CN213511030U

CN213511030U - Vertical axis wind power generation device

Info

Publication number: CN213511030U
Application number: CN202020305413.1U
Authority: CN
Inventors: 周春发
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-03-12
Filing date: 2020-03-12
Publication date: 2021-06-22
Anticipated expiration: 2030-03-12

Abstract

The utility model relates to a vertical axis wind power generation set, including wheel hub tower, generator, buncher, base, stand and circular orbit. The upright post is arranged at the center of the base and penetrates through the center of the hub tower; the upright post is sleeved with a bearing, the hub tower is connected with an outer ring of the bearing through an upright post connecting rod on one hand, and is vertically arranged on the annular track through a track wheel at the bottom of the hub tower on the other hand; a gear is mounted on a main shaft of the generator and is meshed with an inner gear ring at the bottom of the hub tower. When the wind turbine is started, the generator and the speed regulating motor are in a motor state, the generator state is converted into a power generation state when the rotating speed of the wind wheel reaches a set speed, the speed regulating motor state is converted into a motor state when the fan needs to be accelerated, and the fan is braked by the brake device when the fan needs to be decelerated and stopped. The power generation device has firm structure and strong wind resistance, can quickly regulate speed and reliably brake, can realize the large-scale of the vertical axis wind driven generator, improves the environmental adaptability and the economical efficiency, and is particularly suitable for offshore floating type wind power generation.

Description

Vertical axis wind power generation device

Technical Field

The utility model relates to a wind power generation field specifically relates to a vertical axis wind power generation set.

Background

At present, wind driven generators, particularly high-power wind turbines, mainly adopt lift type three-blade horizontal-axis wind wheels, the blade airfoils are complex, and the design and manufacturing difficulty is high. The power generation equipment is positioned in the rotating cabin at the top of the fixed tower, has high gravity center, needs a wind alignment device, and has poor wind resistance, difficult installation and maintenance and high operation cost. The vertical axis wind driven generator does not need to face the wind, the power generation equipment can be arranged on the ground, the gravity center is low, the stability is good, the installation and the maintenance are convenient, the operation cost is low, meanwhile, the blade wing type is simple, the design and the manufacturing cost are low, and the vertical axis wind driven generator has a plurality of advantages compared with the horizontal axis wind driven generator.

The chinese patent application No. 201810756982.5 discloses a vertical axis wind power generation apparatus. The vertical axis wind power generation device comprises a main shaft and a plurality of wind wheel blades, wherein the plurality of wind wheel blades are arranged on the outer side of the main shaft in a surrounding mode, the plurality of wind wheel blades are arranged in the vertical direction, and one side end face of each wind wheel blade is rotatably connected with the main shaft through a connecting mechanism. The application solves the technical problems that the wind power generation device has high requirement on the wind power level and the connection between the wind power generation device and the generator middle shaft is unstable. However, since the blades of the wind power generation device are all positioned at the outer edge of the wind wheel, the centrifugal force is large, and the connecting rod for supporting the blades adopts a cantilever structure, the stress condition is severe, and the structure is easy to damage when the diameter of the wind wheel is increased. The vertical axis wind turbine is limited by the current materials and structures and is difficult to be upsized.

SUMMERY OF THE UTILITY MODEL

For overcoming the defects and deficiencies in the prior art, the utility model provides a large-scale vertical axis wind power generation device, this wind power generation device are vertical axis wind power generation device. In addition, the wind power generation device has firm structure and strong wind resistance, can quickly regulate the speed and reliably brake, and can realize the large-scale of the vertical axis wind power generator.

In order to achieve the above object, the present invention provides a vertical axis wind power generation device, including a hub tower, a generator, and a column and an annular track mounted on a base, wherein the annular track is located at the periphery of the column and is concentric with the column, and the column is mounted at the center of the base and passes through the center of the hub tower; the upright post is rotatably sleeved with a bearing, and the hub tower is fixedly connected with an outer ring of the bearing through an upright post connecting rod on one hand and is vertically arranged on an annular track through a track wheel at the bottom of the hub tower on the other hand; a gear is mounted on a main shaft of the generator and meshed with an inner gear ring mounted at the bottom of the hub tower.

Preferably, the base is further provided with a speed regulating motor, a main shaft of the speed regulating motor is fixedly sleeved with a driving gear, and the driving gear is meshed with the inner gear ring. The arrangement mode of the speed regulating motor can obviously improve the generating efficiency of the wind power generating device.

In any of the above schemes, preferably, a brake device is further disposed on the base, and the brake device is of a caliper structure and is matched with a brake disc at the bottom of the hub tower. The safety performance of the hub tower can be obviously improved by the arrangement of the brake device.

In any of the above aspects, preferably, when the hub tower rotates, the generator and the adjustable-speed motor are in a motor state; when the rotating speed of the hub tower reaches a set speed, the generator is in a power generation state, and when the hub tower does not reach the set speed or the hub tower needs to be accelerated, the speed regulating motor is converted into a motor state; and when the hub tower decelerates and stops, the hub tower is braked by the brake device.

In any of the above schemes, preferably, the upright post has a stepped circle structure, and the number of the bearings is plural and is simultaneously sleeved on the stepped circle of the upright post. Adopt a plurality of bearings suit simultaneously the ladder circle structure of stand can show improvement the stability of wheel hub tower.

In any of the above schemes, preferably, the hub tower is a squirrel-cage structure, and specifically includes a first blade connecting rod and a second blade connecting rod mounted on the circumferential outer wall of the sleeve at intervals, at least one layer of vertically arranged blades located on the circumferential periphery of the sleeve and fixedly connected with the first blade connecting rod and the second blade connecting rod, one end of each blade is fixedly connected with the first blade connecting rod, and the other end of each blade is fixedly connected with the second blade connecting rod.

In any of the above schemes, preferably, one end of the column connecting rod is fixedly connected with the outer ring of the bearing, and the other end is fixedly connected with the inner wall of the sleeve.

In any of the above aspects, it is preferable that the number of the column links is plural and uniformly arranged horizontally. The arrangement of the upright post connecting rods improves the structural performance of the hub tower.

In any of the above aspects, preferably, the first blade link is parallel to the second blade link.

In any of the above aspects, it is preferable that the first blade link and/or the second blade link have a first beam and a second beam.

In any of the above aspects, preferably, a plurality of driving blades are vertically mounted on the first blade link and/or the second blade link at intervals.

In any of the above aspects, preferably, one end of the driving blade is fixedly connected to the first beam, and the other end is fixedly connected to the second beam.

In any of the above aspects, it is preferable that the first beam is parallel to the second beam.

In any of the above aspects, preferably, the blade has a constant-section airfoil-shaped structure.

In any of the above solutions, preferably, a plurality of pulling cables are fixedly connected to the top circumferential outer wall of the sleeve at intervals. The arrangement of the stay cables improves the loading capacity and stability of the blade connecting rod.

In any of the above schemes, preferably, one end of the pulling cable is fixedly connected with the top of the sleeve, and the other end is fixedly connected with the tail end of the first blade connecting rod corresponding to each other.

In any of the above aspects, preferably, the first and/or second cross member of the first and/or second blade link is a propeller blade structure. The structure has the advantages that the lifting force is generated during rotation, and the gravity borne by the blade connecting rod is reduced.

In any of the above solutions, it is preferable that the brake disc is mounted horizontally.

In any of the above solutions, it is preferable that the brake disc is mounted vertically.

In any of the above schemes, preferably, the number of the speed regulating motors is two.

In any of the above aspects, it is preferable that the number of the generators is two.

In any of the above aspects, preferably, the blade has a multi-segment structure, and each segment of the blade is mounted on the first blade link or the second blade link.

In any of the above schemes, preferably, the controller further comprises a controller, the controller is electrically connected with the speed regulating motor through a line and controls the rotating speed of the speed regulating motor, and a sensor is arranged in the speed regulating motor.

In any of the above aspects, it is preferred that the blades are in a double layer arrangement. The structural design has the advantages that the wind energy utilization rate can be improved, and the rigidity of the blade connecting rod can be enhanced.

In any of the above aspects, preferably, the base is mounted on an offshore floating platform.

In any of the above aspects, preferably, the base is mounted on a ship, and the driving shaft of the inner gear ring connecting propeller directly drives the ship to run.

In any of the above solutions, it is preferable that the generator is changed into a water pump.

In any of the above schemes, preferably, the generator is changed into a fan.

Compared with the prior art, the utility model has the advantages of: the wind power generation device fully exerts the advantages that the blades of the vertical axis wind power generator are simple, wind alignment is not needed, and power generation equipment can be placed on the ground, and meanwhile, through the structure and the system design of the invention, the structural strength, the speed regulation and the braking capacity of the vertical axis fan are greatly improved, so that the height of the wind power generator and the diameter of a wind wheel can be improved, the large-scale vertical axis wind power generator is realized, the equipment investment, the installation cost and the maintenance cost are greatly reduced, the environmental adaptability and the economical efficiency of wind power generation are greatly improved on the whole, and the wind power generation device is particularly suitable for offshore wind power.

Drawings

Fig. 1 is a schematic view of a preferred embodiment of a wind power plant according to the present invention.

Fig. 2 is a schematic circuit diagram of the embodiment of the wind turbine generator according to the invention as shown in fig. 1.

Detailed Description

Several preferred embodiments of the present invention will be further explained with reference to the accompanying drawings;

implementations or embodiments of the subject technology described in the various examples are disclosed below. Specific examples of various elements and arrangements are described below to simplify the disclosure. These are, of course, merely examples and are not intended to limit the scope of the invention.

Example 1:

as shown in fig. 1-2, a large vertical axis wind power plant comprises a hub tower 1, a generator 2, and a vertical column 4 and an annular rail 5 mounted on a base 3. The base 3 is horizontally arranged on the ground. The upright post 4 is made of metal material. In the present embodiment, the annular track 5 is located at the circumferential periphery of the column 4 and is concentric with the column 4. The generator 2 is an internal rotor generator. The upright 4 is mounted at the center of the base 3 and passes through the center of the hub tower 1. At least one bearing 6 is rotatably mounted on the column 4. The hub tower 1 is rotatably sleeved on the top of the upright post 4 through a bearing 6. The hub tower 1 is fixedly connected with the outer ring of the bearing 6 through a plurality of horizontally arranged upright connecting rods 7 on one hand, and is vertically and rotatably arranged on the annular track 5 through a track wheel at the bottom of the hub tower 1 on the other hand. The plurality of column links 7 are uniformly horizontally arranged.

In the present embodiment, the hub tower 1 is a squirrel cage structure. The hub tower 1 specifically comprises a plurality of first blade connecting rods 12 arranged at intervals and a plurality of second blade connecting rods 13 arranged at intervals, wherein the first blade connecting rods 12 and the second blade connecting rods 13 are mounted on the circumferential outer wall of a sleeve 11 at intervals, and at least one layer of vertically arranged blades 16 are arranged on the circumferential periphery of the sleeve 11 and fixedly connected with the first blade connecting rods 12 and the second blade connecting rods 13. One end of the vane 16 is fixedly connected with the first vane connecting rod 12, and the other end is fixedly connected with the second vane connecting rod 13. Specifically, one end of any first vane link 12 is fixedly connected to the circumferential outer wall at the top of the sleeve 11, and the other end is fixedly connected to one end of the vane 16. One end of any one second vane connecting rod 13 is fixedly connected with the circumferential outer wall at the bottom of the sleeve 11, and the other end is fixedly connected with the other end of the vane 16. The first blade link 12 and the second blade link 13 correspond to each other.

The blades 16 are of constant section airfoil configuration. The hub tower 1 is rotatable by the action of the uprights 4 and bearings 6 and supports the hub tower 1 jointly by the uprights 4 and the annular track 5. One end of each upright post connecting rod 7 is fixedly connected with the outer ring of the bearing 6, and the other end of each upright post connecting rod is fixedly connected with the inner wall of the sleeve 11. The welding mode is adopted for fixed connection. In the present embodiment, the first blade link 12 is at the top of the sleeve 11, the second blade link 13 is at the bottom of the sleeve 11 and the first blade link 12 is parallel to the second blade link 13.

In the present embodiment, each of the first blade link 12 and the second blade link 13 has a first beam 17 and a second beam 18. A plurality of driving blades 19 are attached to each of the first blade link 12 and the second blade link 13 at intervals. One end of each of the driving blades 19 is fixedly connected to the first beam 17 of the first blade link 12, and the other end is fixedly connected to the second beam 18 of the first blade link 12. One end of each of the plurality of driving blades 19 is fixedly connected to the first cross member 17 of the second blade link 13, and the other end thereof is fixedly connected to the second cross member 18 of the second blade link 13. The first beam 17 of the first blade link 12 is parallel to said second beam 18 of the first blade link 12. The first beam 17 of the second blade link 13 is parallel to the second beam 18 of said second blade link 13.

A gear is attached to a main shaft of the generator 2. The bottom of the hub tower 1 is provided with an inner gear ring and a brake disc. The brake disc is horizontally arranged. The gear is meshed with an inner gear ring arranged at the bottom of the hub tower 1. The base 3 is also provided with a speed regulating motor 8. And a driving gear is fixedly sleeved on a main shaft of the speed regulating motor 8, and the driving gear is meshed with the inner gear ring. A brake device 9 is also arranged on the base 3. The brake device 9 is of a pincer type structure and is matched with a brake disc at the bottom of the hub tower 1. The wind power generation device also comprises a controller 14, wherein the controller 14 is electrically connected with the speed regulating motor 8 through a circuit and controls the rotating speed of the speed regulating motor 8. A sensor is arranged in the speed regulating motor 8 and used for detecting the rotating speed and transmitting the rotating speed information to a controller, and the controller controls the rotating speed of the speed regulating motor 8. When the hub tower 1 rotates, the generator 2 and the speed regulating motor 8 are in a motor state; when the rotating speed of the hub tower 1 reaches a set speed, the generator 2 is in a power generation state, and when the hub tower 1 does not reach the set speed or the hub tower 1 needs to be accelerated, the speed regulating motor 8 is converted into a motor state; and when the hub tower 1 is decelerated and stopped, the hub tower is braked by the brake device 9.

A plurality of pulling cables 20 are fixedly connected to the top circumferential outer wall of the sleeve 11 at intervals. One end of the pulling cable 20 is fixedly connected with the top of the sleeve 11, and the other end is fixedly connected with the tail end of the first blade connecting rod 12 corresponding to each other. The provision of the plurality of guys 20 improves the stability and the connection rigidity of the hub tower 1.

Example 2:

1-2, a large vertical axis wind power plant. The wind power generation device comprises a hub tower 1, a generator 2, and a vertical column 4 and an annular track 5 which are arranged on a base 3. The upright post 4 is of a cylindrical hollow structure or a cylindrical structure. The endless track 5 is a closed loop structure. The base 3 is mounted on a platform floating at sea. The upright post 4 is made of metal material. In the present embodiment, the annular track 5 is located at the circumferential periphery of the column 4 and is concentric with the column 4. The generator 2 is an outer rotor generator. In the present embodiment, the number of the generators 2 is two. The upright 4 is mounted at the center of the base 3 and passes through the center of the hub tower 1. In the present embodiment, unlike embodiment 1, the pillar 4 has a stepped circle 10 structure. A plurality of bearings 6 are rotatably fitted to the column 4. Further, the plurality of bearings 6 can be simultaneously sleeved on the corresponding stepped circles 10 on the upright post 4. The arrangement of the plurality of bearings 6 improves the dynamic stability of the hub tower 1. The hub tower 1 is fixedly connected with the outer ring of the corresponding bearing 6 through a plurality of horizontally arranged upright connecting rods 7 on one hand, and is vertically arranged on the annular track 5 through a track wheel at the bottom of the hub tower 1 on the other hand. The annular track 5 is used to support the hub tower 1.

The hub tower 1 is a squirrel-cage structure, and specifically comprises a plurality of first blade connecting rods 12 and a plurality of second blade connecting rods 13 which are mounted on the circumferential outer wall of a sleeve 11 at intervals, and a plurality of vertically arranged blades 16 which are located on the circumferential periphery of the sleeve 11 and fixedly connected with the first blade connecting rods 12 and the second blade connecting rods 13. A plurality of pulling cables 20 are fixedly connected to the top circumferential outer wall of the sleeve 11 at intervals. One end of each guy cable 20 is fixedly connected with the top of the sleeve 11, and the other end is fixedly connected with the tail end of the corresponding first blade connecting rod 12. The provision of the plurality of guys 20 improves the stability and the connection rigidity of the hub tower 1. In the present embodiment, the cable 20 is a metal chain with adjustable length.

In the present embodiment, the blades 16 are of constant-section airfoil configuration and employ a double-layer arrangement. One end of any blade 16 is fixedly connected with the first blade connecting rod 12, and the other end is fixedly connected with the second blade connecting rod 13. The hub tower 1 is rotatable by the action of the uprights 4 and bearings 6 and supports the hub tower 1 jointly by the uprights 4 and the annular track 5. One end of each upright post connecting rod 7 is fixedly connected with the outer ring of the corresponding bearing 6, and the other end is fixedly connected with the inner wall of the sleeve 11. The first blade link 12 is parallel to the second blade link 13. The first blade link 12 is located at the upper part of the hub tower 1 and the second blade link 13 is located at the lower part of the hub tower 1. Specifically, one end of any first vane link 12 is fixedly connected to the circumferential outer wall at the top of the sleeve 11, and the other end is fixedly connected to one end of the vane 16. One end of any one second vane connecting rod 13 is fixedly connected with the circumferential outer wall at the bottom of the sleeve 11, and the other end is fixedly connected with the other end of the vane 16. The first blade link 12 and the second blade link 13 correspond to each other.

A gear is attached to a main shaft of the generator 2. The bottom of the hub tower 1 is provided with an inner gear ring and a brake disc. The brake disc is horizontally or vertically arranged. The gear is meshed with an inner gear ring arranged at the bottom of the hub tower 1. The base 3 is also provided with a speed regulating motor 8. The number of the speed regulating motors 8 is two. And the main shafts of the two speed regulating motors 8 are fixedly sleeved with driving gears, and the driving gears are meshed with the inner gear rings. A brake device 9 is also arranged on the base 3. The brake device 9 is of a pincer type structure and is matched with a brake disc at the bottom of the hub tower 1. The wind power plant also comprises a controller 14. The controller 14 is electrically connected with the speed regulating motor 8 through a circuit and controls the rotating speed of the speed regulating motor 8. A sensor is arranged in the speed regulating motor 8. When the hub tower 1 rotates, the generator 2 and the speed regulating motor 8 are in a motor state; when the rotating speed of the hub tower 1 reaches a set speed, the generator 2 is in a power generation state, and when the hub tower 1 does not reach the set speed or the hub tower 1 needs to be accelerated, the speed regulating motor 8 is converted into a motor state; and when the hub tower 1 is decelerated and stopped, the hub tower is braked by the brake device 9.

Example 3: in this embodiment, unlike embodiment 1 or 2, the first beam 17 and/or the second beam 18 of the first blade link 12 and/or the second blade link 13 are of a propeller blade structure.

Example 4: in the present embodiment, different from embodiment 1 or 2, the blade 16 has a multi-segment structure, and each segment of blade is mounted on the first blade link 12 or the second blade link 13.

Example 5: in this embodiment, unlike embodiment 1 or 2, the base 3 is mounted on a ship, and the driving shaft of the ring gear connecting propeller directly drives the ship to run.

Example 6: the generator of the wind power generation device can be changed into a water pump.

Example 7: the generator 2 is changed into a fan.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are any simple modifications, equivalent changes and modifications made to the above embodiments, and still belong to the scope of the technical solution of the present invention.

After reading this specification, it will be apparent to those skilled in the art that the present invention is comprised of a combination of prior art, some of which form part of the present invention, and some of which are described in detail herein, and some of which are not described in detail for the sake of brevity, but will be known to those skilled in the art after reading this specification. Moreover, it will be appreciated by those skilled in the art that the combination of these prior art techniques to form the present invention is highly creative and is a crystal that has been analyzed theoretically and experimented for many years by the inventor. It will also be apparent to those skilled in the art from this disclosure that each of the embodiments disclosed herein, and any combination of features, can be incorporated into the present invention.

Claims

1. A vertical axis wind power generation device comprises a hub tower, a generator, a stand column and an annular track, wherein the stand column and the annular track are installed on a base, the annular track is arranged on the periphery of the circumference of the stand column and is concentric with the stand column, and the vertical axis wind power generation device is characterized in that: the upright post is arranged at the center of the base and penetrates through the center of the hub tower; the upright post is rotatably sleeved with a bearing, and the hub tower is fixedly connected with an outer ring of the bearing through an upright post connecting rod on one hand and is vertically arranged on an annular track through a track wheel at the bottom of the hub tower on the other hand; a gear is mounted on a main shaft of the generator and meshed with an inner gear ring mounted at the bottom of the hub tower.

2. The vertical axis wind turbine as defined in claim 1, wherein: the base is further provided with a speed regulating motor, a main shaft of the speed regulating motor is fixedly sleeved with a driving gear, and the driving gear is meshed with the inner gear ring.

3. The vertical axis wind turbine as defined in claim 2, wherein: still be provided with brake equipment on the base, brake equipment be the pincer type structure and with the brake disc of wheel hub tower bottom is mutually supported.

4. A vertical axis wind power plant according to claim 3, wherein: when the hub tower rotates, the generator and the speed regulating motor are in a motor state; when the rotating speed of the hub tower reaches a set speed, the generator is in a power generation state, and when the hub tower does not reach the set speed or the hub tower needs to be accelerated, the speed regulating motor is converted into a motor state; and when the hub tower decelerates and stops, the hub tower is braked by the brake device.

5. The vertical axis wind turbine as defined in claim 1, wherein: the stand has the ladder circle structure, the quantity of bearing be a plurality of and the suit simultaneously on the ladder circle of stand.

6. The vertical axis wind turbine as defined in claim 1, wherein: the hub tower is of a squirrel-cage structure and specifically comprises a first blade connecting rod and a second blade connecting rod which are arranged on the circumferential outer wall of the sleeve at intervals, at least one layer of vertically arranged blades which are arranged on the circumferential periphery of the sleeve and fixedly connected with the first blade connecting rod and the second blade connecting rod, one ends of the blades are fixedly connected with the first blade connecting rod, and the other ends of the blades are fixedly connected with the second blade connecting rod.

7. The vertical axis wind turbine as defined in claim 6, wherein: one end of the upright post connecting rod is fixedly connected with the outer ring of the bearing, and the other end of the upright post connecting rod is fixedly connected with the inner wall of the sleeve.

8. The vertical axis wind turbine as defined in claim 7, wherein: the number of the upright post connecting rods is a plurality of upright post connecting rods which are uniformly and horizontally arranged.

9. The vertical axis wind turbine as defined in claim 6, wherein: the first blade link is parallel to the second blade link.

10. A vertical axis wind power plant according to claim 6 or 9, wherein: the first and/or second blade link has a first and second beam.

11. The vertical axis wind turbine as defined in claim 10, wherein: and a plurality of driving blades which are arranged at intervals are vertically arranged on the first blade connecting rod and/or the second blade connecting rod.

12. The vertical axis wind turbine as defined in claim 11, wherein: one end of the driving blade is fixedly connected with the first cross beam, and the other end of the driving blade is fixedly connected with the second cross beam.

13. The vertical axis wind turbine as defined in claim 10, wherein: the first beam is parallel to the second beam.

14. The vertical axis wind turbine as defined in claim 6, wherein: the blades are of a uniform-section wing-shaped structure.

15. The vertical axis wind turbine as defined in claim 6, wherein: and a plurality of pull cables are fixedly connected to the circumferential outer wall of the top of the sleeve at intervals.

16. The vertical axis wind turbine as defined in claim 15, wherein: one end of the inhaul cable is fixedly connected with the top of the sleeve, and the other end of the inhaul cable is fixedly connected with the tail end of the first blade connecting rod corresponding to the inhaul cable.

17. The vertical axis wind turbine as defined in claim 6, wherein: the first and/or second cross-beam of the first and/or second blade link is a propeller blade structure.

18. A vertical axis wind power plant according to claim 3, wherein: the brake disc is horizontally arranged.

19. A vertical axis wind power plant according to claim 3, wherein: the brake disc is vertically installed.

20. The vertical axis wind turbine as defined in claim 4, wherein: the number of the speed regulating motors is two.

21. The vertical axis wind turbine as defined in claim 1, wherein: the number of the generators is two.

22. The vertical axis wind turbine as defined in claim 6, wherein: the blades are of a multi-section structure, and each section of blade is arranged on the first blade connecting rod or the second blade connecting rod.

23. The vertical axis wind turbine as defined in claim 4, wherein: the speed regulating motor is electrically connected with the speed regulating motor through a circuit and controls the rotating speed of the speed regulating motor, and a sensor is arranged in the speed regulating motor.

24. The vertical axis wind turbine as defined in claim 6, wherein: the blades are arranged in a double-layer mode.

25. The vertical axis wind turbine as defined in claim 1, wherein: the base is mounted on an offshore floating platform.

26. The vertical axis wind turbine as defined in claim 1, wherein: the base is arranged on a ship, and the inner gear ring is connected with a driving shaft of the propeller to directly drive the ship to run.

27. The vertical axis wind turbine as defined in claim 1, wherein: the generator is changed into a water pump.

28. The vertical axis wind turbine as defined in claim 1, wherein: the generator is changed into a fan.