CN219587699U

CN219587699U - Wind power generation device

Info

Publication number: CN219587699U
Application number: CN202320885608.1U
Authority: CN
Inventors: 宋斌; 李三军
Original assignee: Qingdao Yuxi Wind Power Equipment Co ltd
Current assignee: Qingdao Yuxi Wind Power Equipment Co ltd
Priority date: 2023-04-19
Filing date: 2023-04-19
Publication date: 2023-08-25
Anticipated expiration: 2033-04-19

Abstract

The utility model belongs to the technical field of wind power generation, and particularly relates to a wind power generation device, which comprises a base and a supporting rod, wherein the supporting rod is fixedly connected to the top end of the base, the top end of the supporting rod is provided with a mounting end, the side wall of the mounting end is rotationally connected with blade mechanisms which are distributed around the axis of the mounting end at equal intervals, the top end of the mounting end is provided with a driving mechanism for driving a plurality of blade mechanisms to rotate simultaneously, the bottom end of the mounting end is fixedly connected with a rotating shaft, the rotating shaft penetrates through the supporting rod, and a transmission and a generator are arranged in the base. According to the wind driven generator, when the wind power is large, the unfolding angle of the blade mechanism can be reduced, the situation that the rotation speed is out of control because the blade mechanism drives the installation end to rotate too fast is avoided, when the wind power is small, the unfolding angle of the blade mechanism can be increased, the wind power receiving area of the blade mechanism is increased, and the rotation speed of the installation end can be correspondingly increased.

Description

Wind power generation device

Technical Field

The utility model belongs to the technical field of wind power generation, and particularly relates to a wind power generation device.

Background

The wind driven generator is a power device which converts wind energy into mechanical work, the mechanical work drives a rotor to rotate and finally outputs alternating current, the wind driven generator generally comprises a wind wheel, a generator, a direction regulator, a tower and other components, the working principle of the wind driven generator is relatively simple, the wind wheel rotates under the action of wind force, kinetic energy of wind is converted into mechanical energy of a wind wheel shaft, the generator rotates to generate electricity under the driving of the wind wheel shaft, and the wind driven generator is divided into a transverse axis wind driven generator and a vertical axis wind driven generator.

When the vertical axis wind turbine is used, because the blades are smaller, the generated torque is smaller, the blowing rotating speed is higher during power generation, the angle of the blades of the vertical axis wind turbine is generally fixed, no matter how large the area of the blades receives wind power, the wind blows on the blades when the wind power is strong, the rotating speed of the blades is too fast, and therefore equipment stall is damaged.

Disclosure of Invention

The utility model aims to provide a wind power generation device which can adjust the angle of a blade mechanism, avoid stall damage of the device in an environment with larger wind power and solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a wind power generation device, includes base and bracing piece, bracing piece fixed connection is on the top of base, the top of bracing piece is provided with the installation end, the lateral wall rotation of installation end is connected with around the blade mechanism of installation end axle center equidistance distribution, the top of installation end is provided with and is used for driving a plurality of blade mechanism pivoted actuating mechanism simultaneously, the bottom fixedly connected with pivot of installation end, the pivot runs through the bracing piece, the inside of base is provided with derailleur and generator, the bottom of pivot and the input fixed connection of derailleur, the output of derailleur and the input shaft fixed connection of generator.

Further, the installation end comprises two end plates which are correspondingly arranged, a connecting cylinder is fixedly connected between the two end plates, the blade mechanism is rotationally connected between the two end plates, and the blade mechanism is distributed on the periphery of the connecting cylinder.

Further, one of them the bottom of end plate is provided with the carousel, the bottom of carousel is provided with the connection pad, the top of bracing piece and the bottom fixed connection of connection pad, the top of pivot runs through the middle part of connection pad and one of them the bottom fixed connection of end plate.

Further, one of them the middle part fixedly connected with plectane of end plate bottom, the bottom fixedly connected with annular rail of two concentric settings of plectane, the bottom of connection pad inlays and is equipped with two graphite contacts that correspond the setting, two graphite contacts's top sliding connection respectively is in two the inside of annular rail, two the equal fixedly connected with wire in bottom of graphite contact.

Further, the blade mechanism comprises a blade body, two ends of the blade body are fixedly connected with mounting shafts, the two mounting shafts are respectively connected with the two end plates in a rotating mode, and the top end of one of the mounting shafts is fixedly connected with a first gear.

Further, the driving mechanism comprises a shell fixedly connected to the top end of one end plate, a positive motor and a negative motor are fixedly connected to the top end of the shell, a second gear is fixedly connected to an output shaft of the positive motor, and a plurality of first gears are meshed with the second gear.

Further, the positive and negative motors are respectively and electrically connected with the two graphite contacts through the two annular rails.

Compared with the prior art, the utility model has the beneficial effects that: when the wind power generator generates power, the angle of unfolding of the blade mechanism can be reduced when the wind power is large, the situation that the blade mechanism drives the installation end to rotate too fast is avoided, the rotating speed is out of control, the angle of unfolding of the blade mechanism can be improved when the wind power is small, the area of receiving the wind power of the blade mechanism is further increased, and the rotating speed of the installation end can be correspondingly increased.

Drawings

FIG. 1 is a schematic perspective view of the present utility model;

FIG. 2 is a schematic diagram of a second perspective structure of the present utility model;

FIG. 3 is a front cross-sectional view of the present utility model;

FIG. 4 is an enlarged schematic view of the portion A of FIG. 3 according to the present utility model;

fig. 5 is an enlarged view of the portion B of fig. 3 according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a base; 2. a support rod; 3. installing an end head; 31. an end plate; 32. a connecting cylinder; 33. a connecting disc; 34. a turntable; 35. a circular plate; 36. a ring rail; 37. a graphite contact; 4. a blade mechanism; 41. a blade body; 42. a mounting shaft; 43. a first gear; 5. a driving mechanism; 51. a housing; 52. a forward and reverse motor; 53. a second gear; 6. a rotating shaft; 7. a transmission; 8. and (5) a generator.

Detailed Description

The present utility model will be specifically described with reference to examples below in order to make the objects and advantages of the present utility model more apparent. It should be understood that the following text is intended to describe only one or more specific embodiments of the utility model and does not limit the scope of the utility model strictly as claimed.

As shown in fig. 1-3, a wind power generation device comprises a base 1 and a supporting rod 2, wherein the supporting rod 2 is fixedly connected to the top end of the base 1, the top end of the supporting rod 2 is provided with a mounting end head 3, the side wall of the mounting end head 3 is rotationally connected with blade mechanisms 4 which are distributed around the axis of the mounting end head 3 at equal intervals, the top end of the mounting end head 3 is provided with a driving mechanism 5 which is used for driving a plurality of blade mechanisms 4 to rotate simultaneously, the bottom end of the mounting end head 3 is fixedly connected with a rotating shaft 6, the rotating shaft 6 penetrates through the supporting rod 2, a speed changer 7 and a generator 8 are arranged in the base 1, the bottom end of the rotating shaft 6 is fixedly connected with the input end of the speed changer 7, and the output end of the speed changer 7 is fixedly connected with the input shaft of the generator 8.

According to the structure, when the wind driven generator is used for generating electricity, wind blows onto the blade mechanism 4 to drive the installation end head 3 to rotate, the installation end head 3 drives the rotating shaft 6 to rotate, the generator 8 is driven to work through the variable speed transmission of the transmission 7 to generate electricity, when the wind power is large, the unfolding angle of the blade mechanism 4 can be reduced, the installation end head 3 is prevented from rotating too fast, the rotating speed is prevented from being out of control, the unfolding angle of the blade mechanism 4 can be improved when the wind power is small, and the rotating speed of the installation end head 3 can be improved.

As shown in fig. 2 and 4, the mounting end 3 includes two end plates 31 that correspond to each other, fixedly connected with connecting cylinder 32 between two end plates 31, blade mechanism 4 rotates and connects between two end plates 31, and blade mechanism 4 distributes in the periphery of connecting cylinder 32, the bottom of one of them end plate 31 is provided with carousel 34, the bottom of carousel 34 is provided with connection pad 33, the top of bracing piece 2 and the bottom fixed connection of connection pad 33, the middle part of connection pad 33 is run through on the top of pivot 6 and the bottom fixed connection of one of them end plate 31, the middle part fixedly connected with plectane 35 of one of them end plate 31 bottom, the bottom fixed connection of plectane 35 has two annular rails 36 that set up concentrically, the bottom of connection pad 33 inlays and is equipped with two graphite contacts 37 that correspond to set up, the top of two graphite contacts 37 is sliding connection respectively in the inside of two annular rails 36, the bottom of two graphite contacts 37 is all fixedly connected with wire.

According to the above structure, when generating electricity, wind blows on the blade mechanism 4 to drive the end plates 31 and the connecting cylinder 32 to rotate, the connecting disc 33 is fixedly connected with the supporting rod 2, the rotating shaft 6 is installed at the bottom end of one of the end plates 31, after the end plates 31 rotate, the rotating shaft 6 is driven to rotate, the wire for supplying power to the driving mechanism 5 is electrically connected with the annular rail 36 through the graphite contact 37, the annular rail 36 rotates along with the end plates 31 through the annular rail 36, the annular rail 36 and the graphite contact 37 relatively slide, and the wire can be in a static state.

As shown in fig. 2 and 5, the vane mechanism 4 includes a vane body 41, two ends of the vane body 41 are fixedly connected with mounting shafts 42, two mounting shafts 42 are respectively connected with two end plates 31 in a rotating manner, the top end of one of the mounting shafts 42 is fixedly connected with a first gear 43, the driving mechanism 5 includes a housing 51 fixedly connected with the top end of one of the end plates 31, the top end of the housing 51 is fixedly connected with a positive and negative motor 52, an output shaft of the positive and negative motor 52 is fixedly connected with a second gear 53, the first gears 43 are respectively connected with the second gear 53 in a meshed manner, and the positive and negative motor 52 is respectively connected with two graphite contacts 37 through two annular rails 36.

According to the above structure, when the wind force is small, the positive and negative motor 52 can be controlled to forward drive the second gear 53 to rotate clockwise, and the blade body 41 is driven to expand by a larger angle to receive the wind force through the transmission of the first gear 43, and when the wind speed is large, the positive and negative motor 52 can be controlled to reverse, so as to drive the blade body 41 to shrink in a direction close to the connecting cylinder 32, the area of the blade body 41 for receiving the wind force is reduced, and the damage of the device caused by stall due to too high rotation speed of the wind driven end plate 31 is avoided.

The working principle of the utility model is as follows: when the wind driven generator is used for generating electricity, wind blows onto the blade body 41 to drive the end plate 31 to rotate, the end plate 31 drives the rotating shaft 6 to rotate, the generator 8 is driven to work through variable speed transmission of the transmission 7 to generate electricity, when the wind force is small, the positive and negative motor 52 can be controlled to drive the second gear 53 to rotate clockwise, the positive and negative motor 52 is controlled to rotate through transmission of the first gear 43 to drive the blade body 41 to expand a large angle to receive the wind force, when the wind speed is large, the positive and negative motor 52 can be controlled to rotate reversely to drive the blade body 41 to shrink in a direction close to the connecting cylinder 32, the area of the blade body 41 for receiving the wind force is reduced, the situation that the wind force drives the end plate 31 to rotate too fast to cause the stall damage of the device is avoided, during the electricity generation, a wire for supplying power to the driving mechanism 5 is electrically connected with the annular rail 36 through the graphite contact 37, the annular rail 36 rotates along with the end plate 31, the annular rail 36 slides relatively with the graphite contact 37, and the wire can be in a static state to prevent the wire from rotating along with the mounting end 3.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. Wind power generation set, including base (1) and bracing piece (2), its characterized in that: the utility model discloses a motor vehicle, including base (1), bracing piece (2), support piece (2) top is provided with installation end (3), the lateral wall rotation of installation end (3) is connected with around installation end (3) axle center equidistance distribution's vane mechanism (4), the top of installation end (3) is provided with and is used for driving a plurality of vane mechanism (4) pivoted actuating mechanism (5) simultaneously, the bottom fixedly connected with pivot (6) of installation end (3), pivot (6) run through bracing piece (2), the inside of base (1) is provided with derailleur (7) and generator (8), the bottom of pivot (6) and the input fixed connection of derailleur (7), the output of derailleur (7) and the input shaft fixed connection of generator (8).

2. A wind power plant according to claim 1, characterized in that: the installation end (3) comprises two end plates (31) which are correspondingly arranged, a connecting cylinder (32) is fixedly connected between the two end plates (31), the blade mechanism (4) is rotationally connected between the two end plates (31), and the blade mechanism (4) is distributed on the periphery of the connecting cylinder (32).

3. A wind power plant according to claim 2, characterized in that: one of them end plate (31)'s bottom is provided with carousel (34), the bottom of carousel (34) is provided with connection pad (33), the top of bracing piece (2) and the bottom fixed connection of connection pad (33), the middle part and one of them end plate (31)'s bottom fixed connection are run through on the top of pivot (6) connection pad (33).

4. A wind power plant according to claim 3, characterized in that: one of them middle part fixedly connected with plectane (35) of end plate (31) bottom, the bottom fixedly connected with of plectane (35) annular rail (36) of two concentric settings, the bottom of connection pad (33) inlays and is equipped with two graphite contacts (37) that correspond the setting, two the top of graphite contacts (37) sliding connection respectively is in two the inside of annular rail (36), two the equal fixedly connected with wire in bottom of graphite contacts (37).

5. A wind power plant according to claim 4, characterized in that: the blade mechanism (4) comprises a blade body (41), two ends of the blade body (41) are fixedly connected with mounting shafts (42), the two mounting shafts (42) are respectively and rotatably connected with the two end plates (31), and the top end of one of the mounting shafts (42) is fixedly connected with a first gear (43).

6. A wind power plant according to claim 5, characterized in that: the driving mechanism (5) comprises a shell (51) fixedly connected to the top end of one end plate (31), a positive motor (52) is fixedly connected to the top end of the shell (51), a second gear (53) is fixedly connected to an output shaft of the positive motor (52), and a plurality of first gears (43) are meshed with the second gear (53).

7. A wind power plant according to claim 6, characterized in that: the positive and negative motor (52) is electrically connected with the two graphite contacts (37) through the two annular rails (36) respectively.