CN113217288B - Permanent-magnet semi-direct-drive wind driven generator - Google Patents
Permanent-magnet semi-direct-drive wind driven generator Download PDFInfo
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- CN113217288B CN113217288B CN202110568151.7A CN202110568151A CN113217288B CN 113217288 B CN113217288 B CN 113217288B CN 202110568151 A CN202110568151 A CN 202110568151A CN 113217288 B CN113217288 B CN 113217288B
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 6
- 239000003921 oil Substances 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000001125 extrusion Methods 0.000 claims description 20
- 230000005389 magnetism Effects 0.000 claims 1
- 230000009471 action Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010248 power generation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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- 238000005457 optimization Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
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
- 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
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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
- 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
- F03D3/064—Fixing wind engaging parts to rest of 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
- 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
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/302—Segmented or sectional blades
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2240/00—Components
- F05B2240/20—Rotors
- F05B2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
- F05B2240/31—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape
- F05B2240/312—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor of changeable form or shape capable of being reefed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/70—Adjusting of angle of incidence or attack of rotating blades
- F05B2260/76—Adjusting of angle of incidence or attack of rotating blades the adjusting mechanism using auxiliary power sources
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- 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 permanent magnet semi-direct-drive wind driven generator which comprises a supporting body, wherein the supporting body is provided with a piston groove, an assembly groove, a rotating groove and an accommodating groove which are sequentially communicated from top to bottom, a generator main body is arranged in the accommodating groove, an input shaft of the generator main body penetrates through the rotating groove and is fixedly connected with a rotary drum, the rotary drum is in sealed rotating connection with the assembly groove through a sealing bearing, a plurality of oil throwing holes are uniformly formed in the outer surface of the rotary drum, an annular piston is in sealed sliding connection in the vertical direction in the piston groove and is in sealed sliding sleeved connection on the rotary drum, hydraulic oil is filled in the rotary drum and the piston groove below the annular piston, the piston groove is in rotating connection with a hollow adjusting cylinder through a bearing, and a supporting plate is horizontally and fixedly connected in the adjusting cylinder. The invention can be suitable for scenes with different natural wind speeds, and can reduce the wind area in strong wind weather to protect the fan blades and the generator main body.
Description
Technical Field
The invention relates to the technical field of generators, in particular to a permanent magnet semi-direct-drive wind driven generator.
Background
The permanent magnet semi-direct-drive wind driven generator integrates the advantages of a direct-drive type fan and a double-fed type fan, and has the advantages of greatly reduced volume and weight and greatly improved reliability. In addition, the vertical axis wind driven generator does not need to face the wind when the wind direction changes, so that the generating efficiency is improved, the structure is simplified, and the gyroscopic force of the wind wheel when facing the wind is reduced.
In a traditional vertical axis wind turbine, the blades are fixedly arranged, when the wind speed is low, the situation that the rotating speed of the input shaft of the generator is low due to the fact that the wind area is small can exist, the power generation efficiency is low, when the wind speed is high, the wind area is large, the rotating speed of the input shaft of the generator is high, the rotating speed of the input shaft of the generator can far exceed the electric energy conversion efficiency, the power grid fluctuation is unstable, and the blades can be damaged.
To this end, we propose a permanent magnet semi-direct drive wind generator to solve the above problems.
Disclosure of Invention
The invention aims to provide a wind power generation device which can improve the wind receiving area and increase the power generation efficiency when the wind speed is low; when the wind speed is high, the wind area is reduced, and the permanent magnet semi-direct drive wind driven generator which is damaged by power grid fluctuation and generators and fan blades is avoided.
In order to achieve the purpose, the invention adopts the following technical scheme:
the permanent magnet semi-direct drive wind driven generator comprises a bearing body, wherein the bearing body is provided with a piston groove, an assembly groove, a rotating groove and a holding groove which are sequentially communicated from top to bottom, a generator main body is arranged in the holding groove, an input shaft of the generator main body penetrates through the rotating groove and is fixedly connected with a rotary drum, the rotary drum is in sealed rotating connection with the assembly groove through a sealing bearing, a plurality of oil throwing holes are uniformly formed in the outer surface of the rotary drum, an annular piston is in sealed sliding connection in the vertical direction in the piston groove and is in sealed sliding sleeved connection on the rotary drum, hydraulic oil is filled in the rotary drum and the piston groove below the annular piston, the piston groove is rotatably connected with a hollow adjusting cylinder through a bearing, a supporting plate is horizontally and fixedly connected in the adjusting cylinder, the supporting plate is rotatably connected with a vertical shaft through a bearing, and a driving bevel gear is coaxially and fixedly connected to the upper end of the vertical shaft, the vertical shaft is coaxially and fixedly sleeved with a rotating block below a supporting plate, the outer surface of the rotating block is provided with an external spiral, a moving block which is rectangular when viewed from above is connected in a sliding manner in the vertical direction in the adjusting cylinder, the inner surface of the moving block is provided with an internal spiral, the moving block is in spiral connection with the external spiral through the internal spiral, the upper end of the annular piston is symmetrically and fixedly connected with two extrusion rods, the lower end of the adjusting cylinder is provided with a sliding opening for the extrusion rods to slide up and down, the lower end of the supporting plate is provided with a clockwork spring device, the inner end and the outer end of the clockwork spring device are respectively and fixedly connected with the vertical shaft and the inner wall of the adjusting cylinder, a plurality of driven bevel gears which are uniformly distributed in the circumferential direction and are meshed with the driving bevel gear are arranged in the adjusting cylinder, one side of each driven bevel gear, which is far away from the axis of the adjusting cylinder, is coaxially and fixedly connected with a cross shaft, and one end of each cross shaft, which is far away from the driven bevel gear, penetrates through the adjusting cylinder and is fixedly connected with a main fan blade, and the cross shaft is rotatably connected with the adjusting cylinder by using a bearing, one side of the main fan blade, which is far away from the adjusting cylinder, is provided with a groove, an auxiliary fan blade is arranged in the groove, a telescopic device is arranged between the main fan blade and the auxiliary fan blade, the telescopic device is in signal connection with a controller, the controller is in signal connection with an air speed sensor, and the air speed sensor is fixedly installed at the top end of the adjusting cylinder.
Preferably, a sliding groove for enabling the moving block to slide in the vertical direction is formed in the adjusting cylinder.
Preferably, the extrusion rod and the sliding port are both square structures.
Preferably, the direction of torsion of said clockwork coincides with the direction of rotation of the vertical shaft.
Preferably, the outer wall of the lower end of the adjusting cylinder is convexly provided with an annular bulge, and the upper end of the bearing body is fixedly connected with a plane bearing connected with the annular bulge.
Preferably, the telescoping device is including seting up the thread groove in the vice fan blade, thread groove female connection has the threaded rod, the embedded motor that is used for driving the threaded rod that is equipped with of recess, the one end fixed mounting that the threaded rod is located the thread groove has distance sensor.
Compared with the prior art, the invention has the beneficial effects that:
1. the auxiliary fan blades can be extended out or retracted in according to the natural wind speed through the mutual matching of the wind speed sensor, the distance sensor, the controller and the telescopic device, so that the fan blades are expanded when the wind speed is low, and the fan blades are contracted when the wind speed is high, and the adaptability is high;
2. when the wind driven generator is subjected to strong natural wind flow, hydraulic oil in the adjusting cylinder and the rotating cylinder are rotated at a high speed and thrown out under the action of centrifugal force to generate upward thrust on the annular piston, so that the extrusion rod is driven to extrude the moving block upwards, the vertical shaft is driven to rotate under the action of the spiral, and the plurality of fan blades are driven to rotate under the meshing action of the bevel gears, so that the wind area is reduced, and the damage to the fan blades and the generator main body is avoided.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of a permanent magnet semi-direct-drive wind driven generator according to the present invention.
Fig. 2 is a structural sectional view of the front side of the permanent magnet semi-direct-drive wind driven generator provided by the invention.
Fig. 3 is an enlarged schematic view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of the meshing of the driving bevel gear and the driven bevel gear of the permanent magnet semi-direct drive wind driven generator provided by the invention.
Fig. 5 is a schematic structural diagram of a permanent magnet semi-direct drive wind turbine supporting body according to the present invention.
In the figure: the wind speed sensor comprises a bearing body 1, an adjusting cylinder 2, an annular bulge 3, a plane bearing 4, a generator main body 5, a rotating cylinder 6, an oil throwing hole 7, an annular piston 8, an extrusion rod 9, a sliding opening 10, a support plate 11, a vertical shaft 12, a driving bevel gear 13, a clockwork spring device 14, a rotating block 15, a moving block 16, a sliding groove 17, a driven bevel gear 18, a horizontal shaft 19, a main fan blade 20, a motor 21, a threaded rod 22, a threaded groove 23, an auxiliary fan blade 24 and a wind speed sensor 25.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a permanent magnet semi-direct drive wind driven generator comprises a supporting body 1, the supporting body 1 is provided with a piston groove, an assembly groove, a rotating groove and a holding groove which are sequentially communicated from top to bottom, a generator main body 5 is arranged in the holding groove, an input shaft of the generator main body 5 passes through the rotating groove and is fixedly connected with a rotary drum 6, the rotary drum 6 is in sealed rotating connection with the assembly groove through a sealing bearing, a plurality of oil throwing holes 7 are uniformly arranged on the outer surface of the rotary drum 6, an annular piston 8 is in sealed sliding connection in the piston groove in the vertical direction and is in sealed sliding connection with the rotary drum 6, the annular piston 8 is in sealed sliding connection with the rotary drum 6, the piston grooves below the annular piston 8 and the rotary drum 6 are filled with hydraulic oil which is a hydraulic medium used by a hydraulic system utilizing liquid pressure energy, the functions of energy transfer, abrasion resistance, system lubrication, corrosion resistance, rust resistance, cooling and the like are achieved in the hydraulic system, the piston groove is in rotatable connection with a hollow adjusting cylinder 2 through the bearing, in addition, the outer wall of the lower end of the adjusting cylinder 2 is convexly provided with an annular bulge 3, the upper end of the bearing body 1 is fixedly connected with a plane bearing 4 connected with the annular bulge 3, the adjusting cylinder 2 is supported by the plane bearing 4 and the annular bulge 3, the stress between the adjusting cylinder 2 and the bearing on the inner wall of the piston groove is greatly reduced, and the rotating stability of the adjusting cylinder 2 is enhanced.
A supporting plate 11 is horizontally and fixedly connected in the adjusting cylinder 2, the supporting plate 11 is rotatably connected with a vertical shaft 12 by using a bearing, the supporting plate 11 is convenient for supporting the vertical shaft 12, a driving bevel gear 13 is coaxially and fixedly connected at the upper end of the vertical shaft 12, the vertical shaft 12 is coaxially and fixedly sleeved with a rotating block 15 below the supporting plate 11, the outer surface of the rotating block 15 is provided with an outer screw, a moving block 16 which is rectangular in overlooking is slidably connected in the adjusting cylinder 2 in the vertical direction, the inner surface of the moving block 16 is provided with an inner screw, the moving block 16 is spirally connected with the outer screw and the rotating block 15 by the inner screw, the moving block 16 is connected with the outer screw and the outer screw by the inner screw, the screw is an unusual screw, the width between every two circles of screws is thicker than that of the screw, so that the moving block 16 drives the rotating block 15 to rotate by the extrusion force of the inner screw to the outer screw, a chute 17 for the moving block 16 to slide in the vertical direction is arranged in the adjusting cylinder 2, the lifting height of the moving block 16 is limited, and the fan blade is prevented from rotating reversely.
Two extrusion stems 9 of annular piston 8's upper end symmetry fixedly connected with, adjust the lower extreme of a section of thick bamboo 2 and offer the gliding mouth 10 that slides from top to bottom that supplies extrusion stem 9, extrusion stem 9 is square structure with smooth mouth 10, adjust a section of thick bamboo 2 and can drive extrusion stem 9 through mutual spacing extrusion stem 9 and smooth mouth 10 and make the circumference rotate at the rotation in-process, there is frictional resistance between the lower extreme of extrusion stem 9 and annular piston 8 this moment, in order to reduce its and annular piston 8 between frictional resistance and when the limit wind speed, the frictional resistance of extrusion stem 9 upper end and 16 lower extremes of movable block, as the optimization, can inlay the dress spin at the upper and lower end of extrusion stem 9, replace sliding friction by rolling friction.
The lower end of the supporting plate 11 is provided with a clockwork spring device 14, the inner end and the outer end of the clockwork spring device 14 are respectively and fixedly connected with the vertical shaft 12 and the inner wall of the adjusting cylinder 2, the twisting direction of the clockwork spring device 14 is consistent with the rotating direction of the vertical shaft 12, and the clockwork spring device 14 can be twisted to store energy in the rotating process of the vertical shaft 12.
A plurality of driven bevel gears 18 which are uniformly distributed in the circumferential direction and meshed with the driving bevel gear 13 are arranged in the adjusting cylinder 2, one side of each driven bevel gear 18, which is far away from the axis of the adjusting cylinder 2, is coaxially and fixedly connected with a cross shaft 19, one end of each cross shaft 19, which is far away from the driven bevel gears 18, penetrates through the adjusting cylinder 2 and is fixedly connected with a main fan blade 20, the cross shaft 19 is rotatably connected with the adjusting cylinder 2 by using a bearing, one side of each main fan blade 20, which is far away from the adjusting cylinder 2, is provided with a groove, an auxiliary fan blade 24 is arranged in the groove, a telescopic device is arranged between each main fan blade 20 and the auxiliary fan blade 24 and comprises a thread groove 23 arranged in the auxiliary fan blade 24, a threaded rod 22 is connected with an internal thread of the thread groove 23, a motor 21 for driving the threaded rod 22 is embedded in the groove, the motor 21 can drive the auxiliary fan blade 24 to extend out of or retract into the groove by driving the threaded rod 22, so as to change the wind receiving area of the fan blade, one end, of the threaded rod 22, which is fixedly arranged on the thread groove 23, is provided with a distance sensor, is the prior art.
Telescoping device signal connection has the controller, controller and motor 21, distance sensor signal connection promptly, and controller signal connection has air velocity transducer 25, and air velocity transducer 25 fixed mounting is on the top of adjusting a section of thick bamboo 2, and air velocity transducer 25 is prior art, can turn into the signal of telecommunication and long-range the sending for the controller with air velocity signal. It should be noted that the distance sensor, the wind speed sensor 25, the controller and the motor in the present invention are powered by their own power supply, so as to avoid the difficulty of wiring due to direct power supply.
In the normal working process of the invention, the fan blades (the main fan blade 20 and the auxiliary fan blade 24) are impacted by natural wind, so that the whole adjusting cylinder 2 is driven to rotate along the axis of the adjusting cylinder, the input shaft of the generator main body 5 is driven to rotate by the rotary cylinder 6, and the power generation operation is continuously carried out.
When the wind speed is lower than the limit value, the wind speed sensor 25 converts a wind speed signal into an electric signal and sends the electric signal to the controller, the controller obtains the wind speed according to the electric signal, and therefore the wind receiving area is adjusted, namely the larger the wind speed is, the smaller the wind receiving area is, the smaller the wind speed is, the larger the wind receiving area is, the wind receiving area is inversely proportional to the wind speed, specifically, the controller controls the motor 21 to rotate forward and backward to drive the threaded rod 22, the auxiliary fan blade 24 moves along the axis of the threaded rod 22 along with the rotation of the threaded rod 22 under the condition of limited sliding with the groove, the distance sensor is responsible for converting a distance signal between the distance sensor and the inner wall of the threaded groove 23 into an electric signal and sending the electric signal to the controller, and the controller can know the total area of the fan blades (the main fan blade 20 and the auxiliary fan blade 24), and accordingly the wind receiving area of a single fan blade is changed.
When the natural wind speed is before the limit wind speed value, the threaded rod 22 is completely positioned in the threaded groove 23, the auxiliary fan blade 24 is completely positioned in the groove, the wind area of the fan blade is the minimum, when the natural wind speed exceeds the limit wind speed value, the adjusting cylinder 2 drives the input shaft of the generator main body 5 to rotate through the rotary cylinder 6, hydraulic oil in the rotary cylinder 6 can be thrown out of the oil throwing hole 7 under the centrifugal action force and enters the piston groove, so that the annular piston 8 is lifted upwards, the annular piston 8 drives the extrusion rod 9 to extrude the movable block 16 upwards, it needs to be pointed out that when the natural wind speed does not reach the limit wind speed value, the process still happens, but the extrusion rod 9 cannot rise to the position contacted with the movable block 16, and the movable block 16 drives the rotary block 15, the vertical shaft 12 and the driving bevel gear 13 connected with the rotary block 15, the vertical shaft 12 and the driving bevel gear to rotate by utilizing the extrusion action force between the inner spiral and the outer spiral in the rising process, the clockwork device 14 twists and stores energy, and in addition, the drive bevel gear 13 synchronously drives the driven bevel gears 18 to rotate, so that the main fan blade 20 is driven to rotate to a certain angle by taking the transverse shaft 19 as a circle center, the wind area is reduced, the power grid fluctuation and the damage of the fan blade and the generator main body 5 caused by strong wind to the generator main body 5 are avoided, and when natural wind is gradually enhanced, according to the description of the principle, the fan blade can rotate to within a safe angle.
Because of the existence of the clockwork 14, the position of the fan blade is kept unchanged, namely the fan blade is used for overcoming the torsion of the clockwork 14 under the condition of continuously receiving constant strong wind, when the natural wind strength is weakened, the elastic potential energy of the clockwork 14 can be converted into the mechanical energy of the vertical shaft 12, and the vertical shaft 12 rotates reversely so as to drive the fan blade to reset through the driving bevel gear 13 and the driven bevel gear 18 which are meshed with each other.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. Permanent magnetism half direct drive aerogenerator, including supporting body (1), its characterized in that: the bearing body (1) is provided with a piston groove, an assembly groove, a rotating groove and a holding groove which are sequentially communicated from top to bottom, a generator main body (5) is arranged in the holding groove, an input shaft of the generator main body (5) penetrates through the rotating groove and is fixedly connected with a rotary drum (6), the rotary drum (6) is in sealed rotating connection with the assembly groove through a sealing bearing, a plurality of oil throwing holes (7) are uniformly formed in the outer surface of the rotary drum (6), an annular piston (8) is in sealed sliding connection in the vertical direction in the piston groove, the annular piston (8) is in sealed sliding connection with the rotary drum (6), hydraulic oil is filled in the piston grooves below the rotary drum (6) and the annular piston (8), the piston groove is rotatably connected with a hollow adjusting cylinder (2) through a bearing, and a supporting plate (11) is horizontally and fixedly connected in the adjusting cylinder (2), the device is characterized in that the supporting plate (11) is rotatably connected with a vertical shaft (12) by using a bearing, the upper end of the vertical shaft (12) is coaxially and fixedly connected with a drive bevel gear (13), the vertical shaft (12) is coaxially and fixedly sleeved with a rotating block (15) below the supporting plate (11), the outer surface of the rotating block (15) is provided with an outer spiral, a moving block (16) which is rectangular in overlook is slidably connected in the vertical direction in the adjusting cylinder (2), the inner surface of the moving block (16) is provided with an inner spiral, the moving block (16) is spirally connected with the rotating block (15) through the inner spiral and the outer spiral, the upper end of the annular piston (8) is symmetrically and fixedly connected with two extrusion rods (9), the lower end of the adjusting cylinder (2) is provided with a sliding opening (10) for the extrusion rods (9) to slide up and down, and the lower end of the supporting plate (11) is provided with a clockwork spring device (14), the inner end and the outer end of the clockwork device (14) are fixedly connected with a vertical shaft (12) and the inner wall of an adjusting cylinder (2) respectively, a plurality of driven bevel gears (18) which are uniformly distributed in the circumferential direction and are meshed with a driving bevel gear (13) are arranged in the adjusting cylinder (2), one side of each driven bevel gear (18) far away from the axis of the adjusting cylinder (2) is coaxially and fixedly connected with a transverse shaft (19), one end of each transverse shaft (19) far away from the driven bevel gear (18) penetrates through the adjusting cylinder (2) and is fixedly connected with a main fan blade (20), the transverse shaft (19) is rotatably connected with the adjusting cylinder (2) by using a bearing, one side of the main fan blade (20) far away from the adjusting cylinder (2) is provided with a groove, an auxiliary fan blade (24) is arranged in the groove, a telescopic device is arranged between the main fan blade (20) and the auxiliary fan blade (24), and is in signal connection with a controller, the controller is in signal connection with an air speed sensor (25), and the air speed sensor (25) is fixedly installed at the top end of the adjusting cylinder (2).
2. The permanent magnet semi-direct drive wind driven generator according to claim 1, characterized in that: a sliding groove (17) for the moving block (16) to slide in the vertical direction is formed in the adjusting cylinder (2).
3. The permanent magnet semi-direct drive wind driven generator according to claim 1, characterized in that: the extrusion rod (9) and the sliding opening (10) are both square structures.
4. The permanent magnet semi-direct drive wind driven generator according to claim 1, characterized in that: the direction of torsion of the spring device (14) corresponds to the direction of rotation of the vertical shaft (12).
5. The permanent magnet semi-direct drive wind driven generator according to claim 1, characterized in that: the outer wall of the lower end of the adjusting cylinder (2) is convexly provided with an annular bulge (3), and the upper end of the bearing body (1) is fixedly connected with a plane bearing (4) connected with the annular bulge (3).
6. The permanent magnet semi-direct drive wind driven generator according to claim 1, characterized in that: the telescopic device comprises a thread groove (23) formed in an auxiliary fan blade (24), a threaded rod (22) is connected to the thread groove (23) in an internal thread mode, a motor (21) used for driving the threaded rod (22) is embedded in the groove, and a distance sensor is fixedly mounted at one end, located on the thread groove (23), of the threaded rod (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110568151.7A CN113217288B (en) | 2021-05-25 | 2021-05-25 | Permanent-magnet semi-direct-drive wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110568151.7A CN113217288B (en) | 2021-05-25 | 2021-05-25 | Permanent-magnet semi-direct-drive wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113217288A CN113217288A (en) | 2021-08-06 |
| CN113217288B true CN113217288B (en) | 2022-06-17 |
Family
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406584A (en) * | 1980-08-07 | 1983-09-27 | Stepp William J | Vertical axis windmill with multistage feathering of blades and safety storm control |
| CN101368542A (en) * | 2007-08-16 | 2009-02-18 | 彭建平 | Wind energy solar generator with vertical movable blade |
| CN102606401A (en) * | 2012-03-21 | 2012-07-25 | 重庆大学 | Vertical axis wind turbine and turning radius adjusting mechanism of paddles of vertical axis wind turbine |
| CN104074677A (en) * | 2013-03-27 | 2014-10-01 | 山东建筑大学 | Solidity variable wind rotor of vertical axis wind power generator |
| CN106382185A (en) * | 2016-12-18 | 2017-02-08 | 孟英志 | Extension type fan wind wheel or blade and wind driven generator |
| CN206801790U (en) * | 2017-05-31 | 2017-12-26 | 中国电建集团西北勘测设计研究院有限公司 | Large-scale vertical shaft type wind generator system |
| CN108953057A (en) * | 2018-08-09 | 2018-12-07 | 石山霞 | A kind of vertical axis aerogenerator |
| CN111075642A (en) * | 2019-12-31 | 2020-04-28 | 陆林娣 | Stable-balance vertical wind power generation device and method thereof |
-
2021
- 2021-05-25 CN CN202110568151.7A patent/CN113217288B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4406584A (en) * | 1980-08-07 | 1983-09-27 | Stepp William J | Vertical axis windmill with multistage feathering of blades and safety storm control |
| CN101368542A (en) * | 2007-08-16 | 2009-02-18 | 彭建平 | Wind energy solar generator with vertical movable blade |
| CN102606401A (en) * | 2012-03-21 | 2012-07-25 | 重庆大学 | Vertical axis wind turbine and turning radius adjusting mechanism of paddles of vertical axis wind turbine |
| CN104074677A (en) * | 2013-03-27 | 2014-10-01 | 山东建筑大学 | Solidity variable wind rotor of vertical axis wind power generator |
| CN106382185A (en) * | 2016-12-18 | 2017-02-08 | 孟英志 | Extension type fan wind wheel or blade and wind driven generator |
| CN206801790U (en) * | 2017-05-31 | 2017-12-26 | 中国电建集团西北勘测设计研究院有限公司 | Large-scale vertical shaft type wind generator system |
| CN108953057A (en) * | 2018-08-09 | 2018-12-07 | 石山霞 | A kind of vertical axis aerogenerator |
| CN111075642A (en) * | 2019-12-31 | 2020-04-28 | 陆林娣 | Stable-balance vertical wind power generation device and method thereof |
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| CN113217288A (en) | 2021-08-06 |
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