Intrinsic safety instrument flexible cable for ocean engineering

A marine engineering and flexible cable technology, applied in the direction of insulated cables, bendable cables, cables, etc., can solve the problems of large space occupied, poor reliability performance, weak cable protection, etc., and achieve good performance, excellent low capacitance , The effect of strong signal transmission ability

Inactive Publication Date: 2014-10-01
YANGZHOU SHUGUANG CABLE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, the instrument cables used in ships and marine engineering are generally arranged separately and wired independently, which takes up a large space, weak cable protection, and poor reliability.

Method used

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  • Intrinsic safety instrument flexible cable for ocean engineering

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Embodiment Construction

[0007] like figure 1 As shown, the present invention includes three groups of wire cores 1 twisted with each other, and a total wrapping layer 2, a total shielding layer 4, an inner sheath layer 5, and an armor layer 6 are sequentially arranged outside the three groups of wire cores 1 twisted together. and the outer sheath layer 7; the outer drain wire 3 is set between the total wrapping layer 2 and the total shielding layer 4; the filling 8 is set between the three sets of wire cores 1 and the total wrapping layer 2; the Each group of wire cores 1 includes a tinned copper strand stranded conductor 9, and an insulating layer 10, a unit shielding layer 12 and a unit wrapping layer 13 are arranged in sequence on the outside of the tinned copper strand stranded conductor 9, and on the insulating layer 10 and the unit shielding layer 12 are respectively provided with inner drain wires 11 .

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Abstract

The invention discloses an intrinsic safety instrument flexible cable for ocean engineering, and relates to the technical field of cable manufacturing, in particular to the technical field of intrinsic safety instrument flexible cable manufacturing for the ocean engineering. The flexible cable comprises three mutually stranded wire cores, wherein a total warping layer, a total shield layer, an inner protection layer, an armor layer and an outer sheath layer are sequentially arranged on the outer sides of the three stranded wire cores; an external drainage wire is arranged between the total warping layer and the total shield layer; fillers are arranged between the three wire cores and the total warping layer; each wire core comprises a tinned copper wire bunch stranded conductor; insulating layers, unit shield layers and unit warping layers are sequentially arranged on the outer sides of the tinned copper wire bunch stranded conductors; and internal drainage wires are arranged between the insulating layers and the unit shield layers. The flexible cable is scientific, novel and reasonable in structure, advanced in technology and good in use performance, has the characteristics of excellent low capacity, low inductance, intrinsic safety, high signal transmission capacity, good anti-interference performance and the like, and has flame retardance, low temperature resistance, oil sludge resistance, water resistance and the like.

Description

technical field [0001] The invention relates to the technical field of cable manufacturing, in particular to the technical field of manufacturing intrinsically safe instrument flexible cables for marine engineering. Background technique [0002] With the transfer of global energy exploitation to the ocean, offshore oil and gas engineering is in the ascendant. Because offshore oil and gas projects are full of flammable and explosive oil and gas, in order to ensure the safety of electrical signal transmission in the equipment, special intrinsically safe instrument cables are required to match it. In the prior art, the instrument cables used in ships and marine engineering are generally arranged separately and wired independently, which takes up a large space, weak protection of the cables, and poor reliability. Contents of the invention [0003] The object of the present invention is to provide an intrinsically safe instrument flexible cable for marine engineering that can ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01B7/04H01B7/17H01B7/28H01B7/02
CPCY02A30/14
Inventor 何正寅丁广霞梁国华朱有元
Owner YANGZHOU SHUGUANG CABLE
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