CN102135070B - Modularized vertical axis wind turbine and modular design method thereof - Google Patents
Modularized vertical axis wind turbine and modular design method thereof Download PDFInfo
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- CN102135070B CN102135070B CN2011100493768A CN201110049376A CN102135070B CN 102135070 B CN102135070 B CN 102135070B CN 2011100493768 A CN2011100493768 A CN 2011100493768A CN 201110049376 A CN201110049376 A CN 201110049376A CN 102135070 B CN102135070 B CN 102135070B
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- 230000002650 habitual effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000003475 lamination Methods 0.000 description 2
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The invention discloses a modularized vertical axis wind turbine, comprising a tower column, wherein the tower column is sequentially provided with at least two vertical axis wind turbine modules up and down, each wind turbine module comprises a wind wheel module and a generator connected with the wind wheel module, the wind wheel module comprises a supporting wheel and a plurality of blades, the blades are vertically arranged and are connected with the tower column by virtue of the supporting wheel, the generator is connected between at least one supporting wheel and the tower column, a stator of the generator is fixed on the tower column, and a rotor of the generator is connected with the supporting wheel. The invention also provides a design method of the wind turbine. The invention breaks through the traditional habitual thought of one fan and one wind wheel, and a high-power or ultrahigh-power vertical axis wind turbine can be conveniently manufactured; wind power resource distributed in the height direction can be fully utilized; and a series of high-power or ultrahigh-power wind turbines in different specifications can be produced by less production technical equipment of basic modules, and the design and manufacturing costs are greatly reduced, thus the wind turbine and the design method provided by the invention have good application prospect and market prospect.
Description
Technical field
The present invention relates to a kind of vertical axis aerogenerator, a kind of modularization vertical axis aerogenerator particularly is provided.The present invention also provides a kind of design method of this high-power modular vertical axis aerogenerator.
Background technique
Vertical axis aerogenerator is reasonable with its stressing conditions, advantages such as noise is low, working stability, convenient for maintaining are promoted rapidly in wind power generation field, and develops trend high-power, that the superhigh power wind-driven generator has become wind-power electricity generation.Vertical axis aerogenerator comprises king-post, is set in the wind wheel on the king-post and places the generator between king-post and wind wheel on the king-post, described wind wheel comprises supporting wheel and blade, supporting wheel is made up of some struts, blade is connected with this strut, and strut is connected with the rotating component of generator.Wind wheel rotates and drives the rotor rotation generating that is fixed on the generator on the king-post.The conventional measure that increases the generated output of vertical axis aerogenerator is to increase rotor diameter and increase the length that the wind wheel height namely increases blade, and these ways have bigger narrow limitation.The diameter of wind wheel is more big, the strut length that connects blade also just need be done more longly, because blade-carrying strut is overhang, strut length is more long, make the more easy deflection of leaf position, over-tilting for fear of blade, will do the sectional dimension of strut increasing, and this can have influence on the aeroperformance of wind wheel, increase wind resistance, also make the manufacture cost of wind wheel and manufacture difficulty improve greatly, and increase the effective rate of utilization that the wind wheel radius can reduce the wind field area merely, reduce wind-driven generator installation density, can not take full advantage of vertical axis aerogenerator and on short transverse, can appoint the advantage of getting the cut-off wind area; And the length of increase blade, because it is bigger that natural wind has the eminence lower, the long wind difference in torque that makes blade bear up and down of blade increases, and this can cause blade to bear bigger moment of torsion, be easy to damage, and also can bring very big difficulty to the configuration of generator.
Therefore, the power of vertical axis aerogenerator is difficult to do greatly usually, accomplishes that MW class is very difficult, wants to improve power again, and difficulty is just bigger.On the other hand, different service conditions and user often require different power, remove to design and develop the high-power vertical shaft blower fan at different power requirementss, and not only development cost is big, and because diversified in specifications, manufacturing cost is also very high.For this reason, the vertical axis aerogenerator that manufactures and designs of modularization, seriation has very important science and economic implications.
Summary of the invention
The objective of the invention is to overcome the difficulty that manufactures and designs of high-power vertical shaft wind-driven generator, a kind of modularization vertical axis aerogenerator is provided, the wind-driven generator of one or more smaller powers of exploitation is called module again by utilizing in advance, just can obtain the superpower vertical axis aerogenerator of various power easily, greatly reduce design, the manufacturing cost of superpower vertical axis aerogenerator.
Another object of the present invention is to provide the design method of this modularization vertical axis aerogenerator.
To achieve these goals, technological scheme of the present invention is:
A kind of modularization vertical axis aerogenerator, comprise a king-post, on this king-post, be disposed with at least two vertical axis aerogenerator modules up and down, each described wind-driven generator module comprises a wind wheel module and the generator that is attached thereto, described wind wheel module comprises at least one supporting wheel and some blades, described blade vertically arranges, be connected with described king-post by described supporting wheel, wherein be connected described generator between at least one described supporting wheel and the king-post, the stator of described generator is fixed on the described king-post, and the rotor of described generator is connected with described supporting wheel.
In a wind wheel module, described supporting wheel is two or more, can between each supporting wheel and king-post, generator be set, also can only establish generator between a part of supporting wheel and the king-post therein, and link together by bearing between other supporting wheel and the king-post.
The described supporting wheel that connects described generator comprises some struts, the number of this strut is identical with described blade number, each described strut circumferentially is being fixed on the generator outboard rotor in uniform way, and described blade is fixedlyed connected with the outer end of described strut.
In a blower fan module, described supporting wheel is two or more, and the quantity of the described strut in each described supporting wheel equates; The described strut of in each supporting wheel each arranges at a horizontal plane, described strut in each supporting wheel aligns setting respectively in upper and lower layers, fixedly connected in the outer end of a described strut in each described blade and each described supporting wheel, the inner of described strut in each described supporting wheel circumferentially is being fixed on a wind wheel wheel hub or the described generator outboard rotor in uniform way, in all supporting wheels, described strut at least one described supporting wheel is fixed on the described generator outboard rotor, connects wind-driven generator.
Each described wind wheel module is same size, or specification wind wheel inequality.
The diameter of each described wind wheel module can be different, its arrangement regulation can for: in the diameter minimum of last described wind wheel module; Perhaps, the diameter of each described wind wheel module is identical.Also can be bigger at last wind wheel module diameter.Can also be, be maximum in last described wind wheel module, neither be minimum.
The diameter of each described wind wheel module not simultaneously, putting in order of each the described wind wheel module under the uppermost described wind wheel module can be arranged for the ascending order of, diameter, perhaps descending order is arranged, the perhaps irregular arrangement of diameter.
On described king-post, preferred stack arranges 2 or 3 described vertical axis aerogenerator modules.
The design method of described modularization vertical axis aerogenerator is:
At first making specification identical or different is the identical or different two or more described vertical axis aerogenerator module of generated output, then, with two or more vertical axis aerogenerator modules, be arranged on the king-post with being arranged in order up and down.
Several described vertical axis aerogenerator modules are made up by different modes, make the modularization vertical axis aerogenerator of the series of different capacity.
Concrete, by choosing number of modules, choosing the module of similar and different specification, obtain two or more described modules, selected some modules are being arranged above and below the modularization vertical axis aerogenerator of formation power demand.
Design concept of the present invention is to develop the vertical shaft fan of a small amount of several smaller powers in advance, as basic vertical axis aerogenerator module.As required it is superposeed in short transverse then, by the combining form difference, just can obtain the wind-driven generator of multiple power requirements, especially can be combined into extra heavy vertical shaft wind wind-driven generator.For example, develop two vertical axis aerogenerator basic modules of A megawatt and B megawatt in advance, make the vertical axis aerogenerator module of several A megawatts and B megawatt, the power of vertical axis aerogenerator module is that the low layer seat in the plane when constituting wind-driven generator multilayer stack just with single vertical axis aerogenerator module defines, the vertical axis aerogenerator module is stack upwards, seat in the plane of every rising, because the gradient of wind speed in short transverse distributes, its power will increase to some extent.For example, be the module of A or B megawatt when arranging the 1st layer of seat in the plane, as be installed in the 2nd layer of seat in the plane from bottom to top that then its power increases to A1=A+ Δ A respectively, B1=B+ Δ B; As be installed in the 3rd layer of seat in the plane from bottom to top, then its power is respectively A2=A+ Δ A1, B2=B+ Δ B1.As do two superimposed, then two modules of A, B go out A+B1, A+A1, B+A1, the serial vertical axis aerogenerator of four kinds of power of B+B1 with regard to capable of being combined.As did for 3 stacked adding, then can obtain the serial vertical axis aerogenerator machine of 8 kinds of power.Like this, though in fact only developed two kinds of vertical axis aerogenerators of A, B, in fact the stack by 2 layers or 3 layers is equivalent to develop 2+4+8=14 kind blower fan, therefrom can filter out effective vertical axis aerogenerator series easily.
The number of plies of general short transverse vertical axis aerogenerator module, be advisable below 3 layers or 3 layers with control, increasing the number of plies again and can increase the difficulty that king-post manufactures and designs, but under the prerequisite that king-post intensity can guarantee, also can adopt more multi-layered number, further improve space availability ratio.As a same reason, if develop 3 basic modules, then only use the 3 stacked vertical axis aerogenerators that just can obtain 3+9+27=39 kind different capacity that add, therefrom can screen the vertical axis aerogenerator series of setting up more refinement.The method of this modularization lamination, its tangible benefit is: only need a small amount of several modules are prepared frock and production, just can combinations produce go out the multiple vertical axis aerogenerator of seriation.
Consider from the stressed rationality of king-post, during lamination with larger-diameter wind wheel down, than the wind wheel of minor diameter relatively rationally.But it is because the energy of the wind comes from upper strata is big, from the angle of Wind Power Utilization, then more reasonable with the larger-diameter wind wheel of upper-layer configured.Must take all factors into consideration stressed rationality and Wind Power Utilization efficient when setting up blower fan series.Two kinds of stacked systems all can, prerequisite is that the king-post intensity of lower vertical axis wind power generator module position must be enough, and the design and manufacturing technology of king-post is very ripe.
Another benefit that adopts laminated structure to manufacture and design the high-power vertical shaft blower fan is: can increase the installation density in the wind field, improve the area utilization of wind field.For example, utilize a 2MW module and a 1MW module stack, can obtain the vertical axis aerogenerator of 3.2MW, its floor space in wind field is then determined by the rotor diameter of 2MW module, and the blower fan of a unit 3.2MW, make difficulty and cost even disregard, its floor space is also big more than the 2MW blower fan.
Modularization vertical axis aerogenerator provided by the invention, the custom thinking constraint of having shaken off a traditional wind wheel of a typhoon machine is for manufacturing and designing of high-power and superpower vertical axis aerogenerator provides a kind of new thinking.Each vertical axis aerogenerator module can independently be rotated, thereby can take full advantage of the wind resource of distribution gradient form on the short transverse.The present invention not only provides a kind of convenient way that manufactures and designs that can make high-power or superpower vertical axis aerogenerator, and because its modular feature, namely only need the production technology equipment of a small amount of basic vertical axis aerogenerator module, just can produce the high-power of a series of different size or superpower wind-driven generator, greatly reduce design and manufacture cost high-power or the superpower vertical axis aerogenerator, utilize the present invention, can bring up to several megawatts and even tens megawatts to the generated output of vertical axis aerogenerator easily, therefore, have good application prospects and market prospects.
Description of drawings
Fig. 1 is the structural representation of the vertical axis aerogenerator that is formed by stacking by basic vertical axis aerogenerator module provided by the invention.
Embodiment
As shown in Figure 1, a kind of modularization vertical axis aerogenerator comprises a king-post 8, on this king-post 8, is disposed with three vertical axis aerogenerator modules up and down, i.e. module 1, module 2 and module 3.Each described wind-driven generator module comprises a wind wheel module and two generators that are attached thereto, and the wind wheel module comprises a supporting wheel and some blades 4, and described blade 4 vertically arranges, and is connected with the rotor of described generator by described supporting wheel.
A supporting wheel comprises some struts, and the number of strut is identical with blade 4 numbers, and each described strut circumferentially is being fixed on the generator outboard rotor in uniform way, and described blade is fixedlyed connected with the outer end of described strut.Strut can be not on a horizontal plane.Preferred construction is, each strut in supporting wheel arranges at a horizontal plane, and comprises two or more supporting wheels in a wind wheel module.Between all supporting wheels and the king-post generator can be set all, also can connect generator on a part of supporting wheel, and between other supporting wheels and the king-post bearing is set.
In example as shown in Figure 1, in each module, described supporting wheel is two, and the quantity of the strut 5 in each described supporting wheel equates; The described strut 5 of in each supporting wheel each arranges at a horizontal plane, described strut in each supporting wheel aligns setting respectively in upper and lower layers, fixedly connected in the outer end 51 of a described strut 5 in each described blade 4 and each described supporting wheel, the inner of strut 5 in each described supporting wheel circumferentially is being fixed on the generator outboard rotor 7 in uniform way, and described generator outboard rotor 7 is set in to be located on the king-post forms generator on the corresponding generator unit stator.
Design method provided by the invention is, at first making specification identical or different is the identical and/or different two or more described vertical axis aerogenerator module of generated output, then, two or more are different or with a kind of wind-driven generator module of specification, utilize king-post overlapped in series on its short transverse, obtain high-power or the superpower vertical axis aerogenerator, namely by a king-post 8, the individual or more vertical axis aerogenerator module of 2-3 and a cover control system are formed the high-power vertical shaft wind-driven generator.In the example as Fig. 1, make the module of three kinds or more kinds of specifications as required, then, by choosing number of modules, choosing the module of similar and different specification, obtain two or more described modules, for example choose the module of three kinds of different sizes, module 1, module 2, module 3 are three wind wheel modules that diameter and length of blade upwards reduce gradually.Again selected some modules are arranged above and below, constitute the modularization vertical axis aerogenerator of power demand.For example, choose the module of three kinds of different sizes, according to the diameter difference, from top to bottom, be arranged on the king-post according to the ascending arrangement of diameter.Make the wind-driven generator of client's required power.
The vertical axis aerogenerator module of several same sizes also can be set at king-post 8, and each module is independent rotary electrification under wind-drive, and its rotating speed is irrelevant mutually, can successfully manage the gradient of wind-force on short transverse and distribute, and improves wind energy utilization.
High-power modular vertical axis aerogenerator provided by the invention, by a king-post, the blower fan module that two or more can independent rotating operation and a comprehensive control system are formed a complete system.One typhoon machine is made up of two or more wind wheels, and this has shaken off the custom thinking constraint of a traditional wind wheel of a typhoon machine, for manufacturing and designing of high-power and superpower vertical axis aerogenerator provides a kind of new method.
The vertical axis aerogenerator module of different seats in the plane can be the module with a kind of specification, also can be the module of different size.
From top to bottom, the diameter of described module can reduce gradually, as shown in Figure 1, also can be opposite, in order to take full advantage of the bigger wind energy resources of eminence, can adopt the bigger wind wheel module of diameter.Or irregular arranging.
Like this, by a small amount of several modules, just can form the series of high-power wind-driven generator by the present invention.The module that also can design a small amount of several specifications is some, by different combinations, produces generator in the wind of multiple power, satisfies various clients' demands such as multiple power aspect.
Each described vertical axis aerogenerator module can be to carry king-post, is being superimposed with, and king-post that each module connects is by flange or be welded together.
Upper end at king-post 8 can be provided with lightning conductor 9.
Claims (10)
1. modularization vertical axis aerogenerator, comprise a king-post, it is characterized in that: on this king-post, be disposed with at least two vertical axis aerogenerator modules up and down, each described wind-driven generator module comprises a wind wheel module and the generator that is attached thereto, described wind wheel module comprises at least one supporting wheel and some blades, described blade vertically arranges, be connected with described king-post by described supporting wheel, wherein be connected described generator between at least one described supporting wheel and the king-post, the stator of described generator is fixed on the described king-post, and the rotor of described generator is connected with described supporting wheel.
2. modularization vertical axis aerogenerator according to claim 1, it is characterized in that: in a described wind wheel module, described supporting wheel is two or more, between each described supporting wheel and king-post, generator is set, perhaps, only establish described generator between a part of described supporting wheel and the described king-post therein, and link together by bearing between other described supporting wheel and the described king-post.
3. modularization vertical axis aerogenerator according to claim 1 and 2, it is characterized in that: the described supporting wheel that connects described generator comprises some struts, the number of this strut is identical with described blade number, each described strut circumferentially is being fixed on the generator outboard rotor in uniform way, and described blade is fixedlyed connected with the outer end of described strut.
4. modularization vertical axis aerogenerator according to claim 2 is characterized in that: the quantity of the described strut in each described supporting wheel equates; The described strut of in each supporting wheel each arranges at a horizontal plane, described strut in each supporting wheel aligns setting respectively in upper and lower layers, fixedly connected in the outer end of a described strut in each described blade and each described supporting wheel, the inner of described strut in each described supporting wheel circumferentially is being fixed on a wind wheel wheel hub or the described generator outboard rotor in uniform way, described strut at least one described supporting wheel is fixed on the described generator outboard rotor, connects wind-driven generator.
5. modularization vertical axis aerogenerator according to claim 1 is characterized in that: the wind wheel that each described wind wheel module is same size, or specification wind wheel inequality.
6. according to claim 1 or 2 or 4 or 5 described modularization vertical axis aerogenerators, it is characterized in that: the diameter difference of each described wind wheel module; Perhaps,
The diameter of each described wind wheel module is identical; Perhaps,
The diameter difference of each described wind wheel module, its arrangement regulation is: in last wind wheel module diameter maximum; Perhaps, in the diameter minimum of last described wind wheel module; Perhaps, in the diameter of the last described wind wheel module module less than maximum diameter in all described modules, but greater than the module of minimum diameter, namely not maximum, neither be minimum.
7. modularization vertical axis aerogenerator according to claim 6, it is characterized in that: the diameter of each described wind wheel module is not simultaneously, each described wind wheel module under the uppermost described wind wheel module put in order for, the ascending order of diameter is arranged, perhaps descending order is arranged, the perhaps irregular arrangement of diameter.
8. modularization vertical axis aerogenerator according to claim 1, it is characterized in that: on described king-post, 2 or 3 described vertical axis aerogenerator modules superpose.
9. the design method of a modularization vertical axis aerogenerator is characterized in that:
At first making specification identical or different is the identical and/or different two or more described vertical axis aerogenerator module of generated output, then, with two or more vertical axis aerogenerator modules, be arranged on the king-post with being arranged in order up and down.
10. modularization vertical axis aerogenerator design method according to claim 9, it is characterized in that: by choosing number of modules, choosing the module of similar and different specification, obtain two or more described modules, again selected some modules are arranged above and below, constitute the modularization vertical axis aerogenerator of power demand.
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| CN2011100493768A CN102135070B (en) | 2011-03-01 | 2011-03-01 | Modularized vertical axis wind turbine and modular design method thereof |
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| CN102135070B true CN102135070B (en) | 2013-08-21 |
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| CN106150919A (en) * | 2016-08-29 | 2016-11-23 | 嘉兴国电通新能源科技有限公司 | A kind of twin shaft H type vertical shaft fan |
| CN113404641B (en) * | 2021-06-10 | 2023-02-21 | 国网河北省电力有限公司衡水供电分公司 | Building method of photovoltaic and wind power integrated power generation device |
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| CN101684778A (en) * | 2008-09-23 | 2010-03-31 | 李善昌 | Combined type vertical shaft wind turbine |
| CN101806284A (en) * | 2009-02-18 | 2010-08-18 | 张金锋 | Wind driven generator |
| JP2011027098A (en) * | 2009-06-25 | 2011-02-10 | Takayoshi Onodera | Autorotation blade-type vertical axis wind turbine |
| KR20110083476A (en) * | 2010-01-14 | 2011-07-20 | (주)노투스 | The vertical axis wind turbine using drag force and lift force simultaneouly |
| CN101915212B (en) * | 2010-07-29 | 2012-08-29 | 尹建国 | Automatic speed-adjusted modularized wind power generation system |
| CN201963486U (en) * | 2011-03-01 | 2011-09-07 | 国能风力发电有限公司 | Modularized vertical axis wind-driven generator |
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