CN112332751B - Floating wind, wave and solar integrated power generation device and power generation system using same - Google Patents
Floating wind, wave and solar integrated power generation device and power generation system using same Download PDFInfo
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- CN112332751B CN112332751B CN202011208633.3A CN202011208633A CN112332751B CN 112332751 B CN112332751 B CN 112332751B CN 202011208633 A CN202011208633 A CN 202011208633A CN 112332751 B CN112332751 B CN 112332751B
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- 238000007667 floating Methods 0.000 title claims abstract description 158
- 238000010248 power generation Methods 0.000 title claims abstract description 84
- 238000004873 anchoring Methods 0.000 claims abstract description 12
- 239000010409 thin film Substances 0.000 claims abstract description 12
- 230000000295 complement effect Effects 0.000 claims description 14
- 238000004146 energy storage Methods 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 229920001903 high density polyethylene Polymers 0.000 claims description 3
- 239000004700 high-density polyethylene Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001932 seasonal effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/10—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power including a supplementary source of electric power, e.g. hybrid diesel-PV energy systems
- H02S10/12—Hybrid wind-PV energy systems
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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"
- F03B13/20—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" wherein both members, i.e. wom and rem are movable relative to the sea bed or shore
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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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
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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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
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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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
- F03D3/064—Fixing wind engaging parts to rest of rotor
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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
- F03D9/007—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 means for converting solar radiation into useful 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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- 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
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
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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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- 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
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the 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
- Y02E10/76—Power conversion electric or electronic aspects
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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
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Other Liquid Machine Or Engine Such As Wave Power Use (AREA)
Abstract
The invention discloses a floating wind, wave and solar integrated power generation device which comprises a solar power generation unit, a wind power generation unit, a hydraulic power generation unit and anchoring equipment, wherein the solar power generation unit comprises a top flat plate, a solar generator and a solar thin-film battery, the wind power generation unit comprises a middle flat plate, wind wheel blades, a wind wheel connecting rod, a vertical shaft, a first speed gear and a wind power generator, the hydraulic power generation unit comprises an annular floating plate, a stand column, an outer floating plate, an inner floating plate, an outer floating plate connecting rod, an inner floating plate connecting rod, a support frame, a second speed gear and the hydraulic power generator, and the anchoring equipment is connected below the annular floating plate. The invention fully utilizes various offshore energy sources, comprehensively considers the complementation of wind energy, wave energy and solar energy in the aspects of seasonality, timeliness and the like, realizes effective integrated utilization and has stable and reliable power generation. The power supply device has the advantages of simple structure, convenience in installation and lower cost, and can supply power to power-off or power-lack areas such as coasts, islands, farms, fishing boats and the like.
Description
Technical Field
The invention relates to a floating wind, wave and solar integrated power generation device and a power generation system which is modified by using the floating wind, wave and solar integrated power generation device, which can generate power by simultaneously utilizing wind, wave and solar energy.
Background
The offshore wind energy and wave energy generation system has abundant marine wind energy and wave energy resources, develops and utilizes offshore wind energy and wave energy, and has important significance for environmental protection, traditional resource saving and marine economic sustainable development in China. As for the power generation devices developed to use wind energy and wave energy at present, most of the power generation devices can generate power by using only one of wind energy or wave energy. With the continuous development and utilization of ocean space, the installation of both wind power generation devices and wave power generation devices occupies more space resources and increases development cost. Therefore, it is an effective solution to develop an integrated power generation device capable of generating power by using wind energy and wave energy simultaneously. The research results of our country on the multi-energy integrated generating set are still few, and the existing integrated generating set fully utilizes ocean wind energy, wave energy and the like to a certain extent, but also has the problems of complex structure, high construction cost, low material utilization rate and the like.
Disclosure of Invention
The invention aims to provide a wind, wave and solar comprehensive power generation device which is simple in structure, low in cost and capable of fully utilizing various offshore energy aiming at the defects of the conventional wind and wave integrated power generation device.
In order to achieve the purpose, the invention provides the following technical scheme: a floating wind, wave and solar integrated power generation device comprises a solar power generation unit, a wind power generation unit, a hydroelectric power generation unit and anchoring equipment from top to bottom, wherein the solar power generation unit comprises a top flat plate, a solar generator and a solar thin-film battery, the solar generator and the solar thin-film battery are both arranged on the top flat plate, and the solar thin-film battery is connected with the solar generator; the wind driven generator unit comprises a middle-layer flat plate, wind wheel blades, a wind wheel connecting rod, a vertical shaft, a first speed change gear and a wind driven generator, wherein the middle-layer flat plate is arranged below the top-layer flat plate in parallel, the vertical shaft is arranged between the top-layer flat plate and the middle-layer flat plate, the vertical shaft can rotate relative to the top-layer flat plate and the middle-layer flat plate, the first speed change gear is arranged at the upper end of the vertical shaft, the first speed change gear is in transmission connection with the wind driven generator, the wind driven generator is arranged on the top-layer flat plate, and at least two wind wheel blades are connected with the vertical shaft through the wind wheel connecting rod; the hydroelectric generation unit comprises an annular floating plate, a column, an outer floating plate, an inner floating plate, an outer floating plate connecting rod, an inner floating plate connecting rod, a support frame, a second speed change gear and a hydroelectric generator, the annular floating plate is arranged below the middle flat plate through the upright post, a plurality of support frames are arranged on the annular floating plate along the circumferential direction, each support frame is hinged with the outer floating plate connecting rod towards the outer side of the annular floating plate, the inner floating plate connecting rod is hinged with the inner side of the annular floating plate, the outer floating plate connecting rod is connected with the outer floating plate, the inner floating plate connecting rod is connected with the inner floating plate, the second speed change gear is arranged on both the outer floating plate connecting rod and the inner floating plate connecting rod, the hydraulic generator is in transmission connection with the annular floating plate through the second speed change gear, and the hydraulic generator is installed on the annular floating plate; the anchoring device is connected below the annular floating plate.
The solar thin film battery absorbs solar energy and the solar generator converts the solar energy into electric energy, the wind wheel blade drives the vertical shaft to rotate under the action of wind power so as to drive the wind driven generator to generate electricity, and the sea waves drive the inner floating plate and the outer floating plate to swing up and down so as to drive the hydroelectric generator to generate electricity.
Further, the wind wheel blades are arranged below the top flat plate, can adopt symmetrical wing shapes and rotate around a vertical shaft. The number of the wind wheel blades is not less than 2, the blade extension of the wind wheel blades can be determined according to the height of the whole device, and the blade chord length of the wind wheel blades can be determined according to compactness.
Further, the thickness of the annular floating plate is half of the wave height, and the outer diameter of the annular floating plate is 1 to 4 times of the height of the whole power generation device. The annular floating plate provides buoyancy for the whole device, so that the device always floats on the water surface, and the stability of the whole device is kept. The thickness of the annular floating plate is half of the wave height so as to reduce the influence of splash on power generation equipment, and the ring width of the annular floating plate is determined according to the size of the hydroelectric generator and the like and is generally more than 2 meters.
Furthermore, the annular floating plate is provided with grooves corresponding to the outer floating plate connecting rod and the inner floating plate connecting rod, and the grooves are provided with guard plates. So as to avoid the collision damage of the outer floating plate connecting rod and the inner floating plate connecting rod.
Further, outer kickboard with interior kickboard is circular, the diameter of outer kickboard is greater than 1 meter, the length of interior kickboard connecting rod is greater than the diameter of interior kickboard, the length of outer kickboard connecting rod is half of the wave height, interior kickboard diameter by the regional area is confirmed in the annular kickboard.
Furthermore, the top flat plate and the middle flat plate are round steel flat plates and have the same diameter as the annular floating plate.
Furthermore, a plurality of retaining rings are uniformly arranged below the annular floating plate along the circumferential direction of the annular floating plate, and the anchoring equipment is moored through the retaining rings.
Furthermore, a plurality of upright posts are also arranged between the top flat plate and the middle flat plate.
Further, the outer floating plate connecting rod, the inner floating plate connecting rod, the supporting frame, the top layer flat plate, the middle layer flat plate, the wind wheel blades and the wind wheel connecting rod are made of stainless steel materials, and the annular floating plate, the outer floating plate and the inner floating plate are made of high-density polyethylene materials.
The invention also provides an off-grid power generation system adopting the floating wind, wave and solar integrated power generation device, which further comprises a first inverter, a second inverter and a first energy complementary controller, wherein the hydroelectric generator converts electric power into electric power through the first inverter and the second inverter and then is connected with the solar generator, and the electric power is adjusted and integrated through the first energy complementary controller and finally is output in a direct current mode.
The invention also provides a grid-connected power generation system adopting the floating wind, wave and solar integrated power generation device, which further comprises a third inverter, a second energy complementary controller, a transformer and a centralized storage battery energy storage system, wherein electric power of the solar power generators of a plurality of floating wind, wave and solar integrated power generation devices is converted into alternating current through the third inverters and then is connected with the wind power generators and the hydroelectric power generators in parallel, and then the centralized storage battery energy storage system is charged through the second energy complementary controller and the transformer to supply power to an external power grid when the external power grid needs.
Compared with the prior art, the invention has the beneficial effects that:
on the basis of the prior art, the offshore wind, wave and solar comprehensive power generation device is established, offshore wind energy, wave energy and solar energy are fully and complementarily utilized, and the offshore wind, wave and solar comprehensive power generation device is stable and reliable in power supply, green and environment-friendly. In addition, the invention has simple structure and short construction period, and can increase the number and scale of the generating set according to the power supply requirement; the structure is prefabricated, the installation is convenient, the maintenance is easy, and the manufacturing cost is lower; provides an economical and reasonable power supply mode for coastal areas, islands, sea ships and the like.
Drawings
Fig. 1 is a perspective view of a floating wind, wave and solar integrated power generation device according to an embodiment of the invention;
FIG. 2 is a partial enlarged view of the floating wind, wave and solar integrated power generation device according to the embodiment of the invention;
FIG. 3 is a cross-sectional view of the floating wind, wave and solar integrated power generation device according to the embodiment of the invention;
FIG. 4 is a block diagram of an off-grid power generation system in accordance with an embodiment of the present invention;
FIG. 5 is a block diagram of a grid-connected power generation system according to an embodiment of the present invention;
in the figure: 1. the wind power generation system comprises a top-layer flat plate, 2, a middle-layer flat plate, 3, an annular floating plate, 4, a steel column, 5, an anchoring device, 6, a solar generator, 7, wind wheel blades, 8, a wind wheel connecting rod, 9, a vertical shaft, 10, a first speed change gear, 11, a wind driven generator, 12, an end cover, 13, an outer floating plate, 14, an inner floating plate, 15, an outer floating plate connecting rod, 16, an inner floating plate connecting rod, 17, a supporting frame, 18, a second speed change gear, 19, a hydroelectric generator, 20, a groove, 21, a retaining ring, 22, a first inverter, 23, a second inverter, 24, a first energy complementary controller, 25, a third inverter, 26, a second energy complementary controller, 27, a transformer, 28 and a centralized storage battery energy storage system.
Detailed Description
For a better understanding of the present invention, reference will now be made in detail to the present invention as illustrated in the accompanying drawings and described in the following detailed description. It should be understood that this example is only for illustrating the present invention and is not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes and modifications of equivalent forms to the present invention by those skilled in the art after reading the present specification are within the scope of the present patent claims.
As shown in fig. 1, 2 and 3, the floating wind and wave solar integrated power generation device of the present invention comprises a solar power generation unit, a wind power generation unit, a hydroelectric generation unit and an anchoring device 5 from top to bottom, wherein the solar power generation unit comprises a top flat plate 1, a solar generator 6 and a solar thin-film battery, the solar generator 6 and the solar thin-film battery are all disposed on the top flat plate 1, the solar thin-film battery is connected to the solar generator 6, and the solar thin-film battery is connected in series and parallel as required and is matched with a proper bracket and a proper junction box to form a solar battery array. The wind driven generator unit comprises a middle-layer flat plate 2, wind wheel blades 7, a wind wheel connecting rod 8, a vertical shaft 9, a first speed change gear 10 and a wind driven generator 11, wherein the middle-layer flat plate 2 is arranged below the top-layer flat plate 1 in parallel, the vertical shaft 9 is arranged between the top-layer flat plate 1 and the middle-layer flat plate 2, the vertical shaft 9 can rotate relative to the top-layer flat plate 1 and the middle-layer flat plate 2, the first speed change gear 10 is arranged at the upper end of the vertical shaft 9, the first speed change gear 10 is in transmission connection with the wind driven generator 11, the wind driven generator 11 is arranged on the top-layer flat plate 1, at least two wind wheel blades 7 are connected with the vertical shaft 9 through the wind wheel connecting rod 8, and an end cover 12 is further arranged at the lower part of the vertical shaft 9; the hydroelectric generation unit comprises an annular floating plate 3, a stand column 4, an outer floating plate 13, an inner floating plate 14, an outer floating plate connecting rod 15, an inner floating plate connecting rod 16, a support frame 17, a second speed change gear 18 and a hydroelectric generator 19, wherein the annular floating plate 3 is arranged below the middle-layer flat plate 2 through the stand column 4, a plurality of support frames 17 are arranged on the annular floating plate 3 along the circumferential direction, each support frame 17 is hinged with the outer floating plate connecting rod 15 towards the outer side of the annular floating plate 3, the inner floating plate connecting rod 16 is hinged towards the inner side of the annular floating plate 3, the tail end of the outer floating plate connecting rod 15 is connected with the outer floating plate 13, the tail end of the inner floating plate connecting rod 16 is connected with the inner floating plate 14, the second speed change gear 18 is arranged on each of the outer floating plate connecting rod 15 and the inner floating plate connecting rod 16 and is in transmission connection with the hydroelectric generator 19 through the second speed change gear 18, the hydroelectric generator 19 is installed on the annular floating plate 3, the number of the inner floating plate 14 is consistent with that of the outer floating plate 13, the two floating plates of the inner floating plate 14 and the outer floating plate 13 are in a group and share one support frame 17, the inner floating plate connecting rod 16 is arranged in parallel with the outer floating plate connecting rod 15, the inner floating plate connecting rod 16 and the outer floating plate connecting rod 15 can rotate up and down around the support frame 17, the inner floating plate 14 and the outer floating plate 13 float up and down under the action of waves to respectively drive the hydroelectric generator 19 in transmission connection with the outer floating plate to generate electricity, the number of the hydroelectric generator 19 is equal to that of the inner floating plate 14 and the outer floating plate 13, the hydroelectric generator 19 forms a hydroelectric generator set, and the anchoring device 5 is connected below the annular floating plate 3.
The wind wheel blades 7 are arranged below the top flat plate 1, can adopt symmetrical wing shapes and rotate around the vertical shaft 9. The number of the wind wheel blades 7 is not less than 2, the blade extension of the wind wheel blades 7 can be determined according to the height of the whole device, and the blade chord length of the wind wheel blades 7 can be determined according to the compactness.
The annular floating plate 3 is provided with grooves 20 corresponding to the outer floating plate connecting rod 15 and the inner floating plate connecting rod 16, and the grooves 20 are provided with guard plates.
The top flat plate 1 and the middle flat plate 2 are round steel flat plates and have the same diameter as the annular floating plate 3.
Four retaining rings 21 are uniformly arranged below the annular floating plate 3 along the circumferential direction of the annular floating plate, and the anchoring device 5 is moored through the retaining rings 21.
Four upright posts 4 are arranged between the top flat plate 1 and the middle flat plate 2.
The outer floating plate connecting rod 15, the inner floating plate connecting rod 16, the supporting frame 17, the top layer flat plate 1, the middle layer flat plate 2, the wind wheel blades 7 and the wind wheel connecting rods 8 are made of stainless steel materials, and the annular floating plate 3, the outer floating plate 13 and the inner floating plate 14 are made of high-density polyethylene materials.
As shown in fig. 4, the off-grid power generation system using the floating wind, wave and solar integrated power generation device further includes a first inverter 22, a second inverter 23 and a first energy complementary controller 24, wherein the hydroelectric generator 19 converts the electric power into electric power through the first inverter 22 and the second inverter 23 through the wind power generator 11, then the electric power is online with the solar power generator 6, and then the electric power is adjusted and integrated through the first energy complementary controller 24 and finally output in the form of direct current. At this time, the direct current output from the end of the first energy complementary controller 24 has three places, namely, the direct current is directly supplied to a required direct current load, the direct current is converted into alternating current with constant frequency through an inverter and then is transmitted to a user load through a power transmission line, and the redundant electric energy in the form of direct current can be used for charging a storage battery. The storage battery can eliminate the shortage of power supply caused by weather and other reasons, and when the storage battery needs to discharge and outwards transmit electric energy, the direct current needs to be converted into alternating current through the inverter and finally transmitted to the end of a user. The storage battery can be placed on the top flat plate 1 or the annular floating plate 3.
As shown in fig. 5, the grid-connected power generation system using the floating wind, wave and solar integrated power generation device of the present invention further includes third inverters 25, second energy complementary controllers 26, transformers 27 and a centralized storage battery energy storage system 28, wherein electric power of the solar generators 6 of a plurality of floating wind, wave and solar integrated power generation devices is converted into alternating current by the respective third inverters 25, and then is connected in parallel with the respective wind generators 11 and the respective hydroelectric generators 19, and then is charged into the centralized storage battery energy storage system 28 by the second energy complementary controllers 26 and the transformers 27, so as to supply power to an external power grid when the external power grid needs.
The plurality of power generation devices can generate power simultaneously, each power generation device is independent of another power generation device, the power of the solar power generator set of each power generation device is converted into alternating current through the inverter, the electric energy generated by each power generation device can be adjusted and integrated through the second energy complementary controller 26, the alternating current is connected to the transformer, and after the voltage is increased, the centralized storage battery energy storage system 28 is used for stably supplying power to the power grid. The transformer 27 and the centralized storage battery energy storage system 28 of the grid-connected power generation system may be placed on the land, and power transmission and connection may be performed by a cable.
The floating wind, wave and solar integrated power generation device provided by the invention has the advantages that the main structure floats on the sea surface in a mooring mode, the outer floating plate 13 and the inner floating plate 14 connected with the main structure move up and down under the action of waves so as to drive the matched hydroelectric generator 19 to generate power, meanwhile, the main structure can also carry out wind power generation and solar power generation, and the floating wind, wave and solar integrated power generation device is a comprehensive power generation device which is established by comprehensively considering the complementation of various resources such as seasonal resources, temporal resources and the like of offshore wind energy, wave energy and solar energy. The offshore multi-energy power generation system makes full use of various offshore energy sources, supplies power stably and reliably, and realizes green, environment-friendly and pollution-free power generation; the structure is simple, the construction period is short, and the number and the scale of the power generation devices can be increased according to the power supply requirement; the structure is prefabricated and convenient to install, maintain and disassemble and move, and the manufacturing cost of a power generation system is reduced; the power supply device is suitable for power-off or power-lack areas such as coasts, islands, farms, fishing boats and the like, and provides an economical and reasonable power supply mode for the power supply device.
Claims (7)
1. The utility model provides a floating wind, wave and solar energy integrated power generation device which characterized in that: the solar energy power generation device comprises a solar energy power generation unit, a wind power generation unit, a hydroelectric generation unit and an anchoring device (5) from top to bottom, wherein the solar energy power generation unit comprises a top layer flat plate (1), a solar energy generator (6) and a solar thin-film battery, the solar energy generator (6) and the solar thin-film battery are both arranged on the top layer flat plate (1), and the solar thin-film battery is connected with the solar energy generator (6); the wind power generation unit comprises a middle flat plate (2), wind wheel blades (7), a wind wheel connecting rod (8), a vertical shaft (9), a first speed change gear (10) and a wind driven generator (11), the middle flat plate (2) is arranged below the top flat plate (1) in parallel, the vertical shaft (9) is arranged between the top flat plate (1) and the middle flat plate (2), the vertical shaft (9) is rotatable relative to the top flat plate (1) and the middle flat plate (2), the upper end of the vertical shaft (9) is provided with the first speed change gear (10), the first speed-changing gear (10) is in transmission connection with the wind driven generator (11), the wind driven generator (11) is arranged on the top flat plate (1), and at least two wind wheel blades (7) are connected with the vertical shaft (9) through the wind wheel connecting rod (8); the hydroelectric generation unit comprises an annular floating plate (3), a stand column (4), an outer floating plate (13), an inner floating plate (14), an outer floating plate connecting rod (15), an inner floating plate connecting rod (16), a support frame (17), a second speed change gear (18) and a hydroelectric generator (19), wherein the annular floating plate (3) is arranged below the middle-layer flat plate (2) through the stand column (4), the annular floating plate (3) is provided with a plurality of the support frames (17) along the circumferential direction, each support frame (17) is hinged with the outer floating plate connecting rod (15) towards the outer side of the annular floating plate (3), the inner floating plate connecting rod (16) is hinged towards the inner side of the annular floating plate (3), the outer floating plate connecting rod (15) is connected with the outer floating plate (13), the inner floating plate connecting rod (16) is connected with the inner floating plate (14), the outer floating plate connecting rod (15) and the inner floating plate connecting rod (16) are both provided with the second speed change gear (18) and are in transmission connection with the hydroelectric generator (19) through the second speed change gear (18), and the hydroelectric generator (19) is arranged on the annular floating plate (3); the anchoring device (5) is connected below the annular floating plate (3); the thickness of the annular floating plate (3) is half of the wave height, and the outer diameter of the annular floating plate (3) is 1-4 times of the height of the whole power generation device; grooves (20) are formed in the annular floating plate (3) corresponding to the outer floating plate connecting rod (15) and the inner floating plate connecting rod (16), and a protective plate is arranged in each groove (20); outer kickboard (13) with interior kickboard (14) are circular, the diameter of outer kickboard (13) is greater than 1 meter, the length of interior kickboard connecting rod (16) is greater than the diameter of interior kickboard (14), the length of outer kickboard connecting rod (15) is half of the wave height.
2. The floating wind, wave and solar integrated power generation device of claim 1, wherein: the top flat plate (1) and the middle flat plate (2) are round steel flat plates and have the same diameter as the annular floating plate (3).
3. The floating wind, wave and solar integrated power generation device of claim 1, wherein: a plurality of retaining rings (21) are uniformly arranged below the annular floating plate (3) along the circumferential direction of the annular floating plate, and the anchoring equipment (5) is moored through the retaining rings (21).
4. The floating wind, wave and solar integrated power generation device of claim 1, wherein: a plurality of upright posts (4) are also arranged between the top flat plate (1) and the middle flat plate (2).
5. The floating wind, wave and solar integrated power generation device of claim 1, wherein: outer kickboard connecting rod (15), interior kickboard connecting rod (16) support frame (17) top layer flat board (1) middle level flat board (2) wind wheel blade (7) wind wheel connecting rod (8) adopt stainless steel material, annular kickboard (3) outer kickboard (13) with interior kickboard (14) adopt high density polyethylene material.
6. An off-grid power generation system comprising the floating wind, wave and solar integrated power generation device of any one of claims 1 to 5, wherein: the system also comprises a first inverter (22), a second inverter (23) and a first energy complementation controller (24), wherein the hydroelectric generator (19) converts the electric power into the electric power through the first inverter (22) and the wind driven generator (11) through the second inverter (23) and then is connected with the solar generator (6) in an online mode, and the electric power is regulated and integrated through the first energy complementation controller (24) and finally output in the form of direct current.
7. A grid-connected power generation system comprising the floating wind, wave and solar integrated power generation device of any one of claims 1 to 5, wherein: the floating type wind, wave and solar integrated power generation device further comprises a third inverter (25), a second energy complementary controller (26), a transformer (27) and a centralized storage battery energy storage system (28), wherein electric power of the solar generators (6) of the floating type wind, wave and solar integrated power generation devices is converted into alternating current through the respective third inverter (25) and then is connected with the respective wind driven generator (11) and the respective hydroelectric generator (19) in parallel, the second energy complementary controller (26) and the transformer (27) are used for charging the centralized storage battery energy storage system (28), and when the external power grid needs, the centralized storage battery energy storage system supplies power to the external power grid.
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| CN105438413A (en) * | 2015-12-30 | 2016-03-30 | 高阳 | Ocean-energy electric generators and solar energy utilization and storage method of offshore floating-type building |
| CN110645138A (en) * | 2019-09-24 | 2020-01-03 | 六安永贞匠道机电科技有限公司 | Method for generating power by using ocean wave energy and wind energy |
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| CA2621244C (en) * | 2005-09-02 | 2012-10-30 | John Christopher Burtch | Apparatus for production of hydrogen gas using wind and wave action |
| WO2008062319A2 (en) * | 2006-07-10 | 2008-05-29 | Justin Clive Roe | Marine energy hybrid |
| FR3007804B1 (en) * | 2013-07-01 | 2015-06-19 | Geps Innov | HYBRID DEVICE FOR GENERATING ELECTRIC ENERGY |
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| CN105438413A (en) * | 2015-12-30 | 2016-03-30 | 高阳 | Ocean-energy electric generators and solar energy utilization and storage method of offshore floating-type building |
| CN110645138A (en) * | 2019-09-24 | 2020-01-03 | 六安永贞匠道机电科技有限公司 | Method for generating power by using ocean wave energy and wind energy |
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