CN104332244B - Environment-friendly flame-retardant anti-interference cable - Google Patents

Environment-friendly flame-retardant anti-interference cable Download PDF

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Publication number
CN104332244B
CN104332244B CN201410586536.6A CN201410586536A CN104332244B CN 104332244 B CN104332244 B CN 104332244B CN 201410586536 A CN201410586536 A CN 201410586536A CN 104332244 B CN104332244 B CN 104332244B
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China
Prior art keywords
groove
flame
retardant
layer
cable
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CN201410586536.6A
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CN104332244A (en
Inventor
周国庆
陆书东
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ANHUI MENTOR CABLE GROUP Co Ltd
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ANHUI MENTOR CABLE GROUP Co Ltd
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Abstract

The invention discloses an environment-friendly flame-retardant anti-interference cable. A lapping layer, a flame-retardant layer and a sheath layer sequentially wraps the outside of a cable core, a first groove and a second groove are formed in the inner surfaces of the flame-retardant layer and the sheath layer respectively, metal coatings are arranged in the first groove and the second groove, and the sheath layer is made of low-smoke halogen-free polyolefin materials. On one hand, the metal coatings in the first groove and the second groove can function as a shielding layer, outside electromagnetic wave interference is prevented, on the other hand, the metal coatings are embedded into the flame-retardant layer and the sheath layer, the internal structure of the cable core is simplified, and the cost of cable materials is reduced. The environment-friendly flame-retardant anti-interference cable is simple in structure and fine in shielding performance and flame-retardant effect.

Description

A kind of environmental-protection flame-retardant Anti-interference cable
Technical field
The present invention relates to field of cable technology, more particularly, to a kind of environmental-protection flame-retardant Anti-interference cable.
Background technology
In power cable field, especially for the electric wire with information spreading function, it is easy in the course of the work be subject to To extraneous interference, also to around producing electromagnetic radiation, this has certain impact to the electrical performance of cable, is generally required for The outside cladding metal screen layer of core;Meanwhile, the high temperature of the working environment of cable conductor, also has very to the current capacity of cable Big impact, this generally coats the restrictive coating made using fire resistant flame retardant material outside cable core.
However, arranging multiple functional layers outside cable core, the construction of cable can be led to complicated, manufacture process is complicated, increasing material and becoming This, and cause the weight of final cable to increase, it is not easy to actual laying and the use of cable.
Content of the invention
In order to solve technical problem present in background technology, the present invention proposes a kind of anti-interference electricity of environmental-protection flame-retardant Cable, its structure is simple, advantages of good shielding performance, good flame retardation effect.
A kind of environmental-protection flame-retardant Anti-interference cable proposed by the present invention, including cable core, be coated on outside described cable core around Covering, it is coated on flame-retardant layer outside lapping layer, is coated on restrictive coating outside flame-retardant layer;Described cable core is stranded by multiple conducting wires Form, wire includes the conductor positioned at middle part and is coated on insulating barrier outside conductor, and conductor is stranded by many tinned copper wires Form, the inner surface of flame-retardant layer is provided with multiple first grooves axially extending, be provided with the first metal in described first groove and apply Layer, restrictive coating inner surface is provided with multiple second grooves axially extending, is provided with the second metal coating in described second groove, shield Jacket layer is made using low-smoke halogen-free polyolefin material.
Preferably, described first groove is uniformly distributed in the inner surface of flame-retardant layer.
Preferably, described second groove is uniformly distributed in the inner surface of restrictive coating.
Preferably, the first metal coating and the second metal coating are made using different metal material.
Preferably, the first groove and the second groove location are interlocked.
Preferably, described cable core stranded forms using multiple conducting wires are regular.
In the present invention, the environmental-protection flame-retardant Anti-interference cable that proposed, coat successively outside cable core lapping layer, flame-retardant layer, And restrictive coating, the inner surface of flame-retardant layer and restrictive coating is respectively equipped with the first groove and the second groove, the first groove and the second groove Inside it is provided with metal coating, restrictive coating is made using low-smoke halogen-free polyolefin material.In said structure arrangement, on the one hand, Metal coating in first groove and the second groove can play the effect of screen layer, prevents external electromagnetic wave interference, the opposing party Face, metal coating embeds in flame-retardant layer and restrictive coating, simplifies cable core internal structure, reduces cable material cost.
Brief description
Fig. 1 is a kind of structural representation of environmental-protection flame-retardant Anti-interference cable proposed by the present invention.
Specific embodiment
As shown in figure 1, Fig. 1 is a kind of structural representation of environmental-protection flame-retardant Anti-interference cable proposed by the present invention.
With reference to Fig. 1, a kind of environmental-protection flame-retardant Anti-interference cable proposed by the present invention, including cable core, lapping layer 2, flame-retardant layer 3rd, restrictive coating 4;
Above-mentioned cable core by seven wires 1 regular stranded form, this stranded mode is layout type the most stable, external force It is difficult to change the combination layout between wire 1, wire 1 includes the conductor 11 positioned at middle part, and conductor 11 is twisted by many tinned copper wires Conjunction forms, and tinned copper wire ensure that the softness of cable, and makes conductor corrosion-resistant, the outside coated insulation layer 12 of conductor 11, Ensure mutually insulated between conductor 11;
Lapping layer 2 is wrapped to be tightly bound together seven wires 1 outside above-mentioned cable core, flame-retardant layer 3 be coated on around Outside covering 2, which ensure that the fire resistance of cable, the inner surface of flame-retardant layer 3 is provided with multiple first grooves axially extending, This first groove is uniformly distributed in the inner surface of flame-retardant layer 3, is provided with aluminum metal coating 30 in the first groove, and restrictive coating 4 is coated on Outside flame-retardant layer 3, it is made using low-smoke halogen-free polyolefin material it is ensured that nontoxic and environmentally safe in cable fire, shield The inner surface of jacket layer 4 is provided with multiple second grooves axially extending, and this second groove uniformly divides in the inner surface of restrictive coating 4 Cloth, is provided with copper metal coating 40 in the second groove, the first groove and the second groove location are interlocked.
In the present embodiment, the environmental-protection flame-retardant Anti-interference cable being proposed, coats lapping layer, fire-retardant successively outside cable core Layer and restrictive coating, the inner surface of flame-retardant layer and restrictive coating is respectively equipped with the first groove and the second groove, the first groove and second recessed It is provided with metal coating, restrictive coating is made using low-smoke halogen-free polyolefin material in groove.In said structure arrangement, a side Face, the metal coating in the first groove and the second groove can play the effect of screen layer, prevents external electromagnetic wave interference, another Aspect, metal coating embeds in flame-retardant layer and restrictive coating, simplifies cable core internal structure, reduces cable material cost.
In concrete structure design, this first groove is uniformly distributed in the inner surface of flame-retardant layer 3, is provided with aluminium in the first groove Metal coating 30, the second groove is uniformly distributed in the inner surface of restrictive coating 4, is provided with copper metal coating 40 in the second groove, and first Groove and the second groove location are interlocked, produced radiation in cable core work, are caught by aluminum metal coating 30 and copper metal coating 40 Obtain, thus cannot external environment radiate, realize the complementation of shield ranges, the enhancing of shield effectiveness;Equally, outside electromagnetic wave Interference also cannot be introduced into cable core;Meanwhile, aluminum metal coating 30 and copper metal coating 40 are in that wire extends, and therefore, greatly limit The vortex of inducting producing in metal coating, something which increases the current capacity of electric wire.
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto, Any those familiar with the art the invention discloses technical scope in, technology according to the present invention scheme and its Inventive concept equivalent or change in addition, all should be included within the scope of the present invention.

Claims (5)

1. a kind of environmental-protection flame-retardant Anti-interference cable is it is characterised in that including cable core, being coated on lapping layer outside described cable core (2), it is coated on the outside flame-retardant layer (3) of lapping layer (2), be coated on the outside restrictive coating (4) of flame-retardant layer (3);Described cable core by Multiple conducting wires (1) are stranded to be formed, and wire (1) includes the conductor (11) positioned at middle part and is coated on the outside insulation of conductor (11) Layer (12), conductor (11) is formed by many tinned copper wires are stranded, and the inner surface of flame-retardant layer (3) is provided with multiple the axially extending One groove, is provided with the first metal coating (30) in described first groove, restrictive coating (4) inner surface is provided with axially extend multiple Second groove, is provided with the second metal coating (40) in described second groove, the first groove and the second groove location are interlocked, restrictive coating (4) made using low-smoke halogen-free polyolefin material.
2. environmental-protection flame-retardant Anti-interference cable according to claim 1 is it is characterised in that described first groove is in flame-retardant layer (3) inner surface is uniformly distributed.
3. environmental-protection flame-retardant Anti-interference cable according to claim 2 is it is characterised in that described second groove is in restrictive coating (4) inner surface is uniformly distributed.
4. environmental-protection flame-retardant Anti-interference cable according to claim 1 is it is characterised in that the first metal coating (30) and Two metal coatings (40) are made using different metal material.
5. environmental-protection flame-retardant Anti-interference cable according to claim 1 is it is characterised in that described cable core adopts multiple conducting wires (1) regular stranded form.
CN201410586536.6A 2014-10-27 2014-10-27 Environment-friendly flame-retardant anti-interference cable Active CN104332244B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410586536.6A CN104332244B (en) 2014-10-27 2014-10-27 Environment-friendly flame-retardant anti-interference cable

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Application Number Priority Date Filing Date Title
CN201410586536.6A CN104332244B (en) 2014-10-27 2014-10-27 Environment-friendly flame-retardant anti-interference cable

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CN104332244A CN104332244A (en) 2015-02-04
CN104332244B true CN104332244B (en) 2017-01-25

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Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108538469A (en) * 2018-03-29 2018-09-14 李皆延 A kind of polyvinyl chloride signal wire
CN113393963B (en) * 2021-06-29 2022-07-12 晶锋集团股份有限公司 Multi-core flame-retardant crosslinked polyethylene cable material and preparation method thereof

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2858458B1 (en) * 2003-08-01 2006-01-21 Sagem FLAME RETARDANT ELECTRICAL CABLE WITH A MULTILAYER EXTERNAL SHEATH
CN103078416A (en) * 2013-01-22 2013-05-01 江苏东瑞磁材科技有限公司 Method for reducing eddy-current effect of magnetic steel
CN203134443U (en) * 2013-02-27 2013-08-14 武汉市黄鹤电线电缆一厂 Oil-proof heat-proof weather-proof type low-smoke halogen-free flame retardation track traffic cable
CN103854782A (en) * 2014-02-28 2014-06-11 安徽华联电缆集团有限公司 Environment-friendly medium-voltage fire-resistant power cable
CN204130249U (en) * 2014-10-27 2015-01-28 安徽蒙特尔电缆集团有限公司 A kind of environmental-protection flame-retardant Anti-interference cable

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PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of invention: An environmentally friendly flame retardant and anti-interference cable

Effective date of registration: 20200902

Granted publication date: 20170125

Pledgee: Wuwei branch of China Co truction Bank Corp.

Pledgor: ANHUI MENTOR CABLE GROUP Co.,Ltd.

Registration number: Y2020980005663

PE01 Entry into force of the registration of the contract for pledge of patent right
PC01 Cancellation of the registration of the contract for pledge of patent right

Date of cancellation: 20211009

Granted publication date: 20170125

Pledgee: Wuwei branch of China Co truction Bank Corp.

Pledgor: ANHUI MENTOR CABLE GROUP Co.,Ltd.

Registration number: Y2020980005663

PC01 Cancellation of the registration of the contract for pledge of patent right