CN112796919A - Tidal current energy power generation device with high-efficiency double-rotor motor structure - Google Patents
Tidal current energy power generation device with high-efficiency double-rotor motor structure Download PDFInfo
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- CN112796919A CN112796919A CN202011612476.2A CN202011612476A CN112796919A CN 112796919 A CN112796919 A CN 112796919A CN 202011612476 A CN202011612476 A CN 202011612476A CN 112796919 A CN112796919 A CN 112796919A
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- 238000010248 power generation Methods 0.000 title claims abstract description 19
- 238000004804 winding Methods 0.000 claims abstract description 24
- 238000013461 design Methods 0.000 claims abstract description 11
- 239000003822 epoxy resin Substances 0.000 claims description 4
- 229920000647 polyepoxide Polymers 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000010355 oscillation Effects 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 6
- 238000011161 development Methods 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying 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
- F03B—MACHINES OR ENGINES FOR LIQUIDS
- F03B11/00—Parts or details not provided for in, or of interest apart from, the preceding groups, e.g. wear-protection couplings, between turbine and generator
- F03B11/06—Bearing arrangements
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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
-
- 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
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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
- F03B3/00—Machines or engines of reaction type; Parts or details peculiar thereto
- F03B3/12—Blades; Blade-carrying rotors
- F03B3/121—Blades, their form or construction
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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
- Y02E10/20—Hydro energy
Abstract
The invention discloses a tidal current energy power generation device with a high-efficiency double-rotor motor structure. The turntable bearing comprises a turntable bearing inner ring rotating part, a turntable bearing outer ring rotating part and a central fixing shaft, wherein the turntable bearing inner ring rotating part and the turntable bearing outer ring rotating part are respectively arranged on a turntable bearing inner ring and a turntable bearing outer ring, and the central fixing shaft penetrates out of the turntable bearing inner ring rotating part. Under tidal current impact, the rotating part of the inner ring of the turntable bearing and the rotating part of the outer ring of the turntable bearing rotate reversely, so that the low-flow-rate starting performance is improved, the relative rotating speed of a motor magnet and a winding groove is nearly doubled, and the power generation efficiency of a motor is greatly improved; the inner ring paddle adopts a rose-shaped spiral incident flow design, the energy capturing efficiency of the inner ring area is increased, the outer ring paddle adopts lift force type blades and an outer ring is added, the efficiency loss caused by the oscillation of the outer ring paddle is reduced, and the energy capturing efficiency is improved.
Description
Technical Field
The invention relates to a tidal current energy power generation device, in particular to a tidal current energy power generation device with a high-efficiency double-rotor motor structure, which can work at a wide tidal current flow speed and supply energy to ocean equipment.
Background
The coastline of China is long and narrow, rivers and lakes are vertical and horizontal, and considerable ocean and hydraulic resources are possessed. Compared with other ocean renewable energy sources, tidal current energy has the advantages of high energy density, stable circulation, strong predictability and the like, and if the tidal current energy can be effectively utilized, the problem of exhaustion of fossil energy at present can be solved. Therefore, the search and research on the tidal current energy power generation device form is a serious subject for the ocean energy developers.
With the development of tidal current energy technology in China in recent years, a plurality of tidal current energy units developed in China are successfully connected to the grid or supply power to islands. However, the national trend energy development has two defects: most of the traditional tidal current energy devices in China are traditional horizontal shaft devices, the starting performance of the traditional tidal current energy devices is poor, most of the traditional tidal current energy devices are only suitable for sea areas with the maximum flow velocity larger than 2.5m/s, and the tidal current resources in the sea areas with the maximum flow velocity of more than 1.7m/s in China account for more than 60% of the total tidal current energy resources, and the tidal current resources are not developed fully; the tidal current energy technology in China mainly develops towards a higher-power unit, the small-sized tidal current energy power generation technology lacks attention, the large-power generation technology is different from the main grid connection technology, and the stable small-sized tidal current energy can be developed and can be used for in-situ energy supply of marine electric equipment. According to the design of the tidal current energy device with the inner-outer nested dual-rotor motor blade structure, when the device is developed in a medium-small size, electric energy can be stably output under the condition of relatively low flow velocity tidal current and used for in-situ energy supply of marine equipment instruments; the technology is applied to large tidal current energy devices and can promote the development of tidal current energy in low-flow-speed sea areas.
Disclosure of Invention
Based on the problem that the high starting performance and the high efficiency of the existing tidal current energy device cannot be achieved at the same time, the invention designs the tidal current energy power generation device with the high-efficiency double-rotor motor structure, which works under a wider tidal current flow rate and supplies energy to ocean equipment.
The technical scheme of the invention is as follows:
the turntable bearing comprises a turntable bearing inner ring rotating part, a turntable bearing outer ring rotating part and a central fixing shaft, wherein the turntable bearing inner ring rotating part and the turntable bearing outer ring rotating part are respectively arranged on a turntable bearing inner ring and a turntable bearing outer ring, and the central fixing shaft penetrates out of the turntable bearing inner ring rotating part.
The rotating part of the inner ring of the turntable bearing comprises an inner ring blade structure and a motor magnet, the inner ring blade structure is fixed on the inner ring of the turntable bearing, the inner ring blade structure is divided into an inner ring, an outer ring and a central shaft, the central shaft is positioned in the center of the inner ring, a circular through hole is formed in the central shaft, the blade tips of inner ring blades are arranged on the inner circumferential surface of the inner ring, the blade roots of the inner ring blades are arranged on the outer circumferential surface of the central shaft, an inner ring cavity is formed between the inner ring and the outer ring of the inner ring blade structure, a plurality of magnet grooves are arranged on the outer ring surface at intervals along the circumference in the inner ring cavity, the motor magnet is nested and assembled in the respective magnet grooves, and an annular inner ring magnet guide ring is inserted into the gap between the inner.
The rotating part of the outer ring of the turntable bearing comprises an outer ring blade structure and a motor coil, the outer ring blade structure is fixed on the outer ring of the turntable bearing, the outer ring blade structure comprises an inner ring and an outer ring, an outer ring cavity is formed between the inner ring and the outer ring of the outer ring blade structure, a plurality of winding grooves are arranged in the outer ring cavity at intervals along the circumference, the motor coil is embedded in each winding groove through a three-phase winding type winding of a winding framework, outer ring blades are uniformly fixed on the outer peripheral surface of the outer ring blade structure at intervals, blade roots of the outer ring blades are fixed on the outer ring of the outer ring blade structure, blade tips of the outer ring blades face outwards, an outer ring blade tip ring is designed on the outer ring blades.
The central fixed shaft penetrates out of a circular through hole in the center of an inner ring of the inner ring blade structure, a top connector is installed at the top end of the penetrating central fixed shaft, the inner ring blade and the outer ring blade rotate around the central fixed shaft in opposite directions, and a disc of the central fixed shaft is fixed with an external installation support through bolts.
And the disc of the central fixed shaft and the central fixed shaft are integrally printed.
The motor magnet and the inner ring magnet guiding ring are encapsulated in the inner ring blade structure through epoxy resin.
The number of the outer ring blades is 6-12, and the outer ring blades are lift type blades.
The inner ring blades are designed in a rose-shaped spiral incident flow mode, the number of the blades of the inner ring blades is 3-5, the top ends of the inner ring blades protrude, the number of the thread turns of the blades is 0.5, and the thread starting angle is 170 degrees.
The fan area of the inner ring paddle is larger than that of the outer ring paddle.
The invention has the beneficial effects that:
(1) when the rotor is impacted by tide, the rotating part of the inner ring of the turntable bearing and the rotating part of the outer ring of the turntable bearing rotate reversely, so that the low-flow-rate starting performance is improved, the relative rotating speed of a motor magnet and a winding groove can be improved by nearly one time, and the power generation efficiency of the motor is greatly improved.
(2) The inner ring blades adopt a rose-shaped spiral incident flow design, so that the energy capturing efficiency of the inner ring area is improved.
(3) The outer ring blades maximize outer ring tide energy capturing efficiency by adopting a lift force type blade design, and the outer ring design effectively fixes the outer ring blades, so that efficiency loss caused by outer ring blade oscillation is reduced.
Drawings
FIG. 1 is an overall design of the present invention;
FIG. 2 is a design view of a rotating part of the inner race of the bearing of the present invention;
FIG. 3 is a design view of the rotating portion of the outer race of the bearing of the present invention;
FIG. 4 is a bobbin diagram;
FIG. 5 is a layout of a coil wound in a winding coil slot;
FIG. 6 is a center fixed shaft layout;
FIG. 7 is a top connector layout;
FIG. 8 is a schematic view of the mounting of the central shaft, top connector and bracket;
fig. 9 is an installation view of the device after assembly.
In the figure, 1 inner ring paddle, 2 motor magnets, 3 inner ring magnet guiding rings, 4 winding frameworks, 5 coils, 6 outer ring paddles, 7 outer ring rings, 8 turntable bearing inner rings, 9 turntable bearing outer rings, 10 central fixed shafts, 11 mounting brackets and 12 top connectors.
Detailed Description
The invention is further illustrated by the following figures and examples.
As shown in fig. 1, 2 and 9, the present invention includes a turntable bearing inner ring rotating part, a turntable bearing outer ring rotating part and a central fixed shaft 10, wherein the turntable bearing inner ring rotating part and the turntable bearing outer ring rotating part are respectively arranged on a turntable bearing inner ring 8 and a turntable bearing outer ring 9, and the central fixed shaft 10 penetrates out of the turntable bearing inner ring rotating part; when impacted by tidal currents, the rotating part of the inner ring of the turntable bearing and the rotating part of the outer ring of the turntable bearing rotate oppositely around the central fixed shaft 10 in a rotor mode.
As shown in fig. 2, the rotating part of the inner ring of the turntable bearing comprises an inner ring blade structure and a motor magnet 2, the inner ring blade structure is fixed on an inner ring 8 of the turntable bearing, the inner ring blade structure is divided into an inner ring, an outer ring and a central shaft, the central shaft is positioned at the center of the inner ring, the central shaft is provided with a circular through hole, the blade tips of inner ring blades 1 are arranged on the inner circumferential surface of the inner ring, the blade roots of the inner ring blades 1 are arranged on the outer circumferential surface of the central shaft, the inner ring blades 1 and the inner ring blade structure are integrally printed, an inner ring cavity is formed between the inner ring and the outer ring of the inner ring blade structure, a plurality of magnet grooves are arranged on the outer ring surface at intervals along the circumference inside, an annular inner ring magnet guiding ring 3 is inserted into a gap between the inner part of an inner ring cavity without a magnet groove and an inner ring of the inner ring blade structure, and the motor magnet 2 and the inner ring magnet guiding ring 3 are encapsulated in the inner ring blade structure through epoxy resin.
As shown in fig. 4 and 5, the rotating portion of the outer ring of the turntable bearing comprises an outer ring blade structure and a motor coil 5, the outer ring blade structure is fixed on the outer ring 9 of the turntable bearing, the outer ring blade structure comprises an inner ring and an outer ring, an outer annular cavity is formed between the inner ring and the outer ring of the outer ring blade structure, a plurality of winding slots are arranged in the outer annular cavity at intervals along the circumference, the motor coil 5 is embedded in each winding slot through 4 three-phase winding type windings of a winding framework, in the specific implementation, every three adjacent winding frameworks are ABC three-phase windings respectively, every two windings are the same phase winding framework, every phase coil is wound on nine frameworks, and finally the coil is encapsulated in the outer ring blade structure through epoxy resin.
As shown in fig. 3 and 5, outer ring blades 6 are uniformly fixed at intervals along the outer circumferential surface of an outer ring of the outer ring blade structure, the number of the outer ring blades 6 is 6-12 blades which are directly and flexibly arranged as required, the outer ring blades 2 are lift-type blades, blade roots of the outer ring blades 6 are fixed on the outer ring of the outer ring blade structure, blade tips of the outer ring blades 6 face outwards, an outer ring 7 is designed on the outer ring blades 6, and the blade tips of the outer ring blades 6 and the outer ring 7 are fixed into a whole, so that energy loss caused by oscillation of the outer ring blades 6 when the outer ring blades 6 face the flow is avoided.
As shown in fig. 6-9, the central fixed shaft 10 penetrates through a circular through hole at the center of the inner ring blade structure, a top connector 12 is mounted at the top end of the penetrating central fixed shaft 10, the inner and outer ring blades rotate around the central fixed shaft in opposite directions, the top connector 12 is used for limiting the axial movement of the inner ring part of the turntable bearing, and the disk of the central fixed shaft 10 is fixed with an external mounting bracket 11 through bolts. The embodied discs of the central stationary shaft 10 are printed integrally with the central stationary shaft 10.
In specific implementation, the inner ring blades 1 are designed in a rose-shaped spiral incident flow mode, the number of the blades of the inner ring blades 1 is 3-5, the top ends of the inner ring blades 1 protrude, the number of thread turns of the blades is 0.5, the thread starting angle is 170 degrees, and the sector area of the inner ring blades 1 is larger than that of the outer ring blades 6. The novel structure of the inner ring paddle 1 can greatly improve the tidal current incident efficiency of the inner ring.
The test was carried out in a laboratory large cross-section wave-current bath using a device with a diameter of 0.5 m. According to the experimental result, the device can realize loaded starting at the flow speed of more than 0.15 m/s; under the flow velocity of 0.3m/s, the rotor efficiency of the device exceeds 25 percent, and the generating power is close to 0.5W; at a flow velocity of 0.5m/s, the rotor efficiency of the device exceeds 30%, and the generated power exceeds 2.5W.
The invention is characterized in that:
the motor adopts an annular motor, and the motor magnet and the winding can rotate oppositely around the fixed shaft at the same time, so that the annular motor is easier to process and lower in cost compared with a common motor in water sealing; under tidal current impact, the rotating part of the inner ring of the turntable bearing and the rotating part of the outer ring of the turntable bearing rotate reversely, so that the low-flow-rate starting performance is improved, the relative rotating speed of a motor magnet and a winding groove is nearly doubled, and the power generation efficiency of the motor is greatly improved; the inner ring paddle adopts a rose-shaped spiral incident flow design, the number of the blades is 3-5, the top end of each blade is protruded, the number of thread turns of each paddle is 0.5, the thread starting angle is 170 degrees, the area of each blade is large, the energy capturing efficiency of the inner ring area is improved, the outer ring paddle adopts lift force type blades and an outer ring is added, the efficiency loss caused by the oscillation of the outer ring paddle is reduced, and the energy capturing efficiency is improved.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a trend energy power generation facility of high efficiency birotor motor structure which characterized in that: the turntable bearing comprises a turntable bearing inner ring rotating part, a turntable bearing outer ring rotating part and a central fixed shaft (10), wherein the turntable bearing inner ring rotating part and the turntable bearing outer ring rotating part are respectively arranged on a turntable bearing inner ring (8) and a turntable bearing outer ring (9), and the central fixed shaft (10) penetrates out of the turntable bearing inner ring rotating part;
the rotating part of the inner ring of the turntable bearing comprises an inner ring blade structure and a motor magnet (2), the inner ring blade structure is fixed on an inner ring (8) of the turntable bearing, the inner ring blade structure is divided into an inner ring, an outer ring and a central shaft, the central shaft is positioned at the center of the inner ring, the central shaft is provided with a circular through hole, the blade tips of inner ring blades (1) are arranged on the inner circumferential surface of the inner ring, the blade roots of the inner ring blades (1) are arranged on the outer circumferential surface of the central shaft, an inner annular cavity is formed between the inner ring and the outer ring of the inner ring blade structure, a plurality of magnet grooves are arranged on the outer surface of the inner annular cavity at intervals along the circumference, the motor magnet (2) is nested and assembled in the magnet grooves, and an annular inner ring guide magnet ring (3) is inserted into a gap between the;
the turntable bearing outer ring rotating part comprises an outer ring blade structure and a motor coil (5), the outer ring blade structure is fixed on a turntable bearing outer ring (9), the outer ring blade structure comprises an inner ring and an outer ring, an outer ring cavity is formed between the inner ring and the outer ring of the outer ring blade structure, a plurality of winding grooves are arranged in the outer ring cavity along the circumference at intervals, the motor coil (5) is embedded in each winding groove through a bobbin (4) three-phase winding type winding, outer ring blades (6) are uniformly fixed on the outer ring of the outer ring blade structure along the outer circumferential surface at intervals, blade roots of the outer ring blades (6) are fixed on the outer ring of the outer ring blade structure, blade tips of the outer ring blades (6) face outwards, an outer ring (7) is designed on the outer ring blades (6), and blade tips of the outer ring blades (6.
2. The tidal current energy power generation device of a high-efficiency double-rotor motor structure according to claim 1, wherein: the central fixed shaft (10) penetrates out of a circular through hole in the center of an inner ring of the inner ring blade structure, a top connector (12) is installed at the top end of the penetrating central fixed shaft (10), the inner ring blade and the outer ring blade rotate around the central fixed shaft in opposite directions, and a disc of the central fixed shaft (10) is fixed with an external installation support (11) through bolts.
3. The tidal current energy power generation device of a high-efficiency double-rotor motor structure according to claim 2, wherein: and the disc of the central fixed shaft (10) and the central fixed shaft (10) are integrally printed.
4. The tidal current energy power generation device of a high-efficiency double-rotor motor structure according to claim 1, wherein: the motor magnet (2) and the inner ring magnet guiding ring (3) are encapsulated in the inner ring blade structure through epoxy resin.
5. The tidal current energy power generation device of a high-efficiency double-rotor motor structure according to claim 1, wherein: the number of the outer ring blades (6) is directly and flexibly arranged in 6-12 pieces according to requirements, and the outer ring blades (2) adopt lift force type blades.
6. The tidal current energy power generation device of a high-efficiency double-rotor motor structure according to claim 1, wherein: the inner ring paddle (1) adopts a rosette spiral incident flow design, and the number of the blades of the inner ring paddle (1) adopts a 3-5 blade form.
7. The tidal current energy power generation device of a high-efficiency double-rotor motor structure according to claim 1, wherein: the fan surface area of the inner ring paddle (1) is larger than the fan blade area of the outer ring paddle (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612476.2A CN112796919B (en) | 2020-12-30 | 2020-12-30 | Tidal current energy power generation device with high-efficiency double-rotor motor structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011612476.2A CN112796919B (en) | 2020-12-30 | 2020-12-30 | Tidal current energy power generation device with high-efficiency double-rotor motor structure |
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| Publication Number | Publication Date |
|---|---|
| CN112796919A true CN112796919A (en) | 2021-05-14 |
| CN112796919B CN112796919B (en) | 2022-05-24 |
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| CN202011612476.2A Active CN112796919B (en) | 2020-12-30 | 2020-12-30 | Tidal current energy power generation device with high-efficiency double-rotor motor structure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113676079A (en) * | 2021-07-30 | 2021-11-19 | 浙江大学 | Dual-rotor micro-flow energy capturing power generation device based on piezoelectric effect |
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| US20050285407A1 (en) * | 2001-09-17 | 2005-12-29 | Davis Barry V | Hydro turbine generator |
| US20060244267A1 (en) * | 2002-11-28 | 2006-11-02 | Fraenkel Peter L | Supporting structures for water current (incluiding tidal stream) turbines |
| US20070018459A1 (en) * | 2005-07-20 | 2007-01-25 | Williams Herbert L | Hydroelectric turbine and method for producing electricity from tidal flow |
| WO2010051647A1 (en) * | 2008-11-10 | 2010-05-14 | Organoworld Inc. | Turbine annular axial rotor |
| CN102278262A (en) * | 2011-07-06 | 2011-12-14 | 大连理工大学 | Forward/reverse rotating bilobed wheel horizontal shaft tide power unit |
| CN102400843A (en) * | 2011-10-26 | 2012-04-04 | 哈尔滨工程大学 | Flow guide reaction type double-rotor tidal current energy water turbine |
| CN103380276A (en) * | 2011-01-20 | 2013-10-30 | 海立斯股份有限公司 | Rotor apparatus |
| US8777555B1 (en) * | 2013-02-21 | 2014-07-15 | Lockheed Martin Corporation | Yaw drive tidal turbine system and method |
| CN105003381A (en) * | 2015-05-29 | 2015-10-28 | 邓允河 | Underwater perpendicular shaft stable type electricity generator |
| US20180087484A1 (en) * | 2015-02-12 | 2018-03-29 | Hydrokinetic Energy Corp | Hydroelectric/Hydrokinetic Turbine and Methods for Making and Using Same |
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2020
- 2020-12-30 CN CN202011612476.2A patent/CN112796919B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050285407A1 (en) * | 2001-09-17 | 2005-12-29 | Davis Barry V | Hydro turbine generator |
| US20060244267A1 (en) * | 2002-11-28 | 2006-11-02 | Fraenkel Peter L | Supporting structures for water current (incluiding tidal stream) turbines |
| US20070018459A1 (en) * | 2005-07-20 | 2007-01-25 | Williams Herbert L | Hydroelectric turbine and method for producing electricity from tidal flow |
| WO2010051647A1 (en) * | 2008-11-10 | 2010-05-14 | Organoworld Inc. | Turbine annular axial rotor |
| CN103380276A (en) * | 2011-01-20 | 2013-10-30 | 海立斯股份有限公司 | Rotor apparatus |
| CN102278262A (en) * | 2011-07-06 | 2011-12-14 | 大连理工大学 | Forward/reverse rotating bilobed wheel horizontal shaft tide power unit |
| CN102400843A (en) * | 2011-10-26 | 2012-04-04 | 哈尔滨工程大学 | Flow guide reaction type double-rotor tidal current energy water turbine |
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| US20180087484A1 (en) * | 2015-02-12 | 2018-03-29 | Hydrokinetic Energy Corp | Hydroelectric/Hydrokinetic Turbine and Methods for Making and Using Same |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113676079A (en) * | 2021-07-30 | 2021-11-19 | 浙江大学 | Dual-rotor micro-flow energy capturing power generation device based on piezoelectric effect |
| WO2023005003A1 (en) * | 2021-07-30 | 2023-02-02 | 浙江大学 | Dual-rotor microflow-energy capture and power generation device based on piezoelectric effect |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112796919B (en) | 2022-05-24 |
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