CN111648904B - Sea wave power generation device - Google Patents
Sea wave power generation device Download PDFInfo
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- CN111648904B CN111648904B CN202010546252.XA CN202010546252A CN111648904B CN 111648904 B CN111648904 B CN 111648904B CN 202010546252 A CN202010546252 A CN 202010546252A CN 111648904 B CN111648904 B CN 111648904B
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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)
- General Engineering & Computer Science (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
A wave power generation device comprises a wave collecting angle arranged along a shore, wherein the wave collecting angle is constructed from the shore to land to form a triangular area for containing seawater; a support is arranged close to the wave-gathering angle and connected with a buoyancy structure, the buoyancy structure is in transmission connection with a first hydraulic transmission structure, the first hydraulic transmission structure is communicated with a second hydraulic transmission structure, and the second hydraulic transmission structure is in transmission connection with a power generation structure; the buoyancy structure comprises a buoy, and the buoy is positioned in the wave gathering angle and close to the end part of the wave gathering angle; the end part of the wave-gathering angle is arc-shaped, and the radius of the arc-shaped end part of the wave-gathering angle is larger than that of the buoy. The scheme has the beneficial effects that the scheme is described, the structure is simple, the design is reasonable, the energy of sea waves can be effectively utilized to generate electricity, and the scheme is safe and environment-friendly; besides the buoy, other equipment is positioned in the seawater, so that the corrosion can be reduced, and the service life of the equipment can be effectively prolonged.
Description
Technical Field
The invention relates to the field of green energy, in particular to a sea wave power generation device.
Background
Nowadays, the demand for electric power energy is increasing, and a large number of thermal power stations and the like are continuously operated for sufficient power supply, which causes great pollution to the atmospheric environment. And a large number of waves on idle coastlines are rough and are not utilized. Moreover, the energy of the sea waves is very strong and has enough utilization strength.
Disclosure of Invention
The invention provides a wave power generation device which is simple in structure, reasonable in design, safe and environment-friendly, and can effectively utilize the energy of waves to generate power aiming at the defects in the prior art.
In order to achieve the above object, the present invention provides a wave power generation apparatus, comprising a wave collecting angle arranged along a shore, wherein the wave collecting angle is constructed from a coast to land to form a triangular area for containing seawater;
a support is arranged close to the wave-gathering angle and connected with a buoyancy structure, the buoyancy structure is in transmission connection with a first hydraulic transmission structure, the first hydraulic transmission structure is communicated with a second hydraulic transmission structure, and the second hydraulic transmission structure is in transmission connection with a power generation structure;
the buoyant structure comprises a buoy located within and proximate to an end of the wave collection angle;
the end part of the wave-gathering angle is arc-shaped, and the radius of the arc-shaped end part of the wave-gathering angle is larger than that of the buoy.
The sea waves not only shake up and down, but also swing along the tangential direction and the vertical direction of the coastline. The wave gathering angle is arranged, so that the left-right and front-back swing of sea waves can be limited, and unnecessary stress concentration of equipment, such as stress concentration formed by torque of left-right swing of a hinge point of a connecting rod and a support, is avoided; secondly, the energy of the sea energy swinging left, right, front and back can be concentrated on the up-and-down floating by utilizing the rebound of the wave gathering angle, so that the driving energy of the equipment is enhanced.
The buoyancy structure further comprises a connecting rod, one end of the connecting rod is hinged to the support, and the other end of the connecting rod is hinged to the top of the buoy;
both ends of the connecting rod are bent downwards; this reduces interference with the ground.
And a support rod is arranged on the upper side of the connecting rod, and when the connecting rod rotates around a hinge point of the connecting rod and the support along with the up-and-down floating of the buoy, the motion trail of the end part of the support rod swings right above the hinge point of the connecting rod and the support.
The movement track of the end of the strut swings right above the hinge point, so that the up-and-down movement range of the end of the strut can be reduced as much as possible, and the radial stress of related equipment such as a piston rod mentioned later is reduced.
The first hydraulic transmission structure comprises a first cavity, a first piston is arranged in the first cavity, the other end of a piston rod of the first piston is hinged with a transmission rod, and the other end of the transmission rod is hinged with the end part of the supporting rod;
when the end of the supporting rod swings, the other end of the transmission rod swings up and down on the axis of the piston rod.
The other end of the transmission rod swings up and down on the axis of the piston rod in cooperation with the setting of the swing range of the end part of the supporting rod, and the up-and-down movement range of the other end of the transmission rod is also reduced as much as possible, so that the radial stress of related equipment such as the piston rod mentioned later is reduced.
Furthermore, a guide block is arranged between the other end of the piston rod and the first cavity, and the piston rod penetrates through the guide block and is in sliding connection with the guide block.
Because the first cavity and the piston rod are in dynamic seal, the radial force of the piston rod and the first cavity can be reduced by arranging the guide block, and therefore a leakage gap is prevented from being formed between the piston rod and the first cavity.
Furthermore, the first cavity is communicated with a second cavity, and two ends of the first cavity and the second cavity are respectively provided with a first communicating hole;
the first through hole is provided with a first hole seal in the shape of a part of spherical surface, and the shape of the first through hole is matched with the first hole seal;
the spherical part of the first hole seal faces the second cavity, the spherical part of the first hole seal is connected with a tension spring, and the other end of the tension spring is connected with the inner wall of the second cavity;
the second cavity is provided with a water inlet hole.
The first cavity is communicated with a third cavity, and two ends of the first cavity and the third cavity are respectively provided with a second communicating hole;
the second communication hole is provided with a second hole seal in a partial spherical shape, and the shape of the second communication hole is matched with that of the second hole seal;
the spherical part of the second hole seal faces the first cavity, the back of the spherical part of the second hole seal is connected with a first spring, and the other end of the first spring is connected with the inner wall of the third cavity;
and the third cavity is provided with a water outlet hole which is communicated with the second hydraulic transmission structure.
No matter the tension spring or the first spring is arranged in the first cavity with the first piston moving. The connection relation and the one-way sealing relation of the first cavity, the second cavity and the third cavity can ensure that water outlet holes produce work when sea waves swell; and when the sea waves descend, the gravity of the buoy and the connecting rod can still drive the water outlet hole to discharge water to do work.
Further, the third cavity is communicated with a plurality of buffer chambers;
the buffer chamber is provided with a second piston, the second piston is connected with a second spring, and the other end of the second spring is connected with one end of the buffer chamber, which is back to the third cavity;
the elastic modulus of the second spring is different among the buffer chambers.
The buffer chamber is arranged to continuously protect the equipment from being over-pressurized, and the change range of the water outlet speed of the water outlet hole can be reduced due to the energy absorption and release of the second spring, so that the working stability of the water flow is improved.
The elastic modulus of the second spring is different, so that better buffering and more energy absorption can be obtained. Because, at lower pressures, springs with lower modulus of elasticity can be effectively compressed, thereby achieving cushioning and energy absorption. When the pressure is higher, the spring with lower elastic modulus is easily compressed to the limit, and at this time, the spring with higher elastic modulus is needed to continue buffering and absorbing energy.
Preferably, the second hydraulic transmission structure comprises a hydraulic pump, the hydraulic pump is in transmission connection with a transmission, and the transmission is in transmission connection with the power generation structure.
Preferably, the second hydraulic transmission structure comprises a nozzle, a turbine is arranged in cooperation with the nozzle, and the turbine is in transmission connection with the power generation structure.
The scheme has the beneficial effects that the scheme is simple in structure and reasonable in design, can effectively utilize the energy of sea waves to generate electricity, and is safe and environment-friendly; besides the buoy, other equipment is positioned in the seawater, so that the corrosion can be reduced, and the service life of the equipment can be effectively prolonged.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a view of FIG. 1 from the side of part A;
FIG. 3 is a view of FIG. 1 from the B position;
in the figure, 1, the wave convergence angle; 2. a buoyant structure; 3. a first hydraulic transmission structure; 4. a float; 5. a connecting rod; 6. a strut; 7. a hinge point; 8. a first cavity; 9. a first piston; 10. a piston rod; 11. a transmission rod; 12. a guide block; 13. a second cavity; 14. a first communication hole; 15. a first hole seal; 16. a tension spring; 17. a water inlet hole; 18. a third cavity; 19. a second communication hole; 20. sealing the second hole; 21. a first spring; 22. a water outlet hole; 23. a buffer chamber; 24. a second piston; 25. a second spring.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
Example 1
As shown in fig. 1 to 3, the present embodiment is a wave power generating apparatus, including a wave collecting angle 1 disposed along a shore, wherein the wave collecting angle 1 is constructed from a coast to a land to form a triangular area for containing seawater;
a support is arranged close to the wave collecting angle 1, the support is connected with a buoyancy structure 2, the buoyancy structure 2 is in transmission connection with a first hydraulic transmission structure 3, the first hydraulic transmission structure 3 is communicated with a second hydraulic transmission structure, and the second hydraulic transmission structure is in transmission connection with a power generation structure;
the buoyancy structure 2 comprises a buoy 4, the buoy 4 is positioned in the wave gathering angle 1 and close to the end part of the wave gathering angle 1;
the end part of the wave-collecting angle 1 is arc-shaped, and the radius of the arc-shaped end part of the wave-collecting angle 1 is larger than that of the buoy 4.
The sea waves not only shake up and down, but also swing along the tangential direction and the vertical direction of the coastline. The wave gathering angle 1 is arranged, so that the left-right back-and-forth swing of sea waves can be limited, and unnecessary stress concentration of equipment is avoided; secondly, the energy of the sea energy swinging left, right, front and back can be concentrated on the up-and-down floating by utilizing the rebounding of the wave gathering angle 1, so that the driving energy of the equipment is enhanced.
The buoyancy structure 2 further comprises a connecting rod 5, one end of the connecting rod 5 is hinged to the support, and the other end of the connecting rod 5 is hinged to the top of the buoy 4;
both ends of the connecting rod 5 are bent downwards; this reduces interference with the ground.
The connecting rod 5 is provided with a support rod 6 at the upper side, and when the connecting rod 5 rotates around a hinge point 7 of the connecting rod 5 and the support along with the up-and-down floating of the buoy 4, the motion trail of the end part of the support rod 6 swings right above the hinge point 7 of the connecting rod 5 and the support.
The motion track of the end part of the strut 6 swings right above the hinge point 7, so that the up-down moving range of the end part of the strut 6 can be reduced as much as possible, and the radial stress of related equipment is reduced.
The first hydraulic transmission structure 3 comprises a first cavity 8, a first piston 9 is arranged in the first cavity 8, the other end of a piston rod 10 of the first piston 9 is hinged with a transmission rod 11, and the other end of the transmission rod 11 is hinged with the end part of the supporting rod 6;
when the end of the strut 6 swings, the other end of the transmission rod 11 swings up and down on the axis of the piston rod 10.
The other end of the transmission rod 11 swings up and down on the axis of the piston rod 10 by matching with the swing range of the end part of the supporting rod 6, and the up-and-down movement range of the other end of the transmission rod 11 is also reduced as much as possible, so that the radial stress of related equipment is reduced.
The first cavity is provided with a guide block 12 between the other end of the piston rod 10, and the piston rod 10 passes through the guide block 12 and is connected with the guide block 12 in a sliding manner.
Because the first cavity 8 and the piston rod 10 are in dynamic seal, the arrangement of the guide block 12 can reduce the radial force between the piston rod 10 and the first cavity 8, thereby avoiding the formation of a leakage gap between the piston rod 10 and the first cavity 8.
The first cavity 8 is communicated with a second cavity 13, and two ends of the first cavity 8 and the second cavity 13 are respectively provided with a first communicating hole 14;
the first communication hole 14 is provided with a first hole seal 15 in the shape of a partial spherical surface, and the shape of the first communication hole 14 is matched with the first hole seal 15;
the spherical part of the first hole seal 15 faces the second cavity 13, the spherical part of the first hole seal 15 is connected with a tension spring 16, and the other end of the tension spring 16 is connected with the inner wall of the second cavity 13;
the second chamber 13 is provided with a water inlet 17.
The first cavity 8 is communicated with a third cavity 18, and two ends of the first cavity 8 and the third cavity 18 are respectively provided with a second communicating hole 19;
the second communication hole 19 is provided with a second hole seal 20 in the shape of a partial sphere, and the shape of the second communication hole 19 is matched with the second hole seal 20;
the spherical part of the second pore seal 20 faces the first cavity 8, the back of the spherical part of the second pore seal 20 is connected with a first spring 21, and the other end of the first spring 21 is connected with the inner wall of the third cavity 19;
the third cavity 18 is provided with a water outlet 22, and the water outlet 22 is communicated with the second hydraulic transmission structure.
Neither the tension spring 16 nor the first spring 21 is arranged in the first chamber 9 in which the first piston 9 is movable. The connection relation and the one-way sealing relation of the first cavity 9, the second cavity 13 and the third cavity 18 can ensure that water outlet holes can work when sea waves swell; and when the sea waves descend, the gravity of the buoy 4 and the connecting rod 5 can still drive the water outlet hole to discharge water to do work.
The third cavity 18 is communicated with a plurality of buffer chambers 23;
the buffer chamber 23 is provided with a second piston 24, the second piston 24 is connected with a second spring 25, and the other end of the second spring 25 is connected with one end of the buffer chamber 23, which is back to the third cavity 18;
the elastic modulus of the second springs 25 of different buffer chambers 23 is different.
The buffer chamber 23 is arranged to continuously protect the equipment from being over-pressurized, and the change range of the water outlet speed of the water outlet hole can be reduced due to the energy absorption and release of the second spring 25, so that the working stability of water flow is improved.
The elastic modulus of the second spring 25 is different, so that better buffering and more energy absorption can be achieved. Because, at lower pressures, springs with a lower modulus of elasticity can be effectively compressed, thereby achieving cushioning and energy absorption. When the pressure is high, the spring with low elastic modulus is easily compressed to the limit, and at the moment, the spring with high elastic modulus is required to continue buffering and absorbing energy.
The second hydraulic transmission structure comprises a hydraulic pump, the hydraulic pump is connected with a speed changer in a transmission mode, and the speed changer is connected with a power generation structure in a transmission mode.
Example 2
The difference from the embodiment 1 is that the second hydraulic transmission structure of the embodiment 2 includes a nozzle, a turbine is arranged in cooperation with the nozzle, and the turbine is in transmission connection with the power generation structure.
The technical features of the present invention, which are not described in the present application, can be implemented by or using the prior art, and are not described herein again, of course, the above description is not limited to the above examples, and the present invention is not limited to the above examples, and variations, modifications, additions or substitutions that can be made by a person skilled in the art within the spirit of the present invention also belong to the protection scope of the present invention.
Claims (4)
1. A wave power generation device is characterized by comprising a wave collecting angle arranged along a shore, wherein the wave collecting angle is constructed from the shore to land to form a triangular area for containing seawater;
a support is arranged close to the wave-gathering angle, the support is connected with a buoyancy structure, the buoyancy structure is in transmission connection with a first hydraulic transmission structure, the first hydraulic transmission structure is communicated with a second hydraulic transmission structure, and the second hydraulic transmission structure is in transmission connection with a power generation structure;
the buoyant structure comprises a buoy located within and proximate to an end of the wave gathering angle;
the end part of the wave-gathering angle is arc-shaped, and the radius of the arc-shaped end part of the wave-gathering angle is larger than that of the buoy;
the buoyancy structure further comprises a connecting rod, one end of the connecting rod is hinged to the support, and the other end of the connecting rod is hinged to the top of the buoy;
both ends of the connecting rod are bent downwards;
a support rod is arranged on the upper side of the connecting rod, and when the connecting rod rotates around a hinge point of the connecting rod and the support along with the up-and-down floating of the buoy, the motion trail of the end part of the support rod swings right above the hinge point of the connecting rod and the support;
the first hydraulic transmission structure comprises a first cavity, a first piston is arranged in the first cavity, the other end of a piston rod of the first piston is hinged with a transmission rod, and the other end of the transmission rod is hinged with the end part of the supporting rod;
when the end part of the supporting rod swings, the other end of the transmission rod swings up and down on the axis of the piston rod;
the first cavity is communicated with a second cavity, and two ends of the first cavity and the second cavity are respectively provided with a first communicating hole;
the first through hole is provided with a first hole seal in the shape of a part of spherical surface, and the shape of the first through hole is matched with the first hole seal;
the spherical part of the first hole seal faces the second cavity, the spherical part of the first hole seal is connected with a tension spring, and the other end of the tension spring is connected with the inner wall of the second cavity;
the second cavity is provided with a water inlet hole;
the first cavity is communicated with a third cavity, and two ends of the first cavity and the third cavity are respectively provided with a second communicating hole;
the second communication hole is provided with a second hole seal in a partial spherical shape, and the shape of the second communication hole is matched with that of the second hole seal;
the spherical part of the second hole seal faces the first cavity, the back of the spherical part of the second hole seal is connected with a first spring, and the other end of the first spring is connected with the inner wall of the third cavity;
the third cavity is provided with a water outlet hole which is communicated with the second hydraulic transmission structure;
the third cavity is communicated with a plurality of buffer chambers;
the buffer chamber is provided with a second piston, the second piston is connected with a second spring, and the other end of the second spring is connected with one end, back to the third cavity, of the buffer chamber;
the elastic modulus of the second spring is different for different buffer chambers.
2. An ocean wave power plant according to claim 1, wherein a guide block is provided between the other end of the piston rod of the first chamber, and the piston rod passes through the guide block and is slidably connected with the guide block.
3. An ocean wave power plant according to claim 1, wherein the second hydraulic drive structure includes a hydraulic pump drivingly connected with a transmission drivingly connected with the power generating structure.
4. An ocean wave power plant according to claim 1, wherein the second hydraulic drive structure includes a nozzle, a turbine is provided in cooperation with the nozzle, and the turbine is drivingly connected to the power generating structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546252.XA CN111648904B (en) | 2020-06-16 | 2020-06-16 | Sea wave power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010546252.XA CN111648904B (en) | 2020-06-16 | 2020-06-16 | Sea wave power generation device |
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| Publication Number | Publication Date |
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| CN111648904A CN111648904A (en) | 2020-09-11 |
| CN111648904B true CN111648904B (en) | 2022-08-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010546252.XA Active CN111648904B (en) | 2020-06-16 | 2020-06-16 | Sea wave power generation device |
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Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4454429A (en) * | 1982-12-06 | 1984-06-12 | Frank Buonome | Method of converting ocean wave action into electrical energy |
| KR101017303B1 (en) * | 2009-02-13 | 2011-02-28 | 청호파워텍(주) | generator using force of wave |
| DE102017000278A1 (en) * | 2017-01-13 | 2018-07-19 | Rüdiger Ufermann | "Macroeconomic Onshore and Offshore Marine Wave Power Plant" |
| US20200062350A1 (en) * | 2018-01-02 | 2020-02-27 | Dalian University Of Technology | A very large floating structure based on modular units and a combined mooring system |
| CN111022243B (en) * | 2019-12-31 | 2020-09-25 | 中国海洋大学 | Combined duck type wave energy power generation device and power generation method |
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Effective date of registration: 20220805 Address after: Plant No. 2, Smart Grid Industrial Park, Xiyi High-tech Zone, Xinyi City, Xuzhou City, Jiangsu Province, 221000 Applicant after: Jiangchai engine Xuzhou Co.,Ltd. Address before: 250100 ground floor, building 11, Guidu garden, Shizhong District, Jinan City, Shandong Province Applicant before: SHANDONG CAIYUANHEXIN ENERGY EFFICIENCY PROJECT CO.,LTD. |
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