CN115140257A - Honeycomb-shaped wind and wave combined power generation platform - Google Patents
Honeycomb-shaped wind and wave combined power generation platform Download PDFInfo
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- CN115140257A CN115140257A CN202210728788.2A CN202210728788A CN115140257A CN 115140257 A CN115140257 A CN 115140257A CN 202210728788 A CN202210728788 A CN 202210728788A CN 115140257 A CN115140257 A CN 115140257A
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- 238000010248 power generation Methods 0.000 title claims abstract description 179
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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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
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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
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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
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/008—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with water energy converters, e.g. a water turbine
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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
- B63B21/00—Tying-up; Shifting, towing, or pushing equipment; Anchoring
- B63B21/50—Anchoring arrangements or methods for special vessels, e.g. for floating drilling platforms or dredgers
- B63B2021/505—Methods for installation or mooring of floating offshore platforms on site
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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
- B63B2035/446—Floating structures carrying electric power plants for converting wind energy into electric energy
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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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E10/70—Wind energy
- Y02E10/727—Offshore wind turbines
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Abstract
The invention discloses a honeycomb-shaped wind wave combined power generation platform. The wave energy power generation units are arranged in a periodic array to form a wave energy power generation network with a honeycomb structure, the offshore wind power module is connected with the wave energy power generation network, and the offshore wind power module and the wave energy power generation network are installed on the mooring system; the offshore wind power module is electrically connected with the wave energy power generation network; the horizontal shaft fan is arranged at the top end of the fan tower cylinder, and the lower part of the fan tower cylinder is provided with a fan supporting platform; the horizontal shaft fan is electrically connected with the wave energy power generation network; the offshore wind power module and the wave energy power generation network float on the sea surface, wave energy is absorbed by the buoys layer by layer to generate power so as to eliminate waves, and a damping area is formed around the offshore wind power module, so that the direct impact of waves is reduced, and the stability is improved. The wave energy power generation units are expanded outwards in an array mode, the effective area for wave energy collection is increased, the efficiency is improved, and energy in the sea area around the offshore wind turbine is effectively utilized.
Description
Technical Field
The invention relates to a power generation platform, in particular to a honeycomb-shaped wind wave combined power generation platform.
Background
With the continuous development of science and technology, the human demand for energy is increasing, and the problems of fossil energy shortage, environmental pollution, global warming and the like need attention urgently. Therefore, the development of green energy is promoted, wherein the total amount of ocean energy is large and inexhaustible, and the ocean energy is a choice for obtaining green energy in many coastal areas. Wave energy and sea wind energy account for the greater proportion of ocean energy, are hot spots for research and development, and various wave energy and sea wind energy devices and wind wave combined power generation related researches are carried forward.
The existing wind wave combined power generation device is only installed on a fan supporting platform at a single point or multiple points. The installation quantity and the position of the wave energy devices are very limited, and the efficiency of collecting wave energy is not high. All or most of the wave energy power generation devices are required to be installed on the fan supporting platform, so that the structure of the supporting platform becomes more complex. And the fan and the supporting platform are protected by only working around the fan.
Disclosure of Invention
In order to solve the problems in the background art, the invention provides a honeycomb-shaped wind and wave combined power generation platform.
The technical scheme adopted by the invention is as follows:
the wind-wave combined power generation platform comprises one or more offshore wind power modules, a plurality of wave power generation units and a mooring system, wherein the wave power generation units are periodically arranged in an array manner to form a wave power generation network with a honeycomb structure; one or each offshore wind power module is electrically connected with the wave energy power generation network.
Each offshore wind power module comprises a horizontal shaft fan, a fan tower cylinder and a fan supporting platform, wherein the horizontal shaft fan is arranged at the top end of the fan tower cylinder, and the fan supporting platform is arranged at the lower part of the fan tower cylinder; the horizontal shaft fan is electrically connected with the wave energy power generation network; the offshore wind power module and the wave energy power generation network float on the sea surface; the fan support platform may be an equilateral triangular jacket support platform or a triangular star support platform.
The mooring system comprises a plurality of mooring anchor lines, a plurality of main mooring cables and a plurality of secondary mooring cables, and the main mooring cables are sequentially connected to form a mooring cable polygon and serve as the boundary of the wave energy power generation network; each wave energy power generation unit located at the outermost periphery in the wave energy power generation network is connected with a main mooring cable close to the wave energy power generation unit through a secondary mooring cable, one end of each mooring anchor cable is simultaneously connected with a fan supporting platform of an offshore wind power module and one vertex angle of a mooring cable polygon, and the other end of each mooring anchor cable is connected with a gravity anchor in external seawater.
The wave energy power generation unit comprises two hinge mechanisms, a connecting arm and a buoy, the lower periphery of the buoy is hinged to one end of the connecting arm through one hinge mechanism, and the other end of the connecting arm is hinged to the lower periphery of the buoy of the other wave energy power generation unit through the other hinge mechanism; the connecting arm and the buoy are electrically connected with the horizontal shaft fan.
The lower periphery of the buoy of each wave energy power generation unit is provided with three hinge mechanisms at equal intervals along the circumferential direction, one hinge mechanism is hinged with one end of one connecting arm of the other hinge mechanism, and the other two hinge mechanisms are hinged with one ends of the connecting arms of the other two wave energy power generation units.
Six wave energy power generation units form a stable hexagonal structure with a honeycomb frame structure. The hinge mechanism needs to have at least two degrees of freedom and has a certain limiting function, and can be hinged by a cylindrical shaft, or can be a combination of a cylindrical revolute pair and a revolute pair, or a spherical hinge structure or a cross universal joint structure. The honeycomb-shaped wave energy power generation network is constrained by the polygon of the mooring cable, so that the problems of integral drift of the wave energy power generation network, mutual interference and collision between each buoy and the connecting arm and the like are avoided.
The buoys of the wave energy power generation units close to the periphery of the wave energy power generation network in the wave energy power generation network are connected to a close main mooring line through a secondary mooring line.
The buoy and the connecting arm are closed hollow cavities, and ballast tanks for adjusting gravity are arranged in the buoy and the connecting arm; the ballast tank is electrically connected with a horizontal shaft fan, the horizontal shaft fan supplies power to the ballast tank, and the ballast tank controls the buoyancy of the buoy and the connecting arm by pumping water into or out of the ballast tank. When the buoyancy adjusting device works, the connecting arm is suspended in water, the buoy has certain draught and moves along with waves, and the ballast tank is electrically connected with the outside to control the water quantity in the adjusting tank such as a motor, a piston or a valve (a pneumatic system) and the like inside the ballast tank so as to adjust the buoyancy. When the sea condition is severe, the water quantity in the ballast tank can be controlled externally to control the connecting arm and the buoy to sink, so that the device structure is prevented from being damaged by the severe sea condition.
When the number of the offshore wind power modules is one, the offshore wind power modules are hinged to the center of the wave energy power generation network, and the offshore wind power modules are hinged to connecting arms of each wave energy power generation unit in the center of the wave energy power generation network through a fan supporting platform; one end of each mooring anchor line is connected with the fan supporting platform and one vertex angle of the mooring line polygon.
When a plurality of offshore wind power modules are arranged, the number of the offshore wind power modules is equal to the number of vertex angles of a mooring cable polygon, each offshore wind power module is scattered around the mooring cable polygon, and each offshore wind power module is close to the vertex angle of one mooring cable polygon; one end of each mooring anchor line is simultaneously connected with one fan supporting platform and one vertex angle of a mooring line polygon close to the fan supporting platform.
The buoy consists of a steel framework, polyethylene filling foam and a polyurethane elastic shell, the polyethylene filling foam covers the steel framework, the polyurethane elastic shell covers the polyethylene filling foam, and therefore the buoy is prepared, and the framework and the shell can also be made of glass fiber reinforced plastics or other composite materials. The buoy is of a polygonal prism structure, a prismatic table structure, a cylindrical structure or a round table structure.
The wave energy power generation module is also arranged in the buoy and is not contacted with the ballast tank; the wave energy power generation module is electrically connected with a horizontal shaft fan;
the wave energy power generation module comprises a conversion mechanism and one or more power generation mechanisms; when the power generation mechanism is one, the power generation mechanism is hinged on the inner wall surface of the buoy through a hinged switching mechanism; when a plurality of power generation mechanisms are arranged, each power generation mechanism is uniformly hinged around the conversion mechanism at intervals along the circumferential direction, and each power generation mechanism is hinged on the inner wall surface of the buoy; one or more power generation mechanisms are electrically connected with the horizontal shaft fan.
When waves act on each buoy, each buoy vibrates up and down under the action of the waves, so that the conversion mechanism of each buoy moves relative to the buoy, the power generation mechanism connected with each buoy is pushed to generate power, and one or more power generation mechanisms output electric energy to the horizontal shaft fan through the fan cable; meanwhile, the horizontal axis fan generates electricity under the action of offshore wind force, the horizontal axis fan outputs electric energy out of the power generation platform from the fan power generation port of the horizontal axis fan, and wind and wave combined power generation of the power generation platform is achieved through energy consumption management.
The wave energy power generation modules of all the floating drums are independent from one another, the wave energy power generation modules arranged in any floating drum are broken down, the work of the wave energy power generation modules in other floating drums cannot be influenced, the workload of frequent offshore maintenance is reduced through the redundancy design, and the cost is reduced for later-period operation and maintenance. In addition, the wave energy power generation module arranged in the buoy can also perform wave energy conversion based on the piezoelectric effect, for example, the inertia mass block forming the power generation module generates power for the piezoelectric sheet.
The conversion mechanism is an inertial mass for multi-free energy capture, but is not limited to the above; the power generation mechanism is a linear generator or a hydraulic cylinder conversion system, but is not limited to the linear generator or the hydraulic cylinder conversion system; the inertia mass block is hinged with the output end of the linear generator or the hydraulic cylinder conversion system, and the inertia mass block drives the linear generator or the hydraulic cylinder conversion system to generate electricity by pushing the output end of the linear generator or the hydraulic cylinder conversion system under the action of waves, so that the wave energy is converted into electric energy.
The beneficial effects of the invention are:
(1) The wave energy is absorbed by the buoys layer by layer through the arrangement of the honeycomb structure to generate electricity so as to realize wave dissipation, the direct impact of waves on the fan supporting platform and the tower drum is reduced, and the stability of the offshore wind power device is improved.
(2) The frame structure formed by the wave energy power generation units increases the area of a sea area for capturing wave energy, and effectively utilizes energy sources of the sea area around the offshore wind turbine.
(3) Set up independent wave energy power generation module in the flotation pontoon, the power generation module mutual independence in the flotation pontoon, the degree of difficulty of maintaining has significantly reduced in this energy capture's redundant design, and can improve the conversion efficiency of wave energy, and power area ratio can improve.
(4) The mooring cable polygonal latticed mooring system is uniform with the honeycomb network structure, so that mooring of the wave energy power generation network and mooring of the offshore wind turbine module are combined or directly fastened on a wind turbine platform, the structure is stable, and the power generation efficiency is effectively improved.
Drawings
FIG. 1 is a schematic illustration of a power generation platform of the present invention;
FIG. 2 is a top plan view of the power generation platform of the present invention;
FIG. 3 is a schematic diagram of an offshore wind power module;
FIG. 4 is a schematic diagram of a wave energy power generation unit;
FIG. 5 is a schematic diagram of a triangular honeycomb wave energy power generation network;
FIG. 6 is a schematic diagram of a quadrilateral honeycomb wave energy power generation network;
in the figure: 1. the wind power generation system comprises an offshore wind power module 2, a wave power generation unit 3, a mooring system 101, a horizontal axis fan 102, a fan tower barrel 103, a fan supporting platform 201, a hinge mechanism 202, a connecting arm 203, a buoy 204, a wave power generation module 301, a mooring anchor line 302, a primary mooring line 303 and a secondary mooring line.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1 and fig. 2, the power generation platform of the invention comprises one or more offshore wind power modules 1, a plurality of wave power generation units 2 and a mooring system 3, wherein the wave power generation units 2 are periodically arranged in an array to form a honeycomb-structured wave power generation network, one or each offshore wind power module 1 is connected with the wave power generation network, and one or each offshore wind power module 1 and the wave power generation network are installed on the mooring system 3; one or each offshore wind power module 1 is electrically connected with a wave energy power generation network.
As shown in fig. 4, the wave energy power generation unit 2 comprises two hinge mechanisms 201, a connecting arm 202 and a buoy 203, wherein the lower periphery of the buoy 203 is hinged to one end of the connecting arm 202 through one hinge mechanism 201, and the other end of the connecting arm 202 is hinged to the lower periphery of the buoy 203 of the other wave energy power generation unit 2 through the other hinge mechanism 201; the lower periphery of the buoy 203 of each wave energy power generation unit 2 is provided with three hinge mechanisms 201 at equal intervals along the circumferential direction, one hinge mechanism 201 is hinged with one end of one connecting arm 202 of the other hinge mechanism 201, and the other two hinge mechanisms 201 are hinged with one ends of the connecting arms 202 of the other two wave energy power generation units 2.
The six wave energy power generation units 2 form a stable hexagonal structure with a honeycomb frame structure. The hinge mechanism 201 needs to have at least two degrees of freedom and has a certain limiting function, and the hinge mechanism 201 can be hinged by a cylindrical shaft, can also be a combination of a cylindrical revolute pair and a revolute pair, or can be in a spherical hinge structure or a cross universal joint structure. The honeycomb-shaped wave energy power generation network is constrained by the mooring polygon, so that the problems of overall drift of the wave energy power generation network, mutual interference and collision between each buoy 203 and the connecting arm 202 and the like are avoided.
The buoy 203 and the connecting arm 202 are closed hollow cavities, and ballast tanks for adjusting gravity are arranged in the buoy 203 and the connecting arm 202; the ballast tank is electrically connected to horizontal axis fan 101. Horizontal axis fan 101 supplies power to the ballast tank by pumping the ballast tank into and out of the body of water in the ballast tank to control the buoyancy of buoy 203 and connecting arm 202. When the device works, the connecting arm 202 is suspended in water, the buoy 203 has certain draft and moves along with waves, and the ballast tank controls the water quantity in a regulating tank such as a motor, a piston or a valve (a pneumatic system) and the like in the ballast tank through external electric connection to regulate buoyancy. When the sea condition is severe, the water amount in the ballast tank can be controlled externally to control the connecting arm 202 and the buoy 203 to sink, so that the device structure is prevented from being damaged by the severe sea condition.
The buoy 203 is composed of a steel skeleton, polyethylene filling foam and a polyurethane elastic shell, the polyethylene filling foam covers the steel skeleton, the polyurethane elastic shell covers the polyethylene filling foam, and therefore the buoy 203 is prepared, and the skeleton and the shell can also be made of glass fiber reinforced plastics or other composite materials. The buoy 203 is in a polygonal prism structure, a frustum structure, a cylinder structure or a circular truncated cone structure.
A wave energy power generation module 204 is also arranged in the buoy 203, and the wave energy power generation module 204 is not in contact with the ballast tank; the wave energy power generation module is electrically connected with a horizontal shaft fan 101; the wave energy power generation module 204 comprises a conversion mechanism and one or more power generation mechanisms; when the power generation mechanism is one, the power generation mechanism is hinged on the inner wall surface of the buoy 203 through a hinged switching mechanism; when a plurality of power generation mechanisms are arranged, each power generation mechanism is evenly hinged around the conversion mechanism at intervals along the circumferential direction and then hinged on the inner wall surface of the buoy 203; one or more power generation mechanisms are electrically connected to the horizontal axis fan 101.
When waves act on each buoy 203, each buoy 203 vibrates up and down under the action of the waves, so that the conversion mechanism of each buoy 203 generates relative motion relative to the buoy 203, and further pushes the power generation mechanism connected with the power generation mechanism to generate power, and one or more power generation mechanisms output electric energy to the horizontal axis fan 101 through a fan cable; meanwhile, the horizontal axis fan 101 generates power under the action of offshore wind force, the horizontal axis fan 101 outputs electric energy out of the power generation platform from a fan power generation port of the horizontal axis fan 101, and wind and wave combined power generation of the power generation platform is achieved through energy consumption management.
The wave energy power generation modules 204 of all the buoys 203 are independent from each other, and the wave energy power generation modules 204 arranged in any one of the buoys 203 do not influence the work of the wave energy power generation modules 204 in other buoys 203 when the wave energy power generation modules 204 break down, so that the workload of frequent offshore maintenance is reduced by the redundancy design, and the cost is reduced for later-period operation and maintenance. In addition, the wave energy power generation module 204 installed inside the buoy 203 can also perform wave energy conversion based on the piezoelectric effect, for example, the inertia mass blocks forming the power generation module 204 generate power for the piezoelectric plate.
The conversion mechanism is an inertial mass for multi-free energy capture, but is not limited thereto; the power generation mechanism is a linear generator or a hydraulic cylinder conversion system, but is not limited to the linear generator or the hydraulic cylinder conversion system; the inertia mass block is hinged with the output end of the linear generator or the hydraulic cylinder conversion system, and the inertia mass block drives the linear generator or the hydraulic cylinder conversion system to generate electricity by pushing the output end of the linear generator or the hydraulic cylinder conversion system under the action of waves, so that the wave energy is converted into electric energy.
As shown in fig. 3, each offshore wind power module 1 includes a horizontal axis fan 101, a fan tower 102 and a fan supporting platform 103, the horizontal axis fan 101 is installed at the top end of the fan tower 102, and the fan supporting platform 103 is installed at the lower part of the fan tower 102; the horizontal axis fan 101 is electrically connected with a wave energy power generation network; the offshore wind power module 1 and the wave power generation network float on the sea surface; the fan support platform 103 may be an equilateral triangular jacket support platform or a triangular star support platform.
The mooring system 3 comprises a plurality of mooring anchor lines 301, a plurality of main mooring lines 302 and a plurality of secondary mooring lines 303, wherein the main mooring lines 302 are sequentially connected to form a mooring line polygon and serve as the boundary of the wave energy power generation network; each wave energy power generation unit 2 located at the outermost periphery in the wave energy power generation network is connected with one adjacent main mooring line 302 through one respective secondary mooring line 303, one end of each mooring anchor line 301 is simultaneously connected with the fan supporting platform 103 of the offshore wind power module 1 and one vertex angle of a mooring line polygon, and the other end of each mooring anchor line 301 is connected with a gravity anchor in external sea water.
The buoys 203 of the wave energy power generation units 2 in the wave energy power generation network, which are close to the periphery of the wave energy power generation network, are connected to a close main mooring line 302 through a secondary mooring line 303.
When one offshore wind power module 1 is provided, the offshore wind power module 1 is hinged to the center of the wave energy power generation network, and the offshore wind power module 1 is hinged to connecting arms 202 of each wave energy power generation unit 2 in the center of the wave energy power generation network through a fan supporting platform 103; one end of each mooring anchor line 301 is connected with the fan supporting platform 103 and one vertex angle of the mooring line polygon; as shown in fig. 5 and 6, the mooring line polygon has a triangular or quadrangular structure.
When a plurality of offshore wind power modules 1 are arranged, the number of the offshore wind power modules 1 is equal to the number of vertex angles of a mooring line polygon, each offshore wind power module 1 is dispersed around the mooring line polygon, and each offshore wind power module 1 is close to the vertex angle of one mooring line polygon; one end of each mooring anchor line 301 is connected to both one of the wind turbine support platforms 103 and one of the corners of the mooring line polygon adjacent to the wind turbine support platform 103.
The specific implementation process of the invention is as follows:
the horizontal axis fan 101 generates electric energy under the action of wind power; after the wave energy power generation network is affected by waves, the buoy 203 vibrates up and down under the action of the waves, the power generation module 4 is excited to convert the wave energy and output electric energy, then the wave energy is connected to a fan power generation port of the horizontal axis fan 101, and wind and wave combined power generation is realized through energy consumption management. Therefore, wave energy can be absorbed layer by layer through the buoys 203 to generate electricity to dissipate the waves, a damping area is formed around the offshore wind power module 1, the direct impact of the waves on the fan supporting platform 103 and the tower barrel 102 of the offshore wind power module 1 is reduced, and the stability of the offshore wind power module 1 is improved. The wave energy power generation units 2 are expanded outwards in an array mode, the effective area for wave energy collection is increased, the efficiency is improved, energy in the sea area around the offshore wind turbine is effectively utilized, and the power area ratio of the wind and wave combined power generation platform is improved due to the honeycomb-shaped frame structure.
Claims (7)
1. A honeycomb-shaped wind and wave combined power generation platform is characterized in that: the wave energy power generation system comprises one or more offshore wind power modules (1), a plurality of wave energy power generation units (2) and a mooring system (3), wherein the wave energy power generation units (2) are periodically arranged in an array manner to form a honeycomb-structured wave energy power generation network, one or each offshore wind power module (1) is connected with the wave energy power generation network, and one or each offshore wind power module (1) and the wave energy power generation network are installed on the mooring system (3); one or each offshore wind power module (1) is/are electrically connected with a wave energy power generation network;
each offshore wind power module (1) comprises a horizontal axis fan (101), a fan tower cylinder (102) and a fan supporting platform (103), wherein the horizontal axis fan (101) is installed at the top end of the fan tower cylinder (102), and the fan supporting platform (103) is installed at the lower part of the fan tower cylinder (102); the horizontal shaft fan (101) is electrically connected with the wave energy power generation network; the offshore wind power module (1) and the wave energy power generation network float on the sea surface;
the mooring system (3) comprises a plurality of mooring anchor lines (301), a plurality of main mooring lines (302) and a plurality of secondary mooring lines (303), wherein the main mooring lines (302) are sequentially connected to form a mooring line polygon and serve as the boundary of the wave energy power generation network; each wave energy power generation unit (2) located at the outermost periphery in the wave energy power generation network is connected with a main mooring line (302) close to the wave energy power generation unit through a secondary mooring line (303), one end of each mooring anchor line (301) is simultaneously connected with a fan supporting platform (103) of an offshore wind power module (1) and one vertex angle of a mooring line polygon, and the other end of each mooring anchor line (301) is connected with a gravity anchor in external sea water.
2. The cellular wind and wave combined power generation platform according to claim 1, wherein: the wave energy power generation unit (2) comprises two hinge mechanisms (201), a connecting arm (202) and a buoy (203), the lower periphery of the buoy (203) is hinged to one end of the connecting arm (202) through one hinge mechanism (201), and the other end of the connecting arm (202) is hinged to the lower periphery of the buoy (203) of the other wave energy power generation unit (2) through the other hinge mechanism (201); the connecting arm (202) and the buoy (203) are electrically connected with the horizontal shaft fan (101); the lower periphery of a buoy (203) of each wave energy power generation unit (2) is provided with three hinge mechanisms (201) at intervals along the circumferential direction, one hinge mechanism (201) is hinged with one end of one connecting arm (202) of the other hinge mechanism, and the other two hinge mechanisms (201) are hinged with one ends of the connecting arms (202) of the other two wave energy power generation units (2).
3. The cellular wind and wave combined power generation platform according to claim 2, wherein: the buoys (203) of each wave energy power generation unit (2) in the wave energy power generation network, which are close to the periphery of the wave energy power generation network, are connected to a close main mooring line (302) through a secondary mooring line (303).
4. The cellular wind and wave combined power generation platform according to claim 2, characterized in that: the buoy (203) and the connecting arm (202) are closed hollow cavities, and ballast tanks for adjusting gravity are arranged in the buoy (203) and the connecting arm (202); the ballast tank is electrically connected with a horizontal shaft fan (101), the horizontal shaft fan (101) supplies power to the ballast tank, and the ballast tank controls the buoyancy of the buoy (203) and the connecting arm (202) by pumping in or out a water body in the ballast tank.
5. The cellular wind and wave combined power generation platform according to claim 2, wherein: when the number of the offshore wind power modules (1) is one, the offshore wind power modules (1) are hinged to the center of the wave energy power generation network, and the offshore wind power modules (1) are hinged to connecting arms (202) of each wave energy power generation unit (2) in the center of the wave energy power generation network through fan supporting platforms (103); one end of each mooring anchor line (301) is simultaneously connected with the fan supporting platform (103) and one vertex angle of the mooring line polygon;
when a plurality of offshore wind power modules (1) are arranged, the number of the offshore wind power modules (1) is equal to the number of vertex angles of a mooring cable polygon, each offshore wind power module (1) is dispersed around the mooring cable polygon, and each offshore wind power module (1) is close to the vertex angle of one mooring cable polygon; one end of each mooring anchor line (301) is simultaneously connected with one fan support platform (103) and one of the vertex angles of the mooring line polygon close to the fan support platform (103).
The buoy (203) is composed of a steel framework, polyethylene filling foam and a polyurethane elastic shell, the polyethylene filling foam wraps the steel framework, and the polyurethane elastic shell wraps the polyethylene filling foam, so that the buoy (203) is prepared.
6. The cellular wind and wave combined power generation platform according to claim 4, wherein: the wave energy power generation module (204) is also installed in the buoy (203), and the wave energy power generation module (204) is not in contact with the ballast tank; the wave energy power generation module is electrically connected with a horizontal shaft fan (101); the wave energy power generation module (204) comprises a conversion mechanism and one or more power generation mechanisms; when the power generation mechanism is one, the power generation mechanism is hinged on the inner wall surface of the buoy (203) through a hinged switching mechanism; when a plurality of power generation mechanisms are arranged, each power generation mechanism is evenly hinged around the conversion mechanism at intervals along the circumferential direction, and each power generation mechanism is hinged on the inner wall surface of the buoy (203); one or more power generation mechanisms are electrically connected with the horizontal shaft fan (101);
when waves act on each buoy (203), each buoy (203) oscillates up and down under the action of the waves, so that the conversion mechanism of each buoy (203) generates relative motion relative to the buoy (203), and further drives the power generation mechanism connected with the buoy to generate power, and the power generation mechanism or mechanisms output the power to the horizontal axis fan (101); meanwhile, the horizontal shaft fan (101) generates electricity under the action of offshore wind force, and the horizontal shaft fan (101) outputs electric energy out of the power generation platform from a fan power generation port of the horizontal shaft fan to realize wind and wave combined power generation of the power generation platform.
7. The cellular wind and wave combined power generation platform according to claim 6, wherein: the conversion mechanism is an inertia mass block which can capture energy in multiple free ways; the power generation mechanism is a linear generator or a hydraulic cylinder conversion system; the inertia mass block is hinged with the output end of the linear generator or the hydraulic cylinder conversion system, and the inertia mass block drives the linear generator or the hydraulic cylinder conversion system to generate electricity by pushing the output end of the linear generator or the hydraulic cylinder conversion system under the action of waves, so that the wave energy is converted into electric energy.
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