CN204808930U - Fire -retardant communication cable of environmental protection - Google Patents

Abstract

The utility model discloses an environment-friendly flame-retardant communication cable, which comprises a cable body, and the cable body includes a conductor, an insulating layer and an outer sheath. A plurality of conductors are arranged inside the cable body; a protective sheath is arranged outside the conductor; an insulating layer is arranged outside the protective sheath; the insulating layer, the protective sheath and the conductor together form a cable core; the cable core The cross section is a circular structure; the cable body is provided with a plurality of cable cores; the cable core is provided with a plurality of drain wires tangent to the cable core; the cable core is provided with a high temperature resistant layer; A filling layer is arranged in the gap between the high temperature resistant layer, the drain line and the cable core; the high temperature resistant layer is extruded with a layer of aluminum foil shielding layer; the outer sheath of the aluminum foil shielding layer is closely extruded. The utility model has the advantages of reasonable structural design, good communication quality, high temperature resistance and the like.

Description

An environmentally friendly flame-retardant communication cable

technical field

The utility model relates to the field of cables, in particular to an environment-friendly flame-retardant communication cable.

Background technique

At present, with the rapid development of communication technology, communication cables as an information transmission medium are important products that technicians in the field are committed to vigorously researching and developing. To meet the needs of communication infrastructure, the demand and production of communication cables are also increasing year by year, but As the working environment changes, general communication cables cannot meet people's needs. People hope that communication cables not only have the function of transmitting information, but also can be used for a long time in relatively harsh environments, and can also be used normally at high temperatures without Environmentally harmful substances will be generated, and existing communication cables cannot meet these requirements.

Utility model content

In order to overcome the defects of the above-mentioned prior art, the purpose of this utility model is to provide an environment-friendly flame-retardant communication cable.

The utility model is realized by adopting the following technical solutions: an environment-friendly flame-retardant communication cable, which includes a cable body, the cable body includes a conductor, an insulating layer and an outer sheath, and a plurality of conductors are arranged inside the cable body; A layer of protective sheath is arranged outside the conductor; an insulating layer is arranged outside the protective sheath; the insulating layer, the protective sheath and the conductor together form a cable core; the cross section of the cable core is a circular structure; the cable body A plurality of cable cores are arranged inside; a plurality of drain wires are arranged outside the cable core to be tangent to the cable core; a layer of high temperature resistant layer is arranged outside the cable core; the high temperature resistant layer, the drain wire and the cable core A filling layer is arranged in the gap between them; the high temperature resistant layer is extruded with a layer of aluminum foil shielding layer; the outer layer of the aluminum foil shielding layer is closely extruded and wrapped with a layer of outer sheath.

In the aforementioned environment-friendly flame-retardant communication cable, the conductor is any one of single copper wire, stranded bare copper wire or stranded tinned copper wire.

In the above-mentioned environment-friendly flame-retardant communication cable, the high-temperature-resistant layer is made of ceramic-silicon-rubber composite tape material.

In the aforementioned environment-friendly flame-retardant communication cable, the insulating layer is braided by tinned annealed copper wires, and the weaving density of the tinned annealed copper wires of the insulating layer is not less than 80%.

In the above-mentioned environment-friendly flame-retardant communication cable, the protective sheath wrapped around the conductor is a glass fiber tube.

In the above-mentioned environment-friendly flame-retardant communication cable, the outer sheath is formed by extrusion of semi-conductive plastic.

In summary, the utility model has the following beneficial effects: the utility model has the advantages of reasonable structural design, good communication quality and high temperature resistance, and the aluminum foil shielding layer can effectively enhance the ability of the cable to resist external electromagnetic interference, and at the same time control the cable The electromagnetic wave radiation itself will not interfere with the normal operation of other surrounding equipment and networks, thus adapting to more occasions.

Description of drawings

Fig. 1 is the cross-sectional structure schematic diagram of the utility model;

Among them: 1. Cable body; 2. Conductor; 3. Protective sheath; 4. Insulation layer; 5. Filling layer; 6. Drain line; 7. High temperature resistant layer; 8. Aluminum foil shielding layer; 9. Outer sheath.

Detailed ways

As shown in Figure 1, an environmentally friendly flame-retardant communication cable, it includes a cable body 1, the cable body 1 includes a conductor 2, an insulating layer 4 and an outer sheath 9, and a plurality of conductors 2 are arranged inside the cable body 1 ; The conductor 2 is provided with a protective cover 3; the protective cover 3 is provided with an insulating layer 4; the insulating layer 4, the protective cover 3 and the conductor 2 together form a cable core; the cable core cross section is Circular structure; the cable body 1 is provided with a plurality of cable cores; the cable core is provided with a plurality of drain wires 6 tangent to the cable core; a layer of high temperature resistant layer 7 is provided outside the cable core; A filling layer 5 is provided in the gap between the high temperature resistant layer 7, the drain line 6 and the cable core; the high temperature resistant layer 7 is extruded with a layer of aluminum foil shielding layer 8; the outer layer of the aluminum foil shielding layer 8 is tightly extruded Outer sheath9.

The conductor 2 is any one of single copper wire, stranded bare copper wire or stranded tinned copper wire, which not only greatly improves the working efficiency of the cable, but also makes its work more stable, and the structure of the conductor 2 It is easy to process, the length of production is not limited, and it has certain flexibility and flexibility when used, which is convenient for workers to lay; the protective cover 3 arranged outside the conductor 2 is a glass fiber tube, which can effectively improve the bending performance of the cable body 1 , easy to use and can meet the requirements of the cable for the electromagnetic field; the insulating layer 4 is braided by tinned annealed copper wire, which can improve the insulating performance of the cable body 1, and effectively make the cable work stably; the filling layer 5 enables The internal structure of the cable body 1 is more compact to prevent it from being damaged due to excessive external force; the drain wire 6 can meet the requirements of protective grounding and shielding grounding, and can effectively solve the problem of crosstalk between wire pairs and ensure signal integrity. Effective transmission; the high temperature resistant layer 7 is made of ceramic silicon rubber composite tape material, thereby greatly improving the high temperature resistance performance of the cable body 1, and will not melt in a high temperature environment, so that the cable can also be used in a high temperature environment It can be used normally; the aluminum foil shielding layer 8 can effectively enhance the ability of the cable to resist external electromagnetic interference, and at the same time control the electromagnetic wave radiation of the cable itself, without interfering with the normal operation of other surrounding equipment and networks, thus adapting to more occasions ; The outer sheath 9 is formed by extrusion of semi-conductive plastics, which can withstand higher temperatures, and will not produce harmful substances to pollute the environment in a high-temperature environment, so that its environmental protection performance is more excellent, which is in line with what people are now advocating environmental protection concept.

The above are the embodiments of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of application of the utility model are included in the scope of the patent application of the utility model.

Claims (6)

1. An environment-friendly flame-retardant communication cable, which includes a cable body, and the cable body includes a conductor, an insulating layer and an outer sheath, and is characterized in that: the inside of the cable body is provided with multiple conductors; the outside of the conductor is provided with a A layer of protective sheath; a layer of insulating layer is arranged outside the protective sheath; the insulating layer, protective sheath and conductor together form a cable core; the cross section of the cable core is a circular structure; there are multiple cables inside the cable body core; the cable core is provided with a plurality of drain wires tangent to the cable core; a layer of high temperature resistant layer is provided outside the cable core; the gap between the high temperature resistant layer, the drain wire and the cable core is provided with Filling layer; the high temperature resistant layer is extruded with a layer of aluminum foil shielding layer; the aluminum foil shielding layer is tightly extruded with a layer of outer sheath. 2. An environment-friendly flame-retardant communication cable according to claim 1, wherein the conductor is any one of single copper wire, stranded bare copper wire or stranded tinned copper wire. 3. An environment-friendly flame-retardant communication cable according to claim 1, characterized in that: the high-temperature-resistant layer is made of ceramic-silicon-rubber composite tape material. 4. An environment-friendly flame-retardant communication cable according to claim 1, characterized in that: the insulating layer is braided by tinned annealed copper wires, and the weaving density of the tinned annealed copper wires of the insulating layer is not Less than 80%. 5. An environment-friendly flame-retardant communication cable according to claim 1, characterized in that: the protective sheath wrapped around the conductor is a glass fiber tube. 6. An environment-friendly flame-retardant communication cable according to claim 1, characterized in that: the outer sheath is formed by extrusion of semi-conductive plastic.