CN219587698U - Vertical axis wind turbine - Google Patents
Vertical axis wind turbine Download PDFInfo
- Publication number
- CN219587698U CN219587698U CN202321408245.9U CN202321408245U CN219587698U CN 219587698 U CN219587698 U CN 219587698U CN 202321408245 U CN202321408245 U CN 202321408245U CN 219587698 U CN219587698 U CN 219587698U
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- Prior art keywords
- fan blade
- motor
- blade support
- planetary gear
- gear set
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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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Abstract
The utility model provides a vertical axis wind driven generator, which comprises a machine base, a fan blade support, a planetary gear set and a motor, wherein the bottom of the fan blade support is rotationally connected with the outer side of the machine base through an inner bearing; a plurality of fan blades are uniformly arranged on the outer side of the fan blade support, and the fan blades are movably arranged on the fan blade support through a retracting mechanism. The utility model has the advantages of high power generation efficiency and motor protection in strong wind.
Description
Technical Field
The utility model relates to the technical field of generators, in particular to a vertical axis wind turbine.
Background
The vertical axis wind turbine has the advantages of simple structure, non-directivity, low noise and the like, and is widely applied to places such as base stations and the like needing standby power supply. However, the existing vertical axis generator uses wind power to drive the fan blades to rotate, so as to drive the rotor of the motor to rotate in the stator, the stator coil winding can cut the magnetic force lines of remanence of the rotor, and electromagnetic induction is used for generating electricity.
However, the wind power efficiency of the vertical axis wind power generator is poor, especially when the wind power is small and the rotation speed of the blades is low, the rotation speed of the motor rotor is also low, so that the power generation efficiency of the generator is low; when the vertical axis wind driven generator encounters strong wind, the rotating speed of the vertical axis wind driven generator is difficult to control, and an internal motor is easily damaged due to the excessively high rotating speed generated by strong air flow.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a vertical axis wind driven generator which has the advantages of high power generation efficiency and motor protection in strong wind.
The technical scheme of the utility model is as follows: the vertical axis wind driven generator comprises a machine base, a fan blade support, a planetary gear set and a motor, wherein the bottom of the fan blade support is rotationally connected with the outer side of the machine base through an inner bearing, the top of the fan blade support is fixedly connected with the outer side of a sun gear of the planetary gear set, the fan blade support, the machine base and the planetary gear set enclose a motor cavity, the motor is positioned in the motor cavity, the top of a stator shell of the motor is rotationally connected with a planetary gear of the planetary gear set through a rotating shaft, one end of a rotor of the motor extends out of the machine base and is rotationally connected with the bottom of the stator shell of the motor and the machine base sequentially through the bearing, and the other end of the rotor of the motor extends out of the stator shell of the motor and is fixedly connected with an inner gear ring of the planetary gear set through the bearing and is rotationally connected with the top of the stator shell of the motor; a plurality of fan blades are uniformly arranged on the outer side of the fan blade support, and the fan blades are movably arranged on the fan blade support through a retracting mechanism. The fan blade is installed in the fan blade support through the retracting mechanism, the fan blade can be retracted and adjusted according to the wind speed, overspeed rotation caused by strong wind blowing the fan blade is avoided, the fan blade support drives a motor rotor fixedly connected with the inner gear ring to rotate through the sun gear, the planetary gear set is utilized for accelerating, the fan blade drives the fan blade support to rotate for one circle, and the rotor of the motor completes multiple rotations, so that the power generation efficiency of the wind driven generator is effectively improved.
The retractable mechanism comprises a retractable motor and a fan blade rotating shaft, one end of the fan blade, which is close to the fan blade support, is rotationally connected with the fan blade support through the fan blade rotating shaft, a space for retractable of the fan blade is arranged outside the fan blade support, one end of the fan blade rotating shaft extends out of the fan blade support and is fixedly provided with a linkage gear, the retractable motor is fixedly arranged at the bottom of the fan blade support, and the output end of the retractable motor is meshed with the linkage gear through a driving gear. The fan blade rotating shaft is rotated through the receiving and discharging machine, so that the fan blade is received and released in the fan blade bracket when the fan is strong, and the fan blade is unfolded for use when the power is generated in daily life.
The power supply device is characterized in that a built-in lithium battery and a wireless module are arranged on the winding and unwinding motor, the built-in lithium battery is electrically connected with the winding and unwinding motor and used for supplying power to the winding and unwinding motor, and the wireless module is electrically connected with the winding and unwinding motor and used for remotely starting and stopping the winding and unwinding motor.
The fan blade support is provided with a top cover, the top cover is positioned above the planetary gear set, and the outer edge of the top cover is fixedly connected with the fan blade support. The top cover protects the planetary gear set at the top of the fan blade support, and ensures the normal operation of the planetary gear set.
The fan blade support is characterized in that a limiting column is arranged on the outer side of the fan blade support, and the limiting column is contacted with the leeward surface of the fan blade to limit the expansion angle of the fan blade. The angle that the spacing post can guarantee the flabellum and expand, when the flabellum windward rotated, spacing post carries out spacingly to it to reduce the torsion that receives the receipts electric motor.
The beneficial effects of the utility model are as follows:
in the scheme, the fan blade support drives the motor rotor fixedly connected with the inner gear ring to rotate through the sun gear, the planetary gear set is utilized for accelerating, the fan blades drive the fan blade support to rotate for one circle, and the rotor of the motor completes multiple circles of rotation, so that the power generation efficiency of the wind driven generator is effectively improved; the fan blade is arranged in the fan blade bracket through the retracting mechanism, and can be retracted and adjusted according to the wind speed, so that the motor damage caused by overspeed rotation due to strong wind blowing the fan blade is avoided.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of another directional structure of the present utility model;
FIG. 3 is a schematic view of a fan blade of the present utility model;
FIG. 4 is a schematic view of the structure of the present utility model with the top cover removed;
fig. 5 is a partial enlarged view of a in fig. 2.
Reference numerals: 1. a fan blade support; 2. a planetary gear set; 21. a sun gear; 22. a planet wheel; 23. an inner gear ring; 3. a motor; 4. a fan blade; 41. a fan blade rotating shaft; 5. a base; 6. an inner bearing; 7. a bearing; 8. a top cover; 9. a limit column; 11. a winding and unwinding motor; 12. a drive gear; 13. and a linkage gear.
Detailed Description
In order to make the technical solution of the present utility model better understood by those skilled in the art, the following description is made in detail with reference to the accompanying drawings, and other embodiments obtained by those skilled in the art without making any inventive effort are all within the scope of the present utility model.
As shown in fig. 1 to 5, the utility model provides a vertical axis wind turbine, which comprises a frame 5, a fan blade support 1, a planetary gear set 2 and a motor 3, wherein the bottom of the fan blade support 1 is rotationally connected with the outer side of the frame 5 through an inner bearing 6, the top of the fan blade support 1 is fixedly connected with the outer side of a sun gear 21 of the planetary gear set, the fan blade support 1, the frame 5 and the planetary gear set 2 enclose a motor cavity, the motor 3 is positioned in the motor cavity, the top of a stator shell of the motor 3 is rotationally connected with a planet gear 22 of the planetary gear set through a rotating shaft, one end of a rotor of the motor 3 extends out of the frame 5 and is rotationally connected with the bottom of the stator shell of the motor 3 and the frame 5 sequentially through a bearing 7, the other end of the rotor of the motor 3 extends out of the stator shell of the motor 3 and is fixedly connected with an inner gear ring 23 of the planetary gear set through the bearing 7 and is rotationally connected with the top of the stator shell of the motor 3; the fan blade support 1 is evenly provided with a plurality of fan blades 4 in the outside, and wind power drives the fan blades 4 to rotate the fan blade support 1, and the fan blade support 1 drives the motor rotor fixedly connected with the annular gear 23 through the sun gear 21 to rotate, and the planetary gear set is utilized to accelerate, and the fan blades 4 drive the fan blade support 1 to rotate one circle, and the rotor of motor accomplishes many rotations to the effectual generating efficiency that improves aerogenerator, the fan blades 4 are arc-shaped fan blades, and in this embodiment, the number of fan blades 4 is three, and the intrados of fan blades 4 is the windward side of fan blades, and its extrados is the leeward side.
The fan blade 4 is movably arranged on the fan blade support 1 through a retraction mechanism, the retraction mechanism comprises a retraction motor 11 and a fan blade rotating shaft 41, one end of the fan blade 4, which is close to the fan blade support 1, is rotationally connected with the fan blade support 1 through the fan blade rotating shaft 41, a space for retraction of the fan blade 4 is arranged outside the fan blade support 1, one end of the fan blade rotating shaft 41 extends out of the fan blade support 1 and is fixedly provided with a linkage gear 13, the retraction motor 11 is fixedly arranged at the bottom of the fan blade support 1, and the output end of the retraction motor 1 is meshed with the linkage gear 13 through a driving gear 12; preferably, the winding and unwinding motor 11 is provided with a built-in lithium battery and a wireless module, the built-in lithium battery is electrically connected with the winding and unwinding motor 11 and used for supplying power to the winding and unwinding motor 11, and the infinite module is electrically connected with the winding and unwinding motor 11 and used for remotely starting and stopping the winding and unwinding motor 11; the fan blade is opened and closed by the forward and reverse rotation of the remote control receiving and discharging machine, the installation mode of the built-in lithium battery and the infinite module on the receiving and discharging machine is the prior art, and the remote control receiving and discharging machine is not repeated, the fan blade 4 can be received and discharged according to the wind speed or the needs of owners by installing the receiving and discharging mechanism on the fan blade 4, namely, the fan blade 4 is received and discharged in the fan blade support 1 when strong wind is generated, and the remote control receiving and discharging machine is unfolded and used when daily power is generated, so that the damage to the motor 3 caused by the overspeed rotation caused by the blowing of the fan blade 4 by the strong wind can be avoided.
For protecting the planetary gear set 2 at the top of the fan blade support 1, the normal operation of the planetary gear set is guaranteed, a top cover 8 is arranged on the fan blade support 1, the top cover 8 is positioned above the planetary gear set 2, and the outer edge of the top cover 8 is fixedly connected with the fan blade support 1.
The fan blade support 1 is provided with a limiting column 9 on the outer side, and the limiting column 9 is in contact with the leeward side of the fan blade 4 to limit the expansion angle of the fan blade 4. The angle of expansion of the fan blade 4 can be guaranteed by the limiting column 9, when the fan blade 4 rotates against the wind, the limiting column 9 props against the leeward surface of the fan blade 4 to limit the leeward surface, and therefore torsion born by the receiving and discharging machine 11 at the moment is reduced.
When the technical scheme is implemented, the machine base 5 is fixedly arranged on a bracket of a place to be powered, the fan blades 4 rotate against wind, the whole generator starts to generate electricity, when the generator is in strong wind weather or needs to be shifted and installed, the receiving and discharging machine 11 can be remotely controlled to rotate, the fan blades 4 are contained in the outer space of the motor bracket 1, the fan is stopped, the motor 3 can be protected from being damaged by strong air current at the moment, and the generator can be miniaturized and is convenient to shift.
Claims (5)
1. The vertical axis wind turbine is characterized by comprising a machine base, a fan blade support, a planetary gear set and a motor, wherein the bottom of the fan blade support is rotationally connected with the outer side of the machine base through an inner bearing, the top of the fan blade support is fixedly connected with the outer side of a sun gear of the planetary gear set, the fan blade support, the machine base and the planetary gear set enclose a motor cavity, the motor is positioned in the motor cavity, the top of a stator shell of the motor is rotationally connected with a planet gear of the planetary gear set through a rotating shaft, one end of a rotor of the motor extends out of the machine base and is rotationally connected with the bottom of the stator shell of the motor and the machine base through a bearing in sequence, and the other end of the rotor of the motor extends out of the stator shell of the motor and is fixedly connected with an inner gear ring of the planetary gear set through the bearing and is rotationally connected with the top of the stator shell of the motor; a plurality of fan blades are uniformly arranged on the outer side of the fan blade support, and the fan blades are movably arranged on the fan blade support through a retracting mechanism.
2. The vertical axis wind turbine of claim 1, wherein the retraction mechanism comprises a retraction motor and a fan blade rotating shaft, one end of the fan blade close to the fan blade support is rotatably connected with the fan blade support through the fan blade rotating shaft, a space for retraction of the fan blade is arranged outside the fan blade support, one end of the fan blade rotating shaft extends out of the fan blade support and is fixed with a linkage gear, the retraction motor is fixedly arranged at the bottom of the fan blade support, and the output end of the retraction motor is meshed with the linkage gear through a driving gear.
3. The vertical axis wind turbine of claim 2, wherein the winding and unwinding motor is provided with a built-in lithium battery and a wireless module, the built-in lithium battery is electrically connected with the winding and unwinding motor for supplying power to the winding and unwinding motor, and the wireless module is electrically connected with the winding and unwinding motor for remotely starting and stopping the winding and unwinding motor.
4. The vertical axis wind turbine of claim 1, wherein the blade support is provided with a top cover, the top cover is positioned above the planetary gear set, and the outer edge of the top cover is fixedly connected with the blade support.
5. The vertical axis wind turbine of claim 2, wherein a limiting post is arranged on the outer side of the fan blade support, and the limiting post is contacted with a leeward surface of the fan blade to limit the expansion angle of the fan blade.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321408245.9U CN219587698U (en) | 2023-06-05 | 2023-06-05 | Vertical axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321408245.9U CN219587698U (en) | 2023-06-05 | 2023-06-05 | Vertical axis wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219587698U true CN219587698U (en) | 2023-08-25 |
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ID=87697815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321408245.9U Active CN219587698U (en) | 2023-06-05 | 2023-06-05 | Vertical axis wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219587698U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703668A (en) * | 2023-12-29 | 2024-03-15 | 三峡大学 | Stable vertical wind driven generator |
-
2023
- 2023-06-05 CN CN202321408245.9U patent/CN219587698U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117703668A (en) * | 2023-12-29 | 2024-03-15 | 三峡大学 | Stable vertical wind driven generator |
| CN117703668B (en) * | 2023-12-29 | 2024-06-14 | 三峡大学 | Stable vertical wind driven generator |
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