CN216902365U

CN216902365U - Crosslinked polyethylene insulated aluminum alloy power cable

Info

Publication number: CN216902365U
Application number: CN202123356958.9U
Authority: CN
Inventors: 赵萍
Original assignee: Qiqihar Shenjiang Cable Manufacturing Co ltd
Current assignee: Qiqihar Shenjiang Cable Manufacturing Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-07-05
Anticipated expiration: 2031-12-29

Abstract

The utility model relates to the technical field of cables and discloses a crosslinked polyethylene insulated aluminum alloy power cable which comprises a conductive electric core, wherein an insulating layer is fixedly arranged on the outer surface of the conductive electric core, a filling layer is fixedly arranged on the outer surface of the insulating layer, a winding layer is fixedly arranged on the outer surface of the filling layer, a crosslinked polyethylene insulating layer is fixedly arranged on the outer surface of the winding layer, a heat dissipation layer is fixedly arranged on the outer surface of the crosslinked polyethylene insulating layer, a protective layer is fixedly arranged on the outer surface of the heat dissipation layer, a compression ring is arranged on the outer surface of the aluminum alloy power cable, elastic fillers in the compression ring are firstly extruded, the elastic fillers have certain elasticity, the impact on the extrusion can be relieved, the cable is protected from being damaged, when the cable is manufactured, workers fix the conductive electric core by the insulating layer and separately fix the conductive electric core by the filling layer, the packing layer is tied by the winding layer, and the winding layer can also achieve the waterproof effect.

Description

Crosslinked polyethylene insulated aluminum alloy power cable

Technical Field

The utility model relates to the technical field of cables, in particular to a crosslinked polyethylene insulated aluminum alloy power cable.

Background

A cable is a wire product used to transmit electrical (magnetic) energy, information and perform electromagnetic energy conversion. 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. With the development of science and technology, a rare earth aluminum alloy cable appears, which is a cable product with a unique self-locking armor structure and the performance greatly surpasses that of the traditional copper core cable, wherein a rare earth high-iron aluminum alloy material is used as a conductor, flame-retardant silane crosslinked polyethylene is used as insulation, and the performance of the cable product is greatly improved.

When using, the existing crosslinked polyethylene insulated aluminum alloy power cable is used for randomly placing the internal electric core, and when the cable is powered on, the heat of the electric core can be accumulated on a certain point, so that the heat is too concentrated, the heat dissipation effect of the cable is poor, the cable can be influenced by the external environment when in use, and pressure is transmitted to the cable, so that the cable is deformed and damaged.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects in the prior art, the utility model provides the crosslinked polyethylene insulated aluminum alloy power cable which can effectively solve the problems that in the prior art, the heat dissipation effect is poor due to heat accumulation caused by random arrangement of the electric core in the cable, and the anti-extrusion effect of the cable is poor.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme:

the utility model discloses a crosslinked polyethylene insulated aluminum alloy power cable which comprises a conductive electric core, wherein an insulating layer is fixedly arranged on the outer surface of the conductive electric core, a filling layer is fixedly arranged on the outer surface of the insulating layer, a winding layer is fixedly arranged on the outer surface of the filling layer, a crosslinked polyethylene insulating layer is fixedly arranged on the outer surface of the winding layer, a heat dissipation layer is fixedly arranged on the outer surface of the crosslinked polyethylene insulating layer, and a protective layer is fixedly arranged on the outer surface of the heat dissipation layer.

Furthermore, the outer surface of the protective layer is fixedly provided with a compression ring, and the inner cavity of the compression ring is fixedly provided with elastic filler.

Furthermore, the material of the elastic filler is polyester elastomer, and the polyether ester thermoplastic elastomer has the characteristics of both rubber and thermoplastic engineering plastic, and has the characteristics of rubber at room temperature and thermoplastic at high temperature.

Furthermore, the conductive cell is in a pentagonal aluminum strip shape, and each cell can be better attached together by the pentagonal aluminum strip.

Furthermore, the material of the filling layer is silica gel resin, and the silica gel resin has the properties of no deformation, high temperature resistance, acid and alkali resistance, no expansion, good tensile force, good tearing strength and the like.

Furthermore, the heat dissipation layer is made of a metal heat dissipation sheet.

(III) advantageous effects

Compared with the known public technology, the technical scheme provided by the utility model has the following beneficial effects:

1. according to the utility model, through increasing the design with good heat dissipation effect, the filling layer is matched with the conductive electric core and the insulating layer, and the heat dissipation layer is matched with the crosslinked polyethylene insulating layer, so that the effect of good heat dissipation effect in the cable is realized, and the problem that the cable is self-ignited due to heat accumulation together when a plurality of electric cores are too close to each other is avoided.

2. According to the utility model, the protective layer is matched with the compression ring, and the compression ring is matched with the elastic filler, so that the cable has certain elasticity, the extrusion of the cable by external pressure can be relieved, the problem that the cable is extruded and deformed or damaged by external extrusion is avoided, and the compression resistance of the cable is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is an internal structural view of the present invention;

fig. 2 is a perspective structural view of a conductive cell in the embodiment;

FIG. 3 is a perspective view of a protective layer and a pressure-resistant ring in the embodiment;

FIG. 4 is an internal structural view of a compression ring in the embodiment;

the reference numerals in the drawings represent: 1. a conductive cell; 2. an insulating layer; 3. a filling layer; 4. a winding layer; 5. a crosslinked polyethylene insulating layer; 6. a heat dissipation layer; 7. a protective layer; 8. a compression resistant ring; 9. an elastomeric filler.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Examples

The cross-linked polyethylene insulated aluminum alloy power cable of the embodiment is shown in fig. 1 to 4, and comprises a conductive battery cell 1, wherein an insulating layer 2 is fixedly arranged on the outer surface of the conductive battery cell 1, a filling layer 3 is fixedly arranged on the outer surface of the insulating layer 2, a winding layer 4 is fixedly arranged on the outer surface of the filling layer 3, a cross-linked polyethylene insulating layer 5 is fixedly arranged on the outer surface of the winding layer 4, a heat dissipation layer 6 is fixedly arranged on the outer surface of the cross-linked polyethylene insulating layer 5, and a protective layer 7 is fixedly arranged on the outer surface of the heat dissipation layer 6.

As shown in fig. 3 and 4, the outer surface of the protective layer 7 is fixedly provided with a compression ring 8, and the inner cavity of the compression ring 8 is fixedly provided with an elastic filler 9.

As shown in fig. 4, the elastic filler 9 is made of polyester elastomer.

As shown in fig. 1 and 2, the conductive cell 1 is in the shape of a pentagonal aluminum strip.

As shown in fig. 1, the material of the filling layer 3 is silicone resin.

As shown in fig. 1, the heat dissipation layer 6 is made of a metal heat dissipation sheet.

In this implementation, this aluminum alloy power cable's externally mounted has anti-pressure ring 8, elastic filler 9 in the anti-pressure ring 8 receives the extrusion at first, be used for elastic filler 9 to have certain elasticity, the impact that receives when can slowing down the extrusion, the protection cable does not receive destruction, when making the cable, the staff will fix electrically conductive electric core 1 with insulating layer 2, and will fix it separately with filling layer 3, tie filling layer 3 with winding layer 4, and winding layer 4 can also reach waterproof effect, heat dissipation layer 6 can be with the inside temperature that produces with it conduction outside, prevent that inside temperature from rising, lead to the problem of cable spontaneous combustion.

To sum up, this aluminum alloy power cable's externally mounted has anti-pressure ring 8, elastic filler 9 in the anti-pressure ring 8 receives the extrusion at first, be used for elastic filler 9 to have certain elasticity, the impact that receives when can slowing down the extrusion, the protection cable does not receive destruction, when making the cable, the staff will fix electrically conductive electric core 1 with insulating layer 2, and will fix it separately with filling layer 3, tie filling layer 3 with winding layer 4, and winding layer 4 can also reach waterproof effect, heat dissipation layer 6 can be with the inside temperature that produces with it conduction outside, prevent that inside temperature from rising, lead to the problem of cable spontaneous combustion.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the corresponding technical solutions.

Claims

1. The utility model provides a crosslinked polyethylene insulating aluminum alloy power cable, includes electrically conductive electric core (1), its characterized in that: the utility model discloses a heat dissipation device, including conductive electric core (1), the fixed surface of insulating layer (1) installs insulating layer (2), the fixed surface of insulating layer (2) installs filling layer (3), the fixed surface of filling layer (3) installs winding layer (4), the fixed surface of winding layer (4) installs crosslinked polyethylene insulating layer (5), the fixed surface of crosslinked polyethylene insulating layer (5) installs heat dissipation layer (6), the fixed surface of heat dissipation layer (6) installs protective layer (7).

2. The power cable of claim 1, wherein the power cable comprises a cross-linked polyethylene insulated aluminum alloy cable, and the cross-linked polyethylene insulated aluminum alloy cable comprises: the outer surface of the protective layer (7) is fixedly provided with an anti-pressure ring (8), and the inner cavity of the anti-pressure ring (8) is fixedly provided with an elastic filler (9).

3. The power cable of claim 2, wherein the power cable comprises a cross-linked polyethylene insulated aluminum alloy cable, and the cross-linked polyethylene insulated aluminum alloy cable comprises: the elastic filler (9) is made of polyester elastomer.

4. The power cable of claim 3, wherein the cross-linked polyethylene-insulated aluminum alloy power cable comprises: the shape of the conductive electric core (1) is a pentagonal aluminum strip.

5. The power cable of claim 1, wherein the power cable comprises a cross-linked polyethylene insulated aluminum alloy cable, and the cross-linked polyethylene insulated aluminum alloy cable comprises: the material of filling layer (3) is silicone resin.

6. The power cable of claim 1, wherein the power cable comprises a cross-linked polyethylene insulated aluminum alloy cable, and the cross-linked polyethylene insulated aluminum alloy cable comprises: the heat dissipation layer (6) is made of a metal heat dissipation sheet.