CN216902289U

CN216902289U - Parallel symmetrical network wire

Info

Publication number: CN216902289U
Application number: CN202220747273.2U
Authority: CN
Inventors: 毛右娇; 靳文铭; 张坤皓; 许坡; 肖秋雷; 陈开炫
Original assignee: Gooda Wire And Cable Group Co ltd
Current assignee: Gooda Wire And Cable Group Co ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-07-05
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses a parallel symmetrical network wire which comprises wire cores, flow guide lines, a filling layer, a main shielding layer and an outer anti-sheathing layer, wherein four wire cores are arranged, the four wire cores are tangent to each other and are symmetrically arranged, the outer side of the tangent position of one adjacent two wire cores is provided with one flow guide line, the outer sides of the wire cores and the flow guide lines are provided with the main shielding layer, the filling layer is arranged in the main shielding layer, and the outer anti-sheathing layer is arranged outside the main shielding layer. The network wire adopts a four-core symmetrical cabling structure, can reduce the manufacturing cost, and the total shielding layer forms a double-shielding structure by an aluminum-plastic composite belt layer and a copper wire braided shielding layer, so that the external magnetic field interference can be greatly improved, the distortion problem of signals caused by the interference can be effectively prevented, and the network wire has the advantages of simple structure, strong interference resistance, stable performance, strong practicability, and suitability for popularization and application, and can meet the transmission and use requirements of intelligent equipment.

Description

Parallel symmetrical network wire

Technical Field

The utility model relates to the technical field of network cables, in particular to a parallel symmetrical network wire.

Background

As the important supporting industry of national economy, the power cable industry will rapidly increase the demand for electric wires and cables with the continuous expansion of the scale of the industries such as the chinese power industry, the data communication industry, the urban rail transit industry, the automobile industry, the manufacturing and processing industry, and the like. Power cables, which are wires for transmitting and distributing electric energy, are widely used in various fields at present, and are important transmission media indispensable for industrial and civil use. With the rapid development of the manufacturing industry of intelligent automobiles and intelligent equipment, the demand of network wires is increasing day by day, and in the production of intelligent equipment, the used information transmission cable also puts higher requirements on transmission performance. Because the network wire is mainly used for signal transmission of a network communication line, the network wire has high requirements on the anti-interference performance of a cable, a common network wire comprises an outer protective layer, a filling layer and a network wire pair, and the common outer protective layer is prevented from being interfered by an aluminum foil layer, so that the integral anti-interference performance of the wire is reduced. Therefore, the existing network wire is developed and researched by companies, and a four-core symmetrical network wire with strong anti-interference capability is developed to meet the transmission use requirement of intelligent equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem in the background art and provides a network wire which is simple in structure and strong in anti-interference capability.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a parallel symmetrical network wire comprises wire cores, guide lines, filling layers, a main shielding layer and an outer anti-jacketing layer, wherein four wire cores are arranged, the four wire cores are arranged in a mutually tangent mode and are arranged in a symmetrical state, the guide line is arranged on the outer side of the tangent position of one adjacent two wire cores, the main shielding layer is arranged on the outer sides of the wire cores and the guide lines, the filling layer is arranged in the main shielding layer, and the filling layer is filled in the gap between the wire cores and the guide lines and used for isolating and fixing the relative positions of the wire cores and the guide lines; and an outer anti-nesting layer is arranged outside the total shielding layer.

Furthermore, the wire core of the parallel symmetrical network wire comprises a conductor and an insulating layer arranged outside the conductor, wherein the conductor is formed by stranding a plurality of oxygen-free copper soft conductors with purity of 4N or 5N, and the insulating layer is formed by extruding high-density polyethylene.

Furthermore, the flow guide wire is formed by stranding 7-10 bare copper wires with the diameter of 0.127 mm.

Further, the parallel symmetrical network conductor is characterized in that the filling layer is filled in the gap between the wire core and the flow guide line by adopting an asbestos powder material.

Further, the total shielding layer is of a double-shielding structure and comprises an aluminum-plastic composite tape layer and a copper wire woven shielding layer, wherein the aluminum-plastic composite tape layer is of a double-layer overlapping wrapping structure, the wrapping overlapping rate of the aluminum-plastic composite tape layer is controlled to be 45-50%, the copper wire woven shielding layer is arranged on the outer side of the aluminum-plastic composite tape layer, the copper wire woven shielding layer is of a copper mesh structure formed by weaving annealed copper wires with the diameter of 0.1-0.3 mm, and the weaving density of the copper mesh structure is 85-90%.

Furthermore, the parallel symmetrical network conductor is characterized in that the outer anti-sheathing layer is formed by extruding and wrapping high-density polyethylene.

By adopting the parallel symmetrical network wire, the conductor is formed by twisting a plurality of oxygen-free copper soft conductors with the purity of 4N or 5N, and the wire core adopts a four-core symmetrical cabling structure, so that compared with a network wire on the market, a cross framework is omitted in the structure; the main shielding layer is of a double-shielding structure and consists of an aluminum-plastic composite belt layer and a copper wire woven shielding layer, a guide line is added on the main shielding layer, the guide line is formed by twisting 7-10 bare copper wires with the diameter of 0.127mm, and compared with a network line on the market, the anti-interference capacity of the network line is greatly improved, the interference of lightning stroke can be effectively prevented, and the problem that signals are distorted due to interference is avoided; in addition, because the filling layer made of asbestos powder materials is filled in the gap between the wire core and the flow guide line, the arranged filling layer not only can play a role in isolating and fixing the wire core and the flow guide line, but also has a heat insulation function; finally, because the insulating layer and the outer anti-jacketing layer are both formed by extruding high-density polyethylene, the stability of the network wire can be greatly improved by utilizing the insulating layer and the outer anti-jacketing layer.

Therefore, the network wire disclosed by the utility model has the advantages that the manufacturing cost can be reduced by adopting a four-core symmetrical cabling structure, the total shielding layer is of a double-shielding structure consisting of the aluminum-plastic composite tape layer and the copper wire woven shielding layer, the external magnetic field interference can be greatly improved, the signal distortion problem caused by the interference can be effectively prevented, the structure is simple, the anti-interference capability is strong, the performance is stable, the transmission and use requirements of intelligent equipment can be met, the practicability is strong, and the network wire is suitable for popularization and application.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings.

Fig. 1 is a schematic structural view of the present invention.

Shown in the figure: 1-wire core, 11-conductor, 12-insulating layer, 2-guide line, 3-filling layer, 4-total shielding layer, 41-aluminum-plastic composite tape layer, 42-copper wire braided shielding layer and 5-outer anti-jacketing layer.

Detailed Description

As shown in fig. 1, the parallel symmetrical network wire of the present invention comprises wire cores 1, a diversion line 2, a filling layer 3, a total shielding layer 4 and an outer anti-jacketing layer 5, wherein the wire cores 1 are four, the four wire cores 1 are arranged in a mutually tangent manner and are arranged in a symmetrical state, the outer side of the tangent position of one adjacent two wire cores 1 is provided with the diversion line 2, the outer sides of the wire cores 1 and the diversion line 2 are provided with the total shielding layer 4, the filling layer 3 is arranged in the total shielding layer 4, and the filling layer 3 is filled in the gap between the wire cores 1 and the diversion line 2 and used for isolating and fixing the relative position between the wire cores 1 and the diversion line 2; an outer anti-jacket layer 5 is arranged outside the total shielding layer 4.

Furthermore, the wire core 1 of the parallel symmetrical network wire comprises a conductor 11 and an insulating layer 12 arranged outside the conductor 11, wherein the conductor 11 is formed by stranding a plurality of oxygen-free copper soft conductors with purity of 4N or 5N, and the insulating layer 12 is formed by extruding high-density polyethylene; the diversion line 2 is formed by stranding 7-10 bare copper wires with the diameter of 0.127 mm; the filling layer 3 is filled in the gap between the wire core 1 and the flow guide line 2 by adopting asbestos powder material; the total shielding layer 4 is of a double-shielding structure and comprises an aluminum-plastic composite belt layer 41 and a copper wire woven shielding layer 42, wherein the aluminum-plastic composite belt layer 41 is of a double-layer overlapping wrapping structure, the wrapping overlapping rate of the aluminum-plastic composite belt layer is controlled to be 45-50%, the copper wire woven shielding layer 42 is arranged on the outer side of the aluminum-plastic composite belt layer 41, the copper wire woven shielding layer 42 is of a copper mesh structure formed by weaving annealed copper wires with the diameter of 0.1-0.3 mm, and the weaving density of the copper mesh structure is 85-90%; the outer anti-nesting layer 5 is formed by extruding and wrapping high-density polyethylene.

By adopting the parallel symmetrical network wire, the wire core 1 adopts a four-core symmetrical cabling structure, and compared with network wires on the market, a cross-shaped framework is omitted in the structure, so that the manufacturing cost can be reduced, and processing equipment is correspondingly reduced; the conductor 11 forming the wire core 1 is formed by twisting a plurality of oxygen-free copper soft conductors with the purity of 4N or 5N, the transmission speed of a wire can be effectively improved, meanwhile, the total shielding layer 4 is of a double-shielding structure consisting of an aluminum-plastic composite tape layer 41 and a copper wire woven shielding layer 42, wherein the aluminum-plastic composite tape layer 41 is of a double-layer overlapping wrapping structure, the wrapping overlapping rate is controlled to be 45-50%, the copper wire woven shielding layer 42 is arranged on the outer side of the aluminum-plastic composite tape layer 41, and the copper wire woven shielding layer 42 is of a copper mesh structure formed by weaving annealed copper wires; the total shielding layer 4 is additionally provided with the guide line 2, the guide line 2 is formed by twisting 7-10 bare copper wires with the diameter of 0.127mm, and compared with a network line on the market, the anti-interference capacity of the cable is greatly improved, the interference problem of lightning stroke can be effectively prevented, and the problem of signal distortion caused by interference is effectively avoided through the arranged total shielding layer 4 and the guide line 2; in addition, because the filling layer 3 made of asbestos powder materials is filled in the gap between the wire core 1 and the flow guide line 2, the filling layer 3 can not only play a role in isolating and fixing the wire core 1 and the flow guide line 2, but also has a heat insulation function; finally, because the insulating layer 12 and the outer anti-nesting layer 5 are both formed by extruding high-density polyethylene, the stability of the insulating layer 12 and the outer anti-nesting layer 5 can be greatly improved.

In summary, the network wire provided by the utility model adopts a four-core symmetrical cabling structure, so that the manufacturing cost can be reduced, the total shielding layer 4 is of a double-shielding structure consisting of the aluminum-plastic composite tape layer 41 and the copper wire braided shielding layer 42, the external magnetic field interference can be greatly improved, the signal distortion problem caused by the interference can be effectively prevented, and the network wire has the advantages of simple structure, strong interference resistance, stable performance, capability of meeting the transmission and use requirements of intelligent equipment, strong practicability and suitability for popularization and application.

Claims

1. A parallel symmetric network wire, comprising: the shielding structure comprises wire cores (1), flow guide lines (2), a filling layer (3), a total shielding layer (4) and an outer anti-jacket layer (5), wherein the number of the wire cores (1) is four, the four wire cores (1) are arranged to be mutually tangent and are arranged in a symmetrical state, one flow guide line (2) is arranged on the outer side of the tangent position of one adjacent two wire cores (1), the total shielding layer (4) is arranged on the outer sides of the wire cores (1) and the flow guide lines (2), the filling layer (3) is arranged in the total shielding layer (4), and the filling layer (3) is filled in the gap between the wire cores (1) and the flow guide lines (2) and used for isolating and fixing the relative position between the wire cores (1) and the flow guide lines (2); an outer anti-jacket layer (5) is arranged outside the total shielding layer (4).

2. A parallel symmetric network conductor according to claim 1, characterized in that: the cable core (1) comprises a conductor (11) and an insulating layer (12) arranged outside the conductor (11), wherein the conductor (11) is formed by stranding a plurality of oxygen-free copper soft conductors with the purity of 4N or 5N, and the insulating layer (12) is formed by extruding high-density polyethylene.

3. A parallel symmetric network conductor according to claim 1, characterized in that: the diversion line (2) is formed by stranding 7-10 bare copper wires with the diameter of 0.127 mm.

4. A parallel symmetric network conductor according to claim 1, characterized in that: the filling layer (3) is filled in the gap between the wire core (1) and the flow guide line (2) by adopting asbestos powder material.

5. A parallel symmetric network conductor according to claim 1, characterized in that: total shielding layer (4) are double-shielded structure, weave shielding layer (42) including compound belted layer of plastic-aluminum (41) and copper wire, wherein compound belted layer of plastic-aluminum (41) takes the bilayer to overlap around the package structure, and it is around the package overlap ratio control between 45 ~ 50%, shielding layer (42) are woven to the copper wire sets up in compound belted layer of plastic-aluminum (41) outside, shielding layer (42) are woven to the copper wire adopts the diameter to weave the copper wire that forms for 0.1 ~ 0.3mm and weave the copper mesh structure, the density of weaving of copper mesh structure is 85 ~ 90%.

6. A parallel symmetric network conductor according to claim 1, characterized in that: the outer anti-nesting layer (5) is formed by extruding high-density polyethylene.