Network strong-interference resistance armored signal transmission cable for mine safety detection
A technology for safety detection and signal transmission, applied in the field of wires and cables, can solve the problems of waste of resources, poor flame retardant performance, construction difficulties, etc., and achieve the effect of saving laying space, easy production and solving line messy
Inactive Publication Date: 2013-10-09
JIANGSU SAIDE ELECTRIC
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Problems solved by technology
[0002] Network anti-strong interference armored signal transmission cables for mine safety detection are mainly used in tunnels and pits. In these occasions, due to environmental and work needs, most cables only undertake a single function when laying. After laying, the cable is flame-retardant in case of fire. The performance cannot meet the requirements of on-site disaster relief, especially the cables with poor flame retardancy will extinguish for a long time after burning, which will bring great difficulties to disaster relief work and cause greater disasters. In the past, improved material formulas were used to improve the resistance of insulating sheath materials. The impact performance and the flame retardancy of cables can only solve part of the problem. In these special environments, the impact resistance of cables and the high flame retardancy of cables have not been fundamentally resolved. As long as such problems occur, resources will be wasted and the Construction creates difficulties and major safety hazards
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[0014] A network anti-strong interference armored signal transmission cable for mine safety detection, the cable includes seven insulated wire cores extruded on a conductor 1 with a cross-linked polyethylene insulation layer 2, and the seven insulated wire cores are pair-twisted and braided separately shielded 3 A cable core is formed, and the cable core is sequentially provided with a shielding layer 4, a high flame-retardant, halogen-free and low-smoke inner sheath 5, an anti-corrosion armor layer 6, and a high-flame-retardant, halogen-free, low-smoke sheath 7 from the inside to the outside. The conductor 1 is a Class 1 or Class 2 conductor that meets the requirements of GB / T3956-2008, the shielding layer 4 is a tinned copper wire braid with a density of 95%, and the anti-corrosion armor layer 6 The armor is galvanized steel wire braid.
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The invention relates to a network strong-interference resistance armored signal transmission cable for mine safety detection, and belongs to the technical field of electric wires and cables. The network strong-interference resistance armored signal transmission cable for the mine safety detection comprises insulating wire cores, wherein conductors of the insulating wire cores are provided with insulating layers in an extruded mode, separated shields are weaved after pair twist is carried out on the insulating wire cores, a cable core is formed by the separated shields in a cabling mode, and a shielding layer, an inner protective layer, a corrosion preventing armor layer and a sheath are arranged on the cable core. The network strong-interference resistance armored signal transmission cable for the mine safety detection is reasonable and simple in structure, easy to produce and manufacture, low in cost and good in using performance, saves laying space, and is convenient to install. The network strong-interference resistance armored signal transmission cable for the mine safety detection has multiple functions, such as the function of voltage resistance, the function of strong interference resistance, the function of flame retardance and fire protection, the function of corrosion resistance, the waterproof function and the function of external-force impact resistance. The network strong-interference resistance armored signal transmission cable for the mine safety detection is an ideal cable for places of tunnels and pits.
Description
technical field [0001] The invention relates to a wire and cable, in particular to a network anti-strong interference armored signal transmission cable for mine safety detection. Background technique [0002] Network anti-strong interference armored signal transmission cables for mine safety detection are mainly used in tunnels and pits. In these occasions, due to environmental and work needs, most cables only undertake a single function when laying. After laying, the cable is flame-retardant in case of fire. The performance cannot meet the requirements of on-site disaster relief, especially the cables with poor flame retardancy will extinguish for a long time after burning, which will bring great difficulties to disaster relief work and cause greater disasters. In the past, improved material formulas were used to improve the resistance of insulating sheath materials. The impact performance and the flame retardancy of cables can only solve part of the problem. In these speci...
Claims
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IPC IPC(8): H01B7/295H01B7/22H01B5/12H01B7/282H01B7/28H01B7/17
Inventor 李青戴永拓董培虎圣大勇李忠华赵俊
Owner JIANGSU SAIDE ELECTRIC
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