Fireproof explosion-proof power cable
A technology of power cables and cable cores, which is applied in the field of fireproof and explosion-proof power cables, and can solve problems such as secondary disasters
Pending Publication Date: 2018-01-26
ANHUI HUANENG CABLE GRP
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Problems solved by technology
[0002] At present, the power cables used in some explosive hazardous places, such as gas stations, gas stations, gunpowder factories, ammunition depots, etc., are all plastic or rubber insulated and sheathed cables of ordinary structure, and special explosion-proof measures are required. (such as through pipe isolation protection, etc.) can be installed and used in explosion-hazardous places, and once a fire occurs, such plastic or rubber insulated and sheathed cables will also burn due to the large amount of non-metallic materials contained, releasing a large amount of smoke and gas, and causing damage to the cable. Spread along the cable line, easily causing secondary disasters
Method used
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[0013] like figure 1 as shown, figure 1 It is a structural schematic diagram of a fireproof and explosion-proof power cable proposed by the present invention.
[0014] refer to figure 1 , a fire-proof and explosion-proof power cable proposed by the present invention, comprising: a cable core, a wrapping layer 5, a shielding layer 6, an isolation layer 7, a corrugated metal sheath 8, and a sheath layer 9;
[0015] The cable core includes a plurality of wires, and each wire includes a conductor 1 in the middle, an inner insulating layer 2 covering the outside of the conductor 1, a middle insulating layer 10 covering the outside of the inner insulating layer 2, and a middle insulating layer 10 covering the outside of the inner insulating layer 2. The external outer insulating layer 3, the inner insulating layer 2 are covered with mica tape, the middle insulating layer 10 is covered with polyester tape, and the outer insulating layer 3 is made of ceramic silicone rubber material...
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The invention discloses a fireproof explosion-proof power cable. The cable core comprises multiple leads, wherein each lead comprises a conductor at a middle portion, an inner insulation layer in which the conductor is externally wrapped, and an outer insulation layer in which the inner insulation layer is externally wrapped, wherein the inner insulation layer is formed through employing a mica tape through wrapping, the outer insulation layer is prepared from ceramic silicone rubber, the cable core is externally wrapped in a wrapping layer, the wrapping layer is externally wrapped in the shielding layer, the shielding layer is externally wrapped in an isolation layer, the isolation layer is externally wrapped in an embossed metal sleeve, and the embossed metal sleeve is externally wrappedin a sheath layer. The cable is advantaged in that the structure design is optimized and reasonable, the conductor is externally provided with three fireproof insulation layers, insulation performance is guaranteed, fireproof flame retardation performance is guaranteed, moreover, the cable core is externally provided with a metal sleeve, extra tube isolation protection is not needed, the metal sleeve can be directly mounted and laid, mounting intensity is reduced, and mounting efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of cables, in particular to a fire-proof and explosion-proof power cable. Background technique [0002] At present, the power cables used in some explosive hazardous places, such as gas stations, gas stations, gunpowder factories, ammunition depots, etc., are all plastic or rubber insulated and sheathed cables of ordinary structure, and special explosion-proof measures are required. (such as through pipe isolation protection, etc.) can be installed and used in explosion-hazardous places, and once a fire occurs, such plastic or rubber insulated and sheathed cables will also burn due to the large amount of non-metallic materials contained, releasing a large amount of smoke and gas, and causing damage to the cable. Spreading along the cable line, it is easy to cause secondary disasters. Contents of the invention [0003] In order to solve the technical problems existing in the background technology, the pres...
Claims
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Patent Timeline
Login to View More IPC IPC(8): H01B9/02H01B7/02H01B3/04H01B3/42H01B3/28H01B7/29H01B7/20
Inventor 盛业华祝永林吴本健马俊香
Owner ANHUI HUANENG CABLE GRP