CN113153619A - Wind driven generator with higher protection performance - Google Patents

Wind driven generator with higher protection performance Download PDF

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Publication number
CN113153619A
CN113153619A CN202110425312.7A CN202110425312A CN113153619A CN 113153619 A CN113153619 A CN 113153619A CN 202110425312 A CN202110425312 A CN 202110425312A CN 113153619 A CN113153619 A CN 113153619A
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CN
China
Prior art keywords
fixedly connected
sliding
blade
wind
impeller
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Pending
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CN202110425312.7A
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Chinese (zh)
Inventor
李丹丹
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Individual
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Individual
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Priority to CN202110425312.7A priority Critical patent/CN113153619A/en
Publication of CN113153619A publication Critical patent/CN113153619A/en
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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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • 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 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/0236—Adjusting aerodynamic properties of the blades by changing the active surface of the wind engaging parts, e.g. reefing or furling
    • 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 
    • F03D7/02—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/022—Adjusting aerodynamic properties of the blades
    • F03D7/024—Adjusting aerodynamic properties of the blades of individual blades
    • 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
    • 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
    • F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20—Wind motors characterised by the driven apparatus
    • F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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  • 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)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention belongs to the technical field of new energy, and particularly relates to a wind driven generator with high protection performance, which comprises a base; the upper side of the base is fixedly connected with a mounting column; the upper end of the mounting column is fixedly connected with a power generation cabin, and a controller is arranged in the power generation cabin; the end part of the power generation cabin is rotatably connected with a hub; blade roots are uniformly distributed on the outer circumference of the hub; a motor is fixedly connected in one end of the blade root, which is far away from the hub; a rotating shaft is fixedly connected to an output shaft of the motor and is rotationally connected with the blade root; one end of the rotating shaft extending out of the blade root is fixedly connected with a blade tip which is of a flat structure; in the invention, when strong wind exists, the controller controls the motor to start, drives the blade tip to rotate by 90 degrees, and enables the narrower surface of the blade tip to be parallel to the wind speed, thereby reducing the contact area between the blade tip and the strong wind, reducing the air resistance, preventing the blade from being broken, improving the safety of the wind driven generator, avoiding the scrapped loss of equipment and prolonging the service life of the generator.

Description

Wind driven generator with higher protection performance
Technical Field
The invention belongs to the technical field of new energy, and particularly relates to a wind driven generator with high protection performance.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator (including a device), a direction regulator (empennage), a tower, a speed-limiting safety mechanism, an energy storage device and other components. The wind driven generator has simple working principle, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the drive of the wind wheel shaft to generate electricity.
Some technical solutions related to wind power generators also appear in the prior art, for example, a chinese patent with application number 2018101909128 discloses a wind power generator, which includes a tower; one end of the tower penetrates through the base and is buried underground, and a groove is formed in the top end of the tower; the tower supports the revolving body through the groove, and the revolving body is arranged at the top of the tower; the base is arranged at the bottom of the tower and is positioned above the ground; the transmission gear set is arranged in the base, an output gear of the transmission gear set is connected to one end of the transmission rod, the other end of the transmission rod is connected to the revolving body, and the transmission rod can drive the revolving body to rotate relative to the tower frame in a rotating mode; wherein, the tower frame and the transmission rod are provided with through holes; the positioning rod is made of metal materials and can penetrate through the transmission rod and the through hole in the tower frame to position the transmission rod. The orientation of the revolving body of the wind driven generator can be adjusted, and the wind energy utilization rate is improved.
In the above technology, the blades of the wind power generator are often designed to be long and narrow structures, the weight of the blades is large, and the blades may be broken due to heavy load when strong wind is encountered, so that serious economic loss is caused.
Therefore, the wind driven generator with high protection performance is provided.
Disclosure of Invention
In order to make up for the defects of the prior art and solve the problems that the blades of the wind driven generator are often designed to be long and narrow structures, the blades are heavy, the blades can be broken due to heavy load when strong wind is met, and serious economic loss is caused, and the wind driven generator on the market at present generally does not relate to the protection measures of the blades, the invention provides the wind driven generator with high protection performance.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a wind driven generator with high protection performance, which comprises a base; the upper side of the base is fixedly connected with a mounting column; the upper end of the mounting column is fixedly connected with a power generation cabin, and a controller is arranged in the power generation cabin; the end part of the power generation cabin is rotatably connected with a hub; blade roots are uniformly distributed on the outer circumference of the hub; a motor is fixedly connected in one end of the blade root, which is far away from the hub; a rotating shaft is fixedly connected to an output shaft of the motor and is rotationally connected with the blade root; one end of the rotating shaft extending out of the blade root is fixedly connected with a blade tip which is of a flat structure; during operation, blades of a wind driven generator in the prior art are often designed to be long and narrow structures, the blades are heavy, and the blades can be broken due to heavy load when strong wind is encountered, so that serious economic loss is caused, and the wind driven generator in the market generally does not relate to protection measures of the blades; at the moment, when strong wind exists, the controller controls the motor to start, drives the blade tip to rotate by 90 degrees, enables the narrower surface of the blade tip to be parallel to the wind speed, reduces the contact area between the blade tip and the strong wind, reduces the air resistance, prevents the blade from being broken, improves the safety of the wind driven generator, avoids the scrapped loss of equipment, and prolongs the service life of the generator.
Preferably, a group of ventilation grooves are symmetrically formed in the two side faces of the blade tip; during operation, when meeting strong wind, the controller controls the motor to start, drives the blade tip to rotate by 90 degrees, makes the narrower one side of the blade tip parallel to the wind speed, and the ventilation groove arranged simultaneously can further reduce the contact area between the blade tip and the strong wind and reduce the air resistance.
Preferably, a first sliding groove is formed in the side wall of the ventilation groove; a first sliding block is connected in the first sliding groove in a sliding manner; a spring is fixedly connected between the first sliding block and the bottom end of the first sliding groove; a second sliding groove is formed in one side, close to the ventilation groove, of the first sliding block; a second sliding block is connected in the second sliding groove in a sliding manner; an impeller is rotatably connected in the ventilation groove, and blades are arranged on the outer side of the impeller; the end part of the impeller is hinged with a guide rod, and one end of the guide rod, which is far away from the impeller, is fixedly connected with the second sliding block; during operation, promote the impeller when wind passes through the ventilation groove and rotate, and then the guide bar promotes a slider and slides to the direction of spring to this adjusts the width in ventilation groove, and wind-force is big more, and the rotatory angle of promotion impeller is big more, and the guide bar promotes the distance that a slider removed long more, and the width in ventilation groove is big more, thereby the wind of coping not equidimension.
Preferably, the guide rod includes a coupling block; one end of the combining block, which is far away from the impeller, is fixedly connected with a tobacco pouch; the smoke bag is fixedly connected with a spray head; a transfer rod is fixedly connected to one side of the cigarette bag away from the combination block; during operation, when wind passes through the ventilation groove, the impeller is pushed to rotate, the guide rod is extruded, the smoke bag in the middle of the combination block and the transfer rod is extruded, signal smoke in the smoke bag is extruded through the spray head, power station workers are reminded that the wind power is stronger at the moment, relevant measures are taken, people around are evacuated, and a warning effect is achieved.
Preferably, one end of the spray head, which is far away from the smoke bag, is fixedly connected with a rubber tube, and the rubber tube is communicated with the spray head; the rubber tube is uniformly provided with spray holes; during operation, the smoke bag in the middle of the block and the transfer rod are combined to extrude, signal smoke in the smoke bag enters the rubber tube through the spray head and is extruded out of the spray hole, meanwhile, the rubber tube swings with wind, the signal smoke spraying range is enlarged, the diffusion speed of the signal smoke is improved, power station workers are reminded to take relevant measures, and the warning effect is further played.
Preferably, the transfer lever comprises two bearing rods, one ends of the two bearing rods are fixedly connected with the smoke bag, and the other ends of the two bearing rods are hinged together; elastic strips are fixedly connected between the bearing rods; during operation, promote the impeller when wind process ventilation groove and rotate, and then the guide bar promotes the slider and slides to the direction of spring, and the strong wind blows the side of accepting the pole simultaneously for two are drawn close each other, thereby transfer gear extension further promotes the slider and slides, further increases ventilation groove's width, reduces the area of contact between apex and the strong wind, reduces air resistance.
Preferably, one side of the bearing rod, which is far away from the elastic strip, is provided with a wind bearing groove; the during operation can increase the frictional resistance between adapting rod and the wind through setting up the groove that bears the wind, improves the atress of adapting rod for two adapting rods draw close more each other, thereby the branch pole further extends, promotes a slider further and slides, increases the width in ventilation groove, reduces the area of contact between apex and the strong wind, reduces air resistance.
Preferably, the blade is made of elastic material.
Preferably, a sliding hole is formed in the blade, one end of the sliding hole close to the impeller is wider, and the other end of the sliding hole is narrower; the sliding hole is connected with a gravity bead in a sliding manner, and the diameter of the gravity bead is the same as that of the wider end of the sliding hole; during operation, promote the impeller to rotate when wind passes through the ventilation groove, the gravity pearl slides to the direction at blade tip under the effect of centrifugal force to prop the blade greatly and prop thick, increase the area of contact between blade and the wind, the blade atress is bigger, so impeller pivoted angle is bigger, and the pilot bar further promotes a slider and removes, increases the width in ventilation groove.
Preferably, a third sliding groove is formed in the side surface of the impeller, close to the blades; a third sliding block is connected in the third sliding groove in a sliding manner and is fixedly connected with the blade; an air bag is fixedly connected to the side wall of the third sliding chute; a flow guide hole is formed in the third sliding block and is communicated with the sliding hole; during operation, when the wind blows the movable vane, the vane drives No. three sliders to slide in No. three chutes, and then No. three sliders extrude the gasbag, and gas in the gasbag passes through the guiding hole and gets into the slide opening, promotes the gravity pearl and slides to the direction at blade tip to prop the blade greatly and prop thick, increase the area of contact between blade and the wind, prevent the centrifugal force undersize that the gravity pearl received, the unable gliding condition appears.
The invention has the following beneficial effects:
1. according to the wind driven generator with high protection, when strong wind exists, the controller controls the motor to start, the blade tip is driven to rotate by 90 degrees, the narrow surface of the blade tip is parallel to the wind speed, the contact area between the narrow surface and the strong wind is reduced, air resistance is reduced, the blade is prevented from being broken, the safety of the wind driven generator is improved, the equipment scrapping loss is avoided, and the service life of the generator is prolonged.
2. According to the wind driven generator with high protection, when strong wind exists, the controller controls the motor to start, the blade tip is driven to rotate by 90 degrees, the narrow surface of the blade tip is parallel to the wind speed, and meanwhile the ventilation groove is formed, so that the contact area between the blade tip and the strong wind can be further reduced, and the air resistance is reduced.
3. According to the wind driven generator with high protection, when wind passes through the ventilation groove, the impeller is pushed to rotate, the guide rod pushes the first sliding block to slide towards the direction of the spring, so that the width of the ventilation groove is adjusted, the larger the wind force is, the larger the rotation angle of the impeller is pushed to be, the longer the distance for the guide rod to push the first sliding block to move is, and the larger the width of the ventilation groove is, so that the wind driven generator can deal with different sizes of wind.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the tip of the present invention prior to rotation;
FIG. 3 is a schematic view of the present invention after the blade tip has been rotated;
FIG. 4 is an enlarged view of a portion of FIG. 2 at A;
FIG. 5 is a partial enlarged view at B in FIG. 4;
FIG. 6 is a schematic view of the construction of the leading lever according to the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at C;
FIG. 8 is a cross-sectional view of an impeller according to the present invention;
in the figure: 1. a base; 2. mounting a column; 3. a power generation compartment; 4. a hub; 5. a blade root; 6. a motor; 7. a rotating shaft; 8. a blade tip; 9. a ventilation slot; 10. a first chute; 11. a first sliding block; 12. a spring; 13. a second chute; 14. a second sliding block; 15. an impeller; 16. a blade; 17. a guide rod; 171. a combining block; 172. a tobacco pouch; 173. a spray head; 174. a tap lever; 175. a rubber tube; 176. spraying a hole; 17a, a carrying rod; 17b, an elastic strip; 17c, a wind bearing groove; 18. a slide hole; 19. a gravity bead; 20. a third sliding chute; 21. a third sliding block; 22. an air bag.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 8, the wind power generator with high protection performance according to the present invention includes a base 1; the upper side of the base 1 is fixedly connected with a mounting column 2; the upper end of the mounting column 2 is fixedly connected with a power generation cabin 3, and a controller is arranged in the power generation cabin 3; the end part of the power generation cabin 3 is rotatably connected with a hub 4; blade roots 5 are uniformly distributed on the outer circumference of the hub 4; a motor 6 is fixedly connected in one end of the blade root 5 far away from the hub 4; a rotating shaft 7 is fixedly connected to an output shaft of the motor 6, and the rotating shaft 7 is rotatably connected with the blade root 5; one end of the rotating shaft 7 extending out of the blade root 5 is fixedly connected with a blade tip 8, and the blade tip 8 is of a flat structure; during operation, blades of a wind driven generator in the prior art are often designed to be long and narrow structures, the blades are heavy, and the blades can be broken due to heavy load when strong wind is encountered, so that serious economic loss is caused, and the wind driven generator in the market generally does not relate to protection measures of the blades; at the moment, in the invention, when strong wind exists, the controller controls the motor 6 to be started to drive the blade tip 8 to rotate by 90 degrees, so that the narrower surface of the blade tip is parallel to the wind speed, the contact area between the blade tip and the strong wind is reduced, the air resistance is reduced, and the blade is prevented from being broken, thereby improving the safety of the wind driven generator, avoiding the loss of scrapped equipment and prolonging the service life of the generator.
As an embodiment of the present invention, a set of ventilation slots 9 is symmetrically formed on both side surfaces of the blade tip 8; during operation, when meeting strong wind, controller control motor 6 starts, drives 8 rotations 90 of apex, makes its narrower one side parallel with the wind speed, and the ventilation groove 9 of seting up simultaneously can further reduce the area of contact between 8 and the strong wind of apex, reduces air resistance.
As an embodiment of the present invention, a first sliding groove 10 is formed on a side wall of the ventilation groove 9; a first sliding block 11 is connected in the first sliding groove 10 in a sliding manner; a spring 12 is fixedly connected between the first sliding block 11 and the bottom end of the first sliding groove 10; a second sliding groove 13 is formed in one side, close to the ventilation groove 9, of the first sliding block 11; a second sliding block 14 is connected in the second sliding groove 13 in a sliding manner; an impeller 15 is rotatably connected in the ventilation groove 9, and blades 16 are arranged on the outer side of the impeller 15; the end part of the impeller 15 is hinged with a guide rod 17, and one end of the guide rod 17, which is far away from the impeller 15, is fixedly connected with the second sliding block 14; during operation, when wind passes through the ventilation groove 9, the impeller 15 is pushed to rotate, the guide rod 17 pushes the first sliding block 11 to slide towards the spring 12, so that the width of the ventilation groove 9 is adjusted, the larger the wind force is, the larger the rotation angle of the impeller 15 is, the longer the distance for the guide rod 17 to push the first sliding block 11 to move is, and the larger the width of the ventilation groove 9 is, so that the wind with different sizes is responded.
As an embodiment of the present invention, the guide lever 17 includes a coupling block 171; a smoke bag 172 is fixedly connected to one end of the combining block 171, which is far away from the impeller 15; a spray head 173 is fixedly connected to the smoke bag 172; a shifting rod 174 is fixedly connected to one side of the cigarette bag 172 away from the combining block 171; during operation, when wind passes through the ventilation groove 9, the impeller 15 is pushed to rotate, the guide rod 17 is extruded, the combination block 171 and the transfer rod 174 extrude the smoke bag 172 in the middle, signal smoke in the smoke bag 172 is extruded through the spray head 173, the power station worker is reminded of strong wind power at the moment, relevant measures are taken, people around the power station worker are evacuated, and the warning effect is achieved.
As an embodiment of the present invention, a rubber tube 175 is fixedly connected to one end of the spray head 173 away from the smoke bag 172, and the rubber tube 175 is communicated with the spray head 173; the rubber tube 175 is uniformly provided with spray holes 176; during operation, the combination block 171 and the transfer rod 174 extrude the smoke bag 172 in the middle, signal smoke in the smoke bag 172 enters the rubber tube 175 through the spray head 173 and is further extruded from the spray holes 176, and meanwhile, the rubber tube 175 swings with wind, so that the signal smoke spraying range is enlarged, the diffusion speed of the signal smoke is improved, power station workers are reminded of taking relevant measures, and the warning effect is further achieved.
In one embodiment of the present invention, the transfer rod 174 includes two adapting rods 17a, and one end of each adapting rod 17a is fixedly connected to the smoke bag 172, and the other end is hinged together; elastic strips 17b are fixedly connected between the bearing rods 17 a; during operation, when wind passes through the ventilation groove 9, the impeller 15 is pushed to rotate, the guide rod 17 pushes the first sliding block 11 to slide towards the spring 12, meanwhile, strong wind blows the side face of the bearing rod 17a, so that the two bearing rods 17a are close to each other, the dividing rod 174 extends, the first sliding block 11 is further pushed to slide, the width of the ventilation groove 9 is further increased, the contact area between the blade tip 8 and the strong wind is reduced, and air resistance is reduced.
As an embodiment of the present invention, a wind bearing groove 17c is formed on one side of the bearing rod 17a away from the elastic strip 17 b; during operation, the friction resistance between the bearing rods 17a and the wind can be increased by arranging the wind bearing grooves 17c, the stress of the bearing rods 17a is improved, the two bearing rods 17a are close to each other, the dividing rod 174 is further extended, the first sliding block 11 is pushed to further slide, the width of the ventilation groove 9 is increased, the contact area between the blade tips 8 and the strong wind is reduced, and the air resistance is reduced.
In one embodiment of the present invention, the blade 16 is made of an elastic material.
As an embodiment of the present invention, a sliding hole 18 is opened in the blade 16, and one end of the sliding hole 18 close to the impeller 15 is wider, and the other end is narrower; the sliding hole 18 is connected with a gravity bead 19 in a sliding manner, and the diameter of the gravity bead 19 is the same as that of the wider end of the sliding hole 18; during operation, when wind passes through the ventilation slot 9, the impeller 15 is pushed to rotate, the gravity bead 19 slides towards the tip of the blade 16 under the action of centrifugal force, so that the blade 16 is expanded and thickened, the contact area between the blade 16 and the wind is increased, the stress of the blade 16 is larger, the rotating angle of the impeller 15 is larger, the guide rod 17 further pushes the first sliding block 11 to move, and the width of the ventilation slot 9 is increased.
As an embodiment of the present invention, a third chute 20 is disposed on a side surface of the impeller 15 near the blades 16; a third sliding block 21 is connected in the third sliding groove 20 in a sliding manner, and the third sliding block 21 is fixedly connected with the blade 16; an air bag 22 is fixedly connected to the side wall of the third sliding chute 20; a flow guide hole is formed in the third sliding block 21 and is communicated with the sliding hole 18; when the wind power generation device works, when wind blows the moving blades 16, the blades 16 drive the third sliding block 21 to slide in the third sliding groove 20, the third sliding block 21 extrudes the air bag 22, air in the air bag 22 enters the sliding hole 18 through the guide hole, and the gravity beads 19 are pushed to slide towards the tip end of the blades 16, so that the blades 16 are expanded and thickened, the contact area between the blades 16 and wind is increased, and the situation that the gravity beads 19 cannot slide due to too small centrifugal force is prevented.
When the wind driven generator works, when strong wind exists, the controller controls the motor 6 to be started to drive the blade tip 8 to rotate by 90 degrees, so that the narrower surface of the blade tip is parallel to the wind speed, the contact area between the blade tip and the strong wind is reduced, the air resistance is reduced, and the blade is prevented from being broken, so that the safety of the wind driven generator is improved, the scrapped loss of equipment is avoided, and the service life of the generator is prolonged; when strong wind exists, the controller controls the motor 6 to be started to drive the blade tip 8 to rotate by 90 degrees, so that the narrower surface of the blade tip is parallel to the wind speed, and meanwhile, the ventilation groove 9 can further reduce the contact area between the blade tip 8 and the strong wind and reduce the air resistance; when wind passes through the ventilation groove 9, the impeller 15 is pushed to rotate, and then the guide rod 17 pushes the first sliding block 11 to slide towards the direction of the spring 12, so that the width of the ventilation groove 9 is adjusted, and the larger the wind force is, the larger the rotation angle of the impeller 15 is, the longer the distance for the guide rod 17 to push the first sliding block 11 to move is, and the larger the width of the ventilation groove 9 is, so that the wind with different sizes can be dealt with; when wind passes through the ventilation groove 9, the impeller 15 is pushed to rotate, the guide rod 17 is extruded, the combination block 171 and the transfer rod 174 extrude the smoke bag 172 in the middle, signal smoke in the smoke bag 172 is extruded through the spray nozzle 173, power station workers are reminded of taking stronger wind power at the moment, relevant measures are taken, people around are evacuated, and a warning effect is achieved; the combining block 171 and the transfer rod 174 extrude the smoke bag 172 in the middle, signal smoke in the smoke bag 172 enters the rubber tube 175 through the spray head 173 and is further extruded from the spray hole 176, meanwhile, the rubber tube 175 swings with wind, the spraying range of the signal smoke is enlarged, the diffusion speed of the signal smoke is improved, power station workers are reminded of taking relevant measures, and the warning effect is further achieved; when wind passes through the ventilation groove 9, the impeller 15 is pushed to rotate, the guide rod 17 pushes the first sliding block 11 to slide towards the direction of the spring 12, and strong wind blows the side surfaces of the bearing rods 17a, so that the two bearing rods 17a are close to each other, the dividing rod 174 extends, the first sliding block 11 is further pushed to slide, the width of the ventilation groove 9 is further increased, the contact area between the blade tip 8 and the strong wind is reduced, and the air resistance is reduced; the friction resistance between the bearing rods 17a and the wind can be increased by arranging the wind bearing grooves 17c, the stress of the bearing rods 17a is improved, the two bearing rods 17a are close to each other, the transfer rod 174 is further extended, the first sliding block 11 is pushed to further slide, the width of the ventilation groove 9 is increased, the contact area between the blade tips 8 and the strong wind is reduced, and the air resistance is reduced; when wind passes through the ventilation groove 9, the impeller 15 is pushed to rotate, the gravity beads 19 slide towards the tip of the blade 16 under the action of centrifugal force, so that the blade 16 is enlarged and thickened, the contact area between the blade 16 and the wind is increased, the blade 16 is stressed more greatly, the rotation angle of the impeller 15 is larger, the guide rod 17 further pushes the first sliding block 11 to move, and the width of the ventilation groove 9 is increased; when wind blows the moving blade 16, the blade 16 drives the third sliding block 21 to slide in the third sliding groove 20, the third sliding block 21 extrudes the air bag 22, air in the air bag 22 enters the sliding hole 18 through the guide hole, and the gravity bead 19 is pushed to slide towards the tip of the blade 16, so that the blade 16 is expanded and thickened, the contact area between the blade 16 and the wind is increased, and the situation that the gravity bead 19 cannot slide due to too small centrifugal force is prevented.
The front, the back, the left, the right, the upper and the lower are all based on figure 1 in the attached drawings of the specification, according to the standard of the observation angle of a person, the side of the device facing an observer is defined as the front, the left side of the observer is defined as the left, and the like.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a higher aerogenerator of protectiveness which characterized in that: comprises a base (1); the upper side of the base (1) is fixedly connected with a mounting column (2); the upper end of the mounting column (2) is fixedly connected with a power generation cabin (3), and a controller is arranged in the power generation cabin (3); the end part of the power generation cabin (3) is rotatably connected with a hub (4); blade roots (5) are uniformly distributed on the outer circumference of the hub (4); a motor (6) is fixedly connected in one end of the blade root (5) far away from the hub (4); a rotating shaft (7) is fixedly connected to an output shaft of the motor (6), and the rotating shaft (7) is rotatably connected with the blade root (5); and one end of the rotating shaft (7) extending out of the blade root (5) is fixedly connected with a blade tip (8), and the blade tip (8) is of a flat structure.
2. A wind turbine generator with increased protection according to claim 1, wherein: and a group of ventilation grooves (9) are symmetrically formed in the two side faces of the blade tip (8).
3. A wind turbine generator with increased protection according to claim 2, wherein: a first sliding groove (10) is formed in the side wall of the ventilation groove (9); a first sliding block (11) is connected in the first sliding groove (10) in a sliding manner; a spring (12) is fixedly connected between the first sliding block (11) and the bottom end of the first sliding groove (10); a second sliding groove (13) is formed in one side, close to the ventilation groove (9), of the first sliding block (11); a second sliding block (14) is connected in the second sliding groove (13) in a sliding manner; an impeller (15) is rotatably connected in the ventilation groove (9), and blades (16) are arranged on the outer side of the impeller (15); the end part of the impeller (15) is hinged with a guide rod (17), and one end, far away from the impeller (15), of the guide rod (17) is fixedly connected with the second sliding block (14).
4. A wind turbine generator of higher protection according to claim 3, wherein: the guide rod (17) comprises a combination block (171); a smoke bag (172) is fixedly connected to one end, far away from the impeller (15), of the combination block (171); a spray head (173) is fixedly connected to the smoke bag (172); a transfer rod (174) is fixedly connected to one side of the cigarette bag (172) far away from the combination block (171).
5. The wind turbine according to claim 4, wherein: one end of the spray head (173), which is far away from the smoke bag (172), is fixedly connected with a rubber tube (175), and the rubber tube (175) is communicated with the spray head (173); the rubber tube (175) is uniformly provided with spray holes (176).
6. The wind turbine according to claim 4, wherein: the transfer rod (174) comprises two bearing rods (17a), one end of each of the two bearing rods (17a) is fixedly connected with the cigarette bag (172), and the other end of each of the two bearing rods is hinged together; elastic strips (17b) are fixedly connected between the bearing rods (17 a).
7. The wind turbine according to claim 6, wherein: and one side of the bearing rod (17a) far away from the elastic strip (17b) is provided with a wind bearing groove (17 c).
8. A wind turbine generator of higher protection according to claim 3, wherein: the blades (16) are made of elastic materials.
9. A wind turbine generator of higher protection according to claim 8, wherein: a sliding hole (18) is formed in the blade (16), one end, close to the impeller (15), of the sliding hole (18) is wider, and the other end of the sliding hole (18) is narrower; the sliding hole (18) is connected with a gravity bead (19) in a sliding mode, and the diameter of the gravity bead (19) is the same as that of the wider end of the sliding hole (18).
10. A wind turbine generator of higher protection according to claim 9, wherein: a third sliding groove (20) is formed in the side surface of the impeller (15) close to the blades (16); a third sliding block (21) is connected in the third sliding groove (20) in a sliding manner, and the third sliding block (21) is fixedly connected with the blade (16); an air bag (22) is fixedly connected to the side wall of the third sliding chute (20); a flow guide hole is formed in the third sliding block (21), and the flow guide hole is communicated with the sliding hole (18).
CN202110425312.7A 2021-04-20 2021-04-20 Wind driven generator with higher protection performance Pending CN113153619A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110425312.7A CN113153619A (en) 2021-04-20 2021-04-20 Wind driven generator with higher protection performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110425312.7A CN113153619A (en) 2021-04-20 2021-04-20 Wind driven generator with higher protection performance

Publications (1)

Publication Number Publication Date
CN113153619A true CN113153619A (en) 2021-07-23

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Family Applications (1)

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Country Status (1)

Country Link
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130249217A1 (en) * 2012-03-26 2013-09-26 Robert D. Yost Modular Micro Wind Turbine
CN107905941A (en) * 2017-11-13 2018-04-13 扬州大学 A kind of improved level axis wind energy conversion system and its application method
CN207278424U (en) * 2017-10-20 2018-04-27 东营同博石油电子仪器有限公司 A kind of Novel wind turbine
CN108915946A (en) * 2018-09-19 2018-11-30 苏州若谷新能源科技有限公司 A kind of flow-disturbing chip architecture for wind-power electricity generation
CN211525008U (en) * 2019-09-27 2020-09-18 湖南天风科技有限公司 Wind power generation blade with deicing capability
KR102232726B1 (en) * 2020-02-10 2021-03-29 주식회사 호풍 Wind power generator with improved power generation efficiency

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20130249217A1 (en) * 2012-03-26 2013-09-26 Robert D. Yost Modular Micro Wind Turbine
CN207278424U (en) * 2017-10-20 2018-04-27 东营同博石油电子仪器有限公司 A kind of Novel wind turbine
CN107905941A (en) * 2017-11-13 2018-04-13 扬州大学 A kind of improved level axis wind energy conversion system and its application method
CN108915946A (en) * 2018-09-19 2018-11-30 苏州若谷新能源科技有限公司 A kind of flow-disturbing chip architecture for wind-power electricity generation
CN211525008U (en) * 2019-09-27 2020-09-18 湖南天风科技有限公司 Wind power generation blade with deicing capability
KR102232726B1 (en) * 2020-02-10 2021-03-29 주식회사 호풍 Wind power generator with improved power generation efficiency

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Application publication date: 20210723