Floatage signal cable for ocean operation

A signal cable and buoyancy technology, which is applied in the field of signal transmission, can solve problems such as cables, core paralysis, and damage to the core, and achieve the effects of preventing seawater invasion, reliable water blocking protection, and enhancing service life

Active Publication Date: 2008-03-19
JIANGSU ZHONGLI GRP CO LTD +3
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology improves the performance of cables used under sea conditions due to its ability to prevent damage from external factors like waves or impact during installation on offshore installations such as oil platforms. By adding fibers inside each wrap-wrap layer instead of just one single material, this method reduces weight while maintaining strong physical properties over longer periods of operation without losing effectiveness. Additionally, there may be multiple wires within different wraps, making them more securely positioned than if they were individually wrapped together. Overall, these improvements improve durability and reliability of the cables' function when installed outdoors alongside other equipment.

Problems solved by technology

This patents discusses different types of cords made from materials like copper wires. These cords may experience damage during operation under sea conditions where they cannot bear their own weights without being flexible. To address these issues, proposing an improved design for the cords by adding extra layers inside them instead of just having flat metal foils around each end.

Method used

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  • Floatage signal cable for ocean operation
  • Floatage signal cable for ocean operation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Please refer to FIG. 2 in detail. It can be clearly seen from the cross-section of the cable structure that the cross-sectional shape of the floating core 1 is a circular floating core 1. The diameter of the floating core 1 is 11.5mm, and the diameter of the floating core is 9.5mm. The fiber body 11 and the first extruded cladding layer 12 with a thickness of 1 mm are formed. As for the material of the fiber body 11, it is preferable and not absolutely limited to use aramid fibers with good strength, more specifically aramid fibers (also called aramid fibers). Kevlar), extruding polyethylene outside the fiber body 11 constitutes the first extruding layer 12, the positive meaning of the first extruding layer 12 can make the fiber body 11 round and round, and the more positive meaning is that it can ensure the follow-up the roundness of the cabling. The extrusion package mentioned here is in terms of the technical term of the processing equipment in the cable production i...

Embodiment 2

[0027] Please refer to FIG. 3, in this embodiment, the applicant provides 8 cores 2 and 1 filler 8, 8 cores 2 and a filler with a circular cross-sectional shape processed from polyethylene The objects 8 are closely arranged in a circle around the outside of the floating core 1 , and a tangential relationship is formed between the cores 2 and between the cores 2 and the filler 8 . It should be noted that when there is a filler 8, there are two quantitative relationships between the filler 8 and the wire core 2. One is that the two are equal, and the other is that the two are inversely proportional. The former is like 5 wires. Core 2 and 5 fillers 8; if the latter has more cores 2, there will be less filler 8, and vice versa. In this embodiment, the conductor 21 is a copper tow wire which is assembled (self-twisted) by 19 tinned copper wires with a diameter of 0.25 mm. The thickness of the fiber layer 6 is 4 mm, and the rest are the same as those described in Example 1. The re...

Embodiment 3

[0029] Please refer to FIG. 4 in detail, only the diameter of the floating core 1 is changed to 14.0mm, wherein the diameter of the fiber body 11 is 12.2mm, the thickness of the first extruded cladding layer 12 is 0.9mm, and the number of cores 2 is changed to 7 , The number of fillers 8 is 2, the material of the conductor 21 of the core 2 is changed to a single (1) annealed bare copper wire with a diameter of 1.0mm, and each core 2 is made of four conductors 21. Extruded insulation layer 211 composed of an insulating core and a second extrusion wrapping layer 22 after twisting the insulating core. The first wrapping layer 5 is made of non-woven fabric, and the second wrapping layer 7 is also made of non-woven fabric. The thickness of the layer 6 is changed to 5 mm, the material of the outer sheath 3 is polypropylene, and the thickness is 4.8-5.3 mm.

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Abstract

A buoyancy signal cable used for ocean operations is provided, which is adapted to the signal transmission in the fields of undersea exploration, ocean rescue, salvage and scientific exploration. The cable comprises a floating core and at least two wire cores for signal transmission and an outer protective cover, arranged outside the floating core. The floating core comprises a fibrous body and a first coating layer covered outside the fibrous body. The wire core comprises at least one pair of a conductor and a second coating layer covered outside the conductor. A first winding layer, a fibrous layer and a second winding layer are arranged, from the inside to the outside, between the outer protective cover and the wire core. A water-proofing material is filled in the space between the first coating layer and the first winding layer. The invention has the advantages of reduced density, increased mechanical strength, capability of meeting the operation requirement of no breakage under frequent bending, guarantee of uniform stress, long service life, reliable water-proof function of wire core as the cable core, and protection against seawater invasion.

Description

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Claims

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Application Information

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Owner JIANGSU ZHONGLI GRP CO LTD
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