CN119664579A - A wind turbine with adjustable blade angle - Google Patents
A wind turbine with adjustable blade angle Download PDFInfo
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- CN119664579A CN119664579A CN202411679746.XA CN202411679746A CN119664579A CN 119664579 A CN119664579 A CN 119664579A CN 202411679746 A CN202411679746 A CN 202411679746A CN 119664579 A CN119664579 A CN 119664579A
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- rotary drum
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D7/00—Controlling wind motors
- F03D7/06—Controlling wind motors the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
- F03D7/065—Controlling wind motors the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor controlling rotor speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
- F03D3/066—Rotors characterised by their construction elements the wind engaging parts being movable relative to the rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/32—Wind speeds
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
本发明涉及风力发电技术领域，公开了一种叶片角度可调的风力发电机，风力发电机包括：安装组件、多组叶片组件和角度调节组件；安装组件包括：底座、套筒和转筒，套筒设置于底座上，转筒转动设置于套筒顶端；多组叶片组件沿转筒的周向间隔设置，且一端伸入转筒内；角度调节组件包括：风速检测装置、驱动机构和角度调节机构，风速检测装置设置于转筒外壁，驱动机构设置于安装组件内，且与风速检测装置通讯连接，角度调节机构设置于安装组件内，并与驱动机构以及叶片组件的一端连接。本发明可根据风向、风速来调节叶片组件的角度，使风力发电机工作时能充分利用风能，以高效、稳定的工作状态持续工作，在风速过大时也能避免叶片组件转动过快而损坏。
The present invention relates to the technical field of wind power generation, and discloses a wind turbine with adjustable blade angle, the wind turbine comprising: a mounting assembly, a plurality of blade assemblies and an angle adjustment assembly; the mounting assembly comprises: a base, a sleeve and a rotating drum, the sleeve is arranged on the base, and the rotating drum is rotatably arranged at the top of the sleeve; the plurality of blade assemblies are arranged at intervals along the circumference of the rotating drum, and one end extends into the rotating drum; the angle adjustment assembly comprises: a wind speed detection device, a driving mechanism and an angle adjustment mechanism, the wind speed detection device is arranged on the outer wall of the rotating drum, the driving mechanism is arranged in the mounting assembly, and is communicatively connected with the wind speed detection device, the angle adjustment mechanism is arranged in the mounting assembly, and is connected with the driving mechanism and one end of the blade assembly. The present invention can adjust the angle of the blade assembly according to the wind direction and wind speed, so that the wind turbine can make full use of wind energy when working, and can continuously work in an efficient and stable working state, and can also avoid the blade assembly from rotating too fast and being damaged when the wind speed is too large.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a wind driven generator with an adjustable blade angle.
Background
Wind energy is a renewable clean energy source, wind power generation is a technology for generating electricity by using wind energy, and the wind power generation has the advantages of cleanness, environment friendliness, strong renewable property, low running cost and the like, is widely applied to various parts of the world, and plays an important role in realizing global energy transformation and coping with climate change.
The wind driven generator can be arranged on land or at sea, and is a device capable of converting wind energy in natural environment into electric energy. The working principle of the wind driven generator is that wind is utilized to drive the wind wheel to rotate, so that wind energy is converted into mechanical energy, and then the mechanical energy is converted into electric energy through the generator. Most of the blades on the existing wind driven generator are fixed and not adjustable, however, the wind direction and the wind speed are changeable in the natural environment, the fixedly arranged blades cannot fully utilize wind energy resources, the wind driven generator cannot always maintain a high-efficiency and stable working state, and when the wind speed of the natural environment is faster, the wind wheel is driven to rotate too fast, the blades are damaged, and even the wind driven generator fails to stop.
Disclosure of Invention
In view of this, the present invention provides a wind driven generator with adjustable blade angle, so as to solve the problems that the existing wind driven generator cannot adjust the blade, the wind driven generator cannot fully utilize wind energy, cannot continuously work in a high-efficiency stable state, and may cause damage to the blade and failure and shutdown of the wind driven generator when the wind speed is high.
In a first aspect, the present invention provides a wind turbine with adjustable blade angle, comprising:
the mounting assembly comprises a base, a sleeve and a rotary drum, wherein the sleeve is arranged on the base, and the rotary drum is rotatably arranged at the top end of the sleeve;
the blade assemblies are arranged at intervals along the circumferential direction of the rotary drum, and one end of each blade assembly extends into the rotary drum;
The angle adjusting assembly comprises a wind speed detecting device, a driving mechanism and an angle adjusting mechanism, wherein the wind speed detecting device is arranged on the outer wall of the rotary drum, the driving mechanism is arranged in the mounting assembly, the wind speed detecting device is in communication connection with the driving mechanism, the angle adjusting mechanism is arranged in the mounting assembly, the power input end of the angle adjusting mechanism is connected with the driving mechanism, and the power output end of the angle adjusting mechanism is connected with one end of the blade assembly extending into the rotary drum.
Advantageous effects
The wind speed detection device can monitor the wind direction and the wind speed of natural wind in real time, controls the driving mechanism according to the monitored signals, drives the angle adjusting mechanism through controlling the driving mechanism, and adjusts the angle of the blade assembly through the angle adjusting mechanism. That is, when the wind direction and the wind speed change, the angle of the blade assembly can be adjusted according to the requirements, and when the wind direction changes, the angle of the blade assembly is adjusted, so that the wind energy can be fully utilized when the wind driven generator works, the wind impact is reduced, and the wind driven generator continuously works in a high-efficiency and stable working state. The blade assembly can be prevented from being damaged due to too fast rotation when the wind speed is too high.
In an alternative embodiment, the angle adjusting mechanism comprises a transmission rod, a first bevel gear and a second bevel gear, one end of the transmission rod is located on the base and connected with the driving mechanism, the other end of the transmission rod extends into the rotary cylinder from the sleeve, the first bevel gear is arranged on the transmission rod, the second bevel gear is arranged at one end, extending into the rotary cylinder, of each group of blade assemblies, and the second bevel gear is meshed with the first bevel gear.
In an alternative embodiment, the driving mechanism comprises a lifting driving member and a rotating driving member, wherein the lifting driving member is used for driving the transmission rod to lift along the height direction of the sleeve, and the rotating driving member is used for driving the transmission rod to rotate around the axial direction of the sleeve.
Advantageous effects
The lifting driving component can drive the transmission rod to lift up and down, so that the first bevel gear is meshed with or separated from the second bevel gear. When the angle of the blade assembly needs to be adjusted, the first bevel gear is meshed with the second bevel gear, the transmission rod and the first bevel gear are driven to synchronously rotate through the rotary driving component, and then the second bevel gear can be driven to rotate, so that the rotation of the blade assembly is realized, and the purpose of adjusting the angle of the blade assembly is achieved. When the blade assembly works normally, the first bevel gear and the second bevel gear are in a separated state, so that the normal operation of the wind driven generator is not affected.
In an alternative embodiment, the lifting driving member comprises a lifting rod, the lifting rod is arranged in the base, a mounting plate is arranged on the part of the transmission rod, which is located on the base, and the driving end of the lifting rod is connected with the mounting plate.
In an alternative embodiment, a slider is disposed between the drive end of the lifter and the mounting plate.
Advantageous effects
The lifting rod stretches out and draws back along its axial and can drive the transfer line to go up and down, and the slider that sets up between lifting rod and mounting panel can reduce friction to can not influence the transfer line and rotate.
In an alternative embodiment, the rotary driving member comprises a driving motor, a first driving wheel and a second driving wheel, wherein the driving motor is arranged in the base, an output shaft of the driving motor is connected with the first driving wheel, one end of the driving rod positioned in the base is connected with the second driving wheel, and a driving belt is wound on the first driving wheel and the second driving wheel.
Advantageous effects
The driving motor transmits power to the transmission rod through the belt transmission mode to drive the transmission rod to rotate, the rotary driving member reasonably utilizes the space in the base, and the rotary driving member has a simple and compact structure and occupies a small installation space.
In an alternative embodiment, the fan assembly further comprises a fan starting assembly, wherein the fan starting assembly is used for driving the blade assembly to rotate.
In an alternative embodiment, the fan starting assembly comprises a starting motor, a rotating shaft and an inner cover shell, wherein the starting motor is arranged in the transmission rod, one end of the rotating shaft is connected with the driving end of the starting motor, the other end of the rotating shaft is connected with the inner cover shell, and the inner cover shell is positioned on the inner side of the rotary drum and fixedly connected with the rotary drum.
In an alternative embodiment, the top surface of the inner housing is provided with a clamping block, and the clamping block is connected with the rotary drum.
Advantageous effects
The rotating shaft is driven to rotate by the starting motor, so that the inner housing, the rotary drum and the blade assembly are driven to rotate, and the subsequent blade assembly can utilize wind energy to generate electricity. The blade assembly is easier to start after the fan starting assembly is arranged, and more wind energy resources are acquired.
In an alternative embodiment, the blade assembly comprises a fan blade and a connecting rod, wherein one end of the connecting rod is provided with the fan blade, and the other end of the connecting rod extends into the rotary drum.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a front view of a wind turbine with adjustable blade angle according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a wind turbine with adjustable blade angle according to an embodiment of the present invention;
FIG. 3 is a schematic view illustrating connection between a rotation driving member and an angle adjusting mechanism in a wind turbine with an adjustable blade angle according to an embodiment of the present invention;
fig. 4 is a schematic diagram of a wind turbine starting assembly with an adjustable blade angle in a wind turbine according to an embodiment of the invention.
Reference numerals illustrate:
11. a base, 12, a sleeve, 13 and a rotary drum;
2. The blade assembly 21, the fan blades 22 and the connecting rod;
31. Wind speed detection device 3211, lifting rod 3212, sliding block 3221, driving motor 3222, first driving wheel 3223, second driving wheel 3224, driving belt, 33, angle adjusting mechanism 331, driving rod 3311, mounting plate 332, first bevel gear 333, second bevel gear;
41. The engine comprises an engine motor 42, a rotating shaft 43, an inner cover shell 431, a cover body 432, a top cover 44 and a clamping block.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Embodiments of the present invention are described below with reference to fig. 1 to 4.
According to an embodiment of the present invention, in one aspect, there is provided a wind power generator with an adjustable blade angle, the wind power generator including a mounting assembly, a plurality of sets of blade assemblies 2, and an angle adjusting assembly. The installation assembly comprises a base 11, a sleeve 12 and a rotary drum 13, wherein the sleeve 12 is arranged on the base 11, the rotary drum 13 is rotatably arranged at the top end of the sleeve 12, a plurality of groups of blade assemblies 2 are arranged at intervals along the circumferential direction of the rotary drum 13, one ends of the blade assemblies 2 extend into the rotary drum 13, the angle adjusting assembly comprises a wind speed detection device 31, a driving mechanism and an angle adjusting mechanism 33, the wind speed detection device 31 is arranged on the outer wall of the rotary drum 13, the driving mechanism is arranged in the installation assembly, the wind speed detection device 31 is in communication connection with the driving mechanism, the angle adjusting mechanism is arranged in the installation assembly, the power input end of the angle adjusting mechanism is connected with the driving mechanism, and the power output end of the angle adjusting mechanism is connected with one ends of the blade assemblies 2 extending into the rotary drum 13.
The base 11 is rectangular and can be arranged on the ground, and a cavity is formed in the base 11. The sleeve 12 is hollow, the bottom end is fixedly arranged on the base 11, and the interior of the sleeve 12 is communicated with the interior of the base 11. The drum 13 is also hollow, similar in construction to the sleeve 12, and communicates with the interior of the sleeve 12. The diameter of the drum 13 is larger than the sleeve 12, but the height of the drum 13 is much smaller than the sleeve 12. The plurality of sets of vane packs 2 are arranged around the drum 13, in this embodiment four sets of vane packs 2 are arranged together, the angle between two adjacent sets of vane packs 2 being 90 °. When wind impacts on the surface of the blade assembly 2, the blade assembly 2 and the rotary drum 13 can be driven to rotate together, so that wind energy is utilized to convert the wind energy into electric energy.
Further, in this embodiment, the wind speed detecting device 31 is disposed at a central position of the top surface of the drum 13 to detect parameters such as wind direction and wind speed in the natural environment, and convert the relevant parameters into electrical signals, and transmit the electrical signals to the driving mechanism, and the driving mechanism receives the relevant electrical signals to drive the angle adjusting mechanism 33 to perform corresponding actions, so as to drive the blade assembly 2 to rotate to change the angle thereof.
The wind speed detection device 31 can monitor the wind direction and the wind speed of natural wind, control the driving mechanism according to the monitoring data, control the angle adjusting mechanism 33 through controlling the driving mechanism, and finally adjust the angle of the blade assembly 2 through the angle adjusting mechanism 33. That is, when the wind direction changes, the angle of the blade assembly 2 can be adjusted according to the wind direction, so that the blade assembly 2 is consistent with the wind direction, the wind energy of the wind driven generator can be fully utilized, the wind impact is reduced, and the wind driven generator can continuously work in a high-efficiency and stable working state. And when the wind speed is too high, the wind resistance can be increased by adjusting the angle of the blade assembly 2, and the rotating speed of the blade assembly 2 can be reduced, so that the blade assembly 2 can be prevented from being damaged due to too fast rotation.
In one embodiment, the angle adjusting mechanism 33 comprises a transmission rod 331, a first bevel gear 332 and a second bevel gear 333, one end of the transmission rod 331 is located on the base 11 and is connected with the driving mechanism, the other end extends into the rotary drum 13 from the sleeve 12, the first bevel gear 332 is arranged on the transmission rod 331, the second bevel gear 333 is arranged at one end of each group of blade assemblies 2 extending into the rotary drum 13, and the second bevel gear 333 is meshed with the first bevel gear 332.
The transmission rod 331 is a hollow rod, and the rod extends from the inside of the base 11 to the inside of the drum 13, i.e. one end of the transmission rod 331 is located in the base 11 so as to be connected with the driving mechanism. And the transfer line 331 is provided with the mounting panel on being located the inside body of rod of base 11, and the mounting panel is fixed to be set up on transfer line 331, can rotate along with transfer line 331, and the diameter of mounting panel is greater than the diameter of the body of rod of transfer line 331. The other end of the transmission rod 331 is located in the drum 13 and is provided with a first bevel gear 332 at its end. The first bevel gear 332 is located at the lower side of the second bevel gear 333, and the first bevel gear 332 is engageable with the second bevel gear 333 provided at the end of each blade assembly 2 extending into the drum 13, in this embodiment four sets of blade assemblies 2 are provided, that is, the first bevel gear 332 is simultaneously engaged with the four second bevel gears 333. Thus, when the first bevel gear 332 rotates, the second bevel gear 333 is driven to rotate, and the blade assembly 2 is synchronously driven to rotate, so that the angle adjustment of the blade assembly 2 is realized.
In one embodiment, the driving mechanism includes a lift driving member for driving the transmission rod 331 to lift in the height direction of the sleeve 12, and a rotation driving member for driving the transmission rod 331 to rotate around the axial direction of the sleeve 12.
The lifting driving member is used for changing the engagement state of the first bevel gear 332 and the second bevel gear 333, that is, when the angle of the blade assembly 2 needs to be adjusted, the lifting driving member drives the transmission rod 331 to ascend, so that the first bevel gear 332 is engaged with the second bevel gear 333, and then the transmission rod 331 and the first bevel gear 332 are driven to rotate by the rotation driving member, so that the second bevel gear 333 and the blade assembly 2 are driven to synchronously rotate to realize angle adjustment. When the angle of the vane assembly 2 is not required to be adjusted, the vane assembly 2 and the drum 13 are required to be rotated to generate electricity using wind energy, and at this time, in order to prevent the first bevel gear 332 from interfering with the second bevel gear 333, the driving rod 331 is required to be driven to be lifted down by the lifting driving member, so that the first bevel gear 332 is separated from the second bevel gear 333.
In one embodiment, the lifting driving member comprises a lifting rod 3211, the lifting rod 3211 is arranged in the base 11, a mounting plate is arranged on the part of the transmission rod 331, which is positioned on the base 11, and the driving end of the lifting rod 3211 is connected with the mounting plate.
The lifting direction of the lifting rod 3211 is along the height direction of the sleeve 12, the installation end of the lifting rod 3211 is arranged on the bottom surface of the base 11, and the driving end of the lifting rod 3211 is connected with the bottom surface of the installation plate on the transmission rod 331, so that the transmission rod 331 can be driven to integrally lift when the lifting rod 3211 stretches and contracts. The lifting rod 3211 can be provided with one lifting rod or a plurality of lifting rods around the transmission rod 331, so that the stress of the mounting plate is more uniform when the lifting rods 3211 are arranged, and the lifting process of the transmission rod 331 is more stable. The lifting rod 3211 may be a linear driving device such as an electric telescopic rod or a pneumatic telescopic rod.
In one embodiment, a slider 3212 is provided between the drive end of the lifter 3211 and the mounting plate.
Because the transmission rod 331 rotates under the drive of the rotary driving member, the mounting plates also rotate synchronously, so that the mounting plates rub against the lifting rod 3211, the two rub against each other, and the rotation of the rotating rod is affected when the friction is large. By arranging the sliding block 3212, the friction force between the sliding block and the mounting plate can be greatly reduced, and the rotation of the rotating rod can not be influenced.
In one embodiment, the rotary driving member includes a driving motor 3221, a first driving wheel 3222 and a second driving wheel 3223, the driving motor 3221 is disposed in the base 11, an output shaft of the driving motor is connected with the first driving wheel 3222, one end of the driving rod 331 located in the base 11 is connected with the second driving wheel 3223, and a driving belt 3224 is wound on the first driving wheel 3222 and the second driving wheel 3223.
The driving motor 3221 is disposed on the top surface of the base 11, and the driving motor 3221 can drive the first driving wheel 3222 to rotate, and further can drive the second driving wheel 3223 and the driving rod 331 to rotate through the driving belt 3224. The second driving wheel 3223 and the length are larger than the first driving wheel 3222, because the second driving wheel 3223 can be lifted along with the driving rod 331, so that the second driving wheel 3223 can be kept connected with the driving belt 3224 when lifted.
In one embodiment, the wind power generator further comprises a fan start assembly for driving the blade assembly 2 in rotation.
When the wind driven generator is ready to start working, the fan starting assembly can firstly drive the blade assembly 2 to rotate, and then wind is utilized to drive the blade assembly 2 to rotate, so that the resistance and difficulty of directly driving the blade assembly 2 to rotate by wind can be reduced.
In one embodiment, the fan starting assembly comprises a motor 41, a rotating shaft 42 and an inner cover shell 43, wherein the motor 41 is arranged in a transmission rod 331, one end of the rotating shaft 42 is connected with the driving end of the motor 41, the other end of the rotating shaft 42 is connected with the inner cover shell 43, and the inner cover shell 43 is positioned on the inner side of the rotary drum 13 and fixedly connected with the rotary drum 13.
The inner housing 43 is located inside the drum 13 and covers the first bevel gear 332 and the second bevel gear 333. The inner housing 43 is arranged coaxially with the drum 13 and is fixedly connected to the drum 13. The interior of the transmission rod 331 is hollow and can be used just to provide the motor 41 and the shaft 42. The motor 41 is positioned at the bottom of the sleeve 12 and is connected to one end of the shaft 42, and the other end of the shaft 42 extends upwardly until it is connected to the inner housing 43. The motor 41 is operated to rotate the shaft 42, and further rotate the inner housing 43, the drum 13 and the vane assembly 2 via the shaft 42.
In one embodiment, the top surface of the inner housing 43 is provided with a latch 44, the latch 44 being coupled to the drum 13.
The inner housing 43 includes a housing 431 and a top cover 432, the housing 431 is cylindrically provided outside the first bevel gear 332 and the second bevel gear 333, and the top cover 432 is provided at the top end of the housing 431. And the top cover 432 is provided with a plurality of clamping blocks 44, and the clamping blocks 44 are square. Is welded and fixed with the rotary drum 13 through a clamping block 44.
In one embodiment, the blade assembly 2 comprises a blade 21 and a connecting rod 22, one end of the connecting rod 22 being provided with the blade 21, the other end of the connecting rod 22 extending into the drum 13.
The fan blades 21 are positioned outside the drum 13, and have a flat overall shape. The connecting rod 22 is a round rod, one end of the connecting rod is connected with the fan blade 21, the other end of the connecting rod passes through the rotary drum 13 and the inner cover shell 43, extends out of the inner side of the inner cover shell 43, and is provided with a second bevel gear 333. The fan blades 21 and the connecting rod 22 can synchronously rotate along with the second bevel gear 333.
In other embodiments, the fan 21 may have other shapes such as a lancet shape.
The following describes the operation of the wind turbine according to the present embodiment as follows:
The motor 41 is started first, and the motor 41 drives the shaft 42 to rotate, and the shaft 42 drives the inner casing 43 and the drum 13 connected with the shaft to rotate when rotating. The connecting rod 22 in the blade assembly 2 passes through the inner housing 43 and the rotary drum 13, so that the connecting rod 22 and the fan blades 21 can be driven to synchronously rotate when the inner housing 43 and the rotary drum 13 rotate, thereby realizing the rotation of the blade assemblies 2. The wind can also act on the blade assembly 2 in the rotating process of the blade assembly 2, and further drives the blade assembly 2 to rotate, so that the rotating speed of the blade assembly 2 is increased, and the blade assembly 2 can generate electricity by utilizing wind energy.
The wind speed detecting device 31 detects the wind direction and the wind speed in the natural environment in real time, and transmits a control signal to the driving mechanism when the blade assembly 2 needs to be adjusted. At this time, the lifting rod 3211 is lifted up to lift the driving rod 331, so that the first bevel gear 332 on the driving rod 331 is engaged with the second bevel gear 333 on the connecting rod 22 of the vane assembly 2. Then, the driving motor 3221 is started to drive the transmission rod 331 to rotate by a certain angle, and the first bevel gear 332 on the synchronous transmission rod 331 also rotates by a corresponding angle, so as to drive the second bevel gear 333 to rotate by a certain angle to adjust the angle of the blade assembly 2. In the normal power generation process, the angle of the blade assembly 2 is generally adjusted to be consistent with the wind direction, so that wind resistance is reduced, wind energy is fully utilized, the rotating speed of the blade assembly 2 is accelerated, and the power generation efficiency is improved. However, when the wind speed in the natural environment is too high, if the rotating speed of the blade assembly 2 is also high, the damage of the blade assembly 2 and the failure of the wind driven generator can be caused, so that the wind resistance is increased by adjusting the angle of the blade assembly 2 when the wind speed is high, the rotating speed of the blade assembly 2 can be reduced, and the safe operation of the wind driven generator is ensured.
Although embodiments of the present invention have been described in connection with the accompanying drawings, various modifications and variations may be made by those skilled in the art without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope of the invention as defined by the appended claims.
Claims (10)
1. A wind-driven generator with an adjustable blade angle, comprising:
The mounting assembly comprises a base (11), a sleeve (12) and a rotary drum (13), wherein the sleeve (12) is arranged on the base (11), and the rotary drum (13) is rotatably arranged at the top end of the sleeve (12);
A plurality of groups of blade assemblies (2), wherein the blade assemblies (2) are arranged at intervals along the circumferential direction of the rotary drum (13), and one end of each blade assembly (2) extends into the rotary drum (13);
The angle adjusting assembly comprises a wind speed detecting device (31), a driving mechanism and an angle adjusting mechanism (33), wherein the wind speed detecting device (31) is arranged on the outer wall of the rotary drum (13), the driving mechanism is arranged in the mounting assembly, the wind speed detecting device (31) is in communication connection with the driving mechanism, the angle adjusting mechanism (33) is arranged in the mounting assembly, the power input end of the angle adjusting mechanism is connected with the driving mechanism, and the power output end of the angle adjusting mechanism is connected with one end of the blade assembly (2) extending into the rotary drum (13).
2. The wind turbine with adjustable blade angle according to claim 1, wherein the angle adjusting mechanism (33) comprises a transmission rod (331), a first bevel gear (332) and a second bevel gear (333), one end of the transmission rod (331) is located at the base (11) and is connected with the driving mechanism, the other end of the transmission rod extends from the sleeve (12) into the rotary drum (13), the first bevel gear (332) is arranged on the transmission rod (331), the second bevel gear (333) is arranged at one end of each group of blade assemblies (2) extending into the rotary drum (13), and the second bevel gear (333) is meshed with the first bevel gear (332).
3. The wind power generator with adjustable blade angle according to claim 2, wherein the driving mechanism comprises a lifting driving member for driving the transmission rod (331) to lift in the height direction of the sleeve (12) and a rotation driving member for driving the transmission rod (331) to rotate around the axial direction of the sleeve (12).
4. A wind-driven generator with adjustable blade angle according to claim 3, wherein the lifting driving component comprises a lifting rod (3211), the lifting rod (3211) is arranged in the base (11), a mounting plate is arranged on the part of the transmission rod (331) located in the base (11), and the driving end of the lifting rod (3211) is connected with the mounting plate.
5. The wind driven generator with the adjustable blade angle according to claim 4, wherein a sliding block (3212) is arranged between the driving end of the lifting rod (3211) and the mounting plate.
6. A wind-driven generator with adjustable blade angle according to claim 3, wherein the rotary driving component comprises a driving motor (3221), a first driving wheel (3222) and a second driving wheel (3223), the driving motor (3221) is arranged in the base (11), an output shaft of the driving motor is connected with the first driving wheel (3222), one end of the driving rod (331) positioned in the base (11) is connected with the second driving wheel (3223), and a driving belt (3224) is wound on the first driving wheel (3222) and the second driving wheel (3223).
7. The wind power generator with adjustable blade angle according to claim 2, further comprising a fan start assembly for driving the blade assembly (2) in rotation.
8. The wind driven generator with adjustable blade angles according to claim 7, wherein the fan starting assembly comprises a starting motor (41), a rotating shaft (42) and an inner cover shell (43), the starting motor (41) is arranged in the transmission rod (331), one end of the rotating shaft (42) is connected with the driving end of the starting motor (41), the other end of the rotating shaft (42) is connected with the inner cover shell (43), and the inner cover shell (43) is located on the inner side of the rotary drum (13) and fixedly connected with the rotary drum (13).
9. Wind generator with adjustable blade angle according to claim 8, characterized in that the top surface of the inner casing (43) is provided with a clamping block (44), which clamping block (44) is connected with the drum (13).
10. Wind generator with adjustable blade angle according to any of claims 1-9, characterized in that the blade assembly (2) comprises a blade (21) and a connecting rod (22), wherein one end of the connecting rod (22) is provided with the blade (21), and the other end of the connecting rod (22) extends into the rotor (13).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411679746.XA CN119664579A (en) | 2024-11-21 | 2024-11-21 | A wind turbine with adjustable blade angle |
| DE202025103702.5U DE202025103702U1 (en) | 2024-11-21 | 2025-06-30 | Wind turbine with adjustable rotor blade angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411679746.XA CN119664579A (en) | 2024-11-21 | 2024-11-21 | A wind turbine with adjustable blade angle |
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| Publication Number | Publication Date |
|---|---|
| CN119664579A true CN119664579A (en) | 2025-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411679746.XA Pending CN119664579A (en) | 2024-11-21 | 2024-11-21 | A wind turbine with adjustable blade angle |
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| Country | Link |
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| CN (1) | CN119664579A (en) |
| DE (1) | DE202025103702U1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205154498U (en) * | 2015-12-04 | 2016-04-13 | 河南奥蓝普新能源科技股份有限公司 | Low wind speed S type vertical axis aerogenerator |
| CN111927706A (en) * | 2020-08-10 | 2020-11-13 | 芜湖籁余新能源科技有限公司 | Fan blade multi-angle adjusting type vertical axis wind driven generator |
| CN112065655A (en) * | 2020-09-27 | 2020-12-11 | 王锦 | Blade adjusting method and module, wind wheel and vertical axis wind turbine |
| CN113217288A (en) * | 2021-05-25 | 2021-08-06 | 宜兴华永电机有限公司 | Permanent-magnet semi-direct-drive wind driven generator |
| CN214092138U (en) * | 2020-12-30 | 2021-08-31 | 赛赐电力科技(上海)有限公司 | Wind power generation equipment capable of facing wind direction |
| CN215830634U (en) * | 2021-09-22 | 2022-02-15 | 枣庄学院 | Fan blade angle adjusting mechanism of wind driven generator |
-
2024
- 2024-11-21 CN CN202411679746.XA patent/CN119664579A/en active Pending
-
2025
- 2025-06-30 DE DE202025103702.5U patent/DE202025103702U1/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205154498U (en) * | 2015-12-04 | 2016-04-13 | 河南奥蓝普新能源科技股份有限公司 | Low wind speed S type vertical axis aerogenerator |
| CN111927706A (en) * | 2020-08-10 | 2020-11-13 | 芜湖籁余新能源科技有限公司 | Fan blade multi-angle adjusting type vertical axis wind driven generator |
| CN112065655A (en) * | 2020-09-27 | 2020-12-11 | 王锦 | Blade adjusting method and module, wind wheel and vertical axis wind turbine |
| CN214092138U (en) * | 2020-12-30 | 2021-08-31 | 赛赐电力科技(上海)有限公司 | Wind power generation equipment capable of facing wind direction |
| CN113217288A (en) * | 2021-05-25 | 2021-08-06 | 宜兴华永电机有限公司 | Permanent-magnet semi-direct-drive wind driven generator |
| CN215830634U (en) * | 2021-09-22 | 2022-02-15 | 枣庄学院 | Fan blade angle adjusting mechanism of wind driven generator |
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| Publication number | Publication date |
|---|---|
| DE202025103702U1 (en) | 2025-07-21 |
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