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Novel computer transmission cable and manufacturing method therefor

A transmission cable and computer technology, which is applied in the field of new computer transmission cables and its preparation, can solve the problems of not meeting the requirements of computer cables, large dielectric loss, slow transmission rate, etc., to achieve reduced dielectric loss and attenuation, and strong electrical conductivity , Improve the effect of anti-aging

Active Publication Date: 2016-08-10
ANHUI LIANJIAXIANG SPECIAL CABLE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, conventional computer cables have slow transmission rate, large dielectric loss, and large attenuation, which can no longer meet the market's demand for computer cables.

Method used

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  • Novel computer transmission cable and manufacturing method therefor

Examples

Experimental program
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Effect test

preparation example Construction

[0050] The present application also provides a method for preparing a new type of computer transmission cable. Since the process control conditions in the cable preparation process are prior art, details will not be repeated here. Wherein, the preparation method comprises the following steps:

[0051] S1. Preparing the conductor: drawing and twisting the conductor material to obtain the conductor 8 .

[0052] Specifically, the preparation of the conductor 8 includes three sub-steps: material selection, wire drawing and stranding. Material selection: Select the conductor material used according to the requirements of preparing different cables, such as choosing an electrical round copper rod as the conductor material; wire drawing: draw and anneal the conductor material to obtain annealed oxygen-free copper wire, the diameter of the annealed oxygen-free copper wire 0.15 mm; Stranding: the annealed oxygen-free copper wire obtained by wire drawing is bundled into a conductor 8 b...

Embodiment 1

[0060] S1. Prepare the conductor: draw and twist the conductor material to obtain the conductor 8;

[0061] S2. Extruding the insulating layer: using an extrusion mold to coat the insulating layer 9 made of LDPE material on the outside of the conductor 8, so as to obtain the insulating core wire 6;

[0062] S3. Prepare the inner core unit: twist two insulated core wires 6, and wrap the second shielding layer 5 around the two insulated core wires 6 to obtain the inner core unit 40;

[0063] S4. Prepare the cable inner core: twist a plurality of inner core units 40 in a concentric twisting manner to obtain the cable inner core 4;

[0064] S5. Wrapping isolation layer: evenly wrap the isolation layer 3 on the outside of the cable inner core 4, and the isolation layer 3 is wrapped by polyester tape;

[0065] S6, extruding the first shielding layer: evenly covering the first shielding layer 2 formed by braiding tinned copper wires on the outside of the isolation layer 3;

[0066]...

Embodiment 2

[0069] S1. Prepare the conductor: draw and twist the conductor material to obtain the conductor 8;

[0070] S2. Extruding the insulating layer: using an extrusion mold to coat the insulating layer 9 made of LDPE material on the outside of the conductor 8, so as to obtain the insulating core wire 6;

[0071] S3. Prepare the inner core unit: twist two insulated core wires 6, and wrap the second shielding layer 5 around the two insulated core wires 6 to obtain the inner core unit 40;

[0072] S4. Prepare the cable inner core: twist a plurality of inner core units 40 in a concentric twisting manner to obtain the cable inner core 4;

[0073] S5. Wrapping isolation layer: evenly wrap the isolation layer 3 on the outside of the cable inner core 4, and the isolation layer 3 is wrapped by polyester tape;

[0074] S6, extruding the first shielding layer: evenly covering the first shielding layer 2 formed by braiding tinned copper wires on the outside of the isolation layer 3;

[0075]...

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Abstract

The invention discloses a novel computer transmission cable and a manufacturing method therefor. The cable comprises cable cores, an isolation layer, a first shielding layer, and a sheath layer, wherein the isolation layer, the first shielding layer and the sheath layer sequentially wrap the cable cores. Each cable core is twisted by a plurality of core units, and each core unit comprises two twisted insulating core wires and a second shielding layer wrapping two insulating core wires. The first shielding layer and the second shielding layer are respectively formed by the braiding of first copper wires, wherein the braiding density of the first copper wires is greater than 80%. The insulating core wires respectively comprise a conductor and an insulating layer wrapping the conductor. The conductors are respectively formed by the twisting of a plurality of second copper wires, wherein the diameter of each second wire is less than 0.18mm. The beneficial effects of the invention are that the insulating core wires employ a double-shielding mode: branch shielding and main shielding; the transmission speed of the cable is further increased; and the dielectric loss and attenuation of the cable are reduced.

Description

technical field [0001] The invention relates to the technical field of power cables, and more specifically, relates to a novel computer transmission cable and a preparation method thereof. Background technique [0002] With the popularity and application of computers and computer network systems in recent years, the performance requirements for computer cables are also getting higher and higher. However, conventional computer cables have slow transmission rate, large dielectric loss, and large attenuation, which can no longer meet the market's demand for computer cables. Therefore, it is urgent to develop a new type of computer cable to meet the needs of the market, which is the development trend of computer cables. The present invention provides a new type of computer cable to meet market demands. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a new type of computer transmission cable and its preparation meth...

Claims

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Application Information

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IPC IPC(8): H01B11/06H01B7/00H01B7/02H01B7/18H01B7/295H01B13/02
Inventor 黄冬莲
Owner ANHUI LIANJIAXIANG SPECIAL CABLE
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