CN101550901A - Wind turbine structure with plurality of propeller-type rotors - Google Patents

Wind turbine structure with plurality of propeller-type rotors Download PDF

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Publication number
CN101550901A
CN101550901A CNA2009100038953A CN200910003895A CN101550901A CN 101550901 A CN101550901 A CN 101550901A CN A2009100038953 A CNA2009100038953 A CN A2009100038953A CN 200910003895 A CN200910003895 A CN 200910003895A CN 101550901 A CN101550901 A CN 101550901A
Authority
CN
China
Prior art keywords
wind turbine
turbine structure
wind
propeller
type rotors
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CNA2009100038953A
Other languages
Chinese (zh)
Inventor
胡应湘
胡文新
胡芝明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEHE WIND POWER CO Ltd
Original Assignee
HEHE WIND POWER CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from HK08102329.0 external-priority
Application filed by HEHE WIND POWER CO Ltd filed Critical HEHE WIND POWER CO Ltd
Publication of CN101550901A publication Critical patent/CN101550901A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D3/00Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06Rotors
    • F03D3/062Construction
    • F03D3/065Construction the wind engaging parts having no movement relative to the rotor during its rotation
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D3/00Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/02Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  having a plurality of rotors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05BINDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00Components
    • F05B2240/40Use of a multiplicity of similar components
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/74Wind turbines with rotation axis perpendicular to the wind direction

Abstract

The invention provides a wind turbine structure, which has a vertical core; the vertical core supports a plurality of layers of rotor support frames and a power generating unit; each rotor support frame comprises a circular rotating disk which is rotatably arranged on the vertical core, at least two arms extending radially, and at least one pair of propeller-type rotors which are respectively arranged at the ends of the arms extending radially; and each rotor support frame can rotate independently around the vertical core and further comprises a wind guiding device.

Description

Wind turbine structure with a plurality of propeller-type rotors
Technical field
The present invention relates in general to a kind of wind turbine structure.More specifically, the present invention relates to a kind of vertical wind turbine structure, described wind turbine structure has a plurality of stacked paired propeller-type rotors.
Background technique
Along with the growth that continues to energy demand, especially in developing country, and the supply of recognizing traditional fossil fuel is limited, people are more and more interested in the new method of utilizing renewable energy sources with improvement, renewable energy sourcess such as daylight, wind, rain (water), morning and evening tides and underground heat for example, they can replenish naturally again.Hydroelectric power becomes main renewable energy sources decades.But, along with the pay attention to day by day of the environmetal impact that the damming water channel is caused and recognize that clean drinking water is an important resource, water-power project recognize being subjected to property decrescence.People's attention is now transferred to and is utilized the resource of wind-force as extensive generating in future.
Horizontal shaft type wind turbine comprises a tower, is equipped with a horizontal axis propeller-type rotors on the tower with rotating generator.About high 40 floors of Zui Da horizontal shaft type wind turbine have the rotor blade diameter near 126 meters so far.Supply to utility network in order to produce enough electric power, horizontal shaft type wind turbine is set at and can holds hundreds of typhoon turbines and the huge large-scale wind power field of floor space.Though they can utilize a large amount of renewable energy sourcess, yet these wind power plant floor spaces are very big and be repugnant to the eye.
Summary of the invention
One object of the present invention is to provide a kind of wind turbine structure, and described wind turbine structure can manufacture has the scale bigger than hitherto known wind turbine, more effectively to utilize wind energy.Another object of the present invention is to provide a kind of wind turbine structure, described wind turbine structure overcomes or improves at least some shortcomings of known wind turbine, or is at least the selection that the public provides usefulness.
According to the present invention, a kind of wind turbine structure is provided, comprising:
Vertical core
The rotor supports framework, described rotor supports framework places described vertical core rotationally, and have at least two arms that radially extend and
A pair of propeller-type rotors lays respectively at the described end of the arm of extension radially.
Preferably, vertical core comprises concentric inside and outside circular wall, leaves the space at described inside and outside between the walls.
Preferably, described wind turbine structure also comprises a plurality of vertical rib formula backbone who is positioned at described space and connects described inside and outside wall.
Preferably, described inner circular wall forms the central space of hollow at described vertical in-core.
Preferably, described rotor supports framework is supported on the ring raceway that is arranged at described vertical core rotationally.
Preferably, the upper and lower of described rotor supports framework is supported on the upper and lower ring raceway that is arranged at described vertical core rotationally.
Preferably, described rotor supports framework can freely rotate around described vertical core.
Preferably, each propeller-type rotors all is connected with the electricity generating device of oneself.
Preferably, each propeller-type rotors all drives an electricity generating device.
Preferably, each propeller-type rotors comprises two-layer blade.
Preferably, the first layer of described two-layer blade rotates on first direction, and the second layer of described two-layer blade rotates in the opposite direction.
Preferably, the diameter of described two-layer blade is identical basically.
Preferably, the blade quantity of described two-layer blade is different.
Preferably, described wind turbine structure also comprises wind-guiding device, and described wind-guiding device is positioned on the described rotor supports framework, is used for the wind propeller-type rotors that leads.
Preferably, described wind-guiding device comprises the leading edge that roughly is in the center and a pair ofly extends a pair of wind-guiding surface to the tip of propeller-type rotors from leading edge.
Preferably, described wind-guiding device vertically extends to the height that is equal to the propeller-type rotors height basically.
Preferably, the surface of described wind-guiding device is flat or recessed.
Preferably, described wind turbine structure also comprises at least two rotor supports frameworks, and described rotor supports framework is provided with in a mode that is positioned at another top, is used for rotating around described vertical core independently.
In addition, following description discloses more features of the present invention and content, and these features and content only are that the mode with example provides, and have no intent to limit the scope of application of the present invention or function.
Description of drawings
Now, only be described as an example according to embodiments of the invention, and for referencial use with accompanying drawing, wherein:
Fig. 1 is the perspective view according to wind turbine structure of the present invention;
Fig. 2 is the front view of the wind turbine structure among Fig. 1;
Fig. 3 is the front view of the single-stage of wind turbine among Fig. 1;
Fig. 4 is the cross-sectional plan view by the A-A line of Fig. 2;
Fig. 5 is the cross-sectional plan view of rotor supports framework;
Fig. 6 is the area B of Fig. 2 and the detailed view of C (optionally corbel);
Fig. 7 is the area B of Fig. 2 and the detailed view of C (optionally ledge);
Fig. 8 illustrates the effect of wind-guiding device at first wind direction; With
Fig. 9 illustrates wind-guiding device forwards second wind direction at rotor effect.
Embodiment
Now the present invention is described with large-scale (that is high constructure scale) multilayer wind turbine structure.The design of wind turbine makes it can be made into very large scale, and is especially a lot of greatly than known wind turbine.Up to now, Zui Da wind turbine is that blade diameter reaches 126 meters horizontal shaft type wind turbine.The large-scale wind turbine that the inventor means is meant that the overall width according to wind turbine of the present invention can reach 350 meters and vertical height and reach 500 meters or higher.Yet this statement has no intent to limit use of the present invention or function.Those skilled in the art will appreciate that principle of the present invention goes for the wind turbine of any scale, bigger or littler.
Because of wind turbine according to the present invention can be made into so big scale, so it can utilize large-area wind at the higher more high altitude of wind speed.The power capability of wind (P) is by 1/2 ρ Av 3Provide, herein, ρ is the density of air, and A is the blowing area of wind turbine, and v is a wind speed.Based on this, the amount of the power that wind turbine produced will increase in proportion with the inswept area of rotor and cube increasing progressively by wind speed.Because can reach 350 meters wide and a plurality of rotors are arranged, wind turbine structure provides huge wind catching area.Owing to can reach 500 meters or higher height, this means that wind turbine will be exposed to the more wind of high wind speed.Therefore, can from wind, seize higher energy according to wind turbine of the present invention.
The wind turbine that makes up scale mentioned above can utilize the technology of known building structure and major works.Most countries has had many up to 500 meters or higher high building in the world.The building technology of these structures is easy to become the know-how that those skilled in the art grasp.These known constructing technologies are applicable to the discrete structure element and the characteristics of the wind turbine of describing herein.
The device of preferred embodiment is " multilayer (multi-stage) ", a plurality of independently rotor supports frameworks depend on a shared vertical core in this device, vertically stack, wherein each framework comprises the rotating disc that is connected to the radial arm that supports a pair of propeller-type rotors.Rice is high because wind turbine structure extends to hundreds of, and it stands different wind directions and wind speed at various height.Each rotor supports framework can at differentiated levels, freely rotate under the different wind conditions may standing independently in response to it.Yet wind turbine structure can have only a rotor supports framework.
Figure of description has been described according to multilayer wind turbine structure of the present invention.Though scale is not crucial for purposes of the invention, described wind turbine structure diameter has 350 meters overall width and the height up to 500 meters.Described structure comprises cylindrical shape central core 1, is provided with four rotor layers 3,4,5,6 around core, and described four rotor layers are provided with in a mode that is layered on another.Each rotor layer comprises: rotor supports framework, described rotor supports framework comprise the rotating disc 11 and two relative arms 13 that places vertical cored structure 1 rotationally, and described arm radially extends from the both sides of rotating disc 11.A pair of horizontal axis propeller-type rotors 12 is arranged on the end of arm 13.Alternative wind-guiding device 14 time can be arranged on the wind-engaging side of rotor supports framework in operation, is used for wind is left and towards propeller-type rotors 12 from the central deflection of described structure.
Vertical core 1 comprises the cylindrical column of vertically extending, form the core of wind turbine structure.The diameter of core tower requires decision by stability of structure, and typically have total wind turbine structure width 15% to 40% between diameter.In a preferred embodiment, the diameter of core tower is 25% of a wind turbine structure width.Because of wind turbine structure has 350 meters width, the diameter of core tower is 88 meters.Core tower 1 extends the whole height of wind turbine structure, and flat, cat head covering that tilt or dome are arranged.The core tower is made up by two circular walls 15,16 of concentric inside and outside ring and forms, and described inside and outside circular between the walls has space 17.A plurality of rib formula backbones 18 separate setting by circumference in space 17, vertically extend and connection interior wall 15 and exterior wall 16.Vertical rib formula backbone 18 is separated into a plurality of unit with the space 17 of between the walls.In a preferred embodiment, the spacing between interior walls 15 and the outer wall 16 is several meters, has enough spaces that elevator shaft, stair-well and machine chamber are set in wall space 17.It is normally empty to be positioned at the zone of interior wall 15 of core, is formed on the big central space 19 in the core 1.Typically, the core tower is built with reinforced concrete and can be adopted known building technology to make up.The double-walled cell structure of core tower provides intensity to tower, to keep out the big horizontal force that is produced by wind.
Every layer 3,4,5,6 of wind turbine structure comprises the rotor supports framework that places core tower 1 freely to rotate.The rotor supports framework that is supported in core rotationally comprises: ring rotation dish 11 and at least two arms 13 that radially extend.Preferably, arm 13 radially is by being-35 supports of La member.End at each arm that radially extends 13 is common propeller-type rotors 12.
Rotating disc 11 places on the upper and lower ring raceway 20,21 that is arranged on core 1 rotationally.Shown in Fig. 6 and 7 sectional views, ring raceway is arranged at the periphery of core tower.As shown in Figure 6, raceway can place the corbel that extends from vertical core, or as shown in Figure 7, vertical core has the different cross section of a plurality of diameters, for raceway forms ledge.Rotating disc 11 is being supported by wheel or the roller 22,23 in the walking of the surface of last raceway and following raceway 20,21.More be provided with of the periphery operation of horizontal thrust roller 24,25 at the core tower.Upper and lower raceway is supporting each rotating disc 11 at top and bottom position.
For propeller-type rotors 12 towards predominant wind direction, rotating disc 11 must be able to freely rotate around central cores 1.Each rotor supports framework can forward the windward side to by guide vane (not shown) or vehicularized system on raceway 20 and/or 21.
The propeller-type rotors 12 that is positioned on the end of each rotor arm 13 is horizontal shaft type wind-power electricity generation well known in the art unit traditionally.In a preferred embodiment, each propeller-type rotors 12 comprises two-layer blade.One deck blade 30 is in the front of rotor 12, and another layer blade 31 is the back at rotor 12.The shape of blade is conventional.The diameter of two-layer blade 30,31 is identical basically, and the diameter of blade is 1.5 times of core diameter in a preferred embodiment.Preferably, the blade quantity of one deck blade 30 is different with the quantity of the blade of another layer blade 31.In a preferred embodiment, the blade 30 of front layer comprises 3 blades, and the blade 31 of back layer comprises 2 blades.When rotor 12 is crossed in wind, front and back blade 30,31 rotates in opposite direction.Yet, be not essential for the blade of this double-layer structure of the present invention, in alternative embodiment, rotor has only one deck propeller-type blade.
Vertical core 1 itself promptly can be used as the wind-guiding device of nature, and the wind guiding is caused propeller-type rotors 12.Thereby, according to wind turbine structure of the present invention can Da Genggao generating efficiency.Yet, in a preferred embodiment, more wind-guiding device 14 can be set at every layer of wind turbine structure, be used for the wind propeller-type rotors 12 that leads.Wind-guiding device 14 is arranged on the rotor supports framework, and rotates with whole framework.Wind-guiding device has leading edge 33 and a pair of wind-guiding surface 34 of opening towards propeller-type rotors 12 of extending from leading edge 33 that roughly is in central authorities.The trailing edge 36 on wind-guiding surface 34 is concave surfaces, with the passage 37 of vane tip of coupling propeller-type rotors 12.In a preferred embodiment, wind-guiding surface 34 also is from the concave surface of leading edge 33 towards trailing edge 36, to provide from straight leading edge seamlessly transitting to recessed trailing edge.
Preferably, wind-guiding device is made with light durable material, for example metal sheet, canvas, tarpaulin fabric, glass fibre or high hardness plastics etc.
Embodiment according to large-scale wind turbine of the present invention has been described here.Many features and component part to described structure, rotor and wind-guiding device are described, the known equivalent that has structure or function in related domain of these features and component part.Can expect to those skill in the art will appreciate that how these functions or equivalent structures are attached among the present invention, thereby embodiment described herein has no intent to limit purposes of the present invention or function.

Claims (18)

1. wind turbine structure comprises:
Vertical core,
The rotor supports framework, described rotor supports framework places described vertical core rotationally, and have at least two arms that radially extend and
A pair of propeller-type rotors, described a pair of propeller-type rotors lay respectively at the end of the described arm that radially extends.
2. wind turbine structure as claimed in claim 1, wherein said vertical core comprises concentric inside and outside circular wall, leaves the space at described inside and outside between the walls.
3. wind turbine structure as claimed in claim 2 also comprises a plurality of vertical rib formula backbone who is positioned at described space and connects described inside and outside wall.
4. wind turbine structure as claimed in claim 2, wherein said inner circular wall form the central space of hollow at described vertical in-core.
5. wind turbine structure as claimed in claim 1, wherein said rotor supports framework is supported on the ring raceway that is arranged at described vertical core rotationally.
6. wind turbine structure as claimed in claim 5, the upper and lower of wherein said rotor supports framework are supported on the upper and lower ring raceway that is arranged at described vertical core rotationally.
7. wind turbine structure as claimed in claim 6, wherein said rotor supports framework can freely rotate around described vertical core.
8. wind turbine structure as claimed in claim 1, wherein the electricity generating device of each propeller-type rotors and its oneself is connected.
9. wind turbine structure as claimed in claim 8 wherein has the electricity generating device that is driven by each described propeller-type rotors.
10. wind turbine structure as claimed in claim 1, wherein each propeller-type rotors comprises two-layer blade.
11. wind turbine structure as claimed in claim 10, the first layer of wherein said two-layer blade rotates towards first direction, and the second layer of described two-layer blade rotates in the opposite direction.
12. wind turbine structure as claimed in claim 10, the diameter of wherein said two-layer blade are identical basically.
13. wind turbine structure as claimed in claim 10, the blade quantity of wherein said two-layer blade is different.
14. wind turbine structure as claimed in claim 1 also comprises wind-guiding device, described wind-guiding device is positioned on the described rotor supports framework, is used for the wind propeller-type rotors that leads.
15. comprising, wind turbine structure as claimed in claim 14, wherein said wind-guiding device roughly be in central leading edge and a pair of from the wind-guiding surface of leading edge extension towards the tip of propeller-type rotors.
16. wind turbine structure as claimed in claim 15, wherein said wind-guiding device vertically extends to the height that is equal to the propeller-type rotors height basically.
17. wind turbine structure as claimed in claim 15, the surface of wherein said wind-guiding device are flat or recessed.
18. wind turbine structure as claimed in claim 1 also comprises at least two rotor supports frameworks, described support frame is provided with in a mode that is positioned at another top, is used for rotating around described vertical core independently.
CNA2009100038953A 2008-02-29 2009-02-12 Wind turbine structure with plurality of propeller-type rotors Pending CN101550901A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
HK08102329.0 2008-02-29
HK08102329.0A HK1121911A2 (en) 2008-02-29 2008-02-29 Shaftless vertical axis wind cage turbine
HK08104604.2 2008-04-24
HK08104651.4 2008-04-25
HK08107704.4 2008-07-14
HK08108816.7 2008-08-11

Publications (1)

Publication Number Publication Date
CN101550901A true CN101550901A (en) 2009-10-07

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ID=40620840

Family Applications (3)

Application Number Title Priority Date Filing Date
CNA2009100038953A Pending CN101550901A (en) 2008-02-29 2009-02-12 Wind turbine structure with plurality of propeller-type rotors
CN200910003896A Pending CN101539097A (en) 2008-02-29 2009-02-12 Shaftless cage type vertical shaft type wind turbine
CNA2009100039000A Pending CN101550904A (en) 2008-02-29 2009-02-12 Shaftless vertical axis-type wind turbine

Family Applications After (2)

Application Number Title Priority Date Filing Date
CN200910003896A Pending CN101539097A (en) 2008-02-29 2009-02-12 Shaftless cage type vertical shaft type wind turbine
CNA2009100039000A Pending CN101550904A (en) 2008-02-29 2009-02-12 Shaftless vertical axis-type wind turbine

Country Status (3)

Country Link
CN (3) CN101550901A (en)
HK (1) HK1121911A2 (en)
WO (1) WO2009106922A1 (en)

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Also Published As

Publication number Publication date
CN101539097A (en) 2009-09-23
WO2009106922A1 (en) 2009-09-03
CN101550904A (en) 2009-10-07
HK1121911A2 (en) 2009-04-30

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