WO2012011645A1 - 파력발전장치 - Google Patents
파력발전장치 Download PDFInfo
- Publication number
- WO2012011645A1 WO2012011645A1 PCT/KR2011/000009 KR2011000009W WO2012011645A1 WO 2012011645 A1 WO2012011645 A1 WO 2012011645A1 KR 2011000009 W KR2011000009 W KR 2011000009W WO 2012011645 A1 WO2012011645 A1 WO 2012011645A1
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- upper structure
- power generation
- center
- wave
- wave power
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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
- 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
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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
- 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
- F03B13/1805—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 hinged to the rem
- F03B13/181—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 hinged to the rem for limited rotation
- F03B13/182—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 hinged to the rem for limited rotation with a to-and-fro movement
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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
- 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
- F03B13/1805—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 hinged to the rem
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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
- 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
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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
- 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
- F03B13/22—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 flow of water resulting from wave movements to drive a motor or turbine
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/50—Kinematic linkage, i.e. transmission of position
- F05B2260/503—Kinematic linkage, i.e. transmission of position using gears
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/102—Purpose of the control system to control acceleration (u)
- F05B2270/1022—Purpose of the control system to control acceleration (u) by making it as high as possible
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/20—Purpose of the control system to optimise the performance of a machine
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- 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 power generator for generating electricity.
- Common power generation methods include hydroelectric power generation using hydroelectric power, thermal power generation using fossil fuels, and nuclear power generation using nuclear power.
- a wave power generating device uses a translational or rotational motion of a floating body by waves, and converts such kinetic energy to produce electric energy.
- the conventional wave power generator directly uses the wave energy itself, the power generation efficiency may be lowered according to the sea state, and furthermore, there is a problem that power generation efficiency drops sharply in the calm sea conditions.
- the conventional wave power generator has a risk of damage to the power generator itself when installed in a large wave energy to increase the power generation efficiency.
- the conventional wave power device is limited in the area where power generation is possible, and it is not possible to continuously produce stable electricity. Accordingly, the actual electric power generation efficiency is low, which is a factor in economic efficiency and practicality.
- One embodiment of the present invention is to provide a wave power generator that allows the floating body to move according to the sea wave characteristics to increase the kinetic energy due to resonance to improve the power generation efficiency.
- Wave power generation apparatus is an upper structure that is swinging by the wave, the lower structure is installed below the water surface and rotatably supporting the upper structure, and installed on either of the upper structure or the lower structure and the upper It includes a power generation unit for converting the kinetic energy generated when the structure is rotated into electrical energy, and a center of gravity moving unit installed on the upper structure to move the center of gravity of the upper structure to control the period of the wave and the period of oscillation of the upper structure do.
- the drive shaft of the power generation unit may be connected to the pivot shaft of the superstructure.
- the apparatus may further include a reduction / accelerator installed between the pivot shaft of the superstructure and the driving shaft of the power generation unit.
- the center of gravity of the superstructure may be located lower than the buoyancy center of the superstructure.
- Sides of the upper structure may be formed in a droplet shape that increases in width from the top to the bottom, and narrows again as it passes through the pivot axis of the upper structure.
- the center of gravity moving unit may include a rotating shaft installed on the upper structure, the lower body, a weight body provided on one side of the rotating shaft, and a driving unit for lifting the weight body by rotating the rotating shaft.
- the center of gravity moving part may include a rod installed on the upper structure up and down, and having a rod formed on one side thereof, a weight body installed on the other side of the rod, and a rotating gear engaged with the gear portion of the rod to move the rod up and down. have.
- the center of gravity moving unit may include an actuator installed inside the upper structure, and a weight body installed on one side of the actuator and lifted by the actuator.
- the center of gravity moving unit may include a ballast tank installed inside the superstructure, and a ballast pump connected to the ballast tank to supply or discharge the ballast water.
- It may further include a support member for maintaining the wave power generator at a constant height relative to the water surface.
- the support member may include at least one wire installed on the sea bottom and connected to the lower structure.
- the support member may include a support fixed to the sea bottom and installed on the lower structure.
- FIG. 1 is a front view of a wave power generation apparatus according to an embodiment of the present invention.
- FIG. 2 is a side view of the wave power generator according to an embodiment of the present invention.
- Figure 3 is a simplified view showing the interior of the wave power generator according to an embodiment of the invention.
- Figure 4 is a graph showing the driven response response (RAO) according to the wave period of the superstructure according to an embodiment of the present invention.
- FIG. 5 is a graph showing a motion response to the actual sea state of the superstructure according to an embodiment of the present invention.
- Figure 6 is a perspective view schematically showing an upper structure of the wave power generator according to an embodiment of the present invention.
- FIG. 7 is a view briefly showing the interior of the wave power generator according to another embodiment of the present invention.
- Figure 8 is a simplified view of the interior of the wave power generation apparatus according to another embodiment of the present invention.
- FIG. 9 is a view briefly showing the interior of the wave power generating apparatus according to another embodiment of the present invention.
- wave power generator 10 upper structure
- FIG. 1 is a front view of a wave power generation apparatus according to an embodiment of the present invention
- Figure 2 is a side view of a wave power generation apparatus according to an embodiment of the present invention
- Figure 3 is a simplified view showing the interior of the wave power generator according to an embodiment of the invention.
- the wave power generator 1 includes an upper structure 10, a pivot shaft 11, a center of gravity moving unit 12, a rotation shaft 13, and a weight body 14.
- the lower structure 20, the power generation unit 22, may include a support 24.
- the wave power generator 1 has an upper structure 10 which is oscillated by waves, and the upper structure 10 is rotatably installed in the lower structure 20 provided below the waterline.
- the repair surface refers to the surface of the seawater
- the lower structure 20 may be installed in a state submerged in the seawater.
- both sides of the upper structure 10 is fixed by the lower structure 20 is limited to the rotation in the transverse direction, only the longitudinal movement may occur.
- the wave power generator 1 may be installed in a low water area, the lower structure 20 may be fixed to the bottom of the sea.
- the wave power generator 1 may float on water, and thus may further include a support member for maintaining the wave power generator 1 at a constant height.
- the wave power generator 1 may be moored at a constant height by supporting members of various methods.
- the support member when the upper structure 10 is located below the waterline, the support member may be installed on the lower portion of the lower structure 20 to moor the wave power generator 1 at a constant height.
- the support member may be made of a strut 24 fixed to the sea bottom.
- the strut 24 is fixed to the lower portion is inserted into the bottom surface, the upper portion is coupled to one side of the lower structure 20 to support the lower structure 20.
- the strut 24 may be formed of a fixed structure in the form of a metal pillar, a pipe, or a truss.
- the wave power generator 1 is described as being fixedly installed at a constant height by the support structure 24 installed on the sea bottom, but the present invention is not limited thereto. It can be installed in various forms depending on the depth or sea condition of the sea area to be installed.
- the support member may include at least one wire installed on the sea bottom and connected to the lower structure 20.
- the wire may be made of a single steel wire, it may be made of a tendon wire (tendon) of a plurality of steel wires twisted form.
- the wire can be used in various forms, such as chains or chains that are formed by successive couplings.
- the wave power generator 1 may have an upper structure 10 installed in the direction of the wave propagation in order to increase the fluctuation of the wave. That is, the upper structure 10 is provided in the direction in which the front part hits the wave, the driven fluctuation occurs in the front and rear direction by this wave.
- the side of the upper structure 10 is narrower at the top and increases in width toward the bottom. In addition, the side of the upper structure 10 narrows again as it passes through a portion of the pivot axis 11 whose width is supported by the lower structure 20. Side of the upper structure 10 is the overall shape is formed in the shape of ottogi or water droplets, accordingly, the upper structure 10 is easily driven in the front and back direction by the wave, it can be easily restored in place. .
- the upper structure 10 has a low center of gravity, the vertical movement is suppressed and has a large restoring force.
- the upper structure 10 may be positioned lower than the buoyancy center when the center of gravity is buoyant by seawater.
- the wave power generator 1 may include a power generation unit 22 for converting the kinetic energy of the rotational force generated by the driven force of the upper structure 10 into electrical energy.
- the power generation unit 22 may be installed on either of the upper structure 10 or the lower structure 20.
- the power generation unit 22 is installed at both sides of the lower structure 20, and generates power.
- the unit 22 may have respective driving shafts connected to ends of the pivot shaft 11 of the upper structure 10, respectively.
- the power generation unit 22 is installed in the lower structure 20, but the installed position or the number of the power generation unit 22 is not limited, and may be variously modified.
- the power generation unit 22 may be installed inside the upper structure 10.
- the power generation unit 22 may be made of one and installed on one side of the pivot shaft 11 of the upper structure 10 or two may be installed on both sides of the pivot shaft 11 of the upper structure 10.
- the power generation unit 22 may be applied with a variety of well-known techniques, and thus, detailed descriptions of the connection structure or the action thereof are omitted.
- the power generation unit 22 may be connected to the pivot shaft 11 of the upper structure 10 so that rotational motion may be directly transmitted, and the pivot shaft 11 and the power generation unit of the upper structure 10 may be transferred.
- a reduction / accelerator (not shown) may be further installed between the drive shafts of 22.
- the decelerator / accelerator may amplify the rotational motion of the upper structure 10 and transmit the amplification to the driving shaft of the power generation unit 22, thereby further increasing power generation efficiency.
- the wave power generator 1 of the present embodiment may include a center of gravity moving unit 12 for moving the center of gravity of the upper structure 10.
- the center of gravity moving unit 12 may move the center of gravity of the upper structure 10 to resonate with the period of the wave of the following period of the upper structure 10, which causes the upper structure 10 of the small size It can also be heavily driven by waves.
- the period in which the upper structure 10 is driven resonates with the period of the wave
- electricity may be stably produced. That is, when the magnitude of the waves is calm (when the period of the waves is short), if the center of gravity of the upper structure 10 is close to the center of buoyancy, large fluctuations of the upper structure 10 may be generated even with a small force of the waves. Can be.
- the magnitude of the wave is large (when the period of the wave is long)
- the center of gravity of the upper structure 10 is far from the center of buoyancy, the upper structure 10 can be stably shaken even under the large force of the wave. .
- the center of gravity moving part 12 may include a rotation shaft 13 installed up and down on the upper structure 10.
- the weight body 14 is coupled to one side of the rotary shaft 13 may be installed.
- the driving unit 15 is installed on the rotation shaft 13, and the rotation shaft 13 rotates by the operation of the driving unit 15, and the weight 14 can be moved up and down.
- the center of gravity moving unit 12 of the present embodiment may adjust the center of gravity of the upper structure 10 as the weight 14 is moved up and down.
- a spiral portion may be formed on the outer circumferential surface of the rotation shaft 13.
- the weight body 14 has a hole inserted into the rotation shaft 13 in the center portion, and the inner circumferential surface of the hole may be a spiral portion coupled to the spiral portion of the rotation shaft 13.
- the weight body 14 will move up and down along the spiral part of the rotating shaft 13.
- the upper structure 10 may be provided with a guide (not shown) for guiding the movement of the weight body 14 and preventing rotation of the weight body 14.
- the driving unit 15 may include a motor, and the driving shaft of the motor may be coupled to an end of the rotation shaft 13.
- the weight body 14 is installed to move up and down by the rotation of the driving unit 15, but is not limited and may be modified in various forms.
- the driving shaft of the motor which is the driving unit 15 in the present embodiment
- the driving shaft of the motor may be disposed in parallel with the rotary shaft 13 to indirectly transmit the driving force.
- a driven gear is installed at one side of the rotation shaft 13 and a main gear gear meshed with the driven gear can be installed at the end of the drive shaft to transmit the driving force.
- Figure 4 is a perspective view schematically showing the upper structure of the wave power generator according to an embodiment of the present invention.
- the specifications of the upper structure 10 for obtaining the driven yaw response characteristic of the wave power generator 1 according to an embodiment of the present invention are as follows.
- the upper structure 10 has a width L1 of the front surface where the wave travels, and a length L2 of the side surface located at the water surface, which is the height of the sea, is about 3.4 m. Draft L3, the length of which is submerged in, may be about 14.1 m.
- the upper structure 10 may have a drainage of about 2036.3 tons, and the height L4 of the center of gravity C may be located at an upper portion of 3.1 m from the bottom.
- the upper structure 10 may have a height L5 of the metacenter GM, which is the buoyancy center for determining the resilient force to be driven, about 3.33m above the bottom.
- the upper structure 10 may be driven within a radius of inertia of about 4m.
- FIG. 5 is a graph illustrating the response of the yaw response (RAO) according to the wave period of the upper structure 10 according to an embodiment of the present invention
- Figure 6 is a view of the upper structure 10 according to an embodiment of the present invention It is a graph showing the motion response to actual sea state.
- the upper structure 10 adjusts the center of gravity moving portion 12 to the longitudinal of the upper structure 10
- the fluctuating period can be resonated by the wave period of 5 to 8 at sea.
- the driven swing response characteristic is a value expressed according to the wave period of how many times the driven swing motion of the floating body occurs when a wave of any cycle having a displacement of 1 m comes.
- the driven motion response characteristic (RAO) of the wave period of the upper structure 10 can be shown as shown in FIG.
- the x axis (horizontal axis) in FIG. 5 represents the period of the wave
- the y axis (vertical axis) represents the response of the floating body to each periodic wave.
- the upper structure 10 may resonate with 6.5 seconds, which is a period of the sea wave, by adjusting the center of gravity moving unit 12, and thus the upper structure 10 may be closed at a period of about 6.5 degrees. Can shake.
- the upper structure 10 performs the fluctuation of about 6.5 degrees when a wave having a displacement of 1 m comes.
- the superstructure 10 performs excessive follow-up motion between about 10 degrees and about 20 degrees depending on the sea state, and when the resonance point of the upper structure 10 is positioned near the wave period, Excessive motion can be obtained beyond the motion response directly obtained from the wave energy.
- the center of gravity of the upper structure 10 can be moved up and down to match the driven cycle of the upper structure 10 with the wave period, thereby realizing the maximum motion according to each sea state.
- the shape of the upper structure 10 is described as being formed in the form of a pit or polka dot, but is not limited to this and various forms that can be resonated in the driven cycle and the wave period of the sea state of the upper structure 10 It can be formed as.
- the upper structure 10 may be formed in a variety of shapes, such as a triangular shape, gourd shape, etc., the volume becomes larger toward the bottom of the waterline.
- the upper structure 10 may be lengthened in the vertical direction of the front receiving the wave in order to receive a large wave force, the overall shape may be formed in a shape or an arc shape bent in the front and rear direction as viewed from the top.
- the vertical length of the upper structure 10 may be changed in design in consideration of structural strength or manufacturability.
- Figure 7 is a view briefly showing the interior of the wave power generator 1 according to another embodiment of the present invention, the center of gravity movement unit 112 is installed on the upper structure 10, the rotating shaft 113 ) May be included.
- the spiral portion may be formed on the outer circumferential surface of the rotation shaft 113.
- the weight body 114 may be installed at the end of the rotating shaft 113.
- the driving unit 116 may be connected to the rotation shaft 113.
- the driving unit may include a motor, and a rotary gear 115 may be installed on the driving shaft of the motor and meshed with the spiral portion of the rotating shaft 113.
- the center of gravity moving unit 112 rotates the rotary gear 115 as the driving unit 116 operates, and rotates the rotary shaft 113 meshed with the rotary gear 115.
- the rotation shaft 113 moves up and down inside the upper structure 10 by rotation.
- the weight body 114 installed at the end of the rotary shaft 113 is moved up and down by the up and down movement of the rotary shaft 113 can adjust the center of gravity of the upper structure (10).
- FIG. 8 is a view briefly showing the inside of the wave power generator 1 according to another embodiment of the present invention
- the center of gravity moving unit 212 is installed on the upper structure 10, up and down one side It may include a rod 213 formed in the gear portion.
- the weight 214 may be installed at the other side of the rod 213.
- the gear portion of the rod 213 may be provided with a rotary gear 215 meshing with the gear portion.
- the rotary gear 215 may receive a driving force by a motor (not shown), and may move the rod 213 to elevate the weight body 214 by the driving force, thereby causing the weight of the upper structure 10 to be increased. You can adjust the center.
- Figure 9 is a simplified view showing the interior of the wave power generator 1 according to another embodiment of the present invention.
- the center of gravity moving unit 312 of the present embodiment may include an actuator 313 inside the upper structure 10.
- the actuator 313 may be made of one or a plurality, and a weight body 314 may be installed at one side of the actuator 313.
- the weight body 314 is elevated by the operation of the actuator 313 and can adjust the center of gravity of the upper structure 10.
- the center of gravity moving unit may be modified in various forms in addition to the above-described embodiments, and of course, one or more of these embodiments may be applied in combination.
- the center of gravity moving unit may be provided with a ballast tank (ballast tank) in the interior of the upper structure, it is also possible to include a ballast pump (ballast water) for supplying or discharging ballast water (ballast water) connected to the ballast tank. .
- the configuration in which the center of gravity moving unit includes the ballast tank and the ballast pump may be additionally installed so as not to interfere with the center of gravity moving unit of the above-described embodiment.
- the driven fluctuation of the upper structure can be resonated with the period of the wave, thereby increasing the amount of rotation of the upper structure can increase the power generation efficiency.
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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
Description
구분 | 제원 | 비고 |
정면의 폭 | 20m | |
수선면의 길이 | 3.4m | |
흘수의 길이 | 14.1m | |
배수량 | 2036.3ton | |
무게중심의 높이 | 3.1m | |
메타센터의 높이 | 3.33m | |
관성반경 | 4m |
Claims (12)
- 파도에 의해 요동하는 상부 구조체와,수선면 하부에 설치되어 상기 상부 구조체를 회전가능하게 지지하는 하부 구조체와,상기 상부 구조체 또는 상기 하부 구조체 중 어느 한 쪽에 설치되며 상기 상부 구조체의 회전시 발생하는 운동 에너지를 전기 에너지로 변환하는 발전부와,상기 상부 구조체에 설치되며 상기 파도의 주기와 상기 상부 구조체가 요동하는 주기를 조절하기 위해 상기 상부 구조체의 무게 중심을 이동시키는 무게중심 이동부를 포함하는 파력발전장치.
- 청구항 1에 있어서,상기 발전부의 구동축은 상기 상부 구조체의 피봇(pivot)축에 연결되는 것을 특징으로 하는 파력발전장치.
- 청구항 2에 있어서,상부 구조체의 피봇축과 상기 발전부의 구동축 사이에 설치된 감/가속기를 더 포함하는 것을 특징으로 하는 파력발전장치.
- 청구항 1에 있어서,상기 상부 구조체의 무게중심은 상기 상부 구조체의 부력중심 보다 낮게 위치된 것을 특징으로 하는 파력발전장치.
- 청구항 1에 있어서,상기 상부 구조체의 측면은 상부에서 하부로 갈수록 폭이 증가되고, 상기 상부 구조체의 피봇축을 지나면서 다시 폭이 좁아지는 물방울형상으로 형성된 것을 특징으로 하는 파력발전장치.
- 청구항 1 내지 청구항 5 중 어느 한 항에 있어서, 상기 무게중심 이동부는상기 상부 구조체에 상, 하로 설치된 회전축과,상기 회전축의 일측에 설치된 중량체와,상기 회전축을 회전시켜 상기 중량체를 승강시키는 구동부를 포함하는 것을 특징으로 하는 파력발전장치.
- 청구항 1 내지 청구항 5 중 어느 한 항에 있어서, 상기 무게중심 이동부는상기 상부 구조체에 상, 하로 설치되며 일측에 기어부가 형성된 로드와,상기 로드의 타측에 설치된 중량체와,상기 로드의 기어부와 치합되어 상기 중량체가 승강되도록 상기 로드를 이동시키는 회전기어를 포함하는 것을 특징으로 하는 파력발전장치.
- 청구항 1 내지 청구항 5 중 어느 한 항에 있어서, 상기 무게중심 이동부는상기 상부 구조체의 내부에 설치된 액추에이터와,상기 액추에이터의 일측에 설치되어 상기 액추에이터에 의해 승강되는 중량체를 포함하는 것을 특징으로 하는 파력발전장치.
- 청구항 1 내지 청구항 5 중 어느 한 항에 있어서, 상기 무게중심 이동부는상기 상부 구조체의 내부에 설치된 밸러스트 탱크(ballast tank)와,상기 밸러스트 탱크와 연결되어 밸러스트 수(ballst water)를 공급 또는 배출하는 밸러스트 펌프(ballast pump)를 포함하는 것을 특징으로 하는 파력발전장치.
- 청구항 1 내지 청구항 5 중 어느 한 항에 있어서,상기 파력발전장치를 수선면에 대해 일정한 높이로 유지시키기 위한 지지부재를 더 포함하는 파력발전장치.
- 청구항 10에 있어서,상기 지지부재는 해저면에 설치되어 상기 하부 구조체에 연결되는 적어도 하나의 와이어를 포함하는 것을 특징으로 하는 파력발전장치.
- 청구항 11에 있어서,상기 지지부재는 해저면에 고정 설치되어 상기 하부 구조체에 설치되는 지주를 포함하는 것을 특징으로 하는 파력발전장치.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
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US13/807,213 US20130104538A1 (en) | 2010-07-21 | 2011-01-03 | Wave power generation apparatus |
EP11809772.4A EP2597299B1 (en) | 2010-07-21 | 2011-01-03 | Wave power generation apparatus |
DK11809772.4T DK2597299T3 (da) | 2010-07-21 | 2011-01-03 | Bølgestrømgenereringsapparat |
JP2013516488A JP5612764B2 (ja) | 2010-07-21 | 2011-01-03 | 波力発電装置 |
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KR20100070519 | 2010-07-21 | ||
KR10-2010-0070519 | 2010-07-21 |
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WO2012011645A1 true WO2012011645A1 (ko) | 2012-01-26 |
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PCT/KR2011/000009 WO2012011645A1 (ko) | 2010-07-21 | 2011-01-03 | 파력발전장치 |
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US (1) | US20130104538A1 (ko) |
EP (1) | EP2597299B1 (ko) |
JP (1) | JP5612764B2 (ko) |
KR (1) | KR101225142B1 (ko) |
DK (1) | DK2597299T3 (ko) |
WO (1) | WO2012011645A1 (ko) |
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US11299724B2 (en) | 2016-07-14 | 2022-04-12 | Limited Liability Company Biochemical Agent | Fusion protein, polynucleotide, genetic construct, producer, preparation for regeneration of cartilage |
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EP3129642A4 (en) | 2014-04-09 | 2017-12-27 | Brimes Energy Inc. | Wave energy conversion system |
KR101850714B1 (ko) * | 2016-03-23 | 2018-04-23 | 전자부품연구원 | 최대 출력 추종을 위한 능동 위상 제어 방법 및 이를 지원하는 파력 발전 시스템 |
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- 2011-01-03 JP JP2013516488A patent/JP5612764B2/ja active Active
- 2011-01-03 WO PCT/KR2011/000009 patent/WO2012011645A1/ko active Application Filing
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Also Published As
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KR20120010101A (ko) | 2012-02-02 |
DK2597299T3 (da) | 2020-05-04 |
JP5612764B2 (ja) | 2014-10-22 |
EP2597299B1 (en) | 2020-04-22 |
KR101225142B1 (ko) | 2013-01-22 |
EP2597299A4 (en) | 2017-08-02 |
JP2013533419A (ja) | 2013-08-22 |
US20130104538A1 (en) | 2013-05-02 |
EP2597299A1 (en) | 2013-05-29 |
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