CN216957504U

CN216957504U - Novel high-speed parallel line

Info

Publication number: CN216957504U
Application number: CN202123020883.7U
Authority: CN
Inventors: 徐竞争; 舒钱章; 陈丹; 金哲
Original assignee: Huizhou LTK Electronic Cable Co Ltd; LTK Electric Wire Huizhou Co Ltd; LTK Electric Wire Changzhou Co Ltd
Current assignee: Huizhou LTK Electronic Cable Co Ltd; LTK Electric Wire Huizhou Co Ltd; LTK Electric Wire Changzhou Co Ltd; Shenzhen Woer Special Cable Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-07-12
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to the technical field of signal cables, in particular to a novel high-speed parallel line, which comprises two parallel line bodies which are mutually parallel, a ground wire which is arranged between the parallel line bodies in parallel, and an outer sheath which wraps the ground wire and the parallel line bodies; the parallel line body comprises a wire core, an insulating layer and a shielding layer which are wrapped from inside to outside; the outer sheath comprises a section of hollow tube extending along the extension direction of the parallel line body. This technical scheme adopts when air traffic control parcel ground wire and parallel line body, has avoided causing the signal interference of wire rod when the PET band winding, is favorable to extending by a wide margin of wire rod transmission frequency width, and simple and easy mode makes the cable signal more quick more reliable, satisfies the information interaction demand.

Description

Novel high-speed parallel line

Technical Field

The utility model relates to the technical field of cables, in particular to a novel high-speed parallel line.

Background

In the process of abundant material civilization, people improve the living standard, the network developed at a high speed always surrounds the aspects of life, and the application field of the high-speed data cable is wider and wider.

High-speed parallel lines are data cable commonly used, traditional high-speed parallel line structure generally forms for PET band spiral winding wire rod, but under the same condition of shielding layer at the wire rod, the winding pitch of PET band can change the shielding electromagnetic field of wire rod, when the winding pitch of PET band is big more, the reflection decay of wire rod signal can be big more, make wire rod signal conduction receive the interference and serious loss, cause the poor problem of wire rod signal stability, need adopt the coiler to twine to the wire rod after the processing when the winding of PET band simultaneously, cause the high-speed problem of parallel lines manufacturing cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a novel high-speed parallel line, and the technical scheme provided by the utility model ensures that the ground line and the parallel line body are wrapped by an empty pipe, avoids signal interference of the wire when a PET (polyethylene terephthalate) wrapping tape is wound, simplifies the structure, enables a cable signal to be faster and more reliable in a simple mode, and meets the information interaction requirement.

In order to achieve the aim, the utility model provides a novel high-speed parallel line, which comprises two parallel line bodies which are mutually parallel, a ground wire which is arranged between the parallel line bodies in parallel, and an outer sheath which wraps the ground wire and the parallel line bodies; the parallel line body comprises a wire core, and an insulating layer and a shielding layer which wrap the wire core from inside to outside; the outer sheath comprises a section of hollow tube extending along the extension direction of the parallel line body.

Preferably, the inner side wall of the hollow tube is tightly attached to the ground wire and the outer surface of the parallel line body, and the hollow tube is made of PP or PE or FEP with the thickness of 0.05mm-0.35 mm.

Preferably, the manufacturing material of the wire core is a conductive material.

Preferably, the shielding layer is a metal shielding tape, and the insulating layer is covered by the metal shielding tape 100%.

From the above, the novel high-speed parallel line provided by the utility model can obtain the following beneficial effects: the hollow pipe is adopted to wrap the parallel line body, so that the requirement of fixing the wire rod is met, meanwhile, the electromagnetic field interference generated when the PET wrapping belt is spirally wound at different pitches is avoided, the large extension of the transmission bandwidth of the wire rod is facilitated, and the effect of stabilizing the signal of the wire rod is realized; the winding equipment investment during the winding of the PET wrapping tape is reduced through the hollow pipe, the production cost and the production procedures of the wire are reduced, and the purpose of improving the production efficiency of the wire is achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present invention or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the utility model, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a schematic diagram of a novel high-speed parallel line structure according to an embodiment of the present invention.

In the figure: 1 parallel line body, 2 ground wires, 3 oversheath, 11 sinle silks, 12 insulating layers, 13 shielding layers, 31 hollow pipes, 131 metal shielding area.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In order to solve the above technical problem, the present embodiment provides a novel high-speed parallel line, and the ground line 2 and the parallel line body 1 are wrapped by the hollow tube 31. The concrete structural characteristics are as follows:

referring to fig. 1, the novel high-speed parallel line provided in this embodiment includes two parallel line bodies 1 parallel to each other, a ground line 2 disposed between the parallel line bodies 1 in parallel, and an outer sheath 3 wrapped around the ground line 2 and the parallel line bodies 1; the parallel line body 1 comprises a wire core 11, an insulating layer 12 and a shielding layer 13, wherein the insulating layer 12 and the shielding layer 13 wrap the wire core 11 from inside to outside; the outer sheath 3 comprises a length of hollow tube 31 extending in a direction parallel to the extension of the body 1.

Specifically, in order to realize the signal transmission stability of the wire rod, as shown in fig. 1, two parallel line bodies 1 which are parallel to each other are arranged, and each parallel line body comprises a wire core 11, an insulating layer 12 and a shielding layer 13 which are arranged in a wrapping manner from inside to outside, effective anti-interference capability is obtained by the parallel of the parallel line bodies 1, the wire core 11 is made of a conductive material in order to ensure the transmission of signals, and the wire core 11 is wrapped with the insulating layer 12 in order to prevent the wire core 11 from sending short circuit; in order to further improve the signal stability of the wire rod, the shielding layer 13 is wrapped on the outer side of the insulating layer 12 to improve the signal shielding effect of the wire rod, in order to facilitate processing and save cost, the shielding layer 13 is a metal shielding tape 131, and in order to fully exert the shielding effect of the metal shielding tape 131, 131100% of the metal shielding tape is covered on the insulating layer 12.

In order to improve the safety and stability of the wire conduction, as shown in fig. 1, a ground wire 2 is arranged in parallel between two parallel line bodies 1, the ground wire 2 prevents the wire from generating an excessively high short-circuit current due to short circuit, and meanwhile, the ground wire 2 is arranged between the two parallel line bodies 1, so that the volume of the wire can be further reduced, and the packaging is convenient.

In order to wrap and fix the parallel line body 1, as shown in fig. 1, an outer sheath 3 wrapped on the ground line 2 and the parallel line body 1 is arranged, the ground line 2 and the parallel line body 1 are protected in a buffering mode through the outer sheath 3, meanwhile, the wire is further used for being bound and fixed, the use of a PET wrapping tape is avoided, electromagnetic field interference generated when the PET wrapping tape is spirally wound at different pitches is reduced, the effect of improving the transmission bandwidth of the wire is achieved, the use requirements of the wire on various different transmission bandwidths are met, meanwhile, the processing procedure of winding the wire on the PET wrapping tape is reduced, and the production cost of the wire is further reduced; for the convenience of processing, oversheath 3 is a section of hollow tube 31 that extends along parallel lines body 1 extending direction, and when processing through parallel lines body 1, extrude parallel lines body 1 together with hollow tube 31 through the extruder, make the inside wall of hollow tube 31 hug closely in ground wire 2 and parallel lines body 1's surface, reach the fixed effect of parcel, simultaneously in order to reduce cost, the material of hollow tube 31 is PP or PE or FEP that thickness is 0.05mm-0.35 mm.

Based on the novel high-speed parallel lines, the processing flow is as follows:

step 1: selecting two wire cores 11 made of copper materials, enabling an insulating layer 12 to cover the two wire cores 11 to form an insulating wire core 11, and meanwhile wrapping the insulating wire core 11 with a metal shielding band to form a shielding wire core 11; two parallel line bodies 1 which are parallel to each other are formed through the shielding wire core 11, so that signal attenuation of wire transmission frequency is reduced.

Step 2: the parallel line body 1 is connected into an extruder, the PE hollow pipe 31 is extruded together with the parallel line body 1 and the ground line 2 by the extruder in the thickness of 0.3mm, the hollow pipe 31 completely wraps the parallel line body 1 and the ground line 2 and is extruded together, and wrapping and fixing of the wires are achieved.

According to the novel high-speed parallel line, the hollow pipe 31 is adopted to wrap the parallel line body 1, so that the requirement of fixing the wire rod is met, meanwhile, the electromagnetic field interference generated when the PET wrapping belt is spirally wound at different pitches is avoided, the large extension of the transmission bandwidth of the wire rod is facilitated, and the effect of stabilizing the signal of the wire rod is realized; the hollow pipe 31 reduces the investment of winding equipment when the PET wrapping belt is wound, reduces the production cost and the production procedures of wires, and achieves the purpose of improving the production efficiency of the wires. The structure is novel and effective, and the product is more convenient and practical.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims

1. A novel high-speed parallel line is characterized in that: the grounding wire comprises two parallel line bodies which are parallel to each other, a grounding wire which is arranged between the two parallel line bodies in parallel, and an outer sheath which wraps the grounding wire and the parallel line bodies;

the parallel line body comprises a wire core, and an insulating layer and a shielding layer which wrap the wire core from inside to outside;

the outer sheath comprises a section of hollow tube extending along the extension direction of the parallel line body.

2. The novel high speed parallel line of claim 1, wherein: the inner side wall of the hollow pipe is tightly attached to the outer surfaces of the ground wire and the parallel line body, and the thickness of the hollow pipe can be 0.05mm-0.35 mm.

3. The novel high speed parallel line of claim 1 wherein: the hollow pipe is made of PP or PE or FEP materials.

4. The novel high speed parallel line of claim 1, wherein: the manufacturing material of the wire core is a conductive material.

5. The novel high speed parallel line of claim 1, wherein: the shielding layer is a metal shielding strip, and the outer periphery of the insulating layer is covered by 100% of the metal shielding strip.