CN211058952U - Wind power generation device - Google Patents
Wind power generation device Download PDFInfo
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- CN211058952U CN211058952U CN201921921522.XU CN201921921522U CN211058952U CN 211058952 U CN211058952 U CN 211058952U CN 201921921522 U CN201921921522 U CN 201921921522U CN 211058952 U CN211058952 U CN 211058952U
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- rotating shaft
- generator
- wind power
- gear
- fan blade
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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
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Abstract
The utility model discloses a wind power generation device belongs to wind power generation technical field. The wind power generation device includes: the fixed end of the generator is fixedly arranged in a generator cabin; the intermittent gear is fixedly arranged on the end face of the generator cabin, and the peripheral surface of the intermittent gear is provided with a plurality of gear sets; the first end of the transmission mechanism sequentially penetrates through the intermittent gear and the end face of the generator cabin to be fixedly connected with the action end of the generator; the first end of the first rotating shaft is fixedly connected with the fan blades, the second end of the first rotating shaft is rotatably connected with the transmission mechanism, and the second end of the first rotating shaft is arranged between the second end of the transmission mechanism and the intermittent gear; the spur gear is sleeved on the first rotating shaft and can be meshed with the gear set. The utility model discloses wind power generation set can have great windward area, and does not have the upwind face to generating efficiency and wind energy utilization rate have been improved.
Description
Technical Field
The utility model relates to a wind power generation technical field, in particular to wind power generation set.
Background
The exploitation and the use of a large amount of natural resources such as coal, oil, natural gas and the like have important effects on improving the living standard of people and promoting the rapid development of economy, but the problems caused by the exploitation and the use cannot be ignored. Resource shortage and environmental pollution are important factors for restricting economic development of China at the present stage. Therefore, the development of renewable energy sources and the formation of energy utilization situation with diversified energy types are fundamental ways to solve energy shortage and environmental pollution.
Wind energy is a clean renewable energy source, and wind power generation is one of the most mature, development condition and commercial development prospect new energy power generation modes. The wind power generation has better environmental benefit, and compared with biomass power generation, the wind power generation does not discharge any harmful gas and waste; compared with photovoltaic power generation, the pollution generated in the manufacturing process of the wind driven generator is far less than that of the existing photovoltaic solar panel; compared with photo-thermal power generation, the wind power generation has large power generation power and smaller investment; compared with geothermal power generation, the wind power generation has wide application range and low maintenance cost. Although the wind power plant occupies a large area of land, the area used by the foundation of the wind driven generator is small, the landform construction is usually a barren beach and a mountain land, and the influence on farmlands and pastures is small. The importance of wind power in the aspects of energy conservation and emission reduction is fully recognized in many countries in the world, particularly developed countries, and high attention is paid to the development of wind power.
At present, wind driven generators mainly have two modes: a horizontal axis and a vertical axis.
Horizontal axis: the wind driven generator with horizontal shaft propellers is widely adopted in the world, and has the advantages of no upwind surface, low wind energy collection rate, large empty space in unit area, and large loss of axial wind to radial rotating wind speed. In addition, the frontal area of the blade is small, the torsion is small, and the cost of the blade is high.
Vertical axis: the vertical axis wind turbine is characterized in that the wind is windward in any direction, but is also upwind at the same time, and the collected wind energy is only the pressure difference generated on the two sides of the blade.
SUMMERY OF THE UTILITY MODEL
The utility model provides a wind power generation set has solved or has partially solved prior art wind power generation set ability windward area little, the low technical problem of generating efficiency and wind energy utilization rate hang down.
In order to solve the above technical problem, the utility model provides a wind power generation device includes: the system comprises a generator room, a generator, a transmission mechanism, an intermittent gear and a plurality of fan blade mechanisms; the fixed end of the generator is fixedly arranged in the generator cabin; the intermittent gear is fixedly arranged on the end face of the generator cabin, and a plurality of gear sets are arranged on the circumferential surface of the intermittent gear; the first end of the transmission mechanism sequentially penetrates through the intermittent gear and the end face of the generator cabin to be fixedly connected with the action end of the generator; the fan blade mechanism includes: the fan blade, the first rotating shaft and the straight gear; the first end of the first rotating shaft is fixedly connected with the fan blades, the second end of the first rotating shaft is rotatably connected with the transmission mechanism, and the second end of the first rotating shaft is arranged between the second end of the transmission mechanism and the intermittent gear; the spur gear is sleeved on the first rotating shaft and can be meshed with the gear set.
Furthermore, a plurality of gear sets are arranged at equal angle and uniform intervals.
Further, the transmission mechanism includes: a transmission shaft and a shaft seat; the transmission shaft is fixedly connected with the shaft seat, and the first end of the transmission shaft sequentially penetrates through the shaft seat, the intermittent gear and the end face of the generator cabin to be fixedly connected with the action end of the generator.
Furthermore, a plurality of connecting cylinders are fixedly arranged on the outer wall of the shaft seat; the connecting cylinders correspond to the fan blade mechanisms one by one; the second end of the first rotating shaft is rotatably arranged in the corresponding connecting cylinder.
Further, the transmission mechanism further comprises: a plurality of second rotating shafts; the plurality of second rotating shafts correspond to the plurality of connecting cylinders one by one; the first end of the second rotating shaft is fixedly connected with the corresponding connecting cylinder, and the second end of the second rotating shaft is rotatably connected with the second end of the corresponding first rotating shaft.
Furthermore, a cavity is formed in the second rotating shaft, and a bearing is arranged in the cavity; the second end of the second rotating shaft is connected with the corresponding second end of the first rotating shaft through the bearing.
Further, the wind power generation device further includes: an orientation plate; the orientation plate is fixedly arranged between the intermittent gear and the end face of the generator cabin.
Further, the wind power generation device further includes: a plurality of orienters; the plurality of orientators correspond to the plurality of fan blade mechanisms one by one, and are sleeved on the corresponding first rotating shafts; the orientator is slidably disposed on the orientation plate.
Furthermore, sliding grooves are formed in the edges of the directional plates; the director is slidably disposed within the chute.
Furthermore, a plurality of notches are formed in the edges of the orientation plates; the positions of the notches correspond to the positions of the gear sets one by one.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
because the fixed end of the generator is fixedly arranged in the generator cabin, the intermittent gear is fixedly arranged on the end surface of the generator cabin, a plurality of gear sets are arranged on the peripheral surface of the intermittent gear, the first end of the transmission mechanism sequentially penetrates through the intermittent gear and the end surface of the generator cabin to be fixedly connected with the action end of the generator, the first end of the first rotating shaft is fixedly connected with the fan blades, the second end of the first rotating shaft is rotatably connected with the transmission mechanism, the second end of the first rotating shaft is arranged between the second end of the transmission mechanism and the intermittent gear, the straight gear is sleeved on the first rotating shaft and can be meshed with the gear sets, therefore, before the fan blades revolve to the top of the generator cabin, the straight gear is meshed with the corresponding gear sets, the straight gear rotates to drive the fan blades to rotate through the first rotating shaft, the normal direction of the fan blades is the same as the direction of wind, when the fan, the normal direction of the fan blade is the same as the direction of wind, the wind power received by the fan blade is the largest, the generated torque is also the largest, the fan blade revolves around the transmission mechanism, the fan blade drives the transmission mechanism to rotate through the first rotating shaft, the rotating mechanism drives the action end of the generator to rotate, the generator generates electric energy, the straight teeth are meshed with the corresponding gear sets before the fan blade revolves to the generator cabin, the straight gears rotate, the fan blade is driven to rotate through the first rotating shaft, the normal direction of the fan blade is perpendicular to the direction of the wind, when the fan blade revolves to the bottom of the generator cabin, the normal direction of the fan blade is perpendicular to the direction of the wind, the area in the thickness direction of the fan blade is very small, and therefore when the fan blade moves against the wind, the fan blade basically cannot generate reverse torque, has a large windward.
Drawings
Fig. 1 is a schematic structural diagram of a wind power generation device according to an embodiment of the present invention;
FIG. 2 is a front view of the wind-powered electricity generation assembly of FIG. 1;
FIG. 3 is a schematic view of the fan blade mechanism of the wind turbine generator of FIG. 1;
fig. 4 is a schematic connection diagram of a transmission mechanism of the wind power generation device in fig. 1.
Detailed Description
Referring to fig. 1-3, an embodiment of the present invention provides a wind power generation apparatus including: the generator comprises a generator cabin 1, a generator, a transmission mechanism 2, an intermittent gear 3 and a plurality of fan blade mechanisms 4.
The fixed end of the generator is fixedly arranged in the generator cabin 1.
The intermittent gear 3 is fixedly arranged on the end face of the generator cabin 1, and a plurality of gear sets are arranged on the circumferential surface of the intermittent gear 3.
The first end of the transmission mechanism 2 sequentially penetrates through the intermittent gear 3 and the end face of the generator cabin 1 to be fixedly connected with the action end of the generator.
The fan blade mechanism 4 includes: fan blade 4-1, first rotation axis 4-2 and straight gear 4-3.
The first end of the first rotating shaft 4-2 is fixedly connected with the fan blade 4-1, the second end of the first rotating shaft 4-2 is rotatably connected with the transmission mechanism 2, and the second end of the first rotating shaft 4-2 is arranged between the second end of the transmission mechanism 2 and the intermittent gear 3.
The straight gear 4-3 is sleeved on the first rotating shaft, and the straight gear 4-3 can be meshed with the gear set.
In the embodiment of the application, as the fixed end of the generator is fixedly arranged in the generator cabin 1, the intermittent gear 3 is fixedly arranged on the end surface of the generator cabin 1, the peripheral surface of the intermittent gear 3 is provided with a plurality of gear sets, the first end of the transmission mechanism 2 sequentially passes through the intermittent gear 3 and the end surface of the generator cabin 1 to be fixedly connected with the action end of the generator, the first end of the first rotating shaft 4-2 is fixedly connected with the fan blade 4-1, the second end of the first rotating shaft 4-2 is rotatably connected with the transmission mechanism 2, and the second end of the first rotating shaft 4-2 is arranged between the second end of the transmission mechanism 2 and the intermittent gear 3, the straight gear 4-3 is meshed with the corresponding gear set before the fan blade 4-1 revolves to the top of the generator cabin 1, the straight gear 4-3 rotates, and the fan blade 4-1 is driven to rotate by the first rotating shaft 4-2, the normal direction of the fan blade 4-1 is the same as the wind direction, when the fan blade 4-1 revolves to the top of the generator room 1, the normal direction of the fan blade 4-1 is the same as the wind direction, the wind force received by the fan blade 4-1 is the largest, the generated moment is the largest, the fan blade 4-1 revolves around the transmission mechanism 2, the fan blade 4-1 drives the transmission mechanism 2 to rotate through the first rotating shaft 4-2, the rotating mechanism 2 drives the action end of the generator to rotate, so that the generator generates electric energy, before the fan blade 4-1 revolves to the generator room 1, the straight gear 4-3 is meshed with the corresponding gear set, the straight gear 4-3 rotates, the fan blade 4-1 is driven to rotate through the first rotating shaft 4-2, so that the normal direction of the fan blade 4-1 is vertical to the wind direction, when the fan blade 4-1 revolves to, the normal direction of the fan blade 4-1 is vertical to the wind direction, and the area of the fan blade 4-1 in the thickness direction is very small, so that the fan blade 4-1 does not generate reverse moment basically when moving upwind, has larger windward area and no upwind surface, and improves the generating efficiency and the wind energy utilization rate.
Specifically, the gear sets are arranged at equal angles and uniformly at intervals, so that the straight gear 4-3 can drive the first rotating shaft 4-2 to move conveniently.
Referring to fig. 4, in particular, the transmission mechanism 2 includes: a transmission shaft 2-1 and a shaft seat 2-2.
The transmission shaft 2-1 is fixedly connected with the shaft seat 2-2, and in the embodiment, the transmission shaft 2-1 can be fixedly connected with the shaft seat 2-2 by welding, so that the connection stability is ensured. The first end of the transmission shaft 2-1 sequentially penetrates through the shaft seat 2-2, the intermittent gear 3 and the end face of the generator cabin 1 to be fixedly connected with the action end of the generator.
The rotating shaft 2-1 rotates to drive the action end of the generator to rotate, so that the generator generates electricity.
Wherein, the transmission shaft 2-1 is coaxial with the shaft seat 2-2, so as to ensure the stability of rotation.
The transmission shaft 2-1 penetrates the intermittent gear 3 in the axial direction of the intermittent gear 3.
The outer wall of the shaft seat 2-2 is fixedly provided with a plurality of connecting cylinders 2-3. In the embodiment, the outer wall of the shaft seat 2-2 can be fixedly provided with a plurality of connecting cylinders 2-3 by welding, so that the stability of connection is ensured.
The connecting cylinders 2-3 correspond to the fan blade mechanisms 4 one by one, the second ends of the first rotating shafts 4-2 are rotatably arranged in the corresponding connecting cylinders 2-3, and the first rotating shafts 4-2 can rotate in the connecting cylinders 2-3 to enable the fan blades 4-1 to rotate.
Wherein, the connecting cylinder 2-3 is arranged on the outer wall of the shaft seat 2-2 along the radial direction of the shaft seat 2-2.
Specifically, the transmission mechanism 2 further includes: a number of second rotation axes 2-4.
The plurality of second rotating shafts 2-4 correspond to the plurality of connecting cylinders 2-3 one by one.
The first end of the second rotating shaft 2-4 is fixedly connected with the corresponding connecting cylinder 2-3. In the embodiment, the first end of the second rotating shaft 2-4 can be fixedly connected with the corresponding connecting cylinder 2-3 by welding, so that the connection firmness is ensured. The second end of the second rotation axis 2-4 is rotatably connected to the second end of the corresponding first rotation axis 4-2.
A cavity is arranged in the second rotating shaft 2-4, and a bearing 2-5 is arranged in the cavity.
The second end of the second rotation shaft 2-4 is connected to the second end of the corresponding first rotation shaft 4-2 through a bearing 2-5.
The first rotating shaft 4-2 can rotate in the second rotating shaft 2-4, so that the fan blade 4-1 can rotate.
The diameter of the second rotating shaft 2-4 is larger than that of the first rotating shaft 4-2, so that the stability of power transmission is guaranteed.
The first rotating shaft 4-2, the second rotating shaft 2-4, the bearing 2-5 and the connecting cylinder 2-3 are coaxial, so that the stability of power transmission is ensured.
Specifically, the wind power generation device further includes: a first orientation plate 5.
The orientation plate 5 is fixedly disposed between the intermittent gear 3 and the end face of the generator compartment. In the present embodiment, the orientation plate 5 may be fixedly disposed between the intermittent gear 3 and the end face of the generator room by bolts, which facilitates attachment and detachment.
Wherein the orientation plate 5 is coaxial with the transmission shaft 2-1.
Specifically, the wind power generation device further includes: a plurality of directors 8.
The plurality of orientators 8 correspond to the plurality of fan blade mechanisms 4 one by one, and the orientators 8 are sleeved on the corresponding first rotating shafts 4-2.
The orienter 8 is slidably arranged on the first orienting plate 5. The edges of the directional plates 5 are provided with chutes; the orienter 8 is slidably disposed within the chute.
A plurality of notches are formed in the edges of the first directional plate 5; the positions of the notches correspond to the positions of the gear sets one by one.
Wherein, the area of breach is greater than the area of locator 8, and locator 8 is the arc.
When the orientator 8 is separated from the notch, the orientator 8 slides along the sliding groove, the first orientation plate 5 limits the orientator 8, the orientator 8 cannot rotate around the axis of the first rotating shaft 4-2 under the blocking effect of the sliding groove of the orientation plate 5, and the orientator 8 is fixedly connected with the first rotating shaft 4-2, so that the first rotating shaft 4-2 cannot rotate, and the angle between the fan blade 4-1 and the wind is ensured to be unchanged. When the orientator 8 reaches the notch, the straight gear 4-3 is meshed with the corresponding gear set, the straight gear 4-3 rotates, the fan blades 4-1 are driven to rotate through the first rotating shaft 4-2, meanwhile, the orientator 8 rotates at the notch under the driving of the first rotating shaft 4-2, the notch enables the orientator 8 to have enough space to rotate 90 degrees, the orientator 8 is prevented from interfering the rotation of the first rotating shaft 4-2, and therefore the angle between the fan blades 4-1 and the wind is changed.
Specifically, the wind power generation device further includes: a support seat 6 and a support rod 7.
The top of supporting seat 6 and the bottom fixed connection of generator cabin 1, in this embodiment, the top accessible welding of supporting seat 6 and the bottom fixed connection of generator cabin 1 guarantee the firm nature of connection.
The top of the supporting rod 7 is fixedly connected with the bottom of the supporting seat 6, and in the embodiment, the top of the supporting rod 7 can be fixedly connected with the bottom of the supporting seat 6 through welding, so that the connection firmness is ensured.
In order to more clearly describe the embodiment of the present invention, the following description is provided on the using method of the embodiment of the present invention.
Before the fan blades 4-1 revolve to the top of the generator cabin 1, the orientator 8 reaches the notch, the spur gears 4-3 are meshed with the corresponding gear sets, the spur gears 4-3 rotate, the fan blades 4-1 are driven to rotate through the first rotating shaft 4-2, meanwhile, the orientator 8 rotates at the notch under the driving of the first rotating shaft 4-2, the notch enables the orientator 8 to have enough space to rotate 90 degrees, and the orientator 8 is prevented from interfering with the rotation of the first rotating shaft 4-2. The straight gear 4-3 is meshed with a corresponding gear set, the straight gear 4-3 rotates, the fan blade 4-1 is driven to rotate through the first rotating shaft 4-2, and the angle between the fan blade 4-1 and the wind is changed, so that the normal direction of the fan blade 4-1 is the same as the direction of the wind.
When the fan blades 4-1 revolve to the top of the generator cabin 1, the orientator 8 is separated from the notch, the orientator 8 slides along the sliding groove, the sliding groove of the orientation plate 5 limits the orientator 8, the orientator 8 cannot rotate around the axis of the first rotating shaft 4-2 under the blocking effect of the orientation plate 5, and the orientator 8 is fixedly connected with the first rotating shaft 4-2, so that the first rotating shaft 4-2 cannot rotate, the angle between the fan blades 4-1 and wind is guaranteed to be unchanged, the normal direction of the fan blades 4-1 is the same as the direction of the wind, the wind power borne by the fan blades 4-1 is the largest, and the generated torque is also the largest.
The fan blade 4-1 sequentially passes through the first rotating shaft 4-2, the second rotating shaft 2-4, the connecting cylinder 2-3 and the shaft seat 2-2 to drive the transmission shaft 2-1 to rotate, and the transmission shaft 2-1 drives the action end of the generator to rotate, so that the generator generates electricity.
In the process that the fan blades 4-1 revolve to the top of the generator cabin 1, the orientator 8 reaches another notch, the straight gears 4-3 are meshed with the corresponding gear sets, the straight gears 4-3 rotate, the fan blades 4-1 are driven to rotate through the first rotating shaft 4-2, meanwhile, the orientator 8 rotates at the notch under the driving of the first rotating shaft 4-2, the notch enables the orientator 8 to have enough space to rotate 90 degrees, and the orientator 8 is prevented from interfering with the rotation of the first rotating shaft 4-2. The straight gear 4-3 is meshed with a corresponding gear set, the straight gear 4-3 rotates, the fan blade 4-1 is driven to rotate through the first rotating shaft 4-2, the angle between the fan blade 4-1 and the wind is changed, and the normal direction of the fan blade 4-1 is perpendicular to the direction of the wind.
When the fan blade 4-1 revolves to the bottom of the generator cabin 1, the orientator 8 is separated from the gap, the orientator 8 slides along the sliding groove, the sliding groove of the orientation plate 5 limits the orientator 8, under the blocking action of the orientation plate 5, the orientator 8 can not rotate around the axis of the first rotating shaft 4-2, and the orientator 8 is fixedly connected with the first rotating shaft 4-2, so that the first rotating shaft 4-2 can not rotate, thereby ensuring that the angle between the fan blade 4-1 and the wind is not changed, the normal direction of the fan blade 4-1 is vertical to the direction of the wind, the area of the fan blade 4-1 in the thickness direction is very small, therefore, when the fan blade 4-1 moves upwind, reverse moment can not be generated basically, the fan blade has a larger windward area and does not have an upwind surface, and the generating efficiency and the wind energy utilization rate are improved.
Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting, and although the present invention has been described in detail with reference to the examples, those skilled in the art should understand that the technical solutions of the present invention can be modified or replaced by equivalents without departing from the spirit and scope of the technical solutions of the present invention, which should be covered by the scope of the claims of the present invention.
Claims (10)
1. A wind power plant, characterized by comprising: the system comprises a generator room, a generator, a transmission mechanism, an intermittent gear and a plurality of fan blade mechanisms;
the fixed end of the generator is fixedly arranged in the generator cabin;
the intermittent gear is fixedly arranged on the end face of the generator cabin, and a plurality of gear sets are arranged on the circumferential surface of the intermittent gear;
the first end of the transmission mechanism sequentially penetrates through the intermittent gear and the end face of the generator cabin to be fixedly connected with the action end of the generator;
the fan blade mechanism includes: the fan blade, the first rotating shaft and the straight gear;
the first end of the first rotating shaft is fixedly connected with the fan blades, the second end of the first rotating shaft is rotatably connected with the transmission mechanism, and the second end of the first rotating shaft is arranged between the second end of the transmission mechanism and the intermittent gear;
the spur gear is sleeved on the first rotating shaft and can be meshed with the gear set.
2. Wind power plant according to claim 1, characterized in that:
the gear sets are arranged at equal angles and uniform intervals.
3. The wind power plant of claim 1, wherein the transmission mechanism comprises: a transmission shaft and a shaft seat;
the transmission shaft is fixedly connected with the shaft seat, and the first end of the transmission shaft sequentially penetrates through the shaft seat, the intermittent gear and the end face of the generator cabin to be fixedly connected with the action end of the generator.
4. A wind power plant according to claim 3, characterized in that:
a plurality of connecting cylinders are fixedly arranged on the outer wall of the shaft seat;
the connecting cylinders correspond to the fan blade mechanisms one by one;
the second end of the first rotating shaft is rotatably arranged in the corresponding connecting cylinder.
5. The wind power plant of claim 4, wherein the transmission mechanism further comprises: a plurality of second rotating shafts;
the plurality of second rotating shafts correspond to the plurality of connecting cylinders one by one;
the first end of the second rotating shaft is fixedly connected with the corresponding connecting cylinder, and the second end of the second rotating shaft is rotatably connected with the second end of the corresponding first rotating shaft.
6. Wind power plant according to claim 5, characterized in that:
a cavity is formed in the second rotating shaft, and a bearing is arranged in the cavity;
the second end of the second rotating shaft is connected with the corresponding second end of the first rotating shaft through the bearing.
7. The wind power plant of claim 1, further comprising: an orientation plate;
the orientation plate is fixedly arranged between the intermittent gear and the end face of the generator cabin.
8. The wind power plant of claim 7, further comprising: a plurality of orienters;
the plurality of orientators correspond to the plurality of fan blade mechanisms one by one, and are sleeved on the corresponding first rotating shafts;
the orientator is slidably disposed on the orientation plate.
9. Wind power plant according to claim 8, characterized in that:
the edges of the directional plates are provided with sliding grooves;
the director is slidably disposed within the chute.
10. Wind power plant according to claim 8, characterized in that:
a plurality of notches are formed in the edges of the orientation plates;
the positions of the notches correspond to the positions of the gear sets one by one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921522.XU CN211058952U (en) | 2019-11-08 | 2019-11-08 | Wind power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921921522.XU CN211058952U (en) | 2019-11-08 | 2019-11-08 | Wind power generation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211058952U true CN211058952U (en) | 2020-07-21 |
Family
ID=71592348
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921921522.XU Expired - Fee Related CN211058952U (en) | 2019-11-08 | 2019-11-08 | Wind power generation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211058952U (en) |
-
2019
- 2019-11-08 CN CN201921921522.XU patent/CN211058952U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200721 Termination date: 20201108 |