JPWO2012035610A1 - Water natural energy utilization device and water natural energy utilization power generation device assembly - Google Patents

Abstract

[PROBLEMS] To provide a high-output and clean power generation output installed on the ocean or the like, and has excellent stability even in strong winds and storms, and there is no risk of collapse, etc. A power generation device is provided. The present invention includes a floating body 152 that is framed in a triangular shape in plan view, includes a float 153 at each vertex position, and induces a buoyancy that floats on the water when each float 153 is exposed on the water. A base shaft 161 that is supported vertically at the center position of 152 from the bottom of the water surface to the top of the water surface, a rotor that generates power by receiving the rotational force supported by the base shaft 161, and a coreless coil body that is coaxially inverted. The generator 1 and a vertical shaft 136 protruding from the generator 1 are rotatably supported by a bearing body provided in an upper base cylinder 170, and the generator 1 is rotated by wind energy and the generator 1 is rotated via the vertical shaft 136. A vertical axis vertical wing type windmill 2 to be rotated, a weight body 171 having a structure in which water is enclosed in a can body that is attached to an end portion of the base shaft 161 below the water surface, and a floating body 1 52 or a mooring body 172 for mooring the weight body 171 to the bottom of the water. [Selection] Figure 1

Description

  The present invention relates to a water natural energy utilization apparatus and a water natural energy utilization power generation apparatus assembly. Specifically, the apparatus is installed on seawater such as the sea, and can obtain a large power and clean power generation output using wind energy. The present invention relates to a water natural energy utilization device and a water natural energy utilization power generation device assembly.

  In recent years, wind power generation has been developed around the world from the viewpoint of protecting the natural environment and utilizing natural energy, but in Japan or abroad, wind power generators are often installed mainly on land in the gulf.

  Wind, which is an energy source for wind power generation, generally has a higher wind speed and more stable wind direction on the ocean than on land with obstacles, and in countries with a long coastline such as Japan, wind It is preferable to install a power generation device in order to obtain a large output and stable generated power. On the other hand, since typhoons hit Japan every year, it is essential for wind power generators to have high stability to withstand strong winds and storms.

  As this type of offshore wind power generation device, conventionally, a wind power generator is erected at each apex position of a triangular frame structure in plan view, and a floating body that floats the wind power generator and the frame structure on the water surface And an offshore wind power generator (Patent Document 1) having an anchor for mooring the frame structure at a predetermined position on the ocean, or a tower that supports a propeller type windmill for power generation on a floating body floating on the ocean An offshore wind power generation facility (Patent Document 2) has been proposed in which the main part of the tower is lowered so as to be submerged below the sea level when the wind is strong, and the windmill is retracted when the wind is strong.

  However, in the case of the offshore wind power generation device of Patent Document 1, since it is a structure in which a heavy-weight wind power generator is erected at each apex position of the triangular frame structure, the stability point in strong winds and storms Is not necessarily sufficient.

  Further, in the case of the offshore wind power generation facility of Patent Document 2, even if the propeller type wind turbine has a large propeller size, even if the main part of the tower is lowered so as to be submerged under the sea surface during strong winds or storms, the propeller is still used. Since a large wind pressure acts on the type wind turbine, it is presumed that it is not always sufficient in terms of stability during strong winds and storms.

JP 2002-130113 A JP 2007-263077 A

  The problem to be solved by the present invention is that it can be installed on the ocean to obtain a large output and clean power output, and it has excellent stability even in strong winds and storms, and there is no risk of collapse etc. There is no natural energy-based power generation device.

  The water-based natural energy generating power generation apparatus of the present invention is framed in a polygonal shape in plan view, has a float at each vertex position, and induces buoyancy that the entire apparatus floats on the water, and the floating body by the floating body at the center position of the floating body A base shaft that is supported vertically from below the water surface to the top of the water surface, a rotor that generates electric power by receiving the rotational force supported by the base shaft, a generator that uses a coreless coil body as a coaxial inversion type, and the generator A vertical-axis vertical wing type windmill that is rotatably supported by a bearing body provided in an upper base cylinder that houses a vertical shaft protruding from the shaft, and that rotates by wind energy and rotates a generator via the vertical shaft; The main feature is that it includes a weight body that exhibits a swing restoring action attached to an end of the base shaft below the water surface, and a mooring body that anchors the floating body or weight body to the bottom of the water.

  According to the first aspect of the present invention, a floating body that is framed in a polygonal shape in plan view and that has a float at an end position is employed, and a power generation that is coaxially inverted by a base shaft that stands vertically to the center position of the floating body. The vertical axis vertical wing type windmill arranged above the floating body transmits the rotational force of wind energy to the generator to obtain the power generation output, and is attached to the end of the base shaft below the sea level. Because it is constructed so that the wind turbine and the floating body act on the wind turbine and floating body by the weight body moored on the sea floor by the mooring body, it is installed on the ocean, on the lake water, etc., and the power output by the large output and clean wind power In addition, it is possible to provide a power generation system using natural water on the surface that is excellent in stability even in strong winds and storms, and does not cause collapse.

  According to the second aspect of the present invention, a floating body having a triangular shape in a plan view and having floats at three end positions is adopted, and a coaxial inversion type is provided by a base shaft erected perpendicularly to the center position of the floating body. Further, the vertical axis vertical wing type windmill disposed above the floating body is used to transmit the rotational force of wind energy to the generator to obtain a power generation output, and the end portion of the base shaft below the sea level. The invention according to claim 1, wherein the swinging restoring force is applied to the windmill and the floating body by a weight body moored to the seabed by a mooring body selected from a chain, an anchor or a anchor. Similar to, it can be installed on the ocean, on the lake water, etc., and it can generate power output with high power and clean wind power, and it has excellent stability even in strong winds and storms, and there is no risk of collapse etc. Use It is possible to provide a collector.

  According to the invention described in claim 3, the same effect as that of the invention described in claim 2 is exhibited, and the solar panels are arranged on some or all of the floats, thereby generating more power. It is possible to provide a water-based natural energy generating power generation device with a large output.

  According to a fourth aspect of the invention, in the invention according to any one of the first to third aspects, since the outer rotor and the coreless type coil body are provided with a coaxial reversal type generator, the first to third aspects are provided. In addition to the effects of the invention described in any of the above, it is possible to provide a water-based natural energy power generation device that can efficiently obtain a large power generation output by wind power.

  According to the invention described in claim 5, in the invention described in any one of claims 1 to 4, the wind turbine can be rotated in a floating state together with the float and the vertical shaft by sharing the thrust load of the wind turbine using buoyancy. Since it has a floating bearing portion that is pivotally supported on the wind turbine, it is possible to achieve the effects of the invention according to any one of claims 1 to 4 and to contribute to improvement in rotation stability of the windmill and noise reduction. A power generation device can be provided.

  According to the invention described in claim 6, in the invention described in any one of claims 1 to 4, the wind turbine can be rotated in a floating state together with the float and the vertical shaft by using the magnetic force to share the thrust load of the wind turbine. Since it has a floating bearing portion that is pivotally supported on the wind turbine, it is possible to achieve the effects of the invention according to any one of claims 1 to 4 and to contribute to improvement in rotation stability of the windmill and noise reduction. A power generation device can be provided.

  According to the seventh aspect of the present invention, since a plurality of the above-described water-based natural energy power generation devices according to the first aspect are arranged on the ocean, on the lake, etc., an extremely large power generation output is obtained. Therefore, it is possible to provide a water-based natural energy power generation apparatus assembly that can function as a power base using natural energy.

  According to the eighth aspect of the present invention, a plurality of water-based natural energy-use power generators each having a float at each apex position in a triangular shape in plan view according to the second aspect described above are arranged in a row on the ocean, on the lake, or the like. Therefore, it is possible to provide an aquatic natural energy power generation apparatus assembly that can obtain an extremely large power generation output and can function as a power base using natural energy.

FIG. 1 is a schematic perspective view showing an overall configuration of a water-based natural energy power generation apparatus according to Embodiment 1 of the present invention. FIG. 2 is a schematic perspective view of the wind turbine constituting the wind power generator according to the first embodiment as viewed from the surface. FIG. 3 is a schematic perspective view seen from the back surface of the blade constituting the wind turbine in the water-based natural energy power generation apparatus according to the first embodiment. FIG. 4 is a schematic exploded cross-sectional view of the generator in the water-based natural energy power generation apparatus according to the first embodiment. FIG. 5 is a schematic plan view of the generator in the water-based natural energy power generation apparatus according to the first embodiment. FIG. 6 is a partially cutaway schematic perspective view showing a buoyancy type bearing body provided on the upper base cylinder in the water-based natural energy power generation apparatus according to the first embodiment. FIG. 7 is a schematic cross-sectional view showing a buoyancy type bearing body provided on the upper base cylinder in the water-based natural energy power generation apparatus according to the first embodiment. FIG. 8 is a partially cutaway schematic perspective view showing a magnetic bearing provided in the upper base cylinder in the water-based natural energy power generation apparatus according to the first embodiment. FIG. 9 is a schematic cross-sectional view showing a magnetic bearing provided in the upper base cylinder in the water-based natural energy power generation apparatus according to the first embodiment. FIG. 10 is a block diagram illustrating an output system of generated power in the water-based natural energy power generation apparatus according to the first embodiment. FIG. 11: is a schematic perspective view which shows the whole structure of the water-based natural energy utilization electric power generating apparatus which concerns on Example 2 of this invention. FIG. 12: is a schematic plan view which shows the whole structure of the water-based natural energy utilization electric power generating apparatus aggregate | assembly which concerns on Example 3 of this invention.

  The present invention is a water-based natural energy generating power generation device that can be installed on seawater such as the sea to achieve a large output and a clean power generation output, and has excellent stability even in strong winds and storms, and does not have the risk of collapse. A floating body that is framed in a triangular shape in plan view, has a float at each vertex position, and induces a buoyancy that floats on the water in a state where each float is exposed on the water, and a central position of the floating body And a base shaft erected vertically from below the water surface to above the water surface, a rotor that generates electric power by receiving the rotational force supported by the base shaft, and a generator having a coaxial reversal type coreless coil body, The shaft is rotatably supported by a bearing body provided in an upper base cylinder having a vertical shaft protruding from the generator, and rotated by wind energy to rotate the generator through the vertical shaft. A vertical axis vertical wing type windmill, a weight body constructed by enclosing water in a can body that is attached to an end portion of the base shaft below the surface of the water, and that anchors the floating body or weight body to the bottom of the water And a mooring body made of anchors or ridges.

  Below, the water natural energy utilization apparatus and the water natural energy utilization apparatus aggregate | assembly which concern on the Example of this invention are demonstrated in detail with reference to drawings.

  The water-based natural energy utilization device 151 according to the first embodiment of the present invention will be described in detail with reference to FIGS.

As shown in FIG. 1, the water natural energy utilization apparatus 151 according to the first embodiment is generally framed in a regular triangular shape, for example, in plan view, and has a total of three cans, one at each vertex position. A floating body 152 that floats on the sea surface with a float 153, is supported by the floating body 152 at the center of the floating body 152, and is supported by the base shaft 161 that is vertically erected from below the sea surface to above the sea surface. In addition, a rotor that obtains power generation output using the rotational force of the windmill 2 that is rotated by wind energy, a generator (coaxial inversion type coreless generator) 1 that uses a coreless coil body as a coaxial inversion type, and this generator 1 1, a plurality of, for example, four pieces provided in a cylindrical upper base tube 170 projecting vertically upward from the thrust type bearing bodies 162 arranged in order from top to bottom in FIG. The shaft 5 is rotatably supported by the radial bearing bodies 163, 164 and 165 via the connecting arm 3 and rotated by wind energy. For example, a gyromill type (vertical axis vertical blade type) streamlined blade 5 is provided. For example, three wind turbines 2 are attached to an end of the base shaft 161 below the sea surface, and the water natural energy utilization device 151 itself is exposed to strong winds such as a typhoon based on a so-called Yajirobe structure. It is selected from a weight body 171 that acts on restoring force, and a chain 174 that anchors one end to the weight body 171 and the other end to the seabed, and anchors the water natural energy utilization device 151 itself in place. Mooring body 172.
A stabilizer that suppresses the rotation of the floating body 152 may be disposed in the underwater portion of the float 153.

  The weight body 171 has, for example, a simple structure in which a required amount of seawater is filled in a hollow can body.

  Each blade 5 of the windmill 2 and each of the bearing bodies 162, 163, 164, 165 arranged in four stages are each four arranged around the upper base tube 170 at intervals of 120 degrees and at predetermined intervals in the vertical direction. The blades 5 are integrally connected by the connecting arms 3 one by one, whereby each blade 5 is configured to rotate together with the vertical shaft 136 built in the upper base tube 170.

  The three can-like floats 153 constituting the floating body 152 are frame-connected in a regular triangle shape in plan view using three base frame bodies 156 arranged horizontally.

  In addition, three support frames 157 are installed between the floats 153 and the base shaft 161 at intervals of 120 degrees with the base shaft 161 as the center, and thereby the base shaft 161 is perpendicular to the center position by the floating body 152. Supports the arrangement. Each of the foundation frame body 156 and the support frame body 157 adopts a truss structure to increase the strength thereof.

  The mooring body 172 can be composed of, for example, a chain 174 having one end attached to the bottom of the weight body 171 and the other end attached to a pile 173 placed on the seabed. It is configured to anchor itself in a stable position or in a state that allows movement within a certain range.

  The length of the chain 174 is a length for connecting the weight body 171 and the pile 173 in a tensioned state, and a length for connecting the float 153 and the pile 173 with a margin (water natural energy). For example, the utilization device 151 may be allowed to move within a certain range.

  In addition, a chain expansion / contraction mechanism unit that winds and stores the chain at an arbitrary position between the weight body 171 and the pile 173 in the chain 174, and changes the overall length by unwinding or winding the chain, It can also be set as the structure which accept | permits the movement within the fixed range of the water natural energy utilization apparatus 151. FIG.

  The mooring body 172 can also be configured using anchors, scissors, etc., although not shown.

  Further, the mooring body 172 is disposed between the floats 153 and the seabed in the same manner as described above, and the water natural energy utilization device 151 is allowed to move at a fixed position or within a certain range. It can also be configured to be moored to the.

  Each of the three blades 5 of the windmill 2 has a streamline shape that generates lift by wind energy as shown in FIG. 2 as shown in FIG. 2 and FIG. It is formed in a rectangular shape.

  Moreover, as shown in FIG. 3, the back surface of the said blade 5 is provided with the opening part 5a which catches wind energy from the back surface over several places.

Further, the blade 5 is made of a light metal alloy such as an aluminum alloy or a titanium alloy, a carbon fiber material, FRP (reinforced plastic) in order to increase the size of the blade 5 and to ensure the strength in a strong wind and to reduce the weight. ) It is made of a material selected from materials and the like, and the inside of the blade 5 is reinforced by filling the inside with foamed urethane, reinforced foamed polystyrene or the like.
For forming the outer portion of the blade 5, a bending process by a bender or the like, or an integral molding technique by a mold or the like is employed.

  By adopting such a blade 5, for example, wind energy can be efficiently converted into generated power regardless of the wind direction from a wind speed of 3 m / sec to a strong wind, and has high mechanical strength and durability. The wind turbine 2 is excellent in safety.

  The number of blades 5 of the windmill 2 is shown as a three-piece configuration in FIG. 1, but may be two, four, five, etc., and is limited to the example shown in FIG. Not a thing,

  Next, the generator 1 in the floating natural energy utilization apparatus 151 of the first embodiment will be specifically described with reference to FIGS. 4 and 5.

  The generator 1 includes a generator main body 10 and a shaft support 11 that rotatably supports the generator main body 10, and the shaft support 11 is attached to the upper end of a base shaft 161.

  The generator body 10 includes an outer rotor 12 that rotates in response to the rotational force of the windmill 2, a generator shaft 13 that pivotally supports the central portion of the outer rotor 12, and that allows the outer rotor 12 to rotate. And a disk-like coreless coil body (a bundle of coils compressed into a disk shape) 14 incorporated in the outer rotor 12 in a state where the central portion is supported by the generator shaft 13.

  The generator shaft 13 is provided with a screw 13a at the lower end, a large diameter portion 13b at the upper end side, and a protruding disc portion 13c below the large diameter portion 13b.

  The outer rotor 12 has a dish-disk-shaped upper rotor 21 having an opening on the lower side and a dish-disk-shaped lower rotor 31 having an opening on the upper side but joined to each other in a vertical arrangement, and is arranged in a circle at a position near the outer periphery of both. Are fixed together using a number of fixing bolts 22.

  The upper rotor 21 of the outer rotor 12 is fitted with the upper end portion of the generator shaft 13 on the lower side of the central portion thereof, and is provided with a columnar attachment portion 21a protruding upward on the central portion thereof.

  As shown in FIG. 5, the mounting portion 21 a is provided with a large number of screw holes 21 b in a circular arrangement, joined to the lower end portion 136 a of the vertical shaft 136, and attached to the upper rotor 21 and the vertical shaft 136 by mounting bolts 137. The lower end portion 136a is integrally coupled, and the rotational force of the vertical shaft 136 is transmitted to the outer rotor 12.

  Although not shown in the drawing, the vertical shaft 136 has a multi-part structure so that the mounting bolt 137 can be screwed into the screw hole 21b of the mounting portion 21a from the inner bottom side of the lower end portion 136a.

  Further, a main bearing 23 is disposed between the upper surface side of the large-diameter portion 13b of the generator shaft 13 and the inner bottom portion of the upper rotor 21 in the vicinity thereof, so that the upper rotor 21, and thus the outer rotor 12 can be rotatably supported. doing.

  A circular protrusion 25 having an inner diameter slightly larger than that of the large-diameter portion 13b is provided at an outer position of the main bearing 23 in the inner bottom portion of the upper rotor 21, and the lower end surface of the circular protrusion 25 is circular over the entire circumference. A gear 26 is provided.

  At a position near the outer periphery of the inner bottom portion of the upper rotor 21, a required number of magnets 24 are embedded in a circular arrangement with the end face facing the inner bottom surface.

  The lower rotor 31 is formed in a substantially symmetrical shape with respect to the upper rotor 21. That is, a circular concave step portion 32 into which the protruding disc portion 13c enters is provided on the upper surface of the central portion, and the generator shaft 13 is configured to penetrate the central position of the circular concave step portion 32.

  Further, in the vicinity of the outer periphery of the inner bottom portion of the lower rotor 31, a required number of coil portions 41 are arranged in a circular arrangement in a state where the end surface faces the inner bottom surface and facing the magnet 24 on the upper rotor 21 side. Buried.

  With such a configuration of the upper rotor 21 and the lower rotor 31, an accommodation chamber 33 for accommodating the coreless type coil body 14 is formed inside both of them.

  On the lower surface side of the lower rotor 31, a cylindrical mounting portion 34 that protrudes downward is provided at the center thereof, and a screw hole 35 is provided in a circular arrangement in the mounting portion 34.

  The coreless coil body 14 is coaxially arranged with the outer rotor 12 in the accommodating chamber 33, and an upper hole having an inner diameter into which the circular protrusion 25 of the upper rotor 21 enters, A slightly larger diameter hole than the large-diameter portion 13b of the generator shaft 13 is provided so that the large-diameter portion 13b passes therethrough.

  The coreless coil body 14 is rotatably supported by the generator shaft 13 via a bearing 46 disposed between the outer periphery of the lower end of the large diameter portion 13b and the prepared hole of the coreless coil body 14.

  A coil portion 41 is disposed on the upper surface of the coreless coil body 14 so as to correspond to and close to the magnet 24 on the upper rotor 21 side. Similarly, the lower rotor 31 is disposed on the lower surface thereof. The coil part 41 is arranged in a state of being in a corresponding arrangement with the magnet 24 on the side and in the proximity thereof.

  Furthermore, each coil part output end 42 in each of the upper and lower coil parts 41 in the coreless type coil body 14 is disposed at a position facing the lower surface of the coreless type coil body 14, and the power generation located in the circular concave step part 32. It is comprised so that the protrusion disc part 13c in the axis 13 may be made to oppose.

  Then, the generator main body 10 is connected to each brush (collector) 43 disposed on the upper surface of the projecting disk portion 13 c corresponding to each coil portion output end 42 via an output cable 44 connected to each brush 43. It is configured to take out the power generation output by.

  Instead of the configuration of each coil portion output end 42 and brush 43, for example, a configuration using electromagnetic inductive coupling of a primary transformer and a secondary transformer, a magnet for the coreless coil body 14, and a coil on the protruding disk portion 13c side. In addition, a brushless type current collector having a configuration in which an electronic circuit for commutation is provided may be used.

  A circular gear 45 similar to the circular gear 26 of the circular protrusion 25 is provided over the entire circumference on the upper surface side (upper hole side) of the circular protrusion 14 a that forms the lower hole in the coreless coil body 14. .

  A plurality of reverse gears 51 are mounted on the outer periphery of the large-diameter portion 13b of the generator shaft 13 so as to be positioned in the upper hole and have a rotational axis in the horizontal direction. The reverse gears 51 are connected to the circular gear 26. The gears are respectively coupled to the circular gears 45.

  With such a configuration, when the outer rotor 12 rotates in the direction of arrow a (counterclockwise) shown in FIG. 4, the coreless coil body 14 rotates reversely in the direction of arrow b shown in FIG. It is configured as follows.

  That is, the outer rotor 12 and the coreless coil body 14 are configured to be coaxially reversed using the reverse gear 51.

  The shaft support 11 has a fixed support 61 for fixing and supporting the generator shaft 13 by fitting the generator shaft 13 into a central hole 61a and projecting it downward, and screwing a nut 62 into the screw 13a of the generator shaft 13 from below. A superposed structure is formed with the rotating support 71 through which the generator shaft 13 passes through a through-hole 71a having the same diameter as the central hole 61a provided in the central portion in close contact with the fixed support 61.

  That is, the rotary support 71 is rotatably supported with respect to the fixed support 61 via a bearing 63 provided therebetween, and is rotated in a circular groove 61b provided on the outer periphery of the upper surface of the fixed support 61. A circular ridge 71 b provided on the outer peripheral portion of the lower surface of the support 71 is fitted, whereby the rotation support 71 is configured to be able to rotate smoothly while closely contacting on the fixed support 61.

  A screw hole 64 is provided on a side surface of the fixed support 61 so as to be orthogonal to the axial direction of the central hole 61a. The upper end of the base shaft 161 is fitted from below the fixed support 61, and a bolt 65 is used. The shaft support 11 is configured to be attached to the upper end portion of the base shaft 161.

  A mounting bolt 72 is disposed on the rotary support 71 in a position corresponding to the screw hole 35 of the mounting portion 34 in the lower rotor 31, and this rotation is performed before the rotary support 71 and the fixed support 61 are assembled. The support 71 is attached to the lower rotor 31, and then the fixed support 61 is assembled to the rotation support 71.

  A support bearing 73 for the generator shaft 13 is disposed at the upper end portion of the through hole 71 a in the rotary support 71.

  In FIG. 4, reference numerals 52 denote roller bearings disposed between the upper rotor 21 and the coreless coil body 14 and between the lower rotor 31 and the coreless coil body 14.

  In FIG. 4, reference numeral 74 denotes a generator cover body that is arranged so as to cover the lower end portion of the upper base tube 170 in a non-contact manner above and on the side of the generator 1.

  According to the generator 1 in the above-described water-based natural energy utilization apparatus 151, when the windmill 2 rotates in the direction of arrow a shown in FIG. 4 by wind energy, the outer rotor 12 also rotates in the direction of arrow a. The rotational force of the rotor 12 is transmitted to the reverse gear 51. As a result, the coreless coil body 14 rotates in the direction of the arrow b shown in FIG. 4 via the reverse gear 51 (coaxial reversal).

  As a result, a large power generation output corresponding to an increase in the relative speed between the magnets 24 and the coil part 41 is transmitted from the coil part output end 42 of the coreless coil body 14 via the brush 43 and the output cable 44. In addition, power can be supplied to the load.

  More specifically, according to the generator 1, the outer rotor 12 and the coreless coil body 14 are coaxially reversed only by a simple element called a reverse gear 51 that rotates in accordance with the rotation of the windmill 2. Therefore, it is possible to obtain, for example, twice the relative speed between the outer rotor 12 and the coreless type coil body 14 as compared with a generator using a normal rotor and stator, and the condition of the same wind energy. Therefore, it is possible to obtain a power generation output larger than that of a normal wind power generator.

Specifically, when it is assumed that the power generation output is 100 at a rotation speed of 100 in a normal generator, according to the power generator 1 according to the present embodiment, 100 power generation output is obtained at a rotation speed of 50. Can do. Or, if the rotational speed is 100, 200 power generation outputs can be obtained.
Next, the bearing bodies 162 to 165 provided on the upper base tube 170 in the water natural energy utilization apparatus 151 will be described.
Of the bearing bodies 162, 163, 164, and 165, the uppermost bearing body 162 constitutes a floating bearing portion 121 that shares the thrust load of the wind turbine 2, as shown in FIGS.
In the levitation bearing portion 121, a central disk portion 112 that connects the base end portions of the connection arms 3 is arranged on the top of the upper base tube 170.

  The levitation bearing portion 121 has, for example, an opening end of a hemispherical blocking member 132 at an inner peripheral portion of the upper base tube 170 at a lower portion that is a position that is lowered inward and downward from the opening end side of the upper base tube 170. Has a buoyancy chamber 131 formed by being fixed by welding or the like and closed.

  In the buoyancy chamber 131, a liquid composed of an antifreeze liquid 133 for generating buoyancy and an oil 134 covering the liquid surface of the antifreeze liquid 133 is stored. The oil 134 covers the surface of the antifreeze liquid 133 to prevent the antifreeze liquid 133 from evaporating.

  Further, the levitation bearing portion 121 is suspended from the lower surface of the central disk portion 112 with the upper end portion being connected via a connecting member 116, and the substantially entire surface is exposed to the antifreeze liquid 133 of the buoyancy chamber 131. The outer shape of the float 135 is substantially elliptical, and the closing member 132 is penetrated from the lower end of the float 135 in a liquid-tight state with a seal member (not shown), for example, extending downward in the upper base tube 170, And a vertical shaft 136 connected to the generator 1.

A radial bearing portion 122 on the upper side is provided at the upper end of the upper base tube 170 and the inner peripheral portion of the central disk portion 112.
The radial bearing portion 122 includes a circular bearing piece portion 170a provided on the outer peripheral portion of the top portion of the upper base tube 170 and a circular bearing piece portion 112b provided on a circular inner peripheral portion 112a on the inner peripheral side of the central disk portion 112. Are arranged opposite to each other, and a ball bearing structure in which a large number of bearing steel balls 124 are interposed therebetween.

  The bearing bodies 163, 164, 165 adopt, for example, a ball bearing structure, are provided at predetermined intervals on the outer peripheral portion of the upper base tube 170, and are connected to the three connecting arms 3, respectively. It is configured to share the radial load.

  The shaft support operation of the bearing bodies 162 to 165 will be described with reference to FIG.

  In the levitation bearing portion 121, buoyancy F caused by the antifreeze liquid 133 acts on the float 135 that faces the antifreeze liquid 133 in the buoyancy chamber 131.

  At this time, assuming that the load M of the windmill 2 acting in the direction of pushing the float 135 downward is set in advance so that buoyancy F> load (thrust load) M, the windmill 2 is lifted. The bearing portion 121 is supported in a state where it floats through the antifreeze liquid 133.

  On the other hand, the radial bearing portion 122 on the upper side shares the radial load of the wind turbine 2 in the outer peripheral region of the top portion of the upper base tube 170, and the bearing bodies 163, 164, and 165 are the upper base tube. The radial load of the wind turbine 2 is shared at positions separated by a predetermined distance from the top of 170.

  As a result, by the levitation bearing portion 121 having a simplified structure using the buoyancy chamber 131, the antifreeze liquid 133, and the float 135 described above, the heavy-weight windmill 2 is rotated around the vertical shaft 136 together with the float 135 and the vertical shaft 136. Can be supported in a highly accurate and stable state without rolling, and can be supported in a state in which the thrust load is offset or greatly reduced. Noise reduction can also be achieved.

  Next, a bearing body 162A, which is another example of the bearing body 162 provided on the upper base cylinder 170 in the water-based natural energy utilization apparatus 151, will be described with reference to FIGS. In addition, the same code | symbol is attached | subjected to the element same as the case of the said bearing body 162, and the detailed description is abbreviate | omitted.

  The bearing body 162A shown in FIGS. 8 and 9 is a levitation bearing portion 210 by magnetic force, and the levitation bearing portion 210 is horizontally disposed in the upper base tube 170 with an interval in the center line direction thereof, and The first magnet 211 and the second magnet 212 are fixed in a concentric arrangement.

  In addition, the levitation bearing portion 210 is suspended vertically downward while attaching an upper end to a connecting member 116 attached to the central portion of the central disk portion 112, and penetrates the first magnet 211 and the second magnet 212 to form an upper base cylinder. A vertical shaft 136 extending downward in 170, between the first magnet 211 and the second magnet 212 with respect to the vertical shaft 136, and with a gap from the first magnet 211 and the second magnet 212, respectively, and It has a disk-like levitating magnet 221 concentrically arranged and connected to the vertical shaft 136 in a horizontal state.

  The first magnet 211, the levitating magnet 221, and the second magnet 212 are housed in a substantially cylindrical housing 213 in order from the top to the bottom. The housing 213 is configured to fix and support the first magnet 211 and the second magnet 212 and to sandwich the floating magnet 221 from above and below in a non-contact manner. The outer peripheral portion of the housing 213 is fixedly connected to the inner peripheral portion of the upper base tube 170 via a connecting piece 214.

  Further, the bearing body 162A is provided with a radial bearing portion 122 having the same structure as that shown in FIGS.

  Next, the axial support operation of the wind turbine 2 by the bearing body 162A will be described with reference to FIG.

  In the levitation bearing portion 210 constituting the bearing body 162A, as shown in principle in FIG. 9, the first magnet 211 and the levitation magnet 221 are opposed to each other with the same magnetic poles, for example, S poles, and the second magnet 212 is arranged. And the levitating magnet 221 are opposed to each other with the same magnetic poles of N poles, and the repulsive force acting between the first magnet 211 and the levitating magnet 221 and between the second magnet 212 and the levitating magnet 221 passes through the levitating magnet 221. The load (thrust load) M of the windmill 2 is canceled out, so that the windmill 2 is pivotally supported with the vertical shaft 136 in a floating state via the levitating magnet 221.

  On the other hand, the radial bearing portion 122 on the upper side shares the radial load of the wind turbine 2 in the outer peripheral region of the top portion of the upper base tube 170.

  Although not shown in FIGS. 8 and 9, the bearing bodies 163, 164, 165 respectively share the radial load of the wind turbine 2 at positions separated from the top of the upper base tube 170 by a predetermined distance. .

  As a result, the heavy-duty wind turbine 2 can be rotated with the vertical shaft 136 together with the vertical shaft 136 in a highly accurate and stable state without rolling around the vertical shaft 136 by the above-described magnetically utilizing bearing body 162A. In addition, the shaft can be supported in a state where the thrust load is greatly reduced, and noise reduction associated with the rotation of the wind turbine 2 can be achieved.

  Next, the output system of the generated power in the floating natural energy utilization apparatus 151 of the first embodiment will be described with reference to FIG.

  The output system of the generated power is omitted in specific wiring, but the power generation output of the generator 1 is transmitted to the controller 141 installed in the float 153 of the water natural energy utilization device 151 via the output cable 44, for example. In addition, power is transmitted from the floating natural energy utilization device 151 via the power cable 142 to the power distribution facility 180 provided on land near the installation location of the floating natural energy utilization device 151 to supply power to various load facilities, or to an electric power company. It can be configured to sell electricity.

  Moreover, although not shown in figure in the float 153 of the water natural energy utilization apparatus 151, an electrical storage equipment (battery) is arrange | positioned, and the electrical storage equipment is charged with the electric power from the controller 141, and it provides in the water natural energy utilization apparatus 151 as needed. It is also possible to supply power to a load facility (for example, a restaurant or a heliport installed on the float 153).

  Further, as the generated power operation method of the water natural energy utilization apparatus 151 according to the first embodiment, there are a power system interconnection system linked to a commercial power supply, a backup power supply linked to the power system and performing backup in the event of a power system power failure. Various generated power operation methods such as an independent power generation method that is not linked to the power system and the power system can be adopted.

  Referring to specific examples of the specifications of the windmill 2, the generator 1 and the like in the first embodiment, the height of the highest portion of the windmill 2 is 90 m from the sea surface, and the size of the blade 5 is 60 m long and 9 m wide. Examples include an output of the generator 1 of 1200 kW, a diameter of the float 153 of 30 m, and an interval of 90 m between adjacent floats 153.

  According to the water natural energy utilization apparatus 151 of the first embodiment, wind energy can be used to obtain a clean and large power generation output that does not cause global warming, and the development of the industry from the viewpoint of power supply. It can contribute greatly.

  Next, a surface natural energy utilization apparatus 151A according to Embodiment 2 of the present invention will be described with reference to FIG.

  In addition, in the water natural energy utilization apparatus 151A which concerns on this Example 2, the same code | symbol is attached | subjected to the same element as the case of the water natural energy utilization apparatus 151 which concerns on Example 1, and the detailed description is abbreviate | omitted.

  The water-based natural energy utilization device 151A according to the second embodiment has the same basic configuration as that of the water-based natural energy utilization device 151 according to the first embodiment, but the solar panel 154 is disposed on the upper surface of the float 153 in the floating body 152. And a support disk 155 is further disposed on the uppermost bearing body 162 on the upper base tube 170, and a solar panel 154 is also installed on the support disk 155. It is. The remaining configuration is the same as that of the first embodiment described above.

  The solar panel 154 is installed on each of the floats 153. The solar panel 154 is installed on all of the three floats 153. Of the three floats 153, the solar panel 154 is installed on two of the three floats 153. Needless to say, any installation mode such as installing only one unit can be adopted.

  According to the surface natural energy utilization apparatus 151A according to the second embodiment, it is possible to obtain a clean and large power generation output that does not cause global warming by using both wind energy and solar energy. It can greatly contribute to industrial development from the viewpoint.

  Next, the water natural energy utilization apparatus aggregate 201 according to Embodiment 3 of the present invention will be described with reference to FIG.

  The floating natural energy utilization device assembly 201 according to the third embodiment includes a large number of the floating natural energy utilization devices 151 shown in FIG. 1 arranged on the water (offshore), combined with wind energy, and extremely It is characterized by obtaining a large power output.

  An example of the number of the above-mentioned water natural energy utilization devices 151 arranged as shown in FIG. 12 is that the water natural energy utilization devices 151 are vertically and horizontally arranged in a vast space of 3 km × 3 km on the coast of Japan. An example of arranging 100 bases in the arrangement can be given.

  In this case, if one power generation output is 1200 kW, it is possible to obtain a very large total power output of 120,000 kW as a whole.

  Furthermore, by installing such a water natural energy utilization apparatus assembly 201 on, for example, 10 coastal areas in Japan, the total power output becomes 1.2 million kW, which is equivalent to one nuclear power plant. Can be realized.

  In addition, when the water natural energy utilization device aggregate 201 is constructed using the water natural energy utilization device 151A of the second embodiment described above shown in FIG. 11, the power generation output using both wind energy and solar energy. Is larger and the power generation output is more stable.

  In the floating natural energy utilization devices 151 and 151A, for example, a restaurant is built in the float 153 and a customer is invited by a pleasure boat, a helicopter is dispatched on the float 153, and a fish reef is placed inside the floating body 152. In addition, it can be used for a wide range of purposes such as collecting fish. Moreover, although not shown in figure in the float 153 of the water natural energy utilization apparatus 151,151A, an electrical storage equipment (battery) is arrange | positioned, the electrical storage equipment is charged with the electric power from the controller 141, and the load installation in the water natural energy utilization apparatus 151 is carried out. It is also possible to supply power to the

  The water-based natural energy utilization apparatus of the present invention is installed as a power base using natural energy near the harbor or on the lake where the conditions of wind and sunlight are good as well as offshore, and nearby factories, buildings, houses, etc. On the other hand, it can be suitably applied to uses such as supplying power by a clean power generation method that does not cause global warming.

DESCRIPTION OF SYMBOLS 1 Generator 2 Windmill 3 Connection arm 5 Blade 5a Opening 10 Generator main body 11 Shaft support body 12 Outer rotor 13 Generator shaft 13a Screw 13b Large diameter part 13c Projection disk part 14 Coreless type coil body 14a Circular projection part 21 Upper rotor 21a Mounting portion 21b Screw hole 22 Fixing bolt 23 Main bearing 24 Magnet 25 Circular protrusion 26 Circular gear 31 Lower rotor 32 Circular concave step portion 33 Storage chamber 34 Mounting portion 35 Screw hole 41 Coil portion 42 Coil portion output end 43 Brush 44 Output Cable 45 Circular gear 46 Bearing 51 Reverse gear 61 Fixed support 61a Central hole 61b Circular groove 62 Nut 63 Bearing 64 Screw hole 65 Bolt 71 Rotating support 71a Through hole 71b Circular protrusion 72 Bolt 73 Support bearing 112 Central disk part 112a Circular inner periphery 12b Circular bearing piece portion 116 Connecting member 121 Floating bearing portion 122 Radial bearing portion 124 Steel ball 131 Buoyancy chamber 132 Closure member 133 Antifreeze 134 Oil 135 Float 136 Vertical shaft 136a Lower end portion 137 Bolt 141 Controller 142 Power cable 151 Water natural energy utilization device 151A Water Natural Energy Utilizing Device 152 Floating Body 153 Float 154 Solar Panel 155 Support Disk 156 Base Frame 157 Support Frame 161 Base Shaft 162 Bearing Body 162A Bearing Body 163 Bearing Body 164 Bearing Body 165 Bearing Body 170 Upper Base Tube 170a Circular Bearing Piece 171 Weight 172 Mooring body 173 Pile 174 Chain 180 Power distribution equipment 201 Water natural energy utilization device aggregate 210 Floating bearing portion 211 First magnet 212 Second magnet 213 Housing 214 Connecting piece 2 1 levitation magnet F buoyancy M load

Claims (8)

A floating body that is framed in a polygonal shape in plan view, has a float at each vertex position, and induces buoyancy that the entire device floats on the water;
A base shaft that is supported by the floating body at the center position of the floating body and is vertically erected from below the water surface to above the water surface;
A rotor that generates power by receiving the rotational force supported by the base shaft, and a generator that uses a coreless coil body as a coaxial inversion type;
A vertical axis vertical airfoil type that is rotatably supported by a bearing body provided in an upper base cylinder that includes a vertical shaft protruding from the generator, and rotates by means of wind energy to rotate the generator through the vertical shaft. With windmills,
A weight body that exerts a swing restoring action attached to an end of the base shaft below the water surface;
A mooring body for mooring the floating body or weight body to the bottom of the water;
A water-based natural energy power generation device characterized by comprising: A floating body that is framed in a triangular shape in plan view, has a float at each vertex position, and induces a buoyancy that floats on the water in a state where each float is exposed on the water;
A base shaft that is supported by the floating body at the center position of the floating body and is vertically erected from below the water surface to above the water surface;
A rotor that generates power by receiving the rotational force supported by the base shaft, and a generator that uses a coreless coil body as a coaxial inversion type;
A vertical axis vertical airfoil type that is rotatably supported by a bearing body provided in an upper base cylinder that includes a vertical shaft protruding from the generator, and rotates by means of wind energy to rotate the generator through the vertical shaft. With windmills,
A weight body having a structure in which water is enclosed in a can body that exhibits a swing restoring action attached to an end portion of the base shaft below the water surface;
A mooring body selected from chains, anchors or anchors that moor the floating body or weight body to the bottom of the water;
A water-based natural energy power generation device characterized by comprising: A floating body that is framed in a triangular shape in plan view, has a float at each vertex position, and induces a buoyancy that floats on the water in a state where each float is exposed on the water;
A base shaft that is supported by the floating body at the center position of the floating body and is vertically erected from below the water surface to above the water surface;
A rotor that generates power by receiving the rotational force supported by the base shaft, and a generator that uses a coreless coil body as a coaxial inversion type;
A vertical axis vertical airfoil type that is rotatably supported by a bearing body provided in an upper base cylinder that includes a vertical shaft protruding from the generator, and rotates by means of wind energy to rotate the generator through the vertical shaft. With windmills,
Solar panels arranged on some or all of the floats in the float,
A weight body having a structure in which water is enclosed in a can body that exhibits a swing restoring action attached to an end portion of the base shaft below the water surface;
A mooring body selected from chains, anchors or anchors that moor the floating body or weight body to the bottom of the water;
A water-based natural energy power generation device characterized by comprising: The coaxial inversion generator is
A generator shaft fixedly supported by the base shaft, an outer rotor with a magnet rotatably supported by the generator shaft and driven to rotate by the windmill, a coaxial arrangement within the outer rotor and supported by the generator shaft A coreless type coil body that is rotatably incorporated and has a coil portion arranged in correspondence with the magnet, and a circular gear and gear that are supported by the generator shaft and provided in a circular arrangement on both the outer rotor and the coreless type coil body A reversing gear for rotating the coreless coil body in the reverse direction according to the rotation of the outer rotor, and the magnet and the coil portion by the rotation of the outer rotor and the coreless coil body in the reverse direction. The power generation output corresponding to the increase in relative speed is fixed around the generator shaft from the coil part output end of the coreless coil body. Configured things to take out through the current collector was location,
The water-based natural energy power generation device according to any one of claims 1 to 3. The bearing body provided on the upper base tube is
A buoyancy chamber for storing buoyancy-generating liquid provided in the upper base cylinder; an in-axis float suspended from the central disk portion of the windmill and facing the liquid in the buoyancy chamber; and a lower end of the in-axis float A vertical shaft extending through the buoyancy chamber in a liquid-tight state and extending downward in the upper base cylinder and connected to a generator, and the buoyancy acting on the float in the shaft from the liquid in the buoyancy chamber Having a levitation bearing portion that shares the thrust load of the windmill and pivotally supports the windmill in a floating state together with the float and the vertical shaft;
The water-based natural energy power generation device according to any one of claims 1 to 4. The bearing body provided on the upper base tube is
An annular magnet fixed to the inner periphery of the upper base cylinder in the upper base cylinder, and extends downwardly in the upper base cylinder, penetrating from the center of the central disk part of the windmill and passing through the annular magnet And a disk-like levitating magnet fixed to the vertical axis so as to face the annular magnet with respect to the vertical axis, and levitated by the repulsive force between the magnet and the levitating magnet Having a levitation bearing portion that shares the thrust load of the windmill via a magnet and pivotally supports the windmill in a floating state together with a vertical shaft;
The water-based natural energy power generation device according to any one of claims 1 to 4. A floating body that is framed in a polygonal shape in plan view and has a float at each vertex position to induce buoyancy that the entire device floats on the water, and is supported by the floating body at the center position of the floating body and extends from below the water surface to above the water surface An upper base that includes a base shaft standing vertically, a rotor that receives power generated by the rotational force supported by the base shaft, a generator that uses a coreless coil body as a coaxial inversion type, and a vertical shaft that protrudes from the generator A vertical-axis vertical wing type windmill that is rotatably supported by a bearing body provided on a cylinder, rotates by wind energy and rotates the generator via the vertical axis, and is attached to an end portion below the water surface of the base shaft A natural water-based power generation system configured to output a power generated by the generator, the weight body exhibiting a rocking restoring action and a mooring body mooring the floating body or the weight body to the bottom of the water The location,
A water-based natural energy-based power generation apparatus assembly characterized in that a plurality of the water is arranged on the water. A floating body that is framed in a triangular shape in plan view, has a float at each vertex position, and induces buoyancy that floats on the water when each float is exposed on the water, and is supported by the floating body at the center position of the floating body In addition, a base shaft standing vertically from below the water surface to the top of the water surface, a rotor that generates power by receiving the rotational force supported by the base shaft, a generator having a coreless coil body coaxially inverted, and a projecting from the generator A vertical axis vertical wing type windmill that is rotatably supported by a bearing body provided in an upper base cylinder that includes a vertical shaft, and that rotates by wind energy and rotates a generator via the vertical shaft, and the base shaft A weight body constructed by enclosing water in a can body that exerts a swing restoring action attached to an end portion below the surface of the water, and a mooring selected from a chain, anchor, or anchor anchoring the floating body or weight body to the bottom of the water body Has a water natural energy power generation device configured to output the electric power generated by the generator,
A water-based natural energy-based power generation apparatus assembly characterized in that a plurality of the water is arranged on the water.

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