WO2013005874A1

WO2013005874A1 - Wind turbine apparatus having improved rotational efficiency

Info

Publication number: WO2013005874A1
Application number: PCT/KR2011/004909
Authority: WO
Inventors: 정영조
Original assignee: 주식회사 한국에너지개발
Priority date: 2011-07-05
Filing date: 2011-07-05
Publication date: 2013-01-10

Abstract

The present invention relates to a wind turbine apparatus for generating electricity by receiving a rotational force from a rotating body rotated by wind, and more particularly, to a wind turbine apparatus having improved rotational efficiency, which is capable of adjusting the direction of the rotating body according to the wind and automatically placing rotating wings into a vertical or a horizontal position, thereby minimizing wind resistance and improving the rotational efficiency of the rotating body so as to thereby improve generating efficiency.

Description

Wind power plant improves rotational efficiency

The present invention relates to a wind power generator that is generated by receiving rotational force from a rotating body rotated by wind power, and in particular, the direction of the rotating body can be adjusted according to the wind direction, and as the rotor blades are automatically switched vertically or horizontally, The present invention relates to a wind power generation device that improves rotational efficiency by minimizing air resistance, thereby improving rotational efficiency of the rotor and maximizing power generation efficiency.

In general, wind power is generated by receiving rotational force from a rotating body rotated by wind. The wind power generator is classified into a horizontal shaft windmill in which the rotor rotates vertically and a vertical shaft windmill in which it rotates horizontally.

At this time, the propeller is mainly used in the case of the horizontal axis windmill, which is rotated by a certain direction of the wind, it is not easy to adjust the direction of the wind and the propeller-type wind power generator currently in operation, the main tower is 40 ~ 80m or more, the propeller Rotating diameters are also produced correspondingly, with efficiency only about 20% relative to their size.

In addition, there is a disadvantage that the installation is not easy near the residential area due to the noise generated as the rotating body rotates.

Therefore, the present invention has been made to solve the above-described problems, and the direction of the rotating body can be adjusted according to the wind direction, and the rotating blade is automatically switched vertically or horizontally to minimize the air resistance to improve the rotating efficiency of the rotating body. It is an object of the present invention to provide a wind turbine generator with improved rotational efficiency.

The rotating part and the rotating part which is coupled to the upper part of the fixing part in a fixed part and a cylindrical shape fixed to the wind power generator improved surface rotation efficiency according to the present invention for achieving the above object is rotated by the wind power In the wind power generator comprising a power generation means for generating power received from the rotational force, The rotating part, the main body is rotated from the fixed portion and a predetermined space is provided therein and the top is opened; A fixed blade coupled to the outer surface of the main body in a vertical direction to fix the position by rotating the main body according to the wind direction; A plurality of rotating shafts installed to be rotated in the center of the space of the main body, radially coupled to form a right angle with the rotating shaft along the outer surface of the rotating shaft, and having one end extending to the outer side of the main body and being rotated from the outer surface of the rotating shaft, respectively; Rotating means consisting of a connecting frame and a rotary blade coupled to one end of each connecting frame; The first stick is coupled to each of the connection frame in the vertical or horizontal direction at the inside of the main body and a second stick orthogonal to the first stick and coupled to each of the connection frame to have a predetermined separation distance A direction stick; Rotate the first stick to maintain the rotary blade vertically, the accompaniment of the inner surface of the main body protrudes inwardly and the first rail and the second stick to rotate to maintain the rotary blade horizontally A turning rail formed of a second rail which is formed from one side of the first rail to the other side and is disposed inside the first rail; Rollers coupled to one portion of each of the connection frames from the outside of the main body; And a guide rail which protrudes along the upper outer surface of the main body so as to contact the roller and maintains a horizontal level of the connecting frame which is rotated.

According to an embodiment of the present invention, a rotating ring disposed to surround the outer surface of the main body at a lower portion of the guide rail and a fixed rail and the rotating ring protruded along the outer surface of the main body from the lower portion of the rotating ring. It is further coupled to the separation prevention means consisting of a plurality of fixed rollers are disposed between the guide rail and the fixed rail and the separation prevention member is coupled to one side and the other side is coupled to the side of the rotary ring to rotate the respective connection frame. Can be configured.

In addition, the present invention is coupled to a plurality of coupling flanges formed in the through hole along the outer surface of the upper portion of the fixing portion and the main body of the rotating unit, respectively, characterized in that by coupling the opposite coupling flanges to fix the rotating portion. to be.

The present invention according to another embodiment may be configured to further include a lifting means for elevating the direction change rail is installed in the space of the main body and a control unit for controlling the elevating means.

Here, the elevating means is installed in the space of the main body is coupled to the motor and the side of the first rail provided with power by the control of the control unit and the lifting plate and a plurality of lifting nuts are formed perpendicular to each lifting nut A plurality of lifting bolts coupled to each other in a direction to rotate the power of the motor to lift or lower the first rail, and to support the first rail passing through at least a portion of the lifting plate in a vertical direction. It is characterized by consisting of the support shaft.

Meanwhile, the rotating blade of the present invention has a flat plate shape, and a curved portion is formed in which both ends of one side and the other side are bent inward to improve rotational efficiency regardless of the direction of the blowing wind.

In addition, the rotating shaft includes a protective cover configured to be coupled to and separated from the upper portion to protect the interior of the space of the main body from rainwater.

In addition, both ends of the first rail and the second rail are formed to be inclined downward by a predetermined angle so that the stable direction of the upper and lower sticks can be achieved.

As described above, the wind power generator having improved rotational efficiency according to the present invention is capable of controlling the direction of the rotating part according to the wind direction so that the wind power is effectively operated, and at the point where the rotary blades rotated by the wind blow the wind. Vertically, the opposite point is automatically switched horizontally to minimize the air resistance, thereby improving the rotational efficiency of the rotating body and consequently maximize the power generation efficiency.

1A and 1B are perspective views illustrating a wind power generator having improved rotational efficiency according to the present invention.

2 is a plan view of FIG. 1A;

Figure 3a is a view for explaining the operating state of the wind turbine generator with improved rotational efficiency according to the present invention.

Figure 3b is a cross-sectional view of the turning rail according to the present invention.

Figure 4 is a perspective view showing the departure prevention means according to a preferred embodiment of the present invention.

5 is a perspective view showing a coupling flange according to a preferred embodiment of the present invention.

6 is a perspective view showing the lifting means according to a preferred embodiment of the present invention.

7 is a perspective view showing a protective cover according to a preferred embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in more detail with reference to the accompanying drawings.

1A and 1B are perspective views illustrating a wind power generator having improved rotational efficiency according to the present invention, FIG. 2 is a plan view of FIG. 1A, and FIG. 3A is an operating state of the wind power generator having improved rotational efficiency according to the present invention. 3B is a cross-sectional view of a turning rail according to the present invention.

In addition, Figure 4 is a perspective view showing a separation preventing means according to a preferred embodiment of the present invention, Figure 5 is a perspective view showing a coupling flange according to a preferred embodiment of the present invention, Figure 6 is a preferred embodiment of the present invention 7 is a perspective view showing the lifting means, Figure 7 is a perspective view showing a protective cover according to a preferred embodiment of the present invention.

The present invention is a wind power generator that is generated by receiving a rotational force from a rotating body rotated by wind power, in particular, the direction of the rotating body can be adjusted according to the wind direction and the rotor blades are automatically switched vertically or horizontally to minimize the air resistance By improving the rotational efficiency of the rotor and consequently, the present invention relates to a wind power generator having improved rotational efficiency that can maximize power generation efficiency.

The wind power generator according to the present invention shown in Figure 1a is a fixed portion 10, the rotating portion 20 is coupled to the upper portion of the fixed portion 10 and configured to rotate by the wind power and the rotational force from the rotating portion 20 It is configured to include a power generation means 30 to receive and produce power.

The fixing part 10 is fixedly installed on the ground, and supports the rotating part 20 coupled to the upper part to be rotatable. In addition, the fixing unit 10 may be provided with a power generation means 30 generated by using the rotational force transmitted from the rotating unit 20.

Here, the power generation means 30 is to be generated by receiving a rotational force from the rotating portion 20 is coupled to the upper portion of the fixing portion 10, the power generation structure and power generation method can be implemented in various ways according to the known art In the present invention, a detailed description of the power generation means 30 will be omitted.

On the other hand, the rotating unit 20 is the main body 200 forming the outer surface and the fixed blade 210 is coupled to the outer surface of the main body 200 and the rotating means 220 is installed to be rotatable from the top of the main body 200 And a roller 250 and a guide rail 260 for stably rotating the rotating means 220 on the upper portion of the main body 200.

The main body 200 is coupled to an upper portion of the fixing part 10, and is installed to be rotatable from the fixing part 10.

For example, the lower shaft of the main body 200 may be coupled to the upper shaft of the fixing part 10 in a bearing structure, and the outer side of the main body 200 may be formed at one side of the main body 200 from the longitudinal direction of the main body 200. As the fixed blade 210 is coupled in the vertical direction, the main body 200 is rotated to correspond to the wind direction and the position thereof is fixed. That is, the fixed blade 210 moves the main body 200 in the opposite direction of the wind blowing in the direction of the wind blowing, and maintains the position of the main body 200 in the opposite direction of the wind blowing the main body The 200 will be fixed. At this time, the position of the main body 200 is determined by the fixed blade 210, it is natural that it can be changed according to the wind direction.

The wind vane 211 and the rotating motor 212 may be further included in addition to the fixed blade 210. The wind vane 211 and the rotary motor 212 also perform a function of rotating the main body 200 in a direction in which the wind blows like the fixed blade 210.

As an example, the wind vane 211 is digitally installed to be positioned above the main body 200 as shown in FIG. 1B and rotates according to the wind direction and collects wind direction information in real time.

The rotary motor 212 is installed inside the main body 200 and is operated according to the real-time wind direction information collected from the wind vane 211, thereby rotating the main body 200. Here, the rotary motor 212 is provided with a controller (not shown), the controller receives the information of the wind vane 211 to determine the direction of the wind blowing, the main body in the opposite direction of the wind blowing The rotary motor 212 is controlled to rotate 200.

That is, the direction in which the wind is blown in real time from the wind vane 211, and the rotary motor 212 equipped with a controller is the main body 200 in the opposite direction of the wind blows from the information of the wind vane 211 To rotate in real time.

As such, the wind vane 211 and the rotating motor 212 are provided together with the fixed blade 210 so that the main body 200 rotates according to the direction in which the wind blows. Accordingly, the rotating means 220 will be described below. ) Is able to easily rotate the wind hit the front.

In addition, the main body 200 is configured to have a larger outer diameter than the outer diameter of the fixing portion 10 in a cylindrical shape as shown in Figure 1a and is configured to surround the upper portion of the fixing portion 10 from the rainwater It is possible to protect the upper space of the fixing portion (10). In addition, a predetermined space 201 is provided inside the main body 200, and the rotating means 220 is installed in the space 201, and an upper surface thereof is configured to be open to expose the internal space 201. have.

The rotating means 220 is coupled to the rotary shaft 221 is installed in the center of the main body 200 and a plurality of connection frames 222 and radially coupled to the rotary shaft 221 and one end of each connection frame 222 Rotating blade 223 is composed of.

Specifically, the rotating shaft 221 is installed in the center of the space 201 of the main body 200, a part of which is exposed to the upper side of the main body 200, and configured to be rotated separately from the main body 200 It is. The rotary shaft 221 is rotated by the connecting frame 222 and the rotary blade 223 to be described later to substantially provide a rotational force to the power generating means 30, the power generation is made, preferably the rotary shaft 221 A predetermined power generation device (not shown) is coupled to the lower side of the power generator so as to generate power by working with the power generation means 30.

The connecting frame 222 is composed of a plurality of radially coupled along the outer surface of the rotating shaft 221, is to form a right angle with the rotation 221 and one end is extended to the outside of the main body 200. . At this time, the other end of each of the connection frame 222 is rotatably configured by being coupled to the outer surface of the rotary shaft 221 in a bearing structure.

The rotary blade 223 is coupled to one end of the connecting frame 222 extending to the outside of the main body 200.

Here, the rotary blade 223 according to the present invention is configured in a flat plate shape as shown in Figures 1a to 3a to act on the wind power. In addition, the rotary blade 223 may be manufactured in a light weight so as to improve the rotational efficiency, for example, may be composed of a thin metal plate or synthetic resin material.

In particular, the rotary blade 223 coupled to the connection frame 222 is to rotate the rotary shaft 221 by the wind, according to a preferred embodiment of the present invention, the rotary shaft regardless of the direction of the wind blowing A curved portion 224 is formed in which both ends of one side and the other side of the flat plate are bent inward to rotate the 221 efficiently. In addition, since the connecting frame 222 can be rotated separately from the rotating shaft 221, the plate of the rotary blade 223 is configured so that the angle can be switched in the vertical or horizontal direction from the rotating shaft 221.

As described above, the rotary blade 223 may be switched in the vertical or horizontal direction from the rotary shaft 221, and the rotary blade according to the wind direction by the direction change stick 230 and the direction change rail 240 to be described below. The angle of 223 can be switched and maintain that angle.

Specifically, as illustrated in the plan view of FIG. 2 and FIG. 3A, the direction change stick 230 may be coupled to a vertical or horizontal direction at one portion of each of the connection frames 222 inside the main body 200. The first stick 231 and the second stick 231 are orthogonal to the first stick 231 and coupled to each connection frame 222 to have a predetermined distance.

In addition, the turning rail 240 rotates the first stick 231 to rotate the rotary blade 223 in the vertical direction and the accompaniment of the inner surface of the main body 200 to maintain the rotated angle inside Rotating the first rail 241 and the second stick 232 is formed so that the first stick 231 is in contact when the connecting frame 222 is coupled to the rotating shaft 221 is coupled to the The rotary blade 223 is rotated in a horizontal direction and is formed from one side where the first rail 241 starts to the other side where the first rail 241 ends in the space of the main body 200 to maintain the rotated angle. The second rail 242 is disposed inward from the first rail 241 and is configured to contact the second stick 232.

In this case, both ends of the first rail 241 and the second rail 242 are formed to be inclined downward by a predetermined angle as shown in FIG. 3B, so that the first stick 231 and the second stick 232 may be inclined. It is reasonable to ensure a stable turn.

Looking at the operating state of the wind turbine generator according to the invention with reference to Figure 3a, first, the main body 200 is stopped in accordance with the wind direction in the upper portion of the fixing portion 10 in the direction of the wind blown by the fixed blade 210 The position, that is, rotates to the opposite direction from which the wind blows, is maintained.

At the same time, as the wind power acts on the rotary blade 223, the rotary shaft 221 to which the rotary blade 223 and the connection frame 222 are coupled is rotated. The first stick 231 of the connection frame 222 is in contact with the first rail 241 formed on the inner surface of the main body 200 is converted in the vertical direction, and the vertical direction until the end of the first rail 241 Will be maintained.

In addition, the rotary shaft 221 is rotated to the opposite side of the wind by the rotary blade 223 and the connection frame 222, at this point the second stick 232 of the connection frame 222 is the first While contacting the second rail 242 located inside the rail 241, the rotary blade 223 is converted to the horizontal direction is maintained in the horizontal direction to the point where the second rail 242 ends. .

Each of the rotary blades 223 continuously maintains the vertical direction at the point where the wind blows as the above operating state is continuously performed, and is maintained at the opposite point in the horizontal direction, thereby minimizing air resistance, thereby improving rotational efficiency. will be.

Here, the number of the connecting frame 222 radially coupled to the rotary shaft 221 and the number of rotary wings 223 coupled to one end thereof are illustrated as four in FIGS. 1A to 3A, but the present invention relates to the connecting frame 222. And not limited to the number of the rotary blades 223 can be selectively increased in consideration of the power production according to the size of the wind turbine, and the increased operating state of the connection frame 222 and the rotary blades 223 Of course, it can be made in the same manner as described above.

Meanwhile, in order to stably rotate the rotating shaft 221 on the main body 200 while maintaining the horizontal of the connecting frame 222 that is rotated, the wind turbine generator according to the present invention, the guide rail 260 on the upper body 200 Is formed, the connection frame 222 is coupled to the roller 250 in contact with the guide rail 260. Specifically, the roller 250 is coupled to a portion of each connection frame 222 on the outside of the main body 200, as shown in Figure 1a, the guide rail 260 is the roller 250 It protrudes along the upper outer surface of the main body 200 to be in contact.

In addition, according to a preferred embodiment of the present invention, the present invention further includes a departure prevention means 270 to prevent the rotation means 220 is separated from the position by the wind power.

The separation preventing means 270 is composed of a rotary ring 271, a fixed rail 272, a fixed roller 273 and the separation preventing member 274 as shown in FIG.

The rotary ring 271 is arranged to surround the outer surface of the main body 200 at the lower portion of the guide rail 260, and is configured to have a predetermined distance from the outer surface of the main body 200 of the main body 200. It can be rotated on the outer surface.

The fixed rail 272 protrudes along the outer surface of the main body 200 from the lower portion of the rotary ring 271. In addition, the fixed roller 273 is composed of a plurality is coupled to the rotary ring 271 at a predetermined interval and is disposed between the guide rail 260 and the fixed rail 272 is the rotary ring 271 fixed rail (272) to be able to rotate stably at the top.

The release preventing member 274 is one side is coupled to each of the connection frame 222, the connection frame 222 is coupled to be rotatable from the rotating shaft 221, the other side is the side of the rotary ring 271 Is coupled to

As a result, the departure preventing means 270 is rotated together with the rotating shaft 221 and the connecting frame 222 to prevent the departure of the connecting frame 222 so that the rotating shaft 221 can be rotated stably.

When the wind power generator of the present invention is not operated, the rotation of the rotation unit 20 may be stopped by combining the rotation unit 20 with the fixing unit 20.

As shown in FIG. 5, the upper part of the fixing part 10 and the lower part of the main body 200 of the rotating part 20 are coupled to each other so that the coupling flanges 280 formed along the outer surface thereof face each other. . The coupling flange 280 has a through hole 281 is formed to be coupled through the bolt or pin by using the through holes 281 of the opposite coupling flange 280 to secure the rotating part 20 will be.

On the other hand, according to a preferred embodiment of the present invention is installed in the space of the main body 200, the lifting means 290 and the lifting means 290 for elevating the first rail 241 of the direction change rail 240 Including a control unit (not shown) for controlling the speed of the rotating means 220 can be enabled even in a typhoon or strong wind.

First, the controller is connected to the lifting means 290 and may be configured to include a plurality of switches for the lifting operation.

The lifting means 290 may be implemented in various ways according to the known art, for example, as shown in FIG. 6, the motor 291, the lifting plate 292, the lifting bolt 293 and the support shaft 294 It may be configured as.

The motor 291 is installed in the space of the main body 200 to provide power by the control of the controller, the power may be a rotational force rotated in the forward or reverse direction.

The lifting plate 292 is coupled to the side surface of the first rail 241, a plurality of lifting nuts (292a) is coupled to at least one portion. The lifting nut 292a is a conventional nut having a thread formed on the inner circumferential surface of the hole. The lifting bolt 293 is coupled to the lifting nut 292a in the vertical direction and is rotated by the power of the motor 291 to raise or lower the first rail 241.

In addition, the support shaft 294 is disposed inside the main body 200 to penetrate at least one portion of the first rail 241 in the vertical direction to support the first rail 241 being elevated.

According to the configuration of the above-mentioned lifting means 290, the motor 291 is operated in the forward or reverse direction in accordance with the operation signal of the control unit so that the lifting bolt 293 is rotated. The elevating nut 292a of the elevating plate 292 coupled to the side of the first rail 241 is raised or lowered as the elevating bolt 293 is rotated by the motor 291, and is coupled to the first One rail 241 will also be elevated together.

Therefore, the turning rail 240 is elevated to be able to adjust the angle of the turning stick 230 to be switched in the vertical or horizontal direction in contact with this.

That is, when the first rail 241 of the turning rail 240 is lowered, the first stick 231 of the turning stick 230 which is in contact with the turning rail 240 does not change angle in a perfectly vertical direction. Rotating blade 223 rotated along the connecting frame 222 is also unable to maintain the vertical direction and receives the wind inclined at an angle.

This is to control the rotational speed of the rotary shaft 221 by adjusting the inclination of the rotary blade 223 that receives the wind directly during typhoons or strong winds.

On the other hand, as shown in Figure 7 the rotating shaft 231 may be provided with a protective cover 225 to protect the open space of the main body 200.

The protective cover 225 is configured to be coupled to and separated from the upper portion of the rotating shaft 221, for example, the coupling hole 225b along the outer surface of the upper portion of the rotating shaft 221 and the lower portion of the protective cover 225 The coupling part 225a is formed to protrude, and the protective cover 225 can be coupled and separated from the upper portion of the rotating shaft 221 by screwing through the coupling hole 225b of the coupling portion 225a. have.

Those skilled in the art will appreciate that various changes and modifications can be made without departing from the spirit of the present invention. Therefore, the technical scope of the present invention should not be limited to the contents described in the detailed description of the specification but should be defined by the claims.

Claims

In the wind power generator comprising a fixed portion and a cylindrical shape fixed to the ground coupled to the upper portion of the fixed portion and the power generation means for generating power received from the rotational force from the rotating portion is configured to rotate by the wind power,

The rotating part,

A main body that is rotated from the fixing part and has a predetermined space therein and is opened at an upper portion thereof;

A fixed blade coupled to the outer surface of the main body in a vertical direction to fix the position by rotating the main body according to the wind direction;

A plurality of rotating shafts installed to be rotated in the center of the space of the main body, radially coupled to form a right angle with the rotating shaft along the outer surface of the rotating shaft, and having one end extending to the outer side of the main body and being rotated from the outer surface of the rotating shaft, respectively; Rotating means consisting of a connecting frame and a rotary blade coupled to one end of each connecting frame;

A first stick coupled to a portion of the connection frame in a vertical or horizontal direction on the inner side of the main body 200 and a second stick orthogonal to the first stick and coupled to the respective connection frames to have a predetermined separation distance; Redirection stick consisting of;

Rotate the first stick to maintain the rotary blade vertically, the accompaniment of the inner surface of the main body protrudes inwardly and the first rail and the second stick to rotate to maintain the rotary blade horizontally A turning rail formed of a second rail which is formed from one side of the first rail to the other side and is disposed inside the first rail;

Rollers coupled to one portion of each of the connection frames from the outside of the main body; And

And a guide rail configured to protrude along the upper outer surface of the main body so as to contact the roller and to maintain a horizontal level of the connecting frame rotated.
The method of claim 1,

The guide rail and the fixed rail coupled to the rotating ring and the rotating ring which is formed to surround the outer surface of the main body at the lower portion of the guide rail and protruding along the outer surface of the main body from the lower portion of the rotating ring Rotation is characterized in that it further comprises a separation prevention means consisting of a plurality of fixed rollers and the separation prevention member is coupled to one side and the other side is coupled to the side of the rotary ring so that each connecting frame is rotated. Wind turbines with improved efficiency.
The method of claim 1,

The upper part of the fixing part and the lower part of the main body of the rotating part are coupled to each other so as to face each other with a plurality of coupling flanges formed with through holes along the outer surface thereof, and combining the opposite coupling flanges to secure the rotational efficiency. Improved wind power system.
The method of claim 1,

An elevating means installed in the space of the main body and elevating the first rail of the turning rail;

And a control unit for controlling the lifting means.
The method of claim 4, wherein

The lifting means,

A motor mounted in the space of the main body to provide power under the control of the controller and a lifting plate coupled to a side surface of the first rail and having a plurality of lifting nuts, and vertically coupled to each lifting nut; It is composed of a plurality of lifting bolts to be rotated through the power of the first rail to raise or lower the first rail and a plurality of support shafts for supporting the first rail to pass through at least a portion of the lifting plate in the vertical direction. A wind turbine generator with improved rotational efficiency.
The method of claim 1,

Rotating blades of the rotating means

The wind power generation device with improved rotational efficiency, characterized in that the curved portion is formed in the plate shape is bent inward both ends of one side and the other side.
The method of claim 1,

The rotating shaft of the rotating means

Wind turbines with improved rotational efficiency, characterized in that it comprises a protective cover configured to be coupled and detachable at the top.
The method of claim 1,

The first rail and the second rail

Wind turbines with improved rotational efficiency, characterized in that both ends are formed to be inclined downward.