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A waterproof and fireproof control cable
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A technology for controlling cables and first wires, applied in the direction of insulated cables, cables, circuits, etc., can solve the problems of complex fire protection cable technology, decreased cable insulation performance, poor cable bending performance, etc. Good, good toughness and impact strength effect
Active Publication Date: 2020-08-04
ANHUI HUININGELECTRIC INSTR & APPLIANCE GRP
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Abstract
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Problems solved by technology
[0002] Existing fireproof cables are complex in process and high in cost
At the same time, the manufacturing length is also limited; in addition, the cable is easy to absorb moisture, and after moisture absorption, the moisture will penetrate longitudinally along the cable, resulting in a decrease in the insulation performance of the cable and affecting the electrical performance.
In addition, the cable has poor bending performance and is easy to break
Method used
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preparation example Construction
[0026] The preparation method of described ethylene-propylene rubber elastic rod, comprises the following steps:
[0027] (1) Take 8-hydroxyquinoline, add it to 13 times of its weight in toluene, stir evenly, add propylene oxide, send it into a constant temperature water bath at 50°C, add nano-carbon powder, keep stirring for 1 hour, and distill off Toluene, to get activated carbonpowder;
[0028] (2) Get 6-hydroxyl-2-naphthoic acid, add it to 20 times of its weight in deionized water, stir evenly to obtain acid solution;
[0029] (3) Take diethylenetriamine, add it to 10 times its weight in absolute ethanol, stir evenly, add ethylene-propylene rubber powder, raise the temperature to 55°C, add anti-aging agent RD, keep stirring for 20 minutes, and distill off the ethanol , added to the above acid solution, raising the temperature to 70°C, insulated and stirred for 1 hour, suction filtered, washed the filter cake with water, sent to an oven, and dried to obtain modified rubbe...
Embodiment 2
[0032] Described ethylene-propylene rubber elastic rod is made up of the raw material of following parts by weight:
[0034] The preparation method of described ethylene-propylene rubber elastic rod, comprises the following steps:
[0035] (1) Take 8-hydroxyquinoline, add it to 20 times its weight in toluene, stir evenly, add propylene oxide, send it into a constant temperature water bath at 55°C, add nano-carbon powder, keep stirring for 2 hours, and distill off Toluene, to get activated carbon powder;
[0036] (2) Get 6-hydroxy-2-naphthoic acid, add it to 30 times of its weight in deionized water, stir evenly to obtain acid solution;
[0037] (3) Take diethylenetriamine, add it to 17 times its weight in absolute ethanol, stir evenly, add ethylene-propylene rubber pow...
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Abstract
The invention discloses a waterproof fireproof control cable comprising a rubber skeleton, wherein the rubber skeleton comprises four circular skeletons with different radiuses; the left side surfacesof the four circular skeletons are fixedly connected together and then the four circular skeletons are successively stacked according to the radiuses; first wire cores are disposed in the four circular skeletons; a plurality of second wire cores are disposed in each of the second circular skeleton, the third circular skeleton and the fourth circular skeleton; each first wire core includes a firstconductor; and the outer side of the first conductor is successively coated with a thermoplastic vulcanized rubber insulating layer and a halogen-free glass fiber wrapping layer. The outer side of the rubber skeleton is successively coated with a glass fiber belt and ceramicsilicone rubber belt wrapping layer, a lead alloy inner sheath layer, a waterproof expansion filling layer and an outer sheath. Thus, the cable is good in waterproof and fireproof effect, simple in structure, good in insulation effect, long in service life, stable in operation and low in production cost. An ethylene propylene rubber elastic rod enhances the softness of the cable.
Description
technical field [0001] The invention relates to the technical field of cables, in particular to a waterproof and fireproof control cable. Background technique [0002] The existing fireproof cables have complex processes and high costs. At the same time, the manufacturing length is also limited; in addition, the cable is easy to absorb moisture, and after moisture absorption, the moisture will penetrate longitudinally along the cable, resulting in a decrease in the insulation performance of the cable and affecting the electrical performance. In addition, the cable has poor bending performance and is easy to break. Contents of the invention [0003] The object of the present invention is to provide a waterproof and fireproof control cable in order to remedy the defects of the prior art. [0004] The present invention is achieved through the following technical solutions: [0005] A waterproof and fireproof control cable, including a rubber skeleton, the rubber skeleton i...
Claims
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Application Information
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