Coaxial wire for communication

Abstract

The utility model relates to the technical field of wires and cables, and particularly provides a coaxial wire for communication, which comprises a wire core, an insulating layer arranged on the outer side of the wire core, an anti-interference structure arranged on the outer side of the insulating layer, the anti-interference structure comprises a flame-retardant annular pipe layer connected with the insulating layer, and a PBI fiber layer arranged on the outer side of the flame-retardant annular pipe layer. And a metal flame-retardant layer is arranged on the outer side of the PBI fiber layer. According to the utility model, the anti-interference structure is arranged, and the copper braid layer, the copper foil layer and the aluminum foil layer of the anti-interference structure are utilized, so that the anti-interference capability of the transmission of the wire core can be enhanced, and the problems that the anti-interference function of the structure adopted by a coaxial wire is poorer, and electromagnetic and current are difficult to shield effectively, so that the communication wire is easy to cause the interference at the transmission middle end, and the anti-interference capability is poor are solved. The transmission speed is reduced, the transmission interior is incomplete, and serious signal interference is caused.

Description

Technical Field

[0001] The utility model relates to the technical field of wires and cables, in particular to a coaxial wire for communication. Background Art

[0002] Communication refers to the exchange and transmission of information between people or between people and nature through certain behaviors or media. In a broad sense, it refers to the accurate and safe transmission of information from one party to another by any method and any medium between two or more parties who need information without violating their respective wishes. Concentric main line mechatronics terminology, concentric main line is also called coaxial wire Chinese name: concentric main line; foreign name: concentric main; alias: coaxial wire; structure: conductor uses multiple bare copper and tinned copper wires. Concentric main line mechatronics terminology, concentric main line is also called coaxial wire concentric main coaxial wire; concentric main line coaxial cable (thick cable and thin cable): Advantages: low installation cost, low maintenance cost, simple installation.

[0003] With respect to the above-mentioned related technologies, the inventor believes that there are the following defects:

[0004] For coaxial wires, the structure used has poor anti-interference function and it is difficult to effectively shield electromagnetic and current, which leads to the communication wires easily causing transmission mid-end, reduced transmission speed, incomplete transmission, etc., causing serious signal interference. Therefore, it is necessary to provide coaxial wires for communication to solve the above technical problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is that for coaxial wires, the anti-interference function of the structure adopted is poor, and it is difficult to effectively shield electromagnetic and current, which leads to the communication wires easily causing the transmission end, the transmission speed is reduced, the internal transmission is incomplete, etc., causing serious signal interference. In view of the above-mentioned defects of the prior art, a coaxial wire for communication is provided, including a wire core, an insulating layer is arranged on the outside of the wire core, an anti-interference structure is arranged on the outside of the insulating layer, the anti-interference structure includes a flame retardant annular tube layer connected to the insulating layer, a PBI fiber layer is arranged on the outside of the flame retardant annular tube layer, and a metal flame retardant layer is arranged on the outside of the PBI fiber layer. The utility model is provided with an anti-interference structure, and the copper braided layer, copper foil layer and aluminum foil layer of the anti-interference structure are used to enhance the anti-interference ability of the wire core transmission, solving the technical problem that for coaxial wires, the anti-interference function of the structure adopted is poor, and it is difficult to effectively shield electromagnetic and current, which leads to the communication wires easily causing the transmission end, the transmission speed is reduced, the internal transmission is incomplete, etc., causing serious signal interference.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a coaxial wire for communication, comprising a conductor core, an insulating layer is arranged on the outside of the conductor core, an anti-interference structure is arranged on the outside of the insulating layer, the anti-interference structure comprises a flame-retardant annular tube layer connected to the insulating layer, a PBI fiber layer is arranged on the outside of the flame-retardant annular tube layer, and a metal flame-retardant layer is arranged on the outside of the PBI fiber layer.

[0007] It is further configured that the insulating layer is made of high-density polyethylene material, and the thickness of the insulating layer is 0.10-0.12 mm.

[0008] It is further provided that a flame retardant structure is provided on the outer side of the anti-interference structure, and an insulating sheath layer is provided on the outer side of the flame retardant structure.

[0009] It is further provided that a heat-resistant coating is provided on the outer side of the insulating sheath layer, and the thickness of the heat-resistant coating is 0.08-0.10 mm.

[0010] It is further provided that the flame retardant structure includes a copper braided layer arranged on the outside, and the copper braided layer is fixedly connected to the insulating sheath layer.

[0011] It is further provided that the flame retardant structure includes an aluminum foil layer arranged on the inner side, and the aluminum foil layer is fixedly connected to the metal flame retardant layer.

[0012] It is further provided that the flame retardant structure includes a copper foil layer arranged in the middle, and the copper foil layer is fixedly connected to the aluminum foil layer.

[0013] Compared with the related art, the coaxial wire for communication provided by the utility model has the following beneficial effects:

[0014] The utility model provides a coaxial wire for communication, which is provided with an anti-interference structure. The copper braided layer, copper foil layer and aluminum foil layer of the anti-interference structure can enhance the anti-interference ability of the wire core transmission, and solves the technical problem that the structure adopted by the coaxial wire has poor anti-interference function and is difficult to effectively shield electromagnetic and electric current, resulting in the communication wire being prone to transmission mid-end, reduced transmission speed, incomplete internal transmission, etc., causing serious signal interference.

[0015] The utility model provides a coaxial wire for communication, which is provided with a heat-resistant coating and a flame-retardant structure. The heat-resistant coating and the flame-retardant structure include a metal flame-retardant layer, a PBI fiber layer, and a flame-retardant annular tube layer, so as to enhance the heat resistance and fire resistance of the wire, reduce the occurrence of high-temperature melting of the wire, and improve the use scope and use scenarios of the wire. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1A schematic structural diagram of a preferred embodiment of a coaxial wire for communication provided by the utility model;

[0017] Figure 2 It is a left view of the utility model;

[0018] Figure 3 This is a left-side structural schematic diagram of the flame-retardant structure of the utility model;

[0019] Figure 4 It is a left-side structural schematic diagram of the anti-interference structure of the utility model.

[0020] Numbers in the figure: 1. Wire core; 2. Insulation layer; 3. Anti-interference structure; 4. Flame-retardant structure; 5. Insulation sheath layer; 6. Heat-resistant coating; 7. Copper braided layer; 8. Copper foil layer; 9. Aluminum foil layer; 10. Metal flame-retardant layer; 11. PBI fiber layer; 12. Flame-retardant annular tube layer. DETAILED DESCRIPTION

[0021] In order to facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the accompanying drawings, in which typical embodiments of the present invention are shown.

[0022] Embodiment 1:

[0023] like Figure 1-4 As shown, the coaxial wire for communication of the utility model includes a conductor core 1, an insulating layer 2 is arranged on the outside of the conductor core 1, an anti-interference structure 3 is arranged on the outside of the insulating layer 2, the anti-interference structure 3 includes a flame retardant annular tube layer 12 connected to the insulating layer 2, a PBI fiber layer 11 is arranged on the outside of the flame retardant annular tube layer 12, and a metal flame retardant layer 10 is arranged on the outside of the PBI fiber layer 11.

[0024] like Figure 1 As shown, the insulating layer 2 is made of high-density polyethylene material, and the thickness of the insulating layer 2 is 0.10-0.12 mm. The outer side of the anti-interference structure 3 is provided with a flame retardant structure 4, and the outer side of the flame retardant structure 4 is provided with an insulating sheath layer 5.

[0025] During implementation, an anti-interference structure 3 is provided. The copper braided layer 7, copper foil layer 8 and aluminum foil layer 9 of the anti-interference structure 3 can enhance the anti-interference ability of the conductor core 1 transmission, thereby solving the technical problem that for coaxial wires, the structure used has poor anti-interference function and is difficult to effectively shield electromagnetic and current, resulting in communication wires easily causing transmission mid-end, reduced transmission speed, incomplete internal transmission, etc., causing serious signal interference.

[0026] Embodiment 2:

[0027] like Figure 1-4As shown, on the basis of embodiment one, the utility model provides a technical solution: a heat-resistant coating 6 is provided on the outside of the insulating sheath layer 5, and the thickness of the heat-resistant coating 6 is 0.08-0.10mm; the flame-retardant structure 4 includes a copper braided layer 7 arranged on the outside, and the copper braided layer 7 is fixedly connected to the insulating sheath layer 5; the flame-retardant structure 4 includes an aluminum foil layer 9 arranged on the inside, and the aluminum foil layer 9 is fixedly connected to the metal flame-retardant layer 10; the flame-retardant structure 4 includes a copper foil layer 8 arranged in the middle, and the copper foil layer 8 is fixedly connected to the aluminum foil layer 9.

[0028] During implementation, a heat-resistant coating 6 and a flame-retardant structure 4 are provided. The metal flame-retardant layer 10, the PBI fiber layer 11, and the flame-retardant annular tube layer 12 of the heat-resistant coating 6 and the flame-retardant structure 4 can enhance the heat resistance and fire resistance of the wire, reduce the occurrence of high-temperature melting of the wire, and improve the scope and scenarios of use of the wire.

[0029] During production and processing, the present technical solution sequentially arranges the insulating layer 2, the anti-interference structure 3, the flame retardant structure 4, the insulating sheath layer 5, and the heat-resistant coating 6 on the outside of the wire core 1. The copper braided layer 7, the copper foil layer 8, and the aluminum foil layer 9 of the anti-interference structure 3 can enhance the anti-interference ability of the wire core 1, and the heat-resistant coating 6, the metal flame retardant layer 10, the PBI fiber layer 11, and the flame retardant annular tube layer 12 can enhance the heat resistance and fire resistance of the wire.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A coaxial wire for communication, comprising a conductor core (1), characterized in that: An insulating layer (2) is arranged on the outside of the conductor core (1), an anti-interference structure (3) is arranged on the outside of the insulating layer (2), the anti-interference structure (3) comprises a flame retardant annular tube layer (12) connected to the insulating layer (2), a PBI fiber layer (11) is arranged on the outside of the flame retardant annular tube layer (12), and a metal flame retardant layer (10) is arranged on the outside of the PBI fiber layer (11).

2. The communication coaxial cable according to claim 1, characterized in that: The insulating layer (2) is made of high-density polyethylene material, and the thickness of the insulating layer (2) is 0.10-0.12 mm.

3. The communication coaxial cable according to claim 1, characterized in that: A flame retardant structure (4) is arranged on the outer side of the anti-interference structure (3), and an insulating sheath layer (5) is arranged on the outer side of the flame retardant structure (4).

4. The communication coaxial cable according to claim 3, characterized in that: A heat-resistant coating (6) is provided on the outer side of the insulating sheath layer (5), and the thickness of the heat-resistant coating (6) is 0.08-0.10 mm.

5. The communication coaxial cable according to claim 3, characterized in that: The flame retardant structure (4) comprises a copper braided layer (7) arranged on the outside, and the copper braided layer (7) is fixedly connected to the insulating sheath layer (5).

6. The communication coaxial cable according to claim 3, characterized in that: The flame retardant structure (4) comprises an aluminum foil layer (9) arranged on the inner side, and the aluminum foil layer (9) is fixedly connected to the metal flame retardant layer (10).

7. The communication coaxial cable according to claim 6, characterized in that: The flame retardant structure (4) comprises a copper foil layer (8) arranged in the middle, and the copper foil layer (8) is fixedly connected to the aluminum foil layer (9).

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