn monofilaments is generally circular, the drawn monofilaments with larger shape change are required to be drawn, and the production process is difficult to control.

Disclosure of utility model

Based on the above, the utility model provides a cable with simpler production process and a special-shaped structure conductor thereof.

The technical scheme of the utility model is as follows: the utility model provides a special-shaped structure conductor, includes first conductor layer and second conductor layer, the lateral wall of first conductor layer with the laminating of the inside wall of second conductor layer, first conductor layer is by a plurality of tile type piece concatenation formation, the second conductor layer is by a plurality of dysmorphism piece concatenation formation, just first conductor layer with the cross section of second conductor layer is annular, the cross section of tile type piece is fan-shaped and a plurality of the cross section of tile type piece is the same each other, dysmorphism piece including set up in protruding portion and the concave part of dysmorphism piece both sides, adjacent two between the dysmorphism piece, one the protruding joint of dysmorphism piece in another the concave part of dysmorphism piece, first through-hole has been seted up to the tile type piece, the second through-hole has been seted up to the dysmorphism piece.

Optionally, the conductor layer further comprises an expanding element, and the expanding element is attached to the inner side wall of the first conductor layer.

Optionally, the concave part and the convex part are symmetrically arranged along a radial midline of the cross section of the special-shaped block.

Optionally, the cross section of the convex portion and the cross section of the concave portion are semicircular.

Optionally, at least two first through holes are formed in one tile.

Optionally, the plurality of first through holes are formed on the same circumferential surface of the tile-shaped block.

Optionally, at least two second through holes are formed in one special-shaped block.

Optionally, the plurality of second through holes of one special-shaped block are arranged on the same radial line of the cross section of the special-shaped block.

Another object of this embodiment is to provide a cable, including the aforesaid special-shaped structure conductor and from interior conductor shielding layer, insulating layer, nonmetal insulating shielding layer, metal shielding layer, band layer and restrictive coating that set gradually outward, special-shaped structure conductor locates in the conductor shielding layer, just the lateral wall of dysmorphism piece with the laminating of the inside wall of conductor shielding layer.

Compared with the prior art, the embodiment of the utility model has the following beneficial effects:

According to the cable and the special-shaped structure conductor thereof, the first conductor layer positioned on the inner layer is formed by splicing the tile-shaped blocks with the same shape, so that the stretching deformation required in the production process can be reduced, the production difficulty is reduced, the second conductor layer positioned on the outer layer is formed by the special-shaped blocks, the adjacent two special-shaped blocks are clamped and fixed through the concave part and the convex part, the stability of the whole structure can be ensured, the concave part can be finely adjusted according to the structure obtained by the convex part in the production process, and the production difficulty is further reduced. In addition, in the process of operation, a large amount of heat generated during the operation of the cable conductor can be taken away by introducing cooling liquid into the first through hole and the second through hole, and the working temperature of the cable conductor is reduced, so that the current-carrying capacity of the cable conductor is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of a conductor with a special-shaped structure according to an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a cable according to an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a special-shaped block in other forms according to an embodiment of the present utility model.

Reference numerals illustrate:

100. A conductor with a special-shaped structure,

1. A first conductor layer, 11, a tile, 111, a first via,

2. A second conductor layer 21, a special-shaped block 211, a convex part 212, a concave part 213, a second through hole,

3. The diameter-expanding element is provided with a hole,

200. A conductor shielding layer 300, an insulating layer 400, a nonmetallic insulating shielding layer 500, a metallic shielding layer 600, a wrapping tape layer 700 and a sheath layer.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model 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 terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like are used herein to describe various information, but such information should not be limited to these terms, which are merely used to distinguish one type of information from another. For example, a "first" message may also be referred to as a "second" message, and similarly, a "second" message may also be referred to as a "first" message, without departing from the scope of the utility model.

Referring to fig. 1, the present embodiment provides a conductor 100 with a special-shaped structure, which comprises a first conductor layer 1 and a second conductor layer 2, wherein the outer side wall of the first conductor layer 1 is attached to the inner side wall of the second conductor layer 2, the first conductor layer 1 is formed by splicing a plurality of tile-shaped blocks 11, the second conductor layer 2 is formed by splicing a plurality of special-shaped blocks 21, the cross sections of the first conductor layer 1 and the second conductor layer 2 are all annular, the cross sections of the tile-shaped blocks 11 are fan-shaped, the cross sections of the tile-shaped blocks 11 are identical, the special-shaped blocks 21 comprise a convex part 211 and a concave part 212 which are arranged on two sides of the special-shaped blocks 21, the convex part 211 of one special-shaped block 21 is clamped in the concave part 212 of the other special-shaped block 21 between two adjacent special-shaped blocks 21, the tile-shaped blocks 11 are provided with first through holes 111, and the special-shaped blocks 21 are provided with second through holes 213. The first conductor layer 1 in the inner layer is formed by splicing the tile-shaped blocks 11 with the same shape, the stretching deformation required in the production process can be reduced, the production difficulty is reduced, the second conductor layer 2 in the outer layer is formed by a plurality of special-shaped blocks 21, two adjacent special-shaped blocks 21 are fixedly clamped through the concave parts 212 and the convex parts 211, the stability of the whole structure can be ensured, the concave parts 212 can be finely adjusted according to the structure produced by the convex parts 211 in the production process, and the production difficulty is further reduced. In addition, in the operation process, a large amount of heat generated during the operation of the cable conductor can be taken away by introducing cooling liquid into the first through hole 111 and the second through hole 213, and the working temperature of the cable conductor is reduced, so that the current-carrying capacity of the cable conductor is greatly improved.

Preferably, referring to fig. 1, in the present embodiment, the special-shaped structure conductor 100 further includes an expanding element 3, and the expanding element 3 is attached to the inner side wall of the first conductor layer 1. On the one hand, the expanding element 3 is attached to the first conductor layer 1, which is beneficial to the skin effect of current when the cable works, improves the current density of the conductor and improves the current-carrying capacity of the cable conductor. On the other hand, the expansion element 3 and the second conductor layer 2 are fixed to the pad 11 of the second conductor layer 2 from both inner and outer sides, respectively, whereby the structural stability of the special-shaped structural conductor 100 can be improved.

Preferably, referring to fig. 1, in the present embodiment, the concave portion 212 and the convex portion 211 are each disposed along a radial center line of the cross section of the shaped block 21. The distances from the concave part 212 and the convex part 211 to the inner side and the outer side of the special-shaped block 21 are the same, and the influence on the stability of the whole structure in the production and processing process is reduced.

Preferably, referring to fig. 1, in the present embodiment, the cross sections of the convex portion 211 and the concave portion 212 are semicircular, so as to avoid collision damage when two adjacent special-shaped blocks 21 are connected due to sharp points. In other embodiments, referring to fig. 3, the convex portion 211 and the concave portion 212 may be triangular or have other shapes, so as to reduce the difficulty of production.

Preferably, referring to fig. 1, in this embodiment, there are at least two first through holes 111 in one tile 11. Specifically, in the present embodiment, the plurality of first through holes 111 are provided on the same circumferential surface of the shoe 11. During use, sufficient cooling can be formed in the circumferential direction by passing a cooling liquid through the first through hole 111.

Preferably, referring to fig. 1, in the present embodiment, there are at least two second through holes 213 in one special-shaped block 21. The plurality of second through holes 213 of one shaped block 21 are provided on the same radial line of the cross section of the shaped block 21. During use, adequate cooling can be provided in the circumferential direction by passing a cooling liquid through the second through holes 213.

Preferably, referring to fig. 3, the embodiment further discloses a cable, which includes the above-mentioned special-shaped structure conductor 100, and the conductor shielding layer 200, the insulating layer 300, the nonmetallic insulating shielding layer 400, the metal shielding layer 500, the taping layer 600 and the sheath layer 700 sequentially arranged from inside to outside, wherein the special-shaped structure conductor is arranged in the conductor shielding layer 200, and the outer side wall of the special-shaped block 21 is attached to the inner side wall of the conductor shielding layer 200.

The cable and the special-shaped structure conductor 100 of the embodiment have the following beneficial effects:

1. The first conductor layer 1 in the inner layer is formed by splicing the tile-shaped blocks 11 with the same shape, the stretching deformation required in the production process can be reduced, the production difficulty is reduced, the second conductor layer 2 in the outer layer is formed by a plurality of special-shaped blocks 21, two adjacent special-shaped blocks 21 are fixedly clamped through the concave parts 212 and the convex parts 211, the stability of the whole structure can be ensured, the concave parts 212 can be finely adjusted according to the structure produced by the convex parts 211 in the production process, and the production difficulty is further reduced.

2. In the operation process, a large amount of heat generated during the operation of the cable conductor can be taken away by introducing cooling liquid into the first through hole 111 and the second through hole 213, and the working temperature of the cable conductor is reduced, so that the current-carrying capacity of the cable conductor is greatly improved.

3. On the one hand, the expanding element 3 is attached to the first conductor layer 1, which is beneficial to the skin effect of current when the cable works, improves the current density of the conductor and improves the current-carrying capacity of the cable conductor. On the other hand, the expansion element 3 and the second conductor layer 2 are fixed to the pad 11 of the second conductor layer 2 from both inner and outer sides, respectively, whereby the structural stability of the special-shaped structural conductor 100 can be improved.

While the foregoing is directed to the preferred embodiments of the present utility model, it should be noted that modifications and variations could be made by those skilled in the art without departing from the principles of the present utility model, and such modifications and variations are to be regarded as being within the scope of the utility model.

Claims (9)

1. The utility model provides a special-shaped structure conductor, its characterized in that includes first conductor layer and second conductor layer, the lateral wall of first conductor layer with the inside wall laminating of second conductor layer, first conductor layer is by a plurality of tile type piece concatenation formation, the second conductor layer is by a plurality of dysmorphism piece concatenation formation, just first conductor layer with the cross section of second conductor layer is annular, the cross section of tile type piece is fan-shaped and a plurality of the cross section of tile type piece is the same each other, the dysmorphism piece including set up in convex part and the concave part of dysmorphism piece both sides, adjacent two between the dysmorphism piece, one the convex part joint of dysmorphism piece in another the concave part of dysmorphism piece, the first through-hole has been seted up to the tile type piece, the second through-hole has been seted up to the dysmorphism piece.

2. The profiled conductor as defined in claim 1, further comprising an expanding element that conforms to an inner sidewall of the first conductor layer.

3. The shaped structural conductor of claim 1, wherein the concave portion and the convex portion are each symmetrically disposed along a radial centerline of the shaped block cross section.

4. The shaped structural conductor of claim 1, wherein the convex portion and the concave portion are each semi-circular in cross-section.

5. The shaped structural conductor of claim 1, wherein there are at least two of said first vias in one of said tiles.

6. The shaped structure conductor of claim 5, wherein a plurality of said first through holes are provided on the same circumferential surface of said tile.

7. The shaped structural conductor of claim 1, wherein there are at least two of said second vias in one of said shaped blocks.

8. The shaped structural conductor of claim 7, wherein a plurality of said second through holes of a shaped block are disposed on the same radial line of the shaped block cross section.

9. A cable, comprising the special-shaped structure conductor as claimed in any one of claims 1-8, and a conductor shielding layer, an insulating layer, a nonmetallic insulating shielding layer, a metal shielding layer, a wrapping tape layer and a sheath layer which are sequentially arranged from inside to outside, wherein the special-shaped structure conductor is arranged in the conductor shielding layer, and the outer side wall of the special-shaped block is attached to the inner side wall of the conductor shielding layer.