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A shielded cable for waterproof computer control

A shielded cable and computer technology, applied in the field of shielded cables for waterproof computer control, can solve the problems of incompetence in normal signal transmission and anti-interference, equipment malfunction, signal distortion, etc., and achieve compact and stable internal structure of the cable, stable position, and easy effect of change

Active Publication Date: 2020-09-08
ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Computer control cables usually use good electric conductors as shielding materials, which have obvious anti-interference effect on high-frequency signals, but for some low-frequency and strong electromagnetic field interference areas, ordinary computer control cables are no longer competent for normal signal transmission and anti-interference The high requirements of high requirements will often cause some signal distortions, which will lead to equipment malfunction and major accidents in severe cases; therefore, it is necessary to design a new structure for the computer control cable structure and materials, so that the computer control cable can operate in high and low frequency bands, It has strong anti-interference performance in the environment of high-intensity electromagnetic field, and it also needs to have the performance of fireproof, waterproof, compressive and tensile

Method used

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preparation example Construction

[0029] The preparation method of described ethylene-propylene rubber elastic rod, comprises the following steps:

[0030] (1) Get sodium persulfate, join in the deionized water of its weight 120 times, stir;

[0031] (2) Mix triethanolamine and benzotriazole, add it to anhydrous ethanol 20 times the weight of the mixture, add ethylene-propylene rubber powder, raise the temperature to 70°C, and keep stirring for 2 hours to obtain a rubber powder dispersion ;

[0032] (3) Take stearic acid, heat and melt, mix with graphene oxide, heat and stir for 30 minutes, cool to normal temperature, add to the above-mentioned rubber powder dispersion, stir for 50 minutes, and modify the rubber powder solution;

[0033] (4) Take sodium acrylate, add it to the above-mentioned modified rubber powder solution, stir evenly, send it into the reaction kettle, feed nitrogen gas, adjust the temperature of the reaction kettle to 75°C, add aqueous sodium persulfate solution, and keep stirring for 5 ho...

Embodiment 2

[0036] Described ethylene-propylene rubber elastic rod is made up of the raw material of following parts by weight:

[0037] Ethylene-propylene rubber powder 140, graphene oxide 10, reducing agent 7, sodium acrylate 30, sodium persulfate 1, benzotriazole 0.3, diethylene glycol dibenzoate 2, stearic acid 6, triethanolamine 7.

[0038] The reducing agent is sodium borohydride.

[0039] The preparation method of described ethylene-propylene rubber elastic rod, comprises the following steps:

[0040] (1) Get sodium persulfate, join in the deionized water of its weight 100 times, stir;

[0041] (2) Mix triethanolamine and benzotriazole, add it to absolute ethanol with 16 times the weight of the mixture, add ethylene-propylene rubber powder, raise the temperature to 60°C, keep stirring for 1 hour, and obtain the rubber powder dispersion ;

[0042] (3) Take stearic acid, heat and melt, mix with graphene oxide, keep warm and stir for 20 minutes, cool to normal temperature, add to t...

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Abstract

The invention discloses a shielded cable for waterproof computer control, wherein a rubber skeleton comprises four circular skeletons with different radii sizes, the left end sides of the four circular skeletons are fixedly connected together and then nested in order according to the radii sizes, first cores are provided in all the four circular skeletons, two second cores are further provided inthe second circular skeleton, two second cores and two third cores are further disposed in the third circular skeleton, two second cores and four third cores are further disposed in the fourth circular skeleton, and the first cores comprise first conductors. In the shielded cable, protrusions set on the skeletons can make the positions of the cores more stable and difficult to change, the waterproof canvas taped covering has good waterproof effect, the inner sheath layer of lead alloy can be used as a waterproof sheath to ensure that the cable core conductors are protected from moisture wet attack, the coated asphalt can improve seawater corrosion resistance, the pearlescent sand composite filling layer has good fireproof and heat insulation effect, and the ethylene-propylene rubber elastic rod increases the cable softness.

Description

technical field [0001] The invention relates to the technical field of cables, in particular to a shielded cable for waterproof computer control. Background technique [0002] Computer control cables usually use good electric conductors as shielding materials, which have obvious anti-interference effect on high-frequency signals, but for some low-frequency and strong electromagnetic field interference areas, ordinary computer control cables are no longer competent for normal signal transmission and anti-interference The high requirements of high requirements will often cause some signal distortions, which will lead to equipment malfunction and major accidents in severe cases; therefore, it is necessary to design a new structure for the computer control cable structure and materials, so that the computer control cable can operate in high and low frequency bands, It has strong anti-interference performance in the environment of high-intensity electromagnetic field, and it also...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01B7/18H01B7/20H01B7/28H01B7/282H01B7/29H01B3/28C08L23/16C08K3/04C08K5/3475C08K5/09
Inventor 董吟梅陆秀国王友香杨茂明
Owner ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP
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