WO2022013847A1 - Système de génération d'énergie fluidique et structure d'installation pour celui-ci - Google Patents

Système de génération d'énergie fluidique et structure d'installation pour celui-ci Download PDF

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Publication number
WO2022013847A1
WO2022013847A1 PCT/IB2021/058329 IB2021058329W WO2022013847A1 WO 2022013847 A1 WO2022013847 A1 WO 2022013847A1 IB 2021058329 W IB2021058329 W IB 2021058329W WO 2022013847 A1 WO2022013847 A1 WO 2022013847A1
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Prior art keywords
power generation
fluid
generation system
rotating body
fluid power
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PCT/IB2021/058329
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English (en)
Japanese (ja)
Inventor
東福憲郎
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東福憲郎
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Publication of WO2022013847A1 publication Critical patent/WO2022013847A1/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
    • 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"
    • 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

Definitions

  • the present invention relates to a fluid power generation system capable of efficiently converting fluid energy such as hydraulic power into electrical energy to increase power generation efficiency and its installation structure.
  • a photovoltaic power generation device that uses sunlight, which is a natural energy source, is easy to install and has a relatively low power generation cost.
  • the spread of large-scale equipment is rapidly progressing.
  • Patent Document 1 discloses a portable photovoltaic power generation device that can be installed and used in an arbitrary place such as outdoors without a power source.
  • a large number of electrically connected sheet-shaped or film-shaped photovoltaic power generation sheets can be carried in a stretchable state in the storage case, and the user can carry it from the storage case at any place.
  • the photovoltaic power generation sheet By pulling out the photovoltaic power generation sheet, it is possible to use electrical equipment by efficiently using sunlight to generate electricity even in the outdoors without a power source.
  • Patent Document 2 discloses a hydroelectric power generation device that is installed in a waterway such as a river or an agricultural waterway and uses water as a natural energy source.
  • a main body consisting of two discs arranged facing each other and paddles attached at equal intervals radially from the central axis of the discs, and the paddles in the water receive water flow pressure.
  • the power generation device is driven by using the rotational force obtained from the water shaft to which the paddle portion is connected.
  • the amount of power generation depends on the weather and the amount of solar radiation, and is stable only in a time zone in which the amount of solar radiation during the daytime on a sunny day is relatively large. There is a problem that it cannot generate electricity.
  • the amount of water is adjusted so as to maintain a predetermined flow rate every season, so that a constant flow rate is continuously maintained. It is possible to secure it. Therefore, unlike a photovoltaic power generation device, the amount of power generation does not become unstable due to external factors such as the amount of solar radiation, and stable power generation is possible throughout the year.
  • the hydroelectric power generation device disclosed in Patent Document 2 has a large diameter of about 1.4 m at the maximum, and when installed in a river with a shallow water depth or a river with a slow flow velocity, for example, the paddle portion installs a water turbine. It is hard to get enough water pressure to rotate it, and it is not possible to obtain the expected amount of power generation.
  • the present invention has been made to solve the above-mentioned problems, and is a fluid power generation system capable of efficiently converting fluid energy such as hydraulic power into electric energy to obtain high power generation efficiency and a large amount of power generation, and its installation.
  • the purpose is to provide the structure.
  • the first invention is a fluid drive device having an output shaft capable of outputting a rotational force corresponding to the fluid pressure, and a power generation operation by receiving the rotational force of the output shaft of the fluid drive device.
  • It is a fluid power generation system including a power generation device for performing, and the fluid drive device keeps a predetermined distance between a first rotating body and a first rotating body, and the rotation center axis thereof is the rotation center of the first rotating body.
  • the second rotating body parallel to the axis, the endless belt wound around the first rotating body and the second rotating body, and each resistance member have a concave pressure receiving surface portion for receiving fluid pressure and are endless.
  • a plurality of first resistance members erected on the surface of the belt at predetermined intervals and a plurality of second resistance members having a pressure receiving surface portion for receiving fluid pressure are erected on the circumferential surface at predetermined intervals.
  • a third rotating body that can rotate integrally with the second rotating body and has its rotation center axis as an output axis is provided, and the power generation device uses the rotational force of the output shaft of the fluid drive device as the rotation axis of the generator.
  • the configuration is such that the power generation operation is performed in response to the above. With this configuration, when a plurality of first resistance members provided on the endless belt of the fluid drive device receive fluid pressure in the fluid, the first rotating body and the second rotating body around which the endless belt is wound are formed.
  • the second resistance member receives the fluid pressure
  • the third rotating body rotates like a water wheel. That is, the fluid pressure in the fluid causes the third rotating body to rotate along with the rotation of the second rotating body, and a large rotational energy is generated by the second rotating body and the third rotating body, and this rotational energy is generated.
  • the rotational force corresponding to is output to the output shaft of the fluid drive device. Then, this large rotational force is transmitted to the rotating shaft of the generator in the power generation device, and the power generation operation by the generator is performed.
  • the rotation efficiency is improved, and the power generation device is correspondingly improved.
  • the amount of power generated by the generator will also increase.
  • the rotation axis of the generator with respect to the rotation direction of the output shaft of the fluid drive device is provided between the output shaft of the fluid drive device and the rotation axis of the generator.
  • the configuration is provided with a rotation direction converter capable of converting the rotation direction in the same direction or in the opposite direction.
  • the rotation direction of the rotation shaft of the generator with respect to the rotation direction of the output shaft of the fluid drive device can be set in the opposite direction by the rotation direction converter. That is, according to the present invention, the operation of the fluid power generation system can be continued without moving the direction of the fluid power generation system according to the flow direction of the fluid.
  • the power generation device has a rotating body that can rotate by receiving the rotational force of the output shaft of the fluid driving device, and is wound around the rotating body.
  • the structure is such that the rotational force of the output shaft is transmitted to the rotating shaft of the generator by the endless belt.
  • a fourth invention is the fluid power generation system according to the first or second invention, wherein the power generation device is an output shaft via a gear mechanism provided between the output shaft of the fluid drive device and the rotation shaft of the generator.
  • the configuration is such that the rotational force of the generator is transmitted to the rotating shaft of the generator.
  • the rotational force of the second rotating body and the third rotating body of the fluid drive device is transmitted to the rotating shaft of the generator via the gear mechanism of the power generation device. That is, according to the present invention, the rotation speed of the output shaft of the fluid drive device can be changed to a size corresponding to the gear ratio of the gear mechanism of the power generation device and transmitted to the generator.
  • a plurality of third resistance members having a pressure receiving surface portion for receiving the fluid pressure are arranged on the circumferential surface at predetermined intervals.
  • the erected fourth rotating body is connected to at least one end side of the rotation center axis of the first rotating body or the rotation center axis of the second rotating body in the fluid drive device.
  • the sixth invention is a plurality of auxiliary rotating bodies whose rotation center axis is parallel to the rotation center axes of the first and second rotating bodies in the fluid power generation system according to any one of the first to fifth inventions. Is arranged side by side between the first rotating body, the second rotating body, and the endless belt, and each of the plurality of auxiliary rotating bodies is supported so as to be movable up and down. With this configuration, the first rotating body and the second rotating body are moved so that the endless belt is positioned substantially parallel to the fluid surface in the vicinity of the fluid surface, and a plurality of bodies located on the endless belt portion on the fluid surface side.
  • the fluid power generation system can be installed so that the first resistance member of the above is completely submerged in the fluid.
  • the first resistance member in the fluid receives the fluid pressure, and the first and second rotating bodies rotate together with the endless belt.
  • the first and second rotating bodies rotate without any trouble.
  • the predetermined auxiliary rotating body can be appropriately moved upward to maintain the tension of the endless belt. As a result, not only can the endless belt be prevented from loosening and slipping, but also the first resistance member can be stabilized.
  • the length of the endless belt portion in the fluid can be adjusted. It can be longer than when it is in a normal horizontal shape. As a result, the fluid pressure can be received by many first resistance members in the fluid, and the rotational force can be further improved.
  • the first resistance member is a pressure receiving surface portion made of a flexible material
  • the pressure receiving surface portion is an endless belt. It is configured to be formed of a support member that stands upright and supports the surface of the above. With this configuration, the first resistance member receives fluid pressure at the pressure receiving surface portion facing the flow to rotate the first rotating body and the second rotating body. Then, when the flow direction of the fluid changes, the pressure receiving surface portion formed of the flexible material bends in the flow direction. As a result, the pressure receiving surface portion changes so as to face the flow, and receives the fluid pressure to rotate the first rotating body and the second rotating body.
  • the direction of the pressure receiving surface portion of the first resistance member changes according to the change in the direction of the fluid flow. Therefore, when the direction of the fluid flow changes, the flow of the fluid power generation system is changed. The operation of the fluid power generation system can be continued without moving it according to the orientation.
  • a plurality of first resistance members are provided on the surface of an endless belt so that the pressure receiving surface portions are alternately oriented in opposite directions. It shall be configured to be erected at predetermined intervals. With this configuration, even if the flow of the fluid changes, the first resistance member having the pressure receiving surface portion facing the direction of the flow catches the fluid, so that the fluid power generation system does not move in correspondence with the direction of the flow. The operation of the power generation system can be continued.
  • a ninth aspect of the invention is a fluid power generation system according to any one of the first to sixth inventions, wherein the first resistance member is joined back to back with a pair of pressure receiving surface portions and a pair of pressure receiving surfaces.
  • the structure is formed by a support member that supports the face portion by standing upright on the surface of the endless belt.
  • a tenth aspect of the present invention is the fluid power generation system according to any one of the first to ninth inventions, comprising first and second rotating bodies, endless belts, and a plurality of first resistance members in a fluid drive device. At least the periphery of the mechanism portion is surrounded by a plurality of first resistance members in a non-contact state, and a frame-shaped cover body that protects the mechanism portion from wave wind is provided. With such a configuration, even if a storm, flooding, or the like occurs and a wave wind occurs, the cover body protects the mechanical portion composed of the first and second rotating bodies, the endless belt, and the plurality of first resistance members. ..
  • the cover body has a structure having an upper surface portion that covers the mechanical portion of the fluid drive device from above.
  • the mechanical portion composed of the first and second rotating bodies, the endless belt, and the plurality of first resistance members is protected not only from the surroundings but also from above by the cover body.
  • the twelfth invention is an installation structure of a fluid power generation system for installing a fluid power generation system according to any one of the sixth to eleventh inventions on a fluid, and is provided by a support fixed in the fluid.
  • the endless belt is positioned almost parallel to the fluid surface in the vicinity of the fluid surface.
  • the first rotating body and the second rotating body are positioned, and a plurality of first resistance members located in the endless belt portion on the fluid surface side are completely submerged in the fluid.
  • the first resistance member in the fluid receives the fluid pressure, and the first and second rotating bodies and the endless belt rotate.
  • the plurality of auxiliary rotating bodies are arranged at the same horizontal positions as the first and second rotating bodies, the first and second rotating bodies rotate without any trouble.
  • a thirteenth invention is an installation structure of a fluid power generation system according to a twelfth invention, in which one or more auxiliary rotating bodies among a plurality of auxiliary rotating bodies are positioned in a fluid so as to be on the fluid surface side.
  • the endless belt portion and the plurality of first resistance members located in the endless belt portion are completely submerged in the fluid.
  • first resistance members completely submerged in the fluid are subjected to the fluid pressure, and the rotational force is further increased.
  • the first rotating body, the second rotating body, and the endless belt are set to be above the fluid surface, and setting the one or more auxiliary rotating bodies to be positioned in the fluid. Since the first rotating body, the second rotating body, and the endless belt portion on the fluid surface are not subjected to resistance by the fluid, the rotational efficiency between the first rotating body and the second rotating body is improved. ..
  • the first and second rotating bodies are positioned and fixed above the surface of the fluid, and at the most downstream of the plurality of auxiliary rotating bodies.
  • the auxiliary rotating body to be located is completely submerged in the fluid.
  • each first resistance member receives from the fluid.
  • the force is maximum for the first resistance member in the uppermost stream, and becomes smaller as the first resistance member is located on the downstream side, such as the second, third, and fourth.
  • the shielding area of the front first resistance member that shields the rear first resistance member is the entire front first resistance member, the loss of force that the rear first resistance member should receive is very large. Is big. Therefore, in a fluid power generation system having such a configuration, it is not possible to efficiently secure the fluid pressure due to the fluid.
  • the fluid power generation system of the present invention has a configuration in which the auxiliary rotating body located at the most downstream of the plurality of auxiliary rotating bodies is completely submerged in the fluid, the auxiliary rotating body located at the most downstream is completely submerged.
  • the plurality of first resistance members on the upstream side of the body are not in a horizontal row but in a state of being inclined and arranged in the depth direction. Therefore, the shielding area of the front first resistance member that shields the rear first resistance member becomes very small, and the force acting on each of the first resistance members is the first resistance member. It is much larger than a system in which the above are arranged in a horizontal row.
  • the number of the first resistance members on the upstream side of the auxiliary rotating body is set to 1 laterally. It can be set to the same number or more as the number of first resistance members in the case of a row.
  • the fluid power generation system of the present invention has a configuration in which the shielding area to each first resistance member is made as small as possible and the fluid pressure is received by as many first resistance members as possible. The pressure can be efficiently secured, and as a result, an extremely large amount of electric power can be generated.
  • each first resistance member is provided with a pressure receiving surface portion having a substantially semicircular cross section and the pressure receiving surface portion facing the length direction of the endless belt.
  • the pressure receiving surface portion is formed of a support member that stands upright on the surface of the endless belt. Since the pressure receiving surface portion of the first resistance member is formed in a substantially semicircular cross section, when the fluid flow is received on the concave surface side of the pressure receiving surface portion, an extremely large force can be received from the fluid. However, when the flow changes in the opposite direction, the flow of the fluid is received on the convex side of the first resistance member, and the force that can be received from the fluid is drastically reduced.
  • the present invention has a configuration in which a plurality of first resistance members are erected on the surface of the endless belt so that the pressure receiving surface portions having a substantially semicircular cross section are alternately opposed to each other. Therefore, fluid power generation is performed. Once the system is installed, the fluid flow can always be received on the concave side of the pressure receiving surface, even if the direction of the fluid flow changes.
  • each first resistance member has a pair of pressure receiving surface portions having a substantially semicircular cross section and the pair of pressure receiving surface portions having an endless belt.
  • the pair of pressure receiving surface portions are formed of a support member that stands upright on the surface of the endless belt so as to face the length direction, so that each of the pair of pressure receiving surface portions in each first resistance member faces each other.
  • the pair of pressure receiving surfaces are joined back to back.
  • the rotational force of the second rotating body and the third rotating body can be directly transmitted to the power generation device, so that the rotational efficiency is improved, and the rotational efficiency is improved accordingly.
  • the amount of power generated by the generator of the power generation device can be increased, and as a result, high power generation efficiency and large power generation can be obtained, which is an excellent effect.
  • the rotation speed of the output shaft of the fluid drive device can be changed to a desired rotation speed and transmitted to the generator.
  • the fifth, sixth and thirteenth inventions there is an effect that the amount of power generation can be further increased.
  • the fluid power generation system does not move in correspondence with the direction of the flow, and the fluid does not move. It has the effect of being able to continue the operation of the power generation system. Further, according to the tenth and eleventh inventions, there is an effect that the fluid driving device can be protected from a storm, flooding and the like.
  • FIG. 2 is a cross-sectional view taken along the line AA of FIG. It is a perspective view which shows the 1st resistance member.
  • FIG. 4 is a cross-sectional view taken along the line BB in FIG. It is a schematic diagram for demonstrating the operation which a fluid power generation system shows. It is the schematic sectional drawing which shows the modification of the 2nd resistance member in 1st Example. It is a top view which shows the fluid power generation system which concerns on 2nd Embodiment of this invention. It is a top view which shows the modification of the 2nd Example.
  • FIG. 11A shows the operation when the water flow direction is the right direction of the figure, and FIG. The operation of the case is shown.
  • FIG. 11A shows the modification of the 2nd resistance member in 3rd Example.
  • FIG. 11A shows the modification of the 2nd resistance member in 3rd Example.
  • FIG. 11A shows the modification of the 2nd resistance member in 3rd Example.
  • FIG. 4th Embodiment of this invention It is a perspective view which shows the pressure receiving surface part of the 1st resistance member. It is sectional drawing of the pressure receiving surface part.
  • FIG. 38 is a cross-sectional view taken along the line CC of FIG. 38. It is sectional drawing which shows the fluid power generation system which concerns on 9th Embodiment of this invention. It is a top view which shows the fluid power generation system which concerns on 10th Embodiment of this invention. It is a top view which shows the fluid power generation system which concerns on 11th Embodiment of this invention. It is a top view which shows the fluid power generation system which concerns on the twelfth embodiment of this invention. It is a top view which shows the fluid power generation system which concerns on 13th Embodiment of this invention.
  • Example 1 is a perspective view showing a fluid power generation system according to a first embodiment of the present invention
  • FIG. 2 is a plan view of the fluid power generation system
  • FIG. 3 is a sectional view taken along the line AA of FIG. Is.
  • the fluid power generation system 1-1 of this embodiment includes a fluid drive device 1A and a power generation device 1B.
  • the fluid drive device 1A is a device for outputting a rotational force corresponding to the fluid pressure, and is an extension portion 21b of a shaft portion 21 to which a second rotating body 2B and a third rotating body 4 described later are assembled. Is the output axis.
  • the fluid driving device 1A has a first rotating body 2A, a second rotating body 2B, an endless belt 3A, a plurality of first resistance members 30, and a third rotating body 4. Is attached to the support 10.
  • columns 11A and 12A having the same height are arranged side by side in the length direction of the endless belt 3A.
  • the columns 12B and 12C having the same height as the columns 12A are arranged side by side in the width direction of the endless belt 3A so as to face the columns 12A.
  • the columns 11B having the same height as the columns 11A are arranged side by side in the width direction of the endless belt 3A so as to face the columns 11A.
  • the first rotating body 2A has a shaft portion 20 as a rotation center axis, and both ends of the shaft portion 20 are rotatably attached to columns 11A and 11B.
  • the second rotating body 2B has the same shape as the first rotating body 2A, and has a shaft portion 21 as a rotation center axis like the first rotating body 2A. Both ends of the shaft portion 21 are rotatably attached to the columns 12A, 12B, 12C. That is, the first rotating body 2A and the second rotating body 2B maintain a constant distance in a state where the shaft portions 20 and 21 are parallel to each other, and the endless belt 3A is such a first rotating body. It is wound around 2A and the second rotating body 2B.
  • the endless belt 3A is a wide strip-shaped body, and can be formed of a multi-layered rubber member, a synthetic resin, a metal chain belt, or the like.
  • each first resistance member 30 is composed of a pressure receiving surface portion 31 and a support member 32 holding the pressure receiving surface portion 31.
  • the pressure receiving surface portion 31 is a portion for receiving fluid pressure, and is recessed in a cross-sectional arc shape.
  • the length of the pressure receiving surface portion 31 is set to be substantially equal to the width of the endless belt 3A.
  • the material of the pressure receiving surface portion 31 is arbitrary, but in this embodiment, a concavely curved metal plate is applied.
  • the support member 32 has a frame portion 32a and fixing portions 32b and 32b formed at both ends of the frame portion 32a.
  • the frame portion 32a is arranged along the width direction of the endless belt 3A, and the fixing portions 32b and 32b are fixed to the endless belt 3A by screws or the like.
  • the pressure receiving surface portion 31 is fitted in the frame portion 32a, and the upper end 31a and the lower end 31b thereof are fixed to the frame portion 32a. That is, a plurality of first resistance members 30 are erected on the surface of the endless belt 3A at regular intervals with the concave pressure receiving surface portion 31 facing in the length direction of the endless belt 3A.
  • the third rotating body 4 is arranged between the columns 12B and 12C of the support 10, and is assembled to the shaft portion 21 of the second rotating body 2B. That is, the third rotating body 4 is assembled so as to rotate into one body with the second rotating body 2B. Then, the extending portion 21b of the shaft portion 21 extending outward from the third rotating body 4 functions as an output shaft. Further, a plurality of second resistance members 40 are erected on the circumferential surface 4a of the third rotating body 4 at regular intervals. Each second resistance member 40 is a flat plate-shaped member, and both sides thereof function as pressure receiving surface portions for receiving fluid pressure.
  • the power generation device 1B is a device that receives the rotational force of the output shaft 21b of the fluid drive device 1A to perform power generation operation.
  • the power generation device 1B receives the rotational force of the output shaft 21b of the fluid drive device 1A by the rotation shaft 60 of the generator 6 to perform power generation operation.
  • the power generation device 1B includes a rotation direction converter 5A and a generator 6.
  • the rotation direction converter 5A is provided between the output shaft 21b of the fluid drive device 1A and the rotation shaft 60 of the generator 6.
  • the rotation direction converter 5A can manually convert the rotation direction of the output shaft 21b of the fluid drive device 1A and the rotation direction of the rotation shaft 60 of the generator 6 in the same direction or in the opposite direction. Since all well-known converters can be applied as such a rotation direction converter 5A, the description thereof is omitted here.
  • FIG. 6 is a schematic diagram for explaining the operation shown by the fluid power generation system.
  • the lower portion of the endless belt 3A of the fluid drive device 1A is slightly below the water surface S, and the concave pressure receiving surface portion 31 of the first resistance member 30 in the underwater W is formed.
  • the support 10 is submerged in water W and fixed so as to face the upstream side.
  • the first resistance member 30 located on the lower side of the endless belt 3A is located below the water surface S.
  • the second resistance member 40 located on the lower side of the third rotating body 4 is also located below the water surface S.
  • the pressure receiving surface portions 31 of the plurality of first resistance members 30 in the water W receive the fluid pressure
  • the first resistance member 30 in the water W receives the force to the downstream side.
  • the first resistance member 30 moves to the downstream side, and the entire endless belt 3A starts to move as indicated by the arrow.
  • the moving force of the endless belt 3A is transmitted to the first rotating body 2A and the second rotating body 2B, and the first rotating body 2A and the second rotating body 2B rotate at the same time in the arrow direction.
  • the third rotating body 4 rotates in the same direction as the second rotating body 2B like a water wheel. As a result, a large rotational energy is generated by the second rotating body and the third rotating body, and the rotational force corresponding to the rotational energy is output to the output shaft 21b of the fluid drive device 1A.
  • this large rotational force is transmitted from the output shaft 21b of the fluid drive device 1A shown in FIG. 2 to the rotation shaft 60 of the generator 6 through the rotation direction converter 5A of the power generation device 1B, and the power generation operation by the generator 6 is performed. Will be done.
  • the rotation direction of the rotation shaft 60 of the generator 6 of the power generation device 1B with respect to the rotation direction of the output shaft 21b of the fluid drive device 1A can be changed by the rotation direction converter 5A.
  • the rotation direction of the rotation shaft 60 of the generator 6 is the same as the rotation direction of the output shaft 21b of the fluid drive device 1A
  • the rotation direction of the rotation shaft 60 is opposite to the rotation direction of the output shaft 21b.
  • the rotation direction of the rotation shaft 60 can be changed in the direction opposite to the rotation direction of the output shaft 21b by manually operating the rotation direction converter 5A.
  • the length of the pressure receiving surface portion 31 of the first resistance member 30 is set to be substantially equal to the width of the endless belt 3A
  • the length of the pressure receiving surface portion 31 is set to that of the endless belt 3A. It may be set slightly shorter than the width. With such a setting, it is possible to prevent the endless belt 3A from coming off from the first and second rotating bodies 2A and 2B, and to obtain stable rotation of the endless belt 3A.
  • the second resistance member 40 formed of a flat plate-shaped member is applied, but as shown in FIG. 7, it is endless.
  • a resistance member 40A having the same structure as the first resistance member 30 erected on the belt 3A may be applied as the second resistance member.
  • FIG. 8 is a plan view showing a fluid power generation system according to a second embodiment of the present invention.
  • the fluid power generation system 1-2 of this embodiment is different from the fluid power generation system 1-1 of the first embodiment in that a fourth rotating body 4A is additionally installed in the fluid drive device 1A.
  • the fourth rotating body 4A of the fluid driving device 1A has the same shape as the third rotating body 4 of the fluid driving device 1A in the first embodiment, and has the same structure as the second resistance member 40. However, they are erected on the peripheral surface of the fourth rotating body 4A at predetermined intervals.
  • the fourth rotating body 4A is attached to one end 21a of the shaft portion 21 of the second rotating body 2B. Specifically, one end 21a of the shaft portion 21 is set to be long, the fourth rotating body 4A is attached to the one end 21a, and the tip of the one end 21a is rotatably formed by the support column 12D. I supported it.
  • the third resistance member 41 of the fourth rotating body 4A receives the fluid pressure, and the fourth rotating body 4A rotates.
  • extremely large rotational energy is generated by the second rotating body 2B, the third rotating body 4, and the fourth rotating body 4A.
  • the rotational force corresponding to this rotational energy is output to the output shaft 21b of the fluid drive device 1A and transmitted to the rotational shaft 60 of the generator 6 through the rotational direction converter 5A.
  • the fourth rotating body 4A is connected to the shaft portion 21 of the second rotating body 2B
  • one fourth rotating body 4A is connected to the shaft of the second rotating body 2B.
  • the portion 21 it may be connected to either one end portion 20a or the other end portion 20b of the shaft portion 20 of the first rotating body 2A.
  • the two fourth rotating bodies 4A are either one end portion 21a of the shaft portion 21 of the second rotating body 2B, one end portion 20a of the shaft portion 20 of the first rotating body 2A, or the other end portion 20b. Or may be connected to each of the two. Further, as shown in FIG.
  • the three fourth rotating bodies 4A are the one end portion 21a of the shaft portion 21 of the second rotating body 2B and the one end portion 20a of the shaft portion 20 of the first rotating body 2A.
  • the other end 20b may be connected to each other. Since other configurations, actions, and effects are the same as those in the first embodiment, the description thereof will be omitted.
  • FIG. 10 is a cross-sectional view showing a main part of the fluid power generation system according to the third embodiment of the present invention
  • FIG. 11 is a schematic view showing the operation of the fluid power generation system
  • FIG. 11A is a schematic view showing the operation of the fluid power generation system. The operation when the water flow direction is the right direction in the figure is shown, and FIG. 11B shows the operation when the water flow direction is the left direction in the figure.
  • the structure of the first resistance member 30 in the fluid drive device 1A is different from that of the first and second embodiments.
  • the first resistance member 30 applied to this embodiment is composed of a pressure receiving surface portion 31A formed of a flexible material and a support member 32 that supports the pressure receiving surface portion 31A. ..
  • the pressure receiving surface portion 31A may be made of a flexible material, and the type thereof may be arbitrary, such as cloth, synthetic fiber, and synthetic resin. In this embodiment, a cloth material was applied as the pressure receiving surface portion 31A.
  • the pressure receiving surface portion 31A bends as shown by the alternate long and short dash line due to the fluid pressure and receives the fluid pressure like a sail of a yacht. ..
  • the pressure receiving surface portion 31A in the one-dot chain line state bends in the fluid pressure direction as shown by the two-dot chain line, and the fluid is like a sail of a yacht. Under pressure.
  • the first resistance member 30 of the fluid power generation system 1-3 of this embodiment has the above configuration, as shown in FIG. 11A, when the water flow direction is the right direction, the first resistance member 30 is used.
  • the pressure receiving surface portion 31A of the resistance member 30 receives the fluid pressure and bends to the right, and the first rotating body 2A, the second rotating body 2B, and the endless belt 3A are applied to the first resistance member 30. It rotates counterclockwise due to pressure.
  • the third rotating body 4 also rotates counterclockwise.
  • the pressure receiving surface portion 31A of the first resistance member 30 receives the fluid pressure and bends to the left.
  • the first rotating body 2A, the second rotating body 2B, and the endless belt 3A rotate clockwise.
  • the third rotating body 4 also rotates clockwise. That is, according to the fluid power generation system 1-3 of this embodiment, when the fluid power generation system 1-3 is used in a place where the flow changes, it is necessary to move the direction of the entire fluid power generation system 1-3 according to the change in the flow direction. No. The operation of the fluid power generation system 1-3 can be continued without considering the water flow direction.
  • the second resistance member 40 formed of a flat plate-shaped member was applied, but as shown in FIG.
  • the resistance member 40B having the same structure as the first resistance member 30 applied to the third embodiment may be applied as the second resistance member. Since other configurations, actions and effects are the same as those in the first and second embodiments, the description thereof will be omitted.
  • FIG. 13 is a schematic cross-sectional view showing a main part of the fluid power generation system according to the fourth embodiment of the present invention.
  • the mounting structure of the first resistance member 30 in the fluid drive device 1A is different from that of the first to third embodiments.
  • the plurality of first resistance members 30 are erected on the surface of the endless belt 3A at regular intervals so as to be alternately reversed.
  • a plurality of first resistance members 30 are alternately arranged so that the pressure receiving surface portion 31 faces in the opposite direction.
  • the first resistance member 30 having the pressure receiving surface portion 31 pointing to the left receives the fluid pressure in the direction indicated by the solid line arrow, and the fluid pressure in the direction indicated by the two-dot chain arrow has the receiving pressure surface portion 31 pointing to the right.
  • the first resistance member 30 can receive it.
  • the fluid power generation system 1-4 of this embodiment Since the first resistance member 30 of the fluid power generation system 1-4 of this embodiment is arranged as described above, even when the first resistance member 30 is used in a place where the flow changes, the fluid power generation system 1-4 The operation can be continued without moving the entire direction according to the change in the water flow direction.
  • FIG. 14 is a perspective view showing the pressure receiving surface portion 31 of the first resistance member 30,
  • FIG. 15 is a cross-sectional view of the pressure receiving surface portion 31, and
  • FIG. 16 is a fluid in which all the pressure receiving surface portions 31 face the same direction.
  • FIG. 17 is a schematic view showing a power generation system, and FIG. 17 is a schematic view showing a state in which the entire fluid power generation system is assembled and fixed in the opposite direction.
  • the pressure receiving surface portion 31 of the first resistance member 30 of this embodiment is formed in a shape having a substantially semicircular cross section, and has a concave surface side 31c and a convex surface side 31d. ..
  • FIG. 16 in a fluid power generation system using the pressure receiving surface portion 31 having such a shape, it is necessary to install the first resistance member 30 so that the concave surface side 31c of the pressure receiving surface portion 31 faces in the direction of the water flow. There is. That is, power is generated by receiving the force of the water flow on the concave side 31c of the pressure receiving surface portion 31 having a substantially semicircular cross section.
  • the maximum force F (N) received from the water flow is as follows. It is represented by the formula (a).
  • F C x 1000 x U 2 x ab ... (a)
  • U is the relative speed (m / s) of the water flow with respect to the pressure receiving surface portion 31, and is the difference between the speed of the water flow and the moving speed of the pressure receiving surface portion 31.
  • the force F received by each pressure receiving surface portion 31 from the water flow is proportional to the drag coefficient C, and the drag coefficient C corresponds to the shape of the surface receiving the water flow.
  • each first resistance member 30 receives an extremely large force F from the water flow through the pressure receiving surface portion 31, and as a result, the fluid power generation system provided with such a first resistance member 30 receives a large power generation. Can be obtained.
  • the pressure receiving surface portion 31 receives the force of the water flow on the convex surface side 31d.
  • the drag coefficient C on the convex side 31d is "0.34", which is an extremely small value. That is, the force F received by the pressure receiving surface portion 31 becomes about one-fourth of the force received by the concave surface side 31c, and the power generation is drastically reduced, making it unusable.
  • the endless belt 3A is rotated in the first and second directions so that the force of the water flow is received by the concave side 31c of the pressure receiving surface portion 31. It is necessary to rewind the body 2A and 2B in the opposite direction.
  • this rewinding work is difficult, as shown in FIG. 17, not only the first and second rotating bodies 2A and 2B and the endless belt 3A, but also the third rotating body and the power generation device are included. It is necessary to move the entire fluid power generation system in the opposite direction to assemble and fix it.
  • the work of rewinding the endless belt 3A and changing the orientation of the entire fluid power generation system requires a long time and considerable labor. And during that time, the power generation work cannot be continued. Therefore, the place where such a fluid power generation system is assembled and fixed is limited to a river or the like where the direction of the water flow hardly changes.
  • the pressure receiving surface portions 31 alternately reverse the plurality of first resistance members 30 having the pressure receiving surface portions 31 having a substantially semicircular cross section.
  • the structure is such that the endless belt 3A is erected on the surface of the endless belt 3A at predetermined intervals. Therefore, if the fluid power generation system 1-4 is assembled and fixed at a desired location, as shown by the solid arrow in FIG. 13, when the flow direction is in the right direction, the first resistance having the pressure receiving surface portion 31 facing left is provided.
  • the member 30 can receive the force of the water flow to the maximum through the concave side 31c having a large drag coefficient C.
  • the first resistance member 30 having the pressure receiving surface portion 31 facing right has a large resistance coefficient C for the force of the water flow. It can be received to the maximum through the concave side 31c. That is, if the fluid power generation system 1-4 of this embodiment is assembled and fixed once, the endless belt 3A can be rewound and the fluid can be rewound even in the sea where the tidal current may change frequently four times or more a day. The power generation work can be continued without changing the direction of the entire power generation system.
  • the second resistance member 40 formed of a flat plate-shaped member was applied, but as shown in FIG.
  • the resistance member 40C having the same structure and arrangement as the first resistance member 30 applied to the fourth embodiment may be applied as the second resistance member. Since other configurations, actions and effects are the same as those in the first to third embodiments, the description thereof will be omitted.
  • FIG. 19 is a perspective view showing a main part of the fluid power generation system according to the fifth embodiment of the present invention
  • FIG. 20 is a schematic cross-sectional view showing the main part.
  • the structure of the first resistance member 30'in the fluid drive device 1A is different from that of the first to fourth embodiments.
  • the first resistance member 30'of this embodiment has resistance members 30A and 30B having the same structure as the first resistance member 30 applied in the first embodiment, and these resistances are present.
  • the structure is such that the members 30A and 30B are joined back to back. Specifically, the pressure receiving surface portion 31 of the resistance member 30A facing left in the figure and the pressure receiving surface portion 31 of the resistance member 30B facing right in the figure are joined back to back via the intermediate member 33.
  • the fluid pressure in the right direction indicated by the solid line arrow in FIG. 20 is the first resistance member 30. It is received by the pressure receiving surface portion 31 of the resistance member 30B, and the fluid pressure in the left direction indicated by the two-dot chain arrow can be received by the pressure receiving surface portion 31 of the resistance member 30A of the first resistance member 30'.
  • the operation can be continued without moving the direction of the entire fluid power generation system 1-5 according to the change in the flow direction.
  • each first resistance member 30' has a pair of resistance members 30A and 30B, and the pressure receiving surface portions 31 and 31 of the pair of resistance members 30A and 30B have substantially a cross section. It is formed in a semicircular shape. Then, the convex side 31d, 31d of the pressure receiving surface portions 31, 31 are joined to the intermediate member 33, respectively, so that the concave surface sides 31c, 31c of the pressure receiving surface portions 31, 31 face in opposite directions to each other. Therefore, similarly to the fluid power generation system 1-4, when the fluid power generation system 1-5 of this embodiment is assembled and fixed at a desired location, the flow direction is to the right as shown by the solid line arrow in FIG.
  • the resistance member 30A having the pressure receiving surface portion 31 facing to the left receives the force of the water flow to the maximum through the concave surface side 31c having a large drag coefficient C.
  • the resistance member 30B having the pressure receiving surface portion 31 facing to the right exerts the force of the water flow on the concave side 31c having a large drag coefficient C. Receive maximum through.
  • the second resistance member 40 formed of a flat plate-shaped member is applied as the second resistance member erected on the peripheral surface of the third rotating body 4, as shown in FIG. 21.
  • the resistance member 40D having the same structure as the first resistance member 30'applied to in the fifth embodiment may be applied as the second resistance member. Since other configurations, actions and effects are the same as those in the first to fourth embodiments, the description thereof will be omitted.
  • FIG. 22 is a perspective view showing a modified example of the first resistance member 30 applied to the first, second embodiment and the fourth embodiment
  • FIG. 23 is an exploded perspective view of the present modified example
  • FIG. 24 is a side view showing the first resistance member of this modified example partially broken.
  • a large water pressure may be applied to the first resistance member depending on the installation location, and it is necessary to pay attention to its durability. In particular, this tendency is remarkable when the first resistance member is made large. Therefore, in this modification, as shown in FIG. 22, the first resistance member 30C having a stronger structure than the first resistance member 30 applied to the first, second and fourth embodiments is used. offer.
  • the support member 32 is composed of a frame portion 32a, a long fixing portion 32b, and four stoppers 34, the fixing portion 32b is fixed to the endless belt 3A, and the frame portion 32a is formed. It is rotatably attached to the fixing portion 32b.
  • the four stoppers 34 are the edges of the endless belt 3A and are arranged on both sides of the frame portion 32a.
  • the frame portion 32a has a horizontal reinforcing portion 32c in the frame, and legs 32d and 32d at both lower ends of the frame portion 32a.
  • the fixed portion 32b is arranged so as to face the width direction of the endless belt 3A, and the rotating shaft 32b1 is rotatably inserted into the fixed portion 32b.
  • the legs 32d and 32d of the frame portion 32a are fixed to the exposed portions on both sides of the rotating shaft 32b1. That is, as shown by the arrow in FIG. 24, the frame portion 32a can rotate left and right about the rotation shaft 32b1 of the fixed portion 32b.
  • the four stoppers 34 are arranged on both sides of such a frame portion 32a, respectively. Each stopper 34 is fixed to the edge of the endless belt 3A with the opening 34a facing the leg portion 32d side of the frame portion 32a.
  • the frame portion 32a is provided with four auxiliary leg portions 32e whose tip portions can be inserted into the stopper 34.
  • each auxiliary leg portion 32e and 32e are projected in the opposite directions on both sides of the frame portion 32a and near the joint position 32a1 with the reinforcing portion 32c.
  • Each auxiliary leg portion 32e is inclined toward the stopper 34 side from the vicinity of the joint position 32a1 with the reinforcing portion 32c, and the tip portion thereof is positioned within the opening 34a of the stopper 34.
  • the length of each auxiliary leg portion 32e is such that when the frame portion 32a is perpendicular to the endless belt 3A, the tip of the auxiliary leg portion 32e floats upward from the endless belt 3A by a predetermined height. The length is set.
  • the pressure receiving surface portion 31 is joined to the frame portion 32a via the reinforcing portion 32c and the joining portion 32f.
  • three joint portions 32f are projected from the upper portion and the lower portion of the frame portion 32a at predetermined intervals.
  • Each joint portion 32f projects horizontally from the upper portion (lower portion) of the frame portion 32a.
  • the upper part of the back surface of the pressure receiving surface portion 31 is joined to the three joining portions 32f of the upper part of the frame portion 32a, and the lower part of the back surface of the pressure receiving surface portion 31 is joined to the three joining portions 32f of the lower part of the frame portion 32a.
  • the substantially central portion of the back surface of the pressure receiving surface portion 31 is joined to the reinforcing portion 32c of the frame portion 32a.
  • FIG. 25 is a side view for explaining the operation shown by the first resistance member 30C of the modified example.
  • the frame portion 32a of the support member 32 tilts to the downstream side, and the auxiliary leg portion 32e on the downstream side is tilted.
  • the tip of the stopper 34 enters the stopper 34.
  • the tip end portion of the auxiliary leg portion 32e is locked by the stopper 34, and further inclination of the frame portion 32a is prevented.
  • the fluid pressure received by the pressure receiving surface portion 31 is transmitted to the stopper 34 through the auxiliary leg portion 32e, and the endless belt 3A moves in the direction of the force F by the force F applied to the stopper 34.
  • the endless belt 3A rotates counterclockwise.
  • the frame portion 32a of the support member 32 is joined to the fixed portion 32b, so that the pressure is received.
  • the surface portion 31 receives a water flow
  • the force due to the water pressure received by the pressure receiving surface portion 31 is intensively applied to the fixed portion 32b. Therefore, if it is used for a long period of time, the fixing portion 32b may be damaged or may be peeled off from the endless belt 3A.
  • the first resistance member 30 is used in water at a high flow velocity, or when the first resistance member 30 itself is made large, such a problem may occur.
  • the frame portion 32a of the support member 32 rotates downstream around the fixed portion 32b, and the auxiliary leg portion 32e Since the structure is such that the stopper 34 abuts against the stopper 34, the force due to the water pressure received by the pressure receiving surface portion 31 is dispersed between the stopper 34 and the fixing portion 32b. As a result, the force applied to the fixed portion 32b is reduced, so that there is almost no possibility that the fixed portion 32b will be damaged or peeled off from the endless belt 3A. Since other configurations, actions and effects are the same as those of the first resistance member 30 applied to the first, second and fourth embodiments, the description thereof will be omitted.
  • FIG. 26 is a perspective view showing a modified example of the first resistance member 30 applied to the third embodiment.
  • the first resistance member 30D of this modification has a structure in which a pressure receiving surface portion 31A made of a flexible material is attached to a frame portion 32a of the first resistance member 30C of the modification. It has become.
  • the mounting structure of the pressure receiving surface portion 31A to the frame portion 32a is different from that of the first resistance member 30C of the above modification.
  • the frame-shaped pressure receiving surface mounting portion 35 is arranged inside the frame portion 32a and is joined to the frame portion 32a by a plurality of joining portions 32g.
  • the pressure receiving surface portion 31A is attached to the frame-shaped pressure receiving surface mounting portion 35.
  • FIG. 27 is a perspective view showing a modified example of the first resistance member 30'applied to the fifth embodiment
  • FIG. 28 is an exploded perspective view of the present modified example
  • FIG. 29 is the present modified example. It is a side view which shows by breaking a part of the 1st resistance member of.
  • the first resistance member 30E of this modification has a structure in which the pressure receiving surface portions 31B and 31C are attached to both sides of the frame portion 32a of the first resistance member 30C of the modification. ing.
  • the back surface of the pressure receiving surface portion 31B is joined to the plurality of joining portions 32f and the reinforcing portion 32c on one surface of the frame portion 32a. Then, with the pressure receiving surface portion 31C back to back with the pressure receiving surface portion 31B, the back surface thereof was joined to a plurality of joining portions 32f'protruding from the other surface of the frame portion 32a and the reinforcing portion 32c.
  • Other configurations, actions and effects are the same as those of the first resistance member 30'of the fifth embodiment and the first resistance member 30C of the modification, and thus the description thereof will be omitted.
  • FIG. 30 is a perspective view showing a fluid power generation system according to a sixth embodiment of the present invention.
  • the first rotating body 2A and the second rotating body 2B of the fluid driving device 1A, the third rotating body 4, and a plurality of auxiliary rotating bodies are present.
  • 2C and 2D have a structure supported by a support 10 so as to be movable up and down.
  • the elongated holes 22 and 22 are formed in the columns 11A and 11B of the support 10, respectively, and both ends of the shaft portion 20 of the first rotating body 2A are rotatably formed in the elongated holes 22 and 22, respectively. It is fitted. Then, the knobs 23 and 23 are attached to the respective tip portions of both end portions of the shaft portion 20.
  • the knobs 23 and 23 are members for rotatably positioning the shaft portion 20 of the first rotating body 2A to a predetermined height.
  • the elongated holes 22 and 22 as described above are also provided in the columns 12A, 12B and 12C, and the knobs 23 and 23 are the shaft portions 21 of the second rotating body 2B fitted in the elongated holes 22 and 22. It is also attached to the tip.
  • the auxiliary rotating bodies 2C and 2D are rotating bodies having the same shape as the first and second rotating bodies 2A and 2B, and the first and second rotating bodies are rotated with the shaft portions 25 and 26 as the central axes parallel to each other. It is juxtaposed between the bodies 2A and 2B and the endless belt 3A.
  • the elongated holes 24 and 24 that are longer than the elongated holes 22 and 22 are formed in the columns 13A and 13B of the support 10, respectively, and both ends of the shaft portion 25 of the auxiliary rotating body 2C are elongated holes. It is rotatably fitted in 24 and 24, respectively.
  • the knobs 23 and 23 are attached to both tip portions of the shaft portion 25, respectively.
  • the elongated holes 24 and 24 are also provided in the columns 14A and 14B, and the knobs 23 and 23 are also attached to the tip of the shaft portion 26 of the auxiliary rotating body 2D fitted in the elongated holes 24 and 24. Has been done.
  • the power generation device 1B includes a rotation direction converter 5A and a generator 6 connected to the rotation direction converter 5A. Then, the output shaft 21b of the third rotating body 4 of the fluid driving device 1A is connected to the rotation direction converter 5A.
  • FIG. 31 is a schematic diagram showing an installation state of the fluid power generation system of this embodiment.
  • this installation structure is also a structure that specifically realizes the installation structure of the fluid power generation system according to the twelfth invention.
  • the lower portion of the endless belt 3A of the fluid power generation system 1-6 is slightly below the water surface S, and the concave pressure receiving surface portion of the first resistance member 30 in the underwater W.
  • the support 10 is submerged in water W and fixed so that 31 faces the upstream side.
  • the first and second rotating bodies 2A and 2B and the auxiliary rotating bodies 2C and 2D are positioned in a horizontal row by using the knob 23.
  • first resistance members 30 located in the lower portion of the endless belt 3A are completely submerged in the water W, these first resistance members 30 receive the fluid pressure.
  • the first and second rotating bodies 2A and 2B rotate together with the endless belt 3A without any trouble, and the second resistance member 40 receives the fluid pressure to rotate the third rotating body 4.
  • FIG. 32 is a schematic view showing an installation structure in which the endless belt is prevented from loosening and the like.
  • the knobs 23 and 23 of the columns 13A and 13B are loosened to raise the auxiliary rotating body 2C along the elongated holes 24 and 24.
  • the auxiliary rotating body 2C is picked and positioned at that position by the 23 and 23.
  • the tension of the endless belt 3A can be maintained, and stable movement of the first resistance member 30 can be ensured.
  • FIG. 33 is a schematic diagram showing an installation structure that increases the rotational force of the fluid power generation system of this embodiment. It should be noted that this installation structure is also a structure that specifically realizes the installation structure of the fluid power generation system according to the thirteenth invention. As shown in FIG. 33, the rotational force of the fluid power generation system 1-6 can be increased by locating the auxiliary rotating body 2D in the underwater W. Specifically, in the installation state shown in FIG. 31, the knobs 23 and 23 of the columns 14A and 14B are loosened, and as shown in FIG.
  • the auxiliary rotating body 2D is inserted into the elongated holes 24 and 24 (see FIG. 30). Lower along. Then, when the portion of the endless belt 3A in the underwater W is curved in an inverted triangle, the auxiliary rotating body 2D is picked and positioned at that position by the picks 23 and 23. As a result, the length of the endless belt 3A in the underwater W becomes longer than when it is in a normal horizontal shape (see FIG. 31). That is, more first resistance members 30 than usual are completely submerged in the water W, and many first resistance members 30 receive fluid pressure, and the rotational force is further increased.
  • FIG. 34 is a schematic diagram showing an ascending state of the fluid power generation system. As shown in FIG. 34, when the water surface S rises from the broken line to the position of the solid line, the fluid drive device 1A of the fluid power generation system 1-6 is moved upward, and the lower portion of the endless belt 3A rises. It is necessary to change it so that it is slightly below S.
  • the knobs 23 of the first rotating body 2A, the second rotating body 2B, the auxiliary rotating body 2C, 2D, and the third rotating body 4 are loosened, and these members are made into the elongated holes 24, 24. Raise along (see FIG. 30). Then, when these members come to a desired position, the first rotating body 2A, the second rotating body 2B, the auxiliary rotating body 2C, 2D, and the third rotating body 4 are respectively picked at the position by the picking 23. Position.
  • the power generation device 1B is in a state of being connected to the output shaft 21b of the third rotating body 4 of the fluid drive device 1A. Therefore, when the fluid drive device 1A is raised, the power generation device 1B also becomes one body. It will rise.
  • the power generation device 1B is removed from the fluid drive device 1A, the fluid drive device 1A is raised, and then the rotation direction converter 5A of the power generation device 1B is used as the output shaft of the fluid drive device 1A. It may be connected to 21b.
  • the resistance of water to objects in the water is greater than that of land, as evidenced by the fact that a person cannot run at all just by immersing them in the water below their knees. Therefore, if a part or all of the first rotating body 2A and the second rotating body 2B is submerged in water, these rotating bodies may receive a large water resistance and the rotation efficiency may decrease. Therefore, as shown in FIG. 35, for example, only the auxiliary rotating body 2D is submerged in the water W, and the other first rotating body 2A, the second rotating body 2B, the third rotating body 4, and the like are separated from the water surface S. It is conceivable to position it on the top.
  • the plurality of first resistance members 30 pushed down into the water W by the auxiliary rotating body 2D receive the resistance of the water and move the endless belt 3A in the downstream direction.
  • the movement of the endless belt 3A causes the first rotating body 2A and the second rotating body 2B to rotate, and at the same time, the third rotating body 4 rotates to enable power generation.
  • the first rotating body 2A and the second rotating body 2B are located above the water surface S, they rotate smoothly without receiving any resistance of water.
  • the rotational efficiency of the first rotating body 2A and the second rotating body 2B is improved, and the power generation capacity is also improved. Since other configurations, actions and effects are the same as those in the first to fifth embodiments, the description thereof will be omitted.
  • FIG. 36 is a perspective view showing a fluid power generation system according to a seventh embodiment of the present invention.
  • the mounting structure of the first resistance member 30 of the fourth embodiment is applied to the fluid drive device 1A. Different from the examples.
  • a plurality of first resistance members 30 are erected on the surface of the endless belt 3A at regular intervals so that they are alternately oriented in opposite directions. Specifically, a plurality of first resistance members 30 are alternately arranged so that the pressure receiving surface portion 31 faces in the opposite direction.
  • FIG. 37 is a schematic diagram showing the installation structure of the fluid power generation system for flowing water in the right direction in the figure
  • FIG. 38 is a schematic diagram showing the installation structure of the fluid power generation system for flowing water in the left direction in the figure.
  • the auxiliary rotating body 2D is submerged in the water W so that the pressure receiving surface portion 31 facing left of the first resistance member 30 can be formed. Receives fluid pressure.
  • the endless belt 3A and the third rotating body 4 rotate counterclockwise, and the power generation device 1B starts the power generation operation. Then, as shown in FIG.
  • FIG. 39 is a perspective view showing a fluid power generation system according to an eighth embodiment of the present invention
  • FIG. 40 is a plan view of the fluid power generation system
  • FIG. 41 is a sectional view taken along the line CC of FIG. 40. Is.
  • the fluid power generation system 1-8 of this embodiment is different from the sixth and seventh embodiments in that the cover body 7 is attached to the fluid drive device 1A.
  • the cover body 7 is a frame-shaped body that is open vertically.
  • the cover body 7 is endless with the first rotating body 2A, the second rotating body 2B, the auxiliary rotating bodies 2C, and 2D so as not to come into contact with any of the plurality of first resistance members 30 of the fluid driving device 1A.
  • a mechanical portion composed of the belt 3A and the plurality of first resistance members 30 is surrounded from the surroundings.
  • the cover body 7 is fixed to the support body 10. Specifically, as shown in FIG. 40, the cover body 7 is fitted to the outside of the columns 11A to 14A and 11B to 14B of the support body 10.
  • the circular holes are the side surfaces of the cover body 7, and both ends of the shaft portion 20 of the first rotating body 2A, both ends of the shaft portion 21 of the second rotating body 2B, and the auxiliary rotating body 2C, It is opened at a position corresponding to both ends of the 2D shaft portions 25 and 26, respectively. Both ends of the shaft portions 20, 21, 25, and 26 are inserted into these circular holes, the knob 23 is fastened to these shaft portions, and the cover body 7 is fixed to the support body 10. Further, as shown in FIG. 41, the cover body 7 is set so that the lower edge 7a of the cover body 7 is located in the vicinity of the water surface S.
  • the cover body 7 is a mechanical portion composed of a first rotating body 2A, a second rotating body 2B, auxiliary rotating bodies 2C, 2D, an endless belt 3A, and a plurality of first resistance members 30, and is on the water surface S.
  • the mounting position of the cover body 7 is set so as to completely surround the positioned mechanical portion from the surroundings.
  • the third rotating body 4 of the fluid drive device 1A and the power generation device 1B are arranged outside the cover body 7 (see FIG. 40).
  • the cover body 7 is shown in the figure. As shown by the solid line of 41, it is sufficient to set the lower edge 7a of the cover body 7 to be located in the vicinity of the water surface S.
  • the first resistance member 30 or the like causes rolling or the like, and the endless belt 3A causes the first and second rotating bodies 2A and 2B. There is a risk of coming off.
  • the lower edge 7a of the cover body 7 is the first in the water W as shown by the two-dot chain line in FIG. It is set to be lower than the lower end of the resistance member 30 of. That is, the entire mechanism portion composed of the first rotating body 2A, the second rotating body 2B, the auxiliary rotating bodies 2C, 2D, the endless belt 3A, and the plurality of first resistance members 30 is completely surrounded from the surroundings. As described above, the mounting position of the cover body 7 is set. As a result, the cover body 7 itself becomes slightly larger, but it is possible to prevent the influence of the above-mentioned local complicated flow. As a result, stable rotation of the endless belt 3A and prevention of slippage can be achieved.
  • a circular hole is opened on the side surface of the cover body 7, and both ends of the shaft portion 20 and the like of the first rotating body 2A are inserted therein and the knob 23 is inserted.
  • the configuration to be fixed by is illustrated.
  • a long hole having the same shape as the long holes 22 and 24 (see FIG. 39) formed in the support columns 11A and 13A is provided at the side surface position of the cover body 7 corresponding to the long holes 22 and 24.
  • FIG. 42 is a cross-sectional view showing a fluid power generation system according to a ninth embodiment of the present invention.
  • the cover body 7 has the upper surface portion 70, which is different from the eighth embodiment.
  • a dome-shaped upper surface portion 70 is formed on the upper edge 7b of the cover body 7.
  • the upper opening of the cover body 7 is completely closed by the upper surface portion 70, so that the mechanical portion of the fluid power generation system 1-9 is completely covered by the cover body 7 from the surroundings and above, and completely from the wave wind.
  • Protected by Since other configurations, actions and effects are the same as those in the eighth embodiment, the description thereof will be omitted.
  • FIG. 43 is a plan view showing a fluid power generation system according to a tenth embodiment of the present invention. As shown in FIG. 43, in the fluid power generation system 1-10 of this embodiment, the structure of the power generation device is different from the structure of the power generation device applied to the first to ninth embodiments.
  • the output shaft 21b of the fluid drive device 1A and the rotation shaft 60 of the generator 6 of the power generation device 1B are directly connected by a connecting member 61.
  • a large rotational force output from the output shaft 21b of the fluid drive device 1A is directly transmitted to the generator 6 of the power generation device 1B. Since other configurations, actions and effects are the same as those in the first to ninth embodiments, the description thereof will be omitted.
  • FIG. 44 is a plan view showing the fluid power generation system according to the eleventh embodiment of the present invention. As shown in FIG. 44, in the fluid power generation system 1-11 of this embodiment, the structure of the power generation device is different from the structure of the power generation device applied to the first to tenth embodiments.
  • the belt mechanism 5B includes a pulley 51 as a rotating body, a pulley 52 having a diameter different from that of the pulley 51, and an endless belt 53 wound around the pulleys 51 and 52.
  • the pulley 51 of the belt mechanism 5B is attached to the output shaft 21b of the fluid drive device 1A, and the pulley 52 is attached to the rotating shaft 60 of the generator 6.
  • the belt mechanism 5B receives the rotational force of the output shaft 21b of the fluid drive device 1A by the pulley 51, and transmits the rotational force of the output shaft 21b to the rotary shaft 60 of the generator 6 by the endless belt 53 and the pulley 52. can.
  • FIG. 45 is a plan view showing a fluid power generation system according to a twelfth embodiment of the present invention. As shown in FIG. 45, in the fluid power generation system 1-12 of this embodiment, the structure of the power generation device is different from the structure of the power generation device applied to the first to eleventh embodiments.
  • the gear mechanism 5C is composed of a gear 54 and a gear 55 having different numbers of teeth, the gear 54 is attached to the output shaft 21b of the fluid drive device 1A, and the gear 55 is the generator 6. It is attached to the rotating shaft 60. That is, the gear mechanism 5C can transmit the rotational force of the output shaft 21b of the fluid drive device 1A to the rotary shaft 60 of the generator 6 by the gears 54 and 55.
  • FIG. 46 is a plan view showing a fluid power generation system according to a thirteenth embodiment of the present invention. As shown in FIG. 46, in the fluid power generation system 1-13 of this embodiment, the structure of the power generation device is different from the structure of the power generation device applied to the eleventh embodiment.
  • the rotation direction converter 5A is interposed between the belt mechanism 5B and the generator 6. Specifically, the rotation direction converter 5A is connected between the rotation shaft of the pulley 52 of the belt mechanism 5B and the rotation shaft 60 of the generator 6, whereby the rotation direction converter 5 is manually operated. Therefore, the rotation direction of the rotation shaft 60 of the generator 6 can be changed. Since other configurations, actions, and effects are the same as those in the eleventh embodiment, the description thereof will be omitted.
  • FIG. 47 is a plan view showing the fluid power generation system according to the 14th embodiment of the present invention. As shown in FIG. 47, in the fluid power generation system 1-14 of this embodiment, the structure of the power generation device is different from the structure of the power generation device applied to the twelfth embodiment.
  • the rotation direction converter 5A is interposed between the gear mechanism 5C and the generator 6. Specifically, the rotation direction converter 5A is connected between the rotation shaft of the gear 55 of the gear mechanism 5C and the rotation shaft 60 of the generator 6, whereby the rotation direction converter 5 is manually operated. Therefore, the rotation direction of the rotation shaft 60 of the generator 6 can be changed. Since other configurations, actions, and effects are the same as those in the twelfth embodiment, the description thereof will be omitted.
  • FIG. 48 is a schematic diagram showing a main part of the fluid power generation system according to the fifteenth embodiment of the present invention.
  • the first rotating body 2A supports the first and second rotating bodies 2A and 2B in a state of being positioned above the water surface S.
  • the body 10 is fixed to the columns 11A and 11B, and the second rotating body 2B is fixed to the columns 12A and 12B.
  • a plurality of auxiliary rotating bodies 2C, 2E, ..., 2D, 2F are arranged side by side between the first and second rotating bodies 2A and 2B.
  • the auxiliary rotating body 2C is supported vertically by a pair of columns 13A and 13B of the support body 10, and the auxiliary rotating bodies 2E and 2F are vertically movable by a pair of columns 15A and 15B. It is supported, and the auxiliary rotating body 2D is supported by a pair of columns 14A and 14B so as to be vertically movable.
  • An auxiliary rotating body (not shown) located between the auxiliary rotating body 2E and the auxiliary rotating body 2D is also supported by a pair of columns (not shown) so as to be vertically movable.
  • the auxiliary rotating body 2D and the auxiliary rotating body 2F located at the most downstream are completely submerged in the water W, and the auxiliary rotating bodies 2C, 2E, ...
  • auxiliary rotating bodies 2D and 2F are on the water surface S. Is located in.
  • the endless belt 3A traveling from the second rotating body 2B on the downstream side to the first rotating body 2A on the upstream side is supported by the auxiliary rotating bodies 2C, 2E, ... Located on the water surface S.
  • the endless belt 3A is pushed down toward the water surface S side to prevent it from loosening or shifting.
  • the endless belt 3A traveling from the first rotating body 2A on the upstream side to the second rotating body 2B on the downstream side the endless belt 3A is pushed and loosened by the auxiliary rotating bodies 2D and 2F arranged in water. It is prevented from being misaligned.
  • the endless belt 3A is wound around the first and second rotating bodies 2A and 2B as described above and the plurality of auxiliary rotating bodies 2C, 2E, ..., 2D and 2F, and as a result, the plurality of endless belts 3A are located in water. Most of the first resistance member 30 of the above is located in the portion of the endless belt 3A (the portion that inclines downward to the right in the figure) located on the upstream side of the auxiliary rotating body 2D.
  • FIG. 49 is a schematic diagram for explaining the action and effect when the first resistance members 30 in water are arranged in a horizontal row
  • FIG. 50 is for explaining the action and effect of this embodiment. It is a schematic diagram of.
  • the first resistance member 30 is a member having a width a (m), a height b (m), and a drag coefficient C
  • the maximum force F (N) received from the water flow. ) Is represented by the above formula (a).
  • the water flow velocity applied to the first resistance member 30 decreases depending on the size and number of water flow shields existing in front of the first resistance member 30, so that the larger and the larger the number of water flow shields, the more.
  • the relative velocity U of the water flow becomes smaller, and as a result, the maximum force F that the first resistance member 30 receives from the water flow also becomes smaller. Therefore, as shown in FIG. 49, in the fluid power generation system in which the first resistance members 30 are arranged in a horizontal row, the uppermost first resistance member 30 without a water flow shield (leftmost in the figure).
  • the first resistance member 30) located at the above receives a water flow having the largest relative velocity U.
  • the size and number of the first resistance members 30 lined up in the front become the water flow shield of the first resistance member 30 in the rear (right side in the figure). .. Therefore, the relative velocity U of the water flow received becomes smaller as the first resistance member 30 located on the downstream side. Therefore, the force F that the first resistance member 30 receives from the water flow is maximum for the first resistance member 30 that is the most upstream, and the second, third, and fourth resistance members 30 are downstream thereof. It gets smaller as it is located on the side. Moreover, since the shielding area S1 of the front first resistance member 30 that shields the rear first resistance member 30 is the entire front first resistance member 30, the rear first resistance member 30 should receive it. The loss of force F is very large. Therefore, in a fluid power generation system having a configuration in which a plurality of first resistance members 30 are arranged in a horizontal row, it is not possible to efficiently receive the fluid pressure due to the water flow.
  • the auxiliary rotating bodies 2D and 2F located at the most downstream are completely submerged in the water W and the auxiliary rotation is performed.
  • the auxiliary rotating bodies 2C, 2E, ... , ... Since it is configured to be wound around 2D and 2F, the plurality of first resistance members 30 in the water are inclined downward in the depth direction toward the most downstream auxiliary rotating body 2D instead of one horizontal row. And it will be in a lined up state.
  • the rear first resistance member 30 is displaced downward from the front first resistance member 30, and the front first resistance member 30 shields the rear first resistance member 30.
  • the shielding area S2 of the above becomes very small. Therefore, the relative velocity U of the water flow with respect to each first resistance member 30 is much larger than that of the fluid power generation system of FIG. 49 in which the first resistance members 30 are arranged in a horizontal row.
  • the force F acting on each of the first resistance members 30 is higher than that of the fluid power generation system of FIG. 49 in which the first resistance members 30 are arranged in a horizontal row. Will be extremely large.
  • the first resistance member 30 located upstream of the auxiliary rotating body 2D can be set to be equal to or greater than the number of sheets of the first resistance member 30 in the case of one horizontal row.
  • the shielding area to each first resistance member 30 is made as small as possible, and the force of the water flow is reduced by as many first resistance members 30 as possible. Since the configuration can be obtained, the fluid pressure due to the water flow can be efficiently secured, and as a result, extremely large electric power can be generated.
  • FIG. 48 a fluid power generation system to which three or more auxiliary rotating bodies 2C, 2E, ..., 2D, 2F are applied has been described, but as shown in FIG. 51, the fluid power generation system has been described.
  • the structure may be such that only the most upstream auxiliary rotating body 2C and the most downstream auxiliary rotating body 2D are left, and the other auxiliary rotating bodies 2E ... Are omitted. Since other configurations, actions, and effects are the same as those in the sixth to fourteenth embodiments, the description thereof will be omitted.
  • the present invention is not limited to the above embodiment, and various modifications and changes can be made within the scope of the gist of the invention.
  • the power generation system using water is exemplified as the fluid power generation system, but the fluid power generation system is not limited to the one using water.
  • it can be installed in the atmosphere and applied as a wind power generation system that converts energy obtained from wind pressure into electrical energy.
  • a pair of auxiliary legs 32e and 32e are projected on both sides of the frame 32a in the opposite direction, and these auxiliary legs are projected.
  • the structure is such that a pair of stoppers 34, 34 into which the portions 32e, 32e can enter are arranged at the edge of the endless belt 3A, and the structure of the first resistance member 30C is shown in FIG. 52.
  • the structure may be such that only the auxiliary leg portion 32e and the stopper 34 located on the downstream side are provided, and the auxiliary leg portion 32e and the stopper 34 located on the upstream side are excluded.
  • 1-1 ⁇ 1-14 ... fluid power generation system 1A ... fluid drive device, 1B ... power generation device, 2A ... first rotating body, 2B ... second rotating body, 2C ⁇ 2F ... auxiliary rotating body, 3A, 53 ... endless belt, 4 ... 3rd rotating body, 4A ... 4th rotating body, 4a ... circumferential surface, 5A ... rotation direction converter, 5B ... belt mechanism, 5C ... gear mechanism, 6 ... generator, 7 ... Cover body, 7a ... lower edge, 7b ... upper edge, 10 ... support, 11A ⁇ 15A, 11B ⁇ 15B, 12C, 12D ... support, 20,21,25,26,53 ... shaft part, 20a, 21a ...

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

Abstract

Sont fournis un système de génération d'énergie fluidique pour atteindre une capacité de génération d'énergie élevée en convertissant de l'énergie d'un fluide en énergie électrique, et une structure d'installation pour celui-ci. Le système de génération d'énergie fluidique comprend un dispositif entraîné par fluide (1A) et un dispositif de génération d'énergie (1B). Le dispositif entraîné par fluide (1A) est composé de premier à troisième corps rotatifs (2A, 2B, 4) et d'une courroie sans fin (3A). Le dispositif de génération d'énergie (1B) est composé d'un convertisseur de direction de rotation (5A) et d'un générateur d'énergie (6). Le convertisseur de direction de rotation (5A) est disposé entre un arbre de sortie (21b) du dispositif entraîné par fluide (1A) et un arbre rotatif 60 du générateur d'énergie (6). La courroie sans fin (3A) est enroulée sur les premier et deuxième corps rotatifs (2A, 2B), et comporte des premiers éléments de résistance (30) installés verticalement sur une surface de celle-ci. Le troisième corps rotatif (4) est assemblé d'un seul tenant au deuxième corps rotatif (2B), et comporte des seconds éléments de résistance (40) installés verticalement sur une surface de celui-ci. La partie d'extrémité extérieure d'une partie arbre (21) fonctionne en tant qu'arbre de sortie (21b).
PCT/IB2021/058329 2020-07-14 2021-09-14 Système de génération d'énergie fluidique et structure d'installation pour celui-ci WO2022013847A1 (fr)

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Publication number Priority date Publication date Assignee Title
JP2013068196A (ja) * 2011-09-26 2013-04-18 Yoshio Hirata 水力発電装置
JP2016048031A (ja) * 2013-01-17 2016-04-07 隆 飛田 下掛け水車

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WO2007034502A1 (fr) * 2005-09-23 2007-03-29 Thevar Sabapathy Narayana Appareil utilisant les forces de gravité et de flottaison
DE102008013926B4 (de) * 2008-03-12 2019-07-25 Vensys Energy Ag Vorrichtung zur Verstellung des Anstellwinkels eines Rotorblattes einer Windenergieanlage

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013068196A (ja) * 2011-09-26 2013-04-18 Yoshio Hirata 水力発電装置
JP2016048031A (ja) * 2013-01-17 2016-04-07 隆 飛田 下掛け水車

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