CN114593006A - Multi-body energy-gathering type wave energy power generation device - Google Patents
Multi-body energy-gathering type wave energy power generation device Download PDFInfo
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- CN114593006A CN114593006A CN202210252723.5A CN202210252723A CN114593006A CN 114593006 A CN114593006 A CN 114593006A CN 202210252723 A CN202210252723 A CN 202210252723A CN 114593006 A CN114593006 A CN 114593006A
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- 238000010248 power generation Methods 0.000 title claims abstract description 61
- 238000007667 floating Methods 0.000 claims abstract description 92
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000007704 transition Effects 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 238000005192 partition Methods 0.000 claims description 36
- 230000001105 regulatory effect Effects 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 239000011159 matrix material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000035772 mutation Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000011217 control strategy Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- 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"
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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
- 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
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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
- 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
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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
Abstract
The invention discloses a multi-body energy-gathering type wave energy power generation device which comprises a wave-absorbing floating body, a matrix floating body, a transmission mechanism, a power generation system and a control system, wherein the wave-absorbing floating body is provided with an upper water section, a transition section and a lower water section, and the transition section is positioned between the upper water section and the lower water section; the upper water section is provided with a first convex curved surface, a concave curved surface is formed between the transition section and the lower water section, and the lower water section is provided with a second convex curved surface; wherein the curvature of the second convex curved surface is greater than the curvature of the first convex curved surface, the curvature of the concave curved surface is less than the curvature of the second convex curved surface, and the curvature of the concave curved surface is greater than the curvature of the first convex curved surface; this many bodies gather ability type wave energy power generation facility's ripples body of inhaling has first convex curved surface, concave curved surface and the convex curved surface of second for the middle part of inhaling the ripples body has great camber sudden change, has to have on the profile outward and exceeds to be outer convex, can obtain excellent hydrodynamic force performance.
Description
Technical Field
The invention relates to the technical field of power generation equipment, in particular to a multi-body energy-gathering type wave energy power generation device.
Background
In wave energy development, the effective wave height of 1.3m-4.0m is generally called the usable wave height of wave energy development. However, the wave energy of the common waves in the south China sea area is 0.5m-2.5m, the existing wave energy power generation device is low in wave energy capture efficiency, and partial wave resources are difficult to utilize, so that improvement is needed.
Disclosure of Invention
The invention provides a multi-body energy-gathering type wave energy power generation device for solving the technical problems.
In order to solve the problems, the invention adopts the following technical scheme:
a multi-body energy-gathering type wave energy power generation device comprises a wave-absorbing floating body, a base body floating body, a transmission mechanism, a power generation system and a control system, wherein the wave-absorbing floating body is provided with an upper section, a transition section and a lower section, and the transition section is positioned between the upper section and the lower section; wherein the upper water section has a first convex curved surface, the transition section has a concave curved surface, and the lower water section has a second convex curved surface; the curvature of the second convex curved surface is greater than that of the first convex curved surface, the curvature of the concave curved surface is less than that of the second convex curved surface, and the curvature of the concave curved surface is greater than that of the first convex curved surface.
In the multi-body energy-gathering type wave energy power generation device provided by at least one embodiment of the present disclosure, the first convex curved surface, the second convex curved surface, and the concave curved surface are all revolution surfaces.
In the multi-body energy-gathering type wave energy power generation device provided by at least one embodiment of the present disclosure, a maximum vertical distance between the first convex curved surface and the central axis of the wave-absorbing floating body is greater than a maximum vertical distance between the second convex curved surface and the central axis of the wave-absorbing floating body.
In the multi-body energy-gathered wave energy power generation device provided by at least one embodiment of the present disclosure, a maximum vertical distance between the concave curved surface and the central axis of the wave absorbing floating body is smaller than a maximum vertical distance between the second convex curved surface and the central axis of the wave absorbing floating body.
In the multi-body energy-gathered wave energy power generation device provided by at least one embodiment of the disclosure, a main ballast tank, an auxiliary ballast tank and a drainage tank are arranged in the wave-absorbing floating body; the wave-absorbing floating body is internally provided with a first regulating valve and a second regulating valve, the main ballast tank and the auxiliary ballast tank are connected through the first regulating valve, and the main ballast tank and the drainage tank are connected through the second regulating valve; a drainage pump is arranged in the drainage cabin, a drainage valve is also arranged on the wave-absorbing floating body, and the drainage valve is connected with the drainage cabin; the wave-absorbing floating body is also provided with a water inlet valve, and the water inlet valve is connected with the main ballast tank.
In the multi-body energy-gathered wave energy power generation apparatus provided in at least one embodiment of the present disclosure, the wave absorbing float further includes: a first exhaust valve and a second exhaust valve; the first exhaust valve is used for exhausting gas in the main ballast chamber into the auxiliary ballast chamber; and the second exhaust valve is used for exhausting the gas in the secondary ballast cabin to the outside.
In the multi-body energy-gathered wave energy power generation device provided by at least one embodiment of the present disclosure, the top surface and the bottom surface of the base body floating body are both perpendicular to the central axis of the wave-absorbing floating body, and at least part or all of the wave-absorbing floating body is located in the base body floating body.
In the multi-body energy-gathered wave energy power generation device provided by at least one embodiment of the present disclosure, a first partition plate and a second partition plate are provided in the wave-absorbing floating body, the first partition plate and the second partition plate are both fixedly connected to the wave-absorbing floating body, the primary ballast tank is located between the first partition plate and the second partition plate, the secondary ballast tank is located above the first partition plate, the drainage tank is located below the second partition plate, the primary ballast tank and the secondary ballast tank are configured to be separated by the first partition plate, and the primary ballast tank and the drainage tank are configured to be separated by the second partition plate.
At least one embodiment of the present disclosure provides a multi-body energy concentrating wave energy power generation device, wherein the first exhaust valve and the first regulating valve are both mounted on the first partition plate, and the second regulating valve is mounted on the second partition plate.
In the multi-body energy-gathered wave energy power generation device provided by at least one embodiment of the present disclosure, the second exhaust valve is located at the top end of the wave-absorbing floating body, and the drain valve is located at the bottom end of the wave-absorbing floating body.
The invention has the beneficial effects that: the wave-absorbing floating body is provided with a first convex curved surface, a concave curved surface and a second convex curved surface, so that the middle part of the wave-absorbing floating body has larger curvature mutation, and has more outward convex shapes on the external outline, and excellent hydrodynamic performance can be obtained.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a view of a multi-body energy-gathering type wave energy power generation device of the invention.
Fig. 2 is a perspective view of a multi-body energy-gathering type wave energy power generation device.
Fig. 3 is a partial use state diagram of the multi-body energy-gathering type wave energy power generation device.
Fig. 4 is a partial structure schematic diagram of the multi-body energy-gathering type wave energy power generation device.
Fig. 5 is a schematic diagram of the internal structure of the wave-absorbing floating body of the multi-body energy-gathering type wave power generation device.
Fig. 6 is a distribution schematic diagram of an upper water section, a transition section and a lower water section of the multi-body energy-gathering type wave power generation device.
Fig. 7 is a perspective view of the base body floating body of the multi-body energy-gathering type wave energy power generation device.
In the figure:
10. a wave-absorbing floating body; 11. an above-water section; 12. a transition section; 13. a water lower section; 111. a first convex curved surface; 121. a concave curved surface; 131. a second convex curved surface; 14. a first regulating valve; 15. a second regulating valve; 16. draining pump; 17. a first separator; 18. a second separator; 19. a drain valve;
20. a basal body floating body; 21. a buoyancy compartment; 22. an upper deck; 23. supporting a foundation; 24. a support pillar; 221. a linear bearing; 222. a support; 28. (ii) a 29. (ii) a
30. A transmission mechanism; 31. a first vertical axis; 32. a first linkage shaft; 33. a connecting rod; 34. a second vertical axis; 35. a second linkage shaft; 331. a profiled groove;
40. a power generation system; 41. a hydraulic cylinder; 42. a one-way valve; 43. an overflow valve; 44. an electromagnetic control valve; 45. a hydraulic motor; 46. a generator; 47. (ii) a 48. (ii) a 49. (ii) a
50. A main ballast tank;
60. an auxiliary ballast tank;
70. a drainage chamber;
80. a first exhaust valve;
90. a second exhaust valve.
Detailed Description
The technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, and not all of the embodiments.
In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In addition, in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, terms such as installation, connection, and connection, etc., are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
At least one embodiment of the present disclosure provides a multi-body energy-gathering type wave energy power generation device, which includes a wave-absorbing floating body, a base body floating body, a transmission mechanism, a power generation system and a control system, wherein the wave-absorbing floating body has an upper section, a transition section and a lower section, and the transition section is located between the upper section and the lower section; wherein the upper water section has a first convex curved surface, the transition section has a concave curved surface, and the lower water section has a second convex curved surface; the curvature of the second convex curved surface is greater than that of the first convex curved surface, the curvature of the concave curved surface is less than that of the second convex curved surface, and the curvature of the concave curved surface is greater than that of the first convex curved surface. The wave-absorbing floating body is provided with a first convex curved surface, a concave curved surface and a second convex curved surface, so that the middle part of the wave-absorbing floating body has larger curvature mutation, and has more outward convex shapes on the external outline, thereby obtaining excellent hydrodynamic performance
At least one embodiment of the present disclosure provides a multi-body energy-gathering type wave energy power generation device, wherein the first convex curved surface, the second convex curved surface, and the concave curved surface are all revolution surfaces.
At least one embodiment of the present disclosure provides a multi-body energy-gathered wave energy power generation apparatus, wherein a maximum vertical distance between the first convex curved surface and the central axis of the wave absorbing floating body is greater than a maximum vertical distance between the second convex curved surface and the central axis of the wave absorbing floating body.
At least one embodiment of the present disclosure provides a multi-body energy-gathered wave energy power generation apparatus, wherein a maximum vertical distance between the concave curved surface and the central axis of the wave absorbing floating body is smaller than a maximum vertical distance between the second convex curved surface and the central axis of the wave absorbing floating body.
At least one embodiment of the present disclosure provides a multi-body energy-gathering type wave energy power generation device, wherein a main ballast tank, an auxiliary ballast tank and a drainage tank are arranged inside the wave-absorbing floating body; the wave-absorbing floating body is internally provided with a first regulating valve and a second regulating valve, the main ballast tank and the auxiliary ballast tank are connected through the first regulating valve, and the main ballast tank and the drainage tank are connected through the second regulating valve; a drainage pump is arranged in the drainage cabin, a drainage valve is also arranged on the wave-absorbing floating body, and the drainage valve is connected with the drainage cabin; the wave-absorbing floating body is also provided with a water inlet valve, and the water inlet valve is connected with the main ballast tank.
At least one embodiment of the present disclosure provides a multi-body energy-gathered wave energy power generation device, wherein the wave-absorbing float further includes: a first exhaust valve and a second exhaust valve; the first exhaust valve is used for exhausting gas in the main ballast chamber into the auxiliary ballast chamber; and the second exhaust valve is used for exhausting the gas in the auxiliary ballast tank to the outside.
At least one embodiment of the present disclosure provides a multi-body energy-gathered wave energy power generation device, wherein the top surface and the bottom surface of the base body floating body are both perpendicular to the central axis of the wave-absorbing floating body, and at least part or all of the wave-absorbing floating body is located in the base body floating body.
At least one embodiment of the present disclosure provides a multi-body energy-gathering type wave energy power generation device, wherein a first partition plate and a second partition plate are disposed in the wave-absorbing floating body, the first partition plate and the second partition plate are both fixedly connected to the wave-absorbing floating body, the primary ballast tank is located between the first partition plate and the second partition plate, the secondary ballast tank is located above the first partition plate, the drainage tank is located below the second partition plate, the primary ballast tank and the secondary ballast tank are configured to be separated by the first partition plate, and the primary ballast tank and the drainage tank are configured to be separated by the second partition plate.
At least one embodiment of the present disclosure provides a multi-body energy concentrating wave energy power generation device wherein the first exhaust valve and the first regulating valve are both mounted on the first partition plate, and the second regulating valve is mounted on the second partition plate.
At least one embodiment of the present disclosure provides a multi-body energy-gathered wave energy power generation device, wherein the second exhaust valve is located at the top end of the wave absorbing floating body, and the drain valve is located at the bottom end of the wave absorbing floating body.
The following generally describes a multi-body energy-gathering type wave energy power generation device according to an embodiment of the present disclosure with reference to the drawings.
As shown in fig. 1 to 7, a multi-body energy-gathering type wave energy power generation device according to at least one embodiment of the present disclosure includes a wave absorbing float 10, a base float 20, a transmission mechanism 30, a power generation system 40 and a control system (not shown); the wave-absorbing floating body 10 is provided with an upper water section 11, a transition section 12 and a lower water section 13, wherein the transition section 12 is positioned between the upper water section 11 and the lower water section 13; wherein, the upper water section 11 has a first convex curved surface 111, the transition section 12 has a concave curved surface 121, and the lower water section 13 has a second convex curved surface 131; the curvature of the second convex curved surface 131 is greater than the curvature of the first convex curved surface 111, the curvature of the concave curved surface 121 is less than the curvature of the second convex curved surface 131, and the curvature of the concave curved surface 121 is greater than the curvature of the first convex curved surface 111.
In the present embodiment, the first convex curved surface 111, the second convex curved surface 131, and the concave curved surface 121 are all revolution surfaces.
In this embodiment, the maximum vertical distance between the surface of the first convex curved surface 111 and the central axis of the wave-absorbing floating body 10 is greater than the maximum vertical distance between the surface of the second convex curved surface 131 and the central axis of the wave-absorbing floating body 10. The maximum vertical distance between the surface of the concave curved surface 121 and the central axis of the wave-absorbing floating body 10 is less than the maximum vertical distance between the surface of the second convex curved surface 131 and the central axis of the wave-absorbing floating body 10.
In the embodiment, the wave-absorbing floating body 10 is internally provided with a main ballast chamber 50, an auxiliary ballast chamber 60, a drainage chamber 70, a first exhaust valve 80 and a second exhaust valve 90; wherein, a first regulating valve 14 and a second regulating valve 15 are arranged in the wave-absorbing floating body 10, the main ballast tank 50 and the auxiliary ballast tank 60 are connected through the first regulating valve 14, and the main ballast tank 50 and the drainage tank 70 are connected through the second regulating valve 15; wherein, a drainage pump 16 is arranged in the drainage chamber 70, a drainage valve 19 is also arranged on the wave-absorbing floating body 10, and the drainage valve 19 is connected with the drainage chamber 70; wherein, the wave-absorbing floating body 10 is also provided with a water inlet valve which is connected with the main ballast tank 50;
the first vent valve 80 is used to vent gas from the primary ballast tank 50 to the secondary ballast tank 60; the second exhaust valve 90 is used for exhausting the gas in the secondary ballast tank 60 to the outside.
The top surface and the bottom surface of the base body floating body 20 are both vertical to the central axis of the wave-absorbing floating body 10, and part of the wave-absorbing floating body 10 is positioned in the base body floating body 20.
The wave-absorbing floating body 10 is internally provided with a first clapboard 17 and a second clapboard 18, the first clapboard 17 and the second clapboard 18 are fixedly connected with the wave-absorbing floating body 10, the main ballast tank 50 is positioned between the first clapboard 17 and the second clapboard 18, the auxiliary ballast tank 60 is positioned above the first clapboard 17, the drainage tank 70 is positioned below the second clapboard 18, the main ballast tank 50 and the auxiliary ballast tank 60 are configured to be separated by the first clapboard 17, and the main ballast tank 50 and the drainage tank 70 are configured to be separated by the second clapboard 18.
The first exhaust valve 80 and the first regulator valve 14 are both mounted on the first diaphragm 17, and the second regulator valve 15 is mounted on the second diaphragm 18.
The second exhaust valve 90 is positioned at the top end of the wave-absorbing floating body 10, and the drain valve 19 is positioned at the bottom end of the wave-absorbing floating body 10.
In this embodiment, the transmission mechanism 30 includes a first vertical shaft 31, a first linkage shaft 32, a connecting rod 33, a second vertical shaft 34 and a second linkage shaft 35.
In this embodiment, the base floating body 20 includes three cylindrical buoyancy chambers 21, an upper deck 22 and a support foundation 23, and the buoyancy chambers 21 are distributed in a triangle shape and fixedly disposed on the support foundation 23; the upper deck 22 is provided with three mounting holes (not shown), and the buoyancy cabin 21 penetrates through the mounting holes arranged on the upper deck 22 and is fixedly connected with the upper deck 22; the buoyancy tank 21 has a hollow structure and is provided with an adjustment port (not shown), and the draft of the base float 20 can be adjusted by pumping/discharging ballast water into/from the buoyancy tank 21. A support column 24 is arranged between the support base 23 and the upper deck 22, two ends of the support column 24 are respectively fixedly connected with the support base 23 and the upper deck 22, a perforation (not shown) is arranged on the upper deck 22, and a linear bearing 221 is assembled in the perforation. The upper deck 22 is provided with a stand-off 222.
In this embodiment, the middle of the upper end surface of the wave-absorbing floating body is fixedly connected to the first vertical shaft 31, and the first vertical shaft 31 passes through the linear bearing 221 and can reciprocate vertically relative to the upper deck 22. The first linkage shaft 32 is arranged at the upper end of the first vertical shaft 31 and penetrates through the first linkage shaft in the radial direction, and the first linkage shaft 32 can rotate around the axis of the first linkage shaft 31. The connecting rod 33 is provided with a groove 331; the first linkage shaft 32 is connected with the connecting rod 33 through a groove 331 and can slide in the groove 331. The hydraulic cylinder of the power generation system 40 is arranged on the upper deck 22, the upper end of the piston rod of the hydraulic cylinder is fixedly connected with the second vertical shaft 34, and the second vertical shaft 34 can vertically reciprocate in a plane under the limitation of the piston rod of the hydraulic cylinder. The second coupling shaft 35 is radially penetrated at the upper end of the second vertical shaft 34 and is rotatable about its own axis within the second vertical shaft 34. The second coupling shaft 35 is connected to the connecting rod 33 through the groove 331, and the second coupling shaft 35 is slidable in the groove 331. The support 222 is fixedly disposed on the upper deck 22. The link 33 is hinged to the support 222 and can rotate around the hinge point relative to the support 222.
In a further embodiment, not shown, the drain opening of the drain pump 16 is connected to the drain valve 19 by a pipe (not shown).
In yet another embodiment, not shown, the power generation system 40 is a mechanical-hydraulic PTO system, illustratively including hydraulic cylinders, check valves, spill valves, solenoid operated valves, an energy storage mechanism (not shown), a hydraulic motor, and a generator. The connecting rod can convert the vertical linear motion of the first vertical shaft into the vertical linear motion of the second vertical shaft. The second vertical shaft is fixedly connected with a piston rod of the hydraulic cylinder, so that mechanical energy of the vertical shaft is converted into pressure energy of hydraulic oil. The hydraulic motor and the generator can convert pressure energy into electric energy, and then the electric energy is connected to the grid through an external cable for power generation.
When in work:
under the action of waves, the wave-absorbing floating body moves upwards/downwards relative to the matrix floating body 20, and drives a first vertical shaft 31 fixedly connected with the wave-absorbing floating body to move upwards/downwards. The first linkage shaft 32 follows the first vertical shaft 31 to move up/down. First linkage shaft 32 drives link 33 to rotate clockwise/counterclockwise around the hinge point. The clockwise/counterclockwise rotation of the link 33 moves the second link shaft 35 upward/downward, and the second link shaft 35 moves the second vertical shaft 34 upward/downward. The second vertical shaft 34 drives the piston rod of the hydraulic cylinder 41 which is fixedly connected with the second vertical shaft to move upwards/downwards. Hydraulic oil is pumped into the accumulator. The mechanical transmission device consisting of the first vertical shaft 31, the first linkage shaft 32, the connecting rod 33, the second linkage shaft 35, the second vertical shaft 34, the hydraulic cylinder 41 and the support 222 converts the mechanical energy of the wave-absorbing floating body in reciprocating heave motion into hydraulic energy of a hydraulic system, amplifies the wave load borne by the wave-absorbing floating body based on the lever principle, and enables the device to drive the hydraulic power generation system to work under small waves.
Through the wave-absorbing floating body with the optimized shape, the wave-absorbing floating body motion and the wave motion are matched as much as possible to form an energy-gathering/resonance effect, so that the energy conversion efficiency is greatly improved. Based on the lever principle, the wave load is amplified, so that the device can drive the hydraulic power generation system to work under small waves, and the wave energy capture range is enlarged. The control strategy of three groups of hydraulic circuits for combined power generation is adopted, and the problem of intermittent power generation of the power generation system under the condition of small waves is solved.
In the description herein, references to the description of the term "present embodiment," "some embodiments," "other embodiments," or "specific examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present application have been shown and described above, the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included within the scope of the present invention; no element, act, or instruction used herein should be construed as critical or essential unless explicitly described as such.
Claims (10)
1. The utility model provides a multibody can type wave energy power generation facility, is including absorbing ripples body, base member body, drive mechanism, power generation system and control system, its characterized in that:
the wave-absorbing floating body is provided with an upper water section, a transition section and a lower water section, wherein the transition section is positioned between the upper water section and the lower water section;
wherein the upper water section has a first convex curved surface, the transition section has a concave curved surface, and the lower water section has a second convex curved surface;
the curvature of the second convex curved surface is greater than that of the first convex curved surface, the curvature of the concave curved surface is less than that of the second convex curved surface, and the curvature of the concave curved surface is greater than that of the first convex curved surface.
2. The multi-body energy concentrating wave energy power generation device according to claim 1, wherein the first convex curved surface, the second convex curved surface and the concave curved surface are all surfaces of revolution.
3. The multi-body energy-gathering type wave energy power generation device according to claim 1, wherein the maximum vertical distance between the first convex curved surface and the central axis of the wave-absorbing floating body is greater than the maximum vertical distance between the second convex curved surface and the central axis of the wave-absorbing floating body.
4. The multi-body energy-gathering type wave energy power generation device according to claim 1, wherein the maximum vertical distance between the concave curved surface and the central axis of the wave-absorbing floating body is smaller than the maximum vertical distance between the second convex curved surface and the central axis of the wave-absorbing floating body.
5. The multi-body energy-gathering wave energy power generation device according to claim 1, wherein a main ballast tank, an auxiliary ballast tank and a drainage tank are arranged inside the wave-absorbing floating body;
the wave-absorbing floating body is internally provided with a first regulating valve and a second regulating valve, the main ballast tank and the auxiliary ballast tank are connected through the first regulating valve, and the main ballast tank and the drainage tank are connected through the second regulating valve;
a drainage pump is arranged in the drainage cabin, a drainage valve is also arranged on the wave-absorbing floating body, and the drainage valve is connected with the drainage cabin;
the wave-absorbing floating body is also provided with a water inlet valve, and the water inlet valve is connected with the main ballast tank.
6. A multi-body energy concentrating wave energy power generation device according to claim 5, wherein the wave absorbing float further has:
the first exhaust valve is used for exhausting gas in the main ballast chamber into the auxiliary ballast chamber; and
and the second exhaust valve is used for exhausting the gas in the auxiliary ballast chamber to the outside.
7. The multi-body energy-gathering wave energy power generation device according to claim 1, wherein the top surface and the bottom surface of the base floating body are perpendicular to the central axis of the wave-absorbing floating body, and at least part or all of the wave-absorbing floating body is positioned in the base floating body.
8. The wave energy power generation device with multiple bodies and energy gathering type according to claim 7, characterized in that a first partition plate and a second partition plate are arranged in the wave absorbing floating body, the first partition plate and the second partition plate are fixedly connected with the wave absorbing floating body, the primary ballast tank is located between the first partition plate and the second partition plate, the secondary ballast tank is located above the first partition plate, the drainage tank is located below the second partition plate, the primary ballast tank and the secondary ballast tank are configured to be separated by the first partition plate, and the primary ballast tank and the drainage tank are configured to be separated by the second partition plate.
9. A multi-body energy concentrating wave energy power generation device according to claim 8, wherein the first exhaust valve and the first regulating valve are both mounted on the first partition and the second regulating valve is mounted on the second partition.
10. The multi-body energy-gathering wave energy power generation device according to claim 6, wherein the second exhaust valve is located at the top end of the wave-absorbing floating body, and the drain valve is located at the bottom end of the wave-absorbing floating body.
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| GB0900912D0 (en) * | 2009-01-20 | 2009-03-04 | Aquamarine Power Ltd | Power capture system and method |
| GB0906864D0 (en) * | 2009-02-07 | 2009-06-03 | Smith Alvin | A renewable energy method of extending and retracting a platform |
| WO2021203224A1 (en) * | 2020-04-07 | 2021-10-14 | 曲言明 | Wave generator doing work in one direction by using buoyancy |
| CN213807919U (en) * | 2020-10-12 | 2021-07-27 | 中山大学 | One-base-body type wave power generation device |
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