KR20160049752A - Wind power generator - Google Patents

Abstract

A wind power generator is disclosed. According to an embodiment of the present invention, the wind power generator comprises: a first rotating unit including a first blade receiving wind power and a generator rotor; a fixing unit having the first rotating unit provided to be rotatable in one side, and a generator stator corresponding to the generator motor; a second rotating unit including a second blade receiving the wind power, and provided to be rotatable in the other side of the fixing unit; and a gear unit for connecting the first and second rotating units to apply rotating force with the same direction to the generator rotor while the first and second rotating unit rotate in a reverse direction to each other.

Description

WIND POWER GENERATOR {WIND POWER GENERATOR}

The present invention relates to a wind turbine generator, and more particularly, to a wind turbine generator that includes a first rotating part and a second rotating part that are rotated by a wind force and rotates in the same direction And that the wind is always blown from the front of the wind power generator irrespective of the wind direction without a separate configuration.

Wind power generators are devices that generate electricity by wind power, and their use as renewable energy is increasing.

Generally, a horizontal axis wind turbine, which is connected to a generator rotor and is horizontal to the ground, is widely used. The horizontal axis generator includes a rotating unit including a hub for connecting a blade and a blade receiving wind, a nacelle having a generator rotatably connected to the rotating unit, and a tower connected to the nacelle and supporting the nacelle. It is installed in a windy place such as a coast.

As a method for increasing the amount of generated power of the horizontal axis wind power generator, there is a method of improving the shape of the blades so that the wind pressure acting on the blades increases or the drag decreases. In addition, the length of the blade is increased to increase the area of the blade receiving the wind force.

However, such a method has a problem in that the increased generator output is not large and the amount of generated power is limited.

In addition, there is a method of using a plurality of rotating parts. However, since a generator corresponding to a plurality of rotating parts must be provided, the construction is complicated and difficult to install, or the power generation amount can not be greatly increased due to interference between a plurality of rotating parts.

The present invention is realized by recognizing at least any one of the requirements or problems occurring in the conventional wind turbine as described above.

One aspect of the object of the present invention is to allow rotational force in the same direction to act on the generator rotor while the two rotating parts rotating by wind force rotate in opposite directions.

Another aspect of the object of the present invention is that the wind is always blown from the front of the wind turbine regardless of the wind direction without any other configuration.

Another aspect of the object of the present invention is to increase the power generation amount of the wind power generator.

Another aspect of the object of the present invention is to increase the power generation efficiency of the wind power generator.

The wind turbine associated with one embodiment for realizing at least one of the above-mentioned problems may include the following features.

According to an aspect of the present invention, there is provided a wind power generator including: a first rotating part including a first blade receiving wind force and a generator rotor; A fixing unit for generating electric power by including a generator stator rotatably provided at one side of the first rotation unit and corresponding to the generator rotor; A second rotating part including a second blade receiving the wind force and rotatably installed on the other side of the fixing part; And a gear portion connecting the first rotating portion and the second rotating portion such that rotational force in the same direction acts on the generator rotor while the first rotating portion and the second rotating portion rotate in opposite directions to each other; . ≪ / RTI >

In this case, the generator rotor may be rotatably installed inside the generator stator.

Further, the generator rotor and the generator stator may include permanent magnets or coils.

The first rotating part includes a first hub to which a first blade is connected; A main rotating shaft connected to the first hub and having a generator rotor and connected to the gear portion; As shown in FIG.

The fixing part may include a first body part connected to one side of the generator stator and disposed between the first hub included in the first rotation part and the generator stator; A second body connected to the other side of the generator stator and provided between the generator stator and the second rotor; And a tower installed on the ground and connected to the generator stator; As shown in FIG.

The gear portion is provided in the second body portion, and the main rotation shaft included in the first rotation portion may be connected to the gear portion through the first body portion, the generator stator, and the second body portion.

In addition, the first body may have a larger cross-sectional shape toward the generator stator.

The first body part may have a truncated conical shape.

In addition, the second body may have a shape in which the cross section becomes smaller and larger as it goes toward the second rotation part side.

The cross section of the second body portion may be larger than the cross section of the generator stator.

The second body portion may include a first support member connected to the generator stator and having a smaller cross section toward the second rotation portion side; A second support member connected to the first support member and having a smaller and larger cross section toward the second rotation unit side; And a gear support member connected to the second support member, the gear support member being provided inside the gear portion and having a larger cross section toward the second rotation portion side; . ≪ / RTI >

The first support member and the gear support member may have a truncated cone shape, and a portion of the second support member and a cross section of the gear support member may have a cross section larger than that of the generator stator.

In addition, the second rotating portion may include a second hub to which a second blade is connected and a gear portion is connected; As shown in FIG.

The gear portion includes a sun gear to which a main rotation shaft included in the first rotation portion is connected; Planetary gears meshing with sun gear; And a ring gear engaged with the planetary gear and connected to the second rotating portion; . ≪ / RTI >

In addition, the sun gear may include a first rotation coupling shaft connected to the main rotation shaft, and the ring gear may include a second rotation coupling shaft connected to a second hub included in the second rotation unit.

As described above, according to the embodiment of the present invention, the rotational force of the same direction can be applied to the generator rotor while the two rotating parts rotate in opposite directions by the gear part connecting the two rotating parts rotating by the wind force.

Further, according to the embodiment of the present invention, the wind can be always blown from the front of the wind power generator irrespective of the wind direction without any other configuration.

Further, according to the embodiment of the present invention, the power generation amount of the wind power generator can be increased.

And also, according to the embodiment of the present invention, the power generation efficiency of the wind power generator can be increased.

1 is a perspective view of a wind turbine according to an embodiment of the present invention.
2 is a cross-sectional view taken along line A-A 'in Fig.
3 is an exploded perspective view of a first rotating part of a wind power generator according to an embodiment of the present invention.
4 is an exploded perspective view of a fixed portion of a wind power generator according to an embodiment of the present invention.
5 is an exploded perspective view of a gear portion and a second rotating portion of a wind power generator according to an embodiment of the present invention.
6 is a perspective view illustrating operation of a wind turbine according to an embodiment of the present invention.
7 is a cross-sectional view illustrating operation of a wind turbine generator according to an embodiment of the present invention.
8 is a perspective view showing the operation of the gear portion according to the embodiment of the present invention.

In order to facilitate understanding of the features of the present invention, a wind turbine generator according to an embodiment of the present invention will be described in detail.

The embodiments described below will be described on the basis of embodiments best suited for understanding the technical characteristics of the present invention, and the technical features of the present invention are not limited by the embodiments described, And that the present invention may be implemented with other embodiments. Therefore, it is intended that the present invention covers the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents. In order to facilitate understanding of the embodiments to be described below, in the reference numerals shown in the accompanying drawings, among the constituent elements which perform the same function in each embodiment, the related constituent elements are indicated by the same or an extension line number.

Hereinafter, a wind turbine generator according to an embodiment of the present invention will be described with reference to FIGS. 1 to 8. FIG.

FIG. 1 is a perspective view of a wind turbine according to an embodiment of the present invention, and FIG. 2 is a sectional view taken along line A-A 'of FIG.

FIG. 3 is an exploded perspective view of a first rotating part of a wind turbine according to an embodiment of the present invention, FIG. 4 is an exploded perspective view of a fixing part of a wind turbine according to an embodiment of the present invention, Fig. 2 is an exploded perspective view of a gear portion and a second rotating portion of a wind power generator according to an embodiment.

FIG. 6 is a perspective view showing the operation of the wind power generator according to the embodiment of the present invention, FIG. 7 is a sectional view showing the operation of the wind power generator according to the embodiment of the present invention, And Fig.

The wind turbine according to an embodiment of the present invention may include a first rotating part 200, a fixing part 300, a second rotating part 400, and a gear part 500.

The first rotating part

The first rotary part 200 may include a first blade 210 and a generator rotor 220. The first blade 210 can receive wind power. Accordingly, the first rotary part 200 can be rotated as shown in FIG. For example, clockwise as shown.

As shown in FIGS. 1 and 3, the first blade 210 may have the same shape as a blade used in a general wind turbine, that is, a wavy shape with its width decreasing toward one end, and the cross section may be an airfoil.

However, the shape of the first blade 210 is not particularly limited, and any shape can be used as long as it can receive wind power.

The generator rotor 220 may be rotatably installed in the generator stator 310, which will be described later, included in the fixed portion 300. And, the generator rotor 220 may include a permanent magnet or a coil.

Accordingly, a magnetic field can be formed around the generator rotor 220, and power can be generated by the interaction of the magnetic field formed around the generator rotor 220 and the magnetic field formed in the generator stator 310.

The configuration of the generator rotor 220 is not particularly limited and any known configuration is possible as far as it is capable of forming a magnetic field capable of interacting with a magnetic field formed in the generator stator 310 including a permanent magnet or a coil.

The first rotary part 200 may further include a first hub 230 and a main rotary shaft 240 in addition to the first blade 210 and the generator rotor 220 described above.

The first hub 230 may be connected to the first blade 210. For this purpose, for example, a connection hole 231 may be formed in the first hub 230, and a connection portion 211 may be provided in the first blade 210. The connection portion 211 of the first blade 210 is inserted into the connection hole 231 of the first hub 230 and can be connected by interference fit, welding, bolt or the like.

However, the configuration in which the first blades 210 are connected to the first hub 230 is not particularly limited, and any well-known connection configuration is possible.

The first blades 210 may be connected to the first hub 230 at predetermined angular intervals. For example, as shown in FIG. 1, three first blades 210 may be connected to the first hub 230 at intervals of 120 ° in the first hub 230.

However, the number of the first blades 210 connected to the first hub 230 and the angle between the first blades 210 are not particularly limited, and any number or angle can be used. For example, four or five first blades 210 may be connected to the first hub 230 at 90 ° or 72 ° intervals in the first hub 230.

The main rotation shaft 240 may be connected to the first hub 230. In addition, the main rotor shaft 240 may be provided with the generator rotor 220 described above. 6, when the first blade 210 receives the wind force, the first hub 230 and the main rotation shaft 240 can rotate together as shown in FIG. Thereby, the generator rotor 220 provided on the main rotating shaft 240 can also rotate.

The main rotation shaft 240 may be connected to the gear portion 500. The gear portion 500 may be provided in the second body portion 330, which will be described later, included in the fixing portion 300. The main rotation shaft 240 may be connected to the gear unit 500 through the first body 320, the generator stator 310, and the second body 330, which will be described later, included in the fixing unit 300 have.

Thus, not only the rotational force of the first rotating part 200 but also the rotating force of the second rotating part 400 connected to the gear part 500 can act on the main rotating shaft 240. Even if the first rotating part 200 and the second rotating part 400 rotate in different directions as shown in FIG. 6, rotational force in the same direction can act on the main rotating shaft 240.

Since the rotational force of the first rotary part 200 and the rotational force of the second rotary part 400 act on the main rotary shaft 240 in the same direction, the generator rotor 220 provided in the main rotary shaft 240 also has the first The rotating force of the rotating part 200 and the rotating force of the second rotating part 400 can act in the same direction.

Thereby, the rotational speed of the generator rotor 220 can be greatly increased as compared with the case where the rotational speed of the generator rotor 220 is rotated by one rotating portion. Therefore, the power generation amount can be increased and the efficiency of the wind power generator 100 can also be increased.

[0035]

The first rotation part 200 may be rotatably installed on one side of the fixing part 300. The fixing portion 300 may include a generator stator 310 corresponding to the generator rotor 220.

The main rotation shaft 240 of the first rotation part 200 passes through the first body part 320 of the fixing part 300 and the generator stator 310 and the second body part 330, And may be connected to a gear portion 500 provided inside the body portion 330. In addition, a generator rotor 220 may be rotatably installed in the generator stator 310.

The generator stator 310 may comprise a permanent magnet or a coil. Accordingly, a magnetic field can be formed in the generator stator 310. Power can be generated by the interaction of the magnetic field formed in the generator stator 310 and the magnetic field formed around the generator rotor 220 as described above.

The configuration of the generator stator 310 is not particularly limited and any known configuration is possible as far as it is capable of forming a magnetic field capable of interacting with a magnetic field formed around the generator rotor 220 including a permanent magnet or a coil.

As shown in FIGS. 1 and 4, a plurality of heat dissipating members 311 may be provided on the outer circumference of the generator stator 310 in parallel to the second rotation unit 400. By this, The heat generated in the generator stator 310 can be easily discharged to the outside.

The fixing part 300 may further include a first body part 320, a second body part 330, and a tower 340.

1 and 2, the first body 320 is connected to one side of the generator stator 310 and is disposed between the first hub 320 of the first rotation part 200 and the generator stator 310 .

The structure in which the first body part 320 is connected to one side of the generator stator 310 is not particularly limited and may be any known structure such as a bolt or the like.

The first body portion 320 may have a larger cross-sectional shape toward the generator stator 310 side. Accordingly, as shown in FIG. 7, the air having passed through the first blade 210 can flow naturally to the second rotating part 400 along the first body part 230.

As shown in FIGS. 1 and 4, the first body 320 may have a truncated conical shape. However, the shape of the first body portion 320 is not particularly limited, and any shape may be used as long as the cross-sectional shape increases toward the generator stator 310 side.

The second body part 330 may be connected to the other side of the generator stator 310 and may be provided between the generator stator 310 and the second rotation part 400.

The structure in which the second body portion 330 is connected to the other side of the generator stator 310 is not particularly limited and may be any known structure such as being connected by bolts or the like.

The second body 330 may have a smaller cross-sectional shape toward the second rotary part 400 and a larger cross-sectional shape. In addition, the cross section of the second body portion 330 may be larger than the cross section of the generator stator 310 at a portion where the cross section of the second body portion 330 increases.

Thereby, when the wind blows obliquely without blowing to the front of the wind turbine generator 100, the air flows along the second body part 330, and a pressure difference of air is generated on the side surface of the second body part 330 .

If the generator stator 310 is rotatably connected to the tower 340 because the forces acting on the side surfaces of the second body 330 are different from each other, 340, respectively. The rotation of the generator stator 310 may be performed until the force due to the pressure acting on the side surface of the second body 330 becomes equal.

Therefore, regardless of the wind direction, the wind can be always blown to the front of the wind power generator 100 without any other configuration. Accordingly, the first blade 210 and the second blade 410 can always operate with the maximum wind force that can act on the first blade 210 and the second blade 410.

In addition, due to the above-described shape of the second body part 330, turbulence is generated while the air passing through the first blade 210 flows to the second rotating part 400 along the second body part 330 Can be minimized. Accordingly, the resistance against the flow of air is minimized, so that the reduction of the wind force acting on the second rotary part 400 by the resistance of the air can be minimized.

Since the flow rate of the air increases as the second rotary part 400 approaches the second blade 410, the wind force acting on the second blade 410 can be increased.

Accordingly, the rotational force generated by the second rotating portion 400 can be increased. The rotational force transmitted to the generator rotor 220 through the gear portion 500 can also be increased. Therefore, the rotation speed of the generator rotor 220 is increased, so that the power generation amount can be increased and the efficiency of the wind power generator 100 can be increased.

The second body portion 330 may include a gear portion 500. The main rotating shaft 240 of the first rotating part 200 may be connected to the gear part 500 through the first body part 320, the generator stator 310 and the second body part 330.

The second body portion 330 may include a first support member 331, a second support member 332, and a gear portion support member 333.

The first support member 331 may be connected to the generator stator 310. The configuration in which the first support member 331 is connected to the generator stator 310 is not particularly limited and may be any known configuration such as being connected by a bolt or the like.

The first support member 331 may be smaller in cross section toward the second rotation part 400 side. As shown in FIGS. 1 and 4, the first support member 331 may have a truncated conical shape. However, the shape of the first supporting member 331 is not particularly limited, and any shape can be used as long as the shape is reduced as the area toward the second rotating portion 400 side.

The second support member 332 is connected to the first support member 331 and has a smaller cross-sectional area toward the second rotation unit 400 side. The configuration in which the second support member 332 is connected to the first support member 331 is not particularly limited and may be any known configuration such as being connected by a bolt or the like.

A portion of the second support member 331, for example, connected to the gear portion support member 333, may have a larger cross section than the cross section of the generator stator 310.

The gear portion support member 333 may be connected to the second support member 332. The configuration in which the gear portion support member 333 is connected to the second support member 332 is not particularly limited and may be any known configuration such as being connected by a bolt or the like.

The gear portion support member 333 may be provided with a gear portion 500 therein. In addition, the gear portion support member 333 may have a larger cross-section toward the second rotating portion 400 side. As shown in Figs. 1 and 4, the gear portion supporting member 333 may have a truncated cone shape.

However, the shape of the gear portion support member 333 is not particularly limited, and any shape can be used as long as the shape of the gear portion supporting member 333 increases toward the second rotating portion 400 side. The cross section of the gear portion support member 333 may have a larger cross section than the cross section of the generator stator 310.

The tower 340 may be installed on the ground. For example, the tower 340 may be installed in the vicinity of the top of the mountain or in a windy place such as the coast. In addition, the tower 340 may be connected to the generator stator 310 as shown in FIGS.

The generator stator 310 may be rotatably connected to the tower 340. Thereby, the generator stator 310 can be rotated about the tower 340 so that the wind always blows to the front of the wind power generator 100, as described above.

The structure in which the generator stator 310 is connected to the tower 340 is not particularly limited, and any known structure including a bolt, a bearing, and the like can be used.

The second rotating part

The second rotary part 400 may include a second blade 410. 7, after the first blade 210 of the first rotary part 200 receives the wind force, air that has flowed along the fixing part 300 after passing through the first blade 210 The second blade 410 can pass through the second blade 410 to receive the wind force. As a result, the second rotation part 400 can be rotated as shown in FIG.

The second rotation part 400 may be rotatably installed on the other side of the fixing part 300. The second rotation part 400 is connected to the gear part 500 provided in the gear part support member 333 of the second body 330 of the fixing part 300 so that the second rotation part 400 rotates on the other side of the fixing part 300 .

The second blade 410 may have a shape different from that of the first blade 210. For example, the second blade 410 may have a width larger than the width of the first blade 210 and may have a wavy shape with a small degree of change in width toward one end, and the cross-section may be an airfoil. In addition, the length of the second blade 410 may be shorter than the length of the first blade 210.

Thus, the air that has passed through the first blade 210 and flows along the fixed portion 300 can pass through the second blades 410, so that the wind force acts on the second blades 410.

However, the shape of the second blade 410 is not particularly limited, and air flowing along the fixed portion 300 through the first blade 210 may pass through the second blade 410 while passing through the second blade 410 Of the present invention can be any shape as long as it is capable of exerting wind force.

The second rotation unit 400 may further include a second hub 420. A second blade 410 may be connected to the second hub 420. The second blade 410 is inserted into a connection hole (not shown) formed in the second hub 420 such that the connection portion (not shown) of the second blade 410 is inserted into the connection hole It can be connected by fitting, welding, bolt or the like.

However, the configuration in which the second blade 410 is connected to the second hub 420 is not particularly limited, and any well-known connection configuration is possible.

The second blades 410 may be connected to the second hub 420 at predetermined angular intervals. For example, as shown in FIG. 1, six second blades 410 may be connected to the second hub 420 at intervals of 60 ° in the second hub 420.

However, the number of the second blades 410 coupled to the second hub 420 and the angle between the second blades 410 are not particularly limited, and any number or angle can be used. For example, four or five second blades 410 may be connected to the second hub 420 at 90 ° or 72 ° intervals in the second hub 420.

The second hub 420 may be connected to the gear portion 500. For example, a second hole 420 is formed in the second hub 420 and a second rotation connecting shaft 531 provided in the ring gear 530, which will be described later, included in the gear portion 500 is connected to the second hub 420 And can be connected by interference fit, welding, bolt, or the like.

However, the configuration in which the gear portion 500 is connected to the second hub 420 is not particularly limited, and any well-known connection configuration is possible.

Gear portion

6, the gear portion 500 includes a first rotation portion 200 and a second rotation portion 300 so that a rotational force in the same direction acts on the generator rotor 220 while the first rotation portion 200 and the second rotation portion 400 are rotated in opposite directions, And the second rotation unit 400 can be connected to each other.

Since the rotational force of the generator rotor 220 is applied to the generator rotor 220 by the first and second rotors 200 and 400 in the same direction, Can be significantly increased. Therefore, the power generation amount can be increased and the efficiency of the wind power generator 100 can also be increased.

To this end, the gear portion 500 may include a sun gear 510, a planetary gear 520, and a ring gear 530 as shown in Fig.

A main rotation shaft 240 of the first rotation part 200 may be connected to the sun gear 510. Accordingly, the sun gear 510 can rotate in the same direction as the rotation direction of the main rotation shaft 240, for example, clockwise as shown in Fig.

The sun gear 510 may be provided with a first rotation connecting shaft 511 as shown in FIG. The main rotation shaft 240 of the first rotation part 200 may be connected to the first rotation connection shaft 511 of the sun gear 510.

For example, as shown in FIG. 5, a connection portion 241 may be provided on the main rotation shaft 240, and a connection hole 511a may be formed on the first rotation connection shaft 511. The connection portion 241 of the main rotation shaft 240 is inserted into the connection hole 511a of the first rotation connection shaft 511 and can be connected by interference fit, welding, bolt or the like.

However, the configuration in which the main rotation axis 240 of the first rotation part 200 is connected to the sun gear 510 is not particularly limited, and any well-known connection configuration is possible.

The planetary gear 520 can be engaged with the sun gear 510 as shown in Fig. The planetary gears 520 can be engaged with the sun gear 510 at intervals of 120 [deg.] As shown.

However, the angle between the number of the planetary gears 520 engaged with the sun gear 510 and the planetary gears 520 is not particularly limited, and any number or angle is possible.

The planetary gear 520 can be engaged with the ring gear 530. The ring gear 530 may be provided with a gear inside the ring-shaped portion. Then, a part of the planetary gear 520 can be engaged with the sun gear 510 and the other part can be engaged with the ring gear 530 as described above.

The ring gear 530 may be connected to the second rotating part 400. The ring gear 530 may be provided with a second rotation connecting shaft 531. The second rotation connecting shaft 531 of the ring gear 530 is inserted into the connecting hole 421 formed in the second hub 420 of the second rotating part 400 and is connected to the second rotating part 400 by welding, .

However, the configuration in which the ring gear 530 is connected to the second rotation part 400 is not particularly limited, and any well-known connection configuration is possible.

6, when the second rotation part 400 rotates in the counterclockwise direction opposite to the first rotation part 200 that rotates in the clockwise direction, the ring gear 530 is rotated in the clockwise direction It is possible to rotate counterclockwise as shown in Fig.

When the ring gear 530 rotates counterclockwise in this manner, the planetary gear 520 can also rotate counterclockwise as shown in Fig. The rotation of the planetary gear 520 in the counterclockwise direction causes the sun gear 510 to rotate in the clockwise direction as shown in FIG.

On the other hand, the main rotation shaft 240, which is connected to the sun gear 510, also rotates in the clockwise direction by the rotational force in the clockwise direction as described above.

Therefore, clockwise rotation force acts on the main rotation shaft 240 by the rotation of the first rotation part 200 in the clockwise direction, and rotation of the main rotation shaft 240 by the rotation of the second rotation part 400 in the counter- A rotational force in a clockwise direction can be applied through the gear portion 500.

That is, clockwise rotational force acts on one side and the other side of the main rotation shaft 240.

Accordingly, even if the first rotary part 200 and the second rotary part 400 rotate in opposite directions, rotational force in the same direction can be applied to the generator rotor 220 provided in the main rotary shaft 240.

The gear unit 500 may further include a support frame 540 and a cover member 550 as shown in FIG.

The support frame 540 may be fixed to the gear portion support member 333 by bolts, welding or the like. The support frame 540 may include a gear connection portion 541 to which the planetary gear 520 is rotatably connected as shown in Fig. The gear connection portion 541 may be a number corresponding to the number of the planetary gears 520. For example, in the case of three planetary gears 520 as shown in Fig. 5, there may be three gear connection portions 541 as well. However, the number of the gear connection portions 541 is not particularly limited, and any number of gears may be used as long as it corresponds to the number of the planetary gears 520.

A through hole 542 through which the first rotation connecting shaft 511 of the sun gear 510 passes may be formed in the support frame 540.

The cover member 550 can be connected to the gear portion support member 333 so as to cover the open side of the gear portion support member 333. [ The configuration in which the cover member 550 is connected to the gear portion support member 333 is not particularly limited and may be any known connection structure such as being connected by bolts or the like.

The cover member 550 may be formed with a through hole 551 through which the second rotation connecting shaft 531 of the ring gear 530 passes.

As described above, by using the wind power generator according to the present invention, it is possible to cause the rotational force of the same direction to act on the generator rotor even when the two rotating parts rotating by the wind force are rotated in mutually opposite directions. Can always be blown from the front of the wind turbine generator, the power generation amount of the wind turbine generator can be increased, and the power generation efficiency of the wind turbine generator can be increased.

The wind turbine described above is not limited to the configuration of the embodiment described above, but the embodiments may be configured by selectively combining all or some of the embodiments so that various modifications may be made.

100: wind turbine generator 200: first rotating part
210: first blade 211, 241:
220: generator rotor 230: first hub
231, 421, 511a: connection hole 240: main rotation axis
300: fixing part 310: generator stator
311: heat radiating member 320: first body part
330: second body part 331: first supporting member
332: second supporting member 333: gear part supporting member
340: tower 400: second rotating part
410: second blade 420: second hub
500: gear portion 510: sun gear
511: first rotation connecting shaft 520: planetary gear
530: ring gear 531: second rotation connecting shaft
540: Support frame 541: Gear connection
542,551: through hole 550: cover member

Claims (15)

A first rotating part including a first blade receiving a wind force and a generator rotor;
A fixing unit for generating electric power by including a generator stator rotatably installed at one side of the first rotation unit and corresponding to the generator rotor;
A second rotating part including a second blade receiving wind force and rotatably installed on the other side of the fixing part; And
A gear portion connecting the first rotating portion and the second rotating portion such that a rotational force in the same direction acts on the generator rotor while the first rotating portion and the second rotating portion rotate in opposite directions;
. The wind power generator according to claim 1, wherein the generator rotor is rotatably disposed inside the generator stator. 3. The wind turbine generator of claim 2, wherein the generator rotor and the generator stator comprise permanent magnets or coils. 2. The apparatus according to claim 1, wherein the first rotating portion
A first hub to which the first blade is connected; And
A main rotary shaft connected to the first hub and having the generator rotor and connected to the gear unit;
And a wind turbine. 2. The apparatus of claim 1,
A first body part connected to one side of the generator stator and provided between a first hub included in the first rotation part and the generator stator;
A second body connected to the other side of the generator stator and provided between the generator stator and the second rotating part; And
A tower installed on the ground and connected to the generator stator;
And a wind turbine. 6. The apparatus according to claim 5, wherein the gear portion is provided in the second body portion,
Wherein the main rotating shaft included in the first rotating portion is connected to the gear portion through the first body portion, the generator stator, and the second body portion. 6. The wind power generator according to claim 5, wherein the first body portion has a shape having a larger cross-section toward the generator stator side. 8. The wind power generator according to claim 7, wherein the first body portion has a truncated cone shape. The wind power generator according to claim 5, wherein the second body portion has a shape in which the cross section becomes smaller and larger as it goes toward the second rotating portion side. 10. The wind turbine generator according to claim 9, wherein a cross section of the second body portion increases at a larger cross section than a cross section of the generator stator. 6. The apparatus of claim 5, wherein the second body
A first supporting member connected to the generator stator and having a smaller cross section toward the second rotating portion;
A second support member connected to the first support member and having a smaller and larger cross section toward the second rotation unit side; And
A gear support member connected to the second support member, the gear support member having the gear portion inside and having a larger cross section toward the second rotation portion side;
. 12. The apparatus according to claim 11, wherein the first support member and the gear support member are frusto-conical,
Wherein a portion of the second support member and a cross section of the gear portion support member have a cross section larger than that of the generator stator. [2] The apparatus of claim 1, wherein the second rotating portion includes: a second hub connected to the second blade and connected to the gear portion; And a wind turbine. 2. The apparatus according to claim 1,
A sun gear to which a main rotation shaft included in the first rotation portion is connected;
A planetary gear engaged with the sun gear; And
A ring gear engaged with the planetary gear and connected to the second rotating portion;
. 15. The sun gear according to claim 14, wherein the sun gear is provided with a first rotation coupling shaft connected to the main rotation shaft,
Wherein the ring gear includes a second rotation connection shaft connected to a second hub included in the second rotation portion.

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