WO2019050289A1 - Système de génération d'énergie de type flottant - Google Patents

Système de génération d'énergie de type flottant Download PDF

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Publication number
WO2019050289A1
WO2019050289A1 PCT/KR2018/010405 KR2018010405W WO2019050289A1 WO 2019050289 A1 WO2019050289 A1 WO 2019050289A1 KR 2018010405 W KR2018010405 W KR 2018010405W WO 2019050289 A1 WO2019050289 A1 WO 2019050289A1
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WO
WIPO (PCT)
Prior art keywords
main body
wind
buoyancy
power generation
anchor
Prior art date
Application number
PCT/KR2018/010405
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English (en)
Korean (ko)
Inventor
이영근
Original Assignee
이영근
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Filing date
Publication date
Application filed by 이영근 filed Critical 이영근
Publication of WO2019050289A1 publication Critical patent/WO2019050289A1/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
    • 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
    • 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
    • F03D—WIND MOTORS
    • F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
    • F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
    • F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
    • 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
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
    • 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
    • F03D—WIND MOTORS
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/10—Combinations of wind motors with apparatus storing energy
    • F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/30—Energy from the sea, e.g. using wave energy or salinity gradient
    • 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
    • Y02E10/70—Wind energy
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/727—Offshore wind turbines
    • 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
    • Y02E10/70—Wind energy
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Definitions

  • the present invention relates to a floating power generation system, and more particularly, to a floating power generation system in which overall manufacturing cost is reduced, product life is increased, and maintenance is convenient.
  • renewable energy sources include solar power, wind power, tidal power, and wave power, and active development of various power generation facilities utilizing them is being carried out.
  • the continuous wind power generator includes a buoyancy line floating on the water surface, And a wind turbine generator.
  • the conventional wind turbine generator needs to additionally provide a separate structure for installing the wind turbine generator on the secondary wind turbine, the overall manufacturing cost is increased and the wave generator is installed in the secondary turbine due to the structural limitations of the secondary turbine. There is also a problem that becomes very difficult.
  • the present invention has been made to solve the above problems, and it is an object of the present invention to solve the above problems, and it is an object of the present invention to provide an apparatus and a method for manufacturing the same, which can attain a stable posture while receiving less stress even when there are severe winds and waves,
  • the present invention provides a floating power generation system with improved structure for convenience.
  • a main body disposed above the water surface with a predetermined distance from the water surface;
  • An apparatus for generating buoyancy comprising: a plurality of buoyancy tanks spaced a predetermined distance below the body;
  • a plurality of support pillars extending along the longitudinal direction, the upper ends of which are coupled to the main body and the lower end of which is coupled to each of the buoyancy tanks;
  • a power generator coupled to the main body and capable of generating power using wind or wave;
  • a regulating device for maintaining the horizontal state of the main body comprising: a leveling device including a connecting line and a position shifting device,
  • connection string is coupled to the main body and the other end is connected to the bottom of the water
  • the position moving device moves the one end of the connecting line in a vertical direction along a predetermined path, thereby providing a floating power generation system arranged at the front end of the main body.
  • At least three buoyancy tanks and the support pillars may be provided, and the highest water level may be located between the lowest point and the highest point of the support pillars.
  • the support column may include a buoyancy column capable of generating buoyancy.
  • the buoyancy tank may be such that the ballast water can be accommodated therein so as to control the size of buoyancy.
  • the buoyancy tank may have a cylindrical shape having a predetermined first diameter
  • the support column may have a cylindrical shape having a second diameter smaller than the first diameter
  • the body includes: a transverse portion extending along a first direction; Quot; T " -shaped structure including a longitudinal portion extending along a first direction and a longitudinal portion extending along a second direction intersecting the first direction.
  • the anchor main body can be seated on the underwater floor; A plurality of protrusions formed to protrude downward from a rim of the anchor main body and to be spaced from each other along a rim of the anchor main body, And an anchor having a plurality of groove portions provided between a pair of adjacent projecting portions.
  • the anchor main body may be formed in a disk shape, and three or more protrusions may be provided, so that the anchors are formed in a star shape.
  • the position shifting device is provided with a pair of teeth and is coupled to a front end portion of the main body in a state of being spaced apart from each other, and moves the position of one end of the connecting line along the arc path of the position shifting device by the hydraulic device .
  • a power generation system capable of producing electricity in a floating state on a water surface
  • the power generation system comprising: a main body disposed above the water surface with a predetermined distance from the water surface;
  • An apparatus for generating buoyancy comprising: a plurality of buoyancy tanks spaced a predetermined distance below the body; A plurality of support pillars extending along the longitudinal direction, the upper ends of which are coupled to the main body and the lower end of which is coupled to each of the buoyancy tanks;
  • the buoyancy tank can be generated by using a buoyancy tank having a simple structure different from that of the conventional wired system, so that it is possible to generate a buoyant force, Even when there is wind and wave, it is not only able to take a stable posture while receiving less stress, but also has the effect of reducing the overall manufacturing cost, increasing the product life, and convenient maintenance.
  • FIG. 1A is a side view of a floating power generation system, which is an embodiment of the present invention.
  • FIG. 1A is a side view of a floating power generation system, which is an embodiment of the present invention.
  • FIG. 1B is a front view of the floating power generation system shown in FIG. 1A; FIG.
  • FIG. 2 is a plan view of the floating power generation system shown in FIG.
  • FIG. 3 is a view showing the buoyancy tank and support column shown in Fig.
  • FIG. 4 is a plan view of the anchor shown in Fig.
  • Fig. 5 is a view showing a state in which one side of the anchor shown in Fig.
  • FIG. 6 is a view of the leveling device shown in Fig.
  • FIG. 7 is a schematic view showing only one wing portion in a wind power generating rotary unit according to the present invention.
  • FIG. 8 is a plan view showing an embodiment of a stopper moving in a direction crossing a lateral frame
  • FIG. 9 is a side view showing an embodiment of a stopper moving in a direction crossing the lateral frame
  • FIG. 10 is a plan view showing an embodiment of a stopper hinged and rotated in a lateral frame
  • FIG. 11 is a side view showing an embodiment of a stopper hinged and rotated in a lateral frame
  • FIG. 12 is a view showing an operating state when six wings are arranged in the wind power generating rotary unit according to the present invention shown in FIG. 7.
  • FIG. 12 is a view showing an operating state when six wings are arranged in the wind power generating rotary unit according to the present invention shown in FIG. 7.
  • FIG. 13 is a view showing a state in which all vanes are shut down by opening the stopper of the rotating unit for wind power generation according to the present invention shown in Fig.
  • FIG. 14 is a view showing an embodiment in which a plurality of vanes are provided in one wing portion, according to another embodiment of the present invention.
  • FIG. 15 is a view showing an embodiment of a wind power generator in which the efficiency of a wind power generating rotary unit according to the present invention is improved by using a wind direction guide.
  • FIG. 16 is a view showing an embodiment of a wind power generator in which a plurality of pairs of wind turbine rotating units are arranged behind a wind direction guide in a manner similar to the " V "
  • FIG. 17 is a view showing a wave generator according to the present invention.
  • anchor 41 anchor main body
  • Wave power generator 71 Floating fluid
  • Rotating unit for wind power generation 110 Drive shaft
  • FIG. 1A is a side view of a floating power generation system according to an embodiment of the present invention
  • FIG. 1B is a front view of the floating power generation system shown in FIG. 1A
  • 2 is a plan view of the floating power generation system shown in FIG.
  • a floating power generation system 1000 is a power generation system capable of producing electricity floating on a sea surface or a fresh water surface.
  • the power generation system includes a main body 10, A buoyancy tank 20, a support column 30, an anchor 40, a leveling device 50, a wind power generator 60 and a wave power generator 70.
  • the floating power generation system 1000 is used at sea level.
  • the main body 10 is a truss structure manufactured by using an iron plate or a steel frame and has a transverse portion 11 and a vertical portion 12.
  • the transverse portion 11 is a portion extending linearly along the first direction C1 as shown in Fig.
  • the vertical portion 12 is a portion extending linearly along a second direction C2 perpendicular to the first direction C1.
  • the body 10 includes a "T" shaped structure formed by the transverse portion 11 and the vertical portion 12.
  • the main body 10 has a length of 300 to 400 m along the first direction C1 and a length of 300 to 500 m along the second direction C2.
  • the main body 10 can increase the length of the main body 10 along the first direction C1 to increase the number of the power generators 60, 70 mounted.
  • the main body 10 is disposed horizontally in parallel with the sea level SL above the sea level SL so that the bottom surface of the main body 10 does not contact the sea level SL. 15 meters apart.
  • the main body 10 is provided so as to be rotatable about the anchor 40 and is arranged to be parallel to the wind direction W by the air resistive force generated when the main body 10 winds .
  • the buoyancy tank 20 is a watertight cylindrical container made of steel plate or the like and capable of generating buoyancy.
  • the buoyancy tank 20 has a cylindrical shape having a predetermined first diameter D1 and a first height H1 as shown in Fig.
  • the buoyancy tank 20 is provided with three or more buoyancy tanks 20 spaced apart from the main body 10 by predetermined intervals.
  • the buoyancy tank 20 is formed so as to accommodate the ballast water therein so as to adjust the size of the buoyancy force.
  • the buoyancy tank 20 is completely immersed in water as shown in FIG. 1A by adjusting the amount of the ballast water.
  • the buoyancy force generated by the buoyancy tank 20 maintains a substantially constant value regardless of the change in the water level of the seawater.
  • the supporting column 30 is a cylindrical member extending in the third direction C3 and is provided with three or more upper ends connected to the lower surface of the main body 10 and a lower end connected to the buoyancy tank 20, respectively.
  • the support pillars 30 are provided as buoyancy pillars capable of generating buoyancy, and are manufactured to be watertight using an iron plate, a pipe, or the like.
  • the support column 30 has a cylindrical shape having a second diameter D2 smaller than the first diameter D1 of the buoyancy tank 20. [
  • the second diameter D2 has as small a value as possible within a structure dynamically acceptable range.
  • the support column 30 is provided such that the highest sea level SL and the lowest sea level SL are positioned between the lowest point and the highest point of the support column 30 so that the buoyancy tank 20 is completely immersed in water ,
  • the main body 10 is not in contact with seawater in a state where a predetermined level of intensity and a predetermined wind intensity are present.
  • the anchor 40 is a weight for fixing the main body 10 in such a manner that the main body 10 does not move away from a predetermined position and is capable of withstanding the force generated when the main body 10 moves due to wind and waves .
  • the anchor 40 is manufactured using reinforcing bars, concrete, or the like, and has an anchor main body 41, a projection 42, and a groove 43.
  • the anchor main body portion 41 has a shape that can be seated on the underwater floor G as a portion formed in a disk shape.
  • the protruding portion 42 is a portion protruding downward from the rim of the anchor main body 41 so as to be able to dig into the underwater floor G.
  • the projecting portion 42 protrudes from the anchor main body 41 at an inclined angle? 1 as shown in Fig.
  • the angle? 1 is preferably 30 to 60 degrees.
  • a plurality of the protrusions 42 are provided and are spaced from each other along the rim of the anchor main body 41.
  • the groove portion 43 is provided with a plurality of V-shaped grooves provided between a pair of the projecting portions 42 adjacent to each other.
  • protrusions 42 and grooves 43 are provided, and eight protrusions 42 and grooves 43 are provided in this embodiment.
  • the anchor 40 is formed in a star shape or a starfish shape by the projecting portion 42 and the groove portion 43.
  • the horizontal adjustment device 50 is a regulating device for maintaining the horizontal state of the main body 10 and includes a connecting line 51 and a position shifting device 52.
  • One end of the connecting rod 51 is coupled to the front end of the main body 10 and the other end of the connecting rod 51 is connected to the anchor 40 of the underwater floor G.
  • the connecting line 51 may be manufactured using various materials such as a chain, a chain, and a rope.
  • the connecting line 51 is formed in a Y shape in consideration of the number of the position moving devices 52.
  • the position moving device 52 is a position moving device that can move and fix one end of the connecting line 51 in a vertical direction along a predetermined path.
  • the position shifting device 52 is coupled to the front end of the main body 10 in a state where the pair of the position shifting devices 52 are separated from each other and includes an actuator such as a hydraulic device.
  • the position moving device 52 can reciprocate one end of the connecting line 51 along an arc path that is bent forward as shown in FIG.
  • the wind turbine generator 60 is a power generator capable of generating electric power using wind power and is provided on the upper surface of the transverse section 11 so as to be spaced apart from each other.
  • the wind power generator 60 includes a base, a wind direction guide 320, and a wind power generator rotation unit 100, as shown in FIG.
  • a lateral frame is provided in a horizontal direction substantially perpendicular to the rotation axis, and a wind vane connected to the lateral frame by a pivot, .
  • the windshield is formed such that its inner side is longer than the outer side with respect to the pivotal axis, and it can not rotate beyond the stopper provided in the lateral frame by rotating about the lateral frame.
  • a device for restricting the wind receiver from rotating beyond a certain angle to the outside can be provided at the end of the lateral frame.
  • the wind-winder At the position of the windscreen where the stopper is located on the opposite side of the direction in which the wind-receiving wind is blowing, the wind-winder closely contacts the lateral frame and rotates the rotation shaft. In the position of the wind-receiver where the stopper is placed in front with respect to the direction in which the wind is blowing, the wind-receiving portion rotates with respect to the lateral frame about the rotation axis of the lateral frame, As such a simple device, the wind receiver rotates while receiving the minimum resistance to the wind force in the opposite direction, and the wind force in the forward direction can be maximally revolved. It is also possible to separate and install two or more winders on one lateral frame to operate individually or to operate together.
  • FIG. 7 is a view showing a schematic configuration of a rotation unit 100 for wind power generation according to the present invention.
  • wing portions In the rotating unit 100 of the present invention, it is preferable that a plurality of wing portions are provided, but in FIG. 7, one wing portion is shown to show the configuration of the wing portion in detail.
  • the rotating unit 100 for a wind turbine includes a driving shaft 110 extending in the vertical direction and a driving shaft 110 extending laterally to the driving shaft 110, And a plurality of rotating blades arranged at equal angles to each other.
  • the driving shaft 110 is connected to a rotating shaft of a generator (not shown) connected to the driving shaft 110 by an external force.
  • the rotary vane comprises a pair of lateral frames (120) extending in a direction crossing the drive shaft (110); A vane 140 rotatably supported between the pair of the lateral frames 120 by a pivot 130 extending parallel to the driving shaft 110; And a stopper 150 for restricting the free rotation of the vane 140 relative to the lateral frame 120.
  • the vane 140 may be in the form of a flat plate securing an area receiving wind, but it is more preferable that the cross section cut in the horizontal direction is streamlined as shown in FIG. This is more preferable in that the wind power generating rotary unit described below with reference to FIG. 13 is not rotated and the resistance of the wind is reduced so that the wind power generating rotary unit can be protected when a strong wind such as a typhoon blows. Further, the vane 140 may be connected to the pivot shaft 130 at a wide portion in the longitudinal direction thereof in a horizontal cross-section, thereby improving structural stability.
  • the portion of the vane 140 where the pivot shaft 130 is connected is preferably a point dividing the length of the vane 140 in the horizontal direction by 1.5 to 1 to 2.5 to 1.
  • This ratio is the ratio of the length of the long part to the short part based on the point where the pivot 130 is connected, and the smallest ratio is one to one.
  • the ratio is smaller than 1.5 to 1, for example, close to 1: 1, the vane 140 may not rotate in a state parallel to the wind direction in the state shown in FIG.
  • the ratio is larger than 2.5 to 1, there is a disadvantage in that the distance from the rotating shaft 130 to the stopper 150 becomes long, and the shock when the stopper 150 and the vane 140 are in contact with each other during normal operation becomes large .
  • the stopper 150 is required to limit the rotation of the vane 140, but it is preferable that the stopper 150 can be opened and closed to allow the vane 140 to rotate freely in order to enable the state shown in FIG.
  • a buffer member such as a sponge or rubber may be attached to the surface of the stopper 150 in order to buffer the impact when the vane 140 hits the stopper 150.
  • Figures 8 and 9 show a view of an embodiment of a stopper moving in a direction transverse to the lateral frame and Figures 10 and 11 show an embodiment of a stopper in the form of a hinge fixed to the lateral frame Respectively.
  • the stopper 150 is disposed so as to be movable in a direction intersecting with the lateral frame 120 (a direction perpendicular to FIGS. 8 and 9) .
  • the stopper 150 is movable between a position that limits the relative rotation of the vane 140 relative to the lateral frame 120 and a position that allows rotation.
  • the stopper 150 includes a stopper body extending in a direction intersecting the longitudinal direction of the lateral frame 120 and a stopper body extending in the longitudinal direction of the body of the stopper 150 with respect to the lateral frame 120 And a driving unit for driving the driving unit to move.
  • the stopper guide 155 may extend in a direction intersecting the lateral frame 120 and be fixed to the lateral frame 120.
  • the stopper guide 155 movably receives the stopper body. Accordingly, the stopper body is disposed along the stopper guide 155 so as to be movable relative to the lateral frame 120 and the stopper guide 155 in the vertical direction of FIG.
  • the driving unit includes a motor 156, a driving gear 157 connected to the shaft of the motor 156, and a gear rack 151 coupled to the driving gear 157 and fixed to the stopper body. At this time, if the rotation of the motor 156 is adjusted, the stopper body can be moved along the stopper guide in the longitudinal direction thereof, and the position thereof can be adjusted.
  • the stopper body 250 is rotatably fixed to the lateral frame 120 by a hinge, and the stopper body 250 is fixed to the stopper body 250
  • the stopper body 250 is rotated by the motor 256 and the drive gear 257 via the driven gear 251 formed on the stopper body so that the stopper body 250 can rotate in a direction
  • the posture can be changed between the posture in which the vane 140 is freely rotatable.
  • the center of rotation of the gear 251 formed on the stopper body 250 coincides with the center of rotation of the stopper body 250.
  • FIG. 12 is a view showing the operating state of the rotating unit 100 for wind power generation according to the present invention
  • FIG. 13 is a view showing the operation stopping state of the rotating unit 100 for wind power generation according to the present invention.
  • the rotating unit 100 for wind power generation according to the present invention has six wings in total.
  • the number of wing portions is not limited to this, but six wing portions are preferable for balanced rotation, and six wing portions are shown to show the operation state of each vane at each position.
  • the vanes 140 of the first, second and third vanes located on the right side when looking at the direction in which the wind is blown when the wind is blown are held by the stopper 150 in the lateral frame 120, and is rotated in the clockwise direction by the wind. When the wind is blowing, the direction of the wind is seen.
  • the vanes 140 of the remaining four, five, and six wings located on the left side are not restricted by the stopper 150 when the wind is blown, .
  • the vane 140 closely attached to the stopper 150 does not rotate instantaneously in the wind direction but rotates with a certain time difference.
  • the vane 140 of the wings 4, 5 and 6 maintains the posture parallel to the wind direction and the lateral frame 120 rotates, the force for preventing the clockwise rotation about the vertical axis is largely reduced The rotation efficiency by the wind force can be greatly improved.
  • the stoppers 150 of the wing portion are opened so that the vanes 140 are all maintained in a posture parallel to the wind direction, thereby preventing the rotational force from being generated on the drive shaft 110.
  • FIG. 14 is a view showing another embodiment of the rotation unit 100 for wind power generation according to the present invention.
  • FIG. 14 is an embodiment in which the structural weakness that may occur when the wing portion is large in the rotary unit 100 for wind power generation according to the present invention is compensated, and the number of movable vanes can be adjusted according to the wind force.
  • the wind turbine rotary unit 100 includes a drive shaft 110 and a plurality of blades disposed around the drive shaft 110.
  • the number of the wing portions is not limited to two, and each wing portion is symmetrically disposed with respect to the driving shaft 110 for easy understanding of the configuration. That is, the angle formed by the lateral frames of the adjacent wings with respect to the center of rotation of the drive shaft is equal to each other, and when six wings are shown as shown in the figure, the angle is 60 degrees.
  • Each wing has three or more parallel lateral frames 120, and one or more vanes 140 are installed between each lateral frame 120.
  • the vanes 140 are rotatably disposed on the lateral frames 120 by a pivot shaft 130, respectively.
  • a plurality of vanes 140 may be disposed in the longitudinal direction of the lateral frame 120 as shown in the drawing.
  • An auxiliary frame connecting the upper and lower lateral frames 120 may be installed between the vanes 140 arranged in the longitudinal direction of the lateral frame 120.
  • Auxiliary frames may be disposed between all the vanes 140 and optionally disposed between each of the vanes.
  • Each vane 140 can be freely or restricted in its rotation by a stopper 150 disposed in the lateral frame 120. It is also possible to control the rotational force applied to the drive shaft 110 by selectively controlling the stopper 150 to be partially open and partly maintaining the vane 140 in a side-by-side orientation with respect to the lateral frame 120.
  • Fig. 15 is a view showing an external configuration of the wind power generator 60 according to the present invention.
  • the embodiment shown in Fig. 15 is an embodiment of a wind power generator in which the efficiency of the rotary unit for wind power generation is improved.
  • the wind power generator 60 includes a base, a wind direction guide 320, and a rotating unit for wind power generation.
  • the base is kept constant in the direction in which the wind is blown even when the direction of the wind changes, and can be configured differently in case of being installed on the land or in the sea.
  • there may be a lower fixing portion and the movable base 330 may be arranged above the fixing portion so as to be rotatable with respect to the fixing portion.
  • the wind power generator 60 is installed on the sea, and the movable base 330 is mounted on the upper surface of the main body 10 suspended on the water surface, or the upper surface of the main body 10 It may be interpreted as the movable base 330.
  • the main body 10 is fixed so as not to be floated even when the wind is blown by the connecting line 51 hanged down below the water surface.
  • the anchor 40 The main body 10 is rotated and moved to a position where the main body 10 is always parallel to the direction W in which the wind is blown.
  • the main body 10 which is a floating structure, is positioned at a point where the anchor 40 is fixed so that the pointed end of the wind direction guide 320 mounted on the main body 10 winds first, A virtual line connecting the upper end of the connecting line 51 is moved so as to be parallel to the wind direction W.
  • the wind direction guide 320 is disposed on the movable base 330 and has a V-shaped portion in plan view as seen from above, and the pointed portion at the lower end of the V- And guides the wind blowing on the basis of the pointed ends to both sides, and prevents the wind from blowing directly to the rear of the center portion.
  • the meaning of having a V-shape is used to mean that a V-shape can be seen if only two sides are taken as in a triangle, for example.
  • the expression "direct” means that the wind is indirectly introduced into the inside, as in the case where the wind is blown into the wing portion located on the inside due to formation of vortex.
  • the wind direction guide 320 may be made of a rigid body or the like, but it may be formed in the shape of a sail. For example, it is possible to attach a canvas to a V-shaped frame and to fold the canvas in case of a strong wind such as a typhoon to prevent damage to the entire system.
  • the wind turbine rotary unit 100 may include a drive shaft 110 extending in the vertical direction and a plurality of blade portions extending in the lateral direction with respect to the drive shaft 110 and may have the same configuration as described above .
  • three pairs of the wind turbine rotation units 100 are arranged in a manner similar to the " V " flying configuration of the geese in the rear of the wind direction guides 320, Three of the three pairs of wind power generating rotary units 100 can be driven respectively.
  • the wind power generating rotary unit 100 directly blows only the vanes located on one side of the respective drive shafts 110, so that the wing portion located on the other side of the drive shaft 110 directly blows wind Thereby maximizing the utilization efficiency of wind for wind power generation.
  • the wave generating device 70 is a power generating device capable of generating electric power using the wave power of sea water.
  • the wave generating device 70 includes a float 71, driving arms 72 and 73, 75, and 76, a main body 74, and a wave power generation unit (not shown).
  • the float 71 is fixed to the body 74 and provides buoyancy so that the entire device including the body 74 does not sink completely below the sea level. For example, fixed to the upper portion of the main body 74, fixed through the main body 74, or fixed to the lower portion of the main body 74.
  • the driving arms 72 and 73 extend in the lateral direction from the wave power generating unit (not shown) and are provided so as to be immersed in the water surface at the ends thereof.
  • the driving arms 72 and 73 are provided so as to be reciprocally rotatable around the wave generating unit (not shown) as their ends move up and down.
  • the supporting plates 75 and 76 are provided at the end portions of the driving arms 261 and 281 which are submerged in the water surface.
  • the supporting plates 75 and 76 are made of a plate-shaped member having a larger lateral area than the driving arms 72 and 73.
  • resistance is greatly generated when vertical movement is generated with respect to the water surface.
  • the supporting plates 75 and 76 having a large area are disposed at the ends of the driving arms 72 and 73, the angles of the driving arms 72 and 73 with respect to the main body 74 are changed by the waves, 72, 73 provide a force to rotate the internal drive gear (not shown) with great force.
  • the body 74 when the wave is applied, the body 74 is forced to change its attitude according to the wave of the waves, and the body 74 of the drive arm and the supporting plates 75, 76
  • the posture is bound to change.
  • the large energy of the waves acts on the large area of the main body 74 while forcibly changing the attitude of the main body 74 and the relative positions of the driving arms 72 and 73 connected to the main body 74 with respect to the main body 74
  • the driving arms 72 and 73 are driven strongly by the force of the waves and the large resistance. It is the supporting plates 75 and 76 that this resistance force can be utilized.
  • the main body 74 is made of a plate-shaped member having a circular planar shape.
  • the main body is made of a circular plate-shaped member in order to provide a wave power generator which uses the oscillation as a maximum power by making the main body oscillate as much as possible based on the following principle.
  • the floating body adjacent to the water surface is flat, and the greater the surface area, and the greater the distance from the center of the body (the radius of the disk in the case of the disk), the greater the resistance against the force to control the movement of the body. Based on these two principles, the shape of the body is defined.
  • the shape of the disk of the main body 74 is easily changed when the waves are pushed and the curvature of the water surface changes when the disk 74 is locked in the vicinity of the sea level.
  • it is a structure in which a large resistance force acts in order to move up and down in a state of being locked to the water surface.
  • the main body is light in weight, and at the same time, it is required to have a strength not breaking easily when a large force of a wave acts. Therefore, it is preferable to be made of a light and durable material such as a carbon fiber material.
  • the main body need not always be circular but various regular polygons can be applied in addition to the circular shape, and a regular polygonal shape in which the vertex portions are rounded can be applied.
  • the circular shape has a circular planar shape because it is easy to balance the whole apparatus, and the direction of the wave always changes, so that it can cope with a wave in any direction.
  • the power generating unit includes a generator that generates electric power by rotation of a rotating shaft (not shown) that is rotated by up-down movement of the driving arms 72 and 73, Is installed in the float (71).
  • the wave power generation unit (not shown) may be installed in any manner as long as it is integrally coupled with the main body 74 and the float 71 and is movable. However, it is most preferable that the wave power generating unit (not shown) is disposed in the float 71 for the purpose of designing a waterproof structure or for stable floating near the sea surface of the apparatus. That is, the structure in which the float 71 surrounds the wave generating unit (not shown), which is a heavy product, is most preferable because it provides buoyancy to the entire apparatus and prevents the weight of the entire apparatus from being deviated to one side.
  • a plurality of the wave power generators 70 are provided and are coupled to the lower surface of the transverse portion 11 by a connecting line R to prevent oil leakage.
  • the main body 10 rotates about the anchor 40 and is aligned with the wind W direction.
  • the front end of the main body 10 on which the leveling device 50 is mounted faces a direction W in which the wind is blown.
  • the main body 10 performs a pitching motion in which the front end portion of the main body 10 is heard around the first direction C1 as the center of rotation by the wind according to the magnitude of the wind speed, Something that can not be done can happen. That is, when the wind speed is 40 m / s, the front end portion of the main body 10 can be heard more than when the wind speed is 10 m / s.
  • the balance water of the buoyancy tank 20 may be adjusted to maintain the horizontal position of the main body 10, and the upper end of the connecting line 51 may be moved to the position moving device
  • the position of the force application point of the connection string 51 with respect to the main body 10 may be changed by moving the main body 10 to the upper end of the main body 52 to keep the main body 10 horizontal.
  • the force application point of the connecting rod 51 is moved upward, the front end of the main body 10 is pulled downward under the condition that the connecting rod 51 is tight. Since the average wind speed is usually constant over a few hours in a normal sea, it is sufficient that the leveling device 50 is operated once every several hours or once a day.
  • the wind power generator 60 When the wind is blown in the state where the main body 10 is maintained in the horizontal state, the wind power generator 60 is operated by the wind and the wave generator 70 is operated by the waves generated by the wind A large amount of power can be generated.
  • the floating power generation system 1000 having the above-described configuration is a power generation system capable of producing electricity in a floating state on the water surface.
  • the power generation system includes a main body 10 (see FIG. 1) disposed above the water surface, ); An apparatus for generating buoyancy, comprising: a plurality of buoyancy tanks (20) spaced a predetermined distance below the body (10); A plurality of support pillars (30) extending along the longitudinal direction, the upper ends of which are coupled to the body (10) and the lower end of which is coupled to each of the buoyancy tanks (20); And a power generator 60, 70 coupled to the main body 10 and capable of generating electric power using wind or wave power. Therefore, the buoyancy tank 20 having a simple structure different from that of the conventional sub- So that it is possible to generate necessary buoyancy, thereby reducing the overall manufacturing cost, increasing the life span of the product, and facilitating maintenance.
  • the floating power generation system 1000 can minimize the contact between the seawater and the main body 10 so that the power generation devices 60 and 70 disposed on the upper surface of the main body 10, And minimizes the risk of flooding and corrosion of various equipments such as water tank.
  • the floating power generation system 1000 at least three buoyancy tanks 20 and the support pillars 30 are provided, and the highest water surface and the lowest water surface are located between the lowest point and the highest point of the support pillars 30,
  • the buoyancy tank 20 is completely submerged in the water and the waves do not contact the main body 10 but come into contact with only the support pillars 30 so that the buoyancy force generated by the buoyancy tank 20 And the external load applied to the main body 10 by the wind or the waves can be minimized. Therefore, it is possible to minimize the fluctuation such as pitching and rolling of the main body 10, so that the main body 10 can be horizontally held easily and there is no risk of overturning due to a typhoon or the like, There is little risk of destruction.
  • the floating power generation system 1000 includes a buoyancy column in which the support column 30 can generate buoyancy so that the sea level SL is adjusted between the lowest point and the highest point of the support column 30 And it is possible to provide additional buoyancy to the main body 10.
  • buoyancy tank 20 can accommodate the ballast water in the floating power generation system 1000 so that the buoyancy tank 20 can adjust the size of the buoyancy force, There is an advantage that buoyancy of each buoyancy tank 20 can be adjusted in consideration of load distribution of various devices such as the power generators 60 and 70 arranged.
  • the floating power generation system 1000 may have a cylindrical shape having a first diameter D1 predetermined by the buoyancy tank 20 and the support column 30 may have a smaller value than the first diameter D1
  • the buoyancy tank 20 can secure a sufficient buoyancy and at the same time minimize the external load applied to the support column 30 by the wind or wave, There are advantages. Since the buoyancy tank 20 and the support column 30 are both cylindrical, the resistance of the buoyancy tank 20 and the support column 30 can be minimized even if the wind or current flows in any direction.
  • the floating power generation system (1000) is characterized in that the main body (10) comprises: a transverse portion (11) extending along a first direction (C1); Quot; T " -shaped structure including a vertical portion 12 extending along a second direction C2 intersecting with the first direction C1, so that the horizontal posture can be easily maintained with a simple structure
  • a plurality of wind power generators (60) are disposed on the upper surface of the transverse section (11) which is in contact with the wind first and a plurality of wave power generators It is possible to dispose the device 70, which has an advantage that the overall power generation efficiency can be increased.
  • there is an advantage that a larger number of the power generators 60 and 70 can be easily mounted by extending the main body 10 in the front, rear, left, and right directions.
  • the floating power generation system 1000 includes an anchor main body 41 that can be seated on the underwater floor G; Are formed so as to protrude downward from the rim of the anchor main body part 41 so as to be able to dig into the underwater floor surface G and to be spaced apart from each other along the rim of the anchor main body part 41 A plurality of protrusions (42); Since the anchor 40 having the plurality of grooves 43 provided between the pair of adjacent projecting portions 42 includes the projecting portion 42 as shown in FIG. So that the position of the anchor 40 can be fixed without changing even when one end of the anchor 40 is heard as shown in FIG. The soil or sand on the underwater floor G can be escaped through the groove 43 to the upper side so that the protruding portion 42 can penetrate deeply into the underwater floor G .
  • the anchor main body 41 is formed in a disk shape and three or more protrusions 42 are provided, so that the anchor 40 is formed in a star shape, It is possible to fix the position of the anchor 40 without changing even if it is pulled in the forward, backward, left, or right direction by the connecting line 51.
  • the float-type power generation system 1000 includes a connecting line 51 having one end coupled to the main body 10 and the other end coupled to the anchor 40 of the underwater floor G; And a position shifting device 52 that can position and fix one end of the connecting line 51 in a vertical direction along a predetermined path. It is possible to prevent the front end of the main body 10 from being heard by the wind and to maintain the horizontal state of the main body 10 simply by changing the position of the force application point of the connecting line 51.
  • the main body 10 includes a "T" -shaped structure formed by the transverse section 11 and the vertical section 12, or a "C" -shaped shape, a " &Quot; and the like.
  • a plurality of pairs of wind power generating rotary units 100 are arranged behind the one wind direction guide 320 in a similar manner to the "V" flying configuration of the geese, It is needless to say that a pair of the rotating units for wind power generation 100 may be arranged behind the wind direction guide 320 as shown in FIG.
  • the wind turbine generator 60 includes a "vertical" rotary unit 100 including a vertical drive shaft 110, but a horizontally extending drive shaft and propeller blade But may also include a " horizontal "
  • the floating power generation system having the above-described configuration can generate buoyancy required by using a buoyancy tank having a simple structure unlike the conventional float method.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
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Abstract

La présente invention concerne un système de génération d'énergie de type flottant comprenant : un corps principal disposé au-dessus de la surface de l'eau dans un état dans lequel le corps principal est espacé de la surface de l'eau à une distance prédéfinie; une pluralité de réservoirs flottants aptes à générer une flottabilité et agencés de façon à être espacés les uns des autres au niveau de la partie inférieure du corps principal; une pluralité de colonnes de support, qui s'étendent le long de la direction longitudinale, dont les parties d'extrémité supérieure sont couplées au corps principal et dont les parties d'extrémité inférieure sont respectivement couplées aux réservoirs flottants; et une unité de génération d'énergie couplée au corps principal et apte à produire de l'énergie électrique à l'aide de l'énergie éolienne ou de l'énergie marémotrice.
PCT/KR2018/010405 2017-09-06 2018-09-06 Système de génération d'énergie de type flottant WO2019050289A1 (fr)

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KR102165167B1 (ko) * 2019-07-12 2020-10-13 이영근 부유식 풍력발전 시스템
KR102165172B1 (ko) * 2019-07-12 2020-10-13 이영근 해상 인공 부유물의 연결 부유 구조체
KR102093240B1 (ko) * 2019-08-19 2020-03-25 박승균 다중 칼럼으로 구성된 자기 선회식 해상풍력 부선
KR20210157231A (ko) 2020-06-19 2021-12-28 삼성중공업 주식회사 포터블 앵커링 장치

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KR20130071831A (ko) * 2011-12-21 2013-07-01 주식회사 글로우 태양광 발전을 위한 수면 부상 플랫폼
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