CN203444870U

CN203444870U - Photoelectric composite cable for power and data transmission

Info

Publication number: CN203444870U
Application number: CN201320336735.2U
Authority: CN
Inventors: 陈虹校; 金春敏; 石磊; 叶亚军; 王存良; 陆荷英
Original assignee: Jiangsu Hengtong Wire and Cable Technology Co Ltd
Current assignee: Jiangsu Hengtong Wire and Cable Technology Co Ltd
Priority date: 2013-06-13
Filing date: 2013-06-13
Publication date: 2014-02-19
Anticipated expiration: 2023-06-13

Abstract

This utility model discloses a photoelectric composite cable for power and data transmission, comprising an optical fiber unit consisting of four communication optical fibers within a loose sleeve, a first communication stranded wire pair, a second communication stranded wire pair, a first power wire pair, a second power wire pair and a pentagon framework. Four first copper conductors covered with insulating layers are stranded pairwise to form the first communication stranded wire pair and the second communication stranded wire pair, and four second copper conductors covered with insulating layers are stranded pairwise to form the first power stranded wire pair and the second power stranded wire pair. The surface of the pentagon framework is covered by a metal layer. An aluminum layer of an aluminum foil layer is internally positioned and forms an electric contact with the metal layer of the pentagon framework. A steel wire is tightly lapped on the outer surface of a shielding layer to form an armor layer, and a sheath layer covers the outer surface of the armor layer. The photoelectric composite cable for power and data transmission can effectively increase the 1% of the margin of the crosstalk of the communication cable, increase the 1dB margin of the loss , and increase the 1.5 % of the stability of the characteristic impedance.

Description

The optoelectronic composite cable with electric power and transfer of data

Technical field

The utility model relates to a kind of optoelectronic composite cable, relates in particular to a kind of optoelectronic composite cable with electric power and transfer of data.

Background technology

The structure of common single type telecommunication cable: its primary structure of cable is that copper conductor extrudes one deck insulation outward, stranding after single line pair twist, outside adopts the structure of polyolefin oversheath, said structure limitation due to telecommunication cable, in exterior finish distributing system, automated detection system, cause that stretching is large, quality is unstable, it is loaded down with trivial details to connect up, unreliable and affect serviceability.

Summary of the invention

The utility model provides a kind of optoelectronic composite cable with electric power and transfer of data, and this optoelectronic composite cable improves the surplus of communication cable cross-talk index 1% effectively, has even also improved the 1dB surplus of loss, increases by 1.5% stability of characteristic impedance; Also effectively prevent that external electromagnetic interference from entering cable, also stop internal signal to radiate, disturb the work of miscellaneous equipment, improved greatly return loss, characteristic impedance and the crosstalk attenuation of digital cable simultaneously simultaneously.

For achieving the above object, the technical solution adopted in the utility model is: a kind of optoelectronic composite cable with electric power and transfer of data, be positioned at fiber unit that four telecommunication optical fibers of loose sleeve pipe form, four the first copper conductor that is coated with insulating barrier stranded formation between two as the first communication twisted wire of information communication to, second communication twisted wire to, four the second copper conductor stranded formation between two that is coated with insulating barrier as the first electric power twisted wire of electric power transfer to, the second electric power twisted wire to pentagon star PP skeleton; Described pentagon star PP skeleton is followed successively by the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity in the counterclockwise direction, the metal-coated layer in described pentagon star PP skeleton surface, described fiber unit, the first communication twisted wire to, second communication twisted wire to, the first electric power twisted wire to, the second electric power twisted wire to laying respectively in described the first cavity, the second cavity, the 3rd cavity, the 4th cavity and the 5th cavity; One aluminium foil layer be coated described fiber unit, the first communication twisted wire to, second communication twisted wire to, the first electric power twisted wire to, the second electric power twisted wire to pentagon star PP skeleton pentagon star PP skeleton; One armour is coated aluminium foil layer outer surface, and a restrictive coating is coated on described armour outer surface;

The right pitch of described the first communication twisted wire is 15.2mm, and the right pitch of described second communication twisted wire is 13.7mm, and the right pitch of described the first electric power twisted wire is 14.4mm, and the right pitch of described the second electric power twisted wire is 12.9mm.

In technique scheme, further improve technical scheme as follows:

In such scheme, described the first communication twisted wire is 0.5mm to, second communication twisted wire centering the first copper conductor diameter, and described the first electric power twisted wire is 0.5mm to, second electric power twisted wire centering the second copper conductor sectional area ².

Because technique scheme is used, the utility model compared with prior art has following advantages:

1. the utility model optoelectronic composite cable, have the advantages that to substitute traditional single type telecommunication cable, its transmission characteristic can meet corresponding transmission requirement, because cable has adopted the new structure of anti-interference and stretch-proof, effectively improved the mutual interference of signal phase, environment for use is complicated and impact construction wiring and the problem used; Restrictive coating chance water due to cable does not decompose simultaneously, greatly facilitating emergency maintenance, improve maintenance efficiency and repair quality, is a kind of new product with development prospect, the performance index of product meet products standards requirement, have obvious economic benefit and promotional value.

2, the utility model optoelectronic composite cable, the metal-coated layer in its pentagon star PP skeleton surface, thereby the aluminium lamination of aluminium foil layer is positioned at inner side to be electrically contacted with the metal level formation of pentagon star PP skeleton, form five shielding closed inner chambers, effectively improve the surplus of communication cable cross-talk (NEXT, FEXT) index 1%, even also improve the 1dB surplus of loss (INSERTION LOSS), increased by 1.5% stability of characteristic impedance (IMPEDANCE); Also effectively prevent that external electromagnetic interference from entering cable, also stop internal signal to radiate, disturb the work of miscellaneous equipment, improved greatly return loss, characteristic impedance and the crosstalk attenuation of digital cable simultaneously simultaneously.

3, the utility model optoelectronic composite cable, it is as the first communication twisted wire pair of information communication, second communication twisted wire pair, the first electric power twisted wire pair as electric power transfer, the second electric power twisted wire is to adopting specific strand to arrange in pairs or groups to string pitch, reduce transmission of electric signals and on its loop, produced electromagnetic induction impact, greatly reduce the cross-talk of the communications cable, the electric field that wherein capacitive sensing produces has both positive and negative polarity, after adjacent two induction field stacks, can cancel each other, by theory, calculate, reduce mutual capacitively coupled, taken into account other electric parameter simultaneously, also avoided signal of telecommunication delay inequality to increase.

Accompanying drawing explanation

Accompanying drawing 1 is the utility model optoelectronic composite cable structural representation one;

Accompanying drawing 2 is the utility model optoelectronic composite cable structural representation two.

In above accompanying drawing: 2, telecommunication optical fiber; 3, fiber unit; 4, the first copper conductor; 41, the first communication twisted wire pair; 42, second communication twisted wire pair; 5, the second copper conductor; 51, the first electric power twisted wire pair; 52, the second electric power twisted wire pair; 6, pentagon star PP skeleton; 61, the first cavity; 62, the second cavity; 63, the 3rd cavity; 64, the 4th cavity; 65, the 5th cavity; 7, metal level; 8, aluminium foil layer; 10, restrictive coating; 111, insulating barrier; 112, insulating barrier.

Embodiment

Below in conjunction with drawings and Examples, the utility model is further described:

Embodiment: a kind of optoelectronic composite cable with electric power and transfer of data, comprising: the first copper conductor 4 stranded formation between two that fiber unit that four telecommunication optical fibers 2 form 3, four are coated with insulating barrier 111 as the first communication twisted wire of information communication to 41, second communication twisted wire to 42, four the second copper conductor 5 stranded formation between two that are coated with insulating barrier 112 as the first electric power twisted wire of electric power transfer to the 51, second electric power twisted wire to 52 and pentagon star PP skeleton 6; Described pentagon star PP skeleton 6 is followed successively by the first cavity 61, the second cavity 62, the 3rd cavity 63, the 4th cavity 64 and the 5th cavity 65 in the counterclockwise direction, described pentagon star PP skeleton 6 plated surfaces are covered with metal level 7, described fiber unit 3, the first communication twisted wire to 41, second communication twisted wire lays respectively in described the first cavity 61, the second cavity 62, the 3rd cavity 63, the 4th cavity 64 and the 5th cavity 65 52 the 51, second electric power twisted wire the 42, first electric power twisted wire; The coated described fiber unit 3, first of one aluminium foil layer being formed with PET film 82 by aluminium lamination 81 8 communicate by letter twisted wire to 41, second communication twisted wire to the 42, first electric power twisted wire to the 51, second electric power twisted wire to 52 and pentagon star PP skeleton 6, thereby the aluminium lamination 81 of described aluminium foil layer 8 is positioned at inner side, electrically contact with the metal level formation of pentagon star PP skeleton 6; One steel wire 9 is closely wrapped forms armour in described aluminium foil layer 8 outer surfaces, and a restrictive coating 10 is coated on described armour outer surface;

Described the first communication twisted wire to the 41 and first electric power twisted wire to 51 pitch be greater than second communication twisted wire to the 42 and second electric power twisted wire to 52 pitch, the right pitch of described the first twisted wire is greater than the right pitch of the 3rd twisted wire, and the right pitch of described the second twisted wire is greater than the right pitch of the 4th twisted wire;

Described the first communication twisted wire to 41, second communication twisted wire to the first copper conductor 4 diameters in 42 be less than described the first electric power twisted wire to the 51, second electric power twisted wire to the second copper conductor 5 diameters in 52.

Above-mentioned the first communication twisted wire is 15.2mm to 41 pitch, and described second communication twisted wire is 13.7mm to 42 pitch, and described the first electric power twisted wire is 14.4mm to 51 pitch, and described the second electric power twisted wire is 12.9mm to 52 pitch.

Above-mentioned the first communication twisted wire to 41, second communication twisted wire is 0.5mm to the first copper conductor 4 diameters in 42, described the first electric power twisted wire is 0.5mm to the 51, second electric power twisted wire to the second copper conductor 5 sectional areas in 52 ².

The material of above-mentioned pentagon star PP skeleton 6 is PP.

Above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection range of the present utility model with this.All equivalences of doing according to the utility model Spirit Essence change or modify, within all should being encompassed in protection range of the present utility model.

Claims

1. an optoelectronic composite cable with electric power and transfer of data, is characterized in that: comprising: the fiber unit (3) that four telecommunication optical fibers (2) form, the first copper conductor (4) stranded formation between two that four are coated with insulating barrier (111) as the first communication twisted wire of information communication to (41), second communication twisted wire to (42), four the second copper conductor (5) stranded formation between two that is coated with insulating barrier (112) as the first electric power twisted wire of electric power transfer to (51), the second electric power twisted wire to (52) and pentagon star PP skeleton (6), described pentagon star PP skeleton (6) is followed successively by the first cavity (61) in the counterclockwise direction, the second cavity (62), the 3rd cavity (63), the 4th cavity (64) and the 5th cavity (65), described pentagon star PP skeleton (6) plated surface is covered with metal level (7), described fiber unit (3), the first communication twisted wire is to (41), second communication twisted wire is to (42), the first electric power twisted wire is to (51), the second electric power twisted wire lays respectively at described the first cavity (61) to (52), the second cavity (62), the 3rd cavity (63), in the 4th cavity (64) and the 5th cavity (65), one aluminium foil layer (8) be coated described fiber unit (3), first communication twisted wire to (41), second communication twisted wire to (42), the first electric power twisted wire to (51), the second electric power twisted wire to (52) and pentagon star PP skeleton (6) pentagon star PP skeleton, one armour is coated aluminium foil layer (8) outer surface, and a restrictive coating (10) is coated on described armour outer surface,

Described the first communication twisted wire is 15.2mm to the pitch of (41), and described second communication twisted wire is 13.7mm to the pitch of (42), and described the first electric power twisted wire is 14.4mm to the pitch of (51), and described the second electric power twisted wire is 12.9mm to the pitch of (52).

2. optoelectronic composite cable according to claim 1, it is characterized in that: described the first communication twisted wire is 0.5mm to (41), second communication twisted wire to the first copper conductor (4) diameter in (42), and described the first electric power twisted wire is 0.5mm to (51), the second electric power twisted wire to the second copper conductor (5) sectional area in (52) ².