Fire-resistant environment-friendly marine cable
An environmentally-friendly technology for marine cables, which is applied in the field of fire-resistant and environmentally-friendly marine cables, can solve problems such as complex production processes, excessive labor, and outdated manufacturing processes, and achieve the effects of simple production processes, good anti-interference performance, and cost savings
Inactive Publication Date: 2014-11-19
扬州光明电缆有限公司
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Problems solved by technology
[0002] The currently used fire-resistant and environmentally friendly marine cables have high production costs, complex production processes, complicated process procedures, poor anti-interference performance of the cables during use, more labor, high costs, outdated manufacturing processes, and are difficult to combine with the industrial society of modern industrial development.
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[0007] Such as figure 1 As shown, the present invention comprises two mutually twisted wire cores 1, and a polyolefin inner sheath layer 2, a tinned copper wire braided armor layer 3 and a polyolefin outer sheath are sequentially arranged outside the two twisted wire cores 1. The sheath layer 4; the wire core 1 of each strand includes two mutually twisted insulated conductors 5 respectively, and an aluminum thin composite tape pair-twisted shielding layer 6 is arranged on the outside of the two mutually twisted insulated conductors 5; A leakage line 7 is arranged between the twisted shielding layer 6 and two twisted insulated conductors 5; each insulated conductor 5 includes a tinned copper conductor 8, and a cross-linked polyethylene insulating layer 9 is wrapped outside the tinned copper conductor 8 .
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The invention discloses a fire-resistant environment-friendly marine cable, which relates to the technical field of cable manufacturing, and in particular to a fire-resistant environment-friendly marine cable that is used for large ship manufacturing and ocean engineering. The fire-resistant environment-friendly marine cable disclosed by the invention comprises two mutually-twisted wire cores, wherein a polyolefin inner sheath layer, a tinned copper wire braided armouring layer and a polyolefin outer sheath layer are sequentially arranged outside the two twisted wire cores; each wire core comprises two mutually-twisted insulating conductors, an aluminum foil composite belt pair-twisted shielding layer and a leakage wire, the aluminum foil composite belt pair-twisted shielding layer is arranged outside the two mutually-twisted insulating conductors, and the leakage wire is arranged between the aluminum foil composite belt pair-twisted shielding layer and the two mutually-twisted insulating conductors; and each insulating conductor comprises a tinned copper conductor and a cross-linked polyethylene insulating layer which wraps the tinned copper conductor. The fire-resistant environment-friendly marine cable disclosed by the invention is simple in production process, high in anti-interference capacity during use, low in labor, cost-saving, and can be applied to signal transmission and control systems for electric instruments and various information processing devices of large ship and marine telecommunication equipment.
Description
technical field [0001] The invention relates to the technical field of cable manufacturing, in particular to fire-resistant and environment-friendly marine cables used in large ship manufacturing and marine engineering. Background technique [0002] The currently used fire-resistant and environmentally friendly marine cables have high production costs, complex production processes, complicated process procedures, poor anti-interference performance of the cables during use, more labor, high costs, outdated manufacturing processes, and are difficult to combine with the industrial society of modern industrial development. . Contents of the invention [0003] The purpose of the present invention is to solve the above problems and provide a fire-resistant and environment-friendly marine cable with good anti-interference performance, simple process and reduced cost. [0004] The present invention comprises two wire cores stranded with each other, and a polyolefin inner sheath l...
Claims
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IPC IPC(8): H01B7/00H01B7/17H01B7/02
Inventor 胡君臣胡学朝钱志兵姚宏安
Owner 扬州光明电缆有限公司