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A medium-voltage heat dissipation cable, heat dissipation material for cables, and preparation method thereof

A cable and medium-voltage technology, which is applied in the field of heat dissipation cables and heat dissipation materials for cables and their preparation, and can solve problems such as general heat dissipation effects and increased cable outer diameters

Active Publication Date: 2020-10-27
SINOSTAR CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ampacity of the aluminum alloy conductor is much smaller than that of the copper conductor, so the cross section of the aluminum alloy conductor cable used in the design and installation is usually 1 or 2 sections larger than that of the copper conductor, resulting in an increase in the outer diameter of the cable and overall heat dissipation. General effect

Method used

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  • A medium-voltage heat dissipation cable, heat dissipation material for cables, and preparation method thereof
  • A medium-voltage heat dissipation cable, heat dissipation material for cables, and preparation method thereof

Examples

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Embodiment 1

[0043] Such as figure 1 As shown, the medium voltage heat dissipation cable of the present invention includes an aluminum alloy conductor 1, a conductor shielding layer 2 is provided outside the aluminum alloy conductor 1, and an insulating layer 3 is provided outside the conductor shielding layer 2. An insulating shielding layer 4 is provided on the outside of the insulating layer 3, which constitutes a conductive unit, the conductive unit is provided with one, and a semi-conductive mineral cushion layer 5 is wrapped around the conductive unit. The material cushion layer 5 is provided with a corrugated aluminum sleeve 6 with an asphalt anticorrosion layer. The corrugated aluminum sleeve 6 is provided with an outer sheath 7 with embossed patterns, and the outer sheath 7 is provided with heat dissipation. 涂层8。 Coating layer 8.

[0044] Such as figure 2 As shown, the medium voltage heat dissipation cable of the present invention includes an aluminum alloy conductor 1, a conductor ...

Embodiment 2

[0076] Such as figure 1 As shown, the medium voltage heat dissipation cable of the present invention includes an aluminum alloy conductor 1, a conductor shielding layer 2 is provided outside the aluminum alloy conductor 1, and an insulating layer 3 is provided outside the conductor shielding layer 2. An insulating shielding layer 4 is provided on the outside of the insulating layer 3, which constitutes a conductive unit, the conductive unit is provided with one, and a semi-conductive mineral cushion layer 5 is wrapped around the conductive unit. The material cushion layer 5 is provided with a corrugated aluminum sleeve 6 with an asphalt anticorrosive layer, and an outer sheath 7 with embossed patterns is provided on the outside of the corrugated aluminum sleeve 6, and a heat dissipation device is provided on the outside of the outer sheath 7 涂层8。 Coating layer 8.

[0077] Such as figure 2 As shown, the medium voltage heat dissipation cable of the present invention includes an al...

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Abstract

The invention relates to a medium voltage heat dissipation cable. The heat dissipation cable includes an aluminum alloy conductor, a conductor shielding layer, an insulating layer, an insulating shielding layer, a semi-conductive mineral cushion, an embossed aluminum sleeve with an asphalt anticorrosive coating, an outer sheath with embossed patterns and a heat dissipation coating layer; and the heat dissipation coating layer includes 54-65 parts of epoxy resin, 30-44 parts of organic silicone resin, 22-28 parts of polyethersulfone resin, 15-24 parts of heat dissipation powder, 10-18 parts ofFeO-SiO2 compound powder, 5-10 parts of modified micron order zirconia, 1-5 parts of a levelling agent, and 1-5 parts of a coupling agent. Through the changing of the structure of the cable and the application of a heat dissipation material, the heat dissipation of the cable can be effectively accelerated during the operation of the cable, the self-temperature of the cable can be reduced, the current-carrying capacity of the cable can be enhanced, and therefore, a conductor cross section and a cable outer diameter can be reduced.

Description

Technical field [0001] The invention relates to a cable and a material for the cable, in particular to a heat dissipation cable and a heat dissipation material for the cable and a preparation method thereof. Background technique [0002] In the wire and cable industry, copper and aluminum were mainly used as conductors in the past. Aluminum alloy is a conductor material that has only been widely used in recent years. In comparison, the electrical and mechanical properties of copper core conductors are better than those of aluminum and aluminum alloy conductors. However, the high price of copper materials has accelerated the application of aluminum alloy conductors. The electrical performance of aluminum alloy is equivalent to that of aluminum conductor, but its mechanical properties are completely better than aluminum conductor. However, the current carrying capacity of aluminum alloy conductors is much smaller than that of copper conductors. Therefore, the cross-section of alu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/02H01B7/18H01B7/17H01B7/42C09D163/00C09D183/04C09D181/06C09D7/62C09D7/61
CPCC08K2003/2244C08L2205/035C09D163/00C09D7/61C09D7/62H01B7/0208H01B7/17H01B7/1875H01B7/428C08L83/04C08L81/06C08K9/06C08K3/042C08K3/34C08K3/04C08K3/22
Inventor 杜南平姜一鑫刘学宝唐敏谢秀全周俊王亭
Owner SINOSTAR CABLE CO LTD