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Cold-resistant data transmission cable

A data transmission cable, cold-resistant technology, applied in the direction of insulated cables, communication cables, cables, etc., can solve problems such as pull-off, sheath cracking, flattening, etc., achieve round structure, reduce maintenance costs, and excellent low-temperature resistance Effect

Inactive Publication Date: 2020-09-04
JIANGSU HENGTONG WIRE & CABLE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention is to provide a cold-resistant data transmission cable whose cold-resistant grade can reach -70°C, which effectively solves the problem of flattening and breaking of existing products during laying and sheath cracking when laying and using in severe cold regions question

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] see figure 1 , this embodiment provides a cold-resistant data transmission cable, including a cable core composed of a stranded copper conductor 1 and a filling rope 7, a cold-resistant tape layer 3 wrapped on the outside of the cable core in turn, a cold-resistant inner sheath layer 4, copper Silk braiding layer 5 and cold-resistant outer sheath 6; wherein, the surface of the stranded copper conductor 1 is provided with an insulating layer 2, the cold-resistant tape layer 3 is a PE film, and the raw materials of the cold-resistant inner sheath layer 4 and the cold-resistant outer sheath 6 include: The following components in parts:

[0040]

[0041]

[0042] Wherein, the phenyl content in the methyl vinyl phenyl silicone rubber is 5-10%.

[0043] The preparation process of the above-mentioned cold-resistant inner sheath layer and cold-resistant outer sheath raw materials is as follows:

[0044] Use a silane coupling agent to couple silica and magnesium hydroxide,...

Embodiment 2

[0046] This embodiment provides a cold-resistant data transmission cable, which includes a cable core composed of a stranded copper conductor and a filling rope, a cold-resistant tape layer wrapped on the outside of the cable core, a cold-resistant inner sheath, a copper wire braid, and a cold-resistant Outer sheath; wherein, the surface of the stranded copper conductor is provided with an insulating layer, the cold-resistant tape layer is a PP film, and the raw materials for the cold-resistant inner sheath layer and the cold-resistant outer sheath include the following components by weight:

[0047]

[0048] Wherein, the phenyl content in the methyl vinyl phenyl silicone rubber is 5-10%.

[0049] The preparation process of the above-mentioned cold-resistant inner sheath layer and cold-resistant outer sheath raw materials is as follows:

[0050] Use a silane coupling agent to couple silica and magnesium hydroxide, then add the coupled silica and magnesium hydroxide together...

Embodiment 3

[0052] This embodiment provides a cold-resistant data transmission cable, which includes a cable core composed of a stranded copper conductor and a filling rope, a cold-resistant tape layer wrapped on the outside of the cable core, a cold-resistant inner sheath, a copper wire braid, and a cold-resistant Outer sheath; wherein, the surface of the stranded copper conductor is provided with an insulating layer, the cold-resistant tape layer is a PU film, and the raw materials for the cold-resistant inner sheath layer and the cold-resistant outer sheath include the following components by weight:

[0053]

[0054] Wherein, the phenyl content in the methyl vinyl phenyl silicone rubber is 5-10%.

[0055] The preparation process of the above-mentioned cold-resistant inner sheath layer and cold-resistant outer sheath raw materials is as follows:

[0056] Use a silane coupling agent to couple silica and magnesium hydroxide, then add the coupled silica and magnesium hydroxide together...

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Abstract

The invention discloses a cold-resistant data transmission cable, which comprises a cable core consisting of stranded conductors and filling ropes, and a cold-resistant belting layer, a cold-resistantinner sleeve layer, a metal braided layer and a cold-resistant outer sheath which sequentially wrap the outer side of the cable core, an insulating layer is arranged on the surface of the stranded conductors; raw materials of the cold-resistant inner sheath layer and the cold-resistant outer sheath comprise the following components by weight: 15-40 parts of methyl vinyl phenyl silicone rubber, 25-40 parts of 1, 4-polybutadiene rubber, 10-30 parts of linear low-density polyethylene, 3-9 parts of zinc oxide, 2-6 parts of calcium stearate, 2-8 parts of a cross-linking agent, 1-3 parts of an assistant cross-linking agent and 0.6-2 parts of an anti-aging agent. The content of phenyl in the methyl vinyl phenyl silicone rubber is 5-25%, and the 1, 4-polybutadiene rubber is cis-1, 4-polybutadienerubber. The cold-resistant grade of the cold-resistant data transmission cable can reach -70 DEG C, and the problems that an existing product is flattened and snapped during laying and a sheath cracks during laying and using in severe cold areas are effectively solved.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a cold-resistant data transmission cable. Background technique [0002] In recent years, the development of wire and cable varieties has shown a trend of diversification. It has changed from pure power transmission function to multi-function, that is, new features have been added according to different uses, such as: low-smoke and zero-halogen, low-smoke and low-halogen, Cold-resistant, waterproof, rodent-proof, termite-proof, etc., in some special occasions, it is even required that the cable has two or more comprehensive characteristics. [0003] In the alpine regions such as northern and western my country, the temperature in winter is low, the time is long, and the temperature difference between day and night is large. For example, the lowest temperature in Xinjiang is -40°C, the lowest temperature in Ningxia is -33°C, the lowest temperature in Shanxi is -28°C, and the lowest...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/18H01B7/22H01B7/28H01B11/00H01B11/02C08L83/07C08L9/00C08L23/08C08K13/06C08K3/22C08K5/098C08K7/26
CPCH01B7/28H01B7/18H01B7/228H01B11/002H01B11/02C08L83/04C08L9/00C08L2205/03C08K2003/2296C08K2003/2224C08L23/0815C08K13/06C08K3/22C08K5/098C08K7/26
Inventor 张波王国权耿靓靓贺秋辉毛宇飞邓立志张宏杰卢伟国彭勇昭
Owner JIANGSU HENGTONG WIRE & CABLE TECH
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