KR101004343B1 - Wing tilt angle adjusting device for wind generator - Google Patents

Abstract

The present invention relates to a wind turbine blade tilt angle control device, the wind generator for generating electricity by the force of the wind, located in the center of the wind generator, a plurality of blade insertion holes at radial equal intervals on the outer periphery Branch has a housing body, one end is inserted into the inside of the housing body, is inserted into the blade insertion hole to be rotated by the wind, respectively, and installed to move inward and outward by the centrifugal force generated by the rotation A wing body which is disposed inside the housing body, the guide body which guides to rotate when the wing body is inserted and rotated, and is disposed inside the housing body, each of which has a central direction At the end, it is elastically coupled to generate elastic force in the direction of returning to its original position. Includes elastic means.

Description

Blade pitch control device for wind power generator {blade pitch control device for wind power generator}

The present invention relates to a blade tilt angle adjusting device for a wind generator.

Wind power generator (wind power generator) is a device that converts the energy of the wind into electrical energy, and rotates the blades of the wind generator to produce electricity by the rotational force of the blades generated at this time. Wind power generators are devices that convert the energy of wind into electrical energy. Blowing winds rotate the wind turbine's wings. At this time, the power generated by the rotation of the wing can be produced.

As such, the wind kinetic energy used in the wind generator is compared to the energy using fossil fuels such as petroleum and coal, and there is no emission of pollutants, and the resources generated by the use of fossil fuels with limited reserves may be exhausted. There is no concern, and as it uses natural energy as compared to nuclear energy, which has a high possibility of leakage of radioactivity, it is getting high spotlight as environmentally friendly energy due to its high stability.

In addition, the wind generator can be installed in any place where wind kinetic energy is generated, so that it can be installed in an underdeveloped area such as a remote island where other power generation facilities are difficult to install. It can be installed in the area, the land use is reasonable, and the wind farm can be built in some specific areas where wind kinetic energy is generated, so that the large-scale wind farm can be used as tourism resources.

Typically, a wind turbine consists of three parts: a wing, a transmission, and a generator. Wings are rotated by the wind and convert wind energy into mechanical energy. The transmission rotates the generator by transmitting the rotational force generated from the wing to the transmission gear through the central rotation shaft and increasing it to the number of revolutions required by the generator. A generator is a device that converts mechanical energy generated by the wing into electrical energy.

Wind generators are windy, and larger windmills can produce more wind energy, so wind generator generation depends on wind strength and windmill size. Accordingly, in order to increase the amount of power generation, it must be installed and used in a windy area. However, frequent wind gusts and strong air currents are formed in the windy areas, and there is a problem in that breakage and lifespan are reduced due to breakage of internal mechanical parts, generation of overcurrent due to overspeed rotation of the wind generator. In addition, if the strong wind is continuously acting there is a problem that the overcurrent is continuously generated in the generator to increase the risk of safety accidents such as fire due to overheating.

Thus, in recent years, in order to control the rotational speed of the blade has been developed a device for adjusting the inclination angle of the blade rotated by the wind. Such a wind turbine tilt angle control device of the prior art measures the intensity of the wind, the tilt angle of the wing is adjusted by the measured value to control the rotational speed of the blade can be prevented from overspeed rotation.

However, it is difficult to adjust the angle of inclination of the wing immediately as the strength of the wind increases due to the time difference between the time when the angle of inclination of the wing is adjusted and the time when the intensity of wind is measured by the wing tilt angle adjusting device of the prior art. In particular, if the wind intensity suddenly changes due to gusts or air currents, there is a problem in that the blades are rotated at an excessive speed during the time required to control the inclination angle of the blades, resulting in a breakdown of the mechanical parts, a breakage caused by the occurrence of overcurrent, and a decrease in lifespan.

In addition, the inclination angle adjusting device of the prior art should be provided with a separate device for measuring the wind speed and the power to be adjusted to adjust the inclination angle of the wing, and a control device for controlling the device for adjusting the inclination angle according to the measured wind speed should be further provided. As the device is complicated, there is a problem that the cost of maintenance increases.

The problem to be solved by the present invention is the centrifugal force generated by the rotation of the blades in the wind power generation by converting the movement force moved by the weight of the wings placed inside the rotational force to adjust the tilt angle of the blade, According to the present invention, there is provided a vane angle control device for a wind generator that prevents overspeed rotation by immediately adjusting vane angle according to wind speed without any weight and other power.

The wind turbine blade tilt angle control device according to an embodiment of the present invention is a wind generator for generating electricity by the force of the wind, located in the center of the wind generator, a plurality of blades inserted at radial equal intervals on the outer circumference A housing body having a ball, one end of which is inserted into the inside of the housing body, and is inserted into the wing insertion hole so as to be rotated by wind, and is moved inward and outward by the centrifugal force generated by the rotation. Wing body is installed, disposed in the interior of the housing body, the guide body for guiding to rotate when moving the blade body is inserted, and disposed inside the housing body, each of the wing body It is elastically coupled so that elastic force is generated in the direction of returning to the original position at the end of the center direction. It includes an elastic means, the wing body is supported by the action of the centrifugal force generated by the rotation of the wind is moved in the outward direction while supporting the inside of the housing body, the guide groove of the guide body connected when the wing body is moved The wing body which is elastically coupled to the elastic means along the can be rotated,

The moving force of the wing body interacts with the elastic force and the centrifugal force of the elastic means so that the rotational direction of the wing body is adjusted so that the inclination angle of the wing body can be adjusted according to the wind speed.

In addition, it is disposed inside the housing body, has an insertion hole which is inserted into each of the wing insertion hole is inserted into the guide body is fixed inward, elasticity that one side of the elastic means is supported in the center direction of the insertion hole The support bracket may further include a support bracket having a support groove, and the support bracket may respectively support one side of the guide body and the elastic body to guide the wing body to be rotated inside the housing body.

And, it is disposed in the direction of the center of the plurality of the wing body, is inserted into the guide body is rotated with the wing body, the rotary shaft having a fixed groove in the end surface of the center direction, and is inserted into one side of the rotary shaft, The operation pin may further include an operation pin inserted to protrude on both sides of the rotation shaft, the operation pin is inserted to be guided to the guide body to move the rotation shaft moved with the wing body is moved in the interaction of centrifugal force and elastic force The wing body may be rotated in a rotational direction along a moving direction.

In addition, it is disposed on the center end of the rotation axis, is formed larger than the rotation axis and is fixed to the fixed body having an elastic fixing groove which is supported on the other side of the elastic means in the wing body direction, and the fixed body, the fixed And a fixing means inserted into and fixed in the groove to fix the fixing body to the rotating shaft, wherein the fixing body is formed larger than the rotating shaft at an inner end inserted into the housing body of the rotating shaft to support the elastic means. By the interaction of the centrifugal force and the elastic force, the rotational shaft moved together with the wing body may be prevented from being separated from the outside while being caught inside the housing body.

In addition, the inner side of the guide body may be formed with a guide space which is positioned in the rotatable state is inserted into the rotary shaft, the operating pin is inserted into the opposite sides of the guide body in the position facing each other in the center of the guide space, respectively Guide grooves bent at different curvatures so as to be rotated so as to be rotated, protruding from the center of the outer surface of the guide body, and being protruded to contact the elastic support groove while being inserted into the insertion hole of the support bracket. It may further include a projection, the rotating shaft may be rotated while the operating pin is guided along the guide groove having both sides different curvature when the operating pin is inserted into the guide groove, respectively, The guide protrusion is inserted into the elastic support groove and fixed to the guide body when the guide body is inserted into the insertion hole. It can be firmly fixed.

According to an embodiment of the present invention, each wing tip located at the center is moved by its own weight by the centrifugal force generated by the rotation of a plurality of blades of the wind generator that generates electricity by the wind, respectively, By adjusting the inclination angle by converting to the rotational force to adjust the inclination angle of the blade of the blade, the inclination angle of the wing is adjusted according to the centrifugal force generated according to the rotation speed of the blade to prevent the rotation of the blade overspeed, resulting in breakage of the mechanical part and generation of overcurrent Provides the effect of preventing damage and deterioration of the service life.

In addition, according to the centrifugal force generated by the rotation of the blade, a plurality of wings in the center are respectively installed to move by self-weight so that the movement force is generated, so that the movement force generated by the centrifugal force and converted into rotation force without any other device It acts as a weight body that moves itself by centrifugal force, so the structure is simple and the spatial constraints are reduced. As the weight of the wing itself is larger than the normal weight body, it is possible to secure a constant movement force so that the angle of inclination of the wing is stable. As it can be adjusted to provide an effect that the wings are prevented from rotating at a stable speed.

In addition, the plurality of blades moved by the centrifugal force is rotated at the same time to adjust the inclination angle, respectively, is installed so as to be in place by the elastic means, respectively, when the action of the centrifugal force is moved by the weight of the wing blades are rotated to It can be adjusted to prevent over-rotation, and if the action force of centrifugal force is reduced by the reduction of wind force after adjustment, the wing is rotated to its original position by the elastic force of the elastic means, so that the angle of inclination can be adjusted so that the contact area with the wind is enlarged. This interaction allows the angle of inclination of the wing to be adjusted according to the wind speed, thus improving the efficiency of the wind generator.

In addition, the plurality of blades rotated by the wind is rotated by its own weight according to the size of the wind speed, and as the angle of inclination of the blade is adjusted, no other weight or power is required, so that the manufacturing cost of the device can be reduced, and the simple structure This reduces the maintenance costs.

In addition, a plurality of wings are installed in the position where the elastic means for generating the elastic force during the self-rotation by the centrifugal force to connect the respective wings, so that each of the wings moved by the self-weight is installed to generate a mutually uniform elastic force The elastic force and the plurality of blades work uniformly with each other to provide an effect of improving the control efficiency of the wing angle.

1 is a perspective view showing a state in which the blade tilt angle adjusting device for a wind generator according to the first embodiment of the present invention is installed.
Figure 2 is an exploded perspective view showing a wing angle control device for a wind generator of Figure 1;
Figure 3 is a partially omitted front view showing the vane angle control device for a wind generator of Figure 1;
Figure 4 is a partially omitted side view showing the wing angle control device for a wind generator of Figure 1;
5 is an exploded perspective view showing a part of the omitted main part of the vane angle control device for a wind generator.
FIG. 6 is a combined view showing some omitted main parts of the vane angle adjusting device for the wind generator of FIG. 5. FIG.
FIG. 7 is a state diagram used in some omitted main parts of the vane angle control device for a wind generator of FIG. 6; FIG.
8 is a partially omitted front use state diagram showing the vane angle control device for a wind generator of FIG.
9 is a partially omitted side use state diagram showing the vane angle control device for a wind generator of FIG.
10 is a perspective view showing an installation angle control device for a wind generator according to a second embodiment of the present invention.
FIG. 11 is an exploded perspective view showing a vane angle adjusting device for a wind generator of FIG. 10.
12 is an operational state diagram showing the blade angle control device for a wind generator of FIG.
FIG. 13 is a perspective view showing the vane angle adjusting device for a wind power generator according to a third embodiment of the present invention; FIG.
FIG. 14 is an exploded perspective view showing a vane angle adjusting device for a wind generator of FIG. 13; FIG.
15 is an operational state diagram showing the vane angle control device for a wind generator of FIG.
Figure 16 is a perspective view showing the blade angle control device for a wind generator according to a fourth embodiment of the present invention.
FIG. 17 is an exploded perspective view showing the vane angle control device for a wind generator of FIG. 16. FIG.
18 is a use state diagram showing the blade angle control device for a wind generator of FIG.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Like parts are designated by like reference numerals throughout the specification.

Then, a configuration in which the vane angle adjusting device for a wind generator according to the first embodiment of the present invention is installed will be described with reference to FIGS. 1 to 6.

1 is a perspective view showing a state in which the blade tilt angle adjusting device for a wind generator according to the first embodiment of the present invention is installed, Figure 2 is an exploded perspective view showing the blade angle adjusting device for a wind generator of Figure 1, Figure 3 Partly omitted front view showing a vane angle adjusting device for a wind generator of Figure 1, Figure 4 is a partially omitted side view showing a vane angle adjusting device for a wind generator of Figure 1, Figure 5 is partially omitted 6 is an exploded perspective view showing a main part, and FIG. 6 is a combined view showing a part of the omitted main part of the vane angle adjusting device for the wind power generator of FIG. 5.

1 to 6, the wing angle control device for a wind generator 100 according to an embodiment of the present invention is located in the center of the wind generator 110, wing 120, guide 130 And elastic means 140. Here, the wind power generator is to generate power by converting the rotational force of the rotation of the wing 120 into electricity, the apparatus for converting the rotational force into electricity is to use a conventional device to omit the detailed description. In addition, the housing unit 110 is located at the center of the rotation of the wing 120 is generated, the rotational force of the wind generator, described as located in the center of the wind generator is for convenience of description. Here, the center of the wind generator is not seen as representing the center of the wind generator that includes all the devices that convert electricity, the center of the wing 120 is described as the center of the wind generator.

The housing unit 110 includes a housing body 111 located at the center of the wind generator, and a support bracket 113. The housing body 111 is located at the center of the wind generator, and the center end of the wing 120 is inserted inward. Wing inserting holes 112 are formed in the outer circumference of the housing 110 to insert the wing portions 120 at radial equal intervals, respectively. The wing insertion hole 112 is formed such that a plurality of wing portions 120 are inserted so that the end in the center direction is located inside the housing body 111.

The support bracket 113 is disposed inside the housing body 111 and is inserted into and installed in a plurality of wing insertion holes 112 formed at a plurality of radial equal intervals. An insertion hole 114 into which the guide part is inserted is formed inside the support bracket 113. Insertion hole 114 is formed so that the guide portion 130 is inserted into the wing portion 120 is guided. That is, the support bracket 113 has the wing portion 120 and the guide portion 130 is inserted into the inside of the insertion hole 114, respectively, so that the wing portion 120 and the guide portion 130 are each wing insertion hole 112 ) Is supported at the position. The inner side of the housing body 111 is in communication with the insertion hole from the center direction to the center position is formed an elastic support groove 115 larger than the insertion hole 114. The elastic support groove 115 is provided in the shape of a groove so that the elastic means 140 inserted into and supported by the insertion hole 114 is supported.

The wing unit 120 includes a wing body 121, a rotation shaft 122, an operation pin 123, and a fixed body 125 provided in plural to be rotated by the wind. One wing body 121 is inserted into the inside of the housing body 111, located in the direction from the center to the outside of the wing insertion hole 112 formed in a plurality of radially equal intervals in the wing body 121 One end of the) is installed to be located inside the housing body 111, respectively. The plurality of wing bodies 121 are disposed in the direction of the center of the housing body 111 so that when the wind is rotated in contact with the wing body 121 generates a rotational force to generate electricity, the inside of the housing body 111 Centrifugal force is generated by rotation.

The rotating shaft 122 protrudes on one side of the wing body 121 and is positioned at radial equal intervals inside the housing body 111. The rotating shaft 122 is coupled to the guide portion 130 inserted into the insertion hole 114 inwardly of the support bracket 113 inserted into the blade insertion hole 112 so as to be rotatable. The rotating shaft 122 is formed integrally with the wing body 121 and is integrally formed with the rotating shaft 122 by being rotatably inserted into the guide portion 130 inserted into the insertion hole 114 of the support bracket 113. Wing body 121 formed as is installed so as to move in the center and outward direction by its own weight in accordance with the centrifugal force from the inside of the housing body 111, respectively. That is, as the rotation shaft is rotatable in the guide portion 130 fixed to the support bracket 113, each wing body 121 formed integrally with the rotation shaft 122 is the inner center of the housing body 111. It is supported to be moved in the outward direction opposite to the direction and the center, respectively. Such, the wing body 121 is moved in the outward direction by the weight of the wing body 121 as the centrifugal force is generated therein when the wind is rotated, the rotating shaft 122 provided integrally of the wing body 121 is rotatable It is rotated while being guided along the guide portion 130 coupled to. In this way, if the centrifugal force is largely generated, the wind speed is increased, and if continuously rotating, the blade body along the guide part 130 may be damaged due to over-rotation, which may result in breakage of mechanical parts or power-generated parts. The rotation 121 is adjusted to the inclination angle of the contact area of the wind is reduced can be prevented over-rotation. In addition, when the centrifugal force is reduced, the wing body 121 is adjusted at an inclination angle in which the contact area of the wind is enlarged by rotating in the opposite direction, thereby maintaining a constant rotational force. Can be. A fixing groove 124 is formed in an outward direction at the center of the end surface in the center direction of the rotation shaft 122.

The operation pin 123 is inserted into one side of the rotation shaft 122 and is installed to protrude to both sides, and the insertion force is guided into the guide 130 to convert the moving force of the rotation shaft 122 into a rotation force. The operation pin 123 is installed to protrude to both sides at the position where the rotation shaft is inserted into the guide portion 130 so as to be inserted into the guide portion 130, and guides according to the moving direction of the rotation shaft 122 moved by the centrifugal force. It is rotated along the part 130 to adjust the inclination angle of the wing body 121.

The fixed body 125 is disposed at the center end of each of the rotating shafts 122, and is inserted into the fixing groove 124 of the rotating shaft by the fixing means 127 inserted into the fixed body 125 and protruding in the rotating shaft direction. It is fixed. Here, in the present specification, the fixing means 127 is inserted into the fixing body 125 in the form of a bolt, and a screw is formed inside the fixing groove 124, but this is for convenience of description. It will be apparent to those skilled in the art that the fixing means 127 and the fixing groove 124 may include all means that can be fixed to each other.

The fixed body 125 is provided larger than the size of the rotation shaft 122, it is provided larger than the size of the rotation shaft 122 of the guide portion 130 is inserted. The fixed body 125 is fixed to the center direction of the rotation shaft 122 is formed larger than the portion of the guide portion 130 is inserted in the outward movement of the rotation shaft by centrifugal force so that the rotation shaft 122 is separated outward Is prevented. In addition, the wing body 121 is moved by the centrifugal force generated by the rotation of the wing body 121 is moved by its own weight, if there is a difference in the weight of the plurality of wing body 121 of each of the wing body 121 As the inclination angles are different from each other and may be biased and rotated, the weights of the fixed body 125 may be adjusted to match the weight of each wing body 121. In addition, the fixed body 125 may be installed at a heavy weight when the weight of the wing body 121 is small, thereby expanding the weight.

The outer surface of the fixing body 125 is formed with an elastic fixing groove 126 on which the elastic means 140 is supported on the other side. The fixing means 127 is inserted into and supported in the elastic support groove 115 of the support bracket 113, the other side is inserted and supported in the elastic fixing groove 126 of the fixing body 125 to support the fixing body 125 and An elastic fixing groove 126 and an elastic supporting groove 115 are formed to support the elastic means 140 between the brackets 113.

The guide part 130 includes a guide body 131 fixed to the inside of the support bracket 113, and a guide protrusion 134. The guide body 131 is fixed to the inside of the support bracket 113, and has a guide space 132 is inserted to rotate the rotation shaft 122 inward. The guide body 131 is inserted into the insertion hole 114 to be fixed to the support bracket 113, and the rotation shaft 122 is inserted to be rotatable inward. On both sides of the guide body 131 facing each other, guide grooves 133 having a long hole shape different from each other are formed. Each of the guide grooves 133 formed at positions facing each other is inserted with operation pins 123 protruding from both sides of the rotation shaft 122, and moved along different curvatures when the rotation shaft 122 is moved. The rotating shaft 122 is provided to rotate in one direction according to the curvature. Each curvature of the guide groove 133 is rotated in a direction in which the wing body 121 is reduced in contact with the wind when the wing body 121 moves outward by the centrifugal force, and when the wing body 121 moves in the center direction, the contact area with the wind is enlarged. It consists of an angle that is rotated in the direction.

That is, the guide groove 133 is formed to have a different curvature so that the operation pins 123 respectively inserted therein are rotated in one direction when moving, and the direction of rotation is the wing body 121 by the size of the centrifugal force. ) Is formed such that the contact area of the wind is adjusted in accordance with the direction in which) is moved.

In other words, when the wing body 121 is moved outward by the generation of centrifugal force, the operating shaft 123 rotates along the guide groove 133, and the wing body 121 reduces the contact area with the wind. When the wing body 121 is moved in the direction of the center due to the reduction in the centrifugal force, the actuating pin 123 moves along the guide groove 133, and the rotation shaft 122 of the wing body 121 is in contact with the wind. The inclined angle of the wing body 121 may be adjusted by rotating the enlarged direction.

The guide protrusion 134 protrudes from the center of the outer surface of the guide body 131 and is inserted and fixed to the elastic support groove 115. The guide protrusion 134 protrudes to the outer surface of the guide body 131 inserted into the insertion hole 114 and is inserted into and fixed in the elastic support groove 115 of the support bracket 113 on which the elastic means 140 is supported. Fixing force of the guide body 131 may be improved.

The elastic means 140 is composed of an elastic spring 141 is disposed between the support bracket 113 and the fixed body 125. The elastic spring 141 is disposed between the support bracket 113 and the fixed body 125, one side of which is supported by being inserted into the elastic support groove 115 of the support bracket 113, and the other side of the fixed body 125. It is supported by the elastic fixing groove 126. The elastic spring 141 is elastically supported so that the elastic force is applied in the center direction opposite to the direction in which the fixed body 125 fixed to the rotating shaft 122 moved by the centrifugal force in the state supported by the support bracket 113 is moved. . That is, when the centrifugal force is applied, the wing body 121 is moved outward, and the fixed body 125 fixed to the rotation shaft 122 is moved together in the outward direction so that the elastic spring 141 is compressed to have the elastic force in the opposite direction to the centrifugal force. This is working. When the action of the centrifugal force is reduced, the elastic force acts on the elastic spring 141, thereby returning the wing body 121 to its original position. As such, as the wing body 121 is moved while the centrifugal force and the elastic force act in opposite directions, the rotational efficiency of the inclination angle may be improved. That is, when the wing body 121 is rotated by the wind, the centrifugal force is generated and the elastic spring 141 is compressed and the wing body 121 is rotated at the same time as it moves outward. The rotational efficiency may be improved as the wing body 121 maintains an optimal inclination angle according to the wind speed while interacting with the elastic force of 141.

In addition, the operation of the wind turbine blade angle control device according to the first embodiment of the present invention will be described with reference to FIGS.

FIG. 7 is a state diagram of use of the omitted part of the wind turbine blade control device of FIG. 6, and FIG. 8 is a diagram of a partially omitted front view of the wind turbine blade control device of FIG. 3. It is a some omission side use state figure which shows the vane angle control apparatus for 4 wind generators.

7 to 9, first, when the wing body 121 is rotated under the influence of the wind, centrifugal force is generated inside the housing body 111, and the center of gravity of the wing body 121 is generated by the generated centrifugal force. Moved outward. When the wing body 121 is moved, when the rotating shaft 122 formed integrally with the fixed body 125 fixed to the rotating shaft 122 are moved together in the outward direction, the elastic spring 141 is elastically supported by the fixed body 125. This is compressed. The wing body 121 that is moved while the elastic spring 141 is compressed is an operation pin 123 that is fixed to the rotation shaft 122 when the centrifugal force and the elastic force of the elastic spring 141 move together and move outward. The rotating shaft 122 is rotated in the direction in which the contact area between the wing body 121 and the wind is reduced while being guided to the guide groove 133 having different curvatures.

As such, when the wing body 121 is rotated in a direction in which the contact area of the wind is reduced, excessive rotation of the wing body 121 is prevented from being rotated, and when the contact area of the wing body 121 is reduced, the housing body 111 of the housing body 111 is reduced. The centrifugal force acting on the inside thereof is reduced and returned to its original position by the elastic force of the elastic spring 141. Upon returning to the original position, each of the rotary shafts 122 moves in the center direction, and the operating pins 123 fixed to the rotary shafts 122 are guided to the guide grooves 133 having different curvatures to move the rotary shafts 122 to the wing bodies. It rotates in the direction in which the contact area of 121 and wind are expanded. As such, when the wing body 121 is rotated, the rotational force may be improved even at a small wind speed so that the centrifugal force is generated again inside the housing body 111.

That is, when the wind speed is increased while the centrifugal force and the elastic force are interacted, the contact area of the wing body 121 is rotated to be reduced to prevent excessive rotation by the action of excessive wind speed, and when the wind speed is reduced, the contact area of the wing body 121 is reduced. The rotation efficiency is increased according to the wind speed by rotating so as to expand. Therefore, the wing body 121 is rotated to maintain an optimal angle of inclination according to the wind speed while the centrifugal force moved by its own weight and the elastic force elastically coupled to the wing body 121 interacts so that the inclination angle of the wing body 121 is increased. Can be adjusted.

Then, the configuration and operation of the wing angle control device for a wind generator according to the second embodiment of the present invention will be described with reference to FIGS. 10 to 12.

FIG. 10 is an installation perspective view of a vane angle adjusting device for a wind generator according to a second embodiment of the present invention, FIG. 11 is an exploded perspective view of the vane angle adjusting device for a wind generator of FIG. 10, and FIG. 12 is of FIG. 10. It is an operation state diagram which shows the vane angle control apparatus for wind power generators.

10 to 12, the wing angle adjusting device 100 for a wind generator according to the second embodiment of the present invention includes a housing part 110, a wing part 120, a guide part 130, and an elastic means. 140. Here, the configuration of the housing 110, wing 120, and guide 130 is substantially the same as the wind turbine blade angle control device 100 shown in Figures 1 to 6, the detailed description thereof Omit it.

The elastic means 140 includes a return protrusion 142 protruding from each fixed body 125, and an elastic belt 143. The return protrusion 142 protrudes on one side in the same direction of each of the fixing bodies 125 and is fixed to the rotation shaft 122 located in the center direction of the wing body 121 that is moved by itself by centrifugal force generated by the rotation. Is moved together with the fixed body (125). That is, when the wing body 121 is rotated, centrifugal force is generated, and when the wing body 121 is moved by its own weight in the outward direction by the generated centrifugal force, the rotating shaft 122 guided to the guide body 131 is rotated and moved to the center. The fixed body 125 fixed at the end of the direction is moved outwards so that the return protrusion 142 fixed at one side is moved together.

The elastic belt 143 connects the return protrusions 142 which respectively protrude to the plurality of fixing bodies 125, and is provided in the form of a belt having elasticity. The elastic belt 143 provides an elastic force so that each return protrusion 142 moved outward from the center direction of the housing body 111 may be returned to its original position according to the action of the centrifugal force. That is, when the strength of the wind is strong and the centrifugal force is large, the wing body 121 is moved outward, and the fixed shaft 125 fixed to the rotary shaft 122 is moved in the center direction of the wing body 121 while the rotary shaft ( 122 is rotated along the guide body 131 so that the wing body 121 is rotated to reduce the contact area with the wind. At this time, the elastic belt 143 is maintained while the return protrusion 142 protruding from the plurality of fixing body 125 is moved together in the outward direction by the centrifugal force. When the centrifugal force is smaller than the elastic force of the elastic belt 143, the return protrusion 142 is moved to the center direction by the operation of the elastic belt 143, so that the rotating shaft 122 and the wing body 121 are moved together in the center direction. The wing body 121 is rotated along the guide body 131 so that the contact area of the wind is enlarged. That is, while the elastic force of the elastic belt 143 and the centrifugal force of the wing body 121 interact with each other, the inclination angle of the wing body 121 may be adjusted according to the strength of the wind to effectively produce power while preventing over-rotation.

In addition, the configuration and operation of the vane angle control device for a wind generator according to the third embodiment of the present invention will be described with reference to FIGS. 13 to 15.

FIG. 13 is an installation perspective view of a vane angle adjusting device for a wind generator according to a third embodiment of the present invention, FIG. 14 is an exploded perspective view of the vane angle adjusting device for a wind generator of FIG. 13, and FIG. 15 is of FIG. 13. It is an operation state diagram which shows the vane angle control apparatus for wind power generators.

13 to 15, the wing angle adjusting device 100 for a wind generator according to the third embodiment of the present invention includes a housing part 110, a wing part 120, a guide part 130, and an elastic means. 140. Here, the configuration of the housing 110, wing 120, and guide 130 is substantially the same as the wind turbine blade angle control device 100 shown in Figures 1 to 6, the detailed description thereof Omit it.

The elastic means 140 includes a return protrusion 142, a return plate 144, a return shaft 145, an elastic body 146, and an elastic spring 141 disposed inside the housing body 111. . The return protrusion 142 protrudes on one side in the same direction of each of the fixing bodies 125 and is fixed to the rotation shaft 122 located in the center direction of the wing body 121 that is moved by itself by centrifugal force generated by the rotation. Is moved together with the fixed body (125). That is, when the wing body 121 is rotated, centrifugal force is generated, and when the wing body 121 is moved by its own weight in the outward direction by the generated centrifugal force, the rotating shaft 122 guided to the guide body 131 is rotated and moved to the center. The fixed body 125 fixed at the end of the direction is moved outwards so that the return protrusion 142 fixed at one side is moved together.

The return plate 144 is provided in the form of a plate on one side of the return protrusion 142 protrudes inwardly of the housing body 111, and is rotated in a radial position in which each return protrusion 142 is inserted from the center inward. The curvature has a plurality of return holes 144a in a round shape. The return hole 144a is formed in a round shape having a curvature rotated therein, and each return protrusion 142 is inserted therein. When the return projections 142 protruding from the fixed body 125 moved together with the wing body 121 which is moved by the centrifugal force are moved along the return hole 144a in the outward direction, the return plate 144 is moved. Rotated according to the curvature.

The return shaft 145 protrudes from the center of the return plate 144 in the other direction of the housing body 111 and rotates together with the return plate 144 that is rotated according to the movement of the wing body 121.

The elastic body 146 is disposed on the other side of the return shaft 145 and has an elastic space 146a in which the return shaft 145 is inserted into the rotation position inwardly.

The elastic spring 141 is disposed inside the elastic body 146, one end of which is supported by the return shaft 145, and the other end of which is supported by the inside of the elastic space 146a to elastically return the return shaft 145. The body 146 is elastically supported. The return shaft 145 rotated by the action of the centrifugal force provides an elastic force to be returned to its original position. That is, when the wind strength is strong, the centrifugal force acts largely, and thus, the wing body 121 is moved outward and the rotation shaft 122 rotates along the guide body 131 such that the wing body 121 is reduced in contact with the wind. It works. At this time, the return protrusion 142 is moved together, the return plate 144 is rotated along the return hole 144a, the return shaft 145 is rotated by the rotation of the return plate 144 is elastically supported elastic spring ( 141 is maintained in a compressed state. When the centrifugal force is smaller than the elastic force of the elastic spring 141, the return shaft 145 is rotated by the operation of the elastic spring 141, the return plate 144 is rotated to its original position by the rotation of the return shaft 145, the return hole The return protrusion 142 inserted in 144a is moved in the center direction. When the return protrusion 142 is moved in the center direction, the wing body 121 connected to the rotation shaft 122 is moved, and the wing body 121 is rotated along the guide body 131 such that the contact area with the wind is enlarged. That is, while the elastic force of the elastic spring 141 and the centrifugal force according to the rotation of the wing body 121 interact with each other, the inclination angle of the wing body 121 is adjusted according to the wind strength, thereby effectively producing power while preventing over-rotation. .

In addition, the configuration and operation of the wind turbine blade angle control device according to the fourth embodiment of the present invention will be described with reference to FIGS. 16 to 18.

FIG. 16 is an installation perspective view of a vane angle adjusting device for a wind generator according to a fourth embodiment of the present invention, FIG. 17 is an exploded perspective view of the vane angle adjusting device for a wind generator of FIG. 16, and FIG. 18 is of FIG. It is a use state diagram which shows the vane angle control apparatus for wind power generators.

16 to 18, the wing angle adjusting device 100 for a wind generator according to the fourth embodiment of the present invention includes a housing part 110, a wing part 120, a guide part 130, and an elastic means. 140. Here, the configuration of the housing 110, wing 120, and guide 130 is substantially the same as the wind turbine blade angle control device 100 shown in Figures 1 to 6, the detailed description thereof Omit it.

The elastic means 140 includes a return protrusion 142, a return link 147, and a link shaft 149 disposed inside the housing body 111. The return protrusion 142 protrudes on one side in the same direction of each of the fixing bodies 125 and is fixed to the rotation shaft 122 located in the center direction of the wing body 121 that is moved by itself by centrifugal force generated by the rotation. Is moved together with the fixed body (125). That is, when the wing body 121 is rotated, centrifugal force is generated, and when the wing body 121 is moved by its own weight in the outward direction by the generated centrifugal force, the rotating shaft 122 guided to the guide body 131 is rotated and moved to the center. The fixed body 125 fixed at the end of the direction is moved outwards so that the return protrusion 142 fixed at one side is moved together.

The return link 147 is disposed on one side in which the return protrusion 142 protrudes, one side is positioned at the center of the housing body 111, and the other side is hinged to each return protrusion 142 and at least one or more. It is connected by the return hinge 148 so that it may be folded. The return link 147 maintains a folded state around the return hinge 148 when the return protrusion 142 is located at the center of the housing body 111, and each of the return protrusions 142 is outward by the action of centrifugal force. When moved to at least one return link 147 is unfolded around the return hinge 148, one side centered on the housing body 111 is rotated.

The link shaft 149 is located at the center of the housing body 111 to connect the respective return links 147 and is hinged to be rotated according to the movement of the return links 147. The link shaft 149 is rotated when the return link 147 is unfolded by the action of centrifugal force, and is rotated while the return link 147 is folded about the return hinge 148 when it is returned to its original position by the action of the elastic spring 141. Rotated back in the opposite direction. That is, the link shaft 149 connects the return link 147 and the elastic spring 141 to return the return protrusion 142 moved by the centrifugal force to its original position.

The elastic body 146 is disposed on the other side of the link shaft 149 and has an elastic space 146a in which the link shaft 149 is inserted to be rotatable inward.

The elastic spring 141 is disposed inside the elastic body 146, one end of which is supported by the link shaft 149, and the other end of which is supported by the inside of the elastic space 146a to elasticize the link shaft 149. The body 146 is elastically supported. The link shaft 149 rotated by the action of the centrifugal force provides an elastic force to be returned to its original position. That is, when the wind strength is strong and the centrifugal force is large, the return protrusion 142 of the fixed body 125 is moved outward while the wing body 121 is moved outward, and the wing body 121 is rotated. As the 122 is rotated along the guide body 131, it is rotated to reduce the contact area with the wind. At this time, the plurality of return links 147 folded in the hinged state with the return protrusion 142 are unfolded outward in accordance with the movement of the return protrusion 142 about the return hinge 148. When the plurality of return links 147 are unfolded, the link shaft 149 installed at the center is rotated to maintain the compressed state of the elastic spring 141 that is elastically supported. When the centrifugal force is smaller than the elastic force of the elastic spring 141, the link shaft 149 is rotated in the opposite direction by the operation of the elastic spring 141, the return link 147 is folded by the rotation of the link shaft 149 to return The rotation axis 122 of the wing body 121, which is moved together by moving the protrusion 142 in the center direction, is rotated in the opposite direction along the guide body 131 so that the wing body 121 has an enlarged contact area with the wind. Rotary works. That is, while the elastic force of the elastic spring 141 and the centrifugal force of the wing body 121 interact with each other, the inclination angle of the wing body 121 may be adjusted according to the strength of the wind, thereby effectively producing power while preventing over-rotation.

Although the preferred embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

100: wing angle control device 110: housing portion
111: housing body 112: wing insertion hole
113: support bracket 114: insertion hole
115: elastic support groove 120: wing portion
121: wing body 122: rotation axis
123: operation pin 124: fixing groove
125: fixing body 126: elastic fixing groove
127: fixing means 130: guide
131: guide body 132: guide space
133: guide groove 134: guide projection
140: elastic means 141: elastic spring
142: return projection 143: elastic belt
144: elastic body 144a: elastic space
145: return shaft 146: return plate
146a: return hole 147: return link
148: return hinge 149: link axis

Claims (9)

In a wind generator that generates electricity by the force of wind,
Located in the center of the wind generator, the housing body having a plurality of blade insertion holes at radial equal intervals on the outer periphery,
One end is inserted into the inside of the housing body, the wing body is inserted into each of the blade insertion hole to be rotated by the wind, the wing body is installed to move inward and outward by the centrifugal force generated by the rotation, respectively,
A guide body disposed inside the housing body and guiding to rotate when the wing body is inserted and moved;
An elastic means which is disposed inside the housing body and is elastically coupled to generate an elastic force in a direction in which the wing body is returned to its original position at the center end of the wing body;
Including;
The wing body is moved in the outward direction while being supported inside the housing body by the action of the centrifugal force generated by the rotation of the wind, and is elastically coupled to the elastic means while being guided to the guide body inserted when the wing body is moved The wing body which can be rotated,
The moving force of the wing body interacts with the elastic force and the centrifugal force of the elastic means so that the rotational direction of the wing body is adjusted so that the inclination angle of the wing body can be adjusted according to the wind speed.
Blade tilt angle adjusting device for wind generators. The method of claim 1,
Is disposed in the direction of the center of the plurality of wing body, is inserted into the guide body is rotated with the wing body, the rotating shaft having a fixed groove in the end surface in the center direction, and
An actuating pin inserted into one side of the rotating shaft and protruding from both sides of the rotating shaft.
More,
The actuating pin is inserted to be guided to the guide body to rotate the blade body in a rotational direction along a direction of movement of the axis of rotation that is moved with the blade body moved in the interaction of centrifugal and elastic forces.
Blade tilt angle adjusting device for wind generators. The method of claim 2,
It is disposed inside the housing body, and further provided with a support bracket having an insertion hole is inserted into each of the wing insertion hole is inserted into the guide body inwardly fixed,
The support bracket may be fixed to the guide body for guiding the plurality of rotation shafts located inside the housing body to support the rotation shaft and the guide body, respectively.
Blade tilt angle adjusting device for wind generators. The method of claim 3,
A fixed body disposed at a central end of the rotating shaft and larger than the guide body into which the rotating shaft is inserted;
A fixing means inserted into the fixing body and inserted into the fixing groove to fix the fixing body to the rotating shaft.
More,
The fixed body is formed larger than the rotary shaft at the inner end inserted into the housing body of the rotary shaft is the rotary shaft is moved along with the wing body in the interaction of the centrifugal force and the elastic force while the elastic means is supported in the direction of the center of the guide body Can be prevented from getting caught outside
Blade tilt angle adjusting device for wind generators. The method of claim 4, wherein
Inside the guide body is formed a guide space which is positioned in the rotatable state is inserted into the rotary shaft,
Both side surfaces of the guide body are formed with guide grooves bent at different curvatures so that the operation pins are inserted and rotated at positions facing each other in the center of the guide space,
Protruding in the center of the outer surface of the guide body, further comprising a guide protrusion protruding to contact the insertion hole of the support bracket,
The rotating shaft may be rotated while the operating pin is guided along the guide groove having both sides different curvature when the operating pin is inserted into the guide groove, respectively,
The guide protrusion is fixed to the inner surface when the guide body is inserted into the insertion hole can be fixed to the guide body firmly
Blade tilt angle adjusting device for wind generators. The method of claim 4, wherein
The elastic means,
It is disposed between the fixed body and the support bracket, and includes an elastic spring to elastically support the fixed body to be moved with the rotating shaft to the support bracket,
The elastic spring is elastically supported in the direction in which the fixed body fixed to the rotating shaft moved with the wing body that is moved by itself centrifugal force generated while rotating to its original position, so that the wing body interacts with the centrifugal force and the elastic force Moved so that the inclination angle of the wing can be adjusted
Blade tilt angle adjusting device for wind generators. The method of claim 4, wherein
The elastic means,
A return protrusion protruding from one side of a plurality of the fixed bodies in the same direction and protruding to move together with the fixed body, and
An elastic belt connecting each of the return protrusions and having an elastic force to return the fixed body, which is moved by the centrifugal force of the wing body, to its original position;
The elastic belt has a centrifugal force and an elastic force for moving the wing body by elastically connecting the return protrusion projected in the same direction to the fixed body fixed to the rotating shaft that is moved together with the wing body that is moved by itself with the centrifugal force generated while rotating. The tilt angle of the wing body can be adjusted while this interaction
Blade tilt angle adjusting device for wind generators. The method of claim 4, wherein
The elastic means
Protruding in the same direction on each side of the plurality of the fixed body, the return projection protruding to move with the fixed body,
A return plate disposed inside the housing body, the return plate having a return hole formed in a round shape of curvature that is radially rotated at a position at which the respective return projections are inserted from the center to the outward direction;
A return shaft protruding in one direction of the housing in the center of the return plate and rotating together with the return plate;
An elastic body disposed on one side of the return plate and having an elastic space into which the return shaft is rotatably inserted;
An elastic spring disposed inside the elastic body, the elastic spring elastically supporting the return shaft to provide an elastic force in the original position after the rotation of the return shaft to the inside of the elastic space;
Including;
When the self-moving by the centrifugal force according to the rotation of the wing body the return projection is rotated along the return hole while the return plate is rotated, when the return plate is rotated together with the return axis is rotated operation of the elastic spring is compressed While the elastic force interacts with the wing position is adjusted to adjust the inclination angle
Blade tilt angle adjusting device for wind generators. The method of claim 4, wherein
Protruding in the same direction on each side of the plurality of the fixed body, the return projection protruding to move with the fixed body,
It is disposed inside the housing body, one side is hinged to the central position, the other side is provided with a plurality so as to be hinged to the plurality of return projections, at least one hinge hinged to the return hinge is folded back link,
A link shaft disposed at the center of the return link, the one side of the plurality of return links being hinged to each other, the link shaft being protruded from the center to one side of the housing to rotate when the return link is unfolded;
An elastic body disposed on one side of the return link, the elastic body having an elastic space inserted therein so as to be rotatable;
An elastic spring disposed in the elastic body, the elastic spring elastically supporting the link shaft in the elastic space to provide an elastic force in the original position after rotation of the link shaft in the elastic space;
Including;
When the self-moving by the centrifugal force in accordance with the rotation of the wing body is moved to the returning projections to the outside as the return link is folded around the return hinge, the link shaft is rotated, if the link axis is rotated An elastic force is generated by an operation of compressing the elastic spring, so that the centrifugal force and the elastic force interact with each other to adjust the moving position of the wing body to adjust the inclination angle.
Blade tilt angle adjusting device for wind generators.

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