WO2002059480A1 - Convertisseur d'energie houlomotrice du type comprenant un corps en mouvement - Google Patents

Convertisseur d'energie houlomotrice du type comprenant un corps en mouvement Download PDF

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Publication number
WO2002059480A1
WO2002059480A1 PCT/JP2002/000479 JP0200479W WO02059480A1 WO 2002059480 A1 WO2002059480 A1 WO 2002059480A1 JP 0200479 W JP0200479 W JP 0200479W WO 02059480 A1 WO02059480 A1 WO 02059480A1
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WIPO (PCT)
Prior art keywords
movable object
wire
wave
power
movable
Prior art date
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PCT/JP2002/000479
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English (en)
Japanese (ja)
Inventor
Kesayoshi Hadano
Original Assignee
Yamaguchi Technology Licensing Organization Ltd.
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 Yamaguchi Technology Licensing Organization Ltd. filed Critical Yamaguchi Technology Licensing Organization Ltd.
Publication of WO2002059480A1 publication Critical patent/WO2002059480A1/fr

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Classifications

    • 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
    • F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
    • F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
    • F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
    • F03B13/16—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem"
    • F03B13/18—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore
    • F03B13/1885—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the relative movement between a wave-operated member, i.e. a "wom" and another member, i.e. a reaction member or "rem" where the other member, i.e. rem is fixed, at least at one point, with respect to the sea bed or shore and the wom is tied to the rem
    • 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 wave energy conversion device, and more particularly to a low-cost, high-efficiency movable-object-type wave energy conversion device.
  • a wave energy conversion device is a primary conversion device for converting wave energy into other mechanical energy, and a device for converting the mechanical energy obtained by the primary conversion device into easily usable energy such as electricity.
  • a primary conversion device is typically composed of a vibrating water column type and a movable object type. The vibrating water column type is disclosed in, for example, Japanese Patent Application Laid-Open No. H11-200. As shown in No.
  • a container with a closed air chamber at the top and an opening at the bottom for seawater to enter and exit was used. It creates pressure fluctuations in the air chamber and the air chamber, and creates an air flow based on the pressure difference between the inside and outside of the container.
  • the air turbine which is a secondary conversion device, is rotated. To generate electricity.
  • the vibrating water column type does not require any moving parts in the primary Containers with closed air chambers must be pressure-resistant and air-tight, require a large amount of steel and concrete, and have an excellent air turbine. They are complex and expensive, and have the problem of soaring power generation costs.
  • the movable object type captures the movement of a movable object placed near the water surface by the movement of the water wave as power, and the movable object and the motion transmission means for transmitting the motion of the movable object.
  • the apparatus includes a motion converting mechanism for converting the transmitted motion into a motion for driving a secondary conversion device such as a generator.
  • Japanese Patent Application Laid-Open No. 08-270417, Japanese Utility Model No. 01-1662777 is a single wire having one end connected to a movable object and the other end attached to a weight.
  • a motion conversion mechanism and a generator were installed on the shore or on a large floating body. It was difficult to efficiently transmit and convert energy, and there was a problem that the installation location was restricted or the cost increased significantly due to the installation of a large floating body.
  • Mobility conversion mechanism, generator, etc. are mounted on a movable object, and as a technology to avoid cost increase due to restrictions on installation location and installation of large floating body, the movable object is moored to an anchor on the sea floor, A technology has been disclosed in which a weight supported by a panel from above and below is provided on a movable object, and the reciprocating motion of the weight is converted into motion (Japanese Patent Application Laid-Open No. 07-230358). Since the weight is supported by the panel, only reduced motion can be transmitted, and only one-directional energy of the motion of the movable body due to waves can be extracted, and efficient wave energy conversion cannot be performed. Is left.
  • a motion conversion mechanism As a technology in which a motion conversion mechanism, a generator, and the like are mounted on a movable object, one end is connected to a tetrapod installed on the seabed, and a short link is attached to the other end.
  • the short link tinnine has a very simple structure that also serves as a mooring for a movable object, but basically can only extract energy in one direction of motion of the movable object due to waves. For example, the energy of the rotation fluctuation of the moving object with the sprocket as a fulcrum cannot be extracted.
  • the amount of movement of the short link chain in the sprocket becomes smaller than the amount of vertical movement of the movable object. The problem is that even the energy of vertical movement cannot be converted sufficiently.
  • An object of the present invention is to provide a low-cost, high-efficiency, movable-object-type wave energy conversion device that is not restricted by its installation location in view of the above-described circumstances related to the wave energy conversion device. . Disclosure of the invention
  • a movable object type wave energy converting apparatus of the present invention comprises a fixed object such as an anchor installed on the seabed, a weight and one end connected to the fixed object, and the other end connected to the weight.
  • Mechanism including a wire that includes a wire, a generator, a power extraction pulley engaged with the wire, and a reversible unit that always rotates the generator in the same direction regardless of the rotation direction of the power extraction pulley.
  • Power extraction means including a generator and power extraction means And at least one pair of wire mechanisms are provided generally symmetrically in the front-rear direction along the main traveling direction of the wave.
  • a movable-object-type wave energy conversion device further comprising at least one pair of the wire mechanism further provided in a direction perpendicular to the main traveling direction of the wave and substantially symmetrically in the longitudinal direction.
  • the fixed object may be installed on the seabed far from the movable object, and the fixed object may be placed between the fixed object and the movable object.
  • This is a movable object type wave energy conversion device in which the wire is inclined.
  • the wire mechanism is configured such that a wire between the fixed object and the movable object is substantially vertical, and the wire mechanism is a first wire mechanism.
  • a second fixed object such as an anchor installed on a distant sea floor, an elastic mechanism with one end fixed to a movable object, and one end connected to the second fixed object and the other end connected to the other end of the elastic mechanism.
  • a second wire mechanism including a connected second wire; and a power extraction pulley and a power extraction pulley that engage with the second wire.
  • a second power extraction means including a reversible unit that always rotates the electric machine in the same direction, and the second wire mechanism is slightly symmetrical in the front-back direction along the main traveling direction of the wave. are also provided as a pair.
  • the second wire mechanism is further provided with at least one pair in a direction perpendicular to the main traveling direction of the wave and substantially symmetrically in the front-rear direction. It is further provided with an object to receive the water and a plate to receive the resistance of the water.
  • FIG. 1 shows a first embodiment of the present invention in a direction perpendicular to a main traveling direction of a wave. It is the schematic side view seen from.
  • FIG. 2 is a schematic plan view of the first embodiment of the present invention as viewed from above.
  • FIG. 3 is an embodiment of a schematic configuration of the power extraction means including the power extraction pulley and the reversible unit of the present invention.
  • FIG. 4 is a perspective view showing a schematic configuration of a movable object according to a second embodiment of the present invention further provided with an object receiving wind power and a plate receiving water resistance. Explanation of reference numerals
  • one end was connected to a fixed object installed on the seabed, and the other end was connected to a weight.
  • the pulley for power extraction arranged on the movable object is engaged with the wire, and repeats inversion due to the vertical movement, horizontal movement, or rotation of the movable object, but the power is pulled through the reversible unit.
  • the generator always rotates in the same direction regardless of the direction of rotation of the extraction pulley.
  • the power extracting means is configured to connect a rotating shaft that extracts a rotational motion in a certain direction, or to use a bevel gear or the like so as to enable torque synthesis.
  • the temporal fluctuation of the combined rotational motion is generally equalized to some extent because the phases of the vertical movement, horizontal movement, and rotational fluctuation of the movable object are not uniform. Further, after all the rotational forces are combined, the unevenness of the rotational movement can be further removed via the flywheel.
  • Examples of the reversible unit include well-known techniques, such as a one-way clutch disclosed in Patent No. 2857383, Japanese Patent Application Laid-Open No. 08-210174, and the like. A combination of the two can be used, and the detailed mechanism of the reversible unit does not limit the present invention.
  • How many pairs of wire mechanisms are provided is generally determined by the shape of the movable object.
  • a cylindrical or small movable object is paired, and a long rectangular movable object is movable.
  • the longitudinal direction of the wave is arranged at right angles to the main traveling direction of the wave, and a plurality of pairs are provided at appropriate intervals in the longitudinal direction, so that a wide range of wave energy can be effectively absorbed by one movable object.
  • the first wire mechanism also serves to moor the movable object, it is desirable to provide a shock absorbing mechanism at the position of the movable object that comes into contact with the weight when the movable object flows.
  • the wave energy conversion device of the present invention since the wave energy conversion device of the present invention according to the above-described embodiment has a generator and the like mounted on a movable object, it is not restricted by an installation place and has a simple configuration that does not require a large floating body. , Low cost.
  • the first wire mechanism along with the main traveling direction of the wave, the first wire mechanism, which is provided approximately symmetrically in the front-rear direction, can extract energy such as rotational sway as the movable object moves up and down. As a result, it is possible to efficiently convert wave energy.
  • the first wire mechanism in an installation place where the traveling direction of a wave often varies from time to time, is moved substantially forward and backward along a direction perpendicular to the main traveling direction of the wave.
  • a fixed object may be installed on the sea floor far from the movable object, depending on the wave conditions at the installation location, and the fixed object and the fixed object may be installed. It is configured so that the wire between it and the movable object is inclined. That is, an appropriate tilt angle is selected according to the components of the vertical and horizontal movements of the wave force.
  • Table 1 shows the wire inclination angle between the fixed object and the movable object, with the water depth being 40 m and the moving amount of the movable object being a parameter, for the vertical wire and the 45-degree inclined wire.
  • 6 is a table showing an example of a relationship between a moving amount extraction rate, a power extraction pulley wire moving amount, and a moving object moving amount).
  • the first wire mechanism is configured such that a wire between a fixed object and a movable object is substantially vertical, and further, a second wire mechanism and a second power extracting means are provided.
  • An embodiment of the present invention will be described in which at least one pair is provided substantially symmetrically in the longitudinal direction along the main traveling direction of the wave.
  • the first wire mechanism is configured such that the wire between the fixed object and the movable object is substantially vertical, and the movement and rotation of the movable object body are mainly performed.
  • the second wire mechanism and the second power extraction means are used mainly for horizontal energy extraction and mooring of a movable object.
  • the first wire mechanism is arranged so that the wire between the fixed object and the movable object is substantially vertical so that the energy of the vertical movement and the rotation of the movable object due to the waves can be extracted with maximum efficiency.
  • the second wire mechanism is configured to place a second fixed object on the sea floor far from the movable object, tilt the second wire between the second fixed object and the movable object, It is designed to extract the energy of the horizontal motion of a movable object with high efficiency.
  • the second wire mechanism is a stretchable elastic with one end fixed to a movable object. It has a mechanism to apply a restoring force to a movable object that attempts to move in the horizontal direction by a wave, and to apply tension and movement to the second wire when moving or restoring the movable object in the horizontal direction. More wave energy is extracted.
  • the configuration and operation of the second power extracting means or the torque synthesis are the same as those of the first power extracting means.
  • the number of pairs of the second wire mechanism or the number of the second wire mechanism in the direction perpendicular to the main traveling direction of the wave is determined in the case of the first wire mechanism.
  • the second wire mechanism and the second power extraction means which is determined by the condition of the movable object, the condition of the wave at the installation location, and the like. This makes it possible to convert the power of the vertical movement, horizontal movement, and rotational sway of the movable object into energy for rotational movement without waste, and to convert wave energy more efficiently.
  • the movable object is moored by the second wire mechanism having an elastic elastic mechanism having one end fixed to the movable object, the stability of the movable object can be further enhanced.
  • a movable object is further provided with an object receiving wind power and a plate receiving resistance of water.
  • the most significant feature of the present invention is that by providing a plurality of wire mechanisms, the power of up / down movement, horizontal movement, and rotational fluctuation of a movable object can be converted with high efficiency.
  • the movable object may be rotated above the water surface so that the wind causes the movable object to rotate and shake.
  • Provide an object to receive the wind for example, a sail. This makes it possible to extract wind energy as well, and realize a more efficient wave energy conversion device.
  • a plate that is easily affected by water is protrudingly installed below the surface of the movable object, thereby achieving high efficiency wave energy conversion. The device becomes possible.
  • a pair of a first wire mechanism and a second wire mechanism are provided in a substantially symmetrical manner in the longitudinal direction along the main traveling direction of a wave.
  • the wave energy conversion device of the present invention in which each pair is provided substantially symmetrically in the front-rear direction along the direction perpendicular to the direction will be described.
  • FIG. 1 is a schematic side view of the first embodiment viewed from a direction perpendicular to the main traveling direction of waves
  • FIG. 2 is a schematic plan view viewed from above.
  • FIG. 3 is a plan view showing an embodiment of a schematic configuration of a power extraction means including a power extraction pulley and a reversible unit.
  • 1 is a movable object
  • 2 is a first anchor installed on the sea floor almost vertically below the movable object
  • 3 is a first wire
  • 4 is a weight
  • 5 is a power source.
  • 6 is the second anchor installed on the sea floor far from the movable object
  • 7 is the second wire
  • 8 is the elasticity with one end fixed to the movable object 1.
  • Spring wound spring which is an elastic structure of
  • Reference numerals 9 and 10 denote free pulleys which support the first wire 3 and the second wire 7.
  • the first wire mechanism includes, for example, a first wire 3 a having one end connected to the first anchor 2 a, a power extraction unit 5 via a free pool unit 9, and a power extraction unit 5. After that, the weight 4a is connected to the other end via the free pulley section 10 on the opposite side, and then lowered to tension the first puller 3a. And the first wire 3a between the first anchor 2a and the free pool section 9 is configured to be substantially vertical. .
  • Such a first wire mechanism is provided in a substantially symmetric pair, and
  • a pair is also provided in the depth direction (direction perpendicular to the main traveling direction of the wave) in the figure, but the pair in the depth direction in the figure is omitted.
  • the second wire mechanism includes, for example, a second wire 7a connected to the second anchor 6a, a free pulley unit 9, a power extraction unit 5 via a free pulley unit 9, and a power extraction unit 5. (Not shown), and then the other end is connected to the winding panel 8a, and the second puller 7a between the second anchor 6a and the free pulley section 9 is inclined. It is configured.
  • a pair of such second wire mechanisms is provided substantially symmetrically, and a pair is also provided in the depth direction in the figure, but the pair in the depth direction in the figure is omitted.
  • 11a, 12b, 13a, and 14a are free pools constituting the free pool section 9 of FIG. 1
  • llb, 12a.13b, 1 and 14 b are the same as those in FIG. 1 except for the free pool constituting the free pool unit 10 in FIG.
  • the wire mechanism and the like in the upward and downward direction are not shown.
  • the anchor 6 is installed far from the movable body 1 and the second wire using the inclined wire 7 is used.
  • the free pull mechanism 13 is arranged such that the second wire 7a and the second wire 7b on the outer side of the outer periphery of the movable object 1 are aligned with each other on the horizontal drawing. And free pools 14 are arranged.
  • Figure 2 does not show such considerations for the first wire mechanism where anchor 2 is installed almost vertically below movable object 1. Similar considerations are made to improve the stability of body 1. At this time, the heights of the free bulge for the first wire function and the free bully for the second wire mechanism provided on the outer periphery of the movable object 1 are arranged differently, and both wires are arranged. Avoid crossover.
  • FIG. 3 is a plan view showing an embodiment of a schematic configuration of power extraction means including a power extraction pulley and a irreversible unit, which constitutes the power extraction unit 5 of FIG. 1.
  • 1 is a representative illustration of a power extracting means including a power extracting means including a power extracting pulley engaged with a wire 3a of FIG. A similar extraction means is provided for each wire and constitutes the power extraction unit 5 of FIG.
  • 17a is a pulley for power extraction
  • 18a is a reversible unit
  • 18a is a pulley support shaft 21a for power extraction, a one-way clutch.
  • the first wire between the first anchor 1 and the movable object 1 is taken out so that the energy of the vertical movement and the rotational fluctuation of the movable object 1 due to the wave can be extracted with maximum efficiency.
  • a first wire mechanism is provided in four directions of the movable object 1 so that the second wire 3 is substantially vertical, and a second wire mechanism 7 between the second anchor 6 and the movable object 1 is provided. Are tilted so that the energy of the horizontal motion of the movable object 1 due to the waves can be extracted with high efficiency.
  • the second gear mechanisms are provided in the four directions of the movable object 1.
  • the weight of the first wire 3 is generated by the weight 4 connected to one end, and the vertical movement and rotation fluctuation of the movable object 1 are mainly generated.
  • Perform extraction For example, the first wire 3a connected to the first anchor 1a and the weight 4a is connected to the power extraction pool of the power extraction unit 5 via the free pools 11a and 12a. Engage with 17 a and rotate the power extraction bully 17 a alternately forward and reverse with the vertical movement of the free pulley 11 a installed at the right end of the movable object 1.
  • the power transmitted to the power extraction pull 17a passes through the power extraction pulley support shaft 21a, and a flange 22a with a one-way clutch, a pair of gears 24a and a pair of gears 24a.
  • the power transmitted to the power transmission shaft 29a as a rotational motion in the same direction is the power of another wire mechanism similarly converted by connecting the power transmission shaft or using a bevel gear or the like. After the torque of the rotary motion is removed through the flywheel, the generator is driven and converted into electric energy by a secondary method.
  • These are known technologies, for example, The techniques disclosed in Japanese Patent Publication No. 28577383 and Japanese Patent Application Laid-Open No. 08-240174 can be used, and are not shown.
  • the tension of the second wire 7 is generated by the winding panel 8 having one end fixed to the movable object 1, and the energy conversion of the horizontal movement of the movable object 1 is mainly performed.
  • the second wire 7a connected to the second anchor 16a and the helical spring 8a passes through the free pulleys 13a and 14a to the power extraction pulley of the power extraction unit 5. (Not shown) to apply a restoring force to the movable object 1 that attempts to move in the horizontal direction by the waves, The brewery for power extraction is alternately rotated forward by the tension and movement of the wire 7a of 2, Reverse rotation.
  • the second wire mechanism also has a function of mooring the movable object 1.
  • the first wire is configured so that the wire between the anchor and the movable object is substantially vertical so that the energy of the vertical movement and the rotation fluctuation of the movable object due to the waves can be extracted with maximum efficiency.
  • Mechanisms are provided in four directions of the movable object, and a wire between the anchor and the movable object is inclined, so that the energy of horizontal movement of the movable object due to waves can be extracted with high efficiency. Since the mechanisms are provided in the four directions of the movable object, the power of the vertical movement, horizontal movement, and rotational fluctuation of the movable object due to the waves can be converted into energy with high efficiency.
  • the stability of the movable object can be improved. It can be.
  • FIG. 4 is a perspective view showing an embodiment of a schematic configuration of a movable object according to the present invention further provided with a plate receiving a wind resistance and water resistance.
  • 1 is a movable object
  • 31 is a wind receiving mechanism installed above the movable object
  • 32 is a water flow receiving mechanism provided below the movable object 1.
  • the wind receiving mechanism 31 is used to obtain wind energy by utilizing the fact that the movable object 1 undergoes a rotational sway due to intermittent wind load above the movable object 1. It is provided at the upper part and includes a frame of a radial structure formed in a radial shape with a steel frame or the like, and a plurality of plates suspended from above in the frame.
  • the vertical frame has a groove that allows the use of multiple lanes so that multiple plates can be moved up and down freely, and the plate or groove has a mouth that allows the plate to move up and down smoothly. Although one roller is provided, these are not shown. As a result, the plate can be placed only in a low place in a strong wind, and it is possible to prevent the movable body 1 from being subjected to a strong wind that impairs the stability.
  • the water flow receiving mechanism 32 is for obtaining a wide range of wave energy, and is provided to protrude below the movable object 1 and is configured by radiating a plate receiving water resistance.
  • the second fixed object is an anchor similar to the first fixed object, but as described in detail in the embodiment of the invention, the movable object and the fixed object are connected to each other.
  • the horizontal movement energy can be extracted more efficiently as the wire between them is closer to the horizontal. Therefore, mainly horizontal movement
  • the second wire mechanism that extracts the energy of the stake is, for example, a movable stake that is formed by connecting the second fixed object to a stake fixed to the seabed and connecting a second wire to the upper end of the stake.
  • the inclination of the wire between the object and the pile can be made nearly horizontal, and the wave energy can be converted more efficiently.
  • the helical spring which is an elastic mechanism having one end fixed to the movable object, is provided only linearly.
  • the horizontal movement of the movable object is relatively large, and the movable object has a relatively large horizontal movement.
  • the horizontal dimension is small, for example, it is necessary to connect wires and elastic mechanisms alternately, and to change the direction by the free pool at the wire part, and to configure it in multiple stages.
  • the length of the elastic mechanism can be ensured. In this case, the space above the movable object can be more effectively used by configuring the movable object in multiple stages with different heights.
  • the direction of the wire in the vertical plane is changed by one free pulley provided in the periphery of the movable object, but by a plurality of free pulleys.
  • the direction in multiple stages it is possible to reduce the burden on the bearing of each free bully.
  • the load of the free pulley bearing is 2 T cos ⁇
  • the free pool is provided around the movable object.
  • the free pool is provided.
  • the motion of rotational fluctuation can be amplified and extracted, and the wave energy conversion can be performed more efficiently.
  • the period of the wave changes with the day, but the natural period of the movable object or the like floating in the water is set close to the period of the wave, that is, the movable object or the like is set so as to be close to the resonance state.
  • the natural period to be adjustable and adjusting the natural period of the movable object etc. according to the wave period, the motion of the movable object is amplified, and the wave energy conversion is more efficient. be able to.
  • the natural period of the whole system is approximately 2 ⁇ X (M / (pg A )) D ⁇ 5 , so that the movable object is constructed to hold water, and the pump is used to supply and drain water in the movable object to change the mass M of the movable object, etc.
  • the natural period of a movable object or the like can be adjusted according to the period of the moving object.
  • the first wire mechanism provided with at least one pair of at least one pair symmetrically in front and back along the main traveling direction of the wave can extract energy such as rotational sway as the movable object moves up and down. This has the effect of efficiently converting wave energy.
  • At least one pair of first wire mechanisms is further provided symmetrically in a front-rear direction along a direction perpendicular to the main traveling direction of the wave in accordance with the wave energy situation at the installation location.
  • the two wire mechanisms are generally symmetrical in the longitudinal direction along the main traveling direction of the waves. The effect of highly efficient conversion of wave energy in all directions ⁇ ⁇

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  • Engineering & Computer Science (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)

Abstract

L'invention concerne un convertisseur d'énergie houlomotrice, du type comprenant un corps en mouvement. Un générateur et des moyens d'extraction d'énergie comprenant des poulies d'extraction d'énergie qui entrent contact avec des câbles, et un dispositif d'inversion, sont montés sur un corps en mouvement, et au moins deux mécanismes à câbles comprenant des corps fixes tels que des ancres installées au fond de la mer, des poids, et des câbles dont une extrémité est connectée avec les corps fixes et l'autre extrémité est connectée aux poids, sont installés le long de la direction de propagation d'une vague importante, de manière à être sensiblement symétriques dans la direction longitudinale, et des mécanismes à câbles sont en outre installés dans la direction perpendiculaire à la direction de propagation de la vague importante, de manière à permettre une extraction efficace des énergies résultant du mouvement vertical, du mouvement horizontal et de la giration du corps en mouvement sous l'effet des vagues.
PCT/JP2002/000479 2001-01-26 2002-01-23 Convertisseur d'energie houlomotrice du type comprenant un corps en mouvement WO2002059480A1 (fr)

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JP2001-17862 2001-01-26
JP2001017862A JP2002221142A (ja) 2001-01-26 2001-01-26 可動物体型波力エネルギー変換装置

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007042800A1 (fr) * 2005-10-10 2007-04-19 Trident Energy Ltd Flotteur pour centrale de conversion d’energie houlomotrice
FR2895466A1 (fr) * 2005-12-22 2007-06-29 Olaf Rene Zalcman Dispositif pour l'extraction de l'energie des vagues
WO2009098514A2 (fr) * 2008-02-07 2009-08-13 Pure Marine Gen Limited Appareil de conversion de l'énergie des vagues
WO2015003229A1 (fr) * 2013-07-12 2015-01-15 Laminaria Bvba Houlomotrice pouvant être ancrée
GB2529210A (en) * 2014-08-13 2016-02-17 Bruce Gregory Improved wave energy converter
JP2021500505A (ja) * 2017-10-26 2021-01-07 シーターンＳｅａｔｕｒｎｓ 浮動式波力発電装置

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JP5207353B2 (ja) * 2007-03-16 2013-06-12 国立大学法人京都工芸繊維大学 振動制御方法及び振動制御装置
US7845880B2 (en) * 2008-10-09 2010-12-07 Rodney Ashby Rasmussen Systems and methods for harnessing wave energy
GB2490314B (en) * 2011-04-18 2017-08-09 Mathclick Ltd Energy converter

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JPH116472A (ja) * 1997-06-16 1999-01-12 Katsuo Tateishi 波力を利用した発電設備

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WO2007042800A1 (fr) * 2005-10-10 2007-04-19 Trident Energy Ltd Flotteur pour centrale de conversion d’energie houlomotrice
US8418453B2 (en) 2005-10-10 2013-04-16 Trident Energy Ltd Float for sea wave energy conversion plant
FR2895466A1 (fr) * 2005-12-22 2007-06-29 Olaf Rene Zalcman Dispositif pour l'extraction de l'energie des vagues
WO2009098514A2 (fr) * 2008-02-07 2009-08-13 Pure Marine Gen Limited Appareil de conversion de l'énergie des vagues
WO2009098514A3 (fr) * 2008-02-07 2010-05-06 Pure Marine Gen Limited Appareil de conversion de l'énergie des vagues
WO2015003229A1 (fr) * 2013-07-12 2015-01-15 Laminaria Bvba Houlomotrice pouvant être ancrée
BE1021706B1 (nl) * 2013-07-12 2016-01-11 Laminaria Bvba Verankerbare golfenergieconvertor
GB2529210A (en) * 2014-08-13 2016-02-17 Bruce Gregory Improved wave energy converter
GB2529210B (en) * 2014-08-13 2018-01-31 Gregory Bruce Improved wave energy converter
US10190568B2 (en) 2014-08-13 2019-01-29 Bruce Gregory Wave energy converter
JP2021500505A (ja) * 2017-10-26 2021-01-07 シーターンＳｅａｔｕｒｎｓ 浮動式波力発電装置

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