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Anti-interference cable and preparation method thereof

A cable and insulating layer technology, applied in the field of anti-interference cable and its preparation, can solve the problems of short signal transmission distance, distortion, weak anti-signal interference ability, etc., and achieve the effects of superior performance, low cost and novel process

Pending Publication Date: 2022-07-12
重庆智荟数创科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the vicinity of the electromagnetic field or when the distance between the two cables is relatively close, the signal transmitted by the inner conductor of the cable may also be interfered by the external signal, resulting in the weakening of the internal signal or the phenomenon of signal distortion.
Ordinary cables do not have strong anti-signal interference ability inside and outside, so signal transmission errors often occur, signal transmission distance is short, etc.

Method used

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  • Anti-interference cable and preparation method thereof
  • Anti-interference cable and preparation method thereof
  • Anti-interference cable and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Example 1 Anti-interference cable

[0039] like figure 1 As shown, an anti-interference cable includes an insulating layer 2, characterized in that an inner core 1 is arranged at the center of the insulating layer 2, and a middle core protective layer 9 is arranged outside the inner core 1, and the middle core The protective layer 9 is bonded in the insulating layer 2, and a plurality of conductors 8 are arranged in the circumference of the inner core 1 at equal intervals. The outer side of each conductor 8 is bonded with an inner shielding layer 6 through epoxy resin. The outer side walls of the inner shielding layer 6 are all bonded with an inner protective layer 5 through epoxy resin, and the inner protective layer 5 is bonded to the insulating layer 2, and an outer shielding layer is provided on the outer side wall of the insulating layer 2. Layer 7.

[0040] An outer protective layer 3 is provided on the outer side wall of the above-mentioned outer shielding laye...

Embodiment 2

[0042] Embodiment 2 The preparation method of anti-jamming cable

[0043] like figure 1 As shown, the preparation method of the above-mentioned anti-interference cable includes the following steps:

[0044] Step 1: Electrolytic copper smelting, continuous casting and rolling to produce Φ8.0mm electrolytic copper rods;

[0045] Step 2: Drawing, annealing and tinning the Φ electrolytic copper rod to make Φ2.5mm soft copper wire;

[0046] Step 3: Twist 19 tinned soft copper wires of Φ2.52mm into bundles, and twist them into 95-140mm with an outer diameter of 12.7mm 2 the conductor;

[0047] Step 4: The insulating layer 2 and the inner shielding layer 6 constitute the insulating shielding layer, and an extrusion die is used;

[0048] Step 5: Wrap the inner shielding layer 6 with an outer diameter of 21.8mm and an oxygen-free soft copper tape with a thickness of 0.1mm and a width of 19mm in the insulating shielding layer;

[0049] Step 6: Wrap a barrier layer with a thickness ...

Embodiment 3

[0054] Embodiment 3 The preparation method of anti-jamming cable

[0055] like figure 1 As shown, the preparation method of the above-mentioned anti-interference cable includes the following steps:

[0056] Step 1: Electrolytic copper smelting, continuous casting and rolling to produce Φ4mm electrolytic copper rods;

[0057]Step 2: Drawing, annealing and tinning the Φ electrolytic copper rod to make Φ3.25mm soft copper wire;

[0058] Step 3: Twist 19 tinned soft copper wires of Φ2.52mm into bundles, and twist them into 140mm with an outer diameter of 12.7mm 2 the conductor;

[0059] Step 4: The insulating layer 2 and the inner shielding layer 6 constitute the insulating shielding layer, and an extrusion die is used;

[0060] Step 5: Wrap the inner shielding layer 6 with an outer diameter of 21.8 mm and an oxygen-free soft copper tape with a thickness of 0.5 mm and a width of 32 mm in the insulating shielding layer;

[0061] Step 6: Wrap a barrier layer with a thickness of...

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Abstract

The invention discloses an anti-interference cable which comprises an insulating layer, an inner core is arranged in the center of the insulating layer, a middle core protection layer is arranged outside the inner core and bonded in the insulating layer, and a plurality of conductors are annularly arranged on the periphery of the inner core at equal intervals. An inner shielding layer is adhered to the outer side of each conductor through epoxy resin, an inner protection layer is adhered to the outer side wall of each inner shielding layer through epoxy resin, the inner protection layers are adhered to the insulating layer, and an outer shielding layer is arranged on the outer side wall of the insulating layer. By adopting the device component design, the anti-interference cable with excellent performance can be obtained, and the device component design is low in manufacturing cost and novel in process.

Description

technical field [0001] The present invention relates to the field of anti-jamming cable devices, in particular to an anti-jamming cable and a preparation method thereof. Background technique [0002] A cable is usually a rope-like cable consisting of several or groups of conductors [at least two strands in each group, insulated from each other and often twisted around a center, with a high degree of insulation on the entire outer surface. the covering layer. Many are erected in the air or installed underground or underwater for telecommunication or power transmission. [0003] In the vicinity of the electromagnetic field or when the distance between the two cables is relatively short, the signal transmitted by the conductor in the cable may also be interfered by the external signal, resulting in the weakening of the internal signal or the occurrence of signal distortion. The internal and external anti-interference ability of ordinary cables is not strong, so signal transmi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/17H01B13/26
CPCH01B7/17H01B13/2613Y02A30/14
Inventor 冒廷剑
Owner 重庆智荟数创科技有限公司
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