JP2015200324A - Wind power generator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To convert limitless natural energy of wind into electrical energy through a wind power generator that can be adapted for air flows of all directions and can drive rotating blades even with fine wind without changing a direction of the rotating blades every time an air blowing direction changes.SOLUTION: A wind power generator 1 comprises a rotary shaft 3, a plurality of blades 4 fixed to this rotary shaft 3, a pair of horizontal guiding plates 10 spaced apart in an axial direction of the rotary shaft so as to hold the blades and a plurality of vertical guiding plates arranged between these horizontal guide plates to face from the outer edges of the horizontal guide plates in a radial direction at a location within the blades. Air stream guided from the air stream amplification part 8 through the air stream intake port is guided into a cavity, and air pressure is applied to rotationally drive the blades. The horizontal guide plates have portions corresponding to the positions of the blades that are recessed and a bearing plate is installed to cover the recessed portion.

Description

  The present invention relates to the principle and structure of a wind turbine generator that supports airflow from all directions.

  Conventional wind power generators generally use the strength of the airflow to make the rotor blades face each other in the direction of the airflow, rotate the main shaft to generate power, and convert mechanical energy into electrical energy.

JP-A-8-210237 JP 2004-353646 A Japanese Patent Laid-Open No. 9-256941

  In order to eliminate the above disadvantages, the present invention can deal with unidirectional, bilateral or omnidirectional airflow in the natural atmosphere with the wind power generator fixed, and can efficiently generate power. An apparatus capable of performing the above is provided.

  In other words, it is a wind power generator that generates power by increasing the wind force by using an air flow speed-up gear even for light winds regardless of the direction of the air flow.

  In order to achieve the above object, the wind turbine generator according to the present invention is provided with an airflow horizontal guide plate, an airflow vertical guide plate, or an airflow speed-intensifier combining them in the atmosphere generating the airflow, A wind power generator is attached to the rotating shaft of the rotor blade to generate power.

  That is, it is composed of the rotor blade part, a wind power generator connected to one end of each rotating shaft, and an airflow guide plate or an airflow speed increaser that guides the airflow to the blade part of the rotor blade. .

  That is, according to the present invention, the airflow is guided to the blade portion of the rotary blade portion in the atmosphere, and the back side thereof has a streamlined shape or an acute angle shape with less air resistance due to the opposed airflow. Adopting an airflow induction and compression airflow speed increaser, the flow velocity of the airflow is increased, and the rotor blade connected to the wind power generator is driven by the airflow with the increased airflow velocity. It can deal with airflow from azimuth, bilateral or omnidirectional.

  In order to achieve the above object, the present invention generates power using inexhaustible natural energy, accelerates the airflow, and converts the high energy into electrical energy in addition to the blades of the rotor blades. Is.

  The invention according to claim 1 is a pair of rotating shafts, a plurality of blade portions fixed to the rotating shafts, and a pair of blades arranged at intervals in the axial direction of the rotating shaft so as to sandwich the blade portions. A horizontal guide plate, and a plurality of vertical guide plates provided between the horizontal guide plates and in the radial direction from the outer edge of the horizontal guide plate to the inside of the blades, and the horizontal guide plate The vertical guide plate forms an air passage in which the width of the opening on the outer edge side of the adjacent vertical guide plate is large and the width of the internal opening is small, and the air flow passage from the surroundings to the blade portion. A wind turbine generator that is an airflow amplifying unit that accelerates and guides the blade, and the blade portion is formed with a streamlined shape on the rotational movement direction side and closed, and a cavity with a depth that takes in the airflow on the anti-rotation movement direction side It has a structure that is formed and opened in the airflow intake The airflow guided from the airflow amplifying unit through the airflow inlet is configured to guide the airflow into the cavity and rotationally drive the blades by applying wind pressure. A corresponding portion is cut out, and a bearing plate is mounted so as to cover the cut-out portion.

  The invention according to claim 2 is the wind turbine generator according to claim 1, wherein a plurality of blade portions are attached radially over the entire circumference of the rotating shaft, and the base end side is fixed to the rotating shaft, A radial line that smoothly slopes from the base end side to the tip end side in the radial direction toward the counter-rotation movement direction of the blade and passes through the base end of each blade from the axis of the rotating shaft Is used as a reference, the tip of each blade portion is in a position deviated more to the counter-rotation movement direction side than the radial line.

  According to a third aspect of the present invention, in the wind turbine generator according to the first or second aspect, the horizontal guide plate has a wide angle on the airflow inlet side where the opposed inner surfaces are outward, and the width thereof is increased. And the width is gradually reduced toward the inward direction.

  According to a fourth aspect of the present invention, in the wind turbine generator according to any one of the first to third aspects, the vertical guide plate is arranged eccentrically from the axis of the rotating shaft, and the airflow outlet side of the air passage is a blade It is characterized by facing the air flow inlet of the part.

  According to a fifth aspect of the present invention, in the wind turbine generator according to any one of the first to fourth aspects, the blade portion includes an upper plate portion and a lower plate portion that form a cavity. The plate portion is formed in a streamlined shape and has a closed rotational movement direction side angle formed at an acute angle.

  A sixth aspect of the present invention is the wind turbine generator according to any one of the first to fifth aspects, wherein the bearing plate is provided with an exhaust port that can be opened and closed for exhaust.

  The horizontal plate, the horizontal guide plate, and the vertical guide plate described in the first to sixth aspects are cases where the rotation axis of the rotary blade portion is arranged in the vertical direction. The horizontal guide plate means a surface in the normal direction of the rotary shaft, and the vertical guide plate forms the same direction as the rotary shaft, that is, forms an angle of 90 degrees with the normal direction of the rotary shaft. It means direction.

  Said invention is a wind power generator which can respond also to the breeze from all directions, when the rotating shaft of a rotary blade part is installed vertically.

  In other words, the airflow from all directions can be taken in by the airflow speed increaser, and the airflow intake port of the rotor blade blade can be pressurized to efficiently drive the rotor blade connected to the generator. It is a wind power generator that can perform very efficient power generation.

The figure which looked at the wind power generator concerning a first embodiment of the present invention which looked at the thing which piled up the air current speed increasing part and the rotary blade part individually or in three steps from the side. The perspective view of the rotary blade part employ | adopted as the wind power generator shown in FIG. The figure which showed the horizontal guide plate with which the wind power generator of FIG. 1 is provided. The perspective view which arrange | positioned the vertical guide plate (12 sheets) with which the wind power generator of FIG. 1 is provided radially. The figure which looked at the airflow speed increasing part of the wind power generator concerning a first embodiment from the horizontal direction. The perspective view of the airflow speed-increase (part) of the wind power generator which concerns on 1st embodiment. FIG. 2 is a perspective and perspective view of a rotor blade portion in which twelve airflow speed increasers (airflow amplifiers) are arranged radially around the rotor blade portion included in the wind turbine generator of FIG. 1. The relationship diagram with the airflow with respect to the blade | wing part of a rotary blade part when not providing with the case where the vertical guide plate which concerns on 1st embodiment of this invention is provided. The relationship diagram of the airflow with respect to the wing | blade part of a rotor plate | board and the induction | guidance | derivation board which made the wide angle | corner the simple horizontal guide plate which concerns on 1st embodiment of this invention, and an airflow approach side. The figure which looked at the relationship of the inflow and exhaust_gas | exhaustion of airflow when arrange | positioning 12 vertical induction | guidance | derivation boards circularly radially, and arrange | positioning a rotary blade part in the center. The figure which looked at the relationship between the rotary blade part of the wind power generator concerning 2nd embodiment of this invention, and the airflow with respect to the rotary blade part which installed the bidirectional | two-way airflow vertical guide plate from the upper part. The perspective view and the figure seen from the side which showed the horizontal guide plate of the wind power generator which concerns on 3rd embodiment of this invention. The perspective view which arrange | positioned 12 sheets radially with the vertical guide plate arrange | positioned radially of this invention and 3rd embodiment. The perspective view which showed the airflow acceleration part using the doughnut-shaped guide plate which cut out the center part of the circular horizontal guide plate of this invention and 3rd embodiment. The perspective view which showed the airflow speed-up part which covered the doughnut-shaped center part with the rotating bearing board by the circular horizontal induction | guidance | derivation board of this invention, 3rd embodiment. The perspective view which showed the air-flow speed increasing part which provided the exhaust port which can control an exhaust gas opening-and-closing plate in this invention, 3rd embodiment. The figure from the upper part which showed the rotary bearing plate which attached the exhaust opening / closing plate and the exhaust opening / closing plate in this invention, 3rd embodiment. The figure from the upper part which showed the relative arrangement | positioning of the exhaust opening-and-closing plate attached to the airflow acceleration part and rotary bearing board of this invention, and a rotary blade.

  Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings.

  As shown in FIG. 1, the wind turbine generator 1 of the present embodiment is a wind turbine generator that generates power using airflow from all directions, and includes a rotating blade portion (4, 5, 6, or 7), a rotating shaft. It is mainly composed of an airflow speed increasing unit 8U in which three and a plurality of airflow speed increasers 8 are combined, and the generator 2.

(A) is a one-stage installation of the airflow acceleration section and the rotor blade section 4, and (b) is a three-stage installation of the airflow acceleration section and the rotor blade section 4, depending on the application. The rotor blades 5, 6 or 7 can be used, and other rotor blades may be installed. The number of stages of installation of the airflow speed increaser and the rotor blades may be determined according to the required supply power.

  The generator 2 is connected to one end of the rotary shaft 3 to which the rotary blade portion 4 is attached in this manner. The airflow speed increaser 8 is very useful because it can pressurize and blow the blades of the rotor blades (4a to 4f) even in a place where the airflow is gentle.

  In FIG. 2, each rotary blade (4a-f) is fixed to the rotating shaft 3, and the rotary blade portion (4, 5, 6, 7) has at least three or more rotary blades.

  2 (a), (b), (c), and (d) show four types of rotor blades (4, 5, 6, and 7) that can be employed in the wind power generator 1 described above. is there. All of these blade portions (4a to f, 5a to f, 6a to f, 7a to f) have cavities for taking in airflow, and the dotted lines of the blade portions indicate the depth. Further, in the rotary blade portion (4, 5, 6, 7), the back surface of the airflow intake port (portion indicated by hatching) of the blade portion (4a-f, 5a-f, 6a-f, 7a-f) Is streamlined or acute angle to reduce air resistance.

  Also, if the wind pressure received by the blades is very high, an exhaust port is provided on the back of the airflow intake port to adjust the wind pressure, and the exhaust port is automatically controlled by atmospheric pressure or program control to generate power. The rotational speed of the rotating shaft 2 of the machine 2 may be controlled to cope with strong wind power.

  FIG. 3 is a diagram showing horizontal guide plates 20a and 20b that guide the airflow in the direction of the rotor blades. FIG. 1A is a perspective view of the horizontal guide plates 20a and 20b. FIG. 2B is a view of the horizontal guide plates 20a and 20b viewed from the side. As shown in the figure, the two horizontal guide plates 20a and 20b are paired and have a circular shape, the vicinity of the center is horizontal, the side surface is inclined to a wide angle, and all directions (360 degrees) are shown. It can be adapted to the direction.

  FIG. 4 is a perspective view showing the vertical guide plates 30 (a to l). This guides the direction of the airflow in the horizontal direction, and all of the guide plates are arranged so that the airflow is guided to the blades of the rotor blades, and the vertical guide plates 30 (a to l). 12 are arranged in a radial pattern and can cope with airflow from all directions (360 degrees).

  FIG. 5 is a side view of the air flow speed increaser 8U in which the horizontal guide plates 20a and 20b and the vertical guide plates 30 (a to l) are combined. As can be seen from the figure, the airflow receiving side has a larger opening area, gradually decreasing the opening area toward the center, and increasing the airflow, and can handle airflow from all directions and 360 degrees. .

  FIG. 6 is a perspective view of the airflow speed increasers 8 and 8U. (A) is the single airflow speed increaser 8, and (b) can correspond to all directions (360 degrees) in which 12 airflow speed increasers 8 are arranged radially.

  Further, as shown in FIGS. 4A and 4B, the air flow speed increaser 8 has a structure in which the opening area is gradually decreased toward the downstream side, and the guide destination is the rotor blade portion. (4), (5), (6), and (7), since the airflow receiving port of the blade portion, high air pressure is applied to the blade portion of the rotary blade portion. That is, the airflow speed increaser 8 is set in a pressure tube state, and the airflow speed is increased.

  FIG. 7 is a perspective view of the airfoil speed increasing portion 8U (corresponding to 360 degrees) and the rotor blade part 4 combined with each other.

  FIG. 8 shows the relationship between the rotary blade section 4 and the airflow. (A) is the figure which showed the corresponding relationship of the conventional rotary blade part 4 and airflow, (b) arrange | positions the 12 vertical induction | guidance | derivation plates 30 (corresponding to 360 degree | times) radially, and this rotary blade It is the figure which looked at the relationship between the part 4 and airflow from the upper part.

  In addition, when receiving an air flow with a high flow velocity, the blade portion of the rotor blade portion is provided with a rotor blade (4a to f) having a cavity, so that a high-pressure air current is temporarily turned into a cavity (the dotted line indicates the depth). The rotational force is increased by the pressure of the airflow, and the rotating shaft 3 is efficiently rotated. Further, as shown in FIG. 5B, the rotor blades (4d, 4e, 4f) side are structured not to receive the air pressure directly, and the back surface side of the rotor blade blades is acute or streamlined. Therefore, the air resistance due to the counter atmospheric pressure is further reduced.

  FIG. 9 is a view of the relationship between the airflow, the horizontal guide plates 20a and 20b, and the rotor blade 4 seen from the lateral direction. (A) shows the rotor blade 4 and the airflow direction when the horizontal guide plates 20a and 20b are not provided, and (b) shows the rotor blade portion when the air current and the horizontal guide plates 20a and 20b are installed. 4 shows the relationship between the airflow and the airflow.

  A combination of the effects of the twelve vertical guide plates (30a-l) shown in FIG. 8 (b) and the horizontal guide plates (20a-b) shown in FIG. 9 (b) is an airflow speed increasing portion.

  FIG. 10 is a view of the relationship between the twelve vertical guide plates 30 (a to l) radially disposed so as to surround the rotary blade portion 4 and the airflow as viewed from above. As shown in the figure, there is no distinction between the side where the air flow enters and the exhaust port side, and they are shared. The air flow from the normal direction of the rotating shaft 3 is compatible with all directions (360 degrees direction).

  Hereinafter, two examples of embodiments of the present invention will be described with reference to the drawings.

  FIG. 11 is a view of the relationship between the airflow bidirectional airflow-compatible rotating blade section 4 and the airflow with respect to the vertical guide plates (41a to 41f) and the guide walls (40a, b) from above. As shown in the figure, there is no distinction between the side where the air flow enters and the side of the exhaust port, and even when the back side of the rotor blade intake port is rotated back by the air flow guide wall (40a, b), Airflow is not induced on the back side. However, this figure does not assume a vertical airflow. When the air flow speed increaser 8 is provided in place of the vertical guide plates 41 (af) and 40 (a, b), the operation is as described above.

  Hereinafter, three examples of embodiments of the present invention will be described with reference to the drawings.

  FIG. 12 is a diagram of a donut-plate-shaped horizontal guide plate 200a, b cut out from a circular center part of two pairs. (A) is the perspective view. (B) It is the figure which looked at this horizontal guide plate from the side. As shown in the figure, the widths of the two guide plates on the air flow entrance side are not changed as in the example of the embodiment.

  FIG. 13 is a perspective view showing the vertical guide plates 300 (a to l). Each of the vertical guide plates 300 (a to l) has a rectangular shape, and the vertical guide plates are arranged radially, and a rotary wing portion is arranged at the center thereof.

  FIG. 14 is a perspective view of the airflow speed increaser 80U in which the horizontal guide plate and the vertical guide plate shown in FIGS. 13 and 14 are combined. As can be seen from the figure, it has a structure that can handle airflow from 360 degrees in all directions.

  FIG. 15 is a perspective view of an airflow speed increaser 81U that covers and fixes the central portion of the airflow speed increaser with a bearing plate 50 of a circular rotor blade. This airflow speed-increasing device 81U has 12 airflow amplifiers 80 arranged radially, and can cope with airflow from all directions (360 degrees).

  16 is provided with a controllable exhaust port in the bearing plate of the rotor blade portion of the airflow speed increaser 81U using the donut-shaped flat plate in FIG. The opening / closing degree of the exhaust port is automatically controlled by the strength of the wind force.

  In addition, wind pressure is applied to the blades 4 (af) of the rotor blades 4 installed at the center of the airflow speed increaser arranged radially to drive the rotor blades 4 and rotate the rotating shaft 3 thereof. Thus, as long as the atmospheric pressure applied to the rotor blades can be controlled by exhaust control, the rotation is stabilized.

  FIG. 17 is a drawing of the bearing plate 60 for controlling the opening and closing of the exhaust port. (A) is a figure of the state which has not attached the exhaust-port opening-and-closing plate for control to the cover of a bearing plate. (B) is a view of the exhaust opening / closing plate 61 attached to the cover of the bearing plate. (C) is the figure which opened this exhaust-port opening-and-closing plate 61 fully. (D) is a half-open drawing. (E) is a fully closed figure. (F) uses a hinge 63 to open and close the exhaust port.

  These automatically control the degree of opening and closing by the atmospheric pressure. The opening / closing may be performed by using the rotating force of the rotating shaft 3 or may be performed by a separate opening / closing motor. Of course, it can also be done manually.

  In addition, the exhaust control function can be installed in the horizontal guide plate portion of the airflow speed increaser instead of the rotary bearing plate.

  FIG. 18A is a view showing the relationship between the airflow speed increaser 80U and the rotor blade 4, and FIG. 18B is a controllable exhaust gas provided in the airflow speed increasing portion 82U and the bearing plate 60 of the rotor blade. FIG. 3 is a diagram showing the relationship between the mouth and the rotor blades, and is a view of the exhaust port fully closed.

DESCRIPTION OF SYMBOLS 1 Wind power generator 2 Generator 3 Rotating shaft 4, 5, 6, 7 Rotating blade part 4a-f, 5a-f, 6a-f, 7a-f Blade | wing part 8 Airflow speed increaser 8U Airflow amplification part 9, 9a Bearing 20a, 20b Horizontal guide plate 30 (a-1) Vertical guide plate 40a, 40b Bidirectional vertical guide wall 41a-f Bidirectional horizontal guide plate 50 Rotating bearing plate 60 of the third embodiment Exhaust port of the third embodiment Rotating bearing plate 61 Exhaust port opening / closing plate 62 of the third embodiment Exhaust port opening / closing plate 63 using the hinge of the third embodiment Hinge 80 of the exhaust port opening / closing plate of the third embodiment 80 Airflow speed increaser 80U Airflow increase Speed portion 200 (a, b) Horizontal guide plate 300 (a to l) of third embodiment Vertical guide plate 81U of third embodiment Airflow speed increasing portion 82U provided with the rotary bearing plate of the third embodiment Third embodiment Airflow speed increasing part with exhaust port on the rotary bearing plate

Claims (6)

A rotating shaft, a plurality of blade portions fixed to the rotating shaft, a pair of horizontal guide plates arranged at intervals in the axial direction of the rotating shaft so as to sandwich the blade portions, and these horizontal guide plates A plurality of vertical guide plates provided in the radial direction from the outer edge portion of the horizontal guide plate to the inside of the blade portion, and the horizontal guide plate and the vertical guide plate are adjacent to each other. An air flow amplifying unit that forms a ventilation path with a large width at the outer edge side opening of the plate and a small width at the inner side opening, and the air flow path accelerates and guides the air flow from the surroundings to the blade part Which is a wind power generator,
The blade portion has a structure in which the rotational movement direction side is closed and formed in a streamline shape, and the anti-rotation movement direction side is formed and opened in an airflow intake port having a deep cavity for taking in an airflow. The airflow guided from the airflow amplifying unit through the mouth is guided into the cavity, and is configured to rotationally drive the blades by applying wind pressure.
The horizontal guide plate is a wind power generator characterized in that a portion corresponding to the position of the blade portion is cut out and a bearing plate is mounted so as to cover the cut out portion. 2. The wind turbine generator according to claim 1, wherein a plurality of blade portions are radially attached over the entire circumference of the rotation shaft, and a proximal end side thereof is fixed to the rotation shaft, and a radial front end is provided from the proximal end portion side. To the part side, it has a shape that is smoothly inclined toward the anti-rotation movement direction side of the blade part,
When the radial line passing through the base end portion of each blade portion from the axis of the rotating shaft is used as a reference, the tip portion of each blade portion is in a position deviated from the radius line toward the counter-rotation movement direction. A featured wind power generator.   The wind turbine generator according to claim 1 or 2, wherein the horizontal guide plate is formed to have a wide angle on the airflow inlet side where the inner surfaces facing each other are outward, and to increase the width of the airflow guide plate. A wind power generator characterized in that the width is gradually reduced toward a direction.   The wind turbine generator according to any one of claims 1 to 3, wherein the vertical guide plate is arranged eccentrically with respect to the axis of the rotating shaft so that the airflow outlet side of the air passage faces the airflow intake port of the blade portion. Wind power generator characterized by becoming.   5. The wind turbine generator according to claim 1, wherein the blade portion includes an upper plate portion and a lower plate portion that form a cavity, and is formed in a streamlined manner in the upper plate portion and the lower plate portion. A wind power generator characterized in that the angle on the side of the closed rotational movement direction is an acute angle.   6. The wind power generator according to claim 1, wherein the bearing plate is provided with an exhaust port that can be opened and closed for exhaust.

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