KR102207076B1 - A wind turbine generator with a fluid guide to maximize Magnus effect - Google Patents

Abstract

The present invention relates to a wind power generator equipped with a fluid guide maximizing the Magnus effect. More particularly, the present invention relates to a wind power generator equipped with a fluid guide maximizing the Magnus effect that maximizes power generation efficiency by using the Magnus effect according to interaction between a rotating body and the fluid passing through the rotating body, but differentially supplying the amount of fluid applied to the rotating body by a separately provided fluid guide. According to the present invention, the wind power generator equipped with a fluid guide comprises: a wind power generator with a central axis; and a duct having the same rotational center as the central axis, spaced apart from the wind power generator, and provided with a fluid guide installed therein so as to have a different angle with the flow direction of the fluid to adjust the flow direction of the fluid.

Description

A wind turbine generator with a fluid guide to maximize Magnus effect}

The present invention relates to a wind power generator equipped with a fluid guide maximizing the magnus effect, and more particularly, using a magnus effect according to the interaction of a rotating body and a fluid passing through it, but is rotated by a separately provided fluid guide. The present invention relates to a wind power generator equipped with a fluid guide maximizing a magnus effect that maximizes power generation efficiency by differentially supplying an amount of fluid applied to the whole.

Due to the problem of environmental pollution and the depletion of resource energy, interest in eco-friendly infinite energy has been steadily increasing.

In particular, the social demand for new and renewable energy has been maximized in recent years due to sanctions on coal power generation and policy directions to stop the expansion of nuclear power plants.

In response to these demands, a wind turbine generator using infinitely generated wind energy is being developed as an example.

In general, the most representative form of a wind turbine is a wind turbine having a pinwheel shape, and a plurality of blades is formed but installed to face the direction in which the wind blows, and a method of generating power generation by applying the rotation of the blades is used. It is referred to as a horizontal wind power generator because the position of the and rotation shaft is horizontal.

In contrast, there are also vertical wind turbines in which the position of the ground and the axis of rotation are vertical, which also uses drag and lift generated by the wind, and these also use drag, which is the force applied to the same surface as the blades installed to face the wind. , It uses the method of using the lift generated by flowing through the surface.

Particularly, among the methods of generating lift, the Magnus effect, which is a phenomenon in which the wind flowing around a plurality of rotating rotating bodies is bent in the direction of travel due to the pressure difference between the upper and lower surfaces generated by the rotation of the rotating body. Wind power generators used have been developed.

However, in the conventional vertical axis wind turbine generator using the Magnus effect, a strong rotational force can be generated by the Magnus effect on one side located in the direction of the wind, but the Magnus effect is generated in the opposite direction of rotation by the wind on the opposite side to reduce the rotational force. As a result, there was a problem that the power generation efficiency was lowered.

In order to solve this problem, the invention has been made with an additional structure that makes the position where the wind is supplied uniformly, and the problem of lowering the power generation efficiency due to attenuation of the conventional rotational force has been improved.

However, in addition to this, there is a request for whether the power generation efficiency can be improved with a simpler structure, and a method of reusing the wind once passed through the rotor or a method of obtaining maximum power generation efficiency with the same wind. Further research is required.

KR 10-1987839 B1 KR 10-0381614 B1

The present invention is invented to solve the above problems, and provides a passage through which the fluid is supplied, but maximizes the Magnus effect so that the fluid is differentially supplied according to each rotating body that affects the rotational force to improve power generation efficiency. There is an object to provide a wind turbine generator equipped with a fluid guide.

The object of the present invention is not limited to the above-mentioned object, and other objects that are not mentioned will be clearly understood from the following description.

A wind power generator equipped with a fluid guide maximizing the magnus effect according to the present invention for achieving the above object is composed of a plurality of rotating bodies that are rotated while being spaced apart through a horizontal cantilever to a central axis, and the fluid passing through the rotating body is A vertical wind turbine that is generated by the Magnus effect generated by the difference in flow velocity; And the rotation center is provided with the same axis as the central axis, but is rotatably spaced outside the wind turbine, and the angle formed with the flow direction of the fluid is individually The duct is provided with a fluid guide installed inside so as to be differentially adjusted to adjust the flow direction of the fluid, and the duct has an upper surface and a lower surface configured in an annular shape with respect to a horizontal surface, and the upper surface and the lower surface are vertical plural Are coupled by the fluid guides, and the inner outlets of the plurality of fluid guides are commonly formed toward a point, the point being on a normal surface perpendicular to the supply direction of the fluid and penetrating the central axis, It is a technical feature that is the center of the rotating body located on the normal surface.

In addition, the fluid guide is characterized in that it is divided into a first fluid guide, a second fluid guide and a third fluid guide according to the installation position.

In addition, the first fluid guide is characterized in that the curved type.

In addition, the second fluid guide is formed closer to the one point than the first fluid guide, and is characterized in that it is linear.

In addition, the third fluid guide is characterized in that it is formed to be parallel to the flow direction of the fluid.

The present invention according to the above configuration can expect the following effects.

Although the supply direction of the fluid is arbitrarily adjusted, drag and lift work together on the rotating body by the fluid, so that the rotational force of the generator is maximized, and the power generation efficiency can be rapidly improved.

As a simple structure, power generation efficiency can be improved, installation work can be made easily, and a simple structure can inevitably be easily made in maintenance and repair, so that application can be simple.

In particular, although applicable to an existing wind power generator, since it is composed of a separate component from the wind power generator, it can be easily applied without modification or supplementation to the existing wind power generator.

Since no additional power or complex structures or supporting structures are required, it can be widely applied regardless of the size of the wind power generator, and the overall efficiency of wind power generation can be improved.

Ultimately, the efficiency of wind power generation can be improved, so that it can replace power generation by fossil fuels, thereby achieving eco-friendly power generation by preventing environmental pollution, and reducing production costs, resulting in economic effects. There will be.

1 is an overall configuration diagram of a wind power generator provided with a fluid guide maximizing the Magnus effect according to an embodiment of the present invention.
2 is a plan view of a wind power generator equipped with a fluid guide maximizing the Magnus effect according to an embodiment of the present invention.
3 is a side view of a wind turbine with a fluid guide maximizing the Magnus effect according to an embodiment of the present invention.
Figure 4 is a configuration diagram of a vertical axis wind turbine according to an embodiment of the present invention.
5 is a block diagram of a duct according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings, a wind turbine with a fluid guide maximizing the Magnus effect according to a preferred embodiment of the present invention will be described in detail as follows.

1 is an overall configuration diagram of a wind turbine with a fluid guide maximizing the Magnus effect according to a preferred embodiment of the present invention, and FIG. 2 is a fluid guide maximizing the Magnus effect according to a preferred embodiment of the present invention. 3 is a side view of a wind turbine with a fluid guide maximizing the Magnus effect according to a preferred embodiment of the present invention, and FIG. 4 is a configuration of a vertical axis wind turbine according to a preferred embodiment of the present invention. And Figure 5 is a configuration diagram of a duct according to an embodiment of the present invention.

A wind turbine with a fluid guide maximizing the Magnus effect according to a preferred embodiment of the present invention includes a wind turbine 100 and a duct 300 provided with a fluid guide 350 as shown in FIG. 1.

First, a look at the wind power generator 100.

The wind turbine 100 may collectively refer to a device that generates electricity by rotating by using a fluid, in particular, the force of wind, and generating electromagnetic induction with the rotational force.

Preferably, the wind turbine 100 may be a vertical axis wind turbine 100 in which a rotation axis is perpendicular to the ground.

The wind turbine 100 may be composed of a generator 110, a central shaft 130, a connection shaft 150, and a rotating body 170.

The generator 110 is a device that generates electricity by rotation of the central shaft 130, and its principle is the same as the principle of power generation equipment such as thermal power or hydropower, so a detailed description thereof will be omitted.

It may be desirable for the generator 110 to be located at the bottom of the entire configuration, in terms of minimizing the influence on the rotation of the central shaft 130 and structural stability.

The central shaft 130 has a lower one side coupled to the generator 110, and can serve to transmit the rotational force generated by rotation by the Magnus effect generated in the rotating body 170 to be described later to the generator 110. have.

The central axis 130 is configured in a columnar shape, and may be configured in any shape such as a cylindrical shape, a square columnar shape, or a triangular columnar shape, but it may be preferably formed in a cylindrical shape in terms of rigidity.

The inside of the central shaft 130 is formed in a hollow shape, and an electric wire or the like is installed, so that power required for rotation of the rotating body 170 to be described later may be supplied.

Since the central axis 130 is a place where the load of the entire configuration is concentrated, it is preferable that the scale is determined through a structural analysis that has sufficient rigidity to support it, and a bearing is provided so that smooth rotation can be achieved. It could also be possible.

A plurality of connection shafts 150 are provided up and down, one side is fixedly coupled to the upper and lower portions of the central shaft 130, and the other side is formed as a free end to be described later between the upper and lower free ends. 170 may be provided.

The shape of the connection shaft 150 is provided in a beam shape, but may be configured in any shape such as a cylindrical shape or a square pillar shape.

However, structurally, the cylindrical shape may be the most stable, but in order to maximize the power generation performance, in order to use the drag received by the connecting shaft 150 in addition to the lift by the Magnus effect, it is a square column type with the widest contact surface. It can also be configured.

The rotating body 170 may be coupled to the upper and lower ends of the other end of the connecting shaft 150, but preferably, the rotating body 170 may be coupled to be axially rotatable between the connecting shaft 150 provided in a plurality of upper and lower ends. have.

Since a plurality of connection shafts 150 are formed, a plurality of rotating bodies 170 may be formed accordingly.

The rotating body 170 is configured to rotate, and all of the plurality of rotating bodies 170 can rotate identically in one direction, and it may be possible to change the direction of rotation according to the direction of the wind. For convenience of explanation, in the following description and drawings, a clockwise rotation is assumed and described.

The fluid flowing around the rotating body 170 is affected by the rotation of the rotating body 170 to generate a difference in flow velocity, and this difference in flow velocity induces a pressure difference around the rotating body 170 Lift, which is the source of the tangential force that rotates the central axis 130, is generated, and this effect is the Magnus effect.

Next, the duct 300 is looked at.

The duct 300 may be composed of an upper surface 310, a lower surface 330, and a fluid guide 350.

The upper surface 310 and the lower surface 330 of the duct 300 are formed in an annular shape, but preferably, one side of the annular shape is cut off, and thus may be configured in a "C" shape.

The disconnected shape of the upper surface 310 and the lower surface 330 may reduce the self-weight of the duct 300 to facilitate rotation of the duct 300, and the introduced fluid passes through the rotating body 170 described above. Afterwards, it is possible to flow out as it is without forming a eddy current as a disconnected part of the duct 300.

The upper surface 310 and the lower surface 330 are coupled by a fluid guide 350 which will be described later. Specifically, the upper surface 310 and the lower surface 330 placed on a horizontal surface are placed on a vertical surface. Can be combined.

When the upper surface 310 and the lower surface 330 are made to be closed in an "O" shape rather than a disconnected "C" shape, the fluid guide 350 may be configured only on one side, and such a form May be advantageous in maintaining the balance of the duct 300.

The center of the duct 300 may be concentric with the central axis 130 of the generator 110, and the duct 300 may rotate around the central axis 130.

In order to rotate the duct 300, a configuration capable of sliding may be provided at the lower portion of the lower surface 330 of the duct 300, and the central axis (from the upper surface 310 and the lower surface 330) of the duct 300 It may also be possible to be coupled using connection support means such as beams connected to the upper and lower portions of 130).

Rotation of the duct 300 may be achieved by a configuration in which a separate driving force is transmitted.

The upper surface 310 and the lower surface 330 may be preferably placed on a horizontal surface, but are arranged to be inclined from the outside of the duct 300 in the inward direction, and as a result, the outside of the duct 300 has a large cross-sectional area, and the inside is It may also be possible to have a relatively small cross-sectional area. Such a configuration may induce a strong fluid flow by increasing the speed of the fluid by reducing the cross-sectional area.

The fluid guide 350 is vertically installed between the upper surface 310 and the lower surface 330 as described above, but has a shape such as a partition wall formed from the outer direction to the inner direction of the duct 300. It is configured, and when viewed from the side, the upper surface 310 and the lower surface 330 may be perpendicular to and extend inwardly.

Due to the installation of the fluid guide 350, an outer inlet 350a through which fluid flows may be formed on the outside of the duct 300, and an inner outlet 350b through which fluid flows out may be formed on the inside of the duct 300. .

Looking at the fluid guide 350 in detail, it may be composed of a first fluid guide 351, a second fluid guide 352, and a third fluid guide 353 according to its position.

Preferably, the classification of the fluid guides 350 is not limited to three as described above, but it may be divided into a plurality of fluid guides according to the scale, and an installation type between the fluid guides 350 may be separately configured. Hereinafter, for easy understanding, it will be simply divided into three and described.

The inner outlet 350b of the duct 300 is generally formed in the direction of the central axis 130, but the first fluid guide 351, the second fluid guide 352, and the third fluid guide 353 of the present invention The inner outlet 350b of) is not formed in the direction of the central axis 130, but may be formed in the direction of one point A in common. One point A may exist on a normal plane which is a plane perpendicular to the supply direction of the fluid and passing through the central axis 130. In addition, one point A may be the center of the rotation body 170 located on the normal plane, and in FIG. 2, it may correspond to the center position of the third rotation body 173.

Specifically, the one point (A) is a point where the rotation radius of the vertical axis wind turbine 100 and the normal surface of the fluid passing through the central axis 130 intersect, the tangential direction of the rotation of the vertical axis wind turbine 100 The flow direction of the and fluid may be at the same point. Referring to FIG. 2, one point A may correspond to the center of the third rotation body 173.

Due to this shape, the first fluid guide 351, the second fluid guide 352, and the third fluid guide 353 are installed between the upper surface 310 and the lower surface 330 of the duct 300 so that their installation forms are different. Can be installed on.

Since the first fluid guide 351 may be provided at a position most spaced apart from one point A, which is the direction of the inner outlet 350b, it may be formed at the largest angle with the flow direction of the fluid. (θ ₁ )

Since the fluid incident on the first fluid guide 351 changes the path at the largest angle and must be transferred in the direction of one point (A), the vortex or duct caused by the fluid incident on the first fluid guide 351 The possibility of generating drag that can cause a rotation of (300) increases.

In order to solve this problem, it may be desirable that the first fluid guide 351 has a curved shape.

The second fluid guide 352 may be located at a side relatively closer to the point A than the first fluid guide 351.

Due to this position, the second fluid guide 352 may have an angle formed with the flow direction of the fluid smaller than that of the first fluid guide 351 (θ ₂ ).

Since the path of the fluid is changed at a relatively smaller angle than the first fluid guide 351, unlike the first fluid guide 351, the possibility of generating a vortex or drag that can cause the rotation of the duct 300 is low. The fluid guide 352 may be configured in a straight line. (θ ₁ 〉θ ₂ )

Considering the manufacture or attachment of any member, it is easier to manufacture the duct 300 by configuring the other fluid guides 350 in a linear shape except for the first fluid guide 351 in that a straight type is much easier than a curved type. It can mean that it can be done.

When the fluids installed inside the duct 300 are sequentially arranged, the first fluid guide 351, the second fluid guide 352, and the third fluid guide 353 may be formed in the order, and thus the third fluid guide ( 353 may be formed at a position spaced apart from the first fluid guide 351 and in contact with the second fluid guide 352.

Due to the shape of the installation location, the first fluid guide 351 may be located on a side far from a point A and a third fluid guide 353 located on a side close to the central axis 130.

As described above, the inner outlet 350b of the third fluid guide 353 may also be disposed to face to a point A in the same manner as the first fluid guide 351 and the second fluid guide 352, One point A is located close to the inner outlet 350b of the third fluid guide 353 so that the third fluid guide 353 may be in a shape parallel to the flow direction of the fluid.

Briefly looking at the fact that the installation types of the first fluid guide 351, the second fluid guide 352, and the third fluid guide 353 are different, each fluid guide 350 is located outside the duct 300. Considering the radial virtual line connected in the direction of the central axis 130, the outer side of the fluid guide 350 is on a virtual line, but the inner side is deviated from the virtual line, and the first fluid guide 351 and the second The fluid guide 352 and the third fluid guide 353 are formed to have different degrees of deviation.

The distinction between the first fluid guide 351, the second fluid guide 352, and the third fluid guide 353 described above is, for convenience of explanation, macroscopically, of the fluid guide 350 located inside the duct 300. Although a certain section is set and only a part is shown in the drawing, individual installation forms of each fluid guide 350 may be formed differently in microscopic terms.

That is, the first fluid guide 351, for example, a plurality of fluid guides 350 are densely formed inside the first fluid guide 351, and each fluid guide 350 is at one point (A Since the angle formed with) is different, it may be preferable that the installation form of each fluid guide 350 is formed individually and differently.

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Finally, a flow of fluid applied to the rotor 170 of the wind turbine 100 according to the configuration of the duct 300 will be described.

For ease of explanation, based on FIG. 2, the 5 rotating bodies 170 posted in FIG. 2 are set from the 1st rotation body 171 to the 5th rotation body 175 as shown, but centered on the posted position. It will be described as.

The central axis 130 of the vertical axis wind turbine 100 is formed at the center of the overall configuration, and a plurality of rotating bodies 170 are formed by a connection axis 150 vertically attached to the central axis 130. It can be arranged on the circumference centered on.

Each rotator 170 rotates in a clockwise direction, and the lifting force, which is the source of the tangential force to rotate the central axis 130, is caused by the Magnus effect generated by the fluid flowing around the rotating rotator 170. Will occur.

A duct 300 spaced apart from the vertical shaft wind turbine 100 may be formed, and a fluid guide 350 is provided inside the duct 300 so that the angle formed with the flow direction of the fluid is different. Can be adjusted.

In the absence of such a duct 300, the flow of fluid pulls the rotational force in the clockwise direction of the central shaft 130 at the portion where the 1st rotation body 171 and the 2nd rotation body 172 are located, but the 4th rotation body ( In the portion where 174 and the fifth rotation body 175 are located, the rotational force is pulled in a counterclockwise direction, and as a result, the rotational force of the central shaft 130 is reduced.

In order to solve this problem, it is necessary to minimize the flow of fluid at the positions of the 4th rotation body 174 and the 5th rotation body 175, and for this purpose, the fluid may be reduced by the duct 300 provided with the fluid guide 350. The flow can be adjusted.

In particular, by pulling the flow of the fluid to the position of the third rotation body 173, the position of the first rotation body 171 to the third rotation body 173 generates a lift that contributes to the clockwise rotation of the central shaft 130 , It is possible to prevent the occurrence of lifting force at the positions of the 4th rotation body 174 and the 5th rotation body 175.

In addition, in addition to the force caused by the Magnus effect caused by the fluid flowing around the rotating body 170, a drag force generated by the fluid directly applied to the rotating body 170 may be generated, so that the rotational force of the central shaft 130 may be doubled. .

Looking at the flow of the fluid passing through each fluid guide 350, the fluid passing through the first fluid guide 351 generates lift and drag by the Magnus effect in the first rotation body 171, and then the third rotation body ( It is incident in the direction of 173 and generates lift and drag in the third rotation body 173 again.

The fluid that has passed through the second fluid guide 352 generates lift and drag in the second rotation body 172, and then enters in the direction of the third rotation body 173, and lifts and drags again in the third rotation body 173. Will occur.

The fluid that has passed through the third fluid guide 353 generates drag in the third rotation body 173.

Since the fluid passing through the first fluid guide 351 and the second fluid guide 352 and entering the third rotating body 173 is in a low energy state, the high energy passing through the third fluid guide 353 It is merged with the fluid having the fluid to form a flow of the fluid, so that there is no fluid incident on the fourth rotor 174 and the fifth rotor 175.

The above-described embodiments are merely exemplary, and other embodiments variously modified therefrom are possible by those of ordinary skill in the art.

Therefore, the true technical protection scope of the present invention should include not only the above embodiments but also variously modified other embodiments according to the technical idea of the invention described in the following claims.

100: wind power generator
110: generator
130: central axis
150: connecting shaft
170: rotating body
171: No. 1 rotation body
172: 2nd rotation body
173: 3rd rotation body
174: 4th rotation body
175: 5th rotation body
300: duct
310: top
330: if
350: fluid guide
350a: outer entrance
350b: inner exit
351: first fluid guide
352: second fluid guide
353: third fluid guide
A: One point

Claims (8)

Vertical wind power generators that are spaced apart from the central axis through a horizontal cantilever and are composed of a plurality of rotating bodies that rotate, and are generated by the Magnus effect generated by the difference in flow velocity of the fluid passing through the rotating body; And
The rotation center is provided in the same manner as the central axis, but is provided rotatably on the outside of the wind turbine, and a fluid guide installed inside so that the angle formed with the flow direction of the fluid is individually differential is provided to adjust the flow direction of the fluid. Consisting of a duct;
The duct has an upper surface and a lower surface configured in an annular shape based on a horizontal plane, and the upper surface and the lower surface are coupled by a plurality of vertical fluid guides,
Inner outlets of the plurality of fluid guides are commonly formed toward one point,
One point above is,
A wind power generator with a fluid guide maximizing a magnus effect, characterized in that it is a center of the rotating body positioned on the normal surface while being on a normal surface perpendicular to the supply direction of the fluid and penetrating the central axis. delete delete The method of claim 1,
The fluid guide is divided into a first fluid guide, a second fluid guide, and a third fluid guide according to an installation position. A wind turbine with a fluid guide maximizing the magnus effect. The method of claim 4,
The first fluid guide is a wind power generator provided with a fluid guide maximizing the magnus effect, characterized in that the curved type. The method of claim 4,
The second fluid guide is formed closer to the one point than the first fluid guide, and a wind turbine having a fluid guide maximizing the magnus effect, characterized in that it has a linear shape. The method of claim 4,
The third fluid guide is a wind power generator provided with a fluid guide maximizing the magnus effect, characterized in that formed to be parallel to the flow direction of the fluid. delete

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