Photoelectric composite cable used for coal mine
A technology for optoelectronic composite cables and coal mines, which is applied in the field of cables for signal and power transmission in mine shafts, can solve problems such as cable breakage, single cable function, and unguaranteed tensile performance, and improve tensile capacity. , good transmission effect
Inactive Publication Date: 2013-08-14
扬州市金鑫电缆有限公司
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Problems solved by technology
[0002] Existing signal or power transmission cables cannot fully adapt to the application in mine shafts, the signal transmission effect is not good, and its tensile performance cannot be guaranteed, and cable breakage will occur in deep mines; the existing The cable has a single function, and the signal transmission and power transmission are transmitted through different cables
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[0008] Such as figure 1 As shown, the photoelectric composite cable for coal mines includes mutually twisted insulated cores 1, an optical fiber bundle 2 is arranged between the stranded insulated cores 1, and a polyethylene inner sheath is arranged outside the stranded insulated cores 1. 4. A steel wire armor layer 5 is arranged outside the polyethylene inner sheath 4, and a blue flame-retardant PVC outer sheath layer 6 is arranged outside the steel wire armor layer 5. In the stranded insulated core 1 and polyethylene Fillers 3 are arranged between the protective layers 4.
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The invention provides a photoelectric composite cable used for a coal mine, relates to a cable, in particular to a signal and electric energy transmitting cable used for a mine vertical shaft. The cable comprises mutually twisted insulated cable cores, a fiber optics bundle is arranged between the twisted insulated cable cores, a polyethylene inner sheath layer is arranged outside the twisted insulated cable cores, a steel wire armoured layer is arranged outside the polyethylene inner sheath layer, a blue flame retardant PVC outer sheath layer is arranged outside the steel wire armoured layer, and packing is arranged between the twisted insulated cable cores and the polyethylene inner sheath layer. The cable has a good signal transmission effect, and is strong in anti-pulling performance.
Description
Technical field [0001] The invention relates to a cable, in particular to a cable for signal and electric energy transmission in a mine shaft. Background technique [0002] The existing signal or power transmission cables cannot fully adapt to the application in the mine shaft, their signal transmission effect is not good, and their tensile performance cannot be guaranteed, and the cable breakage phenomenon may occur in the deeper mine; The cable has a single function, and the signal transmission and power transmission are transmitted through different cables. Summary of the invention [0003] The invention provides a photoelectric composite cable for coal mines, which aims to solve the problem of improving the signal transmission effect and the tensile effect of the existing cables, and can adapt to the application in the mine shaft. [0004] The present invention includes mutually twisted insulated cores, an optical fiber bundle is arranged between the stranded insulated cores, a...
Claims
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IPC IPC(8): H01B11/22
Inventor 路永鸣
Owner 扬州市金鑫电缆有限公司