CN116080825A - Wave energy power generation buoy and working method thereof - Google Patents
Wave energy power generation buoy and working method thereof Download PDFInfo
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- CN116080825A CN116080825A CN202211280260.XA CN202211280260A CN116080825A CN 116080825 A CN116080825 A CN 116080825A CN 202211280260 A CN202211280260 A CN 202211280260A CN 116080825 A CN116080825 A CN 116080825A
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- buoy
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B22/00—Buoys
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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
- F03B13/1815—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 an up-and-down movement
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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
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a wave energy power generation buoy, which is characterized by comprising the following components: the buoy comprises a buoy shell, a balancing weight, a power generation mechanism, a floating plate, a rope, a communication rod and a sealing strip assembly; the floating plate floats up and down along with waves, the rope wound on the input shaft of the power generation mechanism is driven by the communication rod, the input shaft is driven to rotate anticlockwise or clockwise, and the internal structure of the power generation mechanism converts the different-direction input into the same-direction output to drive the internal power generator to rotate in the same direction for power generation. The invention can generate power in both the wave rising stage and the wave falling stage, is bidirectional power generation, and has two sets of rotary power generation groups, thereby being capable of utilizing wave energy to a greater extent and having higher energy utilization rate.
Description
Technical Field
The invention relates to the technical field of power generation buoys, in particular to a wave energy power generation buoy and a working method thereof.
Background
The marine buoy is anchored at the designated position on the sea and floats on the water surface, wherein the buoy provided with the lamp is called a lamp buoy, and the buoy is also provided with equipment such as a marine survey instrument, a radar transponder, a radio beacon and the like. Most of the maritime buoys are powered by a storage battery at present, but because a plurality of maritime buoys are far away from land, the battery replacement is inconvenient, and some maritime buoys are powered by solar energy, wave power, wind power generation and the like, so that the battery replacement times are reduced, and the maritime buoys are simpler, more convenient and more economical. However, when severe weather is met, the photoelectric conversion efficiency of the solar cell panel becomes low, the electric quantity is possibly insufficient, and the buoy cannot work normally, so that inconvenience is brought to people when the buoy is used; wind power generation is similar to solar power generation, and has strong dependence on weather factors. The wave energy is a renewable energy source with large content, high quality, cleanness and all weather, and the wave energy is utilized to generate electricity to realize the energy source supply of the marine buoy, thereby having convenience, feasibility and operability. Wave energy power generation mainly converts wave energy into mechanical energy of turbines, gear speed increasing mechanisms and the like to generate power, wherein the turbine mechanisms adopt more wave energy power generation buoys, such as air turbines (oscillating water columns) and the like, but the energy conversion efficiency of the device is generally lower, and other power generation mechanisms still have the defects of low energy utilization rate, unstable performance, serious corrosion and the like. The patent number ZL200810083910.5 is named as a floating body rope wheel wave power generation system, the floating body is utilized to receive the pushing of waves, the rotating wheel is pulled by a rope with one end tied on the floating body and the other end wound on the rotating wheel, the obtained irregular wave pushing force is converted into rotary power to generate power, the rope is recovered by the reverse rotation of the rotating wheel driven by a spiral spring in the wave falling stage, and the floating body rotating wheel can be directly connected with an engine for rectification and power storage. The invention generates power in one direction, namely, in the wave rising stage, the power is generated, in the wave falling stage, the power is not generated, and the wave energy cannot be fully utilized in the falling stage, so that the energy utilization rate is low; the floating body of the device has an indefinite position, which prevents the rope from running, and further, can cause partial energy loss. In addition, the power generation performance is limited by an additional device, namely a volute spring, the whole integration level is not high, and the volute spring is easy to influence.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a wave energy power generation buoy and a working method thereof, so as to solve the problems of low wave energy utilization rate, low integration level and unstable power supply in the prior art.
The invention provides a wave energy power generation buoy, comprising: the buoy comprises a buoy shell, a balancing weight, a power generation mechanism, a floating plate, a rope, a communication rod and a sealing strip assembly; the buoy shell is a closed shell, the lower part of the buoy shell is immersed below the sea surface, the upper part of the buoy shell is above the sea surface, and the buoy shell is fixed through an anchor chain; the power generation mechanism is provided with two groups which are respectively and symmetrically arranged at the upper top and the lower bottom in the buoy shell; the power generation mechanism includes: the device comprises a generator, a transmission assembly and an energy storage module, wherein an output shaft of the transmission assembly is connected with an input shaft of the generator, and an output end of the generator is connected with an input end of the energy storage module; the balancing weight is arranged at the lower bottom in the buoy shell; the rope is wound on the input shafts of the two transmission assemblies, and two pull ropes are formed between the input shafts of the two transmission assemblies; the floating plate is sleeved on the outer wall of the buoy shell and floats on the sea surface, and can slide up and down on the buoy shell; the middle part of the buoy shell is vertically provided with a strip-shaped notch, and the sealing strip assembly is arranged at the strip-shaped notch to seal the strip-shaped notch; one end of the communication rod is fixedly connected with a pull rope, and the other end of the communication rod passes through the strip-shaped notch and is fixedly connected with the floating plate; the floating plate slides up and down along with the waves in the range of the strip-shaped notch, the stay cord is pulled by the communicating rod to rotate the input shaft of the transmission assembly, and the transmission assembly converts the bidirectional rotation of the input shaft into unidirectional output through gear matching to drive the generator to continuously generate electricity.
Further, the transmission assembly includes: the device comprises an inner transmission shaft, an input transmission shaft, an outer transmission shaft, an output transmission shaft, a support shaft, a first transmission gear, a second transmission gear and a steering gear;
the support shaft is horizontally erected on the inner wall of the buoy shell; the inner transmission shaft, the input transmission shaft and the outer transmission shaft are sequentially sleeved on the support shaft from inside to outside to form a three-layer sleeved structure; one end of the input transmission shaft is used as an input shaft of the transmission assembly and is wound with a rope, the other end of the input transmission shaft is respectively in transmission connection with one end of the same side of the inner transmission shaft and one end of the same side of the outer transmission shaft through a ratchet mechanism, the outer transmission shaft is driven to rotate in the same direction through the ratchet mechanism when the input transmission shaft rotates in one direction, and the inner transmission shaft is driven to rotate in the same direction through the ratchet mechanism when the input transmission shaft rotates in the other direction; one end of the output transmission shaft is connected with the input shaft of the generator, and the other end of the output transmission shaft is sleeved with a first transmission gear and a second transmission gear; the first transmission gear and the second transmission gear are in transmission connection with the output transmission shaft through a ratchet mechanism, and the first transmission gear and the second transmission gear drive the output transmission shaft to rotate in one direction through the ratchet mechanism; the other end of the outer transmission shaft is a gear which is meshed with a second transmission gear; the other end of the inner transmission shaft is a gear which is meshed with the steering gear; the steering gear is meshed with the first transmission gear.
Further, the weather strip assembly includes: an elastic frame, a sealing strip; the elastic frame is arranged around the edge of the strip-shaped notch and generates extrusion force inwards; a middle seam is formed in the middle of the sealing strip along the extending direction of the sealing strip, the sealing strip is connected with the inner frame wall of the elastic frame and completely covers the strip-shaped notch to seal the strip-shaped notch; one end of the communicating rod penetrates through the center joint and is fixedly connected with a pull rope, and the other end of the communicating rod is fixedly connected with the floating plate.
Further, the longitudinal section of the communicating rod is fusiform or elliptic.
Further, the floating plate is a light thin plate.
Further, the floating plate is positioned on the floating plate shell when the floating plate is on the still water surface in the following range: the buoy shell is arranged between the bottom and the middle part.
Further, the floating plate is circular, and the diameter of the floating plate is larger than 1.5 times of the width of the buoy shell.
The invention also provides a working method of the wave energy power generation buoy, which comprises the following steps: the buoy is put in the open sea, when waves exist, the floating plate floats up and down along with the waves, the floating plate moves up and down through a rope fixedly connected with the communicating rod by pulling the communicating rod, the rope drives the input shaft of the transmission assembly wound by the rope to rotate in the forward direction or the reverse direction, the transmission assembly drives the input shaft to rotate in the forward direction or the reverse direction through gear cooperation and output the output shaft in the same direction, and the input shaft of the generator is driven to rotate in the same direction to continuously generate electricity.
Further, the draft of the buoy is adjusted through the balancing weight according to the sea wave height of the sea area where the buoy is located, so that the movement travel distance of the floating plate is adjusted.
The invention has the beneficial effects that:
the invention can generate power in both the wave rising stage and the wave falling stage, is bidirectional power generation, and has two sets of rotary power generation groups, so that wave energy can be utilized to a greater extent, and the energy utilization rate is higher; the invention can drive the same generator to generate electricity in the wave rising stage and the wave falling stage, and the generator can continuously rotate in the same direction to generate electricity, so that the electricity generation continuity is good and the feasibility is high; the structure is simpler, the exposed parts are fewer, the seawater erosion is reduced, and the device is durable; the structure is good in integral integration level, free of influence of additional devices and better in stability in the use process.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and should not be construed as limiting the invention in any way, in which:
FIG. 1 is a front view of an embodiment of the present invention within a buoy housing;
FIG. 2 is a schematic perspective view of a power generation mechanism according to an embodiment of the present invention;
FIG. 3 is a schematic cross-sectional view of a power generation mechanism in accordance with an embodiment of the present invention;
FIG. 4 is a schematic illustration of a ratchet mechanism between inner and outer input drive shafts in accordance with an embodiment of the present invention;
FIG. 5 is a schematic perspective view of an output drive shaft, a first drive gear, and a second drive gear according to an embodiment of the present invention;
FIG. 6 is a schematic diagram of a ratchet mechanism between a first drive gear and an output drive shaft in accordance with an embodiment of the present invention;
FIG. 7 is a schematic diagram of a ratchet mechanism between a second drive gear and an output drive shaft in accordance with an embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view of a floating plate in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view of a weatherstrip assembly according to an embodiment of the present invention.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to fall within the scope of the invention.
The invention will be further elucidated with reference to specific examples. It will be appreciated by those skilled in the art that these examples are intended to illustrate the invention and not to limit the scope of the invention, and that various equivalent modifications to the invention fall within the scope of the invention as defined in the claims appended hereto.
As shown in fig. 1 to 9, an embodiment of the present invention provides a wave power generation buoy, including: the buoy comprises a buoy shell 1, a balancing weight 2, a power generation mechanism 6, a floating plate 3, a rope 4, a communication rod 5 and a sealing strip component;
the buoy shell 1 is a closed shell and is dumbbell-shaped and is divided into a buoy shell upper part 11, a buoy shell middle part 12 and a buoy shell lower part 13, wherein the buoy shell upper part 11 and the buoy shell lower part 13 are of symmetrical structures, the longitudinal sections of the buoy shell upper part 11 and the buoy shell lower part 13 are rectangular, trapezoid and the like, the buoy shell lower part 13 is immersed below the sea surface, the buoy shell upper part 11 is above the sea surface, and the buoy shell lower part 13 is fixed through an anchor chain 7; the power generation mechanism 6 is provided with two groups which are symmetrically arranged in the upper part 11 and the lower part 13 of the buoy shell respectively; the balancing weight 2 is arranged at the bottom end of the lower part 13 of the buoy shell; the power generation mechanism 6 includes: a generator 61, a transmission assembly, an energy storage module 63,
as shown in fig. 3-5, the transmission assembly includes: an inner drive shaft 621, an input drive shaft 622, an outer drive shaft 623, an output drive shaft 624, a support shaft 625, a first drive gear 626, a second drive gear 627, and a steering gear 628;
the supporting shaft 625 is horizontally erected on the inner wall of the buoy housing 1 through supporting rods 629 at two ends; the inner transmission shaft 621, the input transmission shaft 622 and the outer transmission shaft 623 are sequentially sleeved on the support shaft 625 from inside to outside to form a three-layer sleeved structure, and the shafts can be supported by means of bearings and the like, so that linkage between the shafts is avoided; one end of the input transmission shaft 622 is used as an input shaft of a transmission component, the other end of the input transmission shaft 622 is respectively connected with one ends of the same sides of the inner transmission shaft 621 and the outer transmission shaft 623 through a ratchet mechanism in a transmission way, as shown in the figure, unidirectional ratchets with a circumference are arranged on the outer wall of the inner transmission shaft 621 to form a ratchet, unidirectional ratchets are also arranged on the circumference of the inner wall of the outer transmission shaft 623 to form an inner ratchet, a plurality of pawls are arranged on the inner wall and the outer wall of the input transmission shaft 622, the pawls and the ratchets on the inner transmission shaft 623 form two ratchet mechanisms, the outer transmission shaft 623 is driven to rotate in the same direction through the ratchet mechanism when the input transmission shaft 622 rotates in one direction, and the inner transmission shaft 621 is driven to rotate in the same direction through the ratchet mechanism when the input transmission shaft 622 rotates in the other direction, and the rotation direction of the inner transmission shaft 621 is opposite to that of the outer transmission shaft 623;
as shown in fig. 6 and 7, a first transmission gear 626 and a second transmission gear are sleeved at one end of the output transmission shaft 624, and the sleeved mode can be sleeved through a bearing and the like, so that the two transmission gears can rotate with the output transmission shaft 624 as an axis; the first transmission gear 626 and the second transmission gear 627 are in transmission connection with the output transmission shaft 624 through a ratchet mechanism, unidirectional ratchets are arranged on the outer wall of the position, sleeved with the first transmission gear 626, of the output transmission shaft 624 to form a ratchet, and a plurality of pawls are arranged on the inner wall of the first transmission gear 626 to form a ratchet mechanism with the ratchet; the outer wall of the output transmission shaft 624, which is sleeved with the second transmission gear, is provided with a plurality of pawls, the inner wall of the second transmission gear 627 is provided with ratchet teeth to form an inner ratchet, and the pawls and the ratchet wheels form a ratchet mechanism; the first transmission gear 626 and the second transmission gear 627 drive the output transmission shaft 624 to rotate in one direction through a ratchet mechanism; the other end of the outer transmission shaft 623 is a gear which is meshed with a second transmission gear 627; the other end of the inner transmission shaft 621 is a gear which is meshed with the steering gear 628, and the steering gear 628 is also meshed with the first transmission gear 626; the other end of the output transmission shaft 624 is connected with the input shaft of the generator 61, the output end of the generator 61 is connected with the input end of the energy storage module 63, and the energy storage module 63 supplies power to all electric devices on the buoy;
the rope 4 is annular and can be wound on the input shafts of the two transmission assemblies in a wire spool mode, two pull ropes 41 are formed between the input shafts of the two transmission assemblies, and the input shafts are driven to rotate by pulling the pull ropes 41;
the floating plate 3 is circular, and the material can be light and thin plate in order to increase its sensitivity to wave action, and the diameter of floating plate 3 is greater than 1.5 times of buoy casing 1 width, can provide fine buoyancy for the buoy, makes the buoy float in the surface of water always to keep whole stable. The floating plate 3 is sleeved in the middle part 12 of the buoy shell, floats on the sea surface and can slide up and down in the middle part 12 of the buoy shell; the initial position of the floating plate 3 can be adjusted through the balancing weight 2, and the floating plate 3 can be adjusted and set according to the maximum wave height of the sea area where the buoy is located, so that the movable range of the floating plate 3 can be ensured to meet the wave height, and the initial position of the floating plate 3 is generally set in the range from the bottom end of the middle part 12 of the buoy shell to 1/2 part of the middle part 12 of the buoy shell.
As shown in fig. 8 and 9, the middle part 12 of the buoy shell is provided with a strip-shaped notch along the axial direction, the length of the strip-shaped notch can be the same as or close to that of the middle part 12 of the buoy shell, and the sealing strip assembly is arranged at the strip-shaped notch to seal the strip-shaped notch; the sealing strip assembly includes: an elastic frame 81, a seal bar 82; the elastic frame 81 is arranged around the edge of the strip-shaped notch, generates extrusion force inwards and also plays a role in sealing the edge of the strip-shaped notch; a middle seam is formed in the middle of the sealing strip 82 along the extending direction of the strip-shaped notch, the sealing strip 82 is connected with the inner frame wall of the elastic frame 81, and the sealing strip-shaped notch is completely covered on the strip-shaped notch to seal the strip-shaped notch, and the middle seam of the sealing strip 82 forms extrusion-type sealing due to inward extrusion force of the elastic frame 81; one end of the communicating rod 5 passes through the center seam and is fixedly connected with a pull rope 41, the other end of the communicating rod is fixedly connected with the floating plate 3, the longitudinal section of the communicating rod 5 is in a fusiform or oval shape, and the sealing strip 82 which is more suitable for the center seam is attached to the communicating rod 5, so that the tightness is ensured. The floating plate 3 slides up and down along with the waves in the range of the strip-shaped notch, the stay cord 41 is pulled by the communication rod 5 to rotate the input shaft of the transmission assembly, and the transmission assembly converts the bidirectional rotation of the input shaft into unidirectional output through gear cooperation to drive the generator 61 to continuously generate electricity.
The following describes a working method of the wave energy power generation buoy provided by the embodiment of the invention:
the buoy is anchored by the anchor chain 7 and then floats on the sea surface, and the starting position of the floating plate 3 is adjusted by adjusting the balancing weight 2 according to the maximum wave height of the sea area. As shown in the figure, when the buoy floats up along with sea waves, the floating plate 3 moves upwards relative to the buoy shell 1, the stay cord 41 is driven to move upwards through the communicating rod 5, the rope 4 is wound at the input end of the input transmission shaft 622 in a wire spool manner, so that the rope 4 drives the upper and lower two input transmission shafts 622 to rotate anticlockwise, the input transmission shaft 622 only drives the outer transmission shaft 623 to rotate anticlockwise through the pawl on the outer wall, the gear at the other end of the outer transmission shaft 623 also rotates anticlockwise to drive the second transmission gear 627 meshed with the outer transmission shaft 623 to rotate clockwise, the ratchet wheel on the inner wall of the second transmission gear 627 drives the pawl on the output transmission shaft 624 to drive the output transmission shaft 624 to rotate clockwise to realize power generation, and the generated power is stored in the energy storage module 63 for all devices in the buoy; when the buoy sinks along with sea waves, the floating plate 3 moves downwards relative to the buoy housing 1, the stay rope 41 is driven to move downwards through the communication rod 5, the rope 4 drives the upper input transmission shaft 622 and the lower input transmission shaft 622 to rotate clockwise, as shown in fig. 5, the input transmission shaft 622 only drives the inner transmission shaft 621 to rotate clockwise through pawls on the inner wall, the gear at the other end of the inner transmission shaft 621 also rotates clockwise, the steering gear 628 meshed with the inner transmission shaft 622 rotates anticlockwise, the first transmission gear 626 meshed with the steering gear 628 rotates clockwise, as shown in fig. 6, the pawls on the inner wall of the first transmission gear 626 drive the ratchet wheels on the outer wall of the output transmission shaft 624, so that the output transmission shaft 624 is driven to rotate clockwise, power generation is realized, and the generated power is stored in the energy storage module 63 for all devices in the buoy. It can be understood that the direction of the ratchet teeth in the ratchet mechanism can be adjusted according to actual requirements, and the main purpose of the ratchet mechanism is to change rotation inputs in different directions into rotation outputs in the same direction. Meanwhile, due to the adoption of the ratchet mechanism, the phenomenon that the output transmission shaft 624 rotates back due to the fact that one transmission gear is driven to rotate by the other transmission gear is not driven to rotate simultaneously can be avoided.
Through the description of the working method, it can be seen that the wave energy power generation buoy provided by the embodiment of the invention is always in the same direction rotation state as the output transmission shaft 624 which drives the input shaft of the generator 61 to rotate in the process of floating or descending the floating plate 3, so that the power generation can be realized in the same direction regardless of floating or descending, and the continuous power generation can be realized regardless of floating or descending.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations are within the scope of the invention as defined by the appended claims.
Claims (9)
1. A wave energy power buoy, comprising: the buoy comprises a buoy shell, a balancing weight, a power generation mechanism, a floating plate, a rope, a communication rod and a sealing strip assembly; the buoy shell is a closed shell, the lower part of the buoy shell is immersed below the sea surface, the upper part of the buoy shell is above the sea surface, and the buoy shell is fixed through an anchor chain; the power generation mechanism is provided with two groups which are respectively and symmetrically arranged at the upper top and the lower bottom in the buoy shell; the power generation mechanism includes: the device comprises a generator, a transmission assembly and an energy storage module, wherein an output shaft of the transmission assembly is connected with an input shaft of the generator, and an output end of the generator is connected with an input end of the energy storage module; the balancing weight is arranged at the lower bottom in the buoy shell; the rope is wound on the input shafts of the two transmission assemblies, and two pull ropes are formed between the input shafts of the two transmission assemblies; the floating plate is sleeved on the outer wall of the buoy shell and floats on the sea surface, and can slide up and down on the buoy shell; the middle part of the buoy shell is vertically provided with a strip-shaped notch, and the sealing strip assembly is arranged at the strip-shaped notch to seal the strip-shaped notch; one end of the communication rod is fixedly connected with a pull rope, and the other end of the communication rod passes through the strip-shaped notch and is fixedly connected with the floating plate; the floating plate slides up and down along with the waves in the range of the strip-shaped notch, the stay cord is pulled by the communicating rod to rotate the input shaft of the transmission assembly, and the transmission assembly converts the bidirectional rotation of the input shaft into unidirectional output through gear matching to drive the generator to continuously generate electricity.
2. The wave energy power buoy of claim 1, characterized in that the transmission assembly comprises: the device comprises an inner transmission shaft, an input transmission shaft, an outer transmission shaft, an output transmission shaft, a support shaft, a first transmission gear, a second transmission gear and a steering gear;
the support shaft is horizontally erected on the inner wall of the buoy shell; the inner transmission shaft, the input transmission shaft and the outer transmission shaft are sequentially sleeved on the support shaft from inside to outside to form a three-layer sleeved structure; one end of the input transmission shaft is used as an input shaft of the transmission assembly and is wound with a rope, the other end of the input transmission shaft is respectively in transmission connection with one end of the same side of the inner transmission shaft and one end of the same side of the outer transmission shaft through a ratchet mechanism, the outer transmission shaft is driven to rotate in the same direction through the ratchet mechanism when the input transmission shaft rotates in one direction, and the inner transmission shaft is driven to rotate in the same direction through the ratchet mechanism when the input transmission shaft rotates in the other direction; one end of the output transmission shaft is connected with the input shaft of the generator, and the other end of the output transmission shaft is sleeved with a first transmission gear and a second transmission gear; the first transmission gear and the second transmission gear are in transmission connection with the output transmission shaft through a ratchet mechanism, and the first transmission gear and the second transmission gear drive the output transmission shaft to rotate in one direction through the ratchet mechanism; the other end of the outer transmission shaft is a gear which is meshed with a second transmission gear; the other end of the inner transmission shaft is a gear which is meshed with the steering gear; the steering gear is meshed with the first transmission gear.
3. The wave energy power buoy of claim 1, characterized in that the sealing strip assembly comprises: an elastic frame, a sealing strip; the elastic frame is arranged around the edge of the strip-shaped notch and generates extrusion force inwards; a middle seam is formed in the middle of the sealing strip along the extending direction of the sealing strip, the sealing strip is connected with the inner frame wall of the elastic frame and completely covers the strip-shaped notch to seal the strip-shaped notch; one end of the communicating rod penetrates through the center joint and is fixedly connected with a pull rope, and the other end of the communicating rod is fixedly connected with the floating plate.
4. The wave energy power buoy of claim 1, characterized in that the longitudinal section of the communication rod is a shuttle or oval.
5. The wave energy power buoy of claim 1, characterized in that the floating plate is a light sheet.
6. The wave energy power buoy of claim 1, wherein the floating plate is positioned on the floating plate housing at a range of positions on the still water surface: the buoy shell is arranged between the bottom and the middle part.
7. The wave energy power buoy of claim 1, characterized in that the floating plate is circular and has a diameter greater than 1.5 times the width of the buoy housing.
8. A method of operating a wave power buoy adapted for use in accordance with any one of claims 1-7, the method comprising: the buoy is put in the open sea, when waves exist, the floating plate floats up and down along with the waves, the floating plate moves up and down through a rope fixedly connected with the communicating rod by pulling the communicating rod, the rope drives the input shaft of the transmission assembly wound by the rope to rotate in the forward direction or the reverse direction, the transmission assembly drives the input shaft to rotate in the forward direction or the reverse direction through gear cooperation and output the output shaft in the same direction, and the input shaft of the generator is driven to rotate in the same direction to continuously generate electricity.
9. The method of claim 8, wherein the travel distance of the floating plate is adjusted by adjusting the draft of the buoy through the weight according to the sea wave height of the sea area in which the buoy is located.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211280260.XA CN116080825A (en) | 2022-10-19 | 2022-10-19 | Wave energy power generation buoy and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211280260.XA CN116080825A (en) | 2022-10-19 | 2022-10-19 | Wave energy power generation buoy and working method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116080825A true CN116080825A (en) | 2023-05-09 |
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|---|---|---|---|
| CN202211280260.XA Pending CN116080825A (en) | 2022-10-19 | 2022-10-19 | Wave energy power generation buoy and working method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN116080825A (en) |
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2022
- 2022-10-19 CN CN202211280260.XA patent/CN116080825A/en active Pending
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