WO2009127106A1 - Pale d'éolienne dont l'ailette principale peut changer d'angle de rotation en fonction du sens du vent et éolienne correspondante - Google Patents

Pale d'éolienne dont l'ailette principale peut changer d'angle de rotation en fonction du sens du vent et éolienne correspondante Download PDF

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Publication number
WO2009127106A1
WO2009127106A1 PCT/CN2008/072268 CN2008072268W WO2009127106A1 WO 2009127106 A1 WO2009127106 A1 WO 2009127106A1 CN 2008072268 W CN2008072268 W CN 2008072268W WO 2009127106 A1 WO2009127106 A1 WO 2009127106A1
Authority
WO
WIPO (PCT)
Prior art keywords
windmill
main wing
flow guiding
guiding portion
bearing
Prior art date
Application number
PCT/CN2008/072268
Other languages
English (en)
Chinese (zh)
Inventor
杨臣机
Original Assignee
王誉燕
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
Application filed by 王誉燕 filed Critical 王誉燕
Publication of WO2009127106A1 publication Critical patent/WO2009127106A1/fr

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • F03D3/066—Rotors characterised by their construction elements the wind engaging parts being movable relative to the rotor
    • F03D3/067—Cyclic movements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
    • 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

Definitions

  • the present invention relates to a windmill blade of a vertical axis windmill and a corresponding windmill; more particularly, the present invention relates to a windmill blade with a main wing varying angle with the wind direction and a corresponding windmill. Background technique
  • FIG. 02824920. 8 discloses a wind power generator comprising a main vertical shaft that is rotatable, a rotor that fixes the upper end of the vertical shaft, and a plurality of wind receiving blades, each of the wind receiving blades including an external wind receiving portion and an inner mounting bracket And disposed on the rotor at equal intervals around the rotor.
  • many of the wind receiving blades have good flexibility, and even when the breeze is used, the force can be applied to the vertical axis by the principle of leverage.
  • Chinese Patent No. 200620078609. 1 discloses a vertical axis windmill movable blade which includes a blade body and a support shaft. Wherein, the cross-section of the blade body is streamlined, and the two support shafts located on the same vertical axis are respectively disposed at the bottom and the upper portion of the blade body.
  • Chinese patent application 90106386. X discloses a vertical-axis rolling-wing windmill.
  • the rotating frame of the windmill is equipped with a rolling blade controlled by a central wheel.
  • the rolling wing Under the wind blowing, the rolling wing not only rotates around the main axis, but also rotates under the control of the central wheel, so that the angle of action of the blade and the wind is more reasonable. Increased wind energy utilization efficiency.
  • the center wheel is directly driven by the wind vane, so that the angle of the rolling wing is always adapted to the wind direction, so that the wind turbine can rotate under the wind blowing in any direction.
  • the windmill can also speed up or stop rotating in a strong wind to stabilize the windmill.
  • Chinese patent 200580010262. 5 discloses a vertical with excellent startability and high torque coefficient.
  • the wind receiving plate has a wind receiving surface and an openable and closable fulcrum, and the centrifugal force generated corresponding to the rotational speed of the blade generating the lift force acts on the closing direction; the force applying device and the wind receiving plate apply a developing force to the wind receiving side.
  • the rotation speed of the blade is low, the wind plate is deployed to work as a resistance type windmill, so that the startability of the lift type windmill is improved, and when the rotation speed of the blade is high, the wind plate is automatically closed, and it can be operated as a lift type windmill.
  • Chinese Patent No. 200580017156. X also discloses a vertical axis windmill provided with a slit portion on the lower surface of the blade airfoil of the vertical axis windmill, and has a convex outward direction from the maximum slit depth position of the slit portion toward the trailing edge side of the blade.
  • the boundary layer is reattached to the part. It is characterized in that it can rotate at a high speed after the start of rotation while maintaining the self-starting property of the wind turbine, and the output coefficient is good.
  • FIG. 200720023978. 5 discloses a blade for a vertical axis windmill or a wind power generator, the blade comprising an inner hollow blade wall having a fish-shaped cross section, and a side of the fish wall portion of the blade wall leading to the hollow cavity The opening.
  • the opening part is windward and has a resistance type. After half a rotation, it rotates to the windward side, and the head winds up. It is a lift type, and has the advantages of both lift type and resistance type.
  • the vertical axis windmill blade is an integrally formed fixed wing blade composed of a main wing and a flow guiding portion.
  • the problem with such a blade is that when the fixed-wing blade faces the lateral wind, the wind energy cannot be fully utilized to increase the wind that drives the wind turbine to rotate, and the efficiency of the wind power generation cannot be improved.
  • a windmill for a vertical axis windmill a blade the wind turbine blade includes a main wing and a flow guiding portion, wherein, relative to the flow guiding portion, the main wing can reciprocally rotate a certain angle with the wind direction, and the main wing is adjacent to both sides of the flow guiding portion, and passes through the guiding portion The mating on both sides achieves a stop.
  • the above wind turbine blade of the present invention it further includes a connecting member that connects the main wing and the flow guiding portion.
  • a connecting member that connects the main wing and the flow guiding portion.
  • the connector can be replaced by other structural components on the vertical axis, but it can achieve the same function of the connector of the present invention.
  • the connecting member realizes its connection with the main wing on the one hand, and on the other hand, the connecting member simultaneously realizes its connection with the flow guiding portion.
  • the connection between the main wing and the flow guiding portion is achieved.
  • a hinge shaft fixing hole may be provided at the upper and lower ends of the main wing, and a bearing may be provided on the connecting member, and one end of the hinge shaft is engaged with the bearing, and the other end of the hinge shaft is fixedly coupled with the fixing shaft fixing hole.
  • a bearing can be respectively disposed at the upper and lower ends of the main wing, and a hinge fixing hole is provided on the connecting member, and one end of the hinge shaft is matched with the bearing, and the other end of the hinge shaft is fixedly coupled with the fixing hole of the hinge shaft.
  • bearings may be provided at the upper and lower ends of the main wing, and bearings may be provided on the connecting members, and the ends of the hinge shaft may be fitted with the bearings.
  • the rotatably connected connection between the connector and the main wing can be achieved using a variety of known configurations in the prior art.
  • the connecting member and the flow guiding portion are fixedly coupled.
  • This type of fixed connection is also various, for example, a fixed connection can be achieved by the cooperation of the pin and the pin hole.
  • the present aspect also provides a vertical axis windmill using the above-described windmill blades.
  • the vertical axis windmill may be a magnetic suspension vertical axis windmill comprising a windmill body and a generator, the windmill body being mounted on the load bearing flange of the generator; the generator including the casing, the vertical shaft, the bearing, and the radial direction a magnetic rotor, a radial stator core and a winding, the casing includes upper and lower support plates arranged up and down, and a coaming plate between the upper and lower support plates, and the vertical shaft is pivotally connected to the upper and lower support plates by bearings
  • the radial permanent magnet rotor comprises a magnetic conductive steel cylinder and a magnetic steel, and the radial stator core is fixedly coupled with the casing, the radial permanent magnet rotor is located in the radial stator core and the winding, and the magnetic steel is fixed on the magnetic conductive steel cylinder.
  • the magnetic conductive steel cylinder is fixedly coupled with the vertical shaft.
  • the magnetic levitation vertical axis windmill is further provided with
  • a specific magnetic levitation device may comprise a bottom case, a permanent magnet and a magnetic chuck disposed outside the generator, wherein the bottom case comprises a bottom plate and a circumferential plate, and the upper end of the circumferential plate is fixedly coupled with the lower support plate, and the circumference The lower end of the plate is fixedly coupled to the bottom plate; the vertical shaft protrudes from the bottom case and is pivotally connected to the bottom plate of the bottom case; the permanent magnet is fixed on the vertical axis in the bottom case, and the magnetic chuck is fixed on the lower support plate in the bottom case Upper, or, the permanent magnet is fixed on the lower support plate in the bottom case, and the magnetic chuck is fixed on the vertical axis in the bottom case.
  • the main wing can be reciprocally rotated by a certain angle with respect to the flow guiding portion, and the main wing and the flow guiding portion are adjacent to each other and are engaged with the both sides of the flow guiding portion. Due to the adoption of such a structure, when either side of the main wing of the blade is facing the wind, the main wing rotates with the wind relative to the flow guiding portion, thereby increasing the amount of wind in the main wing and the deflecting portion, and effectively utilizing the wind , push the wind wheel to rotate. It can effectively overcome the shortcomings of the main wing that cannot be rotated, and can not fully utilize the wind energy, so as to achieve sufficient Use wind energy to increase the efficiency of wind power generation.
  • FIG. 1 is a longitudinal cross-sectional view of a blade according to an embodiment of the present invention.
  • Fig. 2 is a cross-sectional view showing the relative positional relationship between the main wing and the flow guiding portion when the main wing is facing the wind in the present invention.
  • Fig. 3 is a cross-sectional view showing the relative positional relationship between the main wing and the flow guiding portion when the deflector is in the wind or leeward in the present invention.
  • Fig. 4 is a cross-sectional view showing the relative positional relationship between the main wing and the flow guiding portion when the other side of the main wing is in the wind in the present invention.
  • Fig. 5 is a view showing a state change of the relative positional relationship between the main wing and the flow guiding portion during the operation of the blade of the present invention.
  • Figure 6 is a longitudinal cross-sectional view of a blade in accordance with another embodiment of the present invention.
  • Figure 7 is a longitudinal cross-sectional view of a blade in accordance with still another embodiment of the present invention.
  • Figure 8 is a cross-sectional view of a magnetically suspended vertical axis windmill employing the windmill blade of the present invention. detailed description
  • Figure 1 is a longitudinal sectional view of a wind turbine blade with a main wing varying with a wind direction, comprising a main wing 2 and a flow guiding portion 3, further comprising a connecting member 1 , the connecting member 1 being pivotally connected to the main wing 2, the connecting member 1 It is fixedly coupled to the flow guiding portion 3.
  • the connecting member 1 is fixedly coupled with the windmill body, and the connecting member 1 has The pin 11 and the two ends of the flow guiding portion 3 have pin holes (not shown), and the pin 11 is inserted into the pin hole to fix the connecting member 1 and the flow guiding portion 3 together.
  • FIG. 2 and 4 are cross-sectional views showing the relative positional relationship between the main wing 2 and the flow guiding portion 3 when the two sides of the main wing 2 are respectively in the wind, and the main wing 2 and the adjacent end of the flow guiding portion 3 are matched with the two sides of the guiding portion 3. And to achieve the stop.
  • Fig. 2 one side of the main wing 2 is fitted to the side of the flow guiding portion 3, and the other side of the main wing 2 in Fig. 4 is engaged with the other side of the flow guiding portion 3.
  • Fig. 3 is a view showing the relative positional relationship between the main wing and the guide portion in the state in which the main wing 2 is not affected by the lateral wind.
  • the blade of the present invention further includes a hinge shaft 4, the upper and lower ends of the main wing 2 respectively have a hinge shaft fixing hole 7, and the connecting member 1 has a hinge shaft hole 6, and one end of the hinge shaft 4 cooperates with the bearing 5 of the hinge shaft hole 6, and the hinge The other end of the shaft 4 is fixedly coupled to the hinge fixing hole 7.
  • the present invention operates in a wind wheel.
  • the main wing 2 In the C1 position, the main wing 2 is in a state that is not affected by the lateral wind; in the C2 position, the main wing 2 is in a side wind state, and the flow guiding portion One side is engaged with the main wing 2 - side stop position; in the C3 position, the main wing 2 is in a state unaffected by the lateral wind; in the C4 position, the main wing 2 is on the other side subject to the crosswind state, the other side of the flow guiding portion The stop is engaged with the other side of the main wing 2. As the wind wheel rotates, the main wing 2 reciprocates relative to the flow guiding portion 3.
  • FIG. 6 shows another embodiment of the present invention, wherein the upper and lower ends of the main wing 2 are respectively provided with a hinge hole 6 , and the connecting member 1 is provided with a hinge fixing hole 7 , and one end of the hinge shaft 4 is mounted on the hinge The bearing 5 in the shaft hole 6 is fitted, and the other end of the hinge shaft 4 is fixedly coupled with the hinge shaft fixing hole 7.
  • Example 3
  • FIG. 7 shows still another embodiment of the present invention, wherein the upper and lower ends of the main wing 2 are respectively provided with a hinge hole 6 in which the hinge hole 6 is mounted; and the connecting member 1 is also provided with a hinge hole 6
  • the bearing 5 is mounted in the hinge hole 6. Both ends of the hinge shaft 4 are matched with the bearing; the connecting member is fixedly coupled with the flow guiding portion.
  • Fig. 8 is a view showing a magnetic levitation vertical axis wind turbine using the wind turbine blade of one of the above embodiments 1-3, which comprises a windmill body (not shown) and a generator.
  • the generator includes a casing 21, a vertical shaft 22, a bearing 23, a permanent magnet rotor, a disk stator core 27, and a winding.
  • the casing 21 is composed of upper and lower support plates 211 and 212 disposed above and below, and a surrounding plate 213 between the upper and lower support plates 211 and 212.
  • the permanent magnet rotor is composed of a magnetic conductive steel disk 24 and a magnetic steel 25.
  • the magnetic conductive steel disk 24 is fixed on the vertical shaft 22; the casing 21 is mounted on the support seat 215 of the windmill pole, and the vertical shaft 22 is pivotally connected to the upper and lower support plates 211, 212 through the bearing 23; 27 is installed in the casing 21, the upper end of the disc stator core 27 is fixed on the upper support plate 211, and further comprises a magnetic conductive steel disc 24, the magnetic conductive steel disc 24 is fixedly coupled with the vertical shaft 22, and the magnetic conductive steel disc 24 A magnetic steel 25 is fixed thereon, and the magnetic steel 25 corresponds to the lower end of the disc stator core 27, and a gap exists between the magnetic steel 25 of the permanent magnet rotor and the lower end surface of the disc stator core 27.
  • a load bearing flange 214 is fixed to the upper end of the vertical shaft 22, and the windmill body is mounted on the bearing flange 214.
  • the casing 21 is mounted on a support base 215.

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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

La présente invention concerne une pale d'éolienne pour une éolienne à axe vertical, laquelle pale comprend une ailette principale (2) et un élément (3) de guidage du flux. L'ailette principale (2) peut tourner en va-et-vient à un certain angle par rapport à l'élément (3) de guidage du flux selon le sens du vent. L'ailette principale (2) est adjacente aux deux côtés de l'élément (3) de guidage de flux et elle est arrêtée par coopération avec les deux côtés dudit élément (3) de guidage du flux.
PCT/CN2008/072268 2008-04-14 2008-09-04 Pale d'éolienne dont l'ailette principale peut changer d'angle de rotation en fonction du sens du vent et éolienne correspondante WO2009127106A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810027421.8 2008-04-14
CNA2008100274218A CN101260863A (zh) 2008-04-14 2008-04-14 一种主翼随风向变动转角的风车叶片

Publications (1)

Publication Number Publication Date
WO2009127106A1 true WO2009127106A1 (fr) 2009-10-22

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PCT/CN2008/072268 WO2009127106A1 (fr) 2008-04-14 2008-09-04 Pale d'éolienne dont l'ailette principale peut changer d'angle de rotation en fonction du sens du vent et éolienne correspondante

Country Status (2)

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CN (1) CN101260863A (fr)
WO (1) WO2009127106A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103233856A (zh) * 2013-04-07 2013-08-07 哈尔滨工程大学 一种变桨距垂直轴风力机
EP3059443A4 (fr) * 2013-10-18 2017-06-28 Toshimitsu Yamazawa Dispositif de génération d'énergie éolienne

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2040168U (zh) * 1988-06-27 1989-06-28 王涧峰 竖直轴可调翼型风力机
EP1273798A1 (fr) * 2001-07-02 2003-01-08 Buis, Gerrit Pieter Eolienne à axe vertical
US6688842B2 (en) * 2002-06-24 2004-02-10 Bruce E. Boatner Vertical axis wind engine
JP2006037936A (ja) * 2004-07-23 2006-02-09 Baba Shizuko 表裏両面で回転エネルギーを得る縦翼を組込んだ垂直軸式風車。
JP2007211656A (ja) * 2006-02-08 2007-08-23 Seinosuke Miyawaki 円形筒型風車発電装置
CN101245764A (zh) * 2008-03-17 2008-08-20 王誉燕 一种可变翼的风车叶片
CN101252301A (zh) * 2008-03-13 2008-08-27 王誉燕 磁悬浮垂直轴风车

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2040168U (zh) * 1988-06-27 1989-06-28 王涧峰 竖直轴可调翼型风力机
EP1273798A1 (fr) * 2001-07-02 2003-01-08 Buis, Gerrit Pieter Eolienne à axe vertical
US6688842B2 (en) * 2002-06-24 2004-02-10 Bruce E. Boatner Vertical axis wind engine
JP2006037936A (ja) * 2004-07-23 2006-02-09 Baba Shizuko 表裏両面で回転エネルギーを得る縦翼を組込んだ垂直軸式風車。
JP2007211656A (ja) * 2006-02-08 2007-08-23 Seinosuke Miyawaki 円形筒型風車発電装置
CN101252301A (zh) * 2008-03-13 2008-08-27 王誉燕 磁悬浮垂直轴风车
CN101245764A (zh) * 2008-03-17 2008-08-20 王誉燕 一种可变翼的风车叶片

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103233856A (zh) * 2013-04-07 2013-08-07 哈尔滨工程大学 一种变桨距垂直轴风力机
EP3059443A4 (fr) * 2013-10-18 2017-06-28 Toshimitsu Yamazawa Dispositif de génération d'énergie éolienne

Also Published As

Publication number Publication date
CN101260863A (zh) 2008-09-10

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