CN109767869B - Waterproof computer control shielded cable - Google Patents
Waterproof computer control shielded cable Download PDFInfo
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- CN109767869B CN109767869B CN201910252636.8A CN201910252636A CN109767869B CN 109767869 B CN109767869 B CN 109767869B CN 201910252636 A CN201910252636 A CN 201910252636A CN 109767869 B CN109767869 B CN 109767869B
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Abstract
The invention discloses a waterproof computer control shielded cable, wherein a rubber framework comprises four circular frameworks with different radiuses, the left end side faces of the four circular frameworks are fixedly connected together and are sequentially nested according to the radiuses, first wire cores are arranged in the four circular frameworks, two second wire cores are also arranged in the second circular framework, two second wire cores and two third wire cores are also arranged in the third circular framework, two second wire cores and four third wire cores are also arranged in the fourth circular framework, and the first wire cores comprise first conductors. The bulges are arranged on the framework, so that the position of the wire core is more stable and is not easy to change; the waterproof canvas is good around covering water-proof effects, and lead alloy inner sheath layer can guarantee as waterproof sheath that cable core conductor avoids the invasion and attack of moisture water wet, and the sea water corrosion resistance can be improved to the pitch of coating, and the compound filling layer of pearlite is fire-proof thermal-insulated effectual, and the softness performance of cable is increased to the EPR rubber elasticity stick.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a waterproof shielding cable for computer control.
Background
The computer control cable usually adopts a good electric conductor as a shielding material, has obvious anti-interference effect on high-frequency signals, but for certain low-frequency and strong electromagnetic field interference areas, the common computer control cable can not meet the high requirements of normal signal transmission and anti-interference, can often generate partial signal distortion, and can cause equipment malfunction to generate major accidents in serious cases; therefore, the design of new structure of the computer control cable structure and material is needed, so that the computer control cable has strong anti-interference performance in the environment of high-low frequency band and high-strength electromagnetic field, and also needs to have fireproof, waterproof, compression-resistant and tensile properties.
Disclosure of Invention
The invention aims to make up the defects of the prior art and provides a waterproof computer control shielded cable.
The invention is realized by the following technical scheme:
the utility model provides a waterproof computer control shielded cable, including rubber skeleton, rubber skeleton including four circular skeletons that the radius size is unequal, the left end side fixed connection of four circular skeletons together is according to the radius size intussusception in proper order again, all is equipped with first sinle silk in four circular skeletons, still is equipped with two second sinle silks in the circular skeleton of second, still is equipped with two second sinle silks and two third sinle silks in the circular skeleton of third, still is equipped with two second sinle silks and four third sinle silks in the circular skeleton of fourth, first sinle silk include first conductor, in the outside of first conductor cladding in proper order have micropore polytetrafluoroethylene insulating layer and copper to mould compound area layer, with two first conductors after the antithetical couplet together with carbon fiber compound plug the package of aluminium magnesium silk in the outside and weave the shielding layer, the second sinle silk include second conductor and cladding polyimide insulating layer in proper order in the second conductor outside, The shielding layer is woven to polyester film layer and silver-plated alloy silk, the third line core including the third conductor and cladding in proper order at the fluororesin insulating layer and the thin steel wire armor flame retardant coating in the third conductor outside, be equipped with a plurality of archs on the lateral wall of first circular skeleton, the circular skeleton of second and third circular skeleton respectively, the cladding has waterproof canvas in proper order in the outside of rubber skeleton to wind covering, lead alloy inner sheath layer, the compound filling layer of pearlite sand and oversheath.
The carbon fiber composite core rod is formed by stranding and bundling a plurality of strands of superfine copper tows and carbon fiber tows.
The first conductor, the second conductor and the third conductor are all formed by twisting a high-strength fiber rope and a plurality of tinned copper wire bundles.
A circle of ethylene propylene rubber elastic rod is uniformly arranged between the rubber framework and the waterproof canvas wrapping layer.
The ethylene propylene rubber elastic rod is composed of the following raw materials in parts by weight:
150 parts of ethylene-propylene rubber powder 140, 10-12 parts of graphene oxide, 7-11 parts of a reducing agent, 30-40 parts of sodium acrylate, 1-2 parts of sodium persulfate, 0.3-1 part of benzotriazole, 2-4 parts of diethylene glycol dibenzoate, 6-10 parts of stearic acid and 7-9 parts of triethanolamine.
The reducing agent is sodium borohydride.
The preparation method of the ethylene propylene rubber elastic rod comprises the following steps:
(1) adding sodium persulfate into deionized water with the weight of 100-120 times of that of the sodium persulfate, and uniformly stirring;
(2) mixing triethanolamine and benzotriazole, adding into anhydrous ethanol 16-20 times of the weight of the mixture, adding ethylene propylene rubber powder, heating to 60-70 deg.C, stirring for 1-2 hr to obtain rubber powder dispersion;
(3) taking stearic acid, heating to melt, mixing with graphene oxide, keeping the temperature, stirring for 20-30 minutes, cooling to normal temperature, adding into the rubber powder dispersion, stirring for 40-50 minutes, and modifying the rubber powder solution;
(4) adding sodium acrylate into the modified rubber powder solution, uniformly stirring, feeding into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 70-75 ℃, adding a sodium persulfate aqueous solution, keeping the temperature and stirring for 3-5 hours, adding a reducing agent, reducing the temperature to normal temperature, stirring for 3-4 hours, performing suction filtration, washing a filter cake with water, and drying at normal temperature to obtain modified rubber powder;
(5) and mixing the modified rubber powder with diethylene glycol dibenzoate, uniformly stirring, feeding into an extruder, performing melt extrusion, and cooling to obtain the ethylene propylene rubber elastic rod.
The invention has the advantages that: the four circular frameworks with different radiuses are sequentially overlapped, one ends of the four circular frameworks are overlapped and are not coaxial, so that the wire cores are respectively arranged between the adjacent frameworks, the positions among the frameworks are not changed due to the stacked arrangement, the internal structure of the cable is more compact and stable, the wire cores can be well protected, the tensile property of the cable can be improved, and the positions of the wire cores can be more stable and are not easy to change due to the arrangement of the bulges on the frameworks; the waterproof canvas wrapping layer, the lead alloy inner sheath layer, the pearl sand composite filling layer and the outer sheath are sequentially coated on the outer side of the rubber framework, the waterproof effect of the waterproof canvas wrapping layer is good, the lead alloy inner sheath layer can be used as a waterproof protective layer to ensure that a cable core conductor is prevented from being invaded by moisture and water, the seawater corrosion resistance can be improved by the coated asphalt, the fireproof and heat insulation effect of the pearl sand composite filling layer is good, and the flexibility of the cable is improved by the ethylene propylene rubber elastic rod;
the added ethylene propylene rubber elastic rod is prepared by processing graphene oxide by stearic acid, blending the graphene oxide with ethylene propylene rubber powder processed by triethanolamine, dispersing the mixture into an ethanol solution, taking sodium acrylate as a monomer, taking the ethanol solution as a solvent, polymerizing under the action of an initiator, realizing intercalation modification of the graphene oxide and the rubber powder by sodium polyacrylate, and reducing by a reducing agent to obtain the composite material of the graphene and the rubber powder.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view of the rubber skeleton structure of the present invention.
Detailed Description
As shown in fig. 1 and 2, a waterproof computer control shielding cable comprises a rubber framework 1, wherein the rubber framework 1 comprises four circular frameworks with different radiuses, the left end sides of the four circular frameworks are fixedly connected together and then sequentially sleeved according to the radiuses, first wire cores are arranged in the four circular frameworks, two second wire cores are arranged in the second circular framework 2, two second wire cores and two third wire cores are arranged in the third circular framework 3, two second wire cores and four third wire cores are arranged in the fourth circular framework 4, the first wire cores comprise a first conductor 5, a microporous polytetrafluoroethylene insulating layer 6 and a copper-plastic composite tape wrapping layer 7 are sequentially wrapped on the outer side of the first conductor 5, an aluminum magnesium alloy wire weaving shielding layer 9 is wrapped on the outer side of the two first conductors 5 and a carbon fiber composite core rod 8 after being twisted together, the second sinle silk weave shielding layer 13 including second conductor 10 and cladding in proper order at polyimide insulating layer 11, polyester film layer 12 and the silver-plated alloy silk in the second conductor 10 outside, the third sinle silk including third conductor 14 and cladding in proper order at fluororesin insulating layer 15 and thin steel wire armor flame retardant coating 16 in the third conductor 14 outside, be equipped with a plurality of archs 18 on the lateral wall of first circular skeleton 17, second circular skeleton 2 and third circular skeleton 3 respectively, the cladding has waterproof canvas in proper order in the outside of rubber skeleton 1 and winds covering 19, lead alloy inner sheath layer 20, the compound filling layer of pearly-lustre sand 21 and oversheath 22.
The carbon fiber composite core rod 8 is formed by stranding and bundling a plurality of ultra-fine copper tows and carbon fiber tows.
The first conductor 5, the second conductor 10 and the third conductor 14 are all formed by twisting a high-strength fiber rope and a plurality of tinned copper wire bundles.
A circle of ethylene propylene rubber elastic rods 23 are uniformly arranged between the rubber framework 1 and the waterproof canvas wrapping layer 19.
The ethylene propylene rubber elastic rod is composed of the following raw materials in parts by weight:
150 parts of ethylene-propylene rubber powder, 12 parts of graphene oxide, 11 parts of a reducing agent, 40 parts of sodium acrylate, 2 parts of sodium persulfate, 1 part of benzotriazole, 4 parts of diethylene glycol dibenzoate, 10 parts of stearic acid and 9 parts of triethanolamine.
The reducing agent is sodium borohydride.
The preparation method of the ethylene propylene rubber elastic rod comprises the following steps:
(1) adding sodium persulfate into deionized water with the weight 120 times of that of the sodium persulfate, and uniformly stirring;
(2) mixing triethanolamine and benzotriazole, adding into anhydrous ethanol 20 times of the weight of the mixture, adding ethylene propylene rubber powder, heating to 70 deg.C, stirring for 2 hr to obtain rubber powder dispersion;
(3) taking stearic acid, heating to melt, mixing with graphene oxide, keeping the temperature, stirring for 30 minutes, cooling to normal temperature, adding into the rubber powder dispersion, stirring for 50 minutes, and modifying the rubber powder solution;
(4) adding sodium acrylate into the modified rubber powder solution, uniformly stirring, feeding into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 75 ℃, adding a sodium persulfate aqueous solution, keeping the temperature, stirring for 5 hours, adding a reducing agent, reducing the temperature to normal temperature, stirring for 4 hours, performing suction filtration, washing a filter cake with water, and drying at normal temperature to obtain modified rubber powder;
(5) and mixing the modified rubber powder with diethylene glycol dibenzoate, uniformly stirring, feeding into an extruder, performing melt extrusion, and cooling to obtain the ethylene propylene rubber elastic rod.
Example 2
The ethylene propylene rubber elastic rod is composed of the following raw materials in parts by weight:
ethylene-propylene rubber powder 140, graphene oxide 10, a reducing agent 7, sodium acrylate 30, sodium persulfate 1, benzotriazole 0.3, diethylene glycol dibenzoate 2, stearic acid 6 and triethanolamine 7.
The reducing agent is sodium borohydride.
The preparation method of the ethylene propylene rubber elastic rod comprises the following steps:
(1) adding sodium persulfate into deionized water with the weight of 100 times of the sodium persulfate, and uniformly stirring;
(2) mixing triethanolamine and benzotriazole, adding into anhydrous ethanol 16 times of the weight of the mixture, adding ethylene propylene rubber powder, heating to 60 deg.C, stirring for 1 hr to obtain rubber powder dispersion;
(3) taking stearic acid, heating to melt, mixing with graphene oxide, keeping the temperature, stirring for 20 minutes, cooling to normal temperature, adding into the rubber powder dispersion, stirring for 40 minutes, and modifying the rubber powder solution;
(4) adding sodium acrylate into the modified rubber powder solution, uniformly stirring, feeding into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 70 ℃, adding a sodium persulfate aqueous solution, keeping the temperature, stirring for 3-5 hours, adding a reducing agent, reducing the temperature to normal temperature, stirring for 3 hours, performing suction filtration, washing a filter cake with water, and drying at normal temperature to obtain modified rubber powder;
(5) and mixing the modified rubber powder with diethylene glycol dibenzoate, uniformly stirring, feeding into an extruder, performing melt extrusion, and cooling to obtain the ethylene propylene rubber elastic rod.
Claims (4)
1. The utility model provides a waterproof computer control is with shielded cable which characterized in that: the cable comprises a rubber framework, the rubber framework comprises four circular frameworks with different radius sizes, the left end side faces of the four circular frameworks are fixedly connected and then sequentially nested according to the radius sizes, first cable cores are arranged in the four circular frameworks, two second cable cores are arranged in the second circular framework, two second cable cores and two third cable cores are arranged in the third circular framework, two second cable cores and four third cable cores are arranged in the fourth circular framework, the first cable cores comprise first conductors, microporous polytetrafluoroethylene insulating layers and copper-plastic composite belts are sequentially wrapped outside the first conductors, aluminum-magnesium alloy wires are wrapped to form shielding layers after the two first conductors and the carbon fiber composite core rods are twisted together in pairs, the aluminum-magnesium alloy wires are wrapped to form the shielding layers, and the second cable cores comprise second conductors and polyimide insulating layers sequentially wrapped outside the second conductors, The waterproof canvas comprises a polyester film layer and a silver-plated alloy wire braided shielding layer, wherein the third wire core comprises a third conductor, a fluororesin insulating layer and a fine steel wire armored refractory layer which are sequentially coated on the outer side of the third conductor, a plurality of bulges are respectively arranged on the outer side walls of the first circular framework, the second circular framework and the third circular framework, and a waterproof canvas wrapping layer, a lead alloy inner sheath layer, a pearlife composite filling layer and an outer sheath are sequentially coated on the outer side of the rubber framework; a circle of ethylene propylene rubber elastic rod is uniformly arranged between the rubber framework and the waterproof canvas wrapping layer;
the ethylene propylene rubber elastic rod is composed of the following raw materials in parts by weight:
150 parts of ethylene-propylene rubber powder 140, 10-12 parts of graphene oxide, 7-11 parts of a reducing agent, 30-40 parts of sodium acrylate, 1-2 parts of sodium persulfate, 0.3-1 part of benzotriazole, 2-4 parts of diethylene glycol dibenzoate, 6-10 parts of stearic acid and 7-9 parts of triethanolamine;
the preparation method of the ethylene propylene rubber elastic rod comprises the following steps:
(1) adding sodium persulfate into deionized water with the weight of 100-120 times of that of the sodium persulfate, and uniformly stirring;
(2) mixing triethanolamine and benzotriazole, adding into anhydrous ethanol 16-20 times of the weight of the mixture, adding ethylene propylene rubber powder, heating to 60-70 deg.C, stirring for 1-2 hr to obtain rubber powder dispersion;
(3) taking stearic acid, heating to melt, mixing with graphene oxide, keeping the temperature, stirring for 20-30 minutes, cooling to normal temperature, adding into the rubber powder dispersion, stirring for 40-50 minutes, and modifying the rubber powder solution;
(4) adding sodium acrylate into the modified rubber powder solution, uniformly stirring, feeding into a reaction kettle, introducing nitrogen, adjusting the temperature of the reaction kettle to 70-75 ℃, adding a sodium persulfate aqueous solution, keeping the temperature and stirring for 3-5 hours, adding a reducing agent, reducing the temperature to normal temperature, stirring for 3-4 hours, performing suction filtration, washing a filter cake with water, and drying at normal temperature to obtain modified rubber powder;
(5) and mixing the modified rubber powder with diethylene glycol dibenzoate, uniformly stirring, feeding into an extruder, performing melt extrusion, and cooling to obtain the ethylene propylene rubber elastic rod.
2. The waterproof computer-control shielded cable of claim 1, wherein: the carbon fiber composite core rod is formed by stranding and bundling a plurality of strands of superfine copper tows and carbon fiber tows.
3. The waterproof computer-control shielded cable of claim 1, wherein: the first conductor, the second conductor and the third conductor are all formed by twisting a high-strength fiber rope and a plurality of tinned copper wire bundles.
4. The waterproof computer-control shielded cable of claim 1, wherein: the preparation method of the ethylene propylene rubber elastic rod comprises the following steps: the reducing agent is sodium borohydride.
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| CN102103898B (en) * | 2010-12-24 | 2012-05-30 | 江苏远洋东泽电缆股份有限公司 | Digital closed circuit TV (television) cable for marine engineering and manufacturing method thereof |
| CN104282378A (en) * | 2014-10-24 | 2015-01-14 | 安徽电信器材贸易工业有限责任公司 | Multi-core control cable |
| CN106205801A (en) * | 2016-08-25 | 2016-12-07 | 苏州科宝光电科技有限公司 | The Intelligent visible teleoperator data cable of resistance to bending |
| CN206194421U (en) * | 2016-11-30 | 2017-05-24 | 天长市徽宁电器仪表厂 | Waterproof explosion -proof computer cable |
| CN106928557A (en) * | 2017-03-28 | 2017-07-07 | 广州市鑫橡极科技有限公司 | A kind of modified EPT rubber and preparation method thereof |
| CN107633898B (en) * | 2017-09-04 | 2019-03-22 | 安徽徽宁电器仪表集团有限公司 | A kind of computer composite cable |
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Denomination of invention: A waterproof shielded cable for computer control Effective date of registration: 20211009 Granted publication date: 20200908 Pledgee: Tianchang vibration financing Company limited by guarantee Pledgor: ANHUI HUI NING ELECTRICAL INSTRUMENT GROUP Co.,Ltd. Registration number: Y2021980010434 |