WO2020168738A1 - 一种振荡水翼潮流能发电装置 - Google Patents
一种振荡水翼潮流能发电装置 Download PDFInfo
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- WO2020168738A1 WO2020168738A1 PCT/CN2019/113874 CN2019113874W WO2020168738A1 WO 2020168738 A1 WO2020168738 A1 WO 2020168738A1 CN 2019113874 W CN2019113874 W CN 2019113874W WO 2020168738 A1 WO2020168738 A1 WO 2020168738A1
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- Prior art keywords
- rocker arm
- angle
- oscillating hydrofoil
- energy
- oscillating
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
- F03B17/062—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head" with rotation axis substantially at right angle to flow direction
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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
-
- 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"
- F03B13/20—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" wherein both members, i.e. wom and rem are movable relative 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
- F03B15/00—Controlling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B17/00—Other machines or engines
- F03B17/06—Other machines or engines using liquid flow with predominantly kinetic energy conversion, e.g. of swinging-flap type, "run-of-river", "ultra-low head"
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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
- F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
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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
- F05B2270/60—Control system actuates through
- F05B2270/602—Control system actuates through electrical actuators
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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 invention relates to the field of ocean energy development and utilization, in particular to an oscillating hydrofoil tidal energy power generation device.
- tidal current energy can be used by converting the huge kinetic energy contained in ocean tidal current energy into electric energy through energy conversion device.
- tidal current energy resources have high energy density, good load stability, strong predictability and little influence by meteorological conditions, and can ensure continuous and stable current output. It has obvious advantages in grid-connected power generation.
- tidal current power generation devices can be divided into three types: horizontal axis type, vertical axis type and swing hydrofoil. At present, the horizontal axis type is the most, the vertical axis type is the second, and the swing wing can be counted. Although the horizontal shaft type and the vertical shaft type have higher energy conversion efficiency, they have high requirements for blade design and are difficult.
- the swinging hydrofoil tidal current power generation device has lower energy conversion efficiency, it has the following advantages compared with the former two: no rotating machinery, avoiding damage to aquatic organisms; low noise, eco-friendly; simple structure, High reliability; low construction cost, suitable for large-scale side-by-side deployment; low starting water head, naturally adapting to low-speed water flow and other advantages. Therefore, the swing hydrofoil has unique application potential.
- the current swing hydrofoil type power generation devices are basically fixed, that is, they are fixed to the seabed by the device's own gravity or by a supporting structure in the form of a jacket, and the whole is submerged in water, although it is not affected by the sea surface.
- the cost of installation and maintenance is high, and it cannot be moved. Once a failure occurs, the maintenance cost is high.
- the tidal current flow rate is slow, which limits the performance of the swing hydrofoil power generation device.
- the technical problem to be solved by the present invention is to provide a structure that can effectively reduce the fixed load of the structure and increase the stability of the system; the structure is simple, the reliability is high, the maintenance is convenient, and the maintenance cost is reduced; Tidal current power generation device.
- the present invention provides an oscillating hydrofoil tidal energy power generation device, which includes a floating energy-absorbing power generation assembly and a cable assembly; wherein
- the floating energy-absorbing power generation component includes
- the energy absorbing device that converts tidal energy into mechanical energy.
- the energy absorbing device includes an oscillating hydrofoil at least partially submerged in water and a rocker arm connected to the oscillating hydrofoil at one end, and the other end of the rocker arm is connected to a generator ;and
- the generator that converts the mechanical energy into electrical energy
- the cable assembly is configured to moor the energy absorbing device and the generator on the seabed.
- the power generation device works on the sea surface, which provides convenience for the movement, installation and maintenance of the power generation device; working on the sea surface can capture the high-velocity tidal energy on the sea surface; working on the sea surface makes the operation and maintenance cost of the power generation device very low.
- rocker arm is arranged to be exposed to the water surface. Avoid the resistance of the rocker arm moving in the water and reduce the power generation efficiency.
- the oscillating hydrofoil is configured to provide buoyancy to the floating energy-absorbing power generation component.
- it further includes a pontoon in which the generator is arranged, and the pontoon is arranged to provide buoyancy to the floating energy-absorbing power generation assembly.
- the pontoon and the oscillating hydrofoil provide buoyancy at the same time; there are at least two buoyancy points to make the entire power generation device float more balanced; at the same time the pontoon and the hydrofoil provide buoyancy to make the rocker close to a parallel horizontal plane, and the rocker rotates more smoothly, avoiding fixed rocking
- One end of the arm is subjected to the bending moment in the vertical direction, which improves the service life of the rocker arm.
- the number of energy absorbing devices is set to two.
- the two energy absorbing devices can work independently of each other without interfering with each other. When one energy absorbing device fails to work, the other can continue to work; when the two energy absorbing devices work at the same time, the symmetrical swing can offset the lateral force.
- the energy absorbing device includes a first rocker arm, a first oscillating hydrofoil connected to the first end of the first rocker arm, a second rocker arm, and a first end connected to the second rocker arm The second oscillating hydrofoil;
- the second end of the first rocker arm and the second end of the second rocker arm are respectively connected to the generator;
- the first rocker arm and the second rocker arm are arranged to swing staggeredly without interfering with each other.
- first end of the first rocker arm and the first end of the second rocker arm both pass through the first axis, and the length from the first end of the first rocker arm to the second end is greater than that of the second end.
- the length from the first end of the second rocker arm to the second end thereof, and the first rocker arm is arranged above the second rocker arm.
- first rocker arm and the second rocker arm are respectively set to be able to rotate 360° around the first axis, and automatically adapt to the flow direction of the environment.
- first end of the first rocker arm is hinged with the first oscillating hydrofoil.
- first end of the second rocker arm is hinged with the second oscillating hydrofoil.
- first end of the first rocker arm is hinged with the first oscillating hydrofoil
- first end of the second rocker arm is hinged with the second oscillating hydrofoil
- first oscillating hydrofoil The angle of attack of and the angle of attack of the second oscillating hydrofoil are respectively set to perform angle switching according to the included angle of the first rocker arm and the second rocker arm.
- an angle control system configured to control the attack of the first oscillating hydrofoil according to the set value of the included angle between the first rocker arm and the second rocker arm. Angle and the angle of attack of the second oscillating hydrofoil.
- the angle control system includes an angle measuring instrument for measuring the included angle between the first rocker arm and the second rocker arm, and a first oscillating hydrofoil that provides power for switching the angle of attack of the first oscillating hydrofoil.
- angle measuring instrument is arranged between the lower surface of the first rocker arm and the upper surface of the second rocker arm.
- the first driving device includes a first motor.
- the second driving device includes a second motor.
- the set value of the included angle between the first rocker arm and the second rocker arm is 80°.
- angle range of the angle of attack of the first oscillating hydrofoil and the angle of attack of the second oscillating hydrofoil are both -45° to 45°.
- the present invention also provides another preferred embodiment of the oscillating hydrofoil tidal energy power generation device.
- This power generation device can work on the sea surface with high flow velocity, and can also be set to work close to the seabed surface, including converting tidal current energy into An energy absorbing device for mechanical energy, a generator that converts the mechanical energy into electrical energy;
- the energy absorbing device includes a first rocker arm, a first oscillating hydrofoil hinged to the first end of the first rocker arm, a second rocker arm, and a second rocker arm that is hinged to the first end of the second rocker arm. Oscillating hydrofoil
- the second end of the first rocker arm and the second end of the second rocker arm are respectively connected to the generator;
- the first rocker arm and the second rocker arm are arranged to swing staggeredly without interfering with each other.
- first end of the first rocker arm and the first end of the second rocker arm both pass through the first axis, and the length from the first end of the first rocker arm to the second end is greater than that of the second end.
- the length from the first end of the second rocker arm to the second end thereof, and the first rocker arm is arranged above the second rocker arm.
- the angle of attack of the first oscillating hydrofoil and the angle of attack of the second oscillating hydrofoil are respectively set to be based on the angle setting value of the first rocker arm and the second rocker arm. Switch.
- an angle control system configured to control the attack of the first oscillating hydrofoil according to the set value of the included angle between the first rocker arm and the second rocker arm. Angle and the angle of attack of the second oscillating hydrofoil.
- the angle control system includes an angle measuring instrument for measuring the angle between the first rocker arm and the second rocker arm along the tidal current direction, and switching the angle of attack of the first oscillating hydrofoil
- a first driving device that provides power
- a second driving device that provides power for switching the angle of attack of the second oscillating hydrofoil
- an angle controller that provides power for switching the angle of attack of the second oscillating hydrofoil
- an angle controller the angle controller and the angle measuring instrument
- the first driving device and the second 2. Electrical connection of driving device.
- the power generation device of a preferred embodiment of the present invention uses floating energy-absorbing power generation components, so that the power generation works on the offshore surface, which can capture higher tidal energy; the sea surface work is the movement of the device and the cost of routine maintenance is reduced; At the same time, the sea surface operation reduces the working load of the fixed components, which is beneficial to the stability and reliability of the power generation device.
- the two energy absorbing devices are arranged in a staggered manner, and they do not interfere with each other during swinging power generation.
- Two energy absorbing devices can generate electricity independently. When one energy absorbing device stops working, the other can continue to swing and generate electricity.
- the angle control system controls the first hydrofoil and the second hydrofoil respectively according to the angle setting value of the first rocker arm and the second rocker arm.
- the angle of attack of the wing is used to ensure the swing of the first rocker arm and the second rocker arm; at the same time, the control of the angle of attack can ensure higher power generation efficiency.
- Fig. 1 is a schematic structural diagram of an oscillating hydrofoil tidal current power generation device according to a preferred embodiment of the present invention
- FIG. 2 is a schematic top view of the structure of the embodiment in FIG. 1;
- Figure 3 is a perspective view of an oscillating hydrofoil
- Figure 4 is a cross-sectional view of the oscillating hydrofoil shown in Figure 3;
- FIG. 5 is a schematic diagram of the first state of the work flow of the embodiment shown in FIG. 1;
- FIG. 6 is a schematic diagram of the second state of the work flow of the embodiment shown in FIG. 1;
- FIG. 7 is a schematic diagram of the third state of the work flow of the embodiment shown in FIG. 1;
- FIG. 8 is a schematic diagram of the fourth state of the work flow of the embodiment shown in FIG. 1;
- FIG. 9 is a schematic diagram of the fifth state of the work flow of the embodiment shown in FIG. 1;
- FIG. 10 is a schematic diagram of the sixth state of the work flow of the embodiment shown in FIG. 1;
- Figure 11 is a structural schematic diagram of the oscillating hydrofoil tidal current energy generating device of a preferred embodiment of the present invention after the flow direction of the tidal current is changed by 180°;
- the basic working principle of the oscillating hydrofoil tidal energy power generation device of the present invention is that the oscillating hydrofoil drives the rocker arm to swing under the action of the tidal current, and the swing of the rocker arm drives the generator to work through the transmission device to generate electric energy.
- the oscillating hydrofoil tidal energy power generation device includes a floating energy-absorbing power generation component and a cable assembly; wherein the floating energy-absorbing power generation component includes an energy absorbing device that converts tidal energy into mechanical energy
- the energy absorbing device includes an oscillating hydrofoil at least partially submerged in water and a rocker arm connected to the oscillating hydrofoil at one end, and the other end of the rocker arm is connected to a generator; and a device that converts the mechanical energy into electrical energy
- the generator; the cable assembly is configured to park the energy absorbing device and the generator on the seabed.
- the cable assembly connects the energy absorbing device and the generator to the seabed by mooring, mooring or other methods, so that the energy absorbing device and the generator are fixedly connected to a certain position on the seabed.
- Floating energy-absorbing power generation components work on the sea surface and can be towed to any water area where they can be operated.
- the installation and subsequent maintenance of all electromechanical equipment can be completed on the water surface, enabling the movement and daily maintenance of floating energy-absorbing power generation components
- the cost is reduced; the sea has a high-velocity tidal current, and the operation on the sea is conducive to capturing higher tidal energy and improving the power generation efficiency; at the same time, the working on the sea reduces the working load of the fixed components, which is beneficial to the stability of the floating energy-absorbing power generation components And reliability.
- the rocker arm is set to be exposed to the surface of the water.
- the rocker arm is moved in the water by water resistance and reduces the power generation efficiency.
- the oscillating hydrofoil is configured to provide buoyancy.
- a floating tank is also provided, and the floating tank is configured to provide buoyancy.
- the pontoon and the hydrofoil provide buoyancy at the same time; there are at least two buoyancy points to make the entire power generation device float more balanced; at the same time, the pontoon and the hydrofoil provide buoyancy to make the rocker close to the parallel horizontal plane.
- the arm rotates more smoothly, avoiding the vertical bending moment at one end of the fixed rocker arm, and improving the service life of the rocker arm.
- the energy absorbing device can be set to one or more.
- the oscillating hydrofoil tidal energy power generation device works in the offshore area, including two energy absorbing devices, which can be independent
- the tidal current energy is converted into mechanical energy without interference with each other, that is, when one energy absorbing device stops working, the other energy absorbing device can work normally.
- the energy absorbing device includes a first rocker arm 7, a first oscillating hydrofoil 2 connected to a first end of the first rocker arm 7, a second rocker arm 8, and a first end connected to the second rocker arm 8.
- the second oscillating hydrofoil 1; the second end of the first rocker arm 7 and the second end of the second rocker arm 8 are respectively connected to the generator, and the first rocker arm 7 and the second rocker arm 8 are arranged to alternately swing each other Do not interfere.
- the power generation device further includes a floating tank 19 that provides buoyancy, and the floating tank 19 is connected to one end of the anchor chain 20, and the other end of the anchor chain 20 is anchored to the seabed.
- the first rocker arm 7 and the second rocker arm 8 are arranged to work out of the water; both the first oscillating hydrofoil 2 and the second oscillating hydrofoil 1 are at least partially submerged in water and provide buoyancy for the power generation device.
- first end of the first rocker arm 7 and the first end of the second rocker arm 8 both pass through the first axis C, and the first end of the first rocker arm 7 extends toward its second end.
- the length is greater than the length from the first end of the second rocker arm 8 to the second end thereof, and the first rocker arm 7 is arranged above the second rocker arm 8.
- first rocker arm 7 and the second rocker arm 8 are respectively set to be able to rotate 360° around the first axis C to automatically adapt to the flow direction of the environment.
- the first end of the first rocker arm 7 is hinged to the first oscillating hydrofoil 2, preferably connected by the first oscillating hydrofoil shaft 4; the first end of the second rocker arm 8 is connected to The second oscillating hydrofoil 1 is hinged, preferably, connected by a second oscillating hydrofoil shaft 3; the angle of attack of the first oscillating hydrofoil 2 and the angle of attack of the second oscillating hydrofoil 1 are respectively set according to the first rocker arm The angle between 7 and the second rocker arm 8 is switched.
- A1 is the cross-sectional symmetry line of the second oscillating hydrofoil
- A2 is the cross-sectional symmetry line of the first oscillating hydrofoil.
- the angle of attack of the oscillating hydrofoil refers to the cross-sectional symmetry of the oscillating hydrofoil.
- the angle between the line (such as A1, A2) and the tidal current direction D is positive when located above the tidal current direction D, and negative when located below the tidal current direction D; in Figure 2, the angle of attack b of the second oscillating hydrofoil is negative.
- the angle of attack b of the first oscillating hydrofoil is a positive value; the angle between the first rocker arm 7 and the second rocker arm 8 mentioned here refers to the first rocker arm 7 and the second rocker arm along the tidal current direction D The angle between 8 a.
- the angle control system which is configured to control the first oscillating hydrofoil 2 according to the set value of the included angle between the first rocker arm 7 and the second rocker arm 8.
- the angle control system includes an angle measuring instrument 22 for measuring the angle between the first rocker arm 7 and the second rocker arm 8.
- the angle measuring instrument 22 is arranged on the lower surface of the first rocker arm 7 and the upper surface of the second rocker arm 8. Between the surfaces.
- the angle control system also includes a first drive device that provides power for switching the angle of attack of the first oscillating hydrofoil 2, that is, a first motor 5; a second drive device that provides power for switching the angle of attack of the second oscillating hydrofoil 1, That is, the second motor 6; the angle controller 21.
- the angle controller 21 is electrically connected to the angle measuring instrument 22, the first motor 5, and the second motor 6.
- the set value of the included angle between the first rocker arm 7 and the second rocker arm 8 is 80°.
- the angle of attack of the first oscillating hydrofoil 2 and the angle of attack of the second oscillating hydrofoil 1 are both in the range of -45° ⁇ 45°.
- a transmission gear device is also provided.
- the two energy absorbing devices respectively transmit the mechanical energy of the first rocker arm 7 and the second rocker arm 8 to the generator through the transmission gear device, and the generator transfers it to the generator. Mechanical energy is converted into electrical energy.
- the transmission gear device includes a first transmission gear and a second transmission gear that work independently.
- the transmission gear devices work independently, which can ensure that when one of the transmission gear devices stops working, the other can continue to work, and the work of the two is not interfered, which can ensure the stability of power generation.
- the first transmission gear is used to transmit the mechanical energy of the first rocker arm 7 to the generator
- the second transmission gear is used to transmit the mechanical energy of the second rocker arm 8 to the generator.
- the generator includes a stator 11 and a rotor 10.
- the first transmission gear includes a first driving wheel 15 and a first driven wheel 12 meshing with the first driving wheel 15; the first driving wheel 15 is connected to the second end of the first rocker arm 7 and is configured as the first rocker arm 7 When rotating around the first axis C, the first driving wheel 15 is driven to rotate, and the first driving wheel 15 engages and drives the first driven wheel 12 to rotate; the rotation of the first driven wheel 12 drives the stator 11 of the generator fixedly connected to the generator relative to the generator The rotor 10 rotates to generate electricity.
- the second transmission gear includes a second driving wheel 16 and a second driven wheel 9 meshing with the second driving wheel; the second driving wheel 16 is connected to the second end of the second rocker arm 8 and is arranged to surround the second rocker arm 8
- the rotation of the first axis C drives the second driving wheel 16 to rotate, and the second driving wheel 16 engages and drives the second driven wheel 9 to rotate; the rotation of the second driven wheel 9 drives the rotor 10 of the generator fixedly connected to it relative to the generator
- the stator 11 rotates to generate electricity.
- the second end of the first rocker arm 7, the second end of the second rocker arm 8, the second driving wheel 16, and the first driving wheel 15 are arranged in sequence from top to bottom, and pass through the first main shaft 18.
- the first main shaft 18 is supported by the strong support 14 to the inner surface of the bottom surface of the pontoon 19.
- the second driven wheel 9, the rotor 10 of the generator, the stator 11 of the generator, and the first driven wheel 12 are arranged in sequence and connected in series through a fixed shaft 13, and the end of the fixed shaft is supported on the bottom surface of the pontoon 19 On the inner surface.
- the second end of the second rocker arm 8 is fixedly connected to the second driving wheel 16 through the second main shaft 17, and the axis of the second main shaft 17 and the rotation axis of the second driving wheel 16 coincide with the first axis C; the second main shaft 17 Pass through the top of the pontoon 19 from above and extend into the pontoon 19.
- the first bearing is matched with the pontoon; the second main shaft 17 is provided with a through hole, The axis of the hole coincides with the first axis C.
- the second end of the first rocker arm 7 is fixedly connected to the first driving wheel 15 through the first main shaft 18.
- the axis of the first main shaft 18 and the rotation axis of the first driving wheel 15 coincide with the first axis C.
- the first main shaft 18 It extends from the second end of the first rocker arm 7 through the through hole of the second main shaft 17 to the bottom of the pontoon 19; when the first main shaft 18 passes through the through hole of the second main shaft 17, the second bearing engages.
- the second main shaft 17 is supported on the pontoon 19 by the first bearing and the second bearing.
- the transmission gear device and the rotor and stator of the generator are all arranged in the floating tank 19.
- both the first oscillating hydrofoil 2 and the second oscillating hydrofoil 1 are arranged in a wing shape.
- the power generating device can work either at a position close to the sea surface or at a position close to the sea surface.
- An oscillating hydrofoil tidal energy power generation device including an energy absorbing device that converts tidal energy into mechanical energy, and a generator that converts mechanical energy into electrical energy;
- the energy absorbing device includes a first rocker 7 and a first rocker 7
- the second ends of are respectively connected to the generator; the first rocker arm 7 and the second rocker arm 8 are set to swing staggered without disturbing each other.
- the first oscillating hydrofoil 2 and the second oscillating hydrofoil 1 are respectively flexibly connected, so that it is convenient to change the angle of attack.
- the following arrangement is preferably adopted.
- the first end of the first rocker arm 7 and the first end of the second rocker arm 8 both pass through the first axis C, and the length from the first end of the first rocker arm 7 to its second end is greater than that of the second rocker arm 8
- the first rocker arm 7 is arranged above the second rocker arm 8.
- the angle of attack of the first oscillating hydrofoil 2 and the angle of attack of the second oscillating hydrofoil 1 are respectively set to be based on the set value of the included angle of the first rocker arm 7 and the second rocker arm 8. Angle switch.
- the power generating device further includes an angle control system configured to control the first oscillating water according to the set value of the included angle between the first rocker arm 7 and the second rocker arm 8.
- the angle control system includes an angle measuring instrument 22 for measuring the included angle between the first rocker arm 7 and the second rocker arm 8 along the tidal current direction, and a first oscillating hydrofoil 7 that provides power for switching the angle of attack.
- a driving device, a second driving device that provides power for switching the attack angle of the second oscillating hydrofoil 8, an angle controller 21, and the angle controller 21 are electrically connected to the angle measuring instrument 22, the first driving device, and the second driving device.
- the basic working principle of the power generating device is: the first oscillating hydrofoil and the second oscillating hydrofoil drive the first rocker arm and the second rocker arm respectively under the action of the tidal current.
- the swing of the rocker arm, the swing of the first rocker arm and the second rocker arm respectively drive the first driving wheel and the second driving wheel in the pontoon to rotate, thereby respectively transmitting to the first driven wheel and the second driven wheel fixed on the generator , Make the generator work to generate electricity;
- the power generation systems of the first rocker arm and the second rocker arm are independent and will not interfere with each other, that is, when one of them fails and does not move, the other can be normal Work to drive the rotor or stator that emits electrons to rotate and generate electricity. Specifically, it will be specifically described with reference to the flow diagrams of FIG. 5, FIG. 6, FIG. 7, FIG. 8, FIG. 9 and FIG. 10.
- Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Fig. 10 are diagrams of the working process of the power generating device when there are two energy absorbing devices; in these 6 pictures, the first rocker arm 7 is the longer rocker arm (Located at the bottom of Fig. 5), the first oscillating hydrofoil 2 is connected to its right end, the second rocker arm 8 (located at the top of Fig. 5) is shorter, and the second oscillating hydrofoil 1 is connected to its right end.
- the first rocker arm 7 (located below Figure 5) and the second rocker arm 8 (located above Figure 5) are in a position parallel to the tide direction D, and the first oscillating hydrofoil 2
- the angle of attack of the second oscillating hydrofoil 1 is adjusted to -45°, and the angle of attack of the second oscillating hydrofoil 1 is adjusted to 45°; under the action of the tidal current, the first oscillating hydrofoil 2 receives a force to make the first rocker arm 7 go around the first axis C rotates counterclockwise, the first main shaft 18 fixed to the second end of the first rocker arm 7 rotates and drives the second driving wheel 15 to rotate.
- the first driving wheel 15 drives the first driven wheel 12 to rotate, which can make the 12
- the fixed generator stator 11 rotates relative to the generator rotor 10, so that the generator generates electricity
- the second oscillating hydrofoil 1 receives a force to make the second rocker arm 8 rotate around the first axis C
- the second main shaft 17 fixedly connected to the second end of the second rocker arm 8 rotates and drives the second driving wheel 16 to rotate.
- the second driving wheel 16 drives the second driven wheel 9 to rotate, so that it can be connected to the second driven wheel 9
- the fixed generator rotor 10 rotates relative to the generator stator 11 so that the generator generates electricity. As shown in Fig.
- the angle controller 21 in the pontoon 19 will receive the signal from the angle measuring instrument 22 and output Signals are sent to the first motor 5 and the second motor 6 to adjust the angle of attack of the first hydrofoil 2 to 45°, and the angle of attack of the second hydrofoil 1 to -45°, as shown in Figure 7, which will The opposite movement occurs, the first rocker arm 7 rotates clockwise around the first axis C, and the second rocker arm 8 rotates counterclockwise around the first axis C, as shown in Figures 8, 9 and 10; Perform periodic motion according to the sequence of Figure 5-Figure 6- Figure 7- Figure 8- Figure 9- Figure 10- Figure 5, which realizes that the present invention captures tidal energy through the hydrofoil, converts it into mechanical energy and then converts it into electrical energy for storage.
- Figure 11 shows the relative position of the power generation device after the tidal current direction D has changed 180° with respect to Figure 1. Realize the independent adaptation and adjustment to different flow directions.
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Abstract
Description
Claims (23)
- 一种振荡水翼潮流能发电装置,其特征在于,包括漂浮式吸能发电组件和线缆组件;其中所述漂浮式吸能发电组件包括将潮流能转换成机械能的吸能装置,所述吸能装置包括至少部分浸没于水中的振荡水翼和一端与所述振荡水翼相连的摇臂,所述摇臂的另一端与发电机连接;及将所述机械能转化为电能的所述发电机;所述线缆组件被设置为将所述吸能装置和所述发电机泊于海底。
- 如权利要求1所述的振荡水翼潮流能发电装置,其特征在于,所述摇臂被设置为露出水面。
- 如权利要求1所述的振荡水翼潮流能发电装置,其特征在于,所述振荡水翼被设置为给所述漂浮式吸能发电组件提供浮力。
- 如权利要求3所述的振荡水翼潮流能发电装置,其特征在于,还包括浮箱,所述发电机被设置在所述浮箱之内,所述浮箱被设置为给所述漂浮式吸能发电组件提供浮力。
- 如权利要求1所述的振荡水翼潮流能发电装置,其特征在于,所述吸能装置被设置为2个。
- 如权利要求5所述的振荡水翼潮流能发电装置,其特征在于,所述吸能装置包括第一摇臂、与所述第一摇臂的第一端连接的第一振荡水翼、第二摇臂、与所述第二摇臂的第一端连接的第二振荡水翼;所述第一摇臂的第二端和所述第二摇臂的第二端分别连接到所述发电机上;所述第一摇臂和所述第二摇臂被设置为交错摆动互不干扰。
- 如权利要求6所述的振荡水翼潮流能发电装置,其特征在于,所述第一摇臂的第一端和所述第二摇臂的第一端均通过第一轴线,所述第一摇臂的第一端向其第二端延伸的长度大于所述第二摇臂的第一端向其第二端延伸的长度,所述第一摇臂被设置为位于所述第二摇臂的上方。
- 如权利要求7所述的振荡水翼潮流能发电装置,其特征在于,所述第一摇臂和所述第二摇臂分别被设置为可绕所述第一轴线进行360°旋转。
- 如权利要求6所述的振荡水翼潮流能发电装置,其特征在于,所述第一摇臂的第一端与所述第一振荡水翼铰接。
- 如权利要求6所述的振荡水翼潮流能发电装置,其特征在于,所述第二摇臂的第一端与所述第二振荡水翼铰接。
- 如权利要求6所述的振荡水翼潮流能发电装置,其特征在于,所述第一摇臂的第一端与所述第一振荡水翼铰接,所述第二摇臂的第一端与所述第二振荡水翼铰接,所述第一振荡水翼的攻角和所述第二振荡水翼的攻角分别被设置为依据所述第一摇臂和所述第二摇臂的夹角进行角度切换。
- 如权利要求11所述的振荡水翼潮流能发电装置,其特征在于,还包括角度控制系统,所述角度控制系统被设置为依据所述第一摇臂和所述第二摇臂之间的夹角设定值分别控制所述第一振荡水翼的攻角和所述第二振荡水翼的攻角的角度值。
- 如权利要求12所述的振荡水翼潮流能发电装置,其特征在于,所述角度控制系统包括用于测量所述第一摇臂和所述第二摇臂的夹角的角度测量仪、为所述第一振荡水翼的攻角切换提供动力的第一驱动装置、为所述第二振荡水翼的攻角切换提供动力的第二驱动装置、角度控制器,所述角度控制器与所述角度测量仪、所述第一驱动装置、所述第二驱动装置电气连接。
- 如权利要求13所述的振荡水翼潮流能发电装置,其特征在于,所述角度测量仪被设置于所述第一摇臂的下表面和所述第二摇臂的上表面之间。
- 如权利要求13所述的振荡水翼潮流能发电装置,其特征在于,所述第一驱动装置包括第一电机。
- 如权利要求13所述的振荡水翼潮流能发电装置,其特征在于,所述第二驱动装置包括第二电机。
- 如权利要求13所述的振荡水翼潮流能发电装置,其特征在于,所述第一摇臂和所述第二摇臂之间的夹角设定值为80°。
- 如权利要求13所述的振荡水翼潮流能发电装置,其特征在于,所述第一振荡水翼的攻角和所述第二振荡水翼的攻角的角度范围均为-45°~45°。
- 一种振荡水翼潮流能发电装置,其特征在于,包括将潮流能转换成机械能的吸能装置,将所述机械能转化为电能的发电机;所述吸能装置包括第一摇臂、与所述第一摇臂的第一端铰接的第一振荡水翼、第二摇臂、与所述第二摇臂的第一端铰接的第二振荡水翼;所述第一摇臂的第二端和所述第二摇臂的第二端分别连接到所述发电机上;所述第一摇臂和所述第二摇臂被设置为交错摆动互不干扰。
- 如权利要求19所述的振荡水翼潮流能发电装置,其特征在于,所述第一摇臂的第一端和所述第二摇臂的第一端均通过第一轴线,所述第一摇臂的第一端向其第二端延伸的长度大于所述第二摇臂的第一端向其第二端延伸的长度,所述第一摇臂被设置为位于所述第二摇臂的上方。
- 如权利要求19所述的振荡水翼潮流能发电装置,其特征在于,所述第一振荡水翼的攻角和所述第二振荡水翼的攻角分别被设置为依据所述第一摇臂和所述第二摇臂的夹角设定值进行角度切换。
- 如权利要求21所述的振荡水翼潮流能发电装置,其特征在于,还包括角度控制系统,所述角度控制系统被设置为依据所述第一摇臂和所述第二摇臂之间的夹角设定值分别控制所述第一振荡水翼的攻角和所述第二振荡水翼的攻角的角度值。
- 如权利要求22所述的振荡水翼潮流能发电装置,其特征在于,所述角度控制系统包括用于测量所述第一摇臂和所述第二摇臂之间的沿潮流方向夹角的角度测量仪、为所述第一振荡水翼的攻角切换提供动力的第一驱动装置、为所述第二振荡水翼的攻角切换提供动力的第二驱动装置、角度控制器,所述角度控制器与所述角度测量仪、所述第一驱动装置、所述第二驱动装置电气连接。
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