CN210296021U

CN210296021U - Shielding type data communication cable

Info

Publication number: CN210296021U
Application number: CN201920944533.3U
Authority: CN
Inventors: 何镒财
Original assignee: Sunfpu Technology Dongguan Co ltd
Current assignee: Sunfpu Technology Dongguan Co ltd
Priority date: 2019-06-21
Filing date: 2019-06-21
Publication date: 2020-04-10
Anticipated expiration: 2029-06-21

Abstract

The utility model discloses a shielding type data communication cable, including the inner liner, be equipped with two at least conductors in the inner liner, conductor surface cladding insulating layer, be equipped with the partition support in the inner liner, separate the support and separate two at least conductors in different regions, the outer space packing of conductor has the filling layer in the inner liner, the inner liner internal surface is equipped with the conductor shielding layer, it is insulating face to separate the support surface, it is filled with shielding wire to separate the support intussuseption, be equipped with the earth connection of contacting with the conductor shielding layer in the inner liner, the inner liner surface is equipped with electrically conductive plastic shielding layer, electrically conductive plastic shielding layer surface is equipped with the anticorrosive coating, anticorrosive coating surface is equipped with the outer lining layer. The utility model discloses the shielding nature is good, improves communication efficiency.

Description

Shielding type data communication cable

Technical Field

The utility model relates to a communication cable, specifically speaking are shielding type data communication cable.

Background

The cable is used for transmitting telephone, telegraph, facsimile document, TV and radio program, data and other electric signals, and is formed by twisting more than one pair of mutually insulated wires.

At present, with the development of scientific technology, all trades are all developing towards industrialization and electronization, the use of communication cable is more and more extensive, some current communication cable shielding nature is not good, only cup joint a layer of rubber sleeve at the surface of conductor, when communication cable uses for a long time, because the electric current that passes through is bigger in the cable, can produce magnetic field around the electric current for magnetic field leaks the cable easily, makes the effect of this cable transmission current not good, the cable transmission signal's that influences intensity. The existing communication cable is often provided with a shielding layer in order to improve the anti-interference capability, but the effect is not good.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a shielding type data communication cable.

In order to solve the technical problem, the utility model discloses take following technical scheme:

the utility model provides a shielding type data communication cable, including the inner liner, be equipped with two at least conductors in the inner liner, conductor surface cladding insulating layer, be equipped with the separation support in the inner liner, separate the support and separate two at least conductors in different regions, the outer space packing of conductor has the filling layer in the inner liner, the inner liner internal surface is equipped with the conductor shielding layer, it is insulating face to separate the support surface, it is filled with shielding wire to separate the support intussuseption, be equipped with the earth connection of contacting with the conductor shielding layer in the inner liner, the inner liner surface is equipped with electrically conductive plastic shielding layer, electrically conductive plastic shielding layer surface is equipped with the anticorrosive coating, the anticorrosive coating surface is.

The filling layer is made of polyurethane foam plastics, and a plurality of cavities are formed inside the filling layer during molding.

The insulating layer is made of a cross-linked polyethylene material.

The conductive plastic shielding layer is provided with a plurality of grooves, and a gap is formed between each groove and the corresponding inner liner layer.

The outer lining layer is a silicon rubber protective sleeve, and a waterproof film is arranged in the silicon rubber protective sleeve.

And a high-temperature color-changing coating is also arranged between the outer lining layer and the anticorrosive layer, the inner surface of the high-temperature color-changing coating is connected with the anticorrosive layer, and the outer surface of the high-temperature color-changing coating is connected with the outer lining layer.

The utility model discloses shielding property is good, has effectively improved the communication efficiency of cable, is difficult for receiving external disturbance.

Drawings

Fig. 1 is a schematic cross-sectional structure of the present invention.

Detailed Description

For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.

As shown in the accompanying drawing 1, the utility model discloses a shielding type data communication cable, including inner liner 6, be equipped with two at least conductors 3 in the

inner liner

5, 3 surface cladding insulating layers 4 of conductor are equipped with in the inner liner 6 and separate support 2, separate support 2 and separate at least two conductors 3 in different regions, the outer space packing of conductor has filling layer 1 in the

inner liner

6, 6 internal surfaces of inner liner are equipped with conductor shielding layer 5, it is the insulating surface to separate support 2 surface, it is filled with shielding metal wire to separate support 2 intussuseption, be equipped with the earth connection 12 with 5 contacts of conductor shielding layer in the

inner liner

6, 6 surfaces of inner liner are equipped with electrically conductive plastic shielding layer 7, the surface of electrically conductive plastic shielding layer 7 is equipped with

anticorrosive coating

8, 8 surfaces of anticorrosive coating are equipped with outer lining layer 10. The different conductors are separated by the separation support 2, grounding treatment is realized by the grounding wire, interference current is effectively led into the ground, and meanwhile, the grounding wire is in contact with the conductor shielding layer, so that the anti-interference capability is further enhanced. The shielding metal wires are filled in the separation support, so that the shielding performance can be improved to a certain degree, and meanwhile, the conductors are uniformly dispersed to shield the interference among the conductors. Through electrically conductive shielding layer and electrically conductive plastic shielding layer, form inside and outside dual shielding, cooperate the homodisperse of separating the support again, effectively improve shielding performance.

The filling layer adopts polyurethane foam to make to inside is formed with a plurality of cavity when the filling layer shaping, makes inner structure more compact firm, utilizes the cavity simultaneously, plays certain buffering when bending the cable, avoids being damaged by external effort.

The conductor shielding layer does not contain a plasticizer, does not mildew or breed bacteria, has good heat resistance, can withstand the corrosion of most chemicals at the normal working temperature of 95 ℃, can be bent at will and cannot be cracked.

The insulating layer is made of a cross-linked polyethylene material.

The conductive plastic shielding layer 7 is provided with a plurality of grooves 11, and a gap is formed between each groove 11 and the corresponding lining layer 6. By providing a certain amount of grooves, different conduction directions can be achieved during electromagnetic conduction.

The outer lining layer 10 is a silicon rubber protective sleeve, and a waterproof film is arranged in the silicon rubber protective sleeve, so that the silicon rubber protective sleeve has a better protective effect.

And a high-temperature color-changing coating 9 is also arranged between the outer lining layer 10 and the anticorrosive layer 8, the inner surface of the high-temperature color-changing coating is connected with the anticorrosive layer, and the outer surface of the high-temperature color-changing coating is connected with the outer lining layer. The thickness of the high-temperature color-changing coating is 0.8-1.0m, silicate paint is brushed on the outer surface of the high-temperature color-changing coating, and the high-temperature color-changing coating is arranged, so that the problem of short circuit can be directly judged through the color change of the high-temperature color-changing coating due to overlarge current load and resistance inside a cable, and the technical personnel can be warned, so that the technical personnel can have time to cut off a power supply and troubleshoot the problem, prevent fire and ensure the personal and property safety of users.

It should be noted that the above is only a preferred embodiment of the present invention, and the present invention is not limited to the above, and although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that the technical solutions described in the foregoing embodiments can be modified or some technical features can be replaced with equivalents, but any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a shielding type data communication cable, including the inner liner, a serial communication port, be equipped with two at least conductors in the inner liner, conductor surface cladding insulating layer, be equipped with the separation support in the inner liner, separate the support and separate two at least conductors in different regions, the outer space packing of conductor has the filling layer in the inner liner, the inner liner internal surface is equipped with the conductor shielding layer, it is insulating face to separate the support surface, it is filled with shielding wire to separate the support intussuseption, be equipped with the earth connection of contacting with the conductor shielding layer in the inner liner, the inner liner surface is equipped with electrically conductive plastic shielding layer, electrically conductive plastic shielding layer surface is equipped with the anticorrosive coating, anticorrosive coating surface is.

2. The shielded data communication cable of claim 1, wherein the filling layer is made of polyurethane foam, and the filling layer is formed with a plurality of cavities therein.

3. The shielded data communication cable of claim 2, wherein the insulating layer is formed of a cross-linked polyethylene material.

4. The shielded data communication cable of claim 3, wherein the conductive plastic shielding layer has a plurality of grooves, and a gap is formed between the grooves and the inner liner.

5. The shielded data communication cable of claim 4, wherein the outer liner is a silicone rubber boot and a waterproof membrane is disposed within the silicone rubber boot.

6. The shielded data communication cable according to claim 5, wherein a high temperature discoloration coating is further disposed between the outer liner and the corrosion-resistant layer, and an inner surface of the high temperature discoloration coating is connected to the corrosion-resistant layer and an outer surface thereof is connected to the outer liner.