CN101550904A - Shaftless vertical axis wind turbine - Google Patents

Shaftless vertical axis wind turbine Download PDF

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Publication number
CN101550904A
CN101550904A CNA2009100039000A CN200910003900A CN101550904A CN 101550904 A CN101550904 A CN 101550904A CN A2009100039000 A CNA2009100039000 A CN A2009100039000A CN 200910003900 A CN200910003900 A CN 200910003900A CN 101550904 A CN101550904 A CN 101550904A
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CN
China
Prior art keywords
rotor
wind turbine
hollow core
turbine according
nothing
Prior art date
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Pending
Application number
CNA2009100039000A
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Chinese (zh)
Inventor
胡应湘
胡文新
胡芝明
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Hopewell Wind Power Ltd
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Hopewell Wind Power Ltd
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Filing date
Publication date
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Publication of CN101550904A publication Critical patent/CN101550904A/en
Pending legal-status Critical Current

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    • 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
    • F03D3/062Rotors characterised by their construction elements
    • 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

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Wind Motors (AREA)

Abstract

A shaftless vertical axis wind turbine has a stationary hollow core with an inner circular wall and an outer circular wall with a space between the inner and outer walls. A rotor is rotatably supported in the hollow core and has a plurality of radially extending rotor arms, each having a wind-driven rotor blade at a distal end thereof.

Description

The vertical axis-type wind turbine that does not have axle
Technical field
The present invention relates to wind turbine, relate in particular to the wind turbine of perpendicular axis type.
Background technique
Along with the mankind, especially developing country is limited understanding to the continuous increase of energy demand and to traditional fossil fuel supply, and people are to renewable energy sources, such as the new mode and the improved procedure of the utilization of sunlight, wind, rain (water), morning and evening tides and underground heat etc., interest is more and more denseer.In decades, hydroelectric power (Hydro-electricity) become renewable energy sources main flow.Yet along with environmetal impact pay attention to day by day that stop-log weir plug water channel is caused and the potable water of recognizing cleaning are a kind of important resource, the approval of hydroelectric power (hydro-generation) plan decrescence.People's attention is transferred to gradually and is utilized the resource of wind-force as extensive generating in future.
Wind turbine can be categorized as horizontal shaft type or vertical axis-type wind turbine.Mean level shaft type wind turbine has a tower, is equipped with a large-scale fan shape blade around horizontal rotational shaft on the tower, and is similar to windmill.So far, maximum high approximately 40 floors of horizontal shaft type wind turbine, about 126 meters of blade diameter.Supply with utility network in order to produce enough electric power, horizontal shaft type wind turbine is set at large-scale wind power field, and this wind power plant has hundreds of and is distributed in the widely wind turbine in district.Though they can utilize renewable energy sources in a large number, these wind power plant floor spaces are big and be repugnant to the eye.
Traditional vertical axis-type wind turbine has vertically extending rotation central axis.The major advantage of vertical axis-type wind turbine is the bottom that electricity generating device and gearbox can be set at axle, near ground, need not support tower and goes to bear these weight.In addition, vertical axis-type wind turbine can receive the wind from any direction, do not need along vertical axis rotate or deflection with in the face of prevailing wind direction.Yet because of the wind-receiving face of vertical axis-type wind turbine is bigger, vertical shaft and wind wheel structure need bear huge side direction active force.Therefore, the scale of hitherto known vertical axis-type wind turbine is subjected to actual restriction.In addition, because of the rotor ring of vertical axis-type wind turbine rotates around vertical axis, move with the wind at the position with the wind, but corresponding diameter opposition position is then moved against the wind and must be disappeared to oncoming wind-force.
One of purpose of the present invention provides a kind of vertical axis-type wind turbine that does not have axle, makes the comparable known up to now wind turbine of scale of wind turbine higher, bigger, can utilize wind energy biglyyer.Another object of the present invention provides a kind of vertical axis-type wind turbine that overcomes or improved the known wind turbine shortcoming at least, or is at least the public one useful selection is provided.
Summary of the invention
According to the present invention, a kind of vertical axis-type wind turbine that does not have axle is provided, it comprises:
Fixing hollow core, this hollow core have inner circular wall and outside circular wall, leave the space between the inner and outer wall; With
Rotor, this rotor rotatably is supported in hollow core, and has a plurality of rotor arms that radially extend, and the far-end of each rotor arm has the rotor blade of wind-drive.
Preferably, described wind turbine further is provided with a plurality of vertical ribs formula backbones that are connected inner and outer wall in the space between interior walls and external wall.
Preferably, described wind turbine further has two or more, and is independent of separately described hollow core rotor rotated.
Preferably, each rotor is connected with electricity generating device with mechanical mode.
Preferably, each rotor all drives an electricity generating device.
Preferably, electricity generating device is the direct drive type wind generating device.
Preferably, described wind turbine further is equipped with the correspondence generating pitch of the laps group that lays respectively at hollow core and rotor, is used for generating electricity in described hollow core and rotor relative movement process, need not to use any machine driven system.
Preferably, described rotor rotatably is supported on the extended ledge of hollow core outer wall.
Preferably, the outer wall of described hollow core is a stepped shaft, in order to form described ledge.
Preferably, described rotor has one group of top roller or wheel, and rotatably support rotor reaches one group of bottom roller or wheel on ledge, and rotatably support rotor is in the outer wall of hollow core.
Preferably, described rotor further is equipped with second group of top roller or wheel, and rotatably support rotor is in the outer wall of hollow core.
Preferably, described ledge is equipped with aileron, have at least the upper wheel or second upper wheel wherein one group engage with aileron.
Preferably, the described rotor arm that radially extends is provided with and is-La (tie-stayed) trussmember.
Preferably, the described rotor arm that radially extends is tapered towards distal direction.
Preferably, the rotor blade of described wind-drive is the rotor blade of lift-type, and described rotor arm further is provided with the rotor blade of resistance type in the position of contiguous hollow core.
Preferably, described rotor has the rotating disc of a tubular, and this rotating disc rotatably is supported in hollow core, and has a plurality of rotor arms to stretch out away from rotating disc.
Preferably, described wind-drive rotor blade is the rotor blade of lift-type, and this rotor further is provided with the rotor blade of a plurality of resistance types in rotating disc.
Preferably, described wind turbine further comprises the pumped hydroelectric storage system.
Others of the present invention will become in description subsequently clearly, and these descriptions are example only, have no intent to limit the scope of use of the present invention or function.
Description of drawings
Now, only be described as an example with embodiments of the invention, and for referencial use with the accompanying drawing of enclosing, wherein:
Fig. 1 is the cross sectional elevation according to the multilayer wind turbine of the first embodiment of the present invention;
Fig. 2 is the cross-sectional plan view through the A-A line of Fig. 1;
Fig. 3 is the cross-sectional plan view through the B-B line of Fig. 1;
Fig. 4 is first embodiment's the rotor arm of wind turbine and the cross sectional elevation of blade;
Fig. 5 is the diagram that rotor is installed and electricity generating device is arranged of first embodiment's wind turbine;
Fig. 6 is the diagram of alternate embodiments of electricity generating device of first embodiment's wind turbine;
Fig. 7 is second diagram of arranging that the rotor of first embodiment's wind turbine is installed;
Fig. 8 is the 3rd diagram of arranging that the rotor of first embodiment's wind turbine is installed;
Fig. 9 is the cross sectional elevation according to second embodiment's with different rotor arm configuration of the present invention multilayer wind turbine;
Figure 10 is the cross-sectional plan view through the C-C line of Fig. 9;
Figure 11 is the cross-sectional plan view through the D-D line of Fig. 9;
Figure 12 is second embodiment's a pair of rotor arm of wind turbine and the cross sectional elevation of blade;
Figure 13 is the cross-sectional plan view through the top truss arm of second embodiment's wind turbine;
Figure 14 is the cross-sectional plan view through the bottom truss arm of second embodiment's wind turbine;
Figure 15 is the rotor installation dress layout diagram that is used at second embodiment's wind turbine;
Figure 16 is the enlarged view of the top roller combination of layout shown in Figure 15;
Figure 17 is the cross-sectional plan view on second embodiment's C-C line shown in Figure 15;
Figure 18 is the cross-sectional plan view on second embodiment's D-D line shown in Figure 15;
Figure 19 is the cross-sectional plan view at the multilayer wind turbine rotor top of a third embodiment in accordance with the invention, and this wind turbine has the rotor arm of different designs and is provided with a plurality of resistance type rotor blades at rotor rotating disc circumference; And
Figure 20 is the embodiment's of Figure 19 the cross-sectional plan view of rotor bottom.
Embodiment
Now the present invention is described with the no axle perpendicular axis type multilayer wind turbine of large-scale (that is high constructure scale).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 according to wind turbine of the present invention, and the pedestal place of its covering can reach between 250 to 350 meters of diameter or the width, and its vertical height reaches between 300 to 500 meters or be 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.Owing to can reach 350 meters wide, the area that described wind turbine rotor is inswept is very big.Owing to can reach 500 meters or higher height, this means that wind turbine will be exposed in the wind of high wind speed more.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 equipment of preferred embodiment is " multilayer " formula, has a plurality of independently turbines to depend on a shared vertical cylinder shape supporting structure, vertically stacks.Each turbine has rotor separately respectively, is connected with the electricity generating device of itself, or that directly drive or transmission or other transmitting set.The vertically-supplying air turbine may extend to the height of hundreds of rice, and therefore, its suffered at various height wind direction can be different with wind speed.Each turbine can rotate freely with the electricity generating device that is arranged on different heights independently in response to different wind-engaging situations.Yet this is optional for purposes of the invention, and wind turbine can have only a rotor.
Wind turbine according to the present invention is not have axle.In presents, " not having axle " is meant that each rotor of wind turbine all is structures that rotate freely.Do not give electricity generating device with the axle of rotor coaxial line with transfer of torque, this is different from traditional rotary electric machine and known perpendicular axis type and horizontal shaft type wind turbine.
First preferred embodiment
Fig. 1-5 has described the vertical multiple layer wind turbine 1 of no axle according to the first embodiment of the present invention.Though scale is not crucial for purposes of the invention, the diameter of described turbine has 350 meters and highly reach 500 meters.Wind turbine 1 has three basic functions partly: vertical supporting structure, have one at least by wind-drive and invest the rotor of described supporting structure and by the electricity generating device of rotor driven.In a preferred embodiment, a plurality of independent rotor rotated are arranged, vertically stack, one is positioned on another.Each rotor is connected with electricity generating device with the corresponding transmission device that is arranged on vertical support structure.
Vertical supporting structure comprises the vertical extent cylindrical tower of the hollow core that constitutes wind turbine 1.The diameter of this tower generally is 15% to 40% of a whole wind turbine diameter.In a preferred embodiment, the diameter of core tower is 25% of a wind turbine diameter.Because of the wind turbine diameter has 300 meters, the diameter of core tower is 75 meters.The core tower extends to the whole height of wind turbine, and one or flat or roof (illustrating) that tilt or arch can be built in the top.Described core tower is made up by two concentric circular walls 5,6 and forms, and is spaces 7 between two walls.A plurality of rib formula backbones 8 separate setting by circumference in space 7, vertically extend and connect inside and outside wall 5,6.Vertical rib formula key 8 becomes a plurality of unit to the separated by spaces between wall.In a preferred embodiment, between the inside and outside tower wall 5,6 apart from approximate number rice, in the space 7 between wall, have enough spaces that elevator shaft 9, stair case 10 are set and machine room be set with the device power generating equipment with each rotor corresponding horizontal.Zone in the interior walls 6 of described core tower, normally hollow causes a big central space 11 in described structure.Described core tower makes up with reinforced concrete, and can adopt known constructing technology to build.The cylindrical shape double-walled construction of core tower makes the intensity of core tower can bear the big side direction active force that is produced by wind.
Each of wind turbine layer all is equipped with a rotor 19,20,21,22 that invests the core tower and can rotate freely.The rotor of each layer can be big or small identical, also can be different.Each rotor 19,20,21,22 all contains a tubular rotary disk structure 23 that abundant frame supports arranged, and rotatably is supported in the core tower.A plurality of systems-pull-type (tie-stayed) truss arm 26 radially extends from the bottom 232 of rotating disc 23.Extend to radially tie member 27 tractives of truss arm 26 far-ends from the top 231 of rotating disc 23 and radially truss arm 26.The lift-type blade 28 of aerofoil profile is positioned at each radially far-end of truss arm 26.Blade 28 device is on an assistant support 24, and this assistant support is connected with truss 26 radially pivotly at hinge 25 places.Blade 28 can pivot at knuckle joint 25, and initiatively the angle (marking with arrow E in Fig. 2) of adjustment blade wind-engaging can more effectively be rotated wind turbine under the landscape condition of vast scope.In a preferred embodiment, each rotor has three isolated symmetrically truss radial arms 26 and blade 28, yet this statement has no intent to limit the scope of use of the present invention or function.It should be appreciated by those skilled in the art, 2,4,5,6 or more a plurality of blade can be used, but power and efficient have change in various degree.
With reference to Fig. 5, the outer wall of core tower all is stairstepping the height level of every layer of rotor 19,20,21,22, has formed the ledge (ledge) 30 around core tower periphery.Each rotor rotatably is supported on each ledge 30 of core tower periphery.The external margin of each ledge 30 has aileron 35.The hook-shaped frame part 233 that rotor extends inwardly is positioned at the top of ledge 30.One group of wheel or roller 31 along framework inwardly the internal edge circumference of extension 233 be provided with, and flatly move at the circular track 351 of aileron 35 inner surfaces.Second group of wheel or roller 32 be at the downside of framework relevant portion 233, along the circumference setting of its internal edge, and operation vertically on second circular track 352 of aileron 35 uper side surfaces.The periphery that upper wheel or roller combination 31,32 relies on the concrete core towers provides vertical and support transverse horizontal for rotor.In the interior week of rotating disc 23 bottoms 232, a plurality of thrust rollers 33 also are set.This thrust roller 33 is along 353 operations of core tower outer wall 5 circular tracks, and the periphery of dependence core tower provides horizontal support for the bottom of rotor.So the frame roof of each rotor vertically hangs on ledge 30, by the cooperation of upper wheel and roller 31,32 and thrust roller 33, for rotor provides vertical and support transverse horizontal.The interaction of wind and rotor arm far-end airfoil fan makes rotor center on the rotation of core tower.
The motion of rotor by being arranged at the transmission device of thrust roller 33 vicinities, is mechanically rotated the electricity generating device 40 at the core tower.A pair of gear 42,43 can be rotatably set in the opening of core tower outer wall.Be arranged on thrust roller 33 belows than small gear 42 joints, the ring gears 44 in week in the annular component 232 of rotating disc 23 bottoms.Along with the motion of rotor, ring gear 44 rotates than small gear 42.Be fixed in than gearwheel 43 than small gear 42, engage electricity generating device gear 41 rotating generators 40 than gearwheel 43.
Alternative electricity generating device is arranged
The electricity generating device 40 of mechanical force rotation is optional for purposes of the invention.Transmission system that any kind is suitable and/or the power generation system that is known in the art all can be used to the transformation of energy of rotor rotation is become electric power.For example, can adopt (gearless) formula of directly the driving electricity generating device that need not to use any mechanical transmission.The electricity generating device of directly driving type has one a group of stator and a group rotor.Wherein one group is equipped with electromagnetism pitch of the laps group, during as if the employing permanent magnet, is equipped with permanent magnet and its support.Another group is equipped with conduction pitch of the laps group.By the relative movement of rotor and stator, when rotor passes through or pass through stator, produce electric power.Fig. 6 shows such directly driving type electricity generating device, and wherein, the field pole 61 of permanent magnet is connected to the top edge of the part 233 of extending of rotor rotating disc 23 inwardly, and its stator pitch of the laps group 60 is fixed on outer wall 5.
Alternative rotor supports is arranged
Fig. 7 shows second layout that rotor is installed in core tower ledge 30.Ledge 30 is equipped with the aileron 29 of chamfering at its external margin.Horizontal stable wheel 311 is chamfered running on the track 354 on aileron 29 surfaces being arranged at, for rotor rotated provides horizontal stability.Fig. 8 shows another embodiment again: the outer wall of core tower is the cylindrical shape that does not have step; Rotor is installed on the sleeper beam type roller track beam 34 of core tower periphery setting.
Second preferred embodiment that contains another available layout of rotor arm
Fig. 9-14 has described the wind turbine according to second preferred embodiment of the present invention, and it has another alternative rotor arm and arranges.In this embodiment, rotor blade is supported in rotating disc by 4 truss arms 461,462,261,262 that radially extend.The top of blade 28 is supported by the isolated truss arm 461,462 of first pair of level of radially extending from the top 231 of rotor rotating disc 23.The truss arm 261,262 that the bottom of blade 28 is opened by corresponding second pair of horizontal interval of radially extending from the bottom 232 of rotor rotating disc 23 supports.Last group and down the truss arm of group to 461,462,261,262 between, the diagonal angle be-lead arm 48 from last group radially the inner of truss arm 461,462 extend to down and organize the radially far-end of truss arm 261,262.The guiding boom 461,261 of every pair of truss arm also can in horizontal plane, be-lead the rotating disc 23 to rotor, to increase stability by tie rod (stay) 481.
Figure 15 and 16 shows the another kind layout of rotor in core tower ledge 30 is installed.This layout can be used in the wind turbine of second preferred embodiment.Ledge does not have aileron 35.Upper lateral is stablized wheel 31 and is placed in operation on the track 351, and track 351 is arranged at the surface of core tower exterior periphery.Figure 17 and 18 is plane views of this layout.
Figure 19 and 20 has shown another alternative design of rotor arm, wherein, described arm from rotating disc 23 towards rotor blade 28 be tapered (formation taper).Described being tapered provides higher intensity to rotor arm, with opposing deflection and bending along horizontal direction during the rotor rotation.
In addition, inventor's imagination, in order to lower rotor arm resistance through air when mobile, in this and other embodiment, rotor arm can be placed in the shell of aerodynamic shape.
Contain the 3rd preferred embodiment that the blade combination is arranged
A shortcoming of lift vertical shaft line wind turbine is that the resistance opposite with sense of rotation (negative power) arranged when the blade 28 of rotor rotates in wind.Rotor is when starting, and the surperficial Rolling that needs sufficiently high wind speed to blow over blade can produce and start the required aerodynamic force of rotor.In order to overcome above-mentioned difficulties, in another embodiment of the present invention, be equipped with the blade of tortuosity in contiguous rotating disc 23 positions, form knockdown wind turbine.Fig. 9-14 has shown this combination type windwheel in the preferred embodiment.Curved vane are set at the upper and lower truss between (461,462), (261,261).Blade 45 can be operated in wind as the resistance type rotor blade, helps to start the rotation of rotor.Along with the increase of spinner velocity, the aerodynamic force that produces on airfoil fan 28 also increases, and the rotatory force of rotor is given in contribution.When normal spinner velocity, main rotating force comes from airfoil fan 28.
Although the embodiment shown in Fig. 9-14 all have the radially truss arm of upper and lower between the blade 45 of 3 bendings, this is dispensable for purposes of the invention.As long as can be enough to begin rotary rotor at the wind speed of expectation, can select to be arranged at the quantity and the size of rotating disc 23 circumference curved vane 45 arbitrarily.
Figure 19 and 20 has shown another alternative blade combination layout, and wherein, a plurality of blades 45 are arranged at the rotating disc 23 of rotor, are independent of rotor arm.Compare with the embodiment described in Fig. 9-14, the quantity of blade 45 is more, thereby can be more tiny.Higher in speed, when rotor was mainly operated by the lift that acts on outer leafs 28, the resistance that blade 45 causes can be less.
Pumped storage
Fig. 1 also shows one according to the important of wind turbine of the present invention but dispensable feature.Because of the height and the scale of wind turbine, in the core tower, it is feasible storing a large amount of water at very high height.A large amount of water can be stored in the space, top 7 between the inner and outer wall of core tower, and does not need very large extra reinforcing is carried out on the top of tower.Similarly, storing a large amount of water at described tower in than the space 11 at the center of lower curtate does not need described tower is carried out very large extra reinforcing yet.These water can move between wet pit top and the bottom by being arranged on pipeline in the space between wall or on the inwall internal surface.Need supply with electrical network or local power consumption for a long time when the situation of wind makes the electricity ratio of generation, the wet pit of water from the bottom is extracted into the wet pit on top by electric pump.During or peak in load opposite, or when wind hour, water is drained back to the wet pit of bottom from the wet pit on top through the hydroelectric installation that is used for replenishing wind-power electricity generation when condition.Though pumped storage is known in the prior art, owing to be subjected to the restriction of volume and intensity and single tower wind-power electricity generation capacity of wind turbine tower, it is impossible that pumped storage is bonded in the wind generating unit up to now.By very firm high and big tower is set and by device large-sized multiple layer rotor so that the big generate output of Dan Tayou, Plutarch according to the present invention has been obeyed these problems.
In above-mentioned description, integral body or parts with known homologue are quoted, so these homologues as herein separately proposition be included among the present invention.
Although described embodiments of the invention, however, it is to be understood that under the situation of the scope that does not deviate from essence of the present invention or appended claims, can change, improve or revise.

Claims (18)

  1. One kind do not have the axle vertical axis-type wind turbine, it comprises:
    Fixing hollow core, this hollow core have inner circular wall and outside circular wall, leave the space between the inner and outer wall; With
    Rotor, this rotor rotatably is supported in hollow core, and has a plurality of rotor arms that radially extend, and the far-end of each rotor arm has the rotor blade of wind-drive.
  2. 2. nothing axle wind turbine according to claim 1 in the space between interior walls and external wall, further is provided with the vertical ribs formula backbone of a plurality of connection inwalls and outer wall.
  3. 3. nothing according to claim 1 axle wind turbine further has two or morely, and independent of separately the hollow core rotor rotated, one is positioned on another.
  4. 4. nothing axle wind turbine according to claim 3, wherein each rotor is connected with electricity generating device with mechanical mode.
  5. 5. nothing axle wind turbine according to claim 1, wherein each rotor all drives an electricity generating device.
  6. 6. according to each described nothing axle wind turbine in the claim 3 to 5, wherein said electricity generating device is the direct drive type wind generating device.
  7. 7. nothing axle wind turbine according to claim 1 further has the corresponding power coil group of hollow core of laying respectively at and rotor, is used for generating electricity in described hollow core and rotor relative movement process, need not to use any machine driven system.
  8. 8. nothing axle wind turbine according to claim 1, wherein said rotor rotatably is supported on the extended ledge of hollow core outer wall.
  9. 9. nothing axle wind turbine according to claim 8, wherein said hollow core outer wall is a stepped shaft, in order to form described ledge.
  10. 10. nothing axle wind turbine according to claim 8, wherein said rotor has one group of top roller or wheel, and rotatably support rotor reaches one group of bottom roller or wheel on ledge, and rotatably support rotor is in the outer wall of hollow core.
  11. 11. nothing axle wind turbine according to claim 10, wherein said rotor further has second group of top roller or wheel, and rotatably support rotor is in the outer wall of hollow core.
  12. 12. nothing according to claim 11 axle wind turbine, wherein said ledge be provided with aileron and have upper wheel at least or second upper wheel wherein one group engage with aileron.
  13. 13. nothing axle wind turbine according to claim 1, the wherein said rotor arm that radially extends is provided with and is-the La trussmember.
  14. 14. nothing axle wind turbine according to claim 1, the wherein said rotor arm that radially extends is tapered towards distal direction.
  15. 15. nothing axle wind turbine according to claim 1, the rotor blade of wherein said wind-drive is the rotor blade of lift-type, and its rotor arm further is provided with the rotor blade of resistance type in the position of contiguous described hollow core.
  16. 16. nothing axle wind turbine according to claim 1, its rotor has the rotating disc of a tubular, and this rotating disc rotatably is supported in hollow core and has a plurality of rotor arms to stretch out from described rotating disc.
  17. 17. nothing axle wind turbine according to claim 16, wherein said wind-drive rotor blade is the rotor blade of lift-type, and its rotor further is provided with the rotor blade of a plurality of resistance types in rotating disc.
  18. 18. nothing axle wind turbine according to claim 1 further comprises the pumped hydroelectric storage system.
CNA2009100039000A 2008-02-29 2009-02-12 Shaftless vertical axis wind turbine Pending CN101550904A (en)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
HK08102329.0A HK1121911A2 (en) 2008-02-29 2008-02-29 Shaftless vertical axis wind cage turbine
HK08102329.0 2008-02-29
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
CN101550904A true CN101550904A (en) 2009-10-07

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Family Applications (3)

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

Family Applications After (2)

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

Country Status (3)

Country Link
CN (3) CN101550904A (en)
HK (1) HK1121911A2 (en)
WO (1) WO2009106922A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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CN104632528A (en) * 2013-11-06 2015-05-20 毕献奎 Wind driven generator
CN104632529A (en) * 2013-11-06 2015-05-20 毕献奎 Vertical axis efficient hollow-core megawatt wind driven generator and generator set
CN107013411A (en) * 2017-05-26 2017-08-04 王伟民 String type vertical shaft wind power generating machine

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WO2011097800A1 (en) * 2010-02-10 2011-08-18 Bi Lei Blade system for capturing wind power
CN104632528A (en) * 2013-11-06 2015-05-20 毕献奎 Wind driven generator
CN104632529A (en) * 2013-11-06 2015-05-20 毕献奎 Vertical axis efficient hollow-core megawatt wind driven generator and generator set
CN107013411A (en) * 2017-05-26 2017-08-04 王伟民 String type vertical shaft wind power generating machine

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CN101539097A (en) 2009-09-23
CN101550901A (en) 2009-10-07
WO2009106922A1 (en) 2009-09-03

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Application publication date: 20091007