CN106297978A - Communication power supply integrated data cable - Google Patents

Abstract

The open a kind of communication power supply integrated data cable of the present invention, including: aluminum core, two electric power copper conductors, two data copper conductors and herringbone skeleton；Two data copper conductors are the most all coated with shield dielectric layer；Insulation foaming layer, one side aluminium foil layer and inner restrictive coating lay respectively in first, second, and third cavity of herringbone skeleton；Shield dielectric layer is made up of the component of following weight portion: polyvinyl chloride resin 100 parts, ethylene-vinyl acetate copolymer 40 ~ 60 parts, phthalic acid isodecyl ester 10 ~ 12 parts, polythiophene 15 ~ 20 parts, siloxanes 5 ~ 10 parts, fume colloidal silica 20 ~ 25 parts, cerium sesquioxide 0.5 ~ 1 part and antimony oxide 5 ~ 10 parts.The present invention improves reflection and the absorption of low-frequency electromagnetic wave, while improving cross-talk and signal attenuation, also improves the cross-link intensity of base material, has preferably stretching, the strength physical mechanical performance of tear.

Description

Communication power supply integrated data cable

Technical field

The present invention relates to comprehensive composite rope, be specifically related to a kind of communication power supply integrated data cable.

Background technology

In our existing comprehensive wiring system, generally use 4 pairs of ordinary numbers cables to surf the Net, data transmission etc., use local cable to enter wiring can to carry out the transmission of phone, voice etc., use generic coaxial cable to carry out Web TV, the watching of HDTV, above cable, wiring when, needs to influence each other in same pipeline concentric wiring, interfere.

Said structure and the limitation of wiring due to cable, therefore more and more prominent along with electromagnetic radiation and the Capacitance Coupled impact when low frequency, have a strong impact on the electric property of each cable, cause each cable comprehensive wiring to behind family, the networking speed of family, phone call quality, high definition picture definition etc. all can be influenced to different extents, and owing to each cable is all separate unit, throughout the year the most month after month send out warm, hot after, it is easily caused each cable sheath inter-adhesive etc., ultimately result in broken skin, even leak electricity, burn, final initiation fire.Solve reflection and absorption to low frequency shield effectiveness electromagnetic wave in comprehensive wiring system, and cross-talk and attenuation problem, become the direction that those skilled in the art make great efforts.

Summary of the invention

It is an object of the invention to provide a kind of communication power supply integrated data cable, this communication power supply integrated data cable improves reflection and the absorption of low-frequency electromagnetic wave, while improving cross-talk and signal attenuation, also improve the cross-link intensity of base material, there is preferably stretching, the strength physical mechanical performance of tear.

For reaching above-mentioned purpose, the technical solution used in the present invention is: a kind of communication power supply integrated data cable, including: aluminum core, two electric power copper conductors, two data copper conductors and herringbone skeleton；

Described aluminum core is coated with a layers of copper, and this layers of copper outer surface is coated with insulation foaming layer；

Said two data copper conductor is the most all coated with shield dielectric layer, one side aluminium foil layer two these shield dielectric layer outer surfaces of cladding；

Said two electric power copper conductor is the most all coated with insulating barrier, and these two insulating barriers are placed in parallel and place in " ∞ " font, are overlying on this two surface of insulating layer outside an inner restrictive coating；

Described insulation foaming layer, one side aluminium foil layer and inner restrictive coating lay respectively in first, second, and third cavity of herringbone skeleton；

Polyester belt is coated with described insulation foaming layer, one side aluminium foil layer, inner restrictive coating and gasket for packing surface；

Double-sided aluminum foil layer is coated with described polyester belt outer surface；

Flame-retardant layer is coated on described double-sided aluminum foil layer outer surface；

One external sheath layer is coated on described flame-retardant layer outer surface；

Described shield dielectric layer is made up of the component of following weight portion:

Polyvinyl chloride resin 100 parts,

Ethylene-vinyl acetate copolymer 40 ~ 60 parts,

Phthalic acid isodecyl ester 10 ~ 12 parts,

Polythiophene 15 ~ 20 parts,

Siloxanes 5 ~ 10 parts,

Fume colloidal silica 20 ~ 25 parts,

Cerium sesquioxide 0.5 ~ 1 part,

Antimony oxide 5 ~ 10 parts,

Asbestos wool 2 ~ 3 parts,

Antioxidant 1010 0.2 ~ 1 part,

Tissuemat E 1 ~ 2 part,

Titanium dioxide 1.8 ~ 2 parts,

4,4 ' double (α, α dimethyl benzyl) diphenylamines 1 ~ 1.5 part,

Cumyl peroxide 0.5 ~ 1 part.

In technique scheme, further improved plan is as follows:

In such scheme, between described flame-retardant layer and double-sided aluminum foil layer, it is provided with the metal screen layer being knitted to form by several aluminum-magnesium alloy wires.

Due to the utilization of technique scheme, the present invention compared with prior art has the advantage that

Communication power supply integrated data cable the most of the present invention, , it uses special formulation polyvinyl chloride resin 100 parts, ethylene-vinyl acetate copolymer 40 ~ 60 parts, phthalic acid isodecyl ester 10 ~ 12 parts, siloxanes 5 ~ 10 parts, fume colloidal silica 20 ~ 25 parts, cerium sesquioxide 0.5 ~ 1 part, antimony oxide 5 ~ 10 parts, antioxidant 1010 0.2 ~ 1 part, Tissuemat E 1 ~ 2 part, titanium dioxide 1.8 ~ 2 parts, 4, 4 ' double (α, α dimethyl benzyl) diphenylamines 1 ~ 1.5 part and cumyl peroxide 0.5 ~ 1 part, both the reflection to low frequency shield effectiveness electromagnetic wave and Absorption had been improve, enhance the electromagnetic wave shielding performance of data cable, improve again fire resistance；Secondly, it combines in first, second, and third cavity that insulation foaming layer, one side aluminium foil layer and inner restrictive coating lay respectively at herringbone skeleton, reduce further low frequency roll off the production line between interference, thus improve cable near-end cross (NEXT) performance.

Communication power supply integrated data cable the most of the present invention, polythiophene 15 ~ 20 parts, asbestos wool 2 ~ 3 parts is added further in above-mentioned formula, improve the cross-link intensity of base material, hot strength is increased, there is preferably stretching, the strength physical mechanical performance of tear, during burning, the amount of being fuming is low, prevents the second-time burning of material, further improves fire resistance.

Accompanying drawing explanation

Accompanying drawing 1 is communication power supply integrated data construction of cable schematic diagram of the present invention.

In the figures above: 1, aluminum core；2, electric power copper conductor；3, data copper conductor；4, herringbone skeleton；5, layers of copper；6, insulation foaming layer；7, shield dielectric layer；8, one side aluminium foil layer；9, insulating barrier；10, inner restrictive coating；11, polyester belt；12, double-sided aluminum foil layer；13, flame-retardant layer；14, external sheath layer；15, metal screen layer.

Detailed description of the invention

Embodiment. a kind of communication power supply integrated data cable, including: aluminum core 2, two data copper conductors 3 of 1, two electric power copper conductors and herringbone skeleton 4；

Described aluminum core 1 is coated with a layers of copper 5, and this layers of copper 5 outer surface is coated with insulation foaming layer 6；

Said two data copper conductor 3 is each all coated with shield dielectric layer 7, and an one side aluminium foil layer 8 is coated with two these shield dielectric layer 7 outer surfaces；

Said two electric power copper conductor 2 is each all coated with insulating barrier 9, and these two insulating barriers 9 are placed in parallel and place in " ∞ " font, are overlying on this two insulating barrier 9 surfaces outside an inner restrictive coating 10；

Described insulation foaming layer 6, one side aluminium foil layer 8 and inner restrictive coating 10 lay respectively in first, second, and third cavity of herringbone skeleton 16；

Polyester belt 11 is coated with described insulation foaming layer 6, one side aluminium foil layer 8, inner restrictive coating 10 and gasket for packing 4 surface；

Double-sided aluminum foil layer 12 is coated with described polyester belt 11 outer surface；

Flame-retardant layer 13 is coated on described double-sided aluminum foil layer 12 outer surface；

One external sheath layer 14 is coated on described flame-retardant layer 13 outer surface；

Described shield dielectric layer 7 is made up of the component of following weight portion:

Table 1

The metal screen layer 15 being knitted to form by several aluminum-magnesium alloy wires it is provided with between above-mentioned flame-retardant layer 13 and double-sided aluminum foil layer 12.

In the mixing cable of embodiment 1 ~ 4 combined power and data transmission, shield dielectric layer 7 performance is shown in Table 2:

Table 2

When using above-mentioned communication power supply integrated data cable, it had both improve the reflection to low frequency shield effectiveness electromagnetic wave and Absorption, enhances the electromagnetic wave shielding performance of data cable, improves again fire resistance；Secondly, it combines in first, second, and third cavity that insulation foaming layer, one side aluminium foil layer and inner restrictive coating lay respectively at herringbone skeleton, reduce further low frequency roll off the production line between interference, thus improve cable near-end cross (NEXT) performance；Again, improve the cross-link intensity of base material so that hot strength increases, have preferably stretching, the strength physical mechanical performance of tear, during burning, the amount of being fuming is low, prevents the second-time burning of material, further improves fire resistance.

Above-described embodiment only for technology design and the feature of the present invention are described, its object is to allow person skilled in the art will appreciate that present disclosure and to implement according to this, can not limit the scope of the invention with this.All equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.

Claims (2)

1. a communication power supply integrated data cable, it is characterised in that: including: aluminum core (1), two electric power copper conductors (2), two data copper conductors (3) and herringbone skeleton (4)；

Described aluminum core (1) is coated with a layers of copper (5), and this layers of copper (5) outer surface is coated with insulation foaming layer (6)；

Said two data copper conductor (3) is each all coated with shield dielectric layer (7), one side aluminium foil layer (8) two this shield dielectric layer (7) outer surfaces of cladding；

Said two electric power copper conductor (2) is each all coated with insulating barrier (9), and these two insulating barriers (9) are placed in parallel and place in " ∞ " font, are overlying on this two insulating barrier (9) surfaces outside an inner restrictive coating (10)；

Described insulation foaming layer (6), one side aluminium foil layer (8) and inner restrictive coating (10) lay respectively in first, second, and third cavity of herringbone skeleton (16)；

Polyester belt (11) is coated with described insulation foaming layer (6), one side aluminium foil layer (8), inner restrictive coating (10) and herringbone skeleton (4) surface；

Double-sided aluminum foil layer (12) is coated with described polyester belt (11) outer surface；

Flame-retardant layer (13) is coated on described double-sided aluminum foil layer (12) outer surface；

One external sheath layer (14) is coated on described flame-retardant layer (13) outer surface；

Described shield dielectric layer (7) is made up of the component of following weight portion:

Polyvinyl chloride resin 100 parts,

Ethylene-vinyl acetate copolymer 40 ~ 60 parts,

Phthalic acid isodecyl ester 10 ~ 12 parts,

Polythiophene 15 ~ 20 parts,

Siloxanes 5 ~ 10 parts,

Fume colloidal silica 20 ~ 25 parts,

Cerium sesquioxide 0.5 ~ 1 part,

Antimony oxide 5 ~ 10 parts,

Asbestos wool 2 ~ 3 parts,

Antioxidant 1010 0.2 ~ 1 part,

Tissuemat E 1 ~ 2 part,

Titanium dioxide 1.8 ~ 2 parts,

4,4 ' double (α, α dimethyl benzyl) diphenylamines 1 ~ 1.5 part,

Cumyl peroxide 0.5 ~ 1 part.

Communication power supply integrated data cable the most according to claim 1, it is characterised in that: it is provided with the metal screen layer (15) being knitted to form by several aluminum-magnesium alloy wires between described flame-retardant layer (13) and double-sided aluminum foil layer (12).