CN110993165B - Marine corrosion-resistant weather-resistant floating cable - Google Patents
Marine corrosion-resistant weather-resistant floating cable Download PDFInfo
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- CN110993165B CN110993165B CN201911283618.2A CN201911283618A CN110993165B CN 110993165 B CN110993165 B CN 110993165B CN 201911283618 A CN201911283618 A CN 201911283618A CN 110993165 B CN110993165 B CN 110993165B
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- resistant
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- floating cable
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/12—Floating cables
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
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- Ropes Or Cables (AREA)
- Insulated Conductors (AREA)
Abstract
The invention relates to an offshore corrosion-resistant weather-resistant floating cable which comprises a cable core, and an insulating layer, a shielding layer, a protective layer, a corrosion-resistant layer, a weather-resistant layer and an outer sheath which are sequentially coated outside the cable core from inside to outside, wherein the protective layer is of an inner-outer double-layer structure and is provided with an inner cavity, and the inner cavity is divided into two cavities for correspondingly improving the weather-resistant and corrosion-resistant performances of the floating cable by a connecting strip for connecting the inner layer and the outer layer of the protective layer. Compared with the prior art, the floating cable has the advantages that on the basis of the existing corrosion-resistant layer and weather-resistant layer, the protective layer with the double-cavity double-coating layer is additionally arranged, the chloroprene rubber particles are filled in the cavity coated with the epoxy corrosion-resistant coating layer, under the action of gravity, the part coated with the thermosetting fluororesin weather-resistant coating layer on the floating cable is positioned on the sea surface, and the part coated with the epoxy corrosion-resistant coating layer is positioned under the sea surface, so that the weather-resistant performance and the corrosion-resistant performance of the floating cable are pertinently improved, and the service life of the floating cable is prolonged.
Description
Technical Field
The invention relates to the technical field of cables, in particular to an offshore corrosion-resistant weather-resistant floating cable.
Background
With the continuous development of offshore wind power generation and the continuous enhancement of ocean development, the floating cable for supplying power and transmitting signals for ocean exploration equipment, offshore floating platforms, offshore power stations, water surface floating ships and the like is increasingly applied, and the floating cable is one of offshore cables and is named because the floating cable can float on the sea and is visible. Although the floating cable floats on the sea surface and is convenient to maintain, the floating cable is in the environments of seawater immersion and wind-blown sunshine for a long time, the corrosion resistance and the weather resistance of the floating cable are required to be particularly outstanding, most of the existing floating cables only seek the waterproof performance and the tensile strength, the corrosion resistance is poor, and the service life of the existing floating cable is short.
Disclosure of Invention
In order to solve the technical problems, the invention provides an offshore corrosion-resistant weather-resistant floating cable.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
marine corrosion-resistant floating cable, including the cable core, from interior to exterior in proper order the cladding at the outside insulating layer of cable core, shielding layer, inoxidizing coating, corrosion-resistant layer, oversheath, the inoxidizing coating is inside and outside bilayer structure and has the inner chamber, and this inner chamber is separated into two cavities that correspond improvement floating cable is able to bear or endure time, corrosion resisting property by being used for connecting the interior outer two-layer connecting strip of inoxidizing coating.
Further, two cavities of the inner cavity are respectively and correspondingly coated with a thermosetting fluororesin weather-resistant coating made of thermosetting fluororesin powder and an epoxy corrosion-resistant coating made of epoxy resin and a curing agent.
Further, the chamber coated with the epoxy corrosion-resistant coating is filled with neoprene particles made of neoprene material.
The invention has the beneficial effects that:
compared with the prior art, the floating cable has the advantages that on the basis of the existing corrosion-resistant layer and weather-resistant layer, the protective layer with the double-cavity double-coating layer is additionally arranged, the chloroprene rubber particles are filled in the cavity coated with the epoxy corrosion-resistant coating layer, under the action of gravity, the part coated with the thermosetting fluororesin weather-resistant coating layer on the floating cable is positioned on the sea surface, and the part coated with the epoxy corrosion-resistant coating layer is positioned under the sea surface, so that the weather-resistant performance and the corrosion-resistant performance of the floating cable are pertinently improved, and the service life of the floating cable is prolonged.
Drawings
The invention is further illustrated with reference to the following figures and examples:
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of a protective layer according to the present invention.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further explained in the following with the accompanying drawings and the embodiments.
As shown in fig. 1, the marine corrosion-resistant weather-resistant floating cable comprises a cable core 1, and an insulating layer 2, a shielding layer 3, a protective layer 4, a corrosion-resistant layer 6, a weather-resistant layer 7 and an outer sheath 8 which are sequentially coated outside the cable core 1 from inside to outside. The cable core 1 is formed by twisting a positioning conductor positioned in the middle and six surrounding conductors surrounding the positioning conductor, and the insulating layer 2 is coated outside the cable core 1 to electrically insulate the cable core 1.
As shown in fig. 1 and 2, the protective layer 4 has an inner and outer double-layer structure and has an inner cavity 4a, the inner cavity 4a is divided into two chambers for correspondingly improving the weather resistance and the corrosion resistance of the floating cable by two connecting strips for connecting the inner layer and the outer layer of the protective layer 4, and the two chambers have the same size and area.
The two cavities of the inner cavity 4a are respectively coated with a thermosetting fluororesin weather-resistant coating 9 made of thermosetting fluororesin powder and an epoxy corrosion-resistant coating 10 made of epoxy resin and a curing agent. Wherein the thermosetting fluororesin weather-resistant coating prepared from the thermosetting fluororesin powder has excellent performances of acid and alkali resistance, salt mist resistance, aging resistance, ultraviolet irradiation resistance and the like; the epoxy corrosion-resistant coating prepared from the epoxy resin and the curing agent has good brushing performance, and forms a film under certain conditions so as to play a role in corrosion resistance.
The chamber in which the epoxy corrosion-resistant coating 10 is applied is also filled with neoprene particles 5 made of neoprene material. The chloroprene rubber has excellent chemical corrosion resistance and higher tensile strength and elongation.
In the present invention, the chloroprene rubber particles 5 play a role of shifting the center of gravity of the floating cable in addition to the above-mentioned excellent characteristics; the chloroprene rubber particles 5 are filled in the cavity coated with the epoxy corrosion-resistant coating, so that the part coated with the epoxy corrosion-resistant coating and the chloroprene rubber particles 5 is positioned under the sea surface, and the part coated with the thermosetting fluororesin weather-resistant coating is positioned on the sea surface under the action of gravity of the floating cable, thereby achieving the purpose of pertinently improving the corrosion resistance and weather resistance of the floating cable and effectively prolonging the service life of the floating cable.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (1)
1. Marine corrosion-resistant time floating cable, including cable core (1), by interior and outer cladding in proper order insulating layer (2), shielding layer (3), inoxidizing coating (4), corrosion-resistant layer (6), resistant time layer (7), oversheath (8) of cable core (1) outside, its characterized in that: the protective layer (4) is of an inner-outer double-layer structure and is provided with an inner cavity (4a), and the inner cavity (4a) is divided into two cavities correspondingly improving the weather resistance and the corrosion resistance of the floating cable by a connecting strip for connecting the inner layer and the outer layer of the protective layer (4);
two cavities of the inner cavity (4a) are respectively and correspondingly coated with a thermosetting fluororesin weather-resistant coating (9) made of thermosetting fluororesin powder and an epoxy corrosion-resistant coating (10) made of epoxy resin and a curing agent;
the cavity coated with the epoxy corrosion-resistant coating (10) is filled with chloroprene rubber particles (5) made of chloroprene rubber materials, under the action of gravity, the part coated with the thermosetting fluororesin weather-resistant coating (9) of the floating cable is positioned on the sea surface, and the part coated with the epoxy corrosion-resistant coating (10) is positioned under the sea surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911283618.2A CN110993165B (en) | 2019-12-13 | 2019-12-13 | Marine corrosion-resistant weather-resistant floating cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911283618.2A CN110993165B (en) | 2019-12-13 | 2019-12-13 | Marine corrosion-resistant weather-resistant floating cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110993165A CN110993165A (en) | 2020-04-10 |
| CN110993165B true CN110993165B (en) | 2021-07-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911283618.2A Active CN110993165B (en) | 2019-12-13 | 2019-12-13 | Marine corrosion-resistant weather-resistant floating cable |
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| CN (1) | CN110993165B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1021756A (en) * | 1996-07-02 | 1998-01-23 | Hitachi Cable Ltd | Seabed cable with float and sink function |
| CN206331810U (en) * | 2016-12-30 | 2017-07-14 | 广东威立电力器材有限公司 | A kind of submarine cable for being easy to lay |
| CN207718923U (en) * | 2017-11-15 | 2018-08-10 | 京广线缆集团有限公司 | Floatability type waterproof anti-corrosion power cable |
| CN207833958U (en) * | 2017-12-22 | 2018-09-07 | 海南梵思科技有限公司 | A kind of floated ocean cable used convenient for maintenance |
| CN208225557U (en) * | 2018-05-29 | 2018-12-11 | 郑州易通众联电子科技有限公司 | Buoyant cable on a kind of new type water |
| CN208422465U (en) * | 2018-07-02 | 2019-01-22 | 郑州易湃科技有限公司 | A kind of floating on water surface cable |
-
2019
- 2019-12-13 CN CN201911283618.2A patent/CN110993165B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1021756A (en) * | 1996-07-02 | 1998-01-23 | Hitachi Cable Ltd | Seabed cable with float and sink function |
| CN206331810U (en) * | 2016-12-30 | 2017-07-14 | 广东威立电力器材有限公司 | A kind of submarine cable for being easy to lay |
| CN207718923U (en) * | 2017-11-15 | 2018-08-10 | 京广线缆集团有限公司 | Floatability type waterproof anti-corrosion power cable |
| CN207833958U (en) * | 2017-12-22 | 2018-09-07 | 海南梵思科技有限公司 | A kind of floated ocean cable used convenient for maintenance |
| CN208225557U (en) * | 2018-05-29 | 2018-12-11 | 郑州易通众联电子科技有限公司 | Buoyant cable on a kind of new type water |
| CN208422465U (en) * | 2018-07-02 | 2019-01-22 | 郑州易湃科技有限公司 | A kind of floating on water surface cable |
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|---|---|
| CN110993165A (en) | 2020-04-10 |
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