CN204614533U - A kind of anti-interference anti-extrusion cable for digital communication - Google Patents

Abstract

The utility model discloses a kind of anti-interference anti-extrusion cable for digital communication, it comprises cable body, and described cable body comprises conductor, insulating barrier, foil shielding layer and oversheath.Described cable body inside is provided with multiple conductor; Fixed by isolation mount between described conductor; Described isolation mount inside is provided with multiple aluminium alloy flexible pipe; Described conductor is outside equipped with a layer insulating; Between described insulating barrier and conductor, gap portion is provided with packed layer; One deck foil shielding layer is extruded outside described insulating barrier; The anti-interference layer of one deck is extruded outside described foil shielding layer; One deck oversheath is extruded outside described anti-interference layer.The utility model cable has the advantages such as reasonable in design, strong interference immunity and long service life.

Description

An anti-interference and extrusion-resistant digital communication cable

technical field

The utility model relates to the field of cables, in particular to an anti-interference and extrusion-resistant digital communication cable.

Background technique

At present, with the development of science and technology, the field of communication is making rapid progress, and in the field of communication, as the medium for transmitting signals, the amount of communication cables is gradually increasing. Communication cables usually have several or groups of wires. Each group is at least Two twisted cables similar to ropes, each set of wires are insulated from each other, and are often twisted around a center, and the entire outside is covered with a highly insulating covering layer. There are many types of cables and can be used in many fields The use environment in different fields is different, so there are different requirements for cables, but the existing cables are easily affected by external electromagnetic signals during the transmission of signals by communication cables due to their unreasonable structural design. The interference has brought a lot of inconvenience to people's life.

Utility model content

In order to overcome the above-mentioned defects of the prior art, the purpose of this utility model is to provide an anti-interference and extrusion-resistant digital communication cable.

The utility model is realized by adopting the following technical solutions: an anti-interference and extrusion-resistant digital communication cable, which includes a cable body, and the cable body includes a conductor, an insulating layer, an aluminum foil shielding layer and an outer sheath, and the cable body A plurality of conductors are arranged inside; the conductors are fixed by isolation brackets; a plurality of aluminum alloy hoses are arranged inside the isolation bracket; an insulating layer is arranged outside the conductors; the gap between the insulating layer and the conductors Partially provided with a filling layer; the insulating layer is extruded with an aluminum foil shielding layer; the aluminum foil shielding layer is extruded with an anti-interference layer; the anti-interference layer is extruded with an outer sheath.

In the above-mentioned anti-interference and extrusion-resistant digital communication cable, the conductor is made of a solid copper core or a plurality of tightly pressed copper cores, and its cross-sectional shape is a circular or fan-shaped structure.

In the aforementioned anti-interference and extrusion-resistant digital communication cable, the isolation bracket is a hollow structure.

In the aforementioned anti-interference and extrusion-resistant digital communication cable, the filling layer arranged between the insulating layer and the conductor is a glass fiber rope.

In the aforementioned anti-interference and extrusion-resistant digital communication cable, the insulating layer is made of ethylene-propylene rubber.

In the aforementioned anti-interference and extrusion-resistant digital communication cable, the outer sheath is made of semi-conductive plastic.

In summary, the utility model has the following beneficial effects: the cable of the utility model has the advantages of reasonable structural design, strong anti-interference and long service life, and the aluminum foil shielding layer enhances the ability of the cable to resist external electromagnetic interference, and at the same time can It controls its own electromagnetic wave radiation and does not interfere with the normal work of other devices and networks around it, so it is suitable for 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. Isolation bracket; 4. Filling layer; 5. Aluminum alloy hose; 6. Insulation layer; 7. Aluminum foil shielding layer; 8. Anti-interference layer; 9. Outer sheath .

Detailed ways

As shown in Fig. 1, a kind of anti-jamming anti-extrusion digital communication cable, it comprises cable body 1, and described cable body 1 comprises conductor 2, insulation layer 6, aluminum foil shielding layer 7 and outer sheath 9, and described cable body 1 is provided with a plurality of conductors 2; the conductors 2 are fixed by isolation brackets 3; the isolation bracket 3 is provided with a plurality of aluminum alloy hoses 5; the conductor 2 is provided with a layer of insulating layer 6; The gap between the insulating layer 6 and the conductor 2 is provided with a filling layer 4; the insulating layer 6 is extruded with a layer of aluminum foil shielding layer 7; the aluminum foil shielding layer 7 is extruded with a layer of anti-interference layer 8; The anti-jamming layer 8 is extruded and wrapped with a layer of outer sheath 9 .

The conductor 2 is made of a solid copper wire core or multiple tightly pressed copper wire cores, and its cross-sectional shape is a circular or fan-shaped structure, which not only greatly improves the working efficiency of the cable, but also makes its work more stable; the conductor The isolation bracket 3 provided outside the 2 can not only support various conductors 2, but more importantly shield the conductors 2 to prevent the mutual transmission of interference information between the conductors 2 and improve the communication quality; the aluminum alloy hose 5 improves the The tensile strength of the cable will not break easily; the material of the filling layer 4 is glass fiber rope, which can not only keep the cable from being deformed by external force, but also transfer heat to the outside, greatly increasing the transmission capacity of the cable , which improves the working efficiency of the cable; the insulating layer 6 is made of ethylene-propylene rubber material, which can improve the insulating performance of the cable body 1 and make its work more stable; the aluminum foil shielding layer 7 enhances the resistance of the cable to external electromagnetic interference ability, and at the same time, it can control its own electromagnetic wave radiation without interfering with the normal operation of other surrounding equipment and networks, so it is suitable for more occasions; the anti-interference layer 8 effectively prevents the interference of external electromagnetic signals on the cable, and improves the cable performance. The working stability; the outer sheath 9 is made of semi-conductive plastic, which improves the anti-interference performance of the aluminum foil shielding layer 7. During use, it is not disturbed by other external factors, thereby ensuring the stability of signal transmission.

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 anti-interference and extrusion-resistant digital communication cable, which includes a cable body, and the cable body includes a conductor, an insulating layer, an aluminum foil shielding layer and an outer sheath, and is characterized in that: the inside of the cable body is provided with a plurality of conductors ; The conductors are fixed by isolation brackets; a plurality of aluminum alloy hoses are arranged inside the isolation bracket; an insulating layer is arranged outside the conductor; a filling layer is arranged in the gap between the insulating layer and the conductor; The insulating layer is extruded with a layer of aluminum foil shielding layer; the aluminum foil shielding layer is extruded with an anti-interference layer; the anti-interference layer is extruded with an outer sheath. 2. An anti-interference and extrusion-resistant digital communication cable according to claim 1, characterized in that: the conductor is made of a solid copper core or multiple strands of tightly pressed copper core, and its cross-sectional shape is circular or fan-shaped structure. 3. An anti-interference and extrusion-resistant digital communication cable according to claim 1, characterized in that: the isolation bracket is a hollow structure. 4. An anti-interference and extrusion-resistant digital communication cable according to claim 1, characterized in that: the filling layer arranged between the insulating layer and the conductor is a glass fiber rope. 5. The anti-interference and extrusion-resistant digital communication cable according to claim 1, wherein the insulating layer is made of ethylene-propylene rubber. 6. The anti-interference and extrusion-resistant digital communication cable according to claim 1, wherein the outer sheath is made of semi-conductive plastic.