CN203444781U

CN203444781U - Anti-interference type composite cable for transmission of electric power and data

Info

Publication number: CN203444781U
Application number: CN201320336921.6U
Authority: CN
Inventors: 陈虹校; 金春敏; 石磊; 叶亚军; 王存良
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

The utility model discloses an anti-interference type composite cable for transmission of electric power and data, comprising a fiber unit, a first communication twisted pair, a second communication twisted pair, a first power twisted pair, a second power twisted pair and a pentagonal star skeleton, wherein the first communication twisted pair and the second communication twisted pair are used for information communication, and each communication twisted pair is formed by twisting two first copper wires coated with an insulating layer; the first power twisted pair and the second power twisted pair are used for power transmission, and each power twisted pair is formed by twisting two second copper wires coated with an insulating layer; a steel wire is tightly lapped on the outer surface of a shielding layer to form an armor layer; the pitch of each of the first communication stranded wire pair and the first power stranded wire pair is larger than that of each of the second communication stranded wire pair and the second power stranded wire pair, the pitch of a first stranded wire pair is larger than that of a second stranded wire pair, and the pitch of a second stranded wire pair is larger than that of a fourth stranded wire pair. The anti-interference type composite cable for transmission of electric power and data has the advantages that the anti-interference type composite cable is not easy to crack, is insoluble in water, and is anti-stretching and corrosion-resistant; the influence of special service environments and mutual interference of signals on the service performance of the cable is greatly reduced; and the ability of resisting influence of signal interference and stretching on the service performance of the cable is greatly enhanced while transmission characteristics of the communication cable product are guaranteed.

Description

The composite cable of anti-interference type electric power and transfer of data

Technical field

The utility model relates to a kind of data cable, relates in particular to the composite cable of a kind of anti-interference type 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 the composite cable of a kind of anti-interference type electric power and transfer of data, and that this composite cable has is not easy to crack, meet that water does not decompose, stretch-proof, the feature such as corrosion-resistant, greatly increased cable because of environment for use special; Reduce the impact of signal phase mutual interference on serviceability, when guaranteeing telecommunication cable Transmission characteristic, greatly increased cable because signal disturbs, stretching affects the ability of serviceability.

For achieving the above object, the technical solution adopted in the utility model is: the composite cable of a kind of anti-interference type electric power and transfer of data, comprising: the fiber unit that four telecommunication optical fibers 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 PP skeleton; 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 screen 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 PP skeleton; One armour is coated on described screen outer surface, and a restrictive coating is coated on described armour outer surface;

Described the first communication twisted wire is 0.35 ~ 0.45mm to, second communication twisted wire centering the first copper conductor diameter, and described the first electric power twisted wire is 0.45 ~ 0.55mm to, second electric power twisted wire centering the second copper conductor sectional area ²;

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.

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

1, the composite cable of the utility model anti-interference type electric power and transfer of data, adopt star-like skeleton as main anti-interference element, the hybrid architecture of cable and optical cable, described fiber unit, the first communication twisted wire pair, second communication twisted wire pair, the first electric power twisted wire pair, the second electric power twisted wire is to laying respectively at described the first cavity, the second cavity, the 3rd cavity, in the 4th cavity and the 5th cavity, adopt steel wire as main stretch, adopt star-like skeleton as main anti-interference element, the hybrid architecture of cable and optical cable, corrosion resistant polyolefine material, have not easy to crack, meeting water does not decompose, stretch-proof, the feature such as corrosion-resistant, greatly increased cable because of environment for use special, signal phase mutual interference and affect the ability of serviceability.

2, the composite cable of the utility model anti-interference type electric power and transfer of data, 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 composite cable structural representation one of the utility model anti-interference type electric power and transfer of data;

Accompanying drawing 2 is the composite cable structural representation two of the utility model anti-interference type electric power and transfer of data.

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 PP skeleton; 61, the first cavity; 62, the second cavity; 63, the 3rd cavity; 64, the 4th cavity; 65, the 5th cavity; 71, insulating barrier; 72, insulating barrier; 8, screen; 10, restrictive coating.

Embodiment

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

Embodiment: the composite cable of a kind of anti-interference type 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 71 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 72 as the first electric power twisted wire of electric power transfer to the 51, second electric power twisted wire to 52 and pentagon PP skeleton 6; 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 of one screen 8, the first communication 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 PP skeleton 6; One armour is coated on described screen 8 outer surfaces, and a restrictive coating 10 is coated on described armour outer surface;

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.

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. the composite cable of an anti-interference type electric power and transfer of data, it is characterized in that: comprising: the fiber unit (3) that four telecommunication optical fibers (2) form, four the first copper conductor (4) stranded formation between two that are coated with insulating barrier (71) are communicated by letter twisted wire to (41) as first of information communication, second communication twisted wire is to (42), four the second copper conductor (5) stranded formation between two that is coated with insulating barrier (72) as the first electric power twisted wire of electric power transfer to (51), the second electric power twisted wire is to (52) and pentagon PP skeleton (6) pentagon PP skeleton, 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 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 screen (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 PP skeleton (6), described the first communication twisted wire is 0.35 ~ 0.45mm to (41), second communication twisted wire to the first copper conductor (4) diameter in (42), and described the first electric power twisted wire is 0.45 ~ 0.55mm to (51), the second electric power twisted wire to the second copper conductor (5) sectional area in (52) ²,

One armour is wrapped in described screen (8) outer surface, and a restrictive coating (10) is coated on described armour outer surface; Described the first communication twisted wire is greater than second communication twisted wire to (42) and the pitch of the second electric power twisted wire to (52) to (41) and the first electric power twisted wire to the pitch of (51), described the first communication twisted wire is 15.2mm to the pitch of (41), described second communication twisted wire is 13.7mm to the pitch of (42), 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).