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WO2014038793A1 - Générateur d'énergie éolienne non électrique apte à suivre automatiquement le vent - Google Patents

Générateur d'énergie éolienne non électrique apte à suivre automatiquement le vent Download PDF

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Publication number
WO2014038793A1
WO2014038793A1 PCT/KR2013/007097 KR2013007097W WO2014038793A1 WO 2014038793 A1 WO2014038793 A1 WO 2014038793A1 KR 2013007097 W KR2013007097 W KR 2013007097W WO 2014038793 A1 WO2014038793 A1 WO 2014038793A1
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WO
WIPO (PCT)
Prior art keywords
wind
gear
blade
rotating
coupled
Prior art date
Application number
PCT/KR2013/007097
Other languages
English (en)
Korean (ko)
Inventor
이대우
Original Assignee
Lee Dae Woo
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 Lee Dae Woo filed Critical Lee Dae Woo
Publication of WO2014038793A1 publication Critical patent/WO2014038793A1/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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/04—Wind motors with rotation axis substantially parallel to the air flow entering the rotor  having stationary wind-guiding means, e.g. with shrouds or channels
    • 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
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • 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
    • F03D7/00—Controlling wind motors 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0204—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for orientation in relation to wind direction
    • 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
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/91—Mounting on supporting structures or systems on a stationary structure
    • F05B2240/912—Mounting on supporting structures or systems on a stationary structure on a tower
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/728—Onshore wind turbines

Definitions

  • the present invention relates to a wind power generator, and more particularly, to provide a non-powered wind direction automatic tracking wind power generator, in which blade durability is improved, maintenance is easy, and power generation efficiency can be improved.
  • Horizontal wind generators typically consist of a rotor, nacelle and tower.
  • the rotor includes a wing, a hub and a pitching system.
  • the nacelle includes a gearbox, a yawing system, a mainframe, an electrical device and a generator.
  • the nacelle may be installed on the front or rear of the rotor, and is divided into an upwind type (windward type) and a downwind type (backwind type) according to the installation position.
  • the wind generator is a device in which a rotor rotates by wind power, and this rotational kinetic energy operates an electric generator inside a nacelle to produce electric energy.
  • the wind generator occupies less construction site than the solar power generator, and has an advantage of generating electric power with only moderate wind without significant influence on the weather.
  • Daegwallyeong which is a windy area in Korea
  • the annual average wind speed is 6.5m ⁇ s and the annual average wind speed is 7.1m ⁇ s in Baeknyeong-do.
  • Most of the horizontal wind turbines are generally capable of generating above 8 ⁇ 15 KW, and if the wind speed is below 6 KW, there is no economical power production. On the contrary, if the wind speed is 25 m ⁇ s or more, the wind power generator may be damaged, and thus power generation is impossible.
  • An object of the present invention is to provide a non-powered wind direction automatic follower that can be prevented from damaging the blades and ensuring economic feasibility of wind power generation even in a low wind speed region.
  • the non-powered wind direction automatic follower wind turbine generator has a cylindrical rotor housing protected by a tower installed at an appropriate height from the ground, a housing case mounted on the top of the tower, and disposed in a central region of the rotor housing.
  • a blade device including a hub, a plurality of blades mounted between the rotor housing and the hub, and a wind direction tracking device mounted to a rear of the rotor housing to rotate the rotor housing in a wind blowing direction; It includes a rotational force transmission device for transmitting the rotational force of the ground generator.
  • a non-powered wind direction automatic tracking wind generator has a tower installed at an appropriate height from the ground, a housing case mounted on an upper end of the tower and formed to extend in a wind flow direction, and an inner circumference of the housing case.
  • the front and rear rotor housing which is rotatably provided at positions spaced apart from each other by a predetermined distance in the direction of the wind flow in the front, the front and rear hubs arranged in the central region of the front and rear rotor housing, the front and rear rotor
  • a blade device including a plurality of blades mounted between a housing and the front and rear hubs, and a wind direction tracking device mounted on a rear surface of the housing case to rotate the housing case in a wind blowing direction; It includes a rotational force transmission device for transmitting the rotational force of the ground generator.
  • the non-powered wind direction automatic tracking wind power generator according to the present invention has an advantage in that the gear device and the generator are provided in the tower and on the ground, so that the construction is easy and maintenance and maintenance such as replacement and repair in the event of failure or abnormality occur.
  • the generator can be made lighter in weight and slimmer.
  • the wind speed accelerator is provided in front of the rotor housing, thereby increasing the speed of the wind flowing into the rotor housing, thereby maximizing power generation efficiency even in a region where the wind speed is low.
  • the rotor housing is always rotated in the direction in which the wind blows even if the wind direction is changed, since the rotor housing can always rotate with sufficient wind, There is an advantage that the efficiency can be improved.
  • the wind direction tracking device is crosswise coupled to the vertical frame and the horizontal frame to cross, there is an advantage that the rigidity of the vertical frame is complemented to ensure structural stability.
  • the vertical frame of the wind direction tracking device is provided with a wind direction buffer member including a rotating wind direction plate rotated by the wind, so that even if the instantaneous wind speed or the wind volume increases rapidly, the rotation wind direction plate is opened, so that the wind passes through the space part. This can prevent the vertical frame from being broken.
  • the rotational force transmission device is made of a bevel gear structure, it is possible to increase the speed by adjusting the gear ratio of the bevel gear, there is an advantage that does not need a separate speed increaser.
  • the blade is rotatably coupled by the pivot means between the rotor housing and the hub, so that deformation occurring at the end of the blade can be prevented.
  • the blade since the blade is divided into unit lengths, the blade can be coupled to one pivot means to form an integrated unit, and thus, it is easy to carry, and can be partially assembled to extend the length of the blade for securing maximum power. have.
  • the blade pitching means for changing the angle of the blade by the wind in accordance with the wind speed is provided, it is possible to prevent damage to the blade by the wind.
  • the blade pitching means is operated by the force of the blowing wind to change the angle of the blade, there is an advantage that does not require a separate drive device.
  • a plurality of through-holes are formed on the side of the wind speed accelerator, and the plurality of through-holes are provided with side doors opened by wind, so that when the wind blows in the lateral direction, the wind passing through the through-holes is in the rotor housing.
  • FIG. 1 is a perspective view showing a non-powered wind direction automatic tracking wind power generator according to a first embodiment of the present invention.
  • FIG. 2 is a front view of the wind generator shown in FIG. 1.
  • FIG. 3 is an exploded perspective view of a part of the configuration of the wind generator shown in FIG.
  • FIG. 4 is a longitudinal sectional view of the wind generator shown in FIG. 1.
  • FIG. 5 is an enlarged view of a portion A of FIG. 4.
  • FIG. 6 is an enlarged view illustrating some components of the pivoting means and the blade pitching means shown in FIG. 4.
  • FIG. 7 is a view showing the configuration and operation of the blade pitching means shown in FIG.
  • FIG. 8 is an enlarged perspective view of the wind direction tracking device illustrated in FIG. 4.
  • FIG. 9 is an enlarged view of a portion B of FIG. 8.
  • FIG. 10 is a cross-sectional view of the wind direction buffer member shown in FIG.
  • FIG. 11 is a longitudinal sectional view of a non-powered wind direction automatic tracking wind generator according to a second embodiment of the present invention.
  • FIG. 12 is an enlarged perspective view of the wind direction tracking device illustrated in FIG. 11.
  • FIG. 13 is an enlarged view of a portion C of FIG. 12.
  • FIG. 14 is a cross-sectional view of the wind direction buffer member shown in FIG.
  • 15 is a longitudinal sectional view showing a non-powered wind direction automatic tracking wind generator according to a third embodiment of the present invention.
  • 16 is a longitudinal sectional view showing a non-powered wind direction automatic follower according to a fourth embodiment of the present invention.
  • FIG. 17 is an enlarged view of a portion D of FIG. 16.
  • FIG. 18 is an enlarged view of a portion E of FIG. 16.
  • FIGS. 17 and 18 are views showing the configuration and operation of the blade pitching means shown in FIGS. 17 and 18.
  • 20 is a longitudinal sectional view showing a non-powered wind direction automatic tracking wind generator according to a fifth embodiment of the present invention.
  • FIG. 21 is an enlarged view of a portion F of FIG. 20.
  • FIG. 22 is a sectional view of the blade pitching means seen in the direction G of FIG.
  • FIG. 23 is a view showing the configuration and operation of the blade pitching means shown in FIG.
  • FIG. 24 is a view showing a blade of the wind power generator according to the sixth embodiment of the present invention.
  • 25 is a side view illustrating a wind speed accelerator according to a seventh embodiment of the present invention.
  • FIG. 26 is a cross-sectional view taken along the line H-H in FIG. 25.
  • FIG. 27 is a view showing the configuration and operation of the blade pitching means according to the eighth embodiment of the present invention.
  • FIG. 1 is a perspective view showing a non-powered wind direction automatic tracking wind power generator according to a first embodiment of the present invention.
  • FIG. 2 is a front view of the wind generator shown in FIG. 1.
  • 3 is an exploded perspective view of a part of the configuration of the wind generator shown in FIG. 4 is a longitudinal sectional view of the wind generator shown in FIG. 1.
  • 5 is an enlarged view of a portion A of FIG. 4.
  • FIG. 6 is an enlarged view illustrating some components of the pivoting means and the blade pitching means shown in FIG. 4.
  • the non-powered wind direction automatic follower includes a tower 10, a blade device 20, and a rotational force transmission device 90.
  • the tower 10 is installed in a vertical direction while maintaining an appropriate height from the ground.
  • the tower 10 has a column shape having a constant cross-sectional area, for example, but is not limited thereto, but may be formed in a shape in which the cross-sectional area is increased toward the lower side, and the rotational force transmitting device 90 is provided. It may be implemented in a variety of shapes, such as the shape surrounding the generator 140 to be described later.
  • the blade device 20 is mounted on the top of the tower 10, and is a device that rotates by natural wind.
  • the blade device 20 includes a housing case 30a, a rotor housing 30, a hub 40, a blade 50, a wind speed accelerator 70, and a wind direction follower 80.
  • the housing case 30a is mounted on the top of the tower 10 and has a cylindrical shape.
  • the rotor housing 30 is installed at the inner circumference of the housing case 30a and protected by the housing case 30a.
  • the rotor housing 30 is made of a cylindrical shape, the external gear 32 is formed on the outer circumference.
  • the external gear 32 is engaged with the upper gear 92 of the rotation force transmission device 90 to be described later.
  • the hub 40 is disposed in the central region of the rotor housing 30, and the plurality of blades 50 are mounted.
  • the hub 40 includes a body portion 44 on which the plurality of blades 50 are mounted, and a tip portion 42 sharply formed forward from the front of the body portion 44.
  • the blade 50 is mounted between the inner circumference of the rotor housing 30 and the outer circumference of the hub 40. Since one end of the blade 50 is mounted on the outer circumferential surface of the hub 40 and the other end is mounted on the inner circumference of the rotor housing 30, no drag is generated at the outer end of the blade 50. Noise during rotation can also be reduced.
  • the plurality of blades 50 are mounted at positions spaced apart from each other by a predetermined angle in the circumferential direction.
  • the cross section of the blade 50 has a streamlined shape.
  • the blade 50 has a smaller cross-sectional area from the hub 40 toward the rotor housing 30, so that the blade 50 is easily rotated by wind. In this embodiment, the blade 50 is made of three will be described with an example.
  • the blade device 20 further includes pivot means 60 for rotating the respective blades 50.
  • the pivot means 60 rotatably couples the blade 50 between the inner circumference of the rotor housing 30 and the outer circumference of the hub 40.
  • the pivot means 60 passes through the blade 50, and both ends thereof are coupled to an inner circumference of the rotor housing 30 and an outer circumference of the hub 40.
  • the rotating rod 64 is press-fitted into the press-in hole formed in the blade 50, it is integrally coupled.
  • the wind speed accelerator 70 is mounted on the front surface of the housing case 30a and accelerates the wind speed.
  • the wind speed accelerator 70 is formed to decrease the cross-sectional area toward the direction in which the wind flows. That is, the wind speed accelerator 70 has a funnel shape in which the inner diameter decreases toward the housing case 30a from the front side.
  • the wind speed accelerator 70 is designed such that the diameter of the front end portion is more than twice the diameter of the rear end portion of the housing case 30a side. Accordingly, the wind passing through the wind speed accelerator 70 may be sufficiently accelerated to be at least 8 m / s or more in front of the blade 50.
  • the wind speed is inversely proportional to the reduction in the cross-sectional area of the flow path, the wind speed may be increased by at least two times even when a low wind speed (4 m / s to 6 m / s or less) is introduced, thereby allowing the blade 50 to rotate.
  • Whether or not the wind speed accelerator 70 is installed is determined according to the surrounding environmental conditions of the region where the wind generator is installed. That is, in the case where the wind speed is sufficient, it is also possible not to install the wind speed accelerator 70.
  • the wind direction tracking device 80 is mounted on a rear surface of the rotor housing 30 to rotate the rotor housing 30 in a wind blowing direction.
  • the wind direction tracking device 80 includes a vertical frame 82, a horizontal frame 84, and a wind direction buffer member 86.
  • the vertical frame 82 is disposed in the vertical direction on the rear surface of the rotor housing 30. Upper and lower ends of the vertical frame 82 are mounted to the rotor housing 30, respectively.
  • the vertical frame 82 is formed such that its area is reduced toward the rear. In the present embodiment, the vertical frame 82 has a triangular shape, for example.
  • the horizontal frame 84 is crosswise connected to the vertical frame 82 and disposed in a horizontal direction on the rear surface of the rotor housing 30. Left and right ends of the horizontal frame 84 are mounted to the rotor housing 30, respectively.
  • the horizontal frame 84 is also formed such that the area is reduced toward the rear.
  • the horizontal frame 84 has a triangular shape, for example, will be described. Since the horizontal frame 84 is intersected with the vertical frame 82 and assembled, the rigidity of the vertical frame 82 can be compensated for.
  • At least one cutout 84b is formed in the horizontal frame 84 to reduce weight.
  • the cutout 84b is one triangular shaped hole, for example, but the present invention is not limited thereto.
  • the cutout 84b may be formed in various numbers and shapes in a range in which the rigidity is maintained but the weight can be reduced. .
  • the wind direction buffering member 86 is provided in the vertical frame 82, and when the instantaneous wind speed or the amount of air increases sharply, the wind direction buffering member 86 is opened in the direction of the flow of the wind to the vertical frame 82. ) To prevent damage.
  • the wind direction buffer member 86 includes a plurality of spaces 87 formed in the vertical frame 82 and a rotational wind direction plate 89 rotatably mounted to the spaces 87, respectively.
  • the plurality of spaces 87 are through holes formed at positions spaced apart from each other in the vertical frame 82.
  • the rotatable wind vane 89 is rotatably coupled to the space 87 by a hinge 88.
  • the rotation force transmitting device 90 includes an upper gear 92 meshed with the external gear 32 of the rotor housing 30, and an upper portion coupled to the upper gear 92.
  • the rotational force transmission device 90 includes an upper gearbox 94 surrounding the outside of the upper vertical bevel gear 95 and the upper horizontal bevel gear 97, and the lower horizontal bevel gear 100 and the lower vertical. It further includes a lower gearbox 98 surrounding the outside of the bevel gear 120.
  • non-powered wind direction automatic follow-up wind turbine further comprises a blade pitching means (150) coupled to the pivot means 60, driven by the wind to change the angle of the blade.
  • the blade pitching means 150 is provided in the three blades 50, respectively.
  • Each of the blade pitching means 150 is coupled to the rotating rod 64 in the hub 40 and the pinion gear 151 rotates integrally with the blade 50 and the inside of the hub 40.
  • the rack gear 152 meshed with the pinion gear 151 at the circumference and linearly reciprocates, a rotating member that is rotated by wind at a set wind speed or more, and connects the rotating member and the rack gear 152 to the rotation. And a crank mechanism for converting the rotational motion of the member into linear motion and transmitting it to the rack gear 152.
  • the rotating member includes a fixed shaft 153, a balance weight 154, and a crank arm 155.
  • the crank arm 155 is rotatably coupled to the fixed shaft 153.
  • Two balance weights 154 are mounted at both ends of the crank arm 155.
  • a torsion spring (not shown) is provided between the fixed shaft 153 and the crank arm 155.
  • the torsion spring provides an elastic force to keep the crank arm 155 horizontally below the set wind speed.
  • the set wind speed is set in a range capable of withstanding the elastic force of the torsion spring, and in the present embodiment, the set wind speed is about 8 m / s.
  • the crank mechanism may include a first connecting rod 156 coupled to the crank arm 155, a slider 158 coupled to the other end of the first connecting rod 156 to linearly move, and the slider ( And a second connecting rod 157 which connects the rack gear 152 to the rack gear 152 and transmits a linear motion to the rack gear 152.
  • the slider 158 is installed to be slidable on the slider rail 158a which is separately fixed.
  • the first connecting rod 156 is rotatably coupled to the slider 158.
  • the wind speed accelerator 70 When the wind blows, the wind is introduced through the wind speed accelerator 70. Since the wind speed accelerator 70 is formed to reduce the cross-sectional area in the inflow direction of the wind, the wind speed may be accelerated in inverse proportion to the reduction in the cross-sectional area. That is, even if the wind of low wind speed (4m / s ⁇ 6m / s or less) blows the wind speed by the wind speed accelerator 70, the rotor housing 30 can be rotated quickly. Therefore, even in low wind speed conditions, sufficient output compared to the wind speed can be obtained.
  • the rotor housing 30 may be rotated in a direction in which the wind blows by the wind direction tracking device 80. Since the rotor housing 30 is always rotated in the direction in which the wind blows by the vertical frame 82 of the wind direction tracking device 80 even if the wind direction is changed, the rotor housing 30 always generates sufficient wind. Can be rotated. Therefore, sufficient power can always be obtained regardless of the wind direction.
  • the rigidity of the vertical frame 82 may be compensated for.
  • the rotating wind direction plate 89 of the wind direction buffer member 86 is rotated about the hinge 88.
  • a wind in which the instantaneous wind speed or air volume is rapidly increased passes through the space 87. Therefore, even when a gust of wind or high wind blows, the vertical frame 82 of the wind direction tracking device 80 can be prevented from being damaged.
  • the upper gear 92 meshed with the external gear 32 of the rotor housing 30 rotates.
  • the rotational force of the upper gear 92 is transmitted to the upper horizontal bevel gear 97 through the upper vertical bevel gear 95.
  • the rotational force of the upper horizontal bevel gear 97 is transmitted to the lower horizontal bevel gear 100 through the vertical connecting shaft 110 and the lower horizontal bevel gear 100.
  • the lower horizontal bevel gear 100 rotates, the lower vertical bevel gear 120 meshed with the lower horizontal bevel gear 100 rotates.
  • the rotational force of the lower vertical bevel gear 120 is transmitted to the generator 140 through the lower horizontal shaft 119 and the horizontal connecting shaft 130.
  • the rotational force of the rotor housing 30, the upper vertical bevel gear 95, the upper horizontal bevel gear 97, the lower horizontal bevel gear 100 and the lower vertical bevel gear 120 It is transmitted to the generator 140 through. Accordingly, since the gear ratio of the upper vertical bevel gear 95 and the upper horizontal bevel gear 97 or the gear ratio of the lower horizontal bevel gear 100 and the lower vertical bevel gear 120 can be increased, There is an advantage that does not require a separate speed increaser.
  • the rotor housing 30, by the bevel gear structure as described above can perform a yawing (ywing) rotation about 360 degrees around the tower (10).
  • the blade 50 is the angle by the blade pitching means 150 is changed in accordance with the wind speed. Referring to FIG. 7A, when the wind speed is less than the set wind speed, the crank arm 155 is in a horizontal position I-I.
  • the crank arm 155 when the wind speed is faster than the set wind speed and is about 8 m / s or more and less than 15 m / s, the crank arm 155 is rotated by the wind, and the crank arm 155 is vertically oriented ( II-II). Centrifugal force is generated in the balance weight 154 when the crank arm 155 rotates. The crank arm 155 pushes the slider 158 through the first connecting rod 156 by the centrifugal force of the balance weight 154. The slider 158 moves forward while sliding, and the sliding movement of the slider 158 is transmitted to the rack gear 152 through the second connecting rod 157. Thus, the rack gear 152 is advanced, so that the pinion gear 151 rotates clockwise. When the pinion gear 151 rotates, the rotating rod 64 and the blade 50 rotates integrally. For example, the blade 50 is rotated about 15 degrees clockwise. The rotation angle of the blade 50 can be adjusted according to the linear reciprocating movement distance of the rack gear 152.
  • the first connecting rod 156 continues to rotate while maintaining a cone shape.
  • FIG. 11 is a longitudinal sectional view of a non-powered wind direction automatic tracking wind generator according to a second embodiment of the present invention.
  • 12 is an enlarged perspective view of the wind direction tracking device illustrated in FIG. 11.
  • FIG. 13 is an enlarged view of a portion C of FIG. 12.
  • 14 is a cross-sectional view of the wind direction buffer member shown in FIG.
  • the wind direction tracking device 160 of the wind power generator according to the second embodiment of the present invention includes a vertical frame 170, a horizontal frame 180, and a wind direction buffer member 190.
  • the vertical frame 170 and the horizontal frame 180 are each formed in a semicircle shape, different from the first embodiment, and described in detail with respect to different points, and the rest of the configuration is similar to that of the first embodiment.
  • the same reference numerals are used for the description thereof and detailed description thereof is omitted.
  • the vertical frame 170 is disposed in the vertical direction on the rear surface of the rotor housing 30. Upper and lower ends of the vertical frame 170 are mounted to the rotor housing 30, respectively.
  • the vertical frame 170 is formed so that the area is reduced toward the rear.
  • the vertical frame 170 has a semicircular shape and will be described with an example.
  • the horizontal frame 180 is crosswise connected to the vertical frame 170 and is disposed in the horizontal direction on the rear surface of the rotor housing 30. Left and right ends of the horizontal frame 180 are mounted to the rotor housing 30, respectively.
  • the horizontal frame 180 is also formed to be reduced in area toward the rear.
  • the horizontal frame 180 has a semicircular shape and will be described with an example. Since the horizontal frame 180 crosses the vertical frame 170 and is assembled, the stiffness of the vertical frame 170 can be compensated for.
  • At least one cutout 180a is formed in the horizontal frame 180 to reduce weight.
  • the cutout 180a is one semi-circular hole, for example, but is not limited thereto, but may be formed in various numbers and shapes in a range in which rigidity is maintained but weight may be reduced. .
  • the wind direction buffering member 190 is provided in the vertical frame 170, and when the instantaneous wind speed or the amount of air increases sharply, the wind direction buffering member 190 is opened in the direction of the flow of the wind to the vertical frame 170. ) To prevent damage.
  • the wind direction buffer member 190 includes a plurality of spaces 192 formed in the vertical frame 170, and a rotational wind direction plate 194 rotatably mounted to the spaces 192, respectively.
  • the plurality of spaces 192 are formed to penetrate at positions spaced apart from each other in the vertical frame 170.
  • the rotatable wind vane 194 is rotatably coupled to the space 192 by a hinge 193.
  • Wind generator according to the second embodiment of the present invention as described above is provided with the vertical frame 170 having a semi-circular shape, the rotor housing 30 can be rotated in the always wind direction. Therefore, since the rotor housing 30 is always rotated in the direction in which the wind blows by the vertical frame 170, even if the direction of the wind is changed, the rotor housing 30 is always rotated while receiving sufficient wind. You can get the maximum output from.
  • the horizontal frame 180 is crosswise coupled to intersect the vertical frame 170, the rigidity of the vertical frame 170 may be compensated for.
  • the rotating wind direction plate 194 of the wind direction buffer member 190 is rotated about the hinge 193.
  • a wind in which the instantaneous wind speed or air volume is rapidly increased passes through the space 192. Therefore, even when a gust of wind or high wind blows, the vertical frame 170 may be prevented from being damaged.
  • 15 is a longitudinal sectional view showing a non-powered wind direction automatic tracking wind generator according to a third embodiment of the present invention.
  • the rotational force transmission device is disposed in the vertical direction and the generator 141 is connected to the lower portion, which is different from the first embodiment. It will be described in detail, and since the rest of the configuration is similar to the first embodiment, the same reference numerals are used for similar configurations and detailed description thereof will be omitted.
  • the tower 10 ′ is formed to have a cross-sectional area that is enlarged toward the lower side, and thus, for example, the generator 141 is installed inside the tower 10 ′.
  • the present invention is not limited thereto, and the tower 10 ′ may be formed to surround both the rotational force transmission device and the generator 141, and may also have a column shape so as to surround only the vertical connection shaft 110 to be described later. Of course it is possible.
  • the rotational force transmission device includes an upper gear 92 engaged with the external gear 32 of the rotor housing 30, an upper horizontal shaft 92 coupled to the upper gear 92, and the upper horizontal shaft 92.
  • An upper vertical bevel gear 95 coupled to the upper horizontal bevel gear 97 horizontally engaged with the upper vertical bevel gear 95 and an upper horizontal bevel gear 97 coupled to the upper vertical bevel gear 97.
  • the bevel gear structure is applied once, and the speed increase is possible by adjusting the gear ratio of the upper vertical bevel gear 95 and the upper horizontal bevel gear 97.
  • the power loss can be minimized because the structure of the torque transmission device is simple.
  • 16 is a longitudinal sectional view showing a non-powered wind direction automatic follower according to a fourth embodiment of the present invention.
  • 17 is an enlarged view of a portion D of FIG. 16.
  • 18 is an enlarged view of a portion E of FIG. 16.
  • 19 is a view showing the configuration and operation of the blade pitching means shown in FIGS. 17 and 18.
  • the wind generator according to the fourth embodiment of the present invention includes a tower 10, a blade device 200, and a rotational force transmission device 300, and the blade device 200 is , Housing case, front and rear rotor housings 220 and 230, front and rear hubs 250 and 251, blades 240, and a wind direction tracking device 280, and the front and rear rotor housings 220.
  • (230) is rotatably provided at positions spaced apart from each other by a predetermined distance in the direction of wind flow in the inner periphery of the housing case, different from the first embodiment, and will be described in detail with respect to different points.
  • the housing case is a wind speed accelerator 210 formed to reduce the cross-sectional area as the wind flows in the direction, it is made of a funnel shape that the inner diameter is reduced toward the wind direction tracking device 280 side from the front.
  • the wind speed accelerator 210 is integrally formed from the front of the front rotor housing 220 to the front of the rear rotor housing 230.
  • the present invention is not limited thereto, and the wind speed accelerator 210 may be provided only between the front rotor housing 220 and the rear rotor housing 230.
  • the wind speed accelerator 210 may have a constant inner diameter reduction rate, and may also change the inner diameter reduction rate.
  • the inner diameter reduction rate is changed where the front rotor housing 220 is located. Therefore, the wind is accelerated primarily in front of the front rotor housing 220, and then secondly accelerated in front of the rear rotor housing 230 after passing through the front rotor housing 220.
  • the front hub 250 is disposed in the central region of the front rotor housing 220, and the rear hub 251 is disposed in the central region of the rear rotor housing 230.
  • Each of the front hub 250 and the rear hub 251 has a body portion 254 on which the plurality of blades 240 are mounted, and a tip portion formed sharply forward from the front of the body portion 254. 252).
  • the blade 240 is coupled to the front rotor housing 220 and the front hub 250, the rear rotor housing 230 and the rear hub 251, respectively.
  • One end of the blade 240 is mounted on the outer circumferential surface of the front and rear hubs 250 and 251, and the other end is mounted on the inner circumference of the front and rear rotor housings 220 and 230.
  • the drag is not generated at the outer end of the 240, noise can be reduced during rotation.
  • the blade device 200 further includes a pivot means 260 for rotating the blade 240.
  • the pivot means 260 rotatably couples the blade 240 to the front rotor housing 220, the front hub 250, the rear rotor housing 230, and the rear hub 251, respectively. . 17 and 18, the pivot means 260 penetrates through the blade 240 and both ends thereof have an inner circumference of the front and rear rotor housings 220 and 230 and the front and rear hubs (
  • the rotating rod 262 coupled to the outer circumference of the 250 and 251, the inner and outer circumference of the front and rear rotor housings 220 and 230, and the outer and outer circumferences of the front and rear hubs 250 and 251.
  • Bearing 261 rotatably supporting 262.
  • the rotating rod 262 is press-fitted into the press-in hole formed in the blade 240, it is integrally coupled.
  • the wind direction tracking device 280 is mounted on the rear side of the rear rotor housing 230, and rotates the wind speed accelerator 210 in a wind blowing direction.
  • the wind direction tracking device 280 includes a vertical frame 282, a horizontal frame 284 and a wind direction buffer member 290.
  • the vertical frame 282 is disposed in the vertical direction on the rear surface of the rear rotor housing 230. Upper and lower ends of the vertical frame 282 are mounted to the rear rotor housing 230, respectively.
  • the vertical frame 282 is formed such that the area is reduced toward the rear.
  • the vertical frame 282 is formed as a triangular shape, for example, but is not limited to this, of course, it is also possible to have a semi-circular shape.
  • the horizontal frame 284 is crosswise connected to the vertical frame 282 and is disposed in a horizontal direction on the rear surface of the rear rotor housing 230. Left and right ends of the horizontal frame 284 are mounted to the rear rotor housing 230, respectively.
  • the horizontal frame 284 is also formed to be reduced in area toward the rear.
  • the horizontal frame 284 is formed as a triangular shape, for example, but of course, it is also possible to have a semi-circular shape. Since the horizontal frame 284 is assembled to cross the vertical frame 282, the rigidity of the vertical frame 282 may be compensated for.
  • the horizontal frame 284 is formed with at least one cutout for weight reduction. In the present embodiment, the cutout is one triangular shaped hole, for example, but not limited to this, the rigidity is maintained, but may be made of various numbers and shapes in the range that the weight can be reduced.
  • the wind direction buffering member 290 is provided in the vertical frame 282, and when the instantaneous wind speed or the amount of wind increases rapidly, it is opened in the direction of the wind flow to prevent damage to the vertical frame 282.
  • the wind direction buffer member 290 includes a plurality of spaces formed in the vertical frame 282, and a rotational wind direction plate rotatably mounted to the spaces, respectively.
  • the plurality of spaces are formed in a position spaced apart from each other in the vertical frame 282.
  • the rotatable wind vane is rotatably coupled to the space portion by a hinge.
  • the rotation force transmitting device 300 includes a front upper gear 340 meshed with an external gear 221 formed at an outer circumference of the front rotor housing 220, and a first horizontal couple coupled to the front upper gear 340.
  • a rear upper gear 341 engaged with the rotary shaft 301, an external gear 231 formed at an outer circumference of the rear rotor housing 230, and a second horizontal rotary shaft 302 coupled to the rear upper gear 341.
  • a third horizontal rotation shaft 360 connected to the first horizontal rotation shaft 301 and the second horizontal rotation shaft 302 by a first joint 350, and one end of the third horizontal rotation shaft 360.
  • An upper vertical bevel gear 370 vertically arranged, an upper horizontal bevel gear 380 meshed horizontally with the upper vertical bevel gear 370, and an upper vertical axis 379 arranged on the upper horizontal bevel gear 380.
  • a vertical connecting shaft 420 connected by the upper vertical shaft 379 and the second joint 410, and a lower portion of the vertical connecting shaft 420.
  • a lower vertical axis 399 connected by two joints 410, a lower horizontal bevel gear 400 coupled to the lower vertical axis 399, and a lower vertical bevel gear 430 engaged with the lower horizontal bevel gear 400.
  • the rotational force transmission device 300 includes an upper gearbox 310 surrounding the outside of the upper vertical bevel gear 370 and the upper horizontal bevel gear 380, and the lower horizontal bevel gear 400 and the lower vertical.
  • a lower gear box 390 surrounding the outer side of the bevel gear 430 and a horizontal connector 320 surrounding the third horizontal axis of rotation 360 is further included.
  • the first horizontal rotation shaft 301 and the second horizontal rotation shaft 302 are not coaxial, and the third It is connected to the horizontal axis of rotation (360).
  • the first joint 350, the second joint 410, and the third joint 441 have a ratchet structure, so that rotational force is transmitted in one direction.
  • the external gear 231 and the rear upper gear 341 of the rear rotor housing 230 are directly engaged with each other.
  • the present invention is not limited thereto, and any structure capable of transmitting power may be applied.
  • a plurality of pinion gears may be engaged between the gear 231 and the rear upper gear 341, and the external gear 231 and the rear upper gear 341 may be coupled by a belt or the like.
  • the bevel gear structure is applied twice in the rotational force transmission device 300, but the present invention is not limited thereto, and the vertical axis of rotation 420 and the axis of rotation of the generator 450 are It is also possible that the bevel gear structure is applied only once by being arranged in a line and combined.
  • the wind generator further includes a blade pitching means 270 coupled to the pivot means 260 and driven by wind to change the angle of the blade 240.
  • the blade pitching means 270 is coupled to the rotating rod 262 in the front and rear hubs 250 and 251 and rotates integrally with the blade 240.
  • a rack gear 272 meshed with the pinion gear 271 and linearly reciprocating, a rotating member rotated by wind at a set wind speed or more, and the rotating member and the rack gear 272 are connected to each other.
  • it will be described as including a crank mechanism for converting the rotational movement of the rotating member to a linear movement to transfer to the rack gear 272.
  • the present invention is not limited thereto, and the blade pitching means 270 may be configured to change the angle of the blade 240.
  • the rotating member includes a fixed shaft 273, a balance weight 274, and a crank arm 275.
  • the crank arm 275 is rotatably coupled to the fixed shaft 273.
  • Two balance weights 274 are mounted at both ends of the crank arm 275.
  • a torsion spring (not shown) is provided between the fixed shaft 273 and the crank arm 275.
  • the torsion spring provides an elastic force to keep the crank arm 275 horizontally below the set wind speed.
  • the set wind speed is set in a range capable of withstanding the elastic force of the torsion spring, and in the present embodiment, the set wind speed is about 8 m / s.
  • the crank mechanism includes a slider 278 having one end coupled to the other end of the first connecting rod 276 coupled to the crank arm 275, a slider 278 linearly moving, and the slider ( And a second connecting rod 279 connecting the rack gear 272 to the rack gear 272 to transmit a linear motion to the rack gear 272.
  • the slider 278 is installed to be slidable on the slider rail 278a that is separately fixed.
  • the first connecting rod 276 is rotatably coupled to the slider 278.
  • the wind speed accelerator 210 When the wind blows, the wind is introduced through the wind speed accelerator 210. Since the wind speed accelerator 210 is formed to reduce the cross-sectional area in the inflow direction of the wind, the wind speed may be accelerated in inverse proportion to the reduction in the cross-sectional area. That is, the wind speed is accelerated by the wind speed accelerator 210 even if the wind of low wind speed (4m / s ⁇ 6m / s or less) blows. Wind is primarily accelerated in front of the front rotor housing 220, so that the front rotor housing 220 may rotate rapidly even when the wind of low wind speed blows. The wind passing through the front rotor housing 220 may be accelerated secondaryly in front of the rear rotor housing 230, so that the rear rotor housing 230 may rotate rapidly.
  • the two front and rear rotor housings 220 and 230 rotate, respectively, so that not only the rotational force can be increased, but also the wind is accelerated in front of each of the front and rear rotor housings 220 and 230.
  • the output relative to the wind speed and air volume can be improved.
  • the front and rear rotor housings 220 and 230 may rotate in a direction in which wind is blown by the wind direction tracking device 280. Even if the wind direction is changed, the front and rear rotor housings 220 and 230 are always rotated in the direction in which the wind blows by the vertical frame 282 of the wind direction tracking device 280, so that the front and rear rotors The housings 220 and 230 can always rotate with sufficient wind.
  • the rotating wind direction plate of the wind direction buffer member 290 is rotated to open the space portion, it is possible to prevent the vertical frame 282 from being damaged.
  • the angle of the blade 240 may be automatically changed by the blade pitching means 270 according to the wind speed, damage of the blade 240 may be prevented.
  • FIG. 20 is a longitudinal sectional view showing a non-powered wind direction automatic tracking wind generator according to a fifth embodiment of the present invention.
  • FIG. 21 is an enlarged view of a portion F of FIG. 20.
  • FIG. 22 is a sectional view of the blade pitching means seen in the direction G of FIG.
  • FIG. 23 is a view showing the configuration and operation of the blade pitching means shown in FIG.
  • the wind generator according to the fifth embodiment of the present invention is different from the first embodiment in which the blade pitching means 500 is coupled only to any one of the plurality of rotating rods 60. And, it will be described in detail with respect to different points, and since the rest of the configuration is similar to the first embodiment, the same reference numerals are used for similar configurations and detailed description thereof will be omitted.
  • the blade pitching means 500 includes a plurality of main bevel gears 511, 512, 513 and the plurality of main bevels respectively coupled to the plurality of rotating rods 64 in the hub 40.
  • a plurality of auxiliary bevel gears 521, 522, 523 disposed between and engaged with the gears 511, 512, 513 and one of the plurality of rotating rods 64 rotate integrally therewith.
  • the number of the rotating rods 64 corresponds to the number of the blades 50
  • the number of the main bevel gears corresponds to the number of the rotating rods 64.
  • the blade 50 and the rotating rod 64 are each described as three, so that the main bevel gears 511, 512, 513 are also three first, second, third It will be described as consisting of the main bevel gears (511) (512) (513).
  • the three first, second and third main bevel gears 511, 512 and 513 respectively coupled to the three rotating rods 64 are disposed at positions spaced apart from each other by 120 degrees.
  • Three first, second and third auxiliary bevel gears 521, 522, and 523 are provided between the three first, second and third main bevel gears 511, 512, and 513.
  • the three first, second, and third auxiliary bevel gears 521, 522, and 523 are also disposed at positions spaced apart from each other by 120 degrees. That is, the arrangement structure of the three first, second and third main bevel gears 511, 512 and 513 and the three first, second and third auxiliary bevel gears 521, 522 and 523 It forms a cube.
  • the first, second and third main bevel gears 511, 512 and 513 and the first, second and third auxiliary bevel gears 521 (corresponding to the three rotating rods 64) ( 522 and 523 are provided as three, for example, but the present invention is not limited thereto, and the number of the main bevel gears and the auxiliary bevel gears may be determined according to the number of the rotating rods 64.
  • the pinion gear 530 is coupled to only one of the three rotating rods 64. That is, since only one pinion gear 530 is installed regardless of the number of the rotating rods 64, the structure of the blade pitching means 500 is simpler.
  • the pinion gear 530 and the rotating rod 64 is coupled by the pinion shaft 531, and rotates integrally.
  • the present invention is not limited thereto, and the pinion gear 530 may be directly coupled to the rotary rod 64.
  • the rotating member includes a fixed shaft 553, a balance weight 554, and a crank arm 555.
  • the crank arm 555 is rotatably coupled to the fixed shaft 553.
  • Two balance weights 554 are mounted at both ends of the crank arm 555.
  • a torsion spring (not shown) is provided between the fixed shaft 553 and the crank arm 555.
  • the torsion spring provides an elastic force to keep the crank arm 555 in a horizontal state below the set wind speed.
  • the set wind speed is set in a range capable of withstanding the elastic force of the torsion spring, and in the present embodiment, the set wind speed is about 8 m / s.
  • the crank mechanism includes a slider 558 having one end coupled to the other end of the first connecting rod 556, a slider 558 linearly coupled to the other end of the crank arm 555, and the slider ( 558 and the rack gear 540 includes a second connecting rod 557 for transmitting a linear motion to the rack gear 540.
  • the slider 558 is installed to be slidable on a slider rail fixedly installed separately.
  • the first connecting rod 556 is rotatably coupled to the slider 558.
  • the blade 50 is angled by the blade pitching means 500 according to the wind speed. Referring to FIG. 23A, when the wind speed is less than the set wind speed, the crank arm 555 is in a horizontal position I-I.
  • the crank arm 555 when the wind speed is faster than the set wind speed and is about 8 m / s or more and less than 15 m / s, the crank arm 555 is rotated by the wind, and the crank arm 555 is vertically oriented ( II-II). Centrifugal force is generated in the balance weight 554 when the crank arm 555 rotates.
  • the crank arm 555 pushes the slider 558 through the first connecting rod 556 by the centrifugal force of the balance weight 554.
  • the slider 558 moves forward while sliding, and the sliding movement of the slider 558 is transmitted to the rack gear 540 through the second connecting rod 557.
  • the rack gear 540 is advanced, so that the pinion gear 530 rotates clockwise.
  • the rotating rod 64 to which the pinion gear 530 is coupled the first main bevel gear 511 and the blade 50 rotate integrally.
  • the first main bevel gear 511 rotates
  • the first and second auxiliary bevel gears 521 and 522 engaged with the first main bevel gear 511 rotate.
  • the second and third main bevel gears 512 and 513 meshed with the first and second auxiliary bevel gears 521 and 522.
  • the rotating rod 64 integrally coupled with the second and third main bevel gears 512 and 513 rotates to rotate the remaining blades 50.
  • the three rotating rods 64 are connected in a bevel gear structure, even if only one of the three rotating rods 64 is rotated, the remaining rotating rods can be interlocked to rotate. Only one piece is needed, so the structure can be simplified.
  • the blade 50 will be described by way of example to rotate about 15 degrees clockwise.
  • the rotation angle of the blade 50 can be adjusted according to the linear reciprocating movement distance of the rack gear 152.
  • the first connecting rod 556 continues to rotate while maintaining a cone shape.
  • FIG. 24 is a view showing a blade of the wind power generator according to the sixth embodiment of the present invention.
  • the wind power generator according to the sixth embodiment of the present invention includes a plurality of unit blades 51, 52, and 53 that are manufactured by dividing the blade 50 to have a predetermined unit length d. What is made is different from the first embodiment, and will be described in detail with respect to different points, and the rest of the configuration is similar to that of the first embodiment, and thus detailed description of the similar configuration will be omitted.
  • the plurality of unit blades 51, 52, 53 is composed of three first, second, and three unit blades 51, 52, 53. Depending on the total length of the blade 50 is designed in advance, it is of course possible to divide the production into various numbers.
  • the first, second, and third unit blades 51, 52, 53 are axially coupled to the rotating rod 64 to form an integrated body. That is, since the first, second and third unit blades 51, 52 and 53 may be integrally coupled by the rotating rod 64, partial assembly is easy.
  • the blade 50 Since the blade 50 is manufactured by dividing it into unit lengths d and is easy to transport, the blade 50 can be assembled and installed in the field after transportation. In the case of one blade made of the total length (3d), it is difficult to carry or install the blade, which limits the length setting of the blade for the maximum output. Constraints on adjusting the length of the blade 50 for output can be eliminated.
  • FIG. 25 is a side view illustrating a wind speed accelerator according to a seventh embodiment of the present invention.
  • FIG. 26 is a cross-sectional view taken along the line H-H in FIG. 25.
  • a part of the side surface of the wind speed accelerator 600 according to the seventh embodiment of the present invention is different from the first embodiment, and is formed in detail by focusing on different points.
  • the rest of the configuration is similar to that of the first embodiment, and detailed description of the similar configuration will be omitted.
  • the wind speed accelerator 600 includes an upper plate 601, a lower plate 602, a side frame 603, and a side door 610.
  • the upper plate 601 and the lower plate 602 are each formed to have an arc-shaped cross section, so that the upper plate 601 covers the upper and side portions, and the lower plate 602 covers the lower and side portions.
  • the side frame 603 is connected between the upper plate 601 and the lower plate 602, and is disposed on both left and right sides of the wind speed accelerator 600, respectively.
  • the side frame 603 has a frame shape having a plurality of through holes 603a.
  • the plurality of through holes 603a are formed to be spaced apart from each other by a predetermined distance.
  • a plurality of side doors 610 are disposed to correspond to the plurality of through holes 603a.
  • the side door 610 is rotatably coupled to the side frame 603 by a hinge shaft 612.
  • the plurality of side doors 610 are provided to cover the plurality of through holes 603a, and are rotated around the hinge shaft 612 by a wind more than a set wind speed so that the plurality of through holes 603a. Open).
  • a stepped portion 611 is formed at each end of the side door 610 so that end portions of neighboring side doors 610 may face each other.
  • the side door 610 may be rotated only in the counterclockwise direction by the wind blowing from the outside, but clockwise by the wind passing through the wind speed accelerator 600 by the step portion 611. It is impossible to rotate.
  • the wind speed accelerator 600 accelerates the incoming wind.
  • the side door 610 is not opened by the wind passing through the wind speed accelerator 600. That is, even if the wind inside the wind speed accelerator 600 pushes the side door 610 in the outward direction, the right end of the side door 610 is adjacent to the stepped portion 611 of the adjacent side door 610. The side door 610 is not opened because it is locked. Therefore, since the wind passing through the wind speed accelerator 600 does not leak out, the wind speed may be smoothly performed.
  • the side door 610 is opened by the wind blowing in the lateral direction.
  • the side doors 610 located on the right side of the wind speed accelerator 600 are opened while being rotated counterclockwise by wind. do.
  • the side doors 610 located on the left side of the wind speed accelerator 600 maintain a closed state.
  • the wind passing through the through holes 603a rotates the wind speed accelerator 600 in the direction in which the wind blows. Therefore, even when the direction of the wind is changed by the side doors 610, the wind speed accelerator 600 is always rotated in the direction of the wind blowing, the blade can always rotate with sufficient wind.
  • the wind speed acceleration device 600 may play a role of not only accelerating the wind speed but also following the wind direction.
  • FIG. 27 is a view showing the configuration and operation of the blade pitching means according to the eighth embodiment of the present invention.
  • the blade pitching means 700 according to the eighth embodiment of the present invention, the pinion gear 151, the rack gear 152, the first slider 721, the second slider 722, Including the first connecting rod 731 and the second connecting rod 732 is different from the first embodiment, and the rest of the configuration is similar to the first embodiment, so that the same reference numerals are used for similar configurations and accordingly Detailed description will be omitted.
  • the first slider 721 is a mass having a predetermined mass and linearly moves along the fixed sliding rail 710.
  • the first connecting rod 731 connects the first slider 721 and the second slider 722.
  • the second connecting rod 732 connects the second slider 722 and the rack gear 152.
  • the first slider 721 moves downward.
  • the first connecting rod 731 is positioned in the horizontal direction and pushes the second slider 722.
  • the second slider 722 moves forward while sliding.
  • the forward movement of the second slider 722 is transmitted to the rack gear 152 through the second connecting rod 732.
  • the pinion gear 151 rotates clockwise as the rack gear 152 moves forward, and the rotary rod 64 and the blade 50 rotate integrally with the pinion gear 151. Therefore, the angle of the blade 50 may change according to the wind speed.

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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 un générateur d'énergie éolienne non électrique apte à suivre automatiquement le vent, lequel générateur d'énergie éolienne non électrique comporte un dispositif d'accélération de vitesse du vent de telle sorte que la vitesse du vent qui est introduit dans un boîtier de rotor est accrue de façon à rendre maximale l'efficacité de génération d'énergie même dans des zones ayant une vitesse du vent faible. En outre, la présente invention comporte un dispositif de suivi de vent de telle sorte que le boîtier de rotor est tourné en continu dans la direction du vent même lorsque la direction du vent change. Par conséquent, puisque le boîtier de rotor peut tourner par réception en continu de vent suffisant, l'efficacité de génération d'énergie peut être améliorée.
PCT/KR2013/007097 2012-09-07 2013-08-06 Générateur d'énergie éolienne non électrique apte à suivre automatiquement le vent WO2014038793A1 (fr)

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KR20120099248 2012-09-07
KR10-2012-0099248 2012-09-07
KR10-2013-0025517 2013-03-11
KR1020130025517A KR101288177B1 (ko) 2012-09-07 2013-03-11 무동력 풍향 자동 추종 풍력발전기

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Cited By (2)

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CN105804936A (zh) * 2016-05-18 2016-07-27 四川大学 一种前置调速型同步风电机组
CN118758545A (zh) * 2024-09-05 2024-10-11 华亭煤业集团有限责任公司 一种采空区漏风量定点测定装置

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Publication number Priority date Publication date Assignee Title
KR101607998B1 (ko) 2014-09-19 2016-04-01 삼성중공업 주식회사 지상풍을 활용하는 풍력발전기
KR101717131B1 (ko) 2016-10-10 2017-03-17 주식회사 지엘 풍향 추적 풍력발전기
CN110985293B (zh) * 2019-11-25 2024-12-31 浙江海洋大学 一种海洋风力发电机的保护装置

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JP2011503407A (ja) * 2007-10-11 2011-01-27 エレナ、エネルジ ２つの連続するプロペラを備えた風力タービン
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KR100737407B1 (ko) * 2005-11-23 2007-07-12 (주) 썬에어로시스 풍력발전기용 블레이드 피치조절장치
JP2011503407A (ja) * 2007-10-11 2011-01-27 エレナ、エネルジ ２つの連続するプロペラを備えた風力タービン
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Publication number Priority date Publication date Assignee Title
CN105804936A (zh) * 2016-05-18 2016-07-27 四川大学 一种前置调速型同步风电机组
CN118758545A (zh) * 2024-09-05 2024-10-11 华亭煤业集团有限责任公司 一种采空区漏风量定点测定装置

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