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Watertight and antiseptic power cable and manufacturing method thereof

A technology for power cables and manufacturing methods, which is applied in the field of watertight and anti-corrosion power cables, can solve problems such as inability to meet long-term, stable, reliable, and safe service requirements, insufficient anti-oxidation and anti-corrosion performance, and lack of anti-corrosion capabilities. Stable and timely transmission ability, beneficial to laying, good anti-oxidation and anti-corrosion effect

Active Publication Date: 2017-08-04
TBEA DEYANG CABLE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the cable formed by this technology has certain moisture-proof and waterproof characteristics, its anti-corrosion performance is poor. Functional structure - the functional structure lacks the corresponding anti-corrosion ability
It can be seen that although this technology has a certain waterproof function, its anti-corrosion performance is poor, and it cannot meet the long-term, stable, reliable and safe service requirements in water environment and / or humid environment, and its practicability is poor.

Method used

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  • Watertight and antiseptic power cable and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] see figure 1 As shown, the present invention includes a cable core, and the periphery of the cable core is coated with a cable core water-blocking layer 5, a protective layer 6, an armor layer 7, a graphene-asphalt layer 8, and a water-blocking isolation layer from the inside to the outside in sequence (Fig. Not shown in), flame retardant layer 9 and sheath layer 10.

[0043]Wherein, the cable core is mainly composed of three strands of insulated conductors and a filling compound 4 . Each insulated conductor is mainly composed of a conductor 1 and an insulating layer 3 coated outside the conductor 1. The insulating layer 3 is an extruded cross-linked polyethylene insulating material structure; the conductor 1 of the insulated conductor is a solid single aluminum Alloy conductor structure, its cross-section is fan-shaped with a circular angle of about 120°, that is, it is extruded from an aluminum alloy rod, and there is no other assembly structure on the cross-section;...

Embodiment 2

[0064] The other content of this embodiment is the same as that of Embodiment 1, except that the conductor section of the insulated conductor is a tile-shaped structure, arched radially outwards, and is in the shape of an arc segment, and the angle between the center of the arc segment-shaped tile-shaped conductor is about is 120°.

Embodiment 3

[0066] The other content of this embodiment is the same as that of Embodiment 1, except that the conductor cross section of the insulated conductor is a circular structure.

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Abstract

The present invention discloses a watertight and antiseptic power cable and a manufacturing method thereof. The power cable comprises a cable core. The cable core is mainly composed of a plurality of strands of insulated conductors. Each strand of insulated conductor is mainly composed of a conductor and an insulating layer coated outside the conductor, wherein the insulated conductor is of a single solid-core aluminum alloy conductor structure, and a conductor water-resistant layer is coated onto the conductor. The periphery of the cable core is sequentially coated with a cable core water-resistant layer, a protective layer, an armor layer, a grapheme-asphalt layer, a water blocking isolation layer, a flame-retardant layer and a sheath layer from inside to outside. According to the technical scheme of the invention, the long-acting, stable, reliable and safe service of the power cable can be realized in a water environment and / or a humid environment. Meanwhile, the power cable is high in practicability.

Description

technical field [0001] The invention relates to a power cable, in particular to a watertight and anti-corrosion power cable and a method for manufacturing the cable. The cable is particularly suitable for use in a water environment and / or a humid environment. Background technique [0002] As power transmission cables, power cables inevitably need to be laid and used in water environment (such as river bottom or seabed) and / or wet environment according to the working environment or cable erection route. However, water, the main component in water environment and / or humid environment, is relatively harmful or even fatal to cables; therefore, cables used in water environment and / or humid environments must consider the waterproofing of cables sex and corrosion resistance. [0003] Conventional waterproof and anti-corrosion power cables are mainly realized by setting a water-blocking layer and anti-corrosion sheath of functional structure around the cable core. The waterproof a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B9/00H01B7/28H01B7/282H01B7/288H01B7/295H01B13/00H01B13/02H01B13/22H01B13/26H01B13/14H01B5/02
CPCH01B5/02H01B7/28H01B7/2806H01B7/282H01B7/2825H01B7/288H01B7/295H01B9/006H01B13/00H01B13/0016H01B13/02H01B13/14H01B13/22H01B13/221H01B13/2613Y02A30/14
Inventor 宋明明贺治江刘永红安鑫淼杨春尧
Owner TBEA DEYANG CABLE CO LTD
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