CN104751996A - High-speed network data transmission cable for maritime affairs - Google Patents

Abstract

The invention discloses a high-speed network data transmission cable for maritime affairs. The cable comprises eight copper leads and a cross framework, wherein the copper leads are wrapped with semiconductor layers; four end strip parts are arranged at the four tail ends of the cross framework respectively; and each semiconductor layer comprises the following components in parts by weight: 100 parts of 1,3-butadiene, 55-58 parts of styrene, 28-30 parts of ethylene-vinyl acetate copolymer, 10-12 parts of ethylene-vinyl acetate copolymer grafted maleic anhydride copolymer, 8-10 parts of siloxane, 22-25 parts of fumed silica, 6-8 parts of copper powder, 1.2-1.6 parts of microcrystalline wax, 1.8-2 parts of titanium dioxide, 1-1.2 parts of 4,4'-bis-(alpha, alpha dimethyl benzyl) diphenylamine, 0.6-0.8 parts of dicumyl peroxide, 2.2-2.5 parts of triallyl cyanurate, and 3.2-3.5 parts of dilauryl thiodipropionate. The cable improves reflection and absorption of a high-frequency electromagnetic wave, improves crosstalk and signal attenuation, expands the bandwidth of absorption frequency, and improves the stability of product performance.

Description

Maritime affairs express network data transfer cable

Technical field

The present invention relates to super-network data transfer cable, be specifically related to a kind of maritime affairs express network data transfer cable.

Background technology

Along with information-based fast-developing, digital cable obtains further large-scale application, rapidly being doubled and redoubled and access network technology leapfrogging growth of network technology, also more and more higher to the requirement of data line, and people's progressively going deep into environmental protection ideas, traditional data line oneself can not meet digital audio-effect processing completely to high-resolution, high transfer rate, high color depth image and the requirement quite of digital sound, how to improve high-frequency electromagnetic wave reflection and absorption, improve cross-talk and signal attenuation, extend the bandwidth of absorption frequency and improve the stability of properties of product, become the direction that those skilled in the art make great efforts.

Summary of the invention

The object of this invention is to provide a kind of maritime affairs express network data transfer cable, this express network data transfer cable improves high-frequency electromagnetic wave reflection and absorption, improve cross-talk and signal attenuation, extend the bandwidth of absorption frequency and improve the stability of properties of product.

For achieving the above object, the technical solution used in the present invention is: a kind of maritime affairs express network data transfer cable, comprise: eight copper conductors and crossing skeleton, this copper conductor is all coated with semiconductor layer, in described eight copper conductors, two copper conductor composition first strands are to line, and two copper conductor composition second strands are to line; Two copper conductor composition the 3rd strands are to line; Two copper conductor composition the 4th strands are to line;

One polyester belt is coated on described crossing skeleton outer surface;

Described first strand lays respectively at four cavitys of crossing skeleton in line and the 4th strand to line to line, the 3rd strand to line, the second strand;

One one side aluminium foil layer is coated on described polyester belt outer surface;

Tincopper fuse wire braided armor is coated on described one side aluminium foil layer, and described tincopper fuse wire braided armor is woven by some strands of tinned wirds and forms, and described per share tinned wird is made up of at least one tinned copper wire;

One restrictive coating is coated on described tincopper fuse wire braided armor outer surface;

Described crossing skeleton four ends have four end bar portions respectively, and this crossing skeleton end is fixedly connected with in the middle part of end bar portion, and described crossing skeleton four corners all have circular arc chamfering face;

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

1,3-butadiene 100 parts,

Styrene 55 ~ 58 parts,

Ethylene-vinyl acetate copolymer 28 ~ 30 parts,

Ethylene-vinyl acetate copolymer grafted maleic anhydride copolymer 10 ~ 12 part,

Siloxanes 8 ~ 10 parts,

Fume colloidal silica 22 ~ 25 parts,

Copper powder 6 ~ 8 parts,

Microwax 1.2 ~ 1.6 parts,

Titanium dioxide 1.8 ~ 2 parts,

4,4 ' two (α, α dimethyl benzyl) diphenylamines 1 ~ 1.2 part,

Cumyl peroxide 0.6 ~ 0.8 part,

Triallyl cyanurate 2.2 ~ 2.5 parts,

Dilauryl thiodipropionate 3.2 ~ 3.5 parts.

In technique scheme, further improved plan is as follows:

1., in such scheme, described first strand is all coated with double-sided aluminum foil layer to line and the 4th strand to line outer surface to line, the 3rd strand to line, the second strand.

2., in such scheme, described tinned copper wire diameter is 0.13mm.

Due to the utilization of technique scheme, the present invention compared with prior art has following advantages:

1. maritime affairs express network data transfer cable of the present invention, it adopts special formulation 1,3-butadiene 100 parts, styrene 55 ~ 58 parts, ethylene-vinyl acetate copolymer 28 ~ 30 parts, form suitable viscosity, polarity is conducive to fume colloidal silica 22 ~ 25 parts, the dispersion that copper powder is 6 ~ 8 parts, reduce the volume resistivity of conductive rubber, the electromagnetic reflection of radioshielding effect and absorption are increased, secondly, its in conjunction with the first strand to line, second strand is to line, 3rd strand lays respectively in four cavitys of crossing skeleton to line and the 4th strand to line, crossing skeleton four ends have four end bar portions respectively, this crossing skeleton end is fixedly connected with in the middle part of end bar portion, described crossing skeleton four corners all have circular arc chamfering face, further minimizing high frequency roll off the production line between interference, thus improve cable near-end cross (NEXT) performance, in addition, crossing skeleton can reduce the change of cable physics and the electric property caused due to cable bend in installation process, rational bending radius can be ensured simultaneously.

2. maritime affairs express network data transfer cable of the present invention, its formula in 1,3-butadiene 100 parts, styrene 55 ~ 58 parts, ethylene-vinyl acetate copolymer 28 ~ 30 parts, fume colloidal silica 22 ~ 25 parts, adds cumyl peroxide 0.6 ~ 0.8 part in copper powder 6 ~ 8 parts, triallyl cyanurate 2.2 ~ 2.5 parts, dilauryl thiodipropionate 3.2 ~ 3.5 parts; Greatly can accelerate curingprocess rate, improve crosslink density, improve the heat resistance of vulcanizate, avoid owing to adding fume colloidal silica 20 ~ 25 parts, copper powder 5 ~ 10 parts produces similar sponge-type porosity, thus improves physical mechanical and mechanical property; Secondly, microwax 1.2 ~ 1.6 parts, titanium dioxide 1.8 ~ 2 parts, 4,4 ' two (α, α dimethyl benzyl) diphenylamines 1 ~ 1.2 part, is conducive to improving copper powder and 1,3-butadiene 100 parts, the intermiscibility that styrene is 55 ~ 58 parts, extends the bandwidth of absorption frequency and improves the stability of properties of product.

Accompanying drawing explanation

Accompanying drawing 1 is maritime affairs express network data transfer cable structural representation of the present invention.

In above accompanying drawing: 1, copper conductor; 2, semiconductor layer; 3, the first strand is to line; 4, the second strand is to line; 5, the 3rd strand is to line; 6, the 4th strand is to line; 7, polyester belt; 8, one side aluminium foil layer; 9, tincopper fuse wire braided armor; 10, double-sided aluminum foil layer; 11, crossing skeleton; 12, bar portion is held; 13, circular arc chamfering face.

Embodiment

Embodiment. a kind of maritime affairs express network data transfer cable, comprise: eight copper conductors 1 and crossing skeleton 11, this copper conductor 1 is all coated with semiconductor layer 2, and in described eight copper conductors 1, two copper conductor composition first strands are to line 3, and two copper conductor composition second strands are to line 4; Two copper conductor composition the 3rd strands are to line 5; Two copper conductor composition the 4th strands are to line 6;

One polyester belt 7 is coated on described crossing skeleton 11 outer surface;

Described first strand is twisted line 3, second and is laid respectively at four cavitys of crossing skeleton 11 in line 5 and the 4th strand to line 6 to line 4, the 3rd strand;

One one side aluminium foil layer 8 is coated on described polyester belt 7 outer surface;

Tincopper fuse wire braided armor 9 is coated on described one side aluminium foil layer 8, and described tincopper fuse wire braided armor 9 is woven by some strands of tinned wirds and forms, and described per share tinned wird is made up of at least one tinned copper wire;

One restrictive coating is coated on described tincopper fuse wire braided armor 9 outer surface;

Described crossing skeleton 11 4 ends have four end bar portions 12 respectively, and this crossing skeleton 11 end is fixedly connected with in the middle part of end bar portion 12, and described crossing skeleton 11 4 corners all have circular arc chamfering face 13;

Described semiconductor layer 2 is made up of the component of following weight portion:

Table 1

Above-mentioned first strand is twisted line 3, second and is all coated with double-sided aluminum foil layer 10 to line 5 and the 4th strand to line 6 outer surface to line 4, the 3rd strand.

Above-mentioned tinned copper wire diameter is 0.13mm.

When adopting above-mentioned maritime affairs express network data transfer cable, avoid owing to adding fume colloidal silica 20 ~ 25 parts, copper powder 5 ~ 10 parts produces similar sponge-type porosity, thus improves physical mechanical and mechanical property; Secondly, reduce the volume resistivity of conductive rubber, the electromagnetic reflection of radioshielding effect and absorption are increased; Secondly, it lays respectively at four cavitys of crossing skeleton in line and the 4th strand to line to line, the 3rd strand to line, the second strand in conjunction with the first strand, crossing skeleton four ends have four end bar portions respectively, this crossing skeleton end is fixedly connected with in the middle part of end bar portion, crossing skeleton can reduce the change of cable physics and the electric property caused due to cable bend in installation process, can ensure rational bending radius simultaneously; Again, microwax 1.2 ~ 1.6 parts, titanium dioxide 1.8 ~ 2 parts, 4,4 ' two (α, α dimethyl benzyl) diphenylamines 1 ~ 1.2 part, is conducive to improving copper powder and 1,3-butadiene 100 parts, the intermiscibility that styrene is 55 ~ 58 parts, extends the bandwidth of absorption frequency and improves the stability of properties of product.

Above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to Spirit Essence of the present invention change or modify, and all should be encompassed within protection scope of the present invention.

Claims (3)

1. a maritime affairs express network data transfer cable, it is characterized in that: comprising: eight copper conductors (1) and crossing skeleton (11), this copper conductor (1) is all coated with semiconductor layer (2), in described eight copper conductors (1), two copper conductor composition first strands are to line (3), and two copper conductor composition second strands are to line (4); Two copper conductor composition the 3rd strands are to line (5); Two copper conductor composition the 4th strands are to line (6);

One polyester belt (7) is coated on described crossing skeleton (11) outer surface;

Described first strand lays respectively at four cavitys of crossing skeleton (11) in line (5) and the 4th strand to line (6) to line (4), the 3rd strand to line (3), the second strand;

One one side aluminium foil layer (8) is coated on described polyester belt (7) outer surface;

Tincopper fuse wire braided armor (9) is coated on described one side aluminium foil layer (8), and described tincopper fuse wire braided armor (9) is woven by some strands of tinned wirds and forms, and described per share tinned wird is made up of at least one tinned copper wire;

One restrictive coating is coated on described tincopper fuse wire braided armor (9) outer surface;

Described crossing skeleton (11) four ends have four ends bar portion (12) respectively, and this crossing skeleton (11) end is fixedly connected with end bar portion (12) middle part, and described crossing skeleton (11) four corners all have circular arc chamfering face (13);

Described semiconductor layer (2) is made up of the component of following weight portion:

1,3-butadiene 100 parts,

Styrene 55 ~ 58 parts,

Ethylene-vinyl acetate copolymer 28 ~ 30 parts,

Ethylene-vinyl acetate copolymer grafted maleic anhydride copolymer 10 ~ 12 part,

Siloxanes 8 ~ 10 parts,

Fume colloidal silica 22 ~ 25 parts,

Copper powder 6 ~ 8 parts,

Microwax 1.2 ~ 1.6 parts,

Titanium dioxide 1.8 ~ 2 parts,

4,4 ' two (α, α dimethyl benzyl) diphenylamines 1 ~ 1.2 part,

Cumyl peroxide 0.6 ~ 0.8 part,

Triallyl cyanurate 2.2 ~ 2.5 parts,

Dilauryl thiodipropionate 3.2 ~ 3.5 parts.

2. maritime affairs express network data transfer cable according to claim 1, is characterized in that: described first strand is all coated with double-sided aluminum foil layer (10) to line (5) and the 4th strand to line (6) outer surface to line (4), the 3rd strand to line (3), the second strand.

3. maritime affairs express network data transfer cable according to claim 2, is characterized in that: described tinned copper wire diameter is 0.13mm.