CN102606408A - Wind generation set at sea - Google Patents

Wind generation set at sea Download PDF

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Publication number
CN102606408A
CN102606408A CN201210091247XA CN201210091247A CN102606408A CN 102606408 A CN102606408 A CN 102606408A CN 201210091247X A CN201210091247X A CN 201210091247XA CN 201210091247 A CN201210091247 A CN 201210091247A CN 102606408 A CN102606408 A CN 102606408A
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China
Prior art keywords
floating block
offshore wind
generating group
wind generating
float structure
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CN201210091247XA
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CN102606408B (en
Inventor
邓广义
史磊
杨敏冬
刘晋超
马兆荣
李乐
刘福来
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China Energy Engineering Group Guangdong Electric Power Design Institute Co Ltd
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Guangdong Electric Power Design Institute
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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
    • 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

The offshore wind generating group
Technical field
The present invention relates to a kind of offshore wind generating group.
Background technique
Wind energy is a kind of renewable green energy resource of cleaning, 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 has also obtained fast development.Wind energy turbine set mainly is divided into landwid electric field and marine wind electric field.Landwid electric field starting early, development comparative maturity, but problem such as have serious land used contradiction, noise pollution, good site to develop gradually to finish, the exploitation of wind energy turbine set is shifted to the 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.The shallow sea wind power field is applicable to the marine site of 50m with the interior depth of water, adopts fixed base form.The shallow sea wind power field particularly in country's startings such as Denmark, Britain early, is developed also rapid especially in Europe.The deep-sea wind energy turbine set generally is applicable to the marine site of 50m with headwater depth.The Oversea wind aboundresources, bigger than land wind-force generated energy, simultaneously, the wind resource in deep-sea zone has very big development potentiality than greater coasting area horn of plenty more, also is the main marine site of following marine wind electric field exploitation.
Design that a kind of cost is low, good stability, offshore wind farm unit fondational 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 generating group easy for installation.
A kind of offshore wind generating group comprises float structure, blower fan tower barrel, wind-powered electricity generation unit; The upper end of said float structure connects an end of said blower fan tower barrel; The other end of said blower fan tower barrel is equipped with the wind-powered electricity generation unit, and the lower end of said float structure connects the seabed anchor through link.
Among embodiment, also comprise rigid member, link therein, said float structure lower end connection rigidity member, said link one end connects said rigid member, and the other end connects the seabed anchor.
Therein among embodiment, said rigid member from the periphery of said float structure to around stretch out, and the thickness of said rigidity reduces along bearing of trend gradually.
Among embodiment, the cross section of said rigid member is a rectangle therein.
Among embodiment, described link is tension force muscle tendon or anchor hawser therein.
Among embodiment, said float structure comprises interconnective first floating block and second floating block therein, and described second floating block connects an end of blower fan tower barrel, and described first floating block connects the seabed anchor through link.
Among embodiment, said float structure comprises at least one the 3rd floating block therein, and said the 3rd floating block is connected between said first floating block, second floating block.
Among embodiment, described first, second and third floating block is cylindrical therein, and the diameter of said first floating block is greater than the diameter of the 3rd floating block, and the diameter of the 3rd floating block is greater than the diameter of second floating block.
Among embodiment, said rigid member and said first floating block are one therein.
Among embodiment, said wind-powered electricity generation unit comprises gear-box and is installed on the blade on the gear-box that said gear-box is installed on an end of blower fan tower barrel therein.
The float structure of offshore wind generating group of the present invention adopts first floating block down, and second floating block is in last mode, good stability, and simple in structure, construction and easy for installation, economic and practical,
The surplus buoyancy that pretensioning balance first floating block of link provides, vertical big with rotational stiffness, can well limit the catenary motion and the upset of buoyancy aid.
Said the 3rd floating block and first floating block, second floating block link together, and the structure and shape of putting of a plurality of floating blocks seems to be " cucurbit " shape, has good stable property, can reduce the motion of float structure, guarantees the safety of generator set.
Float structure adopts large diameter first floating block following, and second floating block of minor diameter is in last mode, and 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, simultaneously, heavily go up gently down and can guarantee its stability.
Be connected through the rectangular cross-section between first floating block and the rigid member, more firm, it is also convenient relatively to make.
Rigid member and said first floating block are one, increase whole stability.Also make simultaneously win floating block floating block and rigid member process one, transport to the sea then and install in the land, simple to operate.
Description of drawings
Fig. 1 is the schematic representation of offshore wind generating group 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, 4, first floating block, 5, second floating block, the 6, the 3rd floating block, the 7, the 4th floating block, 8, rigid member, 9, link, 10, the seabed anchor, 11, blade, 12, gear-box.
Embodiment
Embodiment to offshore wind generating group of the present invention describes below in conjunction with Figure of description.
As shown in Figure 1; The offshore wind generating group comprises wind-powered electricity generation unit 1, blower fan tower barrel 2, float structure 3, and the upper end of float structure 3 connects an end of blower fan tower barrel 2; The other end of blower fan tower barrel 2 is equipped with wind-powered electricity generation unit 1, and the lower end of float structure 3 is through link 9 connection seabed anchors 10.
Float structure 3 comprises first floating block 4, second floating block 5, the 3rd floating block 6 and the 4th floating block 7; The 4th floating block 7 links together first floating block 4 and the 3rd floating block 6; Second floating block 5 and the 4th floating block 7 are cascaded, thereby make second floating block 5 and link together at first and third, four floating blocks.In the present embodiment, four floating blocks are cylindrical, and second floating block 5 is identical with the diameter of the 4th floating block 7; The diameter of 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 second floating block 5, and first floating block 4 is positioned at float structure 3 lower ends; 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 second floating block 5 and the 4th floating block 7 can be used as a floating block.Reliable for the intensity that guarantees four floating blocks connections, four floating blocks can be prefabricated into one.It is understandable that the number of floating block not only is limited to four, can set that its concrete structure of putting also is not limited to described in the present embodiment, satisfy making wholely steadily getting final product according to actual environmental condition.
As shown in Figure 2; First floating block, 4 protruding three rigid members 8; Any two rigid member 8 becomes 120 ° of angles each other, and the cross section of rigid member 8 is a rectangle, and the cross section size of each rigid member changes; The cross section of rigid member 8 outwards reduces gradually, overlaps firmly between first floating block 4 and three rigid members 8.The rigid member 8 and first floating block 4 can be prefabricated into one, guarantee the safety of generator set.
One end of three links 9 connects a rigid member 8 respectively; The other end connects a seabed anchor 10 respectively; Angle between any two links 9 is 120 °; Link 9 is tension force muscle tendon or anchor hawser, different according to the seabottom geology and the depth of water, and said 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, and is vertical big with rotational stiffness, can well limit the catenary motion and the upset of buoyancy aid.
The top of second floating block 5 connects blower fan tower barrel 2, and wind-powered electricity generation unit 1 is installed in going up of blower fan tower barrel 2, and said wind-powered electricity generation unit 1 is made up of blade 11 and gear-box 12, and blade 11 is installed on the gear-box 12.
Float structure and rigid member can be processed one in the land, transport to the sea then and install, and second floating block can adopt flange to be connected with blower fan tower barrel, can make things convenient for the offshore wind generating group to install at sea.
The above embodiment has only expressed embodiment of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, 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 accompanying claims.

Claims (10)

1. offshore wind generating group; It is characterized in that; Comprise float structure, blower fan tower barrel, wind-powered electricity generation unit; The upper end of said float structure connects an end of said blower fan tower barrel, and the other end of said blower fan tower barrel is equipped with the wind-powered electricity generation unit, and the lower end of said float structure connects the seabed anchor through link.
2. offshore wind generating group according to claim 1 is characterized in that, also comprises rigid member, link, said float structure lower end connection rigidity member, and said link one end connects said rigid member, and the other end connects the seabed anchor.
3. offshore wind generating group according to claim 2 is characterized in that, said rigid member from the periphery of said float structure to around stretch out, and the thickness of said rigidity reduces along bearing of trend gradually.
4. according to each described offshore wind generating group of claim 3, it is characterized in that the cross section of said rigid member is a rectangle.
5. offshore wind generating group according to claim 4 is characterized in that, described link is tension force muscle tendon or anchor hawser.
6. according to each described offshore wind generating group of claim 1-5; It is characterized in that; Said float structure comprises interconnective first floating block and second floating block, and described second floating block connects an end of blower fan tower barrel, and described first floating block connects the seabed anchor through link.
7. offshore wind generating group according to claim 6 is characterized in that, said float structure comprises at least one the 3rd floating block, and said the 3rd floating block is connected between said first floating block, second floating block.
8. offshore wind generating group according to claim 7 is characterized in that, described first, second and third floating block is cylindrical, and the diameter of said first floating block is greater than the diameter of the 3rd floating block, and the diameter of the 3rd floating block is greater than the diameter of second floating block.
9. offshore wind generating group according to claim 6 is characterized in that, said rigid member and said first floating block are one.
10. offshore wind generating group according to claim 6 is characterized in that, said wind-powered electricity generation unit comprises gear-box and be installed on the blade on the gear-box that said gear-box is installed on an end of blower fan tower barrel.
CN201210091247.XA 2012-03-30 2012-03-30 Wind generation set at sea Active CN102606408B (en)

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CN102606408B CN102606408B (en) 2014-08-13

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016161929A1 (en) * 2015-04-06 2016-10-13 无锡科创知识产权服务有限公司 Adaptive wind collection type waterborne 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
CN106687368A (en) * 2014-05-27 2017-05-17 埃斯特科股份公司 Floating substructure for a wind generator and method of installing same
CN107675723A (en) * 2017-10-11 2018-02-09 上海勘测设计研究院有限公司 Tension leg type offshore wind generating basis

Citations (5)

* Cited by examiner, † Cited by third party
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
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
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
CN202493378U (en) * 2012-03-30 2012-10-17 广东省电力设计研究院 Offshore wind generating set

Patent Citations (5)

* Cited by examiner, † Cited by third party
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
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
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
CN202493378U (en) * 2012-03-30 2012-10-17 广东省电力设计研究院 Offshore wind generating set

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106687368A (en) * 2014-05-27 2017-05-17 埃斯特科股份公司 Floating substructure for a wind generator and method of installing same
WO2016161929A1 (en) * 2015-04-06 2016-10-13 无锡科创知识产权服务有限公司 Adaptive wind collection type waterborne 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
CN107675723A (en) * 2017-10-11 2018-02-09 上海勘测设计研究院有限公司 Tension leg type offshore wind generating basis
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

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Owner name: CHINA ENERGY ENGINEERING GROUP GUANGDONG ELECTRIC

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Address after: 510663 Luogang District, Guangdong, Guangzhou Science City Fung Road, No. 1, No.

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