CN210805333U

CN210805333U - High-speed anti-interference network cable

Info

Publication number: CN210805333U
Application number: CN201922466174.8U
Authority: CN
Inventors: 黎国忠; 熊碧晴
Original assignee: Guangdong Jianye Cable Co ltd
Current assignee: Guangdong Jianye Cable Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-06-19
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a high-speed anti-interference network cable, including outer inoxidizing coating, filling layer and wire pair, outer inoxidizing coating includes overcoat layer, water blocking layer and total shielding layer from outer to inner in proper order, be equipped with the drain wire that is used for the lightning protection in the outer inoxidizing coating, be equipped with a plurality of wire pairs in the filling layer, a plurality of wire pairs are laid in fire-retardant packing with fire-retardant filled axle center circumference, and each wire pair sets up different pitch ratio, the central axial of fire-retardant packing is equipped with central enhancement layer, and central enhancement layer separates a plurality of pairs of wire pair subregion; the utility model discloses the total shield layer that sets up adopts double-shielded aluminium foil layer and overcoat copper wire to weave, can improve external magnetic field interference greatly, and the wire can prevent the signal interference distortion to setting up different pitch ratio, and the center enhancement layer that sets up simultaneously can effectively solve inside many poor to wire anti-deformation and tensile force ability, leads to the condition of inside wire to loose damage easily.

Description

High-speed anti-interference network cable

Technical Field

The utility model particularly relates to a network cable specifically is a high-rate anti-interference network cable.

Background

High speed network cable mainly used network communication line's signal transmission, it puts forward very high requirement to the interference immunity of cable, general network cable includes outer inoxidizing coating, filling layer and network wire pair, general outer inoxidizing coating carries out the jam-proof through the aluminium foil layer, the wire also is equipped with the shielding layer between the pair and prevents mutual interference, but the outside individual layer aluminium foil anti-interference signal effect of cable is poor, when the whole extension or buckle of receiving of cable is received to the cable very much, the outside shielding layer of aluminium foil layer and wire receives the harm easily, lead to the whole interference killing feature decline of cable.

Therefore, a network cable capable of improving the anti-interference capability of the cable and ensuring the stability of the cable shielding layer by improving the bending and stretching resistance of the cable is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an anti-interference network cable of high rate to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a high-rate anti-interference network cable, includes outer inoxidizing coating, filling layer and wire pair, outer inoxidizing coating is from outer to interior outer jacket layer, water-blocking layer and the total shielding layer of including in proper order, be equipped with the drain wire that is used for the lightning protection in the outer inoxidizing coating, be equipped with a plurality of wire pairs in the filling layer, a plurality of wire pairs are laid in fire-retardant packing with fire-retardant axle center circumference of filling, and every wire pair sets up different pitch ratio, the wire is to including a plurality of network conductors and set up the outer wire shielding layer of network conductor, the wire shielding layer the clearance of network conductor and wire shielding layer and network conductor is all soaked in fire-retardant packing, the central axial of fire-retardant packing is equipped with central enhancement layer, and the central enhancement layer separates many pairs of wire.

As a further aspect of the present invention: the wire pairs are arranged in different pitch ratios, the range of the pitch ratio is 10-15, and the pitches are arranged in a staggered mode.

As a further aspect of the present invention: at least one tearing rope is arranged in the flame-retardant filling along the axis direction.

As a further aspect of the present invention: the outer parts of the outer sleeve layer and the network wires are high-density polyethylene material layers.

As a further aspect of the present invention: the total shielding layer is a double-shielding aluminum foil layer and is sheathed with a copper wire for weaving.

As a further aspect of the present invention: the whole central reinforced layer is in a cross-shaped strip shape in cross section, a plurality of semi-annular grooves are formed in the side wall of the central reinforced layer, and the wires are assembled in the grooves in an inward sinking mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses the total shielding layer that sets up adopts double-shielded aluminium foil layer and overcoat copper wire to weave, can improve external magnetic field interference greatly, and the wire can prevent signal interference distortion to setting up different pitch ratio, and the drain wire can prevent thunderbolt interference, and the center enhancement layer that sets up simultaneously can effectively solve inside many poor to wire anti-deformation and tensile strength ability, leads to the condition of internal conductor to loose damage easily.

Drawings

Fig. 1 is a schematic structural diagram of a high-speed interference-free network cable.

In the figure: the outer sleeve layer 1, the water-resistant layer 2, the total shielding layer 3, the flame-retardant filling 4, the wire shielding layer 5, the network wire 6, the central reinforcing layer 7 and the tearing rope 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, in an embodiment of the present invention, a high-speed anti-interference network cable includes an outer protective layer, a filling layer, and a plurality of wire pairs, where the outer protective layer includes an outer jacket layer 1, a water blocking layer 2, and a total shielding layer 3 from outside to inside in sequence, a drain wire for lightning protection is provided in the outer protective layer, a plurality of wire pairs are provided in the filling layer, the plurality of wire pairs are laid in a flame-retardant filling 4 around an axis of the flame-retardant filling 4, the wire pairs include a plurality of network wires 6 and a wire shielding layer 5 provided on an outer layer of the network wires 6, the wire shielding layer 5, the network wires 6 and the wire shielding layer 5 are all provided in the flame-retardant filling 4 in gaps with the network wires 6, a central reinforcing layer 7 is provided in a central axial direction of the flame-retardant filling 4, and the central reinforcing layer 7 partitions the.

The conductor pairs are arranged in different pitch ratios, the pitch ratio range is 10-15, the pitches are staggered, and the different pitch ratios of each pair of conductors reduce the magnetic field interference between each pair of conductors, so that signals are not distorted.

At least one tearing rope 8 is arranged in the flame-retardant filling 4 along the axis direction, the tearing rope 8 is tensile and dragging-resistant, heat emitted by the cable in the using process is absorbed, and the cable is prevented from being adhered to the rubber sheet and has fireproof flame-retardant components.

The outer parts of the outer sleeve layer 1 and the network lead 6 are high-density polyethylene material layers which are environment-friendly and harmless, have good chemical stability and are flexible and impermeable.

The total shielding layer 3 is a double-shielding aluminum foil layer and is wrapped with copper wires for weaving, so that the interference of an external magnetic field can be effectively avoided.

The weaving density of the copper wire is 85% -90%.

The whole cross-section that is of center enhancement layer 7 is criss-cross strip, a plurality of semi-annular grooves have been seted up to the lateral wall of center enhancement layer 7, the wire is to sinking the assembly in the recess, and the center enhancement layer 7 of setting can rely on self deformation to carry out certain protection to the wire of sinking in the recess when buckling, prevents simultaneously that adjacent wire from to carrying out the extrusion, protects the wire to outside wire shielding layer, when tensile cable, can rely on center enhancement layer 7 to improve tensile strength, reduces the deformation and the damage of cable.

The utility model discloses a theory of operation is: the utility model provides an outer protective layer not only is equipped with outer jacket layer 1 made of high density polyethylene material, but also adds water-blocking layer 2, can play good external isolated effect, wherein the total shielding layer 3 that sets up adopts double-shielding aluminium foil layer and outer copper wire to weave, can greatly improve external magnetic field interference, guarantee that the internal conductor receives signal interference, outer protective layer still embeds the drain wire, the drain wire is one kind of lightning protection facility, when the thunder is hurt, there is the response thunder probably to get into the cable in the mode of response, set up wire shielding layer 5 between each pair of wire and carry out mutual isolation, prevent mutual interference, each pair of wire different pitch ratio, reduce the magnetic field interference between each pair of wire, make the signal undistorted, pitch scope 10-15, the pitch staggers, wherein the central enhancement layer 7 that adds is mainly used for guaranteeing that each pair of wire position in fire-retardant filling 4 is relatively stable, when improving the whole tensile of cable and buckling, carry out certain spacing and protection to inside wire, improved the stability of the inside wire of cable greatly.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A high-speed anti-interference network cable comprises an outer protective layer, a filling layer and wire pairs, and is characterized in that the outer protective layer sequentially comprises an outer sleeve layer (1), a water blocking layer (2) and a total shielding layer (3) from outside to inside, a lightning-proof drain wire is arranged in the outer protective layer, a plurality of wire pairs are arranged in the filling layer, the plurality of wire pairs are laid in the flame-retardant filling layer (4) in a mode of the axis circumference of the flame-retardant filling layer (4), each wire pair is provided with different pitch ratios, each wire pair comprises a plurality of network wires (6) and a wire shielding layer (5) arranged on the outer layer of each network wire (6), the wire shielding layer (5), the network wires (6), the gaps between the wire shielding layers (5) and the network wires (6) are all immersed in the flame-retardant filling layer (4), and a central reinforcing layer (7) is axially arranged at the center of the flame-retardant filling layer (4, the central reinforcing layer (7) partitions the plurality of pairs of wires.

2. The high rate antijam network cable of claim 1, wherein said pairs of conductors are arranged in different pitch ratios in the range of 10-15, with the pitches being staggered.

3. The high-rate antijam network cable of claim 1, characterized in that at least one tear cord (8) is provided axially within the flame-retardant filler (4).

4. A high rate interference immune network cable as claimed in claim 1, wherein the outer jacket (1) and the network wires (6) are externally of a high density polyethylene material layer.

5. The high-speed anti-interference network cable according to any one of claims 1 to 4, wherein the total shielding layer (3) is a double-shielding aluminum foil layer and is wrapped with a copper wire braid.

6. The high-speed anti-interference network cable according to claim 5, wherein the weaving density of the copper wire weave is 85% -90%.

7. The high-speed anti-interference network cable according to any one of claims 1 to 4, wherein the central reinforcing layer (7) is integrally in the shape of a strip with a cross-shaped section, the side wall of the central reinforcing layer (7) is provided with a plurality of semi-annular grooves, and the wires are fitted in the grooves in an inward sinking manner.