CN214671872U

CN214671872U - High-performance heat dissipation cable

Info

Publication number: CN214671872U
Application number: CN202022935529.6U
Authority: CN
Inventors: 张利君; 秦川; 蒋彪
Original assignee: Jiangsu Eleco Electronic Technology Co ltd
Current assignee: Jiangsu Eleco Electronic Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-11-09
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a high-performance heat dissipation cable, which comprises a conductor, wherein the conductor is externally extruded with an insulating layer; the conductor adopts a multi-piece copper stranded structure or a single-piece copper structure, wherein one half of the piece of shaped copper is a solid part, and the other half of the piece of shaped copper is a hollow part; the inner side edge of the hollow part is provided with grains. The product is suitable for external and internal use of new energy hybrid electric vehicles, electric vehicles and the like, and has various excellent performances of flame retardance, cooling, high and low temperature resistance, large current-carrying capacity, light weight, corrosion resistance, acid and alkali resistance, chemical substance resistance, oil resistance and the like.

Description

High-performance heat dissipation cable

Technical Field

The utility model relates to a wire and cable field, concretely relates to high performance heat dissipation cable.

Background

With the continuous development and growth of the new energy automobile industry, the electric new energy automobile is taken as one of important representatives of novel pollution-free automobiles; in recent years, China has been developing new energy industry, and for electric new energy automobiles, charging pile cables and high-voltage lines in automobiles are very important as energy transmission power lines. Ordinary new forms of energy fill electric pile cable and power line because of weight is heavy, and is bulky, and current-carrying capacity reason such as little lead to difficult the dragging when using, and crooked more difficult when leading to the installation need just can install through using great strength or dedicated tool.

In order to better assist the development of the electric new energy automobile, a high-performance heat dissipation cable is specially developed and developed by the department of China.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the high-performance heat-radiating cable is suitable for being used in the exterior and interior of new energy hybrid electric vehicles, electric vehicles and the like, and has multiple excellent performances of flame retardance, cooling, high and low temperature resistance, large current-carrying capacity, light weight, corrosion resistance, acid and alkali resistance, chemical substance resistance, oil resistance and the like.

In order to achieve the purpose, the utility model provides a high-performance heat dissipation cable, which comprises a conductor, wherein an insulating layer is extruded outside the conductor; the conductor adopts a multi-piece copper stranded structure or a single-piece copper structure, wherein one half of the piece of shaped copper is a solid part, and the other half of the piece of shaped copper is a hollow part; the inner side edge of the hollow part is provided with grains.

In a further improvement, a group of lines are arranged on the inner side edge of the hollow part at intervals of one meter, the lines are formed by combining a plurality of mushroom-shaped lines uniformly distributed on the shaped copper, and the height of each mushroom-shaped line is 1/3 of the width of the solid part.

The further improvement is that the insulating layer is a modified silicon rubber insulating layer, and the thickness of the insulating layer is not less than 1.5 mm.

In a further improvement, the number of the mushroom-shaped lines is determined according to the width of the copper.

Further improved, the mushroom-shaped line and the shaped copper are of an integral structure.

The beneficial effects of the utility model reside in that:

1. the conductor is in a special shape, the inside of the conductor is provided with grains, the contact area of the inside of the conductor is increased through the grains, and finally the conductor is cooled through gas or liquid;

2. the special-shaped conductor is formed by drawing, has lines inside, does not need welding, and has a seamless outer surface;

3. the special-shaped conductor is drawn into a hollow shape on one half side and is solid on the other half side, so that the current carrying capacity can be increased;

4. the grains are shaped like mushroom lines, so that the heat dissipation area can be increased by 30-50%, and the current carrying is improved by about 25%;

5. the insulating layer is a modified silicon rubber insulating layer, the thickness of the insulating layer is not less than 1.5mm, the insulating layer can work for a long time at-73-180 ℃, the insulating layer can still have elasticity for a plurality of weeks or more even at the temperature slightly higher than 200 ℃, the insulating layer can instantly resist the high temperature of more than 300 ℃, the air permeability is good, the oxygen transmission rate is the highest in synthetic polymers, and the heat dissipation performance can be improved by 15%.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of a conductor;

FIG. 3 is a schematic view of an expanded cross-sectional structure of a conductor;

fig. 4 is a schematic structural diagram of texture.

Detailed Description

The present invention will be further clarified by the following description with reference to the attached drawings and specific examples, which should be understood as being merely illustrative of the present invention and not limiting the scope of the present invention, and modifications of various equivalent forms of the present invention by those skilled in the art after reading the present invention, all fall within the scope defined by the appended claims of the present application.

As shown in fig. 1-4, a high-performance heat-dissipating cable comprises a conductor 1, an insulating layer 2 is extruded outside the conductor, the insulating layer is a modified silicon rubber insulating layer, the thickness of the insulating layer is not less than 1.5mm, the cable can work for a long time at-73 ℃ to 180 ℃, the cable can still have elasticity for weeks or longer even at the temperature slightly higher than 200 ℃, the cable can instantly resist the high temperature of more than 300 ℃, the air permeability is good, the oxygen transmission rate is highest in synthetic polymers, and the heat dissipation performance can be improved by 15%; the conductor adopts a multi-piece copper stranded structure or a single-piece copper 6 structure, one half of the type copper is a solid part 3, the other half of the type copper is a hollow part 4, the current carrying capacity can be increased, and the hollow structure enables the overall weight of the product to be reduced; the inner side edge of the hollow part is provided with grains 5, the contact area inside the hollow part is increased through the grains, and finally the hollow part is cooled through gas or liquid; the inner side edge of the hollow part at every other meter is provided with a group of lines, the structure of the lines is formed by combining 5-12 mushroom-shaped lines 7 which are uniformly distributed on the mould copper, the height of each mushroom-shaped line is 1/3 of the width of the solid part, the mushroom-shaped lines and the mould copper are of an integral structure, and the heat dissipation area can be increased by 30-50% and the current carrying can be improved by about 25% by drawing; when gas passes through the hollow part of the conductor, the grains can delay the gas to flow through, the heat is taken away to a greater extent, when the finished conductor is bent, the grains can play a counterforce to offset the acting force of the strip during bending, and the shape of the copper is effectively kept.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and improvements can be made without departing from the principle of the present invention, and these should also be considered as belonging to the protection scope of the present invention.

Claims

1. A high-performance heat dissipation cable comprises a conductor, wherein an insulating layer is extruded outside the conductor; the method is characterized in that: the conductor adopts a multi-piece copper stranded structure or a single-piece copper structure, wherein one half of the piece of shaped copper is a solid part, and the other half of the piece of shaped copper is a hollow part; the inner side edge of the hollow part is provided with grains.

2. The high performance heat dissipating cable of claim 1, wherein: the inner side edge of the hollow part at every other meter is provided with a group of lines, the structure of the lines is formed by combining a plurality of mushroom-shaped lines which are uniformly distributed on the shaped copper, and the height of each mushroom-shaped line is 1/3 of the width of the solid part.

3. The high performance heat dissipating cable of claim 1, wherein: the insulating layer is a modified silicon rubber insulating layer, and the thickness of the insulating layer is not less than 1.5 mm.

4. The high performance heat dissipating cable of claim 2, wherein: the number of the mushroom-shaped lines is determined according to the width of the copper mould.

5. The high performance heat dissipating cable of claim 2 or 4, wherein: the mushroom-shaped line and the shaped copper are of an integral structure.