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10-gigabit Ethernet cable and preparation method thereof

A technology of Ethernet and wire cores, applied in the field of Ethernet cables, can solve the problems of overweight cables, insufficient transmission speed of aerospace data bus, insufficient bandwidth, etc., and achieve the effects of low loss, excellent shielding performance, and light weight

Inactive Publication Date: 2020-09-18
WUHU HANGTIAN SPECIAL CABLE FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a 10 Gigabit Ethernet cable and a preparation method thereof. The 10 Gigabit Ethernet cable has high transmission capacity, light weight, anti-interference, low loss, high temperature resistance and excellent shielding performance, and can solve the problem of traditional aerospace data bus Insufficient transmission speed, insufficient bandwidth and heavy cables, etc., and the preparation method has the characteristics of easy operation

Method used

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  • 10-gigabit Ethernet cable and preparation method thereof

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preparation example Construction

[0029] The present invention also provides a preparation method of the above-mentioned 10 Gigabit Ethernet cable, the preparation method comprising:

[0030] 1) Twisting silver-plated copper wires to form a core wire unit 1, wrapping polytetrafluoroethylene on the outside of the wire core to obtain a wire core, and twisting multiple wire cores into a multi-core star-stranded wire;

[0031] 2) Wrap the polyimide composite aluminum strip around the outside of the multi-core star-stranded wire to form the first shielding layer 3;

[0032] 3) braiding silver-plated copper wires outside the first shielding layer 3 to form a second shielding layer 4;

[0033] 4) Wrap the cross-linked ethylene-tetrafluoroethylene copolymer on the outside of the second shielding layer 4 to form a sheath 5 .

[0034] In the above preparation method, the coating conditions in step 1) can be selected in a wide range. In order to further improve the signal transmission capability and transmission quality...

Embodiment 1

[0039] 1) Twisted 19 strands of silver-plated copper wires with a diameter of 0.102mm to form the core wire unit 1, extruded polytetrafluoroethylene on the outside of the core wire, and then sintered (at a temperature of 250°C and a vacuum degree of 110KPa, the traction speed is 80m / min) to form an insulating layer 2 (thickness is 0.15mm) to obtain the wire core, and 4 said wire cores are star-stranded in a high-speed star twisting machine (the traction speed is 6m / min, and the cabling The pitch is 37mm) to obtain a multi-core star stranded wire;

[0040] 2) Wrap the polyimide composite aluminum strip around the multi-core star stranded wire and a polytetrafluoroethylene filled core 6 to form the first shielding layer 3 (thickness is 0.15mm);

[0041] 3) braiding silver-plated copper wires on the outside of the first shielding layer 3 to form a second shielding layer 4 (thickness is 0.40mm);

[0042] 4) Extrude the cross-linked ethylene-tetrafluoroethylene copolymer on the ou...

Embodiment 2

[0044] 1) Twisting 19 strands of silver-plated copper wires with a diameter of 0.102mm to form a core wire unit 1, extruding polytetrafluoroethylene on the outside of the core wire, and then sintering (at a temperature of 230°C and a vacuum degree of 130KPa, the traction speed is 60m / min) to form an insulating layer 2 (thickness is 0.18mm) to obtain the wire core, and 6 said wire cores are star-stranded in a high-speed star twisting machine (the traction speed is 3m / min, and the cabling The pitch is 32mm) to obtain a multi-core star stranded wire;

[0045] 2) Wrap the polyimide composite aluminum strip around the multi-core star stranded wire and a polytetrafluoroethylene filled core 6 to form a first shielding layer 3 (thickness is 0.16mm);

[0046] 3) braiding silver-plated copper wires on the outside of the first shielding layer 3 to form a second shielding layer 4 (thickness is 0.45mm);

[0047] 4) Extrude the cross-linked ethylene-tetrafluoroethylene copolymer on the outsi...

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Abstract

The invention discloses a 10-gigabit Ethernet cable and a preparation method thereof. The cable comprises a multi-core star twisted wire, a first shielding layer, a second shielding layer and a sheathwhich are sequentially sleeved from inside to outside; the multi-core star twisted wire comprises a plurality of wire cores, each wire core comprises a core wire unit and an insulating layer, the insulating layers are arranged outside the core wire units, the wire cores are formed by twisting silver-plated copper wires, the insulating layers are polytetrafluoroethylene insulating layers, the first shielding layer is a polyimide composite aluminum tape wrapping layer, and the second shielding layer is a silver-plated copper wire braided layer; and the sheath is a crosslinked ethylene-tetrafluoroethylene copolymer sheath layer. The 10-gigabit Ethernet cable has the advantages of being high in transmission capacity, light in weight, resistant to interference, low in loss, resistant to high temperature, excellent in shielding performance and capable of solving the problems that a traditional aerospace data bus is insufficient in transmission speed, bandwidth and cable weight and the like,and the preparation method has the advantage of being convenient to operate.

Description

technical field [0001] The invention relates to an Ethernet cable, in particular to a ten-gigabit Ethernet cable and a preparation method thereof. Background technique [0002] With the continuous advancement of aerospace technology, aerospace electronic systems are developing from integration to high-level integration centered on information exchange. The demand for ultra-high-speed data connection and transmission is increasing, which requires a large increase in bus bandwidth on aerospace equipment. Compared with the traditional avionics bus IEEE802.3 and 1553B, the 10 Gigabit Ethernet cable used by aerospace electronics as a representative of the new generation of data bus has outstanding features. [0003] As an important part of the spacecraft data transmission system, it is indispensable in the information transmission system. Cosmic rays, low pressure, and vacuum environments will have a great impact on its performance, and the incompatibility of the product in the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/17H01B3/44H01B7/02H01B7/18H01B11/06H01B13/00H01B13/02H01B13/14H01B13/22H01B13/24H01B7/29
CPCH01B3/445H01B7/02H01B7/17H01B7/18H01B7/29H01B11/06H01B13/00H01B13/02H01B13/14H01B13/22H01B13/24
Inventor 米春海付利梅章新能陶征洁何想想
Owner WUHU HANGTIAN SPECIAL CABLE FACTORY
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