WO2014122731A1 - Système de génération d'énergie - Google Patents

Système de génération d'énergie Download PDF

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Publication number
WO2014122731A1
WO2014122731A1 PCT/JP2013/052635 JP2013052635W WO2014122731A1 WO 2014122731 A1 WO2014122731 A1 WO 2014122731A1 JP 2013052635 W JP2013052635 W JP 2013052635W WO 2014122731 A1 WO2014122731 A1 WO 2014122731A1
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WO
WIPO (PCT)
Prior art keywords
power generation
generation system
floating
water
floating body
Prior art date
Application number
PCT/JP2013/052635
Other languages
English (en)
Japanese (ja)
Inventor
速水浩平
Original Assignee
株式会社音力発電
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 株式会社音力発電 filed Critical 株式会社音力発電
Priority to PCT/JP2013/052635 priority Critical patent/WO2014122731A1/fr
Priority to JP2013509384A priority patent/JP5458426B1/ja
Publication of WO2014122731A1 publication Critical patent/WO2014122731A1/fr

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
    • F03B11/08—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator for removing foreign matter, e.g. mud
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/061—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially in flow direction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03B—MACHINES OR ENGINES FOR LIQUIDS
    • F03B17/00—Other machines or engines
    • F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
    • F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
    • F03B17/063—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction the flow engaging parts having no movement relative to the rotor during its rotation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/12—Fluid guiding means, e.g. vanes
    • F05B2240/124—Cascades, i.e. assemblies of similar profiles acting in parallel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/10—Stators
    • F05B2240/13—Stators to collect or cause flow towards or away from turbines
    • F05B2240/133—Stators to collect or cause flow towards or away from turbines with a convergent-divergent guiding structure, e.g. a Venturi conduit
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/20—Rotors
    • F05B2240/202—Rotors with adjustable area of intercepted fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/40—Use of a multiplicity of similar components
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2240/00—Components
    • F05B2240/90—Mounting on supporting structures or systems
    • F05B2240/93—Mounting on supporting structures or systems on a structure floating on a liquid surface
    • F05B2240/932—Mounting on supporting structures or systems on a structure floating on a liquid surface which is a catamaran-like structure
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/20—Hydro energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient

Definitions

  • the present invention relates to a power generation system.
  • a power generation device that generates power using the energy of running water has been proposed (see, for example, Patent Document 1).
  • a power generation device includes a pipe for passing running water, a water wheel provided inside the pipe, and a generator connected to the water wheel.
  • this electric power generation apparatus generates electric power by transmitting the energy of flowing water to a generator by rotating a water wheel with the flowing water which passes through the inside of a pipe, and driving a generator with the transmitted flowing water energy.
  • This invention is made in view of the above, Comprising: It aims at providing the electric power generation system which can suppress that a foreign material accumulates.
  • the power generation system is a power generation system that converts the energy of running water into electricity through power generation means, at least a part of which is on the water surface.
  • Rotating means provided at least partially below the water surface between each other or between the lower part and the bottom of the water, the rotating means rotating by the energy of the flowing water
  • the power generation system according to claim 2 is the power generation system according to claim 1, wherein the rotating means is arranged between the pair of floating bodies, and the pair of floating bodies is arranged from below the rotating means.
  • the space portion is arranged so that the lower portion between the pair of floating bodies is in an open state while reaching the lower portion.
  • the power generation system according to claim 3 is the power generation system according to claim 2, wherein a part of the adjacent floating body side part of at least some of the pair of floating bodies is adjacent to the adjacent floating body. It is formed in a substantially convex shape that protrudes toward the floating body.
  • the power generation system according to claim 4 is the power generation system according to claim 3, wherein the top line of the convex portion of the at least part of the floating body is substantially obliquely slanted with respect to the vertical direction, or The at least part of the floating body is formed so as to have a substantially curved shape that curves in a substantially convex shape toward the upstream side or the downstream side.
  • the position of the convex portion in the at least some floating bodies or the shape of the top line in the convex portion is adjusted.
  • the at least part of the floating body is formed so as to be possible.
  • the power generation system according to claim 6 is the power generation system according to any one of claims 1 to 5, wherein a height from an upper end of the floating body to a water surface is maintained at a predetermined height. It has a hydrofoil for.
  • the power generation system according to claim 7 is the power generation system according to claim 6, wherein a side surface of the side surface of the hydrofoil that receives the resistance of flowing water flowing from upstream to downstream suppresses accumulation of the foreign matter.
  • the hydrofoil is formed so as to be a substantially inclined surface or a substantially curved surface that can be used.
  • the power generation system according to claim 8 is the power generation system according to any one of claims 1 to 7, wherein the rotation means includes a rotation shaft, and a plurality of blade portions connected to the rotation shaft.
  • the tip portion of at least a part of the plurality of blade portions has a side surface shape, a portion on the rotating shaft side of the tip portion is curved in a concave shape to form a groove portion, and a rotating shaft at the tip portion is formed.
  • the protruding portion By forming the protruding portion by curving the portion on the opposite side to the side, it is formed in a substantially S shape, so that flowing water flowing from upstream to downstream can flow into the groove portion. At least a part of the plurality of blade portions is formed.
  • the space portion is provided below the rotating means between the pair of floating bodies or between the lower part and the bottom of the pair. Since the space part for allowing the contained foreign substances to pass through is formed, it is possible to suppress the accumulation of foreign substances between the pair of floating bodies or between the pair of floating bodies and the bottom from each other to the bottom of the water. Can do. Therefore, for example, it is possible to suppress a decrease in the number of rotations of the rotating unit due to the stagnant flow of the flowing water due to the accumulation of foreign matters, and it is possible to reduce the energy loss of the flowing water transmitted to the power generating unit. .
  • the space between the pair of floating bodies is open so that the space between the pair of floating bodies is open between the rotating means and the pair of floating bodies. Since the portion is arranged, it is possible to further suppress the accumulation of foreign matters between the pair of floating bodies.
  • the flow rate of the flowing water can be increased between the convex portions of the pair of floating bodies.
  • the top line of the convex portion of at least a part of the floating bodies is substantially obliquely inclined with respect to the vertical direction, or substantially convex toward the upstream side or the downstream side. Since at least a part of the floating body is formed so as to be curved in a substantially curved shape, the speed of flowing water can be changed according to the water depth. Thereby, for example, when there is a space between the surface of the water and the upper part of the rotating means, foreign substances are allowed to pass through the space, or the lower part of the pair of floating bodies is below the rotating means. It is possible to allow foreign matter to pass through the space formed during the period.
  • the at least part of the floating body is formed so that the position of the convex part in at least the part of the floating body or the shape of the top line in the convex part can be adjusted. Therefore, it is possible to generate power according to the situation.
  • the hydrofoil for maintaining the height from the upper end of the floating body to the water surface at a predetermined height is provided, it is easy to maintain the space portion. Become.
  • the side surface receiving the resistance of flowing water flowing from upstream to downstream among the side surfaces of the hydrofoil is a substantially inclined surface or a substantially curved surface capable of suppressing the accumulation of foreign matter.
  • the hydrofoil since the hydrofoil is formed, foreign objects are less likely to get entangled with the hydrofoil, so that the function of the hydrofoil can be maintained.
  • the hydrofoil when the hydrofoil is provided between a pair of floating bodies, it is possible to suppress the accumulation of foreign matters between the pair of floating bodies, and it is possible to further maintain the power generation amount.
  • the side surface shape of the tip portion of at least a part of the plurality of blade portions is curved to form the groove portion by curving the portion on the rotating shaft side of the tip portion into a concave shape,
  • a projecting portion by curving a portion of the tip portion opposite to the rotating shaft side into a convex shape, it is formed in a substantially S shape, and flowing water flowing from upstream to downstream can flow into the groove portion. Since at least a part of the plurality of blade portions is formed, even when flowing water flows into the groove portion of the tip portion of each of the plurality of blade portions, the rotation of each of the plurality of blade portions is accompanied.
  • the projecting portion of the tip portion can be connected and smoothly dropped onto the water surface. Therefore, since it becomes difficult for a foreign material to get entangled with each of the plurality of blade portions, it is possible to further suppress the accumulation of the foreign material between the pair of floating bodies.
  • FIG. 1 is a perspective view showing a power generation system according to Embodiment 1.
  • FIG. It is a figure which shows an electric power generation system, (a) is a top view, (b) is a front view.
  • FIG. 2 is a perspective view showing a floating body, (a) is a view showing a floating body according to Embodiment 1, and (b) to (d) are diagrams showing modifications of the floating body according to Embodiment 1.
  • FIG. is there. It is a side view which shows an electric power generation part.
  • FIG. 1 It is a top view which shows a hydrofoil
  • (a) is a figure which shows the hydrofoil which concerns on Embodiment 1
  • (b) is a front view.
  • (a) is a top view
  • (b) is a front view.
  • FIG. 10 is a front view showing a modification of the power generation system according to Embodiment 3.
  • FIG. 10 is a front view showing a modification of the power generation system according to Embodiment 3.
  • It is a figure which shows the modification of the water turbine which concerns on Embodiment 2 (a) is a side view, (b) is an enlarged view of the area
  • the rotating means is a propeller.
  • FIG. 1 is a perspective view showing a power generation system according to Embodiment 1.
  • FIG. 2A and 2B are diagrams showing the power generation system, where FIG. 2A is a plan view and FIG. 2B is a front view.
  • FIG. 3 is a perspective view showing a floating body 10 to be described later, (a) is a diagram showing the floating body 10 according to the first embodiment, and (b) to (d) are floating bodies according to the first embodiment.
  • FIG. 6 is a view showing a modification of the body 10.
  • FIG. 4 is a side view showing a power generation unit 60 described later.
  • the power generation system 1 includes floating bodies 10a and 10b, connection portions 20a and 20b, hydrofoil blades 30a and 30b, mooring members 40a and 40b, a propeller 50, and a power generation unit 60.
  • floating bodies 10a and 10b do not need to be distinguished from each other, they are collectively referred to as “floating bodies 10.”
  • the connection portions 20a and 20b need to be distinguished from each other.
  • hydrofoil blade 30 When there is no need to distinguish between the hydrofoil blades 30a and 30b, the hydrofoil blades 30a and 30b are collectively referred to as the "hydrofoil blade 30". When there is no need to distinguish between them, they are collectively referred to as “an anchoring member 40”).
  • the floating bodies 10a and 10b are for floating at least a part of the floating bodies 10a and 10b on the water surface. For example, only the member having a floating function and the function of floating with a member having a floating function are provided. It is a concept including a combination of members that do not have. As shown in FIGS. 1, 2 (a), 2 (b), and 3 (a), the floating bodies 10a and 10b are spaced apart from each other along the horizontal direction. More specifically, the floating bodies 10a and 10b are arranged so that the parallel arrangement direction of the floating bodies 10a and 10b is substantially along the X direction. Each of the floating bodies 10 a and 10 b includes a floating body main body 11 and a shape holding bar 12.
  • the floating body 11 is a basic structure of the floating body 10 and is formed of, for example, a hollow body in which a gas such as air is sealed. Specifically, the shape of the floating body is formed such that, for example, a part of the floating bodies 10a and 10b can be filled with a gas such as air that can float on the water surface.
  • the material of the floating body 11 is preferably formed of an elastic material that can absorb an impact by deformation of the floating body 11. For example, FRP, carbon fiber, foamed resin, rust prevention It is made of a treated foam metal, a material used for a rafting boat (specifically, chlorosulfonated polyethylene, polyvinyl chloride, etc.), a rubber material, or the like.
  • the shape holding bar 12 is a shape holding means for holding the shape of the floating body 11, and is a substantially rod-like body formed of, for example, a resin material or a metal material, and is accommodated inside the floating body 11. ing. Details of the floating body 10 will be described later.
  • connection parts 20a and 20b are connection means for connecting the floating bodies 10a and 10b.
  • each of the connection portions 20a and 20b is a substantially plate-like body formed of, for example, a resin material, a rust-proof metal material, or the like.
  • each of the connection portions 20a and 20b is disposed so as to straddle the floating bodies 10a and 10b. More specifically, each of these connection portions 20a and 20b is disposed at a position where it abuts on the upper side surface of the floating bodies 10a and 10b.
  • this connection part 20a is arrange
  • the hydrofoil blades 30a and 30b are for maintaining the height from the upper ends of the floating bodies 10a and 10b to the water surface at a predetermined height.
  • the hydrofoil 30a and 30b are hollow bodies (or solid bodies) formed of, for example, a resin material.
  • the underwater blades 30a and 30b are arranged so that at least a part of each of the hydrofoil blades 30a and 30b is positioned below the water surface.
  • the wings 30a and 30b are arranged.
  • Each of these hydrofoil blades 30 a and 30 b includes a hydrofoil support 31 and a hydrofoil main body 32.
  • the formation method of the hydrofoil 30 is arbitrary, but the hydrofoil support 31 and the hydrofoil main body 32 may be integrally formed, or may be formed separately.
  • the hydrofoil support 31 supports the hydrofoil main body 32 (in FIG. 2A, the part from the downstream end of the floating body 10 to the dotted line is shown).
  • the hydrofoil support body 31 is formed of a substantially rod-like body, and is arranged so that the longitudinal direction of the hydrofoil support body 31 is substantially along the Y direction, with respect to the downstream end of the floating body 10. It is fixed with a fixture.
  • the hydrofoil main body 32 is a basic structure of the hydrofoil 30 and receives resistance from flowing water.
  • the hydrofoil main body 32 is formed in a substantially wing shape, is arranged so as to be substantially parallel to the water surface, and is connected to the hydrofoil support 31. Details of the hydrofoil blades 30a and 30b will be described later.
  • the mooring members 40a and 40b are mooring means for securing the power generation system 1 to the supports 40a and 40b in order to moor the power generation system 1 at a predetermined position.
  • the mooring members 40a and 40b are, for example, ropes formed of natural fiber materials or chemical fiber materials, rust-prevented wires, or a combination of these materials. It is formed of a rod-shaped body.
  • anchoring member 40a one end of the anchoring member 40a is fixed to the support body 41a provided on the left bank, and the other end of the anchoring member 40a is fixed to the floating body 10a.
  • anchoring member 40b one end of the anchoring member 40b is fixed to the support body 41b provided on the right bank, and the other end of the anchoring member 40b is fixed to the floating body 10b. Yes.
  • the fixing position of the floating body 10 in the mooring member 40 is arbitrary, but a fixing position that can reduce fluttering of the floating body 10 and the like is preferable.
  • the fixing position of the floating body 10 in the mooring member 40 and a propeller to be described later The anchoring member 40 may be fixed to the floating body 10 at a position where the position of the 50 shafts 51 in the Z direction is substantially the same.
  • the propeller 50 is a rotating means for transmitting the energy of the flowing water to the power generation unit 60 when the propeller 50 is rotated by the energy of the flowing water.
  • the propeller 50 is comprised, for example using the well-known propeller.
  • the propeller 50 is disposed between the floating bodies 10a and 10b so that at least a part of the propeller 50 is located below the water surface and the shaft 51 of the propeller 50 is substantially along the Y direction. ing.
  • the power generation unit 60 is a power generation unit that generates power by being driven by the energy of running water transmitted by the propeller 50 via the shaft 51 of the propeller 50. As shown in FIGS. 1, 2 (a), 2 (b), and 4, the power generation unit 60 is disposed at a position above the water surface. Further, the power generation unit 60 includes a generator 65 and a power generation board (not shown) inside the casing 61 shown in FIG.
  • the casing 61 is a protection unit that protects the generator 65 and the power generation board from the outside.
  • the casing 61 is a substantially hollow cylindrical body formed of, for example, a resin material.
  • the housing 61 is a substantially hollow columnar base portion 61a having one side surface (for example, an upper side surface) opened, and includes a base portion 61a that houses a generator 65 and a power generation board,
  • the cover portion 61b is configured to substantially cover the base portion 61a from the open surface side, and the cover portion 61b is fixed to the base portion 61a by a fitting structure, a fixture, or the like.
  • the casing 61 is provided with a fixing bar 62, a support portion 63, and a communication port 64.
  • the fixing bar 62 is a fixing means for fixing the casing 61 to the floating body 10.
  • the fixing bar 62 is disposed between the housing 61 and the floating body 10 and is fixed to the housing 61 and the floating body 10 with a fixture or the like.
  • the support portion 63 is a support means for supporting the shaft 51 of the propeller 50 and accommodating the shaft 66 of the power generation portion 60 described later.
  • the support portion 63 is formed in a substantially long tubular shape. Further, the support portion 63 is arranged so that the longitudinal direction of the support portion 63 is substantially along the Z direction. Further, the support portion 63 is fixed to the housing 61 with a fixture or the like so that the upper end portion of the support portion 63 contacts the housing 61. Further, the support portion 63 is provided with an opening 63a.
  • the opening 63 a is an opening for accommodating the downstream end portion of the shaft 51 of the propeller 50 inside the lower end portion of the support portion 63.
  • the downstream end of the shaft 51 of the propeller 50 is connected to the support portion 63 via an opening 63a.
  • the propeller 50 is arranged so as to be accommodated inside the lower end portion. And the method etc. which support the shaft 51 of this propeller 50 with the fixing tools (for example, ball bearing etc.) etc. which can rotate with respect to the support part 63 of the electric power generation part 60 correspond.
  • the communication port 64 is an opening for allowing the housing 61 and the support portion 63 to communicate with each other.
  • the generator 65 generates power by being driven by the rotation of the shaft 51 by the propeller 50.
  • the generator 65 is configured using, for example, a known generator, and is fixed to the housing 61 with a fixture or the like.
  • the generator 65 is provided with a shaft 66.
  • the shaft 66 is for transmitting the energy of running water transmitted from the shaft 51 of the propeller 50 to the generator 65.
  • the shaft 66 is a substantially elongated rod-like body, and is disposed so as to be accommodated in the support portion 63 via the communication port 64 of the housing 61. Further, the shaft 66 is fixed to the support portion 63 by a fixing tool that can rotate (for example, a ball bearing).
  • the method for transmitting the energy of the flowing water from the shaft 51 of the propeller 50 to the shaft 66 of the power generation unit 60 is arbitrary.
  • the first gear For example, a bevel gear or the like (not shown) is attached, and a second gear (for example, a bevel gear or the like is omitted) is attached to the lower end portion of the shaft 66 in the power generation unit 60, and the shaft 51 of the propeller 50 is rotated.
  • a method of bringing the first gear and the second gear into contact with each other so that the shaft 66 of the power generation unit 60 can rotate about the central axis in the Z direction of the shaft 66 of the power generation unit 60 is applicable.
  • the power generation board is a board on which an electric circuit (not shown) for realizing various functions of the power generation unit 60 is mounted.
  • the power generation board is disposed in the vicinity of the generator 65 and is fixed to the housing 61 with a fixture or the like.
  • an output terminal (not shown) is also mounted on the power generation board.
  • the output terminal is for outputting the current generated by the generator 65 to an external device (not shown), and is electrically connected to the external device via wiring (not shown).
  • a space 13 is formed between the floating bodies 10a and 10b.
  • the space 13 is for allowing foreign matter contained in running water flowing between the floating bodies 10a and 10b to pass therethrough.
  • the “foreign matter” means a solid or semi-solid substance other than water, and is a concept including, for example, garbage, vegetation, gravel, aquatic organisms and the like.
  • the space 13 is arranged such that, for example, the lower part of the floating bodies 10a and 10b is opened between the lower part of the propeller 50 and the lower part of the floating bodies 10a and 10b.
  • the space 13 is disposed.
  • Such a configuration makes it possible to suppress the accumulation of foreign matter between the floating bodies 10a and 10b as compared with the conventional power generation apparatus.
  • the floating bodies 10a and 10b are formed in a shape capable of increasing the speed of flowing water in a part between the floating bodies 10a and 10b.
  • a part of the side of the floating body 10a on the side of the adjacent floating body 10b is formed in a substantially convex shape that protrudes toward the adjacent floating body 10b. ing.
  • a part of the side of the floating body 10b on the side of the adjacent floating body 10a is adjacent to the floating body 10b. It is formed in a substantially convex shape that protrudes toward the floating body 10a.
  • the method of forming the floating body 10 is arbitrary.
  • the shape holding bar 12 of the floating body 10 is substantially the same as the first shape holding bar 12a formed in a substantially rectangular ring shape.
  • the first shape holding bar 12a is first arranged substantially along the Y direction.
  • the upper bar of the first shape holding bar 12a and the upper end of the second shape holding bar 12b are connected so that the second shape holding bar 12b protrudes toward the adjacent floating body 10.
  • the lower bar of the first shape holding bar 12a is connected to the lower end of the second shape holding bar 12b. Then, the method etc.
  • the method is not limited thereto, and a method in which the first shape holding bar 12a and the second shape holding bar 12b are integrally molded may be accommodated in the floating body 11.
  • the top line 14 of the convex portion of the floating bodies 10a and 10b corresponds to the vertical direction of the floating body 10 (the Z direction in FIG. 3A).
  • the floating bodies 10a and 10b are formed so as to be in a straight line substantially extending along ().
  • the present invention is not limited to this.
  • the top line 14 of the convex portion of the floating bodies 10a and 10b is set so that the speed of flowing water varies between the floating bodies 10a and 10b depending on the water depth.
  • the floating bodies 10a and 10b may be formed so as to be substantially diagonal with respect to the Z direction.
  • the floating body 10a, 10b has a convex portion whose top line 14 has a substantially curved shape that curves in a convex shape toward the upstream side or the downstream side. 10a and 10b may be formed.
  • the method of forming the floating body 10 is arbitrary.
  • the second shape holding bar 12b when the top line 14 of the convex portion of the floating body 10 is formed in a substantially oblique line shape, the second shape holding bar 12b.
  • the second shape holding bar 12b is arranged at a position different from the position in the Y direction.
  • the method etc. of connecting this 2nd shape maintenance bar 12b to the 1st shape maintenance bar 12a correspond.
  • the top line 14 of the convex part in the floating body 10 is formed in a substantially curved shape
  • the part corresponding to the top line 14 in the second shape holding bar 12b is formed in a substantially curved shape.
  • the second shape holding bar 12b is formed. And the method etc. of connecting this 2nd shape maintenance bar 12b to the 1st shape maintenance bar 12a correspond.
  • the floating body 10 shown in FIGS. 3A to 3D may be replaceable, but is not limited to this, and may be adjustable according to the situation, for example.
  • the floating body 10 may be formed so that the position of the convex portion in the floating body 10 or the shape of the top line 14 in the convex portion can be adjusted.
  • the second shape holding bar 12b is detachable so that the position of the convex portion in the floating body 10 can be adjusted by arbitrarily changing the position of the second shape holding bar 12b. You may connect to the 1st shape maintenance bar
  • the second shape retaining bar 12b can be deformed so that the position of the convex portion in the floating body 10 can be adjusted by arbitrarily changing the shape of the second shape retaining bar 12b (for example, publicly known) Or a flexible arm structure).
  • the rotation speed of the propeller 50 can be improved by arranging the propeller 50 in the vicinity of each other. Further, by forming the top line 14 of the convex portion of the floating body 10 in a substantially oblique line shape or a substantially curved line shape, it is possible to vary the speed of flowing water according to the water depth between the floating bodies 10a and 10b. Become. In addition, by forming the floating body 10 so that the shape of the floating body 10 can be adjusted, power generation can be performed according to the situation.
  • FIG. 5 is a plan view showing the hydrofoil 30, (a) is a diagram showing the hydrofoil 30 according to the first embodiment, and (b) and (c) are the hydrofoil 30 according to the first embodiment.
  • FIG. As shown in FIGS. 5A to 5C, with respect to the shape of the hydrofoil 30, for example, the side surface of the hydrofoil 30 that receives the resistance of flowing water flowing from the upstream toward the downstream has a foreign substance pool. It is desirable that the hydrofoil 30 be formed so as to have a substantially slope or a substantially curved surface that can be suppressed.
  • the hydrofoil 30 is formed so that the length of the hydrofoil 30 in the X direction becomes longer as it goes downstream. More specifically, when the hydrofoil 30 is provided on the floating body 10, the side surface 33 that receives the resistance of flowing water in the hydrofoil main body 32 (note that the Y direction in the hydrofoil main body 32 shown in FIG. 5A) The side surface along the side 33 is not included in the side surface 33 because the resistance of running water is smaller than that of the side surface 33), but is opposite to the end of the side surface 33 on the hydrofoil support 31 side.
  • the hydrofoil 30 is formed so that the end portion is a substantially inclined surface located downstream of the end portion on the hydrofoil support 31 side of the side surface 33. Or it is not restricted to this, For example, as shown in FIG.5 (b), when the hydrofoil 30 is provided in the floating body 10, the side 33 which receives the resistance of this flowing water is the hydrofoil in the said side 33 Even if the hydrofoil 30 is formed so that the end opposite to the end on the support 31 side is a substantially curved surface located on the downstream side of the end on the hydrofoil support 31 in the side surface 33. Good.
  • the hydrofoil 30 may be provided in the connection part 20 (more specifically, the hydrofoil 30 is provided in the connection part 20 so that the hydrofoil support 31 is connected to the connection part 20). .
  • Such a shape makes it difficult for foreign matter to get entangled with the hydrofoil body 32 of the hydrofoil 30, so that the function of the hydrofoil 30 can be maintained. Further, as shown in FIGS. 5A and 5B, when the hydrofoil 30 is provided between the floating bodies 10a and 10b, it is possible to suppress accumulation of foreign matters between the floating bodies 10a and 10b. It becomes possible.
  • the lower part between the floating bodies 10a and 10b is opened. Since the space portion 13 is formed, it is possible to suppress the accumulation of foreign matters between the floating bodies 10a and 10b as compared with the conventional power generator. Therefore, for example, when the flow of flowing water stagnates due to the accumulation of foreign matter, it is possible to suppress a reduction in the rotation speed of the propeller 50, and it is possible to reduce energy loss of flowing water transmitted to the power generation unit 60. Become.
  • a part of the side of the floating body 10a on the side of the adjacent floating body 10b is formed in a substantially convex shape protruding toward the adjacent floating body 10b, and the side of the floating body 10b on the side of the adjacent floating body 10a. Since a part of the part is formed in a substantially convex shape that protrudes toward the adjacent floating body 10a, the flow velocity of running water can be increased between the convex part of the floating body 10a and the convex part of the floating body 10a. it can. Therefore, by arranging the propeller 50 in the vicinity of each other, the rotation speed of the propeller 50 can be improved, and the power generation amount can be improved.
  • the top line 14 of the convex portion of the floating body 10 is substantially oblique so as to be inclined with respect to the Z direction, or substantially curved so as to be curved substantially convex toward the upstream side or the downstream side. Since the floating bodies 10a and 10b are formed, the speed of running water can be changed according to the water depth. Thereby, for example, when there is a space between the water surface and the upper side of the propeller 50, foreign matter is allowed to pass through the space, or between the floating bodies 10a and 10b from below the propeller 50. It becomes possible to allow foreign matter to pass through the space 13 formed while reaching the lower side.
  • the floating bodies 10a and 10d are formed so that the position of the convex portion in the floating body 10 or the shape of the top line 14 in the convex portion can be adjusted, it is possible to generate power depending on the situation. Become.
  • the hydrofoil 30 is provided for maintaining the height from the upper end of the floating body 10 to the water surface at a predetermined height, the space 13 can be easily maintained.
  • the hydrofoil 30 was formed such that the side surface receiving the resistance of flowing water flowing from upstream to downstream among the side surfaces of the hydrofoil 30 was a substantially inclined surface or a substantially curved surface capable of suppressing the accumulation of foreign matter. Therefore, it is difficult for foreign matter to get entangled with the hydrofoil 30, so that the function of the hydrofoil 30 can be maintained. Moreover, when the hydrofoil 30 is provided between the floating bodies 10a and 10b, it can suppress that a foreign material accumulates between the said each other, and it becomes possible to maintain electric power generation further.
  • the rotating means is a water wheel.
  • symbol or name as used in Embodiment 1 is attached
  • FIGS. 6A and 6B are diagrams showing a power generation system according to Embodiment 2, in which FIG. 6A is a plan view and FIG. 6B is a front view.
  • the power generation system 101 according to the second embodiment replaces the propeller 50 with respect to the same components as those of the power generation system 1 according to the first embodiment.
  • the water wheel 70 is configured.
  • the support part 63 in the power generation part 60 for example, as shown in FIG. 6A, the support part 63 is arranged so that the support part 63 projects toward the floating body 10a. ing.
  • the device shown below is given.
  • each of the floating bodies 10 a and 10 b includes a floating body main body 11 and a water channel wall portion 15.
  • the floating body 11 is, for example, a substantially columnar hollow body formed of a material (specifically, a resin material or the like) that allows at least a part of the floating body 11 to float on the water surface (see FIG. 6 ( In a) and (b), a hollow body having a substantially triangular prism, or not limited thereto, a hollow body having a substantially pyramid shape, a hollow body having a substantially spherical shape, a solid body having a substantially columnar shape, and the like may be used.
  • a material specifically, a resin material or the like
  • the water channel wall 15 is a wall for forming a water channel between the floating bodies 10a and 10b.
  • the water channel wall portion 15 is a substantially solid body (or a substantially hollow body) formed in, for example, a resin material, a rust-proof metal material, or the like.
  • the water channel wall 15 is disposed below the floating body 11 so that at least a part of the water channel wall 15 is positioned below the water surface.
  • FIG. 7 is a view showing the water wheel 70, (a) is a side view, and (b) is an enlarged view of a region A in (a).
  • the turbine 70 rotates the energy of the flowing water to the power generation unit 60 by rotating the turbine 70 with the energy of the flowing water. Rotating means for transmitting.
  • the water turbine 70 is disposed so that a part of the water turbine 70 is located below the water surface between the floating bodies 10a and 10b.
  • the water wheel 70 includes a rotating shaft 71, a shaft 72, and a plurality of blade portions 73.
  • the rotation shaft 71 is an axis when the water wheel 70 rotates.
  • the rotating shaft 71 is a substantially cylindrical body formed of, for example, a resin material, a rust-proof metal material, or the like. Further, between the floating bodies 10a and 10b, the rotary shaft 71 is disposed at a position where the axial end surface of the rotary shaft 71 faces the water channel wall 15 of the floating bodies 10a and 10b.
  • the rotating shaft 71 is fixed to the floating body 11 of the floating bodies 10a and 10b by a fixture or the like that can rotate via the rotating pin 71a.
  • the shaft 72 is for transmitting the energy of flowing water transmitted from the plurality of blade portions 73 via the rotation shaft 71 to the shaft 66 of the power generation unit 60.
  • the shaft 72 is a substantially elongated rod-like body, and is disposed between the floating bodies 10a and 10b so that the longitudinal direction of the shaft 72 is substantially along the Y direction (in the third embodiment described later). The same applies to the arrangement of the shaft 85 of the propeller 80). More specifically, on the floating body 10 a side between the downstream ends of the shaft 72, the end of the support section 63 on the floating body 10 a side through the opening 63 a of the support section 63 in the power generation section 60.
  • the shaft 72 is arranged so as to be accommodated in the inside of the section.
  • the shaft 72 is fixed by a fixture or the like that can rotate with respect to the support portion 63 of the power generation unit 60.
  • the method of transmitting the energy of running water from the rotating shaft 71 to the shaft 72 is arbitrary.
  • a third gear for example, a bevel gear or the like, not shown
  • a fourth gear for example, a bevel gear or the like, not shown
  • the shaft 72 rotates about the central axis in the Y direction as the rotation pin 71a rotates.
  • a method of bringing the third gear and the fourth gear into contact with each other is applicable.
  • the plurality of blade portions 73 are for transmitting the energy of running water to the rotating shaft 71.
  • Each of the plurality of blade portions 73 is a substantially curved plate-like body formed of, for example, a resin material or a metal material. Further, the plurality of blade portions 73 are arranged upright with respect to the curved surface portion of the rotating shaft 71 and are fixed to the rotating shaft 71 by welding, a fixture, or the like.
  • each of the plurality of blade portions 73 is arbitrary, but for example, it is desirable to adopt a configuration capable of suppressing accumulation of foreign matter.
  • the side surface shape of each of the tip portions of the plurality of blade portions 73 curves the portion on the rotating shaft 71 side in the tip portion into a concave shape.
  • the groove portion 73a is formed, and the protruding portion 73b is formed by curving a portion of the tip portion on the opposite side to the rotating shaft 71 side, thereby forming a substantially S-shape.
  • Each of the plurality of blade portions 73 is formed so that running water flowing from upstream to downstream can flow into 73a.
  • the groove 73a is formed by curving the shape of the side surface of the tip portion of at least a part of the plurality of blade portions 73 in a concave shape on the portion of the tip portion on the rotating shaft 71 side.
  • the protruding portion 73b is formed by curving a portion of the tip portion opposite to the rotating shaft 71 to form a protruding portion 73b, so that the flowing water flows from the upstream to the downstream in the groove 73a.
  • the plurality of blade portions 73 Since at least a part of the plurality of blade portions 73 is formed so as to be able to flow in, even when flowing water flows into the groove portion 73a of the tip portion of each of the plurality of blade portions 73, the plurality of blade portions 73. With each rotation, the protrusion 73b at the tip can be connected and smoothly dropped onto the water surface. Therefore, since it becomes difficult for a foreign material to get entangled in each of the plurality of blade portions 73, it is possible to further suppress the accumulation of the foreign material between the floating bodies 10a and 10b.
  • the rotating means is a propeller different from that of the first embodiment.
  • symbol or name as used in Embodiment 2 is attached
  • FIG. 8 is a diagram illustrating the power generation system according to Embodiment 3, where (a) is a plan view and (b) is a front view.
  • the power generation system 201 according to the third embodiment replaces the water turbine 70 with respect to the same components as those of the power generation system 101 according to the second embodiment.
  • the propeller 80 is configured.
  • the support part 63 in the power generation part 60 for example, as shown in FIG. 8A, the support part 63 is arranged so that the longitudinal direction of the support part 63 is substantially along the Z direction. Yes.
  • FIG. 9 is a perspective view showing the propeller 80, (a) is a diagram showing the propeller 80 according to the third embodiment, and (b) is a diagram showing a modification of the propeller according to the third embodiment.
  • the propeller 80 is formed of, for example, a resin material (specifically, a hard resin material) or the like, and the floating bodies 10a, 10b. Are arranged such that at least a part of the propeller 80 is located below the water surface.
  • the propeller 80 includes a cylindrical portion 81, a plurality of propeller bodies 82, rotating shafts 83a and 83b, a fixing portion 84, and a shaft 85.
  • the cylindrical portion 81 is a support means for supporting the plurality of propeller bodies 82 and the rotation shafts 83a and 83b.
  • the cylindrical portion 81 is formed of a substantially long cylindrical body.
  • the cylindrical portion 81 is arranged so that the longitudinal direction of the cylindrical portion 81 is substantially along the Y direction.
  • the plurality of propeller bodies 82 are for transmitting the energy of running water to the rotation shafts 83a and 83b.
  • the plurality of propeller bodies 82 are formed of a substantially twisted plate (more specifically, a rectangular plate). Further, each of the plurality of propeller bodies 82 is arranged upright with respect to the inner peripheral surface of the cylindrical portion 81 so that the longitudinal direction of each of the plurality of propeller bodies 82 is substantially along the Y direction.
  • the plurality of propeller bodies 82 are fixed to the cylindrical portion 81 by welding or the like.
  • the arrangement of the plurality of propeller bodies 82 is not limited to the arrangement shown in FIG. 9A. For example, as shown in FIG.
  • Each of the plurality of propeller bodies 82 may be erected with respect to the outer peripheral surface of the cylindrical portion 81 so as to be embedded on the inner peripheral surface side of the cylindrical portion 81.
  • Rotating shafts 83a and 83b serve as axes when the propeller 80 rotates.
  • Each of the rotating shafts 83a and 83b intersects two substantially U-shaped rod-shaped bodies (specifically, the U-shaped vertical bar portions of the rotating shafts 83a and 83b intersect).
  • the front shape is formed in a substantially cross shape.
  • the rotation shaft 83a is arranged so that the cross-shaped portion of the rotation shaft 83a faces the upstream end surface of the cylindrical portion 81 and the portion projects toward the upstream side.
  • the rotation shaft 83b is arranged so that the cross-shaped portion of the rotation shaft 83b faces the downstream end face of the cylindrical portion 81 and the portion projects toward the downstream side.
  • the rotating shafts 83a and 83b are fixed to the cylindrical portion 81 by welding or the like.
  • the fixing portion 84 is a fixing means for fixing the propeller to the connecting portion 20a (or the connecting portion 20b).
  • the fixing portion 84 is formed of a substantially U-shaped rod-shaped body.
  • the U-shaped vertical bar portion of the fixing portion 84 is substantially along the Y direction, and the U-shaped horizontal bar portion of the fixing portion 84 protrudes toward the bottom of the water. Has been placed.
  • the connection of the fixing portion 84 for example, the U-shaped vertical bar portion of the fixing portion 84 is connected to the connection portion 20a by a fixing tool or the like.
  • the U-shaped upstream horizontal bar portion of the fixing portion 84 is connected to a crossing portion of the cross-shaped portion of the rotation shaft 83a by a fixing tool (for example, a ball bearing) or the like.
  • the U-shaped downstream horizontal bar portion of the fixing portion 84 is connected to a crossing portion of the cross-shaped portion of the rotating shaft 83b by a fixing tool (for example, a ball bearing) or the like.
  • the shaft 85 is for transmitting the energy of running water transmitted from the plurality of propeller bodies 82 via the rotation shafts 83a and 83b to the shaft 66 of the power generation unit 60.
  • the upstream end of the shaft 85 is connected to the rotating shaft 83b by a fixture or the like.
  • the downstream end portion of the shaft 85 is connected to the support portion 63 of the power generation unit 60 by a rotatable fixture or the like.
  • the space portion 13 is formed below the propeller 80 between the floating bodies 10a and 10b. In comparison, it is possible to suppress the accumulation of foreign matters between the floating bodies 10a and 10b.
  • the problems to be solved by the invention and the effects of the invention are not limited to the above-described contents, and the present invention solves the problems not described above or has the effects not described above. There are also cases where only some of the described problems are solved or only some of the described effects are achieved. For example, even if it is difficult to form the space portion 13 between the pair of floating bodies 10, if the formation of the space portion 13 can be achieved in the same manner as before by a technique different from the conventional one, The problems of the invention have been solved.
  • a plurality of configurations of the same embodiment can be combined, or configurations of different embodiments can be combined with each other.
  • a plurality of propellers 80 of the power generation system 201 according to Embodiment 3 may be combined (note that FIGS. 10, 11 (a), ( For b), the power generation unit 60 and the propeller 80 are not shown).
  • a plurality of the propellers 80 may be arranged in parallel along the direction in which the floating bodies 10a and 10b are arranged between the floating bodies 10a and 10b (see FIG. 10).
  • each propeller 80 may be isolated by the channel wall 15).
  • a plurality of propellers 80 are arranged in parallel along the direction in which the floating bodies 10a and 10b are arranged between the floating bodies 10a and 10b. A plurality of them may be arranged side by side.
  • a plurality of the propellers 80 may be provided in a honeycomb shape between the floating bodies 10a and 10b.
  • each propeller 80 is accommodated in the guide case 90.
  • the guide case 90 is a guide means for effectively guiding the flowing water flowing between the floating bodies 10a and 10b to the propeller 80 accommodated therein.
  • the guide case 90 is formed of a substantially elongated cylindrical body whose inner edge shape is substantially the same as the outer edge shape of the cylindrical portion 81 and whose outer edge shape is larger than the outer edge shape of the cylindrical portion 81.
  • the guide case 90 is arranged so that the longitudinal direction thereof is substantially along the Y direction. Further, with respect to the shape of the upstream end face of the guide case 90, for example, the end face is formed in an inclined shape so that the outer edge of the end face protrudes upstream of the inner edge of the end face. With such a configuration, it is possible to further improve the power generation amount.
  • the propeller 50 of the power generation system 1 according to the first embodiment, the water wheel 70 of the power generation system 101 according to the second embodiment, or the propeller 80 of the power generation system 201 according to the third embodiment includes the floating bodies 10a and 10b. May be provided along the Z direction, or may be provided in a honeycomb shape. In the specific example described above, the installation of the guide case 90 may be performed, or the installation may be omitted.
  • the features shown in the first to third embodiments may be interchanged with each other, or one feature may be added to the other.
  • the shape of the floating body 10 in the first embodiment (specifically, a substantially convex shape in which a part of the side of the floating body 10 on the adjacent floating body 10 side protrudes toward the adjacent floating body 10.
  • the top line 14 of the convex portion of the floating bodies 10a and 10b is formed in a substantially oblique line shape or a substantially curved line shape).
  • the floating bodies 10a and 10b are formed so that the floating bodies 10a and 10b are shaped so that a part of the side of the floating body 10 on the adjacent floating body 10 side is substantially convex.
  • the floating bodies 10a and 10b may be formed so that a part of the side part of the floating body 10 on the adjacent floating body 10 side is substantially flat.
  • the floating body 10a may be formed so that only a part of the side of the floating body 10a on the side of the adjacent floating body 10b is substantially flat.
  • the power generation system has been described as including two connection portions 20, but may be, for example, a single unit or three or more units.
  • the power generation system includes the hydrofoil 30 and the mooring member 40.
  • the hydrofoil 30 and the mooring member 40 may be omitted.
  • the power generation unit 60 is provided in the vicinity of the rotating means and the floating bodies 10a and 10b.
  • the power generation system may be provided with energy transmission means for transmitting the rotational energy generated by the rotation means to the power generation unit 60 at a remote position. That's fine.
  • energy transmission means can be arbitrarily configured.
  • a drive shaft that is connected to the rotation means and rotates can be employed.
  • the rotating means is provided between the floating bodies 10a and 10b.
  • the rotating means is provided between the lower parts of the floating bodies 10a and 10b and the bottom of the water. May be.
  • the space portion 13 is provided below the rotating means between the floating bodies 10a and 10b from the lower side to the bottom of the water.
  • the propeller 50 has been described as being configured using a known propeller, but is not limited thereto.
  • a configuration that can prevent foreign matter from being caught between the blade portion of the propeller 50 and the surrounding structure or foreign matter from adhering to the surface of the blade portion may be employed.
  • the shaft 51 of the propeller 50 is provided with an opening 52.
  • the opening 52 is an opening for taking in and out a part of the blade portion of the propeller 50.
  • an expandable member 53 and a stopper 54 are provided at the end portion of the blade portion of the propeller 50 on the shaft 51 side.
  • the expansion / contraction member 53 is an urging unit that urges the blade portion in a direction away from the shaft 51 (hereinafter referred to as an outward direction), and is formed of an elastic rust-proof spring material (for example, a coil spring).
  • the stopper 54 restricts the movement of the blade portion of the propeller 50, has a larger area than the opening portion 52, and is fixed to the base portion of the blade portion inside the shaft.
  • wing part of the propeller 50 returns automatically to the normal state with the urging
  • the elastic member 53 may generate an urging force in the inner direction, or the elastic member 53 may be omitted.
  • the blade portion of the propeller 50 is pivotally connected to the shaft 51 at its base portion.
  • An elastic member 55 is provided between the propeller 50 and the shaft 51.
  • the expansion member 55 does not urge the shaft 51 in a state where the blade portion is orthogonal to the shaft 51, but in a state where the tip portion of the blade portion is inclined toward the downstream side, It is an urging means for urging the tip portion in the direction toward the upstream side.
  • the side surface shape of each tip portion of the plurality of blade portions 73 is formed in a substantially S shape, and the flowing water flowing from the upstream toward the downstream in the groove portion 73a is formed.
  • the side surface of the tip portion is formed in a substantially hook shape, and the tip portion is directed from upstream to downstream.
  • Each of the plurality of blade portions 73 may be formed so as to easily receive the flowing flowing water.
  • the thickness of the tip portion may be set larger than the thickness of the portions other than the tip portions of each of the plurality of blade portions 73, for example, in order to increase the strength of the tip portion.
  • the plurality of propeller bodies 82 are formed of a hard resin material, but may be formed of a soft resin material.
  • at least a part of the plurality of propeller bodies 82 may be formed to be deformable. Specifically, when at least a predetermined force is applied to at least some of the plurality of propeller bodies 82, at least some of the propeller bodies 82 can be deformed so that foreign matter can pass therethrough.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
  • Hydraulic Turbines (AREA)

Abstract

La présente invention vise à fournir un système de génération d'énergie, avec lequel l'accumulation de corps étrangers peut être évitée. L'invention concerne un système de génération d'énergie comportant : des corps flottants (10a, 10b) qui sont aptes à flotter sur une surface d'eau, les corps flottants (10a, 10b) étant disposés avec un intervalle entre eux dans la direction horizontale ; des parties de liaison (20a, 20b) qui relient les corps flottants (10a, 10b) l'un à l'autre ; une hélice (50) qui est placée entre les corps flottants (10a, 10b) et en dessous de la surface d'eau, et qui est destinée à transmettre l'énergie de l'eau en circulation à une unité de génération d'énergie (60) par l'intermédiaire de la rotation de l'hélice (50) due à l'énergie de l'eau en circulation ; et l'unité de génération d'énergie (60) qui est entraînée par l'énergie de l'eau en circulation transmise par l'hélice (50), en générant ainsi de l'énergie. Un espace (13), formé pour permettre aux corps étrangers contenus dans l'eau en circulation de le traverser, est ménagé entre les corps flottants (10a, 10b) et en dessous de l'hélice (50).
PCT/JP2013/052635 2013-02-05 2013-02-05 Système de génération d'énergie WO2014122731A1 (fr)

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US11008998B2 (en) 2016-10-27 2021-05-18 Upravljanje Kaoticnim Sustavima d.o.o. Floating screw turbines device
NL2024653B1 (nl) 2020-01-13 2021-09-07 Ephebe B V Systeem voor het opwekken van elektrische energie uit een waterstroming in een waterreservoir, en civiele constructie.
WO2021210734A1 (fr) * 2020-04-17 2021-10-21 주식회사 리오에너지 Générateur hydroélectrique entraîné par écoulement équipé d'un générateur exposé
WO2022107913A1 (fr) * 2020-11-19 2022-05-27 소진대 Procédé de construction d'une centrale hydroélectrique à guidage de flux

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JP2008163784A (ja) * 2006-12-27 2008-07-17 Kiyoyuki Hosoda 水力発電システム
JP2011074921A (ja) * 2009-09-30 2011-04-14 Korea Electric Power Corp 流速流量調節型超低落差水車の構造
JP2012251524A (ja) * 2011-06-07 2012-12-20 Buko Kogyo Kk 移動式水力発電装置

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JP2016169724A (ja) * 2015-03-12 2016-09-23 彦徳 氣田 水力発電装置
US11008998B2 (en) 2016-10-27 2021-05-18 Upravljanje Kaoticnim Sustavima d.o.o. Floating screw turbines device
WO2018190136A1 (fr) * 2017-04-14 2018-10-18 Ntn株式会社 Dispositif de production énergie hydroélectrique
WO2019055934A1 (fr) 2017-09-15 2019-03-21 Emrgy Inc. Systèmes d'hydro-transition et ses procédés d'utilisation
EP3682107A4 (fr) * 2017-09-15 2021-03-24 Emrgy Inc. Systèmes d'hydro-transition et ses procédés d'utilisation
KR102090179B1 (ko) * 2019-10-07 2020-03-17 소진대 흐름 유도식 수력발전소 건설 공법
KR102090182B1 (ko) * 2019-10-25 2020-03-17 소진대 멀티형 흐름 유도식 수력발전소
WO2021080179A1 (fr) * 2019-10-25 2021-04-29 주식회사 리오에너지 Centrale hydraulique guidée par écoulement
NL2024653B1 (nl) 2020-01-13 2021-09-07 Ephebe B V Systeem voor het opwekken van elektrische energie uit een waterstroming in een waterreservoir, en civiele constructie.
WO2021210734A1 (fr) * 2020-04-17 2021-10-21 주식회사 리오에너지 Générateur hydroélectrique entraîné par écoulement équipé d'un générateur exposé
WO2022107913A1 (fr) * 2020-11-19 2022-05-27 소진대 Procédé de construction d'une centrale hydroélectrique à guidage de flux

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