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CN101996708A - Offshore floating wind power generation cable - Google Patents

Offshore floating wind power generation cable Download PDF

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Publication number
CN101996708A
CN101996708A CN2010105113987A CN201010511398A CN101996708A CN 101996708 A CN101996708 A CN 101996708A CN 2010105113987 A CN2010105113987 A CN 2010105113987A CN 201010511398 A CN201010511398 A CN 201010511398A CN 101996708 A CN101996708 A CN 101996708A
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China
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layer
power generation
floating
electric power
adopts
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CN2010105113987A
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Chinese (zh)
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CN101996708B (en
Inventor
许茂
汤舒婷
徐静
刘华军
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Far East Cable Co Ltd
New Far East Cable Co Ltd
Far East Composite Technology Co Ltd
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Far East Cable Co Ltd
New Far East Cable Co Ltd
Far East Composite Technology Co Ltd
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Priority to CN 201010511398 priority Critical patent/CN101996708B/en
Publication of CN101996708A publication Critical patent/CN101996708A/en
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Abstract

The invention discloses an offshore floating wind power generation cable, which comprises conductors, insulating layers, an inner lining layer, an inner protection layer, tensile components, floating components, a waterproof layer, protective layers and an outer sheath, wherein the conductor is coated with the insulating layer by way of extrusion so as to form insulating wire cores, and a plurality of insulating wire cores are stranded into a cable core; the cable core is respectively coated with the inner lining layer and the inner protection layer by way of extrusion; two protective layers are wound outside the inner protection layer, each protective layer consists of a plurality of protective elements which are arranged in the shape of circle, and each protective element is formed by coating the tensile component with the floating component by way of extrusion; the two protective layers are respectively coated with the waterproof layer, the protective layer and the outer sheath by way of outward extrusion; the insulating layers and the inner lining layer are made of thermoplastic elastomeric materials by way of extrusion; and the insulating layer is made of thermoplastic polyolefin (TPO) materials in thermoplastic elastomer (TPE), and the inner lining layer is made of toughened polystyrene (TPS) materials in TPE. The wind power generation cable of the invention has the advantages of low temperature resistance, bending resistance, torsion resistance, abrasion resistance, water blocking, corrosion resistance, weather fastness, high tensile strength, and capability of effectively preventing the damages of stormy waves and other floaters over the sea to the cables.

Description

The floating marine wind electric power generation cable
Technical field
The present invention relates to a kind of cable, particularly a kind of cable of floating marine used for wind power generation.
Background technology
Begin to enter under the background in large-scale development stage at world's offshore wind farm, prelude has also been drawn back in Chinese marine wind electric field construction.Wind-powered electricity generation aspect at sea, coastal sea, Eastern China can be developed wind energy resources and reach 7.5 hundred million kilowatts approximately, and not only resource potential is huge and the development and use market condition is good.Since 2008, China's offshore wind farm resource is maintained good growth momentum, and the offshore wind farm project investment constantly heats up, and the construction of Oversea wind power generation field advances in order.
On January 22nd, 2010, country's issue " offshore wind farm development ﹠ construction management Tentative Measures " indicates that National Energy Board begins to strengthen the management of offshore wind farm exploitation, has started first batch of offshore wind farm royalty right project simultaneously.
In 2009, with the developer of country headed by the five big electricity power groups work in coordination with the complete machine merchant in Liaoning, the coastal area layout of provinces and cities such as Hebei, Tianjin, Shandong, Jiangsu, Shanghai, Zhejiang, Fujian, Guangdong intertidal zone and coastal waters wind-powered electricity generation resource, develop coastal wind-powered electricity generation for next step and lay the foundation.2010, along with developing coastal wind-powered electricity generation resource paces, country accelerates, and the wind-resources project that enclose early stage has all had substantial progress now.
China still lacks the offshore wind farm construction experiences; wind energy on the sea resource measurement and assessment and the production domesticization of offshore wind farm unit are at the early-stage; pass through in recent years in conjunction with national science and technology research project; the offshore wind farm relevant technologies is carried out case study; the technical specification system that China's offshore wind farm is built is progressively improved development; formation has the offshore wind farm unit design and fabrication technology of independent intellectual property right, for the large-scale development of Chinese offshore wind farm creates conditions.
Oversea wind power generation will be greatly developed in following 30 years, China plans in the about 30 miles local extensive construction wind power station waterborne of distance seashore, these power stations may be built on the huge buoyancy aid, also may go deep under water 120 feet and build on the continental shelf.In view of building on the huge buoyancy aid in the power station, just need a kind ofly can float on the sea and visible floating used for wind power generation cable.
Chinese patent literature CN2720579 provides a kind of " buoyant cable ", comprises some insulated wires of circular distribution, and insulated wire is provided with oversheath outward, and the outer surface of described oversheath is provided with floating body with interior optional position.Floating body itself has less proportion, thereby the proportion that can make whole cable is less than water, can directly swim in waterborne, when this cable is used for operation at sea, though can swim in waterbornely, appearance is high-visible, also is convenient to safeguard, but the tensile strength of this cable, water resistance, decay resistance, flexibility and bending property are all poor, thereby are not suitable for offshore wind energy plant.
In sum, for satisfying the needs of Oversea wind power generation, be necessary very much to design a kind of high-performance wind-force cable of floating use at sea.
Summary of the invention
The high-performance wind-force cable that the purpose of this invention is to provide a kind of floating use at sea, be suitable for particularly that the power station build that tensile strength height, water resistance that this neritic area generating field on the huge buoyancy aid uses are good, corrosion-resistant in, the floating marine wind electric power generation cable of advantages such as flexibility and good bending property.
The technical scheme that realizes the object of the invention is a kind of floating marine wind electric power generation cable, it is characterized in that: comprise conductor, insulating barrier, inner covering, sheath, tensile elements, floating element, water blocking layer, overcoat and oversheath; The outer extruded insulation layer of described conductor forms insulated wire cores, thoroughly does away with the edge core more and is twisted into cable core; Outside cable core, extrude inner covering and sheath successively; Wrapped two-layer protective layer outside sheath, every layer of protective layer is made up of a plurality of protection components that encompass a circle, and each protection component forms by extrude floating element outside tensile elements; Wrapped successively water blocking layer, overcoat and oversheath outside two-layer protective layer; Described insulating barrier and inner covering adopt the thermoplastic elastic material extruding to form; Described insulating barrier adopts the TPO material among the TPE, and inner covering adopts the TPS material among the TPE.
Described conductor adopts zinc-plated soft copper silk; The lay ratio that copper wire is made strand is 15~18 times; The ectonexine strand that strand twists again is 8~9 times to, lay ratio identical with lay ratio.
Be filled with talcum powder between described inner covering and the insulated wire cores.
Described sheath thermoplastic polyether urethane.
Described tensile elements adopts the aramid fiber silk.
Described floating element is selected from a kind of in polyethylene foamed, polyurethane foam plastics, crosslinked polyolefin foam and the phenolic foam; The structure of the foaming of floating element is that obturator-type, foaming density are high foaming, and density is at 0.05~0.1g/cm 2Mechanical performance is soft, and modulus of elasticity is at 100~200MPa.
Described water blocking layer is wrapped two-layer waterstop outside protection component.
Described overcoat adopts the fibrage layer of braiding polypropylene fibre silk or the braiding of diamagnetic metallic fiber.
Described oversheath adopts thermoplastic polyether urethane.
After having adopted technique scheme, the present invention has following beneficial effect: (1) insulating barrier of the present invention adopts the TPO material among the thermoplastic elastomer TPE, first inner covering adopts the TPS material among the TPE, TPE not only has good electric property, also has good mechanical performance simultaneously, particularly in the time of-60 ℃, still keep good pliability, low-temperature bending and anti-twisting property excellence, the long-term work temperature is also than higher, reach as high as 125 ℃, and water resistance is relatively good, and the salt fog resistance performance is splendid.The electrical property of TPO is excellent more, and the water resistance of TPS is also better than TPO.
(2) conductor of the present invention adopts zinc-plated soft copper silk, has improved the corrosion resistance of cable greatly, prevents by seashore humid air and salt mist environment institute corrosion oxidation, guarantees to keep in running excellent electric property, cable long service life.Control, the strand that copper wire is made the strand lay ratio twist again adopt the identical strand of ectonexine to, and ectonexine lay ratio unanimity, and control pitch diameter can guarantee the bending property and the antitorque commentaries on classics performance of conductor like this.
(3) cable is because water inlet, the air gap that diverging that moisture in the cable insulation forms under the high voltage electric field effect or knot are capable is exactly the water tree, the water tree can make the quick aging of insulation macromolecule, insulation electrical and mechanical performance sharply descend, the a large amount of electric energy of water tree meeting loss of conduction, and cause that finally cable insulation punctures, thereby significantly reduce the life-span of cable, the setting of the two-layer waterstop of water blocking layer of the present invention can be so that the floating element proper alignment, effectively anti-sealing further immerses cable inside, prevent from the to insulate generation of water tree reduces the loss of energy.
(4) the present invention is filled with talcum powder between inner covering and insulated wire cores, guarantees inner covering and insulated wire cores adhesion, and inner covering can play the effect that effectively blocks water simultaneously.
(5) sheath of the present invention adopts thermoplastic polyether urethane, this material hydrolysis, and oil resistant, corrosion-resistant, wear-resisting, elasticity is fine.
(6) the present invention adopts the aramid fiber silk as tensile elements, has high temperature resistant, high tensile, high mill degree, high rigidity, low elongation, the shock-resistant and contour performance of chemically-resistant agent, and its intensity and modulus have the intensity of steel wire.
(7) floating element of the present invention is selected from polyethylene foamed, polyurethane foam plastics, crosslinked polyolefin foam, phenolic foam, and the structure of foaming is an obturator-type, can prevent the floating element suction, and reduce buoyancy; Foaming density is high foaming, can effectively reduce cable weight; Mechanical performance is soft, can alleviate the impact of exterior mechanical stress, thus protection cable internal structure
(8) overcoat of the present invention adopts the polypropylene fibre silk can increase the mechanical strength of cable, also can make cable have very high anti-wear performance.And the fibrage layer that adopts diamagnetic metallic fiber to weave then can make it have advantages such as protection and electromagnetic interference.
(9) oversheath of the present invention adopts thermoplastic polyether urethane, this material hydrolysis, and oil resistant, corrosion-resistant, wear-resisting, elasticity is fine, and mechanical strength is than higher.
(10) cable of the present invention provides technological service for the coastal waters wind power generation, the present invention has low temperature resistant, anti-bending and anti-ly reverse, wear-resisting, block water, corrosion-resistant, weather, tensile strength height, can prevent effectively that stormy waves and other floating thing particularly are suitable for the power station and build this neritic area generating field on the huge buoyancy aid in the damage of cable on the sea.
Description of drawings
Content of the present invention is easier to be expressly understood in order to make, and according to specific embodiment also in conjunction with the accompanying drawings, the present invention is further detailed explanation, wherein below
Fig. 1 is a structural representation of the present invention.
Label is in the accompanying drawing:
Conductor 1, insulating barrier 2, inner covering 3, sheath 4, tensile elements 5, floating element 6, water blocking layer 7, overcoat 8 and oversheath 9.
Embodiment
(embodiment 1)
See Fig. 1, present embodiment comprises conductor 1, insulating barrier 2, inner covering 3, sheath 4, tensile elements 5, floating element 6, water blocking layer 7, overcoat 8 and oversheath 9.
Conductor 1 outer extruded insulation layer 2 forms insulated wire cores, thoroughly does away with the edge core more and is twisted into cable core; Conductor 1 adopts zinc-plated soft copper silk; The lay ratio that copper wire is made strand is 15~18 times; The ectonexine strand that strand twists again is 8~9 times to, lay ratio identical with lay ratio.The TPO material that insulating barrier 2 adopts among the TPE.
Outside cable core, extrude inner covering 3 and sheath 4 successively.The TPS material that inner covering 3 adopts among the TPE is filled with talcum powder between inner covering 3 and the insulated wire cores; Sheath 4 thermoplastic polyether urethanes.
Wrapped two-layer protective layer outside sheath 4, every layer of protective layer is made up of a plurality of protection components that encompass a circle, and each protection component forms by extrude floating element 6 outside tensile elements 5; Tensile elements 5 adopts the aramid fiber silk.Floating element 6 is selected from polyethylene foamed; The structure of the foaming of floating element 6 is that obturator-type, foaming density are high foaming, and density is at 0.05~0.1g/cm 2Mechanical performance is soft, and modulus of elasticity is at 100~200MPa.
Wrapped successively water blocking layer 7, overcoat 8 and oversheath 9 outside two-layer protective layer.Water blocking layer 7 is wrapped two-layer waterstop outside protection component.Overcoat 8 adopts braiding polypropylene fibre silk.Oversheath 9 adopts thermoplastic polyether urethane.
(embodiment 2)
Present embodiment is substantially the same manner as Example 1, and difference is: floating element 6 adopts polyurethane foam plastics, and overcoat 8 adopts the fibrage layer of diamagnetic metallic fiber braiding.
(embodiment 3)
Present embodiment is substantially the same manner as Example 1, and difference is: floating element 6 adopts crosslinked polyolefin foam.
(embodiment 4)
Present embodiment is substantially the same manner as Example 1, and difference is: floating element 6 adopts phenolic foam.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above only is specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of being made, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (9)

1. a floating marine wind electric power generation cable is characterized in that: comprise conductor (1), insulating barrier (2), inner covering (3), sheath (4), tensile elements (5), floating element (6), water blocking layer (7), overcoat (8) and oversheath (9); The outer extruded insulation layer of described conductor (1) (2) forms insulated wire cores, thoroughly does away with the edge core more and is twisted into cable core; Outside cable core, extrude inner covering (3) and sheath (4) successively; Wrapped two-layer protective layer outside sheath (4), every layer of protective layer is made up of a plurality of protection components that encompass a circle, and each protection component forms by extrude floating element (6) outside tensile elements (5); Wrapped successively water blocking layer (7), overcoat (8) and oversheath (9) outside two-layer protective layer; Described insulating barrier (2) and inner covering (3) adopt the extruding of thermoplastic elastomer (TPE) (TPE) material to form; Described insulating barrier (2) adopts the TPO material among the TPE, and inner covering (3) adopts the TPS material among the TPE.
2. floating marine wind electric power generation cable according to claim 1 is characterized in that: described conductor (1) adopts zinc-plated soft copper silk; The lay ratio that copper wire is made strand is 15~18 times; The ectonexine strand that strand twists again is 8~9 times to, lay ratio identical with lay ratio.
3. floating marine wind electric power generation cable according to claim 1 and 2 is characterized in that: be filled with talcum powder between described inner covering (3) and the insulated wire cores.
4. floating marine wind electric power generation cable according to claim 3 is characterized in that: described sheath (4) thermoplastic polyether urethane.
5. floating marine wind electric power generation cable according to claim 4 is characterized in that: described tensile elements (5) adopts the aramid fiber silk.
6. floating marine wind electric power generation cable according to claim 5 is characterized in that: described floating element (6) is selected from a kind of in polyethylene foamed, polyurethane foam plastics, crosslinked polyolefin foam and the phenolic foam; The structure of the foaming of floating element (6) is that obturator-type, foaming density are high foaming, and density is at 0.05~0.1g/cm 2Mechanical performance is soft, and modulus of elasticity is at 100~200MPa.
7. floating marine wind electric power generation cable according to claim 6 is characterized in that: described water blocking layer (7) is wrapped two-layer waterstop outside protection component.
8. floating marine wind electric power generation cable according to claim 7 is characterized in that: described overcoat (8) adopts the fibrage layer of braiding polypropylene fibre silk or the braiding of diamagnetic metallic fiber.
9. floating marine wind electric power generation cable according to claim 8 is characterized in that: described oversheath (9) adopts thermoplastic polyether urethane.
CN 201010511398 2010-10-19 2010-10-19 Offshore floating wind power generation cable Active CN101996708B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103680708A (en) * 2013-12-20 2014-03-26 中天科技海缆有限公司 Flexible positive buoyancy cable floating on water surface
CN103903813A (en) * 2014-03-05 2014-07-02 安徽中通电缆科技有限公司 Communication cable special for sea
CN104252901A (en) * 2013-06-26 2014-12-31 申晓华 A high strength buoyant cable
CN104577365A (en) * 2015-01-28 2015-04-29 武汉大学 Breakage-proof graphite line and method for manufacturing breakage-proof graphite line
CN104751957A (en) * 2013-12-31 2015-07-01 深圳市联嘉祥科技股份有限公司 Photovoltaic cable and preparation method thereof
CN105705697A (en) * 2013-11-07 2016-06-22 帝人芳纶有限公司 Floating linear tension member comprising multiple fibers
CN106683763A (en) * 2015-11-11 2017-05-17 衡阳恒飞电缆有限责任公司 Cable used for conduction charging system of electric vehicle
CN107578842A (en) * 2017-08-09 2018-01-12 中船重工(葫芦岛)特种电缆有限责任公司 A kind of floating on water cable
CN107689265A (en) * 2017-09-05 2018-02-13 上海金尔电线电缆有限公司 Buoyant cable
CN108320843A (en) * 2018-03-27 2018-07-24 唐山华通特种线缆制造有限公司 A kind of reel suspender private cable and production method
CN112635115A (en) * 2020-12-08 2021-04-09 安徽华津电缆集团有限公司 Offshore floating wind power generation cable
CN114171245A (en) * 2021-10-18 2022-03-11 安徽华能电缆集团有限公司 Offshore floating wind power generation cable
CN115132407A (en) * 2022-08-10 2022-09-30 南京全信传输科技股份有限公司 Polar marine low temperature resistant oil resistant halogen free flame retardant flexible cable and preparation method
WO2024244119A1 (en) * 2023-05-31 2024-12-05 上海朗达电缆(集团)有限公司 Floating cable for self-buoyant water surface robot and manufacturing method therefor

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CN201274187Y (en) * 2008-08-20 2009-07-15 江苏长峰电缆有限公司 Wind energy electric cable
CN201374213Y (en) * 2009-04-03 2009-12-30 江苏江扬电缆有限公司 Wind energy cable
CN101673596A (en) * 2009-09-24 2010-03-17 江苏晨曦光伏科技有限公司 Cable for measurement and computer input in photovoltaic power stations and manufacturing method thereof
CN101710501A (en) * 2009-05-20 2010-05-19 深圳职业技术学院 Bending-resistant highly-flexible floating cable and manufacturing method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5105057A (en) * 1991-05-20 1992-04-14 Weinberg Martin J Insulated magnet wire and method of forming the same
CN201274187Y (en) * 2008-08-20 2009-07-15 江苏长峰电缆有限公司 Wind energy electric cable
CN201374213Y (en) * 2009-04-03 2009-12-30 江苏江扬电缆有限公司 Wind energy cable
CN101710501A (en) * 2009-05-20 2010-05-19 深圳职业技术学院 Bending-resistant highly-flexible floating cable and manufacturing method thereof
CN101673596A (en) * 2009-09-24 2010-03-17 江苏晨曦光伏科技有限公司 Cable for measurement and computer input in photovoltaic power stations and manufacturing method thereof

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104252901A (en) * 2013-06-26 2014-12-31 申晓华 A high strength buoyant cable
CN105705697A (en) * 2013-11-07 2016-06-22 帝人芳纶有限公司 Floating linear tension member comprising multiple fibers
CN103680708A (en) * 2013-12-20 2014-03-26 中天科技海缆有限公司 Flexible positive buoyancy cable floating on water surface
CN104751957A (en) * 2013-12-31 2015-07-01 深圳市联嘉祥科技股份有限公司 Photovoltaic cable and preparation method thereof
CN104751957B (en) * 2013-12-31 2017-02-01 深圳市联嘉祥科技股份有限公司 Photovoltaic cable and preparation method thereof
CN103903813A (en) * 2014-03-05 2014-07-02 安徽中通电缆科技有限公司 Communication cable special for sea
CN103903813B (en) * 2014-03-05 2017-01-25 安徽中通电缆科技有限公司 Communication cable special for sea
CN104577365A (en) * 2015-01-28 2015-04-29 武汉大学 Breakage-proof graphite line and method for manufacturing breakage-proof graphite line
CN106683763A (en) * 2015-11-11 2017-05-17 衡阳恒飞电缆有限责任公司 Cable used for conduction charging system of electric vehicle
CN107578842A (en) * 2017-08-09 2018-01-12 中船重工(葫芦岛)特种电缆有限责任公司 A kind of floating on water cable
CN107689265A (en) * 2017-09-05 2018-02-13 上海金尔电线电缆有限公司 Buoyant cable
CN107689265B (en) * 2017-09-05 2019-12-10 上海金尔电线电缆有限公司 Floating cable
CN108320843A (en) * 2018-03-27 2018-07-24 唐山华通特种线缆制造有限公司 A kind of reel suspender private cable and production method
CN108320843B (en) * 2018-03-27 2023-10-17 河北华通线缆集团股份有限公司 Reel sling cable and manufacturing method
CN112635115A (en) * 2020-12-08 2021-04-09 安徽华津电缆集团有限公司 Offshore floating wind power generation cable
CN112635115B (en) * 2020-12-08 2022-10-11 安徽华津电缆集团有限公司 Offshore floating wind power generation cable
CN114171245A (en) * 2021-10-18 2022-03-11 安徽华能电缆集团有限公司 Offshore floating wind power generation cable
CN114171245B (en) * 2021-10-18 2023-12-08 安徽华能电缆集团有限公司 Offshore floating wind power generation cable
CN115132407A (en) * 2022-08-10 2022-09-30 南京全信传输科技股份有限公司 Polar marine low temperature resistant oil resistant halogen free flame retardant flexible cable and preparation method
WO2024244119A1 (en) * 2023-05-31 2024-12-05 上海朗达电缆(集团)有限公司 Floating cable for self-buoyant water surface robot and manufacturing method therefor

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