CN111207037A - Wind power generation device with protection function - Google Patents

Wind power generation device with protection function Download PDF

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Publication number
CN111207037A
CN111207037A CN202010142134.2A CN202010142134A CN111207037A CN 111207037 A CN111207037 A CN 111207037A CN 202010142134 A CN202010142134 A CN 202010142134A CN 111207037 A CN111207037 A CN 111207037A
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CN
China
Prior art keywords
hub
wind power
heat dissipation
power generation
generator
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010142134.2A
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Chinese (zh)
Inventor
汤在英
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Nanjing Zhenxuan New Energy Technology Co Ltd
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Nanjing Zhenxuan New Energy Technology Co Ltd
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Application filed by Nanjing Zhenxuan New Energy Technology Co Ltd filed Critical Nanjing Zhenxuan New Energy Technology Co Ltd
Priority to CN202010142134.2A priority Critical patent/CN111207037A/en
Publication of CN111207037A publication Critical patent/CN111207037A/en
Withdrawn legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0244Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D15/00Transmission of mechanical power
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/0276Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D7/00Controlling wind motors 
    • F03D7/02Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor
    • F03D7/04Automatic control; Regulation
    • F03D7/042Automatic control; Regulation by means of an electrical or electronic controller
    • F03D7/047Automatic control; Regulation by means of an electrical or electronic controller characterised by the controller architecture, e.g. multiple processors or data communications
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D80/00Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/60Cooling or heating of wind motors
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03DWIND MOTORS
    • F03D9/00Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
    • F03D9/20Wind motors characterised by the driven apparatus
    • F03D9/25Wind motors characterised by the driven apparatus the apparatus being an electrical generator
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind 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)
  • Thermal Sciences (AREA)
  • Power Engineering (AREA)
  • Wind Motors (AREA)

Abstract

The invention relates to a wind power generation device with a protection function, which comprises a base, a tower frame, a cabin, a hub and a plurality of blades, wherein the power generation device comprises a gear speed increasing box, a first generator, a speed reducing mechanism and a plurality of heat dissipation mechanisms, the speed reducing mechanism comprises a circular ring, a supporting component, a plurality of convex plates, a plurality of convex teeth and a plurality of air cylinders, each heat dissipation mechanism comprises a heat dissipation pipe, a cover plate, a filter screen, a driving component, a telescopic component, a second generator and a gear, each telescopic component comprises a bracket, a sliding plate, a movable plate, a spring and a limiting unit, the wind power generation device with the protection function operates by matching of the speed reducing mechanism and the heat dissipation mechanisms, can reduce the rotating speed of the hub when wind power is stronger, does work on the second generator through the rotation of the gear, additionally generates power, and simultaneously, the cover plate leaves the heat dissipation pipes to, thereby improving the practicability of the equipment.

Description

Wind power generation device with protection function
Technical Field
The invention relates to the field of new energy equipment, in particular to a wind power generation device with a protection function.
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. In a broad sense, wind energy is also solar energy, so that the wind power generator is a heat energy utilization generator which uses solar energy as a heat source and uses the atmosphere as a working medium.
The rotating speed of the rotating shaft is influenced by external wind power during the operation of the existing wind power generation device, so when the external wind power is too large, the rotating speed of the fan blades and the rotating shaft is weakened by the brake disc in the engine room, but in the process of weakening the rotating speed, as the brake disc brakes through friction, excessive heat is generated in the engine room, the operation of other facilities in the engine room is influenced, meanwhile, the generated energy of the wind driven generator is reduced, and further the practicability of the existing wind power generation device is reduced.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the wind power generation device with the protection function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a wind power generation device with a protection function comprises a base, a tower, a cabin, a hub and a plurality of blades, wherein the cabin is arranged above the base through the tower, one end of the hub is arranged in the cabin, the blades are uniformly distributed at the other end of the hub in the circumferential direction, and a PLC and a power generation device are arranged in the cabin;
the power generation device comprises a gear speed increasing box, a first generator, a speed reducing mechanism and a plurality of heat dissipation mechanisms, wherein the gear speed increasing box and the first generator are fixed in a cabin, a hub is connected with the input end of the gear speed increasing box, the output end of the gear speed increasing box is connected with the first generator, the speed reducing mechanism is positioned on one side of the gear speed increasing box, which is close to a fan blade, and the heat dissipation mechanisms are uniformly distributed on the periphery of the cabin in the circumferential direction;
the speed reducing mechanism comprises a circular ring, a supporting assembly, a plurality of convex plates, a plurality of convex teeth and a plurality of cylinders, wherein the hub is positioned on the inner side of the circular ring, the cylinders are circumferentially and uniformly distributed on one side, away from the gear speed increasing box, of the circular ring, the cylinders are electrically connected with the PLC, the cylinders are connected with the inner wall of the cabin through the supporting assembly, the cylinders are arranged towards the hub, the convex plates are circumferentially and uniformly distributed on the periphery of the hub, the cylinder body of each cylinder is fixed on the circular ring, and the convex teeth are circumferentially and uniformly distributed on the periphery of the circular ring;
the heat dissipation mechanism comprises a heat dissipation pipe, a cover plate, a filter screen, a driving assembly, a telescopic assembly, a second generator and a gear, wherein convex teeth are matched with the gear, the heat dissipation pipe is fixed on the cabin, the periphery of the heat dissipation pipe is hermetically connected with the inner wall of the filter screen, the cover plate is fixed at one end, far away from the cabin, of the filter screen, the driving assembly is arranged in the heat dissipation pipe, the cover plate and the telescopic assembly are respectively positioned at two sides of the driving assembly, the telescopic assembly is connected with the second generator, the gear is connected with the second generator, the telescopic assembly comprises a support, a sliding plate, a movable plate, a spring and a limiting unit, the support is fixed in the cabin, the movable plate and the sliding plate are both sleeved on the support, two ends of the spring are respectively connected with the movable plate and the sliding plate, the second generator is fixedly connected with the sliding plate, and the driving assembly is in transmission connection with the moving plate.
As preferred, in order to facilitate supporting cylinder and ring rotation, the supporting component includes ring channel and a plurality of slider, the ring channel is fixed in the cabin, the quantity of slider equals with the quantity of cylinder, slider and cylinder one-to-one, the slider is fixed on the cylinder body of cylinder, slider and ring channel sliding connection.
Preferably, in order to realize the stable rotation of the ring and the cylinder, the annular groove is a dovetail groove.
Preferably, in order to detect the rotation speed of the hub, a rotation speed sensor is arranged on the hub and is electrically connected with the PLC.
Preferably, in order to limit the movement of the moving plate and the sliding plate, the limiting unit comprises a limiting block and a limiting rod, the limiting block is fixedly connected with the moving plate through the limiting rod, and the sliding plate is sleeved on the limiting rod.
Preferably, in order to drive the moving plate and the cover plate to move, the driving assembly comprises a first motor, a driving rod, a connecting block and two driven rods, the first motor is fixed in the heat dissipation pipe and electrically connected with the PLC, the first motor is in transmission connection with the center of the driving rod, two ends of the driving rod are respectively hinged to the connecting block and the moving plate through the two driven rods, and the connecting block is fixedly connected with the cover plate.
Preferably, in order to secure the driving force of the first motor, the first motor is a dc servo motor.
Preferably, in order to detect the temperature in the heat dissipation pipe, a temperature sensor is arranged on the connecting block and is electrically connected with the PLC.
Preferably, in order to support the rotation of the hub, a bearing is further arranged in the engine room, the bearing is sleeved on the hub, and the bearing is fixed among the supports.
Preferably, a protective cover is provided above the nacelle to protect the nacelle.
The wind power generation device with the protection function has the advantages that the speed reducing mechanism and the heat dissipation mechanism are matched to operate, the rotating speed of the hub can be reduced when wind power is strong, the gear rotates to apply work to the second generator, power is additionally generated, meanwhile, the cover plate leaves the heat dissipation pipe, ventilation and heat dissipation of the engine room are facilitated, and therefore the safe, stable and efficient power generation of equipment is achieved, and the practicability of the equipment is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic view of a wind power plant with protection of the present invention;
FIG. 2 is a sectional view of a nacelle of a wind power plant with protection of the present invention;
FIG. 3 is an enlarged view of portion A of FIG. 2;
FIG. 4 is an enlarged view of portion B of FIG. 2;
in the figure: 1. the novel energy-saving device comprises a base, 2. a tower, 3. a cabin, 4. a hub, 5. a fan blade, 6. a gear speed increasing box, 7. a first generator, 8. a circular ring, 9. a convex plate, 10. convex teeth, 11. a cylinder, 12. a radiating pipe, 13. a cover plate, 14. a filter screen, 15. a second generator, 16. a gear, 17. a bracket, 18. a sliding plate, 19. a moving plate, 20. a spring, 21. an annular groove, 22. a sliding block, 23. a rotating speed sensor, 24. a limiting block, 25. a limiting rod, 26. a first motor, 27. a driving rod, 28. a connecting block, 29. a driven rod, 30. a temperature sensor, 31. a bearing, 32. a protective cover.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a wind power generation device with a protection function includes a base 1, a tower 2, a nacelle 3, a hub 4 and a plurality of blades 5, wherein the nacelle 3 is arranged above the base 1 through the tower 2, one end of the hub 4 is arranged in the nacelle 3, the blades 5 are circumferentially and uniformly distributed at the other end of the hub 4, and a PLC and a power generation device are arranged in the nacelle 3;
in the wind power generation device, the position of a base 1 is fixed, a cabin 3 is supported by a tower 2, and when wind blows on a fan blade 5, the fan blade 5 is driven to rotate, so that a hub 4 rotates to apply work to an internal power generation device, and mechanical energy generated by the rotation of the hub 4 is converted into electric energy by the power generation device, thereby realizing wind power generation.
As shown in fig. 2, the power generation device includes a gear speed increasing box 6, a first generator 7, a speed reducing mechanism and a plurality of heat dissipating mechanisms, the gear speed increasing box 6 and the first generator 7 are both fixed in the nacelle 3, the hub 4 is connected with an input end of the gear speed increasing box 6, an output end of the gear speed increasing box 6 is connected with the first generator 7, the speed reducing mechanism is located on one side of the gear speed increasing box 6 close to the fan blades 5, and the heat dissipating mechanisms are uniformly distributed on the periphery of the nacelle 3 in the circumferential direction;
during the rotation of the hub 4, the rotation speed of the input shaft of the first generator 7 is increased by the gear speed increasing box 6, so that the first generator 7 generates electricity. When wind power is too large, the rotating speed of the hub 4 is too high, the speed reducing mechanism and the heat dissipation mechanism can be matched to operate, the whole generating capacity of the generating set is increased, heat dissipation is carried out simultaneously, the safe operation of the wind power generating set is guaranteed, and therefore the practicability of equipment is improved.
As shown in fig. 3, the speed reducing mechanism includes a ring 8, a support assembly, a plurality of protruding plates 9, a plurality of protruding teeth 10, and a plurality of cylinders 11, the hub 4 is located inside the ring 8, the cylinders 11 are circumferentially and uniformly distributed on one side of the ring 8 away from the gear box 6, the cylinders 11 are electrically connected to the PLC, the cylinders 11 are connected to the inner wall of the nacelle 3 through the support assembly, the cylinders 11 are disposed toward the hub 4, the protruding plates 9 are circumferentially and uniformly distributed on the periphery of the hub 4, the cylinder body of the cylinders 11 is fixed on the ring 8, and the protruding teeth 10 are circumferentially and uniformly distributed on the periphery of the ring 8;
when 4 rotational speeds of wheel hub are too fast, PLC control cylinder 11 starts, and the gas pole that drives cylinder 11 stretches out the cylinder body for the gas pole extends between certain two flange 9 of protruding axle, along with wheel hub 4 is rotatory, drives flange 9 and rotates, makes flange 9 act on the gas pole of cylinder 11, drives cylinder 11 and ring 8 and rotates under supporting component's effect, increases the load when wheel hub 4 is rotatory, reduces wheel hub 4's rotational speed.
As shown in fig. 4, the heat dissipation mechanism includes a heat dissipation pipe 12, a cover plate 13, a filter screen 14, a driving assembly, a telescopic assembly, a second generator 15 and a gear 16, the protruding teeth 10 are matched with the gear 16, the heat dissipation pipe 12 is fixed on the cabin 3, the periphery of the heat dissipation pipe 12 is hermetically connected with the inner wall of the filter screen 14, the cover plate 13 is fixed at one end of the filter screen 14 far away from the cabin 3, the driving assembly is disposed in the heat dissipation pipe 12, the cover plate 13 and the telescopic assembly are respectively located at two sides of the driving assembly, the telescopic assembly is connected with the second generator 15, the gear 16 is connected with the second generator 15, the telescopic assembly includes a support 17, a sliding plate 18, a moving plate 19, a spring 20 and a limiting unit, the support 17 is fixed in the cabin 3, the moving plate 19 and the sliding plate 18 are both sleeved on the support 17, two ends of the spring, the moving plate 19 is connected with the sliding plate 18 through a limiting unit, the spring 20 is in a compressed state, the second generator 15 is fixedly connected with the sliding plate 18, and the driving assembly is in transmission connection with the moving plate 19.
When the speed reducing mechanism reduces the rotating speed of the hub 4, the rotating speed of the hub 4 is still high, or the interior of the cabin 3 is too high, the driving assembly is started to drive the cover plate 13 to move away from the radiating pipe 12, and simultaneously drive the moving plate 19 to move close to the hub 4, when the cover plate 13 moves away from the radiating pipe 12, the hot air in the cabin 3 is exhausted from the inner side of the filter screen 14 to the outside through the radiating pipe 12, the cold air in the outside enters the inner side of the filter screen 14 and enters the cabin 3 through the radiating pipe 12 to realize the heat dissipation and temperature reduction of the interior of the cabin 3, and when the moving plate 19 moves close to the hub 4, the sliding plate 18 is driven by the spring 20 in a compressed state to move close to the hub 4 along the bracket 17, so as to drive the gear 16 to contact with the convex teeth 10 on the circular ring 8, and because the hub 4 drives the cylinder 11 and the circular, the gear 16 is driven to rotate to do work on the second generator 15, so that when the rotating speed of the hub 4 is too high due to strong wind power, the rotating speed of the hub 4 can be prevented from being too high, additional power generation can be performed, wind power resources are fully utilized, and the practicability of the equipment is improved.
Preferably, in order to support the cylinders 11 and the ring 8 to rotate, the support assembly includes an annular groove 21 and a plurality of sliding blocks 22, the annular groove 21 is fixed in the nacelle 3, the number of the sliding blocks 22 is equal to the number of the cylinders 11, the sliding blocks 22 correspond to the cylinders 11 one by one, the sliding blocks 22 are fixed on the cylinder body of the cylinders 11, and the sliding blocks 22 are slidably connected with the annular groove 21. The annular groove 21 is used for fixing the rotation track of the sliding block 22, so that the rotation track of the air cylinder 11 is fixed, and the air cylinder 11 and the circular ring 8 are supported to rotate conveniently.
Preferably, the annular groove 21 is a dovetail groove in order to realize stable rotation of the ring 8 and the cylinder 11. Because the annular groove 21 is a dovetail groove, the sliding block 22 cannot be separated from the annular groove 21, and the stable rotation of the circular ring 8 and the cylinder 11 is further ensured.
Preferably, a rotation speed sensor 23 is provided on the hub 4 for detecting the rotation speed of the hub 4, and the rotation speed sensor 23 is electrically connected to the PLC. And the rotating speed sensor 23 is used for detecting the rotating speed of the hub 4, transmitting a rotating speed signal to the PLC, and controlling the speed reducing mechanism and the heat dissipation mechanism to operate when the rotating speed is too high.
Preferably, in order to limit the movement of the moving plate 19 and the sliding plate 18, the limiting unit includes a limiting block 24 and a limiting rod 25, the limiting block 24 is fixedly connected with the moving plate 19 through the limiting rod 25, and the sliding plate 18 is sleeved on the limiting rod 25. The position of the stopper 24 is fixed by the stopper rod 25, thereby limiting the maximum distance between the moving plate 19 and the slide plate 18, so that the spring 20 is always in a compressed state.
As shown in fig. 4, the driving assembly includes a first motor 26, a driving rod 27, a connecting block 28 and two driven rods 29, the first motor 26 is fixed in the radiating pipe 12, the first motor 26 is electrically connected to the PLC, the first motor 26 is in transmission connection with the center of the driving rod 27, two ends of the driving rod 27 are respectively hinged to the connecting block 28 and the moving plate 19 through the two driven rods 29, and the connecting block 28 is fixedly connected to the cover plate 13.
The PLC controls the first motor 26 to start, so as to drive the driving rod 27 to rotate, and two ends of the driving rod 27 act on the moving plate 19 and the connecting block 28 through two driven rods 29 respectively, so as to drive the moving plate 19 to move, and drive the cover plate 13 to move through the connecting block 28.
Preferably, the first motor 26 is a dc servo motor in order to ensure the driving force of the first motor 26 by utilizing the characteristic that the driving force of the dc servo motor is strong.
Preferably, in order to detect the temperature in the radiating pipe 12, a temperature sensor 30 is provided on the connection block 28, and the temperature sensor 30 is electrically connected to the PLC. Utilize temperature sensor 30 to detect the temperature in cooling tube 12 to give PLC with temperature data transfer, after PLC detected the high temperature, control drive assembly started, make apron 13 break away from cooling tube 12, make things convenient for the hot-air to discharge.
Preferably, in order to support the hub 4 to rotate, a bearing 31 is further disposed in the nacelle 3, the bearing 31 is sleeved on the hub 4, and the bearing 31 is fixed between the brackets 17. The bearing 31 is used for supporting the hub 4, so that the hub 4 can rotate stably.
Preferably, a protective cover 32 is provided above the nacelle 3 in order to protect the nacelle 3. The protective cover 32 prevents rainwater from hitting the upper radiating pipe 12, so that the interior of the cabin 3 is affected by moisture.
When the wind power generation device operates, when the rotating speed of the hub 4 is too fast, the air rod can be driven by the air cylinder 11 to move close to the hub 4, the convex plate 9 acts on the air rod, the circular ring 8 and the air cylinder 11 rotate under the action of the supporting component, the load of the hub 4 is increased, the rotating speed of the hub 4 is reduced, the driving component can also operate, the movable plate 19 is driven to move close to the hub 4, the gear 16 is driven to rotate after being contacted with the convex teeth 10, the second generator 15 generates electricity, the generated energy is additionally increased, and after the driving component operates, the cover plate 13 can be driven to keep away from the radiating pipe 12, hot air inside the cabin 3 is conveniently discharged, ventilation and heat dissipation are facilitated, the safe, stable and efficient electricity generation of the cabin 3 is protected, and the practicability of.
Compared with the prior art, this wind power generation set with protect function passes through reduction gears and heat dissipation mechanism cooperation operation, can reduce wheel hub 4's rotational speed when wind-force is stronger to rotate through gear 16 and do work to second generator 15, additionally generate electricity, apron 13 leaves cooling tube 12 simultaneously, makes things convenient for cabin 3 to ventilate and dispel the heat, so, realizes equipment safety and stability and generates electricity with high efficiency, thereby has improved the practicality of equipment.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (10)

1. A wind power generation device with a protection function is characterized by comprising a base (1), a tower (2), a cabin (3), a hub (4) and a plurality of fan blades (5), wherein the cabin (3) is arranged above the base (1) through the tower (2), one end of the hub (4) is arranged in the cabin (3), the fan blades (5) are uniformly distributed at the other end of the hub (4) in the circumferential direction, and a PLC and a power generation device are arranged in the cabin (3);
the power generation device comprises a gear speed increasing box (6), a first generator (7), a speed reducing mechanism and a plurality of heat dissipation mechanisms, wherein the gear speed increasing box (6) and the first generator (7) are fixed in the engine room (3), a hub (4) is connected with the input end of the gear speed increasing box (6), the output end of the gear speed increasing box (6) is connected with the first generator (7), the speed reducing mechanism is positioned on one side, close to the fan blades (5), of the gear speed increasing box (6), and the heat dissipation mechanisms are uniformly distributed on the periphery of the engine room (3) in the circumferential direction;
the speed reducing mechanism comprises a circular ring (8), a supporting component, a plurality of convex plates (9), a plurality of convex teeth (10) and a plurality of cylinders (11), the hub (4) is located on the inner side of the circular ring (8), the cylinders (11) are circumferentially and uniformly distributed on one side, away from the gear speed increasing box (6), of the circular ring (8), the cylinders (11) are electrically connected with the PLC, the cylinders (11) are connected with the inner wall of the cabin (3) through the supporting component, the cylinders (11) are arranged towards the hub (4), the convex plates (9) are circumferentially and uniformly distributed on the periphery of the hub (4), the cylinder body of the cylinders (11) is fixed on the circular ring (8), and the convex teeth (10) are circumferentially and uniformly distributed on the periphery of the circular ring (8);
the heat dissipation mechanism comprises a heat dissipation pipe (12), a cover plate (13), a filter screen (14), a driving assembly, a telescopic assembly, a second power generator (15) and a gear (16), wherein convex teeth (10) are matched with the gear (16), the heat dissipation pipe (12) is fixed on the cabin (3), the periphery of the heat dissipation pipe (12) is hermetically connected with the inner wall of the filter screen (14), the cover plate (13) is fixed at one end of the filter screen (14) far away from the cabin (3), the driving assembly is arranged in the heat dissipation pipe (12), the cover plate (13) and the telescopic assembly are respectively positioned at two sides of the driving assembly, the telescopic assembly is connected with the second power generator (15), the gear (16) is connected with the second power generator (15), the telescopic assembly comprises a support (17), a sliding plate (18), a sliding plate (19), a spring (20) and a limiting unit, the support (17) is fixed in the cabin (3), the movable plate (19) and the sliding plate (18) are sleeved on the support (17), two ends of the spring (20) are connected with the movable plate (19) and the sliding plate (18) respectively, the movable plate (19) is connected with the sliding plate (18) through a limiting unit, the spring (20) is in a compression state, the second generator (15) is fixedly connected with the sliding plate (18), and the driving assembly is in transmission connection with the movable plate (19).
2. The wind power generation device with protection function according to claim 1, characterized in that the supporting component comprises an annular groove (21) and a plurality of sliding blocks (22), the annular groove (21) is fixed in the nacelle (3), the number of the sliding blocks (22) is equal to the number of the air cylinders (11), the sliding blocks (22) correspond to the air cylinders (11) one by one, the sliding blocks (22) are fixed on the cylinder body of the air cylinders (11), and the sliding blocks (22) are connected with the annular groove (21) in a sliding manner.
3. The wind power generation apparatus with a protection function according to claim 2, wherein the annular groove (21) is a dovetail groove.
4. The wind power plant with protection function according to claim 1, characterized in that a rotation speed sensor (23) is provided on the hub (4), and the rotation speed sensor (23) is electrically connected with the PLC.
5. The wind power generation device with the protection function according to claim 1, wherein the limiting unit comprises a limiting block (24) and a limiting rod (25), the limiting block (24) is fixedly connected with the moving plate (19) through the limiting rod (25), and the sliding plate (18) is sleeved on the limiting rod (25).
6. The wind power generation device with protection function according to claim 1, wherein the driving assembly comprises a first motor (26), a driving rod (27), a connecting block (28) and two driven rods (29), the first motor (26) is fixed in the radiating pipe (12), the first motor (26) is electrically connected with the PLC, the first motor (26) is in transmission connection with the center of the driving rod (27), two ends of the driving rod (27) are respectively hinged with the connecting block (28) and the moving plate (19) through the two driven rods (29), and the connecting block (28) is fixedly connected with the cover plate (13).
7. The wind power plant with protection according to claim 6, characterized in that the first electric motor (26) is a DC servo motor.
8. The wind power generation device with protection function according to claim 6, wherein a temperature sensor (30) is provided on the connection block (28), and the temperature sensor (30) is electrically connected with the PLC.
9. The wind power plant with protection function according to claim 1, wherein a bearing (31) is further provided in the nacelle (3), the bearing (31) is sleeved on the hub (4), and the bearing (31) is fixed between the brackets (17).
10. Wind power plant with protection according to claim 1, characterized in that a protective cover (32) is provided above the nacelle (3).
CN202010142134.2A 2020-03-04 2020-03-04 Wind power generation device with protection function Withdrawn CN111207037A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010142134.2A CN111207037A (en) 2020-03-04 2020-03-04 Wind power generation device with protection function

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Application Number Priority Date Filing Date Title
CN202010142134.2A CN111207037A (en) 2020-03-04 2020-03-04 Wind power generation device with protection function

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CN111207037A true CN111207037A (en) 2020-05-29

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112065664A (en) * 2020-08-04 2020-12-11 深圳丰发一诺科技有限公司 Wind power generation equipment with speed reduction effect
CN112160869A (en) * 2020-09-10 2021-01-01 华电电力科学研究院有限公司 Over-speed prevention protection device for impeller of wind turbine generator and control method
CN112648143A (en) * 2020-10-09 2021-04-13 曹青姣 Wind-driven generator
CN112727679A (en) * 2020-12-29 2021-04-30 诸暨和创电机科技有限公司 Speed reduction device based on friction braking mechanism and wind driven generator braking system
CN113494673A (en) * 2021-07-27 2021-10-12 徐植坤 Lubricating device of wind driven generator
CN114183302A (en) * 2022-01-07 2022-03-15 龚保惠 Speed limiting device of wind driven generator
CN115263688A (en) * 2022-09-27 2022-11-01 常州市中昊轨道交通科技发展有限公司 Damping device and wind generating set
CN116838533A (en) * 2023-06-26 2023-10-03 华能汕头风力发电有限公司 Braking device of wind driven generator
CN117948244A (en) * 2024-03-26 2024-04-30 易事特智能化系统集成有限公司 Wind energy power generation equipment capable of rotating along with wind direction

Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112065664A (en) * 2020-08-04 2020-12-11 深圳丰发一诺科技有限公司 Wind power generation equipment with speed reduction effect
CN112065664B (en) * 2020-08-04 2022-12-27 深圳丰发一诺科技有限公司 Wind power generation equipment with speed reduction effect
CN112160869B (en) * 2020-09-10 2022-06-07 华电电力科学研究院有限公司 Over-speed prevention protection device for impeller of wind turbine generator and control method
CN112160869A (en) * 2020-09-10 2021-01-01 华电电力科学研究院有限公司 Over-speed prevention protection device for impeller of wind turbine generator and control method
CN112648143A (en) * 2020-10-09 2021-04-13 曹青姣 Wind-driven generator
CN112727679A (en) * 2020-12-29 2021-04-30 诸暨和创电机科技有限公司 Speed reduction device based on friction braking mechanism and wind driven generator braking system
CN113494673A (en) * 2021-07-27 2021-10-12 徐植坤 Lubricating device of wind driven generator
CN114183302A (en) * 2022-01-07 2022-03-15 龚保惠 Speed limiting device of wind driven generator
CN115263688A (en) * 2022-09-27 2022-11-01 常州市中昊轨道交通科技发展有限公司 Damping device and wind generating set
CN115263688B (en) * 2022-09-27 2022-12-20 常州市中昊轨道交通科技发展有限公司 Damping device and wind generating set
CN116838533A (en) * 2023-06-26 2023-10-03 华能汕头风力发电有限公司 Braking device of wind driven generator
CN117948244A (en) * 2024-03-26 2024-04-30 易事特智能化系统集成有限公司 Wind energy power generation equipment capable of rotating along with wind direction
CN117948244B (en) * 2024-03-26 2024-05-28 易事特智能化系统集成有限公司 Wind energy power generation equipment capable of rotating along with wind direction

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Application publication date: 20200529