CN113236496A - Vertical axis double-rotor wind energy and ocean current energy power generation device - Google Patents
Vertical axis double-rotor wind energy and ocean current energy power generation device Download PDFInfo
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- CN113236496A CN113236496A CN202110552050.0A CN202110552050A CN113236496A CN 113236496 A CN113236496 A CN 113236496A CN 202110552050 A CN202110552050 A CN 202110552050A CN 113236496 A CN113236496 A CN 113236496A
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- 238000010248 power generation Methods 0.000 title claims abstract description 23
- 230000009977 dual effect Effects 0.000 claims description 9
- 230000005611 electricity Effects 0.000 abstract description 2
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- 238000004458 analytical method Methods 0.000 description 1
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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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B13/00—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates
- F03B13/12—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy
- F03B13/14—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy
- F03B13/22—Adaptations of machines or engines for special use; Combinations of machines or engines with driving or driven apparatus; Power stations or aggregates characterised by using wave or tide energy using wave energy using the flow of water resulting from wave movements to drive a motor or turbine
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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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
- F03D13/25—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors specially adapted for offshore installation
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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
- F03D3/02—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor having a plurality of rotors
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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
- 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
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
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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
-
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a vertical shaft double-rotor wind energy and ocean current energy power generation device which comprises double-rotor reverse generators, ocean current machines, wind machines and a floating body platform, wherein a plurality of double-rotor reverse generators are uniformly distributed on the floating body platform, two vertical shafts of each double-rotor reverse generator are respectively connected with rotating shafts of the wind machines and the ocean current machines, the ocean current machines are positioned below the wind machines, and the blade directions of the ocean current machines are opposite. The invention adopts the form that the vertical axis ocean current generator is matched with the vertical axis wind driven generator, the inner rotor and the outer rotor which rotate reversely cut magnetic lines of force to generate electricity, the wind driven generator and the ocean current generator have different rotation directions, a plurality of ocean current generators and the wind driven generators are communicated for use, and simultaneously, the wind energy and the ocean current energy are collected, so that the generating capacity is obviously increased, and the efficiency of the generator and the utilization rate of the ocean energy and the wind energy are greatly improved.
Description
Technical Field
The invention relates to the technical field of power generation devices, in particular to a vertical axis double-rotor wind energy and ocean current energy power generation device.
Background
Offshore energy sources mainly include wind energy, ocean current energy, tidal energy and the like. The development of deep open sea resources is an important direction for the development of ocean resources in the future, and the offshore floating platform is one of the current main deep open sea energy equipment carriers. However, at present, the energy collection and utilization mode of the offshore floating platform is single, and the energy conversion efficiency is low. Therefore, how to improve the power generation efficiency of the offshore power generation system, and simultaneously, lightening the load of the structure under the action of wind and ocean current, and improving the reliability and the economical efficiency of the fan are key problems which are urgently needed to be solved by the current deep and open sea power generation device.
Disclosure of Invention
The invention aims to provide a vertical axis double-rotor wind energy and ocean current energy power generation device, which is used for solving the problems in the prior art, so that wind energy and ocean current energy can be used for generating power at the same time, and the power generation efficiency is greatly improved.
In order to achieve the purpose, the invention provides the following scheme:
the invention provides a vertical shaft double-rotor wind energy and ocean current energy power generation device which comprises double-rotor reverse generators, ocean current machines, wind machines and a floating platform, wherein a plurality of double-rotor reverse generators are uniformly distributed on the floating platform, two vertical shafts of each double-rotor reverse generator are respectively and rotatably connected with the wind machines and the ocean current machines, the ocean current machines are positioned below the wind machines, and the rotation directions of blades of the wind machines and the ocean current machines are opposite.
Preferably, the floating body platform is connected with a fixed anchor.
Preferably, the floating body platform is in a regular triangle shape, and the double-rotor reverse generators are respectively arranged on the vertexes of the regular triangle.
Preferably, the side length of the regular triangle is 2-2.5 times of the diameter of the wind wheel of the wind turbine.
Preferably, the wind turbine or the ocean current machine distributed in the regular triangle has a rotation direction opposite to that of the other two wind turbines or the ocean current machines, and the main wind direction or the main flow direction is perpendicular to the side length of the regular triangle and is parallel to the tangent of the rotation trajectory of the adjacent wind turbine or the ocean current machine.
Preferably, the wind turbine is provided with four fan blades, and the movement tracks of the fan blades are perpendicular to the rotating shaft of the wind turbine.
Preferably, the solidity of the wind turbine is 0.4-0.5.
Preferably, the ocean current machine is provided with five blades, and the motion trail of the blades is perpendicular to the rotating shaft of the ocean current machine.
Preferably, the solidity of the ocean current machine is 0.6-0.8.
Compared with the prior art, the invention has the following technical effects:
the invention adopts the form that the vertical axis ocean current generator is matched with the vertical axis wind driven generator, the inner rotor and the outer rotor which rotate reversely cut magnetic lines of force to generate electricity, the wind driven generator and the ocean current generator have different rotation directions, a plurality of ocean current generators and the wind driven generators are communicated for use, and simultaneously, the wind energy and the ocean current energy are collected, so that the generating capacity is obviously increased, and the efficiency of the generator and the utilization rate of the ocean energy and the wind energy are greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described 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 without creative efforts.
FIG. 1 is a first schematic structural diagram of a vertical-axis dual-rotor wind and ocean current power generation device according to the present invention;
FIG. 2 is a schematic structural diagram of a vertical axis dual rotor wind and ocean current power plant according to the present invention;
FIG. 3 is a schematic structural diagram of a dual-rotor reverse generator according to the present invention;
FIG. 4 is a schematic view of a wind turbine according to the present invention;
FIG. 5 is a schematic view of the ocean current machine of the present invention;
wherein: the wind and ocean current energy power generation device comprises a 1-vertical shaft double-rotor wind energy and ocean current energy power generation device, a 2-floating platform, a 3-double-rotor reverse generator, a 4-wind machine, a 5-fan blade, a 6-ocean current machine, a 7-blade and an 8-rotating shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The invention aims to provide a vertical axis double-rotor wind energy and ocean current energy power generation device, which is used for solving the problems in the prior art, so that wind energy and ocean current energy can be used for generating power at the same time, and the power generation efficiency is greatly improved.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
As shown in fig. 1 to 5: the embodiment provides a vertical axis double-rotor wind energy and ocean current energy power generation device 1 which comprises double-rotor reverse generators 3, ocean current machines 6, wind turbines 4 and a floating body platform 2, wherein the floating body platform 2 is evenly provided with a plurality of double-rotor reverse generators 3, two vertical shafts of each double-rotor reverse generator 3 are respectively connected with rotating shafts 8 of the wind turbines 4 and the ocean current machines 6, the ocean current machines 6 are located below the wind turbines 4, and the blades of the wind turbines 4 and the ocean current machines 6 are opposite in rotation direction.
At least one anchor is connected to the buoyant platform 2. The floating body platform 2 is in a regular triangle shape, and the double-rotor reverse generators 3 are respectively arranged on the vertexes of the regular triangle. The side length of the regular triangle is 2-2.5 times of the diameter of the wind wheel of the wind machine 4. One of the wind turbines 4 or the ocean current machines 6 distributed in the regular triangle is opposite to the other two wind turbines 4 or the ocean current machines 6 in rotation direction, and the main wind direction or the main flow direction is perpendicular to the side length of the regular triangle and is parallel to the tangent of the rotation track of the adjacent wind turbines 4 or the ocean current machines 6.
The wind turbine 4 is provided with four fan blades 5, and the motion trail of the fan blades 5 is vertical to the rotating shaft 8 of the wind turbine 4. The solidity of the wind turbine 4 is 0.4-0.5, preferably 0.5. The ocean current machine 6 is provided with five blades 7, and the motion trail of the blades 7 is vertical to the rotating shaft 8 of the ocean current machine 6. The solidity of the ocean current machine 6 is 0.6-0.8, preferably 0.6. The flow velocity of the ocean current is low compared to the wind velocity, and in order to improve the power generation efficiency of the ocean current machine 6, it is necessary to select the ocean current machine 6 with a large solidity, that is, to increase the number of blades of the ocean current machine 6. The shape of the fan blade 5 of the wind turbine 4 and the shape of the blade of the ocean current machine 6 may be the same or different.
When the vertical axis double rotor wind and ocean current power generation apparatus 1 of the present embodiment is used, first, the main wind direction and the rotation speed ω of the wind turbine 4 are determined according to meteorological data and on-site observation and analysis. When the wind turbines 4 are installed, the main wind direction of sea wind is perpendicular to the side length of the regular triangle and is parallel to the tangential line of the motion track of the fan blades 5 of the adjacent wind turbines 4, so that the two wind turbines 4 facing the floating body platform 2 are opposite in rotation direction. And determining the main flow direction and the rotating speed alpha of the ocean current machine 6 according to the ocean real-time data analysis. The ocean current machines 6 are installed to enable the main flow direction of the ocean current to be perpendicular to the side length of the regular triangle and to be parallel to the motion track tangent line of the blade 7 of the adjacent ocean current machine 6, and therefore the two ocean current machines 6 in the main flow direction are ensured to be opposite in direction. The direction of a wind turbine 4 connected with a single double-rotor motor on the floating body platform 2 is opposite to that of an ocean current machine 6, and after the main wind direction and the main flow direction are determined, the floating body platform 2 is fixed by a fixed anchor.
When sea wind blows to the floating body platform 2 along the main wind direction, the wind machines 4 on the sea level rotate, and because the rotating directions of the two wind machines 4 which are connected with the wind power are opposite, and the flow direction of airflow formed between the two wind machines 4 is the same as the main wind direction, an acceleration effect is generated on the incoming flow, and further, higher wind speed is achieved when the incoming flow blows to the wind machines 4. Therefore, the rotating speed of the wind turbine 4 is larger, and more energy is generated; meanwhile, because the airflow generated by the wind turbine 4 in the main wind direction has the same flow direction, the resistance between the two is reduced, and the energy loss of the wind turbine 4 is further reduced.
Similarly, when the ocean current flows to the floating platform along the main flow direction, the ocean current machines 6 below the sea surface are rotated, and the two ocean current machines 6 which are in contact with the ocean current have opposite rotating directions, and the ocean current flow direction formed between the two ocean current machines 6 is the same as the main flow direction, so that an acceleration effect is generated on the incoming current, and further, the incoming current has higher flow velocity when flowing to the ocean current machines 6. Therefore, the rotational speed of the ocean current is higher, and more energy is generated; meanwhile, as the ocean current generated by the ocean current machine 6 in the main flow direction has the same flow direction, the resistance between the ocean current machine and the ocean current machine is reduced, and the energy loss of the ocean current machine 6 is further reduced.
When the sea wind blows, the fan blades 5 drive the rotating shaft 8 of the wind turbine 4 to rotate, and then drive the double-rotor reverse generator 3 to rotate; when ocean current in the ocean passes through the ocean current machine 6 under the sea level, the blades of the ocean current machine 6 are driven to rotate, and therefore the ocean current machine 6 and the double-rotor reverse generator 3 are driven to rotate. The vertical axis double-rotor wind energy and ocean current energy power generation device 1 can be provided with a plurality of groups side by side or in combination, under the combined action of sea wind and ocean current, the rotating shafts 8 of the wind turbine 4 and the ocean current generator 6 drive the two shafts of the double-rotor reverse generator 3 to rotate reversely, the relative rotating speed of the double rotors is increased to the greatest extent, and therefore the power generation efficiency of the generator is improved.
The principle and the implementation mode of the present invention are explained by applying specific examples in the present specification, and the above descriptions of the examples are only used to help understanding the method and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In view of the above, the present disclosure should not be construed as limiting the invention.
Claims (9)
1. A vertical axis birotor wind energy and ocean current energy power generation device is characterized in that: the wind power generation system comprises a double-rotor reverse generator, an ocean current machine, a wind turbine and a floating body platform, wherein the floating body platform is uniformly provided with a plurality of double-rotor reverse generators, two vertical shafts of each double-rotor reverse generator are respectively connected with the wind turbine and the ocean current machine in a rotating mode, the ocean current machines are located below the wind turbine, and the wind turbine and blades of the ocean current machines are opposite in rotating direction.
2. The vertical axis dual rotor wind and ocean current power plant of claim 1, wherein: and the floating body platform is connected with a fixed anchor.
3. The vertical axis dual rotor wind and ocean current power plant of claim 1, wherein: the floating body platform is in a regular triangle shape, and the double-rotor reverse generators are respectively arranged on the vertexes of the regular triangle.
4. The vertical axis dual rotor wind and ocean current power plant of claim 3, wherein: the side length of the regular triangle is 2-2.5 times of the diameter of the wind wheel of the wind turbine.
5. The vertical axis dual rotor wind and ocean current power plant of claim 1, wherein: the wind turbines or the ocean current machines distributed in the regular triangle shape have opposite rotation directions with the other two wind turbines or the ocean current machines, and the main wind direction or the main flow direction is perpendicular to the side length of the regular triangle and is parallel to the tangent of the rotation track of the adjacent wind turbines or the ocean current machines.
6. The vertical axis dual rotor wind and ocean current power plant of claim 1, wherein: the wind turbine is provided with four fan blades, and the motion tracks of the fan blades are perpendicular to the rotating shaft of the wind turbine.
7. The vertical axis dual rotor wind and ocean current power plant of claim 1, wherein: the solidity of the wind turbine is 0.4-0.5.
8. The vertical axis dual rotor wind and ocean current power plant of claim 1, wherein: the ocean current machine is provided with five blades, and the motion trail of each blade is perpendicular to the rotating shaft of the ocean current machine.
9. The vertical axis dual rotor wind and ocean current power plant of claim 1, wherein: the solidity of the ocean current machine is 0.6-0.8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552050.0A CN113236496A (en) | 2021-05-20 | 2021-05-20 | Vertical axis double-rotor wind energy and ocean current energy power generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110552050.0A CN113236496A (en) | 2021-05-20 | 2021-05-20 | Vertical axis double-rotor wind energy and ocean current energy power generation device |
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| CN113236496A true CN113236496A (en) | 2021-08-10 |
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| CN202110552050.0A Pending CN113236496A (en) | 2021-05-20 | 2021-05-20 | Vertical axis double-rotor wind energy and ocean current energy power generation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464347A (en) * | 2021-08-13 | 2021-10-01 | 中山大学 | Low-flow-velocity ocean current energy power generation device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202718815U (en) * | 2012-07-02 | 2013-02-06 | 司占博 | Marine floating type wind force, ocean current and solar energy integrated power generation platform |
| CN107120234A (en) * | 2017-06-20 | 2017-09-01 | 大连理工大学 | A kind of offshore floating type birotor vertical axis wind power generation platform |
| CN109441703A (en) * | 2018-12-25 | 2019-03-08 | 江苏科技大学 | A kind of sea pitching heaving manifold type wave energy-wind energy integrated generating device |
-
2021
- 2021-05-20 CN CN202110552050.0A patent/CN113236496A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202718815U (en) * | 2012-07-02 | 2013-02-06 | 司占博 | Marine floating type wind force, ocean current and solar energy integrated power generation platform |
| CN107120234A (en) * | 2017-06-20 | 2017-09-01 | 大连理工大学 | A kind of offshore floating type birotor vertical axis wind power generation platform |
| CN109441703A (en) * | 2018-12-25 | 2019-03-08 | 江苏科技大学 | A kind of sea pitching heaving manifold type wave energy-wind energy integrated generating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113464347A (en) * | 2021-08-13 | 2021-10-01 | 中山大学 | Low-flow-velocity ocean current energy power generation device |
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Application publication date: 20210810 |
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