Heat-wrapped air-impact flame-retardant cable

A flame-retardant cable, wrapping technology, applied in the field of heat-wrapped air-impact flame-retardant cables, can solve the problems of reducing cable service life and uncommon cable burning, to speed up efficiency, improve flame-retardant effect, and improve flame-retardant efficiency Effect

Inactive Publication Date: 2020-12-15
许广祥
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the prior art, most flame-retardant cables do have a strong flame-retardant effect, but in the process of actual use, the phenomenon of burning cables only exists in accidents, and burning of cables is not commo

Method used

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  • Heat-wrapped air-impact flame-retardant cable
  • Heat-wrapped air-impact flame-retardant cable
  • Heat-wrapped air-impact flame-retardant cable

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0039] Example 1:

[0040] See Figure 1-3 A wrap-around heat air impact flame retardant cable comprising a cable body, the cable body 1 is fixedly connected to the outer end of the outer membrane 2 the thermal flame, retardant film outside the thermal cut with a storage chamber 2, an outer heat varistor fuel film 2 is equipped with hot soft guidewire plurality of uniformly distributed 3, the outer end of the 3 hot soft guidewire embedded in magnetic attraction with a pair of balls 4, 4 are two magnetic attraction to attract the ball, the thermal retardant outer membrane 2 the mixed powder 5 is filled with a fire-retardant, flame-retardant film 2 becomes an outer end of the heat close to each other are fixedly connected with a short first puncture needle 6, a first short puncture needle 6 fixed to the outer end of the capillary is connected to a plurality of main pawls uniformly distributed thorn 7, the outer end of the magnetic attraction ball 4 is fixedly connected with a plurali...

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PUM

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Abstract

The invention discloses a heat-wrapped air-impact flame-retardant cable, belongs to the technical field of cables, and provides a heat-wrapped air-impact flame-retardant cable which can promote flame-retardant mixed powder in a storage cavity to be heated and decomposed through the temperature during combustion and can promote a hot soft guide rope to be softened by means of temperature change. Therefore, under the mutual attraction effect of the two magnetic adsorption balls, the external thermal change flame-retardant films are dragged to get close to each other until the external thermal change flame-retardant films wrap the whole cable body, and the external thermal change flame-retardant films can be punctured by means of the first puncture short needles when the external thermal change flame-retardant films make contact with each other. Therefore, carbon dioxide gas and water generated through decomposition of the flame-retardant mixed powder can be promoted to flow out. On one hand, the possibility of combustion of the cable body can be reduced by virtue of the flame-retardant effect of carbon dioxide, and on the other hand, the generated water enters the space between the cable body and the external thermal change flame-retardant film, so that the cable body can be protected, and the possibility of damage caused by over-high temperature of the cable body is reduced.

Description

technical field [0001] The invention relates to the technical field of cables, more specifically, to a heat-wrapped air-impact flame-retardant cable. Background technique [0002] A cable is made of one or more mutually insulated conductors and an outer insulating layer, and is used to transmit power or information from one place to another, usually consisting of several or groups of conductors (at least two in each group) ) twisted cable similar to a rope, each group of wires is insulated from each other, and is often twisted around a center, and the entire outer surface is covered with a highly insulating covering layer. The cable has the characteristics of internal energization and external insulation. There are power cables, control cables, compensation cables, shielded cables, high temperature cables, computer cables, signal cables, coaxial cables, fire-resistant cables, marine cables, mining cables, aluminum alloy cables, etc. Composed of strands of wire and insulatio...

Claims

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Application Information

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IPC IPC(8): H01B7/17H01B7/288H01B7/295
CPCH01B7/17H01B7/288H01B7/295Y02A30/14
Inventor 许广祥
Owner 许广祥
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