CN114776525A - Wind power generation driving device - Google Patents
Wind power generation driving device Download PDFInfo
- Publication number
- CN114776525A CN114776525A CN202210474145.XA CN202210474145A CN114776525A CN 114776525 A CN114776525 A CN 114776525A CN 202210474145 A CN202210474145 A CN 202210474145A CN 114776525 A CN114776525 A CN 114776525A
- Authority
- CN
- China
- Prior art keywords
- power output
- rotor
- output shaft
- ventilation shell
- sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010248 power generation Methods 0.000 title claims abstract description 18
- 238000009423 ventilation Methods 0.000 claims abstract description 28
- 230000005611 electricity Effects 0.000 abstract description 5
- 230000005540 biological transmission Effects 0.000 description 6
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
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
- 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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- 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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors
- F03D1/025—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors coaxially arranged
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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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/0608—Rotors characterised by their aerodynamic shape
- F03D1/0633—Rotors characterised by their aerodynamic shape of the blades
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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
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
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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
- F03D15/00—Transmission of mechanical 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
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The invention discloses a wind power generation driving device, which comprises a frame, an inner rotor and an outer rotor sleeved outside the inner rotor, wherein the inner rotor is arranged in the frame; the inner rotor comprises a power output shaft and inner spiral blades arranged on the power output shaft; the outer rotor comprises a ventilation shell, outer spiral blades arranged on the inner side face of the ventilation shell, a power output sleeve positioned at the front end of the ventilation shell, a first connecting structure connected with the power output sleeve and the front end of the ventilation shell, a support sleeve positioned at the rear end of the ventilation shell, and a second connecting structure connected with the support sleeve and the rear end of the ventilation shell. The inner rotor and the outer rotor respectively convert wind energy into the rotational kinetic energy of the rotor through the helical blades, and the inner rotor and the outer rotor respectively output power through the power output shaft and the power output sleeve to drive the generator, so that the technical problem of driving the generator by wind power is solved; and the outer rotor of inner rotor and the generator of different power of outer rotor drive generate electricity, and it is high to the wind-force utilization ratio of equidimension not.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a wind power generation driving device.
Background
The existing wind generating set generally adopts a wind turbine with three blades, and the wind turbine has large size and large installation height.
Disclosure of Invention
In view of the above, the present invention provides a new wind power generation driving device to solve the technical problem of driving a generator by wind power.
The invention relates to a wind power generation driving device, which comprises a frame, an inner rotor and an outer rotor sleeved outside the inner rotor;
the inner rotor comprises a power output shaft and inner spiral blades arranged on the power output shaft;
the outer rotor comprises a straight tubular ventilation shell, outer spiral blades arranged on the inner side surface of the ventilation shell, a power output sleeve positioned at the front end of the ventilation shell, a first connecting structure for connecting the power output sleeve and the front end of the ventilation shell, a support sleeve positioned at the rear end of the ventilation shell, and a second connecting structure for connecting the support sleeve and the rear end of the ventilation shell, wherein the outer spiral blades are sleeved outside the inner spiral blades;
the front end of the power output shaft penetrates out of the power output sleeve, a first bearing for supporting the power output shaft is arranged in the power output shaft of the power output sleeve, and a second bearing for supporting the power output sleeve is arranged on the rack; the rear end of the power output shaft penetrates into the support sleeve, the power output shaft is connected with the support sleeve through a third bearing, and the power output shaft or the support sleeve is arranged on the rack through a fourth bearing.
Furthermore, the ventilation shell is a conical tube with a small front end and a large rear end.
Furthermore, the first connecting structure and the second connecting structure are ribs uniformly arranged along the circumferential direction.
The invention has the beneficial effects that:
1. the inner rotor and the outer rotor of the wind power generation driving device respectively convert wind energy into the rotational kinetic energy of the rotor through the helical blades, and the inner rotor and the outer rotor respectively output power through the power output shaft and the power output sleeve to drive the generator, so that the technical problem of driving the generator by using wind power is solved.
2. The inner rotor of the wind power generation driving device is used for driving the generator with relatively low power to generate power, and the rotor of the wind power generation driving device is used for driving the engine with relatively high power to generate power, so that when the wind power is low, the inner rotor mainly drives the generator to generate power, and when the wind power is high, the inner rotor and the outer rotor simultaneously work to drive the two generators to generate power, thereby improving the utilization rate of the wind power with different sizes.
Drawings
FIG. 1 is a schematic perspective view of a wind power generation driving device;
FIG. 2 is a schematic perspective view of another perspective of the wind power generation driving device;
FIG. 3 is a schematic cross-sectional view of a wind power plant;
fig. 4 is a schematic perspective view of an inner rotor;
FIG. 5 is an axial schematic view of the inner rotor;
FIG. 6 is a schematic structural view of three spiral blades connected to a power output shaft;
FIG. 7 is an axial schematic view of FIG. 6;
fig. 8 is a schematic perspective view of an outer rotor;
FIG. 9 is a schematic perspective view of an outer rotor with another angle of view;
fig. 10 is a perspective view of the outer helical blade.
Detailed Description
The invention is further described below with reference to the figures and examples.
The wind power generation driving device comprises a frame 1, an inner rotor and an outer rotor sleeved outside the inner rotor.
The inner rotor comprises a power output shaft 2 and inner spiral blades 3 arranged on the power output shaft.
The outer rotor comprises a straight tubular ventilation shell 4, outer spiral blades 5 arranged on the inner side surface of the ventilation shell, a power output sleeve 6 positioned at the front end of the ventilation shell, a first connecting structure 7 connected with the power output sleeve and the front end of the ventilation shell, a support sleeve 8 positioned at the rear end of the ventilation shell, and a second connecting structure 9 connected with the support sleeve and the rear end of the ventilation shell, wherein the outer spiral blades are sleeved outside the inner spiral blades.
In specific implementation, the inner helical blade 3 and the outer helical blade 5 may be one piece, or may be several pieces uniformly arranged along the circumferential direction, for example, 2 pieces, 3 pieces, 4 pieces, 5 pieces, 6 pieces, 7 pieces, 8 pieces, 9 pieces, and the like.
The front end of the power output shaft penetrates out of the power output sleeve, a first bearing 10 for supporting the power output shaft is arranged in the power output shaft of the power output sleeve, and a second bearing 11 for supporting the power output sleeve is arranged on the rack; the rear end of the power output shaft penetrates into the support sleeve, and the power output shaft is connected with the support sleeve through a third bearing 12. The support sleeve is arranged on the frame through a fourth bearing 13, but in different embodiments, the power output shaft may also be arranged on the frame through the fourth bearing.
In this embodiment, the first connecting structure 7 and the second connecting structure 9 are both ribs uniformly arranged along the circumferential direction, and the ribs occupy small space and have small resistance to wind; in actual production, the power output sleeve and the support sleeve can be manufactured into a whole with the corresponding ribs in advance, the inner rotor is firstly installed into the outer rotor during assembly, and then the other ends of the ribs can be connected with the end of the ventilation shell in a welding or bolt connection mode. Of course, the first and second connection structures may take other forms in different embodiments.
In this embodiment, the ventilation shell is a conical tube with a small front end and a large rear end, the corresponding inner helical blades and outer helical blades are conical helices, an airflow channel between two adjacent inner helical blades on the inner rotor is a variable diameter helical channel, and an airflow channel between two adjacent outer helical blades on the outer rotor is also a variable diameter helical channel; the orthographic projection of the spiral line forming the spiral surface of the spiral blade on the surface vertical to the power output shaft can be a golden spiral line, an Archimedes spiral line or a logarithmic spiral line and the like. Of course, in various embodiments, the vent housing may be a cylindrical tube.
The wind power generation set adopting the wind power generation driving device in the embodiment in specific implementation further comprises a first generator 14 driven by the inner rotor and a second generator 15 driven by the outer rotor, wherein the power of the first generator is smaller than that of the second generator.
The power output shaft of the inner rotor is connected with the rotor shaft of the first generator through a first transmission structure 16 consisting of a synchronous wheel and a synchronous belt; and the power output sleeve of the outer rotor is connected with the rotor shaft of the second generator through a second transmission structure 17 consisting of a synchronous wheel and a synchronous belt. Of course, the first transmission structure and the second transmission structure may be in other forms in different embodiments, such as a gear transmission structure or a chain wheel transmission structure.
The inner rotor is used for driving the generator with relatively low power to generate electricity, and the rotor of the inner rotor is used for driving the engine with relatively high power to generate electricity, so that when the wind power is low, the inner rotor mainly drives the generator to work to generate electricity, and when the wind power is high, the inner rotor and the outer rotor simultaneously work to drive the two generators to generate electricity, and the utilization rate of the wind power with different sizes is improved.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (3)
1. Wind power generation drive arrangement, its characterized in that: comprises a frame, an inner rotor and an outer rotor sleeved outside the inner rotor;
the inner rotor comprises a power output shaft and inner spiral blades arranged on the power output shaft;
the outer rotor comprises a straight tubular ventilation shell, outer spiral blades arranged on the inner side surface of the ventilation shell, a power output sleeve positioned at the front end of the ventilation shell, a first connecting structure for connecting the power output sleeve and the front end of the ventilation shell, a support sleeve positioned at the rear end of the ventilation shell, and a second connecting structure for connecting the support sleeve and the rear end of the ventilation shell, wherein the outer spiral blades are sleeved outside the inner spiral blades;
the front end of the power output shaft penetrates out of the power output sleeve, a first bearing for supporting the power output shaft is arranged in the power output shaft of the power output sleeve, and a second bearing for supporting the power output sleeve is arranged on the rack; the rear end of the power output shaft penetrates into the support sleeve, the power output shaft is connected with the support sleeve through a third bearing, and the power output shaft or the support sleeve is arranged on the rack through a fourth bearing.
2. The wind power generation drive apparatus according to claim 1, characterized in that: the ventilation shell is a conical tube with a small front end and a large rear end.
3. The wind power generation drive apparatus according to claim 1, characterized in that: the first connecting structure and the second connecting structure are ribs uniformly arranged along the circumferential direction.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474145.XA CN114776525B (en) | 2022-04-29 | 2022-04-29 | Wind power generation driving device |
| PCT/CN2023/088288 WO2023207626A1 (en) | 2022-04-29 | 2023-04-14 | Wind power generation driving device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210474145.XA CN114776525B (en) | 2022-04-29 | 2022-04-29 | Wind power generation driving device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114776525A true CN114776525A (en) | 2022-07-22 |
| CN114776525B CN114776525B (en) | 2023-04-18 |
Family
ID=82434219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210474145.XA Active CN114776525B (en) | 2022-04-29 | 2022-04-29 | Wind power generation driving device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN114776525B (en) |
| WO (1) | WO2023207626A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023207626A1 (en) * | 2022-04-29 | 2023-11-02 | 重庆螺旋线科技发展有限公司 | Wind power generation driving device |
| CN117404247A (en) * | 2023-12-13 | 2024-01-16 | 齐鲁工业大学(山东省科学院) | Variable-lead helical blade wind turbine with wing type wind collecting cover |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757030U (en) * | 2010-04-23 | 2011-03-09 | 林其访 | System for generating power by recycling vented air |
| CN103277254A (en) * | 2013-05-22 | 2013-09-04 | 江苏中蕴风电科技有限公司 | Pipe flow direct-drive power generating device |
| US20130284608A1 (en) * | 2012-04-29 | 2013-10-31 | LGT Advanced Technology Limited | Wind energy system and method for using same |
| CN207864096U (en) * | 2017-11-29 | 2018-09-14 | 许荣华 | The Double-rotor wind-driven generator on various electric vehicles and in wheel shell can be mounted on |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556381Y (en) * | 2002-05-27 | 2003-06-18 | 徐鸣 | Coaxial reverse double-rotor with-mill generator |
| CN108521195A (en) * | 2018-05-09 | 2018-09-11 | 寇开郁 | Generator is directly driven in the slow-speed of revolution |
| CN114776525B (en) * | 2022-04-29 | 2023-04-18 | 重庆螺旋线科技发展有限公司 | Wind power generation driving device |
-
2022
- 2022-04-29 CN CN202210474145.XA patent/CN114776525B/en active Active
-
2023
- 2023-04-14 WO PCT/CN2023/088288 patent/WO2023207626A1/en unknown
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201757030U (en) * | 2010-04-23 | 2011-03-09 | 林其访 | System for generating power by recycling vented air |
| US20130284608A1 (en) * | 2012-04-29 | 2013-10-31 | LGT Advanced Technology Limited | Wind energy system and method for using same |
| CN103277254A (en) * | 2013-05-22 | 2013-09-04 | 江苏中蕴风电科技有限公司 | Pipe flow direct-drive power generating device |
| CN207864096U (en) * | 2017-11-29 | 2018-09-14 | 许荣华 | The Double-rotor wind-driven generator on various electric vehicles and in wheel shell can be mounted on |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023207626A1 (en) * | 2022-04-29 | 2023-11-02 | 重庆螺旋线科技发展有限公司 | Wind power generation driving device |
| CN117404247A (en) * | 2023-12-13 | 2024-01-16 | 齐鲁工业大学(山东省科学院) | Variable-lead helical blade wind turbine with wing type wind collecting cover |
| CN117404247B (en) * | 2023-12-13 | 2024-03-01 | 齐鲁工业大学(山东省科学院) | Variable-lead helical blade wind turbine with wing type wind collecting cover |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114776525B (en) | 2023-04-18 |
| WO2023207626A1 (en) | 2023-11-02 |
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