CN113279903A - Wind power generator - Google Patents
Wind power generator Download PDFInfo
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- CN113279903A CN113279903A CN202110557037.4A CN202110557037A CN113279903A CN 113279903 A CN113279903 A CN 113279903A CN 202110557037 A CN202110557037 A CN 202110557037A CN 113279903 A CN113279903 A CN 113279903A
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- 238000004804 winding Methods 0.000 claims abstract description 30
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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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor the axis being vertical
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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
- F03D13/00—Assembly, mounting or commissioning of wind motors; Arrangements specially adapted for transporting wind motor components
- F03D13/20—Arrangements for mounting or supporting wind motors; Masts or towers for wind motors
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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
- F03D3/061—Rotors characterised by their aerodynamic shape, e.g. aerofoil profiles
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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
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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
- F03D3/067—Cyclic movements
- F03D3/068—Cyclic movements mechanically controlled by the rotor structure
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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
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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
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Abstract
The invention discloses a wind power generation device, which comprises a generator and a tower, wherein the tower is provided with: the wind wheel is rotatably arranged on the tower frame and is provided with a breeze driving assembly and a typhoon driving assembly; the breeze driving assembly comprises a supporting frame, wherein the supporting frame is provided with a breeze fan blade, one end of the breeze fan blade is provided with a winding drum, and the winding drum is connected with a first motor; the typhoon driving component comprises typhoon blades; the wind speed monitor is arranged on the tower and is connected with the first motor; when the wind speed monitor detects that the external wind speed is greater than a first set value, the winding drum acts to wind the breeze fan blade. The wind power generation device of the embodiment solves the problem that the conventional wind power generation device cannot simultaneously take account of high wind speed and low wind speed by arranging the windy fan blades, so that the full load output of the wind power generation device can be realized at very low wind speed, the annual average generated energy of the wind power generation device is greatly improved, and the wind power generation device can be popularized and used in China.
Description
Technical Field
The present invention relates to the field of wind power generation, and more particularly, to a wind power generation apparatus capable of generating power in both a breeze state and a typhoon state.
Background
The wind power generation device commonly used in the world at present adopts the fan blades with fixed areas, and due to the design, the area of the fan blades is fixed, when the wind speed is low, the thrust generated by the fan blades is lower, and when the wind speed is high, the thrust generated by the fan blades is higher. When the area of the fan blade is large, the breeze can also generate enough thrust to carry out wind power generation, but the fan blade is easy to damage when meeting strong wind or typhoon, and even the main shaft and the generator are damaged because the thrust generated by the fan blade is overlarge. Therefore, the conventional wind power generation device generally selects the fan blades with smaller areas according to the local possible conditions of strong wind or typhoon, so that the wind power generation device is not easy to damage. However, the wind power generation device can only be installed and used in high wind areas, and when the wind speed is low, the output power is greatly reduced, so that the annual power generation hours of the wind power generation device are low, the equipment utilization rate is low, and if the wind power generation device is installed in low wind speed areas, the annual power generation hours are much lower, even the wind power generation is not performed.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a wind power generation device which is provided with a breeze fan blade, a typhoon fan blade and a wind speed monitor, wherein the breeze fan blade is controlled to be wound according to the wind speed, the breeze fan blade can be used for driving the breeze fan blade to generate power, and the breeze fan blade is retracted when the breeze or the typhoon occurs, so that the typhoon resistance of equipment is improved.
According to the embodiment of the first aspect of the invention, the wind power generation device comprises a generator and a tower, wherein the tower is provided with: the wind wheel is rotatably arranged on the tower and comprises a wheel shaft and a plurality of wind rings, one end of the wheel shaft is connected with the generator, and a breeze driving assembly and a typhoon driving assembly are arranged between the wind rings; the breeze driving assembly comprises a supporting frame extending outwards from the wind wheel, a flexible film-shaped breeze blade for receiving wind power is arranged on the supporting frame, a winding drum is arranged at one end of the breeze blade, and the winding drum is connected with a first motor; the typhoon driving component is arranged on the wind wheel and comprises typhoon blades made of rigid materials; the wind speed monitor is arranged on the tower and is connected with the first motor; when the wind speed monitor detects that the external wind speed is greater than a first set value, the wind speed monitor controls the first motor to work, and the winding drum is driven to act to wind the breeze fan blade.
The wind power generation device according to the embodiment of the first aspect of the invention has at least the following advantages: the wind power generation device of the embodiment is provided with a breeze driving assembly, a typhoon driving assembly and a wind speed monitor, wherein the breeze driving assembly comprises a flexible film-shaped breeze blade, and the typhoon driving assembly comprises a rigid material-made typhoon blade; when the wind speed is low, the breeze fan blade is unfolded, so that the wind power generation device generates power under the condition of low wind speed, and high power output is ensured; when the wind speed monitor detects that the wind speed is greater than the first set value, the breeze fan blade is retracted through the winding drum, damage to the wind power generation device caused by blowing the breeze fan blade by high wind speed is avoided, and meanwhile, the typhoon fan blade made of rigid materials is exposed to wind, so that the wind power generation device still generates power smoothly under the condition of high wind speed. The embodiment solves the problem that the conventional wind power generation device cannot simultaneously take into account high wind speed and low wind speed by arranging the windable breeze fan blade, so that the full load output of the wind power generation device can be realized at very low wind speed, the annual average generated energy of the wind power generation device is greatly improved, the wind power generation device can be applied to low wind speed areas, and the application range of the wind power generation device is improved.
According to the wind power generation device of the first aspect of the present invention, when the wind speed monitor detects that the external wind speed is less than a second set value, the wind speed monitor controls the first motor to operate, and drives the winding drum to move in a reverse direction to unfold the breeze blade, wherein the second set value is less than or equal to the first set value. According to the wind speed fed back by the wind speed monitor in real time, the breeze fan blade is controlled to automatically unfold at a low wind speed, the breeze can be used for generating electricity in time, and the automation degree of the device is improved.
According to the wind power generation device of the first aspect of the invention, the breeze fan blade is a thin metal sheet or a synthetic resin film or a polymer film, the material has the advantages of high strength, light weight and capability of being rolled up, and the large-area breeze fan blade made of the material is not easy to damage and can be driven by breeze.
According to the wind power generation device of the first aspect of the invention, the tail end of the support frame is hinged with a movable support, the breeze blade is arranged on the movable support, a first spring with trigger control is arranged on the support frame or the movable support, the movable support and the breeze blade are attached to the support frame at ordinary times, the movable support is bounced off after the first spring triggers, and the breeze blade drives the movable support to be turned over under the action of wind power. In the conventional wind power generation device with the vertical shaft structure, the fan blade is perpendicular to the wind direction only once in the process of rotating the wind wheel for one circle and is pushed by the maximum wind power. In the embodiment, the movable support is hinged to the tail end of the support frame, the breeze fan blades are arranged on the movable support, the movable support and the breeze fan blades are attached to the support frame at ordinary times, when the wind wheel rotates to enable the support frame to be in a position balanced with the wind flow direction, the movable support is flicked by the first spring to enable the breeze fan blades to be turned over under the action of wind power, the breeze fan blades are perpendicular to the wind direction again, each breeze fan blade has two chances to be pushed by the maximum wind power every time the wind wheel rotates for one circle, the working time of the breeze fan blades by the wind power exceeds half of a circle, and the utilization rate of the wind power and the power generation efficiency are improved.
According to the wind power generation device of the first aspect of the invention, the movable support is provided with the rotation limiter, so that the movable support is vertical to the support frame after being turned, when the wind wheel rotates to enable the support frame to reach a position balanced with the wind flow direction, the movable support and the breeze blade are vertical to the support frame after being turned, and the breeze blade is again vertical to the wind direction and is pushed by the maximum wind power.
According to the wind power generation device of the first aspect of the present invention, a buffer is provided between the support frame and the movable support. When the movable support is turned over, the buffer is used for restraining, the turning speed of the movable support is reduced before the movable support is turned over to the end, the impact on the support frame and the movable support is reduced, the breeze fan blade is prevented from being damaged when the movable support is turned over, and the service life of the breeze fan blade is prolonged.
According to the wind power generation device of the first aspect of the invention, the typhoon blades comprise wind receiving blades and adjusting blades, the wind receiving blades and the adjusting blades are both arranged in a semicircular groove shape, the radius of the adjusting blades is smaller than that of the wind receiving blades, and the adjusting blades are movably embedded in the inner sides of the wind receiving blades; the typhoon driving assembly further comprises a second motor, the wind speed monitor is connected with the second motor, and the second motor is used for driving the adjusting blades to rotate so as to adjust the wind area of the wind receiving blades. The wind speed monitor feeds back wind speed in real time, the second motor drives the adjusting blade to rotate, and the closing angle between the adjusting blade and the wind-receiving blade is adjusted according to the wind speed, so that the wheel shaft is stable, and the wind power generation device can generate power stably. When the wind speed is low, the adjusting blades are fully embedded in the wind-receiving blades, the opening directions of the adjusting blades and the wind-receiving blades are consistent, a semicircle is formed, and the acting force of wind on the typhoon fan blades is maximum; when the wind speed is higher, the adjusting blade turns to the opposite side of the windward blade, and when the openings of the adjusting blade and the windward blade are opposite and closed, a cylinder is formed, the resistance to wind is minimum, and therefore the function of resisting super typhoon is achieved.
According to the wind power generation device of the first aspect of the invention, the second motor is connected with the adjusting blade through the reduction gear box, and the second motor can stably and reliably control the adjusting blade.
According to the wind power generation device of the first aspect of the present invention, the breeze driving assembly and the typhoon driving assembly are both provided in plurality, and the breeze driving assembly and the typhoon driving assembly are circumferentially and uniformly arranged and alternately arranged on the wind wheel.
According to the wind turbine generator of the first aspect of the present invention, the wind ring is connected to the wheel shaft by a wire rope. The steel cable has the advantages of high strength, strong toughness, pulling resistance, light weight and the like, and the steel cable is used as a connecting piece between the wind ring and the wheel shaft, so that the weight of the wind wheel is effectively reduced.
According to the wind power generation device of the first aspect of the invention, the wind wheel is provided in plurality, so that the efficiency of the wind power generation device is improved.
According to the wind power generation device of the first aspect of the invention, the wind power generation device further comprises a plurality of wind collecting sheets for guiding wind direction, the wind collecting sheets are uniformly arranged on the outer side of the wind wheel, wind flow around the wind power generation device is guided to the wind wheel through the wind collecting sheets, and the efficiency of the wind power generation device can be improved.
According to the wind power generation device of the first aspect of the invention, the wind channel is formed between the wind collecting pieces, the opening of the wind channel facing the outside is larger than the opening of the wind channel facing the wind wheel, and when wind blows to the wind wheel from the outside, the wind needs to pass through the wind channel from wide to narrow, so that the wind speed is improved, and the blades are pushed to act better.
According to the wind power generation device of the first aspect of the invention, the wind collecting sheet is made of flexible material, one end of the wind collecting sheet is provided with a winding drum, the winding drum is connected with a third motor, and the third motor is connected with the wind speed monitor. When the wind speed is too high, the third motor can be used for driving the winding drum to wind the wind collecting sheet, so that the wind collecting sheet is prevented from being damaged by strong wind.
According to the wind power generation device of the first aspect of the invention, the wind collecting piece support is further included, the wind collecting piece and the third motor are arranged on the wind collecting piece support, and the wind collecting piece support is connected with the tower, so that firmness of the tower is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a wind power plant according to the present invention;
FIG. 2 is a top view of the wind power plant of FIG. 1;
FIG. 3 is a schematic structural view of a wind ring and a fan blade above the wind ring;
FIG. 4 is a schematic structural view of a breeze drive assembly;
fig. 5 is a state diagram of the breeze driving apparatus.
The reference numbers illustrate:
the wind power generation device comprises a tower 100, a reinforcing rod 110, a wind wheel support rod 120, a wind wheel 200, a connecting bolt 210, a wheel shaft 220, a bearing 221, a breeze driving assembly 300, a supporting frame 310, a breeze wind blade 320, a winding drum 330, a movable support 340, a hinge shaft 341, a buffer 350, a typhoon driving assembly 400, a wind receiving blade 410 and an adjusting blade 420.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, several means are one or more, and more means are two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 2, a preferred embodiment of the present invention provides a wind power generation apparatus including a generator and a tower 100. The generator is preferably arranged inside the tower 100, and in addition, the generator may also be arranged outside the tower 100. The tower 100 is comprised of a plurality of support rods and stiffeners 110. The tower 100 is further provided with a wind wheel support 120, and the wind wheel 200 is mounted on the wind wheel support 120. The wind wheel 200 includes a wheel shaft 220, the wheel shaft 220 is vertically disposed, and both ends of the wheel shaft 220 are rotatably mounted on the wind wheel support 120 through bearings 221. The axle 220 is connected to a generator by a transmission. In this embodiment, the wind wheel 200 is provided with a plurality of wind rings, and the wind rings are connected together by connecting bolts 210. The wind ring is connected to the axle 220 by a wire rope. The steel cable has the advantages of high strength, strong toughness, pulling resistance, light weight and the like, is used as a connecting piece between the wind ring and the wheel shaft 220, effectively reduces the weight of the wind wheel 200 on the premise of ensuring stable connection, and is particularly suitable for large-size wind power generation devices. The breeze driving assemblies 300 and the typhoon driving assemblies 400 are uniformly arranged between the wind rings, and the breeze driving assemblies 300 and the typhoon driving assemblies 400 are alternately arranged, as shown in fig. 3. The power output is stable in the weather of breeze and strong wind. The wind wheel 200 drives the generator to work through the wheel shaft 220 to generate electricity. The tower 100 is further provided with a wind speed monitor for monitoring the external wind speed and comparing the external wind speed with a set value in the wind speed monitor.
Further, referring to fig. 4, the breeze driving assembly 300 includes a supporting frame 310 extending outward from the wind wheel 200, a breeze blade 320 in a flexible film shape for receiving wind power is disposed on the supporting frame 310, the breeze blade 320 is a thin metal sheet, a synthetic resin film, or a polymer film, and has a large area, high strength, light weight, and is windable, a winding drum 330 is disposed at one end of the breeze blade 320, the winding drum 330 is fixedly disposed on the supporting frame 310, the winding drum 330 is connected to a first motor, and the first motor is connected to a wind speed monitor. When the wind speed is low, the first motor controls the breeze fan blade 320 to be unfolded, so that the wind wheel 200 can receive more wind power as much as possible, the wheel shaft 220 can be driven to rotate under the condition of low wind speed, the generator is driven to generate power, and the stable power output of the wind power generation device under the condition of low wind speed is ensured. When the wind speed monitor monitors that the external wind speed is increased and is greater than a first set value in the wind speed monitor, the wind speed monitor controls the first motor to work, the winding drum 330 is driven to roll up the breeze fan blade 320, damage to the wind power generation device caused by the breeze blowing the breeze fan blade 320 by strong wind is avoided, and the application range of the wind power generation device is widened. In the present embodiment, the first set value is 20 m/sec. Further, as shown in fig. 4, a reel may be provided to fit the winding drum 330, and the breeze blade 320 may be unwound between the winding drum 330 and the reel.
To improve the utilization of the wind, the embodiment further improves the breeze driving assembly 300. Referring to fig. 4, the end of the supporting frame 310 is hinged with a movable bracket 340 through a hinge shaft 341, and the winding drum 330 and the breeze blade 320 are arranged on the movable bracket 340. The supporting frame 310 or the movable bracket 340 is provided with a first spring with a trigger control. At ordinary times, the movable support 340 is positioned in the support frame 310 and is positioned in the same plane with the support frame 310, and the breeze blade 320 is unfolded in the movable support 340; the first spring triggers the action to eject the movable bracket 340, and the breeze blade 320 drives the movable bracket 340 to open under the action of wind power. Further, in this embodiment, a rotation limiter is disposed on the hinge shaft 341 of the movable bracket 340, so that the movable bracket 340 is vertical to the supporting frame 310 after being turned over; a buffer 350 is arranged between the supporting frame 310 and the movable support 340, so that the damage of the equipment caused by overlarge force when the movable support 340 is turned over is avoided. In the conventional wind power generation device with the vertical shaft structure, the fan blades are perpendicular to the wind direction only once and are pushed by the maximum wind force in the process of rotating the wind wheel 200 for one circle. In the embodiment, the movable support 340 is hinged to the tail end of the support frame 310, the breeze blade 320 is arranged on the movable support 340, the movable support 340 and the breeze blade 320 are attached to the support frame 310 at ordinary times, when the wind wheel 200 rotates to enable the support frame 310 to move to a position balanced with the wind flow direction, the first spring is utilized to bounce the movable support 340 open, the breeze blade 320 is enabled to be turned open under the action of wind power, the breeze blade 320 is perpendicular to the wind direction again, and each breeze blade 320 has two chances to be pushed by the maximum wind power every time the wind wheel 200 rotates for one circle.
Specifically, as shown in fig. 5, the state of the breeze driving assembly 300 at each point when the wind wheel 200 rotates one circle is shown. In the figure, wind blows from six points, and when the breeze driving assembly 300 is in the five-point position, the breeze blades 320 are pushed by the wind to push the wind wheel 200 to rotate counterclockwise. When the breeze driving assembly 300 moves to the seven-point position, the supporting frame 310 is perpendicular to the wind direction, and the breeze blade 320 is pushed by the maximum wind force. The wind wheel 200 continues to rotate, when the breeze driving assembly 300 moves to the ten-point position, the supporting frame 310 is balanced with the wind flow direction, the wind flow has no acting force on the breeze blade 320, at this time, the first spring is utilized to bounce the movable support 340, so that the breeze blade 320 is turned over under the action of wind power, and the breeze blade 320 is perpendicular to the wind direction again and is pushed by the maximum wind power. When the breeze driving assembly 300 rotates to a one-clock position, the breeze blade 320 begins to balance with the wind flow direction, reducing the resistance when the blade revolves round, and increasing the efficiency of the wind wheel 200. Thereafter, since the movable bracket 340 can swing freely within a certain range, when the breeze driving assembly 300 rotates back, the breeze blades 320 can always keep balance with the wind flow direction, so as to reduce the resistance until the breeze driving assembly 300 rotates to the five o' clock position, and the breeze blades 320 and the movable bracket 340 return to the supporting frame 310 again under the action of the wind, thereby completing a cycle. Through the structure, in the process that the wind wheel 200 rotates for one circle, the working time of the wind power to the breeze fan blade 320 exceeds a half circle, and the utilization rate of the wind power and the generating efficiency are improved. The breeze fan blades 320 arranged on the movable support 340 can swing independently, so that the cost of additional parts is reduced, and the failure probability is reduced. When the movable support 340 and the breeze fan blade 320 are turned over, the buffer 350 is used for restraining, the turning speed of the movable support 340 is reduced before the movable support 340 is turned over to the end, the impact on the support frame 310 and the movable support 340 is reduced, the breeze fan blade 320 is prevented from being damaged when being turned over, and the service life of the breeze fan blade is prolonged.
Further, in the wind power generation apparatus of this embodiment, when the wind speed monitor detects that the external wind speed is less than a second set value, the wind speed monitor controls the first motor to operate, and drives the winding drum 330 to reversely move to unwind the breeze blade 320, where the second set value is less than or equal to the first set value, and in this embodiment, the second set value is 16 m/s. According to the wind speed fed back by the wind speed monitor in real time, the breeze fan blade 320 is controlled to automatically unfold at a low wind speed, the breeze can be used for generating electricity in time, and the automation degree of the device is improved.
Further, the first motor can also control the unfolding degree of the breeze fan blade 320 according to the wind speed fed back by the wind speed monitor, so that the wind wheel 200 can always keep stable high output.
Referring to fig. 3, the typhoon driving assembly 400 includes typhoon blades made of rigid material, preferably made of glass fiber reinforced plastics or aluminum alloy. Specifically, the typhoon blade includes a wind receiving blade 410 and an adjusting blade 420, both the wind receiving blade 410 and the adjusting blade 420 are set to be semi-circular groove type, the radius of the adjusting blade 420 is smaller than that of the wind receiving blade 410, and the adjusting blade 420 is movably embedded in the inner side of the wind receiving blade 410. The typhoon driving assembly 400 further comprises a second motor, the second motor is connected with the adjusting blade 420 through a reduction gear box, the second motor is connected with a wind speed monitor, the adjusting blade 420 is controlled to rotate according to the wind speed, and the wind area of the wind receiving blade 410 is adjusted. The wind speed monitor feeds back the wind speed in real time, the second motor drives the adjusting blade 420 to rotate, and the closing angle between the adjusting blade 420 and the wind receiving blade 410 is adjusted according to the wind speed, so that the wheel shaft 220 is stable, and the wind power generation device can generate power stably. When the wind speed is low, the adjusting blades 420 are fully embedded in the wind receiving blades 410, the opening directions of the adjusting blades and the wind receiving blades are consistent, a semicircle is formed, the acting force of wind on the typhoon fan blades is maximum, and the thrust is increased; when the wind speed is increased to be more than 20 m/s, the breeze fan blade 320 is wound, and the typhoon fan blade made of the rigid material can continuously receive wind, so that the wind power generation device can still generate power smoothly under the condition of higher wind speed; when the wind speed monitor detects that the typhoon comes, the adjusting blade 420 rotates to the opposite side of the wind receiving blade 410, and the openings of the adjusting blade and the wind receiving blade are opposite and closed to form a cylinder shape, so that the resistance to the wind is minimum, the effect of resisting super typhoon is achieved, and the power can be safely generated during the typhoon.
Further, the wind power generation device of the present embodiment is provided with the breeze driving assembly 300, and according to the test, when the wind speed is greater than 5 m/s, the wind power generation device can operate at full power to generate power. Therefore, in order to improve the full-power operation time of the wind turbine generator, the wind turbine generator according to this embodiment further includes a wind-collecting fin support and a plurality of wind-collecting fins mounted on the wind-collecting fin support. The wind-collecting fin support may be connected to the tower 100, increasing the solidity of the tower 100. The wind collecting pieces are uniformly arranged on the outer side of the wind wheel 200, a wind channel is formed between the wind collecting pieces, and the opening of the wind channel facing the outer side is larger than the opening of the wind channel facing the wind wheel 200 and used for guiding the wind direction. Wind current around the wind power generation device is guided to the wind wheel 200 through the wind collecting sheet, and when the wind blows to the wind wheel 200 from the outside, the wind needs to pass through a wide wind channel to a narrow wind channel, so that the wind speed is improved. When the external wind speed is lower than 5 m/s, the wind collecting sheets can be opened, and the wind speed is increased to more than 5 m/s through the wind channel formed by the wind collecting sheets, so that the fan blades are pushed to act better, and the full-power working time of the wind power generation device is prolonged. Preferably, the wind-collecting piece is made of a flexible material, for example, sun-proof nylon cloth, a winding drum 330 is arranged at one end of the wind-collecting piece, the winding drum 330 is connected with a third motor, the third motor is connected with a wind speed monitor, and when the wind speed is too high, the winding drum 330 can be driven by the third motor to wind the wind-collecting piece, so that the wind-collecting piece is prevented from being damaged by strong wind. Furthermore, as the area of the wind collecting sheet is larger, the used flexible materials are more, and in order to reduce the manufacturing cost, the wind collecting sheet can be made of common nylon materials and is suitable for high-power wind power generation devices; considering that the wind-collecting blades are mainly active during low wind speeds, it is preferable to set the third motor to start the winding drum 330 to wind the wind-collecting blades when the wind speed is greater than 6.5 m/s, so as to avoid the wind-collecting blades being blown out.
The wind power generation device of the embodiment solves the problem that the conventional wind power generation device cannot simultaneously take account of high wind speed and low wind speed by arranging the windy fan blade 320, so that the wind power generation device can achieve full load output at very low wind speed, the annual average generated energy of the wind power generation device is greatly improved, the wind power generation device can be applied to low wind speed areas, and the wind power generation device is popularized and used in the whole country.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A wind power generation device comprises a generator and a tower, and is characterized in that the tower is provided with:
the wind wheel is rotatably arranged on the tower and comprises a wheel shaft and a plurality of wind rings, one end of the wheel shaft is connected with the generator, and a breeze driving assembly and a typhoon driving assembly are arranged between the wind rings;
the breeze driving assembly comprises a supporting frame extending outwards from the wind wheel, a flexible film-shaped breeze blade for receiving wind power is arranged on the supporting frame, a winding drum is arranged at one end of the breeze blade, and the winding drum is connected with a first motor; the tail end of the supporting frame is hinged with a movable support, the breeze fan blade is arranged on the movable support, a first spring with trigger control is arranged on the supporting frame or the movable support, the movable support and the breeze fan blade are attached to the supporting frame at ordinary times, the movable support is bounced open after the first spring triggers, and the breeze fan blade drives the movable support to be turned open under the action of wind power;
the typhoon driving component is arranged on the wind wheel and comprises typhoon blades made of rigid materials;
the wind speed monitor is arranged on the tower and is connected with the first motor;
when the wind speed monitor detects that the external wind speed is greater than a first set value, the wind speed monitor controls the first motor to work, and the winding drum is driven to act to wind the breeze fan blade.
2. The wind power generation device according to claim 1, wherein when the wind speed monitor detects that the external wind speed is less than a second set value, the wind speed monitor controls the first motor to operate to drive the winding drum to move in a reverse direction to unwind the breeze blade, and the second set value is less than or equal to the first set value.
3. The wind power generation device according to claim 1 or 2, wherein the movable bracket is provided with a rotation limiter so that the movable bracket is perpendicular to the support frame after being turned over.
4. The wind power generation device of claim 1, wherein the typhoon blades comprise a wind receiving blade and an adjusting blade, the wind receiving blade and the adjusting blade are both arranged in a semicircular groove shape, the radius of the adjusting blade is smaller than that of the wind receiving blade, and the adjusting blade is movably embedded in the inner side of the wind receiving blade;
the typhoon driving assembly further comprises a second motor, the wind speed monitor is connected with the second motor, and the second motor is used for driving the adjusting blades to rotate so as to adjust the wind area of the wind receiving blades.
5. The wind power generation device of claim 1, wherein a plurality of the breeze driving assemblies and the typhoon driving assemblies are arranged, and the breeze driving assemblies and the typhoon driving assemblies are uniformly arranged on the wind wheel in a circumference manner and are alternately arranged on the wind wheel.
6. Wind power plant according to claim 1 or 5, characterized in that the rotor is provided in plurality.
7. The wind power generation device of claim 1, further comprising a plurality of wind-collecting blades for guiding the wind direction, wherein the wind-collecting blades are uniformly arranged outside the wind wheel.
8. The wind power plant according to claim 7, wherein the wind-collecting pieces form a wind tunnel therebetween, and the opening of the wind tunnel facing the outside is larger than the opening of the wind tunnel facing the wind rotor.
9. The wind power generation device of claim 7 or 8, wherein the wind collecting sheet is made of a flexible material, a winding drum is arranged at one end of the wind collecting sheet, a third motor is connected to the winding drum, and the third motor is connected to the wind speed monitor.
10. The wind power generation apparatus of claim 9, further comprising a wind-collecting blade support, the wind-collecting blade and the third motor being disposed on the wind-collecting blade support, the wind-collecting blade support being connected to the tower.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557037.4A CN113279903A (en) | 2021-05-21 | 2021-05-21 | Wind power generator |
| PCT/CN2021/099223 WO2022241876A1 (en) | 2021-05-21 | 2021-06-09 | Wind-driven generator apparatus |
| CN202180005648.6A CN115698499A (en) | 2021-05-21 | 2021-06-09 | Wind power generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110557037.4A CN113279903A (en) | 2021-05-21 | 2021-05-21 | Wind power generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113279903A true CN113279903A (en) | 2021-08-20 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110557037.4A Withdrawn CN113279903A (en) | 2021-05-21 | 2021-05-21 | Wind power generator |
| CN202180005648.6A Pending CN115698499A (en) | 2021-05-21 | 2021-06-09 | Wind power generator |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202180005648.6A Pending CN115698499A (en) | 2021-05-21 | 2021-06-09 | Wind power generator |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN113279903A (en) |
| WO (1) | WO2022241876A1 (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2684331C (en) * | 2007-04-16 | 2014-07-29 | Ying Wang | A wind turbine engine and power system |
| CN101737270B (en) * | 2010-02-05 | 2011-09-07 | 济南高新开发区中泰环保技术开发中心 | Extra-large-size vertical-shaft wind power generation device |
| CN202176454U (en) * | 2011-08-19 | 2012-03-28 | 李荣江 | Vertical shaft wind power rotating generating system |
| CN102926926B (en) * | 2012-11-15 | 2015-12-09 | 重庆理工大学 | The offset distance formula vertical axis windmill of blade rotary limited |
| CN206206072U (en) * | 2016-11-16 | 2017-05-31 | 马立志 | A kind of vertical wind turbine and wind-driven generator |
| CN210239907U (en) * | 2019-08-29 | 2020-04-03 | 胡启富 | Breeze power generation equipment |
-
2021
- 2021-05-21 CN CN202110557037.4A patent/CN113279903A/en not_active Withdrawn
- 2021-06-09 WO PCT/CN2021/099223 patent/WO2022241876A1/en unknown
- 2021-06-09 CN CN202180005648.6A patent/CN115698499A/en active Pending
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| WO2022241876A1 (en) | 2022-11-24 |
| CN115698499A (en) | 2023-02-03 |
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Application publication date: 20210820 |