CN102606408B - Wind generation set at sea - Google Patents
Wind generation set at sea Download PDFInfo
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- CN102606408B CN102606408B CN201210091247.XA CN201210091247A CN102606408B CN 102606408 B CN102606408 B CN 102606408B CN 201210091247 A CN201210091247 A CN 201210091247A CN 102606408 B CN102606408 B CN 102606408B
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- floating block
- rigid member
- float structure
- link
- fan tower
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The invention provides a wind generation set at sea, which comprises a float body structure, a fan tower cylinder and a wind generation set. The upper end of the float body structure is connected with one end of the fan tower cylinder, the other end of the tower cylinder is provided with the wind generation set, and the lower end of the float body structure is connected with a seabed anchor through a connection part. The wind generation set at sea has the advantages of being simple in structure, reliable, economic, practical, good in stability and convenient in construction and installation.
Description
Technical field
The present invention relates to a kind of offshore wind turbine.
Background technique
Wind energy is a kind of clean renewable green energy resource, and development efficiency is high, and good economy performance has large-scale development condition and Commercial Prospect, and countries in the world are being built wind energy turbine set energetically, and wind generating technology is also developed rapidly.Wind energy turbine set is mainly divided into landwid electric field and marine wind electric field.Landwid electric field starting early, develops comparative maturity, but exists serious land used contradiction, noise pollution, good site to develop gradually the problems such as complete, and the exploitation of wind energy turbine set is shifted to sea just gradually.
Marine wind electric field is divided into shallow sea wind power field and deep-sea wind energy turbine set by position, marine site of living in.Shallow sea wind power field is applicable to 50m with the marine site of the interior depth of water, adopts fixed base form.Shallow sea wind power field, in Europe, particularly in country's startings such as Denmark, Britain early, is developed also rapid especially.Deep-sea wind energy turbine set is generally applicable to 50m with the marine site of headwater depth.Oversea wind aboundresources, larger than land wind-force generated energy, meanwhile, the wind resource in region, deep-sea, than greater coasting area horn of plenty more, has very large development potentiality, is also the main marine site of following marine wind electric field exploitation.
Design that a kind of cost is low, good stability, offshore wind turbine generator foundation structure applied widely be significant to the adjustment of the development of China's offshore wind farm industry and energy resource structure.
Summary of the invention
Based on this, the present invention proposes a kind of good stability, construction and offshore wind turbine easy for installation.
A kind of offshore wind turbine comprises float structure, blower fan tower barrel, wind-powered electricity generation unit, the upper end of described float structure connects one end of described blower fan tower barrel, the other end of described blower fan tower barrel is provided with wind-powered electricity generation unit, the lower end of described float structure connects seabed anchor by link, therein in an embodiment, described float structure comprises interconnective the first floating block and the second floating block, one end of the second described floating block connecting fan tower cylinder, the first described floating block connects seabed anchor by link, described float structure comprises at least one the 3rd floating block, described the 3rd floating block is connected to described the first floating block, between the second floating block, described first, two, three floating blocks are cylindrical, the diameter of described the first floating block is greater than the diameter of the 3rd floating block, the diameter of the 3rd floating block is greater than the diameter of the second floating block.
In an embodiment, also comprise rigid member, link therein, described float structure lower end connects rigid member, and described link one end connects described rigid member, and the other end connects seabed anchor.
In an embodiment, described rigid member stretches out to surrounding from the periphery of described float structure, and the thickness of described rigidity reduces gradually along bearing of trend therein.
In an embodiment, the cross section of described rigid member is rectangle therein.
In an embodiment, described link is tension force muscle tendon or anchor hawser therein.
In an embodiment, described rigid member and described the first floating block are integrated therein.
Therein in an embodiment, described wind-powered electricity generation unit comprises gear-box and is installed on the blade on gear-box, and described gear-box is installed on one end of blower fan tower barrel.
The float structure of offshore wind turbine of the present invention adopt the first floating block under, the second floating block is in upper mode, good stability, simple in structure, construction and easy for installation, economic and practical,
The surplus buoyancy that pretensioning balance first floating block of link provides, vertical large with rotational stiffness, can well limit catenary motion and the upset of buoyancy aid.
Described the 3rd floating block and the first floating block, the second floating block link together, and the placing structure profile of a plurality of floating blocks is " cucurbit " shape seemingly, has good stability, can reduce the motion of float structure, guarantee the safety of generator set.
Float structure adopt large diameter the first floating block under, the second floating block of minor diameter is in upper mode, the diameter of the 3rd middle floating block is between the two, when guaranteeing that float structure provides enough buoyancy, reduce its suffered wave force, meanwhile, heavyly above gently can guarantee its stability down.
Between the first floating block and rigid member, by rectangular cross-section, be connected, more firm, it is also relatively convenient to make.
Rigid member and described the first floating block are integrated, and increase whole stability.Also make the first floating block and rigid member make on land one, then transport to sea and install simultaneously, simple to operate.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of offshore wind turbine of the present invention;
Fig. 2 be Fig. 1 along A-A to sectional view;
Description of reference numerals:
1, wind-powered electricity generation unit, 2, blower fan tower barrel, 3, float structure, the 4, first floating block, the 5, second floating block, the 6, the 3rd floating block, the 7, the 4th floating block, 8, rigid member, 9, link, 10, seabed anchor, 11, blade, 12, gear-box.
Embodiment
Below in conjunction with Figure of description, the embodiment of offshore wind turbine of the present invention is described.
As shown in Figure 1, offshore wind turbine comprises wind-powered electricity generation unit 1, blower fan tower barrel 2, float structure 3, one end of the upper end connecting fan tower cylinder 2 of float structure 3, the other end of blower fan tower barrel 2 is provided with wind-powered electricity generation unit 1, and the lower end of float structure 3 connects seabed anchor 10 by link 9.
Float structure 3 comprises the first floating block 4, the second floating block 5, the 3rd floating block 6 and the 4th floating block 7, the 4th floating block 7 links together the first floating block 4 and the 3rd floating block 6, the second floating block 5 and the 4th floating block 7 are cascaded, thereby make the second floating block 5 and link together at first and third, four floating blocks.In the present embodiment, four floating blocks are cylindrical, the second floating block 5 is identical with the diameter of the 4th floating block 7, and the diameter of the first floating block 4 is greater than the diameter of the 3rd floating block 6, and the diameter of the 3rd floating block 6 is greater than the diameter of the second floating block 5, the first floating block 4 is positioned at float structure 3 lower ends, the second floating block 5 is in the upper end of float structure 3, and float structure 3 is lightness sensation in the upper and heaviness in the lower, when float structure provides enough buoyancy, reduce its suffered wave force, guarantee the stable of float structure.It is prefabricated that the second floating block 5 and the 4th floating block 7 can be used as a floating block.Reliable for guaranteeing the intensity of four floating blocks connections, four floating blocks can be prefabricated into one.Be understandable that, the number of floating block is not only limited to four, can set according to actual environmental condition, and its concrete structure of putting is also not limited to described in the present embodiment, meet make steadily whole.
As shown in Figure 2, protruding three rigid members 8 of the first floating block 4, the rigid member 8 of any two becomes 120 ° of angles each other, the cross section of rigid member 8 is rectangle, the cross section size of each rigid member changes, the cross section of rigid member 8 outwards reduces gradually, and between the first floating block 4 and three rigid members 8, overlap joint firmly.Rigid member 8 and the first floating block 4 can be prefabricated into one, guarantee the safety of generator set.
One end of three links 9 connects respectively a rigid member 8, the other end connects respectively a seabed anchor 10, angle between any two links 9 is 120 °, link 9 is tension force muscle tendon or anchor hawser, according to the difference of seabottom geology and the depth of water, described seabed anchor 9 can adopt pile foundation anchor, gravity type anchor or suction type anchor.
Float structure 3 is balance under the effect of buoyant of sea water, self gravitation and link tension force, vertical large with rotational stiffness, can well limit catenary motion and the upset of buoyancy aid.
The top connecting fan tower cylinder 2 of the second floating block 5, the upper installation wind-powered electricity generation unit 1 of blower fan tower barrel 2, described wind-powered electricity generation unit 1 is comprised of blade 11 and gear-box 12, and blade 11 is installed on gear-box 12.
Float structure and rigid member can be made one on land, then transport to sea and install, and the second floating block can adopt flange to be connected with blower fan tower barrel, can facilitate offshore wind turbine to install at sea.
The above embodiment has only expressed the specific embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (3)
1. an offshore wind turbine, comprise float structure, blower fan tower barrel, wind-powered electricity generation unit, the upper end of described float structure connects one end of described blower fan tower barrel, the other end of described blower fan tower barrel is provided with wind-powered electricity generation unit, the lower end of described float structure connects seabed anchor by link, it is characterized in that, described float structure comprises interconnective the first floating block and the second floating block, one end of the second described floating block connecting fan tower cylinder, the first described floating block connects seabed anchor by link, described float structure comprises at least one the 3rd floating block, described the 3rd floating block is connected to described the first floating block, between the second floating block, described first, two, three floating blocks are cylindrical, the diameter of described the first floating block is greater than the diameter of the 3rd floating block, the diameter of the 3rd floating block is greater than the diameter of the second floating block, also comprise rigid member, link, described float structure lower end connects rigid member, described link one end connects described rigid member, the other end connects seabed anchor, described rigid member and described the first floating block are integrated, protruding three rigid members of the first floating block, the rigid member of any two becomes 120 ° of angles each other, the cross section of rigid member is rectangle, the cross section of rigid member outwards reduces gradually, described rigid member stretches out to surrounding from the periphery of described float structure, and the thickness of described rigid member reduces gradually along bearing of trend.
2. offshore wind turbine according to claim 1, is characterized in that, described link is tension force muscle tendon or anchor hawser.
3. offshore wind turbine according to claim 1, is characterized in that, described wind-powered electricity generation unit comprises gear-box and be installed on the blade on gear-box, and described gear-box is installed on one end of blower fan tower barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210091247.XA CN102606408B (en) | 2012-03-30 | 2012-03-30 | Wind generation set at sea |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210091247.XA CN102606408B (en) | 2012-03-30 | 2012-03-30 | Wind generation set at sea |
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| Publication Number | Publication Date |
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| CN102606408A CN102606408A (en) | 2012-07-25 |
| CN102606408B true CN102606408B (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201210091247.XA Active CN102606408B (en) | 2012-03-30 | 2012-03-30 | Wind generation set at sea |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180170488A1 (en) * | 2014-05-27 | 2018-06-21 | Esteyco S.A.P. | Floating structure for wind turbine and method of intalling same |
| CN104763595A (en) * | 2015-04-06 | 2015-07-08 | 陈佳宇 | Self-adapted wind collection type overwater wind power station |
| CN106043609A (en) * | 2016-06-16 | 2016-10-26 | 江苏海上龙源风力发电有限公司 | Movable floating type offshore anemometer tower |
| CN107675723B (en) * | 2017-10-11 | 2020-02-07 | 上海勘测设计研究院有限公司 | Tension leg type offshore wind driven generator foundation |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1746075A (en) * | 2005-08-05 | 2006-03-15 | 珠海天岳橡塑制品有限公司 | Eyelet light pole with high stagnation |
| CN1856643A (en) * | 2003-08-27 | 2006-11-01 | 诺尔斯海德公司 | A wind turbine for use offshore |
| CN202493378U (en) * | 2012-03-30 | 2012-10-17 | 广东省电力设计研究院 | Offshore wind generating set |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2003004869A1 (en) * | 2001-07-06 | 2003-01-16 | Vestas Wind Systems A/S | Offshore wind turbine with floating foundation |
| US20110074155A1 (en) * | 2010-12-03 | 2011-03-31 | Scholte-Wassink Harmut | Floating offshore wind farm, a floating offshore wind turbine and a method for positioning a floating offshore wind turbine |
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2012
- 2012-03-30 CN CN201210091247.XA patent/CN102606408B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1856643A (en) * | 2003-08-27 | 2006-11-01 | 诺尔斯海德公司 | A wind turbine for use offshore |
| CN1746075A (en) * | 2005-08-05 | 2006-03-15 | 珠海天岳橡塑制品有限公司 | Eyelet light pole with high stagnation |
| CN202493378U (en) * | 2012-03-30 | 2012-10-17 | 广东省电力设计研究院 | Offshore wind generating set |
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| CN102606408A (en) | 2012-07-25 |
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Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee after: Guangdong Electric Power Design Institute of CEEC Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee before: Guangdong Electric Power Design Institute |
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Address after: 510663 Guangzhou, Whampoa District, Guangzhou Science City, Feng Road, No. 1, No. Patentee after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee before: Guangdong Electric Power Design Institute of CEEC |
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| CP02 | Change in the address of a patent holder |
Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No. Patentee after: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute Address before: 510663 Guangzhou, Whampoa District, Guangzhou Science City, Feng Road, No. 1, No. Patentee before: Company limited of China Energy Engineering Group Guangdong Electric Power Design Institute |