CN112992410A

CN112992410A - Ethernet cable

Info

Publication number: CN112992410A
Application number: CN201911278711.4A
Authority: CN
Inventors: 薛涛
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2021-06-18

Abstract

The invention relates to an Ethernet cable which comprises an inner core, a silver-plated soft copper wire braided shielding layer and a perfluorinated ethylene propylene copolymer sheath, wherein the perfluorinated ethylene propylene copolymer sheath is wrapped outside the inner core and the silver-plated soft copper wire braided shielding layer, the inner core comprises a PTFE microporous belt and conductors, the conductors comprise four silver-plated soft copper conductors which are symmetrically arranged, perfluorinated ethylene propylene copolymer insulating layers are wrapped outside the silver-plated soft copper conductors, and filling strips are arranged in the centers of the four silver-plated soft copper conductors. Back-twist the stranding through adopting four silver-plated soft copper conductors, through back-twist in order to eliminate the phenomenon that the single line rotation appears in the stranding in-process, guarantee single line conductor and insulating adhesive force, reduce characteristic impedance's fluctuation, add 1 diameter at the center during the stranding and be 0.58 mm's poly perfluoro ethylene propylene filling strip, make cable construction more stable, be favorable to cable characteristic impedance's stability, also reduced the decay simultaneously.

Description

Ethernet cable

Technical Field

The present invention relates to an ethernet cable.

Background

The demand of situation development at home and abroad, the investment of China on national defense equipment is more and more, along with the rapid improvement of the technological level of the equipment, the quantity of required special electric wires and cables is more and more, and especially, the military Ethernet cable is more widely applied. At present, the market mainly depends on imported bus cables as matching products of military equipment, and a large amount of the imported bus cables are applied to military equipment in China, so that the cable purchase period is long, the price is high, and manufacturers in war time and abroad often lock the forbidden operation of China. In order to get rid of the embarrassment of people, military special cables with high quality, high performance and high reliability must be developed independently.

Disclosure of Invention

In order to overcome the defects, the invention provides an Ethernet cable which has the characteristics of light weight, small outer diameter, high and low temperature resistance and various strong acid and strong alkali resistance.

The technical scheme adopted by the invention for solving the technical problems is as follows: an Ethernet cable comprises an inner core, a silver-plated soft copper wire braided shielding layer, a perfluorinated ethylene propylene copolymer sheath wrapping the inner core and the silver-plated soft copper wire braided shielding layer, wherein the inner core comprises a PTFE microporous belt and conductors, the conductors comprise four silver-plated soft copper conductors which are symmetrically arranged, perfluorinated ethylene propylene copolymer insulating layers are wrapped outside the silver-plated soft copper conductors, and filling strips are arranged in the centers of the four silver-plated soft copper conductors.

In a preferred embodiment of the invention, the thickness of the silver coating layer wrapped outside the silver-coated soft copper conductor is more than or equal to 2 mu m.

In a preferred embodiment of the invention, the polyfluorinated ethylene propylene sheath is translucent blue in color, and the sheath extrusion outside diameter is controlled to be (4.4 mm 0.2) mm.

The invention has the beneficial effects that: after adopting above-mentioned structure, back and turn round the stranding through adopting 4 insulating wire cores, turn round the phenomenon in order to eliminate the stranding in-process and appear the single line rotation through returning, guarantee single line conductor and insulating adhesive force, reduce the fluctuation of characteristic impedance, add 1 diameter at the center during the stranding and be 0.58 mm's poly perfluoro ethylene propylene filler strip, make cable construction more stable, be favorable to cable characteristic impedance's stability, also reduced the decay simultaneously.

Drawings

FIG. 1 is a schematic diagram of the present invention.

In the figure: 1. silver-plated soft copper wire braided shielding layers; 2. a fluorinated ethylene propylene sheath; 3. a PTFE microporous tape; 4. silver-plated soft copper conductors; 5. a fluorinated ethylene propylene insulating layer; 6. and (6) filling the strip.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

As shown in figure 1, the Ethernet cable comprises an inner core, a silver-plated soft copper wire braided shielding layer 1 and a perfluorinated ethylene propylene copolymer sheath 2 wrapping the inner core and the silver-plated soft copper wire braided shielding layer 1, wherein the inner core comprises a PTFE microporous belt 3 and conductors, the conductors comprise four silver-plated soft copper conductors 4 which are symmetrically arranged, a perfluorinated ethylene propylene copolymer insulating layer 5 is wrapped outside the silver-plated soft copper conductors 4, and a filling strip 6 is arranged in the center of the silver-plated soft copper conductors 4. Back-twist the stranding through adopting four silver-plated soft copper conductors, through back-twist in order to eliminate the phenomenon that the single line rotation appears in the stranding in-process, guarantee single line conductor and insulating adhesive force, reduce characteristic impedance's fluctuation, add 1 diameter at the center during the stranding and be 0.58 mm's poly perfluoro ethylene propylene filling strip, make cable construction more stable, be favorable to cable characteristic impedance's stability, also reduced the decay simultaneously.

In a preferred embodiment of the invention, the thickness of the silver coating layer wrapped outside the silver-coated soft copper conductor 4 is more than or equal to 2 μm. The inner copper material of the silver-plated round copper wire provides excellent mechanical property, the outer silver layer provides good signal transmission performance, and the data transmission performance of the cable is improved.

In a preferred embodiment of the invention, the polyfluorinated ethylene propylene sheath 2 is translucent blue in color, and the sheath extrusion outside diameter is controlled to be (4.4 mm 0.2) mm. The fluorinated ethylene propylene sheath material which has the same temperature resistance grade with the insulating material and has the advantages of cracking resistance and low melt index is adopted, so that the insulating property of the cable is ensured.

It is to be emphasized that: the above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An ethernet cable, comprising: the polyfluorinated ethylene propylene sheath comprises an inner core, a silver-plated soft copper wire braided shielding layer, an outer wrapping inner core and a perfluorinated ethylene propylene sheath of the silver-plated soft copper wire braided shielding layer, wherein the inner core comprises a PTFE micropore strip and conductors, the conductors comprise four silver-plated soft copper conductors which are symmetrically arranged, perfluorinated ethylene propylene insulating layers are wrapped outside the silver-plated soft copper conductors, and filling strips are arranged in the centers of the four silver-plated soft copper conductors.

2. The ethernet cable according to claim 1, wherein: the thickness of the silver coating layer wrapped outside the silver-coated soft copper conductor is more than or equal to 2 mu m.

3. The ethernet cable according to claim 1, wherein: the color of the fluorinated ethylene propylene sheath is semitransparent blue, and the extruded outer diameter of the sheath is controlled to be (4.4 mm and 0.2 mm).