CN112610394A - Hydraulic mass transfer floating type wave power generation device - Google Patents
Hydraulic mass transfer floating type wave power generation device Download PDFInfo
- Publication number
- CN112610394A CN112610394A CN202011505194.2A CN202011505194A CN112610394A CN 112610394 A CN112610394 A CN 112610394A CN 202011505194 A CN202011505194 A CN 202011505194A CN 112610394 A CN112610394 A CN 112610394A
- Authority
- CN
- China
- Prior art keywords
- hydraulic
- power generation
- liquid
- hydraulic cylinder
- floating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007667 floating Methods 0.000 title claims abstract description 56
- 238000010248 power generation Methods 0.000 title claims abstract description 51
- 239000007788 liquid Substances 0.000 claims abstract description 73
- 238000013016 damping Methods 0.000 claims abstract description 62
- 230000000694 effects Effects 0.000 claims abstract description 11
- 230000033001 locomotion Effects 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 63
- 239000013535 sea water Substances 0.000 claims description 25
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000005484 gravity Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000010720 hydraulic oil Substances 0.000 claims description 2
- 239000008399 tap water Substances 0.000 claims description 2
- 235000020679 tap water Nutrition 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims 1
- 230000008901 benefit Effects 0.000 abstract description 5
- 230000007774 longterm Effects 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010521 absorption reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000000254 damaging effect Effects 0.000 description 1
- 238000010612 desalination reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 229910010272 inorganic material Inorganic materials 0.000 description 1
- 239000011147 inorganic material Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/22—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements to drive a motor or turbine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
-
- 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
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
-
- 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
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/04—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator for diminishing cavitation or vibration, e.g. balancing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B35/00—Vessels or similar floating structures specially adapted for specific purposes and not otherwise provided for
- B63B35/44—Floating buildings, stores, drilling platforms, or workshops, e.g. carrying water-oil separating devices
- B63B2035/4433—Floating structures carrying electric power plants
- B63B2035/4466—Floating structures carrying electric power plants for converting water energy into electric energy, e.g. from tidal flows, waves or currents
-
- 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
- F05B2220/00—Application
- F05B2220/70—Application in combination with
- F05B2220/706—Application in combination with an electrical generator
-
- 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
- Y02E10/20—Hydro 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
Abstract
The invention relates to a hydraulic mass transfer floating type wave power generation device, which is characterized in that a hydraulic power generation system is arranged in a floating body, the bottom of the floating body is connected with a central guide shaft and a hydraulic cylinder, and the floating body is connected with the hydraulic power generation system through a pipeline; a damping system capable of sliding up and down is arranged on the central guide shaft, and a counterweight is mounted on the damping system through flexible connection, so that the effect of adjusting the relative movement interval of the damping system is achieved. A piston in the hydraulic cylinder is connected to the damping system through a piston rod, and the floating body moves up and down under the action of wave force to drive the central guide shaft and the hydraulic cylinder to move up and down, so that the piston connected to the damping system moves up and down in the hydraulic cylinder to push liquid in the hydraulic cylinder to enter the hydraulic power generation system to generate power. The wave energy absorbing device has the advantages of high wave energy absorbing efficiency, simple structure, low manufacturing cost and maintenance cost, and high practical application value, and improves the long-term operation reliability of the device.
Description
Technical Field
The invention relates to a wave energy power generation technology.
Background
The development and utilization of renewable new energy is an important direction for energy development. In the current renewable energy sources, wind energy and photovoltaic energy sources are well developed, the technology is mature day by day, but the requirement of human beings on the energy sources cannot be met, and fossil energy is still the energy source mainly utilized by people. Thus, attention is being turned to ocean energy, which is contained in ocean currents and waves of the ocean, wherein the conversion of wave energy into electric energy is a clean energy of great value. Because the waves are everywhere and contain abundant energy, the wave energy generating device is an inexhaustible energy source. The development of technologies for converting wave energy into electric energy has been in history for more than 20 years, but no fully mature and commercialized technologies are available yet. Factors restricting the application of wave energy power generation technology are various, including the energy absorption efficiency, the energy transmission efficiency and the energy conversion efficiency of the device, the reliability of the long-term operation of the device, the wind and wave resistance capability and the seawater corrosion resistance capability of the device and the like.
Disclosure of Invention
The invention aims to provide a wave energy power generation device which is simple in structure, low in manufacturing cost and maintenance cost, high in wave energy utilization rate and reliable in long-term operation.
The technical scheme adopted for realizing the above purpose of the invention is as follows:
a hydraulic mass transfer floating type wave energy power generation device comprises a fluctuation structure and a damping system.
The wave structure comprises a floating body, a floating bin, a hydraulic power generation system, a hydraulic cylinder and a central guide shaft; the hydraulic power generation system is characterized in that the floating body is in an inverted cone shape, a cavity is formed in the center of the floating body in a separating mode and serves as a floating bin, the hydraulic power generation system is installed in the floating bin, and a central guide shaft and two hydraulic cylinders are fixed below the floating body; the hydraulic cylinder is used for mass transfer by liquid and comprises a hydraulic cylinder body, a hydraulic piston and a piston rod, wherein a liquid inlet and a liquid outlet of a pressure cavity of the hydraulic cylinder body are connected with a hydraulic power generation system through pipelines, and unidirectional flowing liquid flow is provided for a generator under the control of a plurality of one-way valves.
The damping system comprises a buoyancy tank, a damping bin and a counterweight; the damping bin is sleeved on the central guide shaft and can move up and down along the guide shaft; the counterweight is connected below the damping bin, the hovering position of the damping bin is controlled, and the mass of the damping system is adjusted; the buoyancy tank is fixed on the damping bin, the top of the buoyancy tank is connected with the piston rod, and the piston is driven to move up and down in the hydraulic cylinder.
The floating body with the fluctuation structure floats on the liquid level, the damping system is positioned below the liquid level, and when the floating body moves up and down under the action of wave force, the floating body drives the central guide shaft and the hydraulic cylinder to move up and down, so that the piston connected to the damping system moves up and down in the hydraulic cylinder body to push the liquid in the hydraulic cylinder to enter the hydraulic power generation system, and power generation is realized.
The body adopts an inverted cone shape in the device, the power generation device is placed in liquid (such as seawater) and then the liquid level is in the middle of the cone, the shape enables the liquid (such as seawater) to rise, the liquid (such as seawater) is rapidly increased for the buoyancy of the device, the effect of rapidly lifting the device is achieved, when the liquid (such as seawater) descends, the liquid (such as seawater) is rapidly reduced for the buoyancy of the device, the effect of rapidly reducing the device is achieved, the following performance of the device for waves is enhanced, the forced resonance effect is generated, the device has good absorption effect for wave energy of different periods, the absorption width of the device for the wave period is increased, and the absorption efficiency of the wave energy is remarkably improved.
In the device, the hydraulic cylinder is placed at the bottom of the floating bin in an inverted mode, the hydraulic cylinder opening is positioned in seawater, at least one hydraulic cylinder is used, but in order to balance the stress of the device, two or more hydraulic cylinders are preferably adopted. As the hydraulic mass transfer is also liquid (such as water), the pollution of the hydraulic mass transfer to the environment is not worried about, which is a remarkable advantage of the wave energy power generation device which utilizes a hydraulic system taking liquid (such as water) as mass transfer. In the preferred structure, the hydraulic cylinder is fixed together with the central guide shaft, so that the stability of the structure is enhanced, and a piston rod connected with the damping system is ensured to drive the piston to perform linear motion in the hydraulic cylinder body.
The hydraulic system adopts liquid as mass transfer liquid, and the liquid can be pure water, tap water, seawater, or a solution with water as a main component, and a combined liquid of water and other liquids, or can also be hydraulic oil.
Further, in order to enable the damping bin to be capable of hovering in the center of the moving range on the central guide shaft, the damping system is designed to be larger than the gravity when the damping system does not contain the counterweight, and the weight of the damping system is larger than the buoyancy of the damping system after the counterweight is mounted.
Furthermore, an upper limiter and a lower limiter are arranged on the central guide shaft to limit the moving amplitude of the damping system.
Further, the damping bin is a container filled with liquid, and the mass of the damping system can be adjusted by adjusting the filling amount of the liquid.
Furthermore, the hydraulic power generation system comprises a hydraulic motor or a water turbine, a power generator and a one-way valve, wherein the energy output end of the hydraulic motor or the water turbine is connected with the power generator, the liquid inlet and the liquid outlet ends of the hydraulic motor or the water turbine are respectively connected with the liquid inlet and the liquid outlet of the hydraulic cylinder through pipelines, the flow direction of liquid is controlled through a plurality of one-way valves arranged on pipelines, and when water is injected into or extracted from the hydraulic cylinder, the flow direction of the liquid through the hydraulic motor or the water turbine is kept unchanged, so that the hydraulic motor or the water turbine keeps rotating in one direction, and.
Specifically, the liquid inlet end and the liquid outlet end of the hydraulic motor are respectively provided with a one-way valve and then are respectively connected with the water inlet and the water outlet of the hydraulic cylinder through pipelines, at least one hydraulic cylinder is arranged, and when two or more hydraulic cylinders are arranged, the water inlet and the water outlet of all the hydraulic cylinders are converged together through a converging pipe; the liquid inlet end and the liquid outlet end of the hydraulic motor are respectively provided with a one-way valve and are simultaneously connected with the water storage tank through pipelines; when the hydraulic cylinder pushes out water, the water outlet of the hydraulic cylinder is converged together through the converging pipe, and the water flows through the first one-way valve, the hydraulic motor, the fourth one-way valve and finally flows into the liquid storage tank; when the hydraulic cylinder sucks water, the water flows out of the liquid storage tank, flows through the third one-way valve, the hydraulic motor, the second one-way valve and finally flows into the hydraulic cylinder after passing through the convergence pipe. The liquid storage tank is used for receiving and providing liquid flowing through the hydraulic motor or the water turbine, can be opened and communicated with the atmosphere to play a role of a pure container, and can also be a closed container with a certain volume of air, and when the liquid is received or provided, the change of the internal air pressure is caused due to the change of the volume of the liquid, so that the function of energy storage and buffering is played.
Furthermore, the hydraulic power generation system also comprises a high-pressure energy accumulator and a low-pressure energy accumulator, wherein the high-pressure energy accumulator and the low-pressure energy accumulator are respectively connected with the pipelines at the liquid inlet end and the liquid outlet end of the hydraulic motor or the hydraulic turbine, so that the flow speed of water passing through the hydraulic motor or the hydraulic turbine is stabilized, the peak clipping and valley filling effects are realized for energy conversion, and the energy conversion efficiency is improved.
The whole wave energy power generation device provided by the invention is provided with two parts of fluctuation and damping according to the action in the energy conversion process, wherein the fluctuation part comprises a floating body, a floating bin, a hydraulic power generation system in the floating bin, a hydraulic cylinder connected to the bottom of the floating bin, a central guide shaft and other parts, and the wave energy power generation device is a novel combined structure and has obvious effects on simplifying the structure of the wave energy power generation device, improving the wave absorption efficiency, improving the wind and wave damage resistance of the device and eliminating environmental pollution.
Meanwhile, the wave energy power generation device adopts the floating body with the inverted cone structure and the hydraulic power generation system, can generate power by utilizing wave energy at high efficiency, has the advantages of simple structure, reliable operation, wind and wave resistance, strong corrosion resistance, simple maintenance and the like, can reduce the power generation cost of the wave energy, increase the competitiveness of the wave energy with the traditional energy production, is used in seawater, and can meet the power supply requirements of offshore remote island reefs and the power consumption requirements of seawater desalination.
In conclusion, the device has the advantages of high efficiency of absorbing wave energy, simple structure, low manufacturing cost and maintenance cost, improvement of the reliability of long-term operation of the device and very high practical application value.
Drawings
The invention is further illustrated by the figures and by the non-limiting examples given.
FIG. 1 is a schematic cross-sectional view of the structure of the device of the present invention.
Fig. 2 is an appearance schematic diagram of the present invention.
In the figure: the floating body 1, the floating bin 2, the hydraulic motor (water turbine) 3, the generator 4, the high-pressure energy accumulator 5, the low-pressure energy accumulator 6, the liquid storage tank 7, the first, the second, the third and the fourth one-way valves 8.1, 8.2, 8.3, 8.4, the hydraulic cylinder 9, the piston 10, the piston rod 11, the upper and the lower limiters 12.1, 12.2, the floating box 13, the damping bin 14, the counterweight 15, the chain 16, the counterweight limiter 17 and the central guide shaft 18.
Detailed Description
The invention will be further explained by taking the device as an example and using the device in seawater, and combining the attached drawings and the embodiment:
fig. 1 and 2 show a floating wave energy power generation device with seawater as hydraulic mass transfer, which comprises two parts, namely a wave structure and a damping system.
The wave structure comprises a floating body 1, a floating bin 2, a hydraulic power generation system and a hydraulic cylinder, wherein a cavity is formed in the center of the floating bin 2 in a separated mode, and the hydraulic power generation system is installed. The bottom end of the floating bin 2 is provided with a vertically downward central guide shaft 18 and two cylindrical hydraulic cylinders, and the hydraulic cylinders are connected with a hydraulic power generation system in the floating bin 2 by using seawater as a mass transfer through pipelines. The piston 10 in the hydraulic cylinder 9 is connected to the lower damping system by a piston rod 11.
In a further embodiment, the hydraulic power generation system is composed of a high-pressure accumulator 5, a low-pressure accumulator 6, a hydraulic motor 3, a generator 4, a one-way valve 8 and the like. The energy output end of the hydraulic motor or the water turbine 3 is connected with the generator 4, the liquid inlet end and the liquid outlet end of the hydraulic motor 3 are respectively provided with a first one-way valve 8.1 and a second one-way valve 8.2, and then are respectively connected with the water inlet and the water outlet of the two hydraulic cylinders through pipelines, and the water inlet and the water outlet of the two hydraulic cylinders are converged together through a converging pipe. The liquid inlet end and the liquid outlet end of the hydraulic motor 3 are respectively provided with a third one-way valve 8.3 and a fourth one-way valve 8.4 which are simultaneously connected with the water storage tank 7 through pipelines. When the hydraulic cylinders push out water, the water outlet of the two hydraulic cylinders are converged together through the converging pipe, and the water flows through the first one-way valve 8.1, the hydraulic motor 3, the fourth one-way valve 8.4 and finally flows into the liquid storage tank 7. When the hydraulic cylinders suck water, the water flows out of the liquid storage tank 7, flows through the third one-way valve 8.3, the hydraulic motor 3, the second one-way valve 8.2 and finally flows into the two hydraulic cylinders respectively after passing through the convergence pipe. Therefore, no matter the hydraulic cylinder pushes water out or sucks water, the direction of water flow passing through the hydraulic motor or the water turbine 3 can be kept unchanged, so that the hydraulic motor or the water turbine 3 keeps rotating in one direction to drive the generator 4 to generate electricity. The high-pressure energy accumulator 5 and the low-pressure energy accumulator 6 are respectively connected with two ends of a water inlet and a water outlet of the hydraulic motor or the water turbine 3, and play a role in buffering and storing energy.
In a further embodiment, the floating body 1 of the device adopts an inverted cone shape, the whole power generation device is placed in seawater, the horizontal plane is arranged in the middle of the cone, the shape enables the seawater to rise, compared with the shape of the cylinder, the seawater can increase the buoyancy of the device more quickly, the effect of quickly pushing the device is achieved, when the seawater falls, the buoyancy falling speed of the seawater to the device is higher, the effect of enabling the device to fall quickly is achieved, the following performance of the device to waves is enhanced, the forced resonance effect is generated, the device can well absorb wave energy in different periods, the absorption width of the device to the wave period is increased, and the absorption efficiency of the wave energy is remarkably improved.
In a further embodiment, the hydraulic cylinder of the device is placed at the bottom of the floating bin 2, is in seawater in an inverted downward orientation, and the friction pair is made of a self-lubricating seawater corrosion-resistant material. The two hydraulic cylinders are fixed with the central guide shaft 18, so that the structural stability is enhanced, and the linear motion of the piston in the hydraulic cylinder body is ensured. The hydraulic cylinder of the device completely works under the sea level, and because the hydraulic mass transfer is also seawater, the pollution of a hydraulic system to the environment is eliminated, so that the wave energy power generation device of the hydraulic system using water as mass transfer has an obvious advantage.
The damping system of the device consists of a floating box 13, a damping bin 14 and a balance weight 15, a central guide shaft 18 penetrates through the damping system from the center, and the damping system can move on the central guide shaft 18, so that a piston rod 11 and a piston 10 are driven to reciprocate in a hydraulic cylinder body 9, and water flows through a hydraulic power generation system to generate power.
In the above damping system, the buoyancy tank 13 is used to provide buoyancy and balance the weight of the damping system. The damping chamber 14 is a container which can be filled with seawater, and the seawater filling function is to increase the mass of the damping system and better perform the damping function. In order to enable the damping system to hover at the center of the range of motion on the central guide shaft 18, it is designed such that the buoyancy of the damping system is greater than the gravity when the counterweight 15 is not included, and the weight of the damping system is greater than the buoyancy thereof when the counterweight 15 is mounted. The other stop 17 is intended to limit the position of the counterweight 15, in which the damping system automatically stops when it reaches the stop 17, just in the central region of its range of movement on the central guide shaft 18. The counterweight 15 is flexibly connected to the bottom of the damping bin through a chain 16.
In a further embodiment, the device is provided with upper and lower stops 12.1 and 12.2 on the central guide shaft for limiting the amplitude of movement of the damping system, the purpose of which is to limit the range of movement of the piston 10 in the cylinder.
In a further embodiment, the hydraulic cylinder 9 and the hydraulic piston 10 of the device are made of seawater corrosion resistant and self-lubricating materials, usually some high molecular materials, ceramic materials or composite materials of organic high molecular and inorganic materials, at the contact part (friction pair).
In a further embodiment, the central guide shaft 18 of the device is a high strength metal tube or rod that passes through the center of the damping system and serves to resist the damaging effects of wave lateral and irregular forces while maintaining good linear motion of the piston 10 in the cylinder 9.
It is to be understood that all of the above described embodiments are part of the invention, and not all of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, fall within the protection scope of the present invention.
Claims (10)
1. A hydraulic mass transfer floating type wave energy power generation device comprises a fluctuation structure and a damping system; it is characterized in that the preparation method is characterized in that,
the wave structure comprises a floating body (1), a floating bin (2), a hydraulic power generation system, a hydraulic cylinder and a central guide shaft (18); the floating body (1) is in an inverted cone shape, a cavity is divided at the center to serve as a floating bin (2), the hydraulic power generation system is installed in the floating bin (2), and a central guide shaft (18) and a hydraulic cylinder are fixed below the floating body (1); the hydraulic cylinder is used for mass transfer by using liquid and comprises a hydraulic cylinder body (9), a hydraulic piston (10) and a piston rod (11); the hydraulic power generation system comprises a hydraulic motor or a water turbine (3) and an engine (4); a liquid inlet and a liquid outlet of a pressure cavity of the hydraulic cylinder body (9) are connected with the hydraulic motor or the water turbine (3) through a pipeline, and provide unidirectional flowing water flow for the rotation of the hydraulic motor or the water turbine (3) to drive the engine (4) to generate electricity;
the damping system comprises a buoyancy tank (13), a damping bin (14) and a counterweight (15); the damping bin (14) is sleeved on the central guide shaft (18) and can move up and down along the guide shaft; the counterweight (15) is connected below the damping bin (14), controls the hovering position of the damping bin (14), and adjusts the mass of the damping system; the buoyancy tank (13) is fixed on the damping bin (14), the top of the buoyancy tank is connected with a piston rod (11) of a hydraulic cylinder, and the hydraulic piston (10) moves up and down;
the floating body of the fluctuation structure floats on the liquid level, the damping system is positioned below the liquid level, and when the floating body moves up and down under the action of wave force, the floating body drives the central guide shaft and the hydraulic cylinder to move up and down, so that the piston connected to the damping system moves up and down in the hydraulic cylinder to push the liquid in the hydraulic cylinder to enter the hydraulic motor or the hydraulic turbine, and power generation is realized.
2. The hydraulic mass transfer floating wave energy power generation device according to claim 1, wherein the hydraulic mass transfer liquid comprises pure water, tap water, seawater, various water-based solutions and liquid combinations, or hydraulic oil.
3. The hydraulic mass transfer floating wave energy power generation device according to claim 1 or 2, characterized in that, in order to enable the damping bin (14) to hover at the center position of the moving range on the central guide shaft (18), the damping system is designed such that the buoyancy of the damping system is greater than the gravity when the counterweight (15) is not included, the weight of the damping system is greater than the buoyancy when the counterweight (15) is mounted, and the moving range of the counterweight (15) is limited by the limiting mechanism (17).
4. The hydraulic mass transfer floating wave energy power generation device according to claim 3, characterized in that upper and lower limiters (12.1) and (12.2) are mounted on the central guide shaft to limit the amplitude of movement of the damping system.
5. The hydraulic mass transfer floating wave energy power generation device according to claim 1, 2 or 3, characterized in that the damping silo (14) is a container filled with liquid, and the mass of the damping system can be adjusted by adjusting the filling amount of the liquid.
6. The hydraulic mass transfer floating wave energy power generation device according to claim 1, 2 or 3, characterized in that the energy output end of the hydraulic motor or water turbine 3 of the hydraulic power generation system is connected with the engine (4), the liquid inlet and outlet ends of the hydraulic motor or water turbine (3) are respectively connected with the liquid inlet and outlet of the hydraulic cylinder body (9) through pipelines, and the flow direction of the liquid is controlled through a plurality of one-way valves arranged on the pipelines, so that when water is injected or extracted from the hydraulic cylinder, the liquid flow direction of the hydraulic motor or water turbine (3) is kept unchanged, the hydraulic motor or water turbine (3) is kept to rotate in one direction, and the engine (4) is driven to generate power.
7. The hydraulic mass transfer floating wave power generation device according to claim 6, wherein the inlet and outlet ends of the hydraulic motor or water turbine (3) are respectively provided with a first and a second one-way valve (8.1, 8.2), and then are respectively connected with the inlet and outlet of the hydraulic cylinder through a pipeline, at least one hydraulic cylinder is provided, and when two or more hydraulic cylinders are provided, the inlet and outlet of all the hydraulic cylinders are converged together through a converging pipe; the liquid inlet end and the liquid outlet end of the hydraulic motor or the water turbine (3) are respectively provided with a third one-way valve (8.3) and a fourth one-way valve (8.4) and are simultaneously connected with the water storage tank (7) through pipelines; when the hydraulic cylinder pushes out liquid, the liquid outlet of the hydraulic cylinder is converged together through the converging pipe, and the liquid flows through the first one-way valve (8.1), the hydraulic motor or the hydraulic turbine (3), the fourth one-way valve (8.4) and finally flows into the water storage tank (7); when the hydraulic cylinder sucks liquid, the liquid flows out of the water storage tank (7), flows through the third one-way valve (8.3) -the hydraulic motor or the water turbine (3) -the second one-way valve (8.2) -finally flows into the hydraulic cylinder through the convergence pipe respectively.
8. The hydraulic mass transfer floating type wave energy power generation device according to claim 6 or 7, characterized in that the hydraulic power generation system further comprises a high-pressure energy accumulator (5) and a low-pressure energy accumulator (6), the high-pressure energy accumulator (5) and the low-pressure energy accumulator (6) are respectively connected with pipelines at the liquid inlet end and the liquid outlet end of the hydraulic motor or the hydraulic turbine (3), the flow speed of liquid passing through the hydraulic motor or the hydraulic turbine is stabilized, the peak clipping and valley filling effects are achieved for energy conversion, and the energy conversion efficiency is improved.
9. The hydraulic mass transfer floating wave power generation device according to claim 6 or 7, characterized in that the water storage tank (7) can be an open air-to-atmosphere connection or a closed container with a certain volume of air.
10. The hydraulic mass transfer floating wave energy power generation device according to claim 1, 2 or 3, characterized in that the hydraulic cylinder is placed upside down at the bottom of the floating bin and is in a liquid environment, and the hydraulic cylinder is simultaneously fixed on the central guide shaft (18) to ensure that the piston rod (11) connected with the damping system drives the hydraulic piston (10) to move linearly in the hydraulic cylinder body (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505194.2A CN112610394A (en) | 2020-12-18 | 2020-12-18 | Hydraulic mass transfer floating type wave power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011505194.2A CN112610394A (en) | 2020-12-18 | 2020-12-18 | Hydraulic mass transfer floating type wave power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112610394A true CN112610394A (en) | 2021-04-06 |
Family
ID=75241156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011505194.2A Pending CN112610394A (en) | 2020-12-18 | 2020-12-18 | Hydraulic mass transfer floating type wave power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112610394A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7465509B2 (en) | 2022-01-27 | 2024-04-11 | 国立大学法人 東京大学 | Foundation structure for offshore wind power generation facilities |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644225A (en) * | 2008-08-06 | 2010-02-10 | 北京三维正基科技有限公司 | Floating swing type wave energy conversion device |
| US20120317970A1 (en) * | 2009-11-26 | 2012-12-20 | Intentium As | Wave power plant |
| CN104329213A (en) * | 2014-10-20 | 2015-02-04 | 中国海洋大学 | Tide level self-adaption device of vibration floater wave power generation device |
| CN105464894A (en) * | 2016-01-14 | 2016-04-06 | 大连海事大学 | Multi-dimension vibration float type wave energy conversion device |
| CN205779449U (en) * | 2016-05-17 | 2016-12-07 | 中国海洋大学 | Combined oscillating floater wave energy generating set and TT&C system thereof |
| CN109477452A (en) * | 2016-06-13 | 2019-03-15 | 诺维奇股份公司 | Equipment for collecting energy from wave |
| CN110529330A (en) * | 2019-09-04 | 2019-12-03 | 中国人民解放军军事科学院系统工程研究院 | A kind of Wave energy generating system |
| US20190368461A1 (en) * | 2018-05-30 | 2019-12-05 | Murtech, Inc. | Wave Energy Converting Systems Using Internal Inertias and Optimized Floating Bodies Having a Water Head That Drives a Water Turbine at Stable Speed |
| US20200109694A1 (en) * | 2015-06-28 | 2020-04-09 | Vassilios Vamvas | Eccentrically Rotating Mass Turbine |
-
2020
- 2020-12-18 CN CN202011505194.2A patent/CN112610394A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101644225A (en) * | 2008-08-06 | 2010-02-10 | 北京三维正基科技有限公司 | Floating swing type wave energy conversion device |
| US20120317970A1 (en) * | 2009-11-26 | 2012-12-20 | Intentium As | Wave power plant |
| CN104329213A (en) * | 2014-10-20 | 2015-02-04 | 中国海洋大学 | Tide level self-adaption device of vibration floater wave power generation device |
| US20200109694A1 (en) * | 2015-06-28 | 2020-04-09 | Vassilios Vamvas | Eccentrically Rotating Mass Turbine |
| CN105464894A (en) * | 2016-01-14 | 2016-04-06 | 大连海事大学 | Multi-dimension vibration float type wave energy conversion device |
| CN205779449U (en) * | 2016-05-17 | 2016-12-07 | 中国海洋大学 | Combined oscillating floater wave energy generating set and TT&C system thereof |
| CN109477452A (en) * | 2016-06-13 | 2019-03-15 | 诺维奇股份公司 | Equipment for collecting energy from wave |
| US20190368461A1 (en) * | 2018-05-30 | 2019-12-05 | Murtech, Inc. | Wave Energy Converting Systems Using Internal Inertias and Optimized Floating Bodies Having a Water Head That Drives a Water Turbine at Stable Speed |
| CN110529330A (en) * | 2019-09-04 | 2019-12-03 | 中国人民解放军军事科学院系统工程研究院 | A kind of Wave energy generating system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7465509B2 (en) | 2022-01-27 | 2024-04-11 | 国立大学法人 東京大学 | Foundation structure for offshore wind power generation facilities |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2322792B1 (en) | An oceanic wave energy utilization system | |
| CN201810470U (en) | Combined device for generating power by utilizing wave energy and tide energy | |
| CN203532151U (en) | Wave power generation device for ocean islands | |
| CN103485971A (en) | Ocean island wave power generation device | |
| KR101015204B1 (en) | An air compressor using wave-force | |
| CN103590965B (en) | Oscillating float type wave power generation device | |
| WO2013056587A1 (en) | Energy collector | |
| CN109421898A (en) | A kind of wave energy and solar energy composite are powered navigation mark | |
| CN204283718U (en) | Bilateral one-way hydraulic formula oscillating water column type wave energy generating set | |
| CN202510276U (en) | Floater push type wave energy power generation device | |
| CN203702448U (en) | Tide-driven compressed gas power-generating device | |
| CN203146213U (en) | Wave flow universal type double-acting boosting generating set | |
| CN112610394A (en) | Hydraulic mass transfer floating type wave power generation device | |
| CN201982237U (en) | Wave energy conversion device and wave energy conversion system | |
| CN202250579U (en) | Piston-type wave power generation device | |
| CN202417804U (en) | Seawater compression generating set | |
| CN209586580U (en) | A kind of wave energy generating set | |
| CN108386308A (en) | A kind of ocean power generation device | |
| US20150076826A1 (en) | Method and system for generating green energy from a tidal body of water | |
| CN101302988B (en) | Wave power generating system | |
| CN114893373A (en) | Gravity perpetual motion instrument | |
| CN109944732B (en) | Energy storage type sea wave power station | |
| CN203515951U (en) | Lifting type vibrating hydrofoil tidal current energy capturing power generating device | |
| CN202417803U (en) | Sea tide pressure power generation device | |
| CN206988015U (en) | Tidal energy TRT |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210406 |