CN113958462A - Wind driven generator blade detection device and method - Google Patents
Wind driven generator blade detection device and method Download PDFInfo
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- CN113958462A CN113958462A CN202111181732.1A CN202111181732A CN113958462A CN 113958462 A CN113958462 A CN 113958462A CN 202111181732 A CN202111181732 A CN 202111181732A CN 113958462 A CN113958462 A CN 113958462A
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- 238000000034 method Methods 0.000 title claims abstract description 48
- 238000001514 detection method Methods 0.000 title claims abstract description 22
- 241000883990 Flabellum Species 0.000 claims abstract description 24
- 238000010248 power generation Methods 0.000 claims abstract description 22
- 230000000694 effects Effects 0.000 claims abstract description 21
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000008569 process Effects 0.000 claims description 28
- 230000008054 signal transmission Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005381 potential energy Methods 0.000 claims description 3
- 230000001788 irregular Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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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
- F03D17/00—Monitoring or testing of wind motors, e.g. diagnostics
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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
- F03D1/06—Rotors
- F03D1/065—Rotors characterised by their construction elements
- F03D1/0675—Rotors characterised by their construction elements of the blades
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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
- F03D7/02—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- 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
- F03D7/0296—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor to prevent, counteract or reduce noise emissions
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/40—Ice detection; De-icing means
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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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
- Y02E10/72—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)
- Wind Motors (AREA)
Abstract
The invention relates to the technical field of wind power generation, and discloses a wind driven generator blade detection device method which comprises a base, wherein the top of the base is fixedly connected with a supporting shaft, the outer surface of the supporting shaft is movably connected with an outer shaft, the outer surface of the outer shaft is movably connected with blades, and one side of each blade, close to the outer shaft, is movably connected with a connecting bolt. Through the in-process of pressure pole at the removal, there is a thrust of keeping away from the pressure pole to the sliding block, thereby reach the effect to the power conversion, simultaneously along with the removal of sliding block, there is a pulling force to the dead lever, because of the relation of connection of dead lever and flabellum, thereby make the dead lever inside tensile, simultaneously there is some pulling force to the flabellum, because of the relation of connection between movable block and the flabellum, thereby reach the wind power generation flabellum along with rotating the in-process, if when too fast because of the inside rotational speed of external environment, inside centrifugal force turns into the pulling force to the flabellum automatically, thereby offset centrifugal force, thereby reduce the effect of the pressure of flabellum and junction.
Description
Technical Field
The invention relates to the technical field of wind power generation, in particular to a device and a method for detecting a blade of a wind driven generator.
Background
With the gradual fire heating of modern new energy, the utilization and development of the new energy are gradually mature, wherein wind power generation is one of the new energy, and mechanical energy is converted into electric energy through the rotation of fan blades by wind power, so that the wind energy is utilized to the maximum extent.
In the practical wind driven generator, in plateau or cold regions, due to climate change and other reasons, some household wind driven generators or small-range wind driven generator blade surfaces providing power are easy to freeze, the ice blocks are on uneven states on the blade surfaces, so that the centrifugal force between the blades cannot be counteracted mutually in the rotating process of the blades, or due to bird strike and the mass problem of the blades, the mass distribution between the blades is uneven, so that centrifugal force is generated, the pressure at the rotating shaft is increased, the centrifugal force is increased along with the faster rotating speed, so that the rotating shaft not only needs to bear the friction between the rotating process and the outside, but also needs to bear the force between the rotating shaft and the supporting shaft sleeve due to the action of the centrifugal force, one is the increase of internal friction force, and the eccentric force generated by the pressure at the rotating shaft is different from the force at the connecting part of each blade and the rotating shaft, the connection part of the fan blades is easy to loosen after a long time, so that if the fan blades rotate, extra centrifugal force is derived, and the pressure at the rotating shaft is too high.
Therefore, the requirement for high-reliability products is urgent, and a device and a method for detecting the blades of the wind driven generator are provided, so that the device and the method have the effects that in the process that the blades of the wind driven generator rotate, if the rotating speed in the external environment is too high, the internal centrifugal force is automatically converted into the pulling force on the blades, the centrifugal force is offset, the pressure at the connection part of the blades and the connection part is reduced, meanwhile, external workers are reminded, and the blades of the wind driven generator deviate to a greater degree in the rotating process.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a wind driven generator blade detection device and method, which have the advantages that in the process that the wind driven generator blade rotates, if the rotating speed in the external environment is too high, the internal centrifugal force is automatically converted into the pulling force on the blade, so that the centrifugal force is counteracted, the pressure at the blade and the joint is reduced, meanwhile, the external workers are reminded, and the wind driven generator blade deviates to a greater degree in the rotating process, so that the problem of damage to the shaft when the wind driven generator blade deflects is solved.
(II) technical scheme
In order to realize the purposes that the internal centrifugal force is automatically converted into the pulling force to the fan blade to offset the centrifugal force if the rotating speed in the wind power generation fan blade is too high due to the external environment in the rotating process, so that the pressure at the joint of the fan blade and the fan blade is reduced, and meanwhile, the external worker is reminded that the wind power generation fan blade deviates to a greater degree in the rotating process, the invention provides the following technical scheme: the utility model provides a aerogenerator blade detection device method, includes the base, base top fixedly connected with back shaft, back shaft surface swing joint has outer axle, outer axle surface swing joint has the flabellum, flabellum and outer axle pass through connecting bolt fixed connection.
Furthermore, the fan blades comprise moving blocks inside, one side, away from the connecting bolts, of each moving block is movably connected with a button, one side, away from the buttons, of each moving block is fixedly connected with a connecting block, the left end and the right end of each connecting block are fixedly connected with extension springs, the bottom of each connecting block is movably connected with a moving rod, the bottom of each moving rod is movably connected with a turntable, and the bottom of each turntable is movably connected with a push rod.
Further, the outer axle is internally provided with a guide rod, the bottom of the guide rod is movably connected with a pressure rod, one side of the pressure rod, which is far away from the guide rod, is movably connected with a sliding block, and one side of the sliding block, which is far away from the axle center of the outer axle, is movably connected with a fixed rod.
Further, the inside atress ball that includes of back shaft, the outer wall swing joint of atress ball has the elastic block with back shaft fixed connection, the atress ball is close to one side fixedly connected with ejector pin of elastic block, one side fixedly connected with eccentric bar that the atress ball was kept away from to the ejector pin, both ends fixedly connected with reset spring about the eccentric bar, eccentric bar rear end fixedly connected with ball, ball surface swing joint has the support frame, the support frame rear end just is located eccentric bar rear end swing joint and has the pressure piece, the one end swing joint that the eccentric bar was kept away from to the pressure piece has the piezoelectric plate.
Further, the one end that connecting bolt kept away from the outer axle is fixed in flabellum outer surface fixed connection, the flabellum has threely, and the volume size is the same.
Further, a channel is formed in the outer shaft, the sliding block is located in the channel, and the two pressure rods are located at the left end and the right end of the guide rod respectively.
Further, one side that the carousel was kept away from to the push rod and one side swing joint that the pressure bar was kept away from to the guide arm, outer inside and stress ball surface swing joint, the stress ball is located the piezoelectric plate front end, the inside swing joint of piezoelectric plate has the sensor, sensor output and controller input electric signal connection, controller output and wireless connection input electric signal connection, wireless connection input and high in the clouds system input electric signal connection.
Furthermore, the number of the stress balls is six, the stress balls are evenly distributed around the axis of the support shaft, and the distance between the stress balls and the round ball is smaller than that between the piezoelectric plate and the round ball.
The wind turbine blade detection device according to the claim, the wind turbine blade detection method comprises the following specific steps:
s1, when the small wind power generation fan blades are iced, and the ice on the surfaces of the small wind power generation fan blades is irregular, the rotating speed is too high, at the same time, along with the rotation of the fan blades, the moving blocks in the fan blades also rotate together, at the same time, the moving blocks have centrifugal force far away from the outer shaft in the rotating process to enable the moving blocks to move, so that the moving blocks are driven to move towards the direction of the button, the connecting blocks are provided with pulling force, the internal stress of the moving rods is stretched, the elastic potential energy is gathered in the moving blocks, the moving blocks move along with the moving blocks, the rotating discs are provided with pulling force through the moving rods, the rotating discs are further rotated, along with the rotation of the rotating discs, the pushing force is provided for the push rods, and the push rods move towards the direction far away from the rotating discs;
s2, simultaneously, along with the movement of the push rod, the guide rod is pushed, the guide rod is moved to the direction far away from the push rod, further, the pressure rod is also pushed, because the pressure rod is an inclined rod, in the moving process of the pressure rod, the sliding block is pushed to the direction far away from the pressure rod, the effect of force conversion is achieved, meanwhile, along with the movement of the sliding block, the fixed rod is pulled due to the connection relation between the fixed rod and the fan blade, the fixed rod is internally stretched, meanwhile, the fan blade is partially pulled due to the connection relation between the movable block and the fan blade, the effect that the wind power generation fan blade rotates along with the process is achieved, if the rotating speed in the external environment is too high, the internal centrifugal force is automatically converted into the pulling force on the fan blade, the centrifugal force is counteracted, and the effect of the pressure between the fan blade and the connection part is reduced;
s3, simultaneously moving the moving block along with the moving of the moving block, if the speed is too high, the moving block is connected with the button, and current is generated in the moving block and the button due to wind power generation, so that the piezoelectric plate is electrified in the connection process of the moving block and the button, meanwhile, the blades of the wind power generation blades are different in weight due to ice coating, and simultaneously, along with the rotation process, the centrifugal force is deviated during the rotation and cannot be mutually offset due to the inconsistent weight among the blades;
s4, therefore, in the rotating process, the outer shaft can have a deviated centrifugal force to the supporting shaft, when the centrifugal force of the outer shaft rotates to the upper end of the supporting shaft, the force applied to the bottom of the supporting shaft at the moment is the centrifugal force to offset the gravity of a part of fan blades, when the centrifugal force of the outer shaft rotates to the bottom of the supporting shaft, the upper end of the supporting shaft is combined with the centrifugal force by the gravity, therefore, only the pressure on the left side and the right side of the supporting shaft can be generated when the outer shaft generates the centrifugal force, and therefore, when the outer shaft generates the centrifugal force, the outer shaft can have pressure on the stress ball in the rotating process, so that the stress ball has thrust to the eccentric rod through the ejector rod, the stress of the eccentric rod is deviated, and the eccentric rod is deflected;
s5, fulcrum effect through the ball, thereby enlarge the power that the eccentric lever deflected, and then make the eccentric lever rear end drive pressure piece carry out great removal, along with the removal of pressure piece, thereby there is a pressure to the piezoelectric plate, thereby piezoelectric plate inside produces induced-current along with the increase of pressure this moment, the electric current passes through the sensor and spreads into the controller, the controller is signal transmission to cloud platform system, the cloud platform is with signal transmission to wireless module again, and then by outside personnel discovery, thereby reach and remind outside worker, the effect of wind power generation flabellum great degree skew takes place at the rotation in-process.
(III) advantageous effects
Compared with the prior art, the invention provides a wind driven generator blade detection device and method, which have the following beneficial effects:
1. this aerogenerator blade detection device and method, the in-process that removes through the pressure lever, there is a thrust to keeping away from the pressure lever to the sliding block, thereby reach the effect to the conversion of force, simultaneously along with the removal of sliding block, there is a pulling force to the dead lever, because of the relation of connection of dead lever and flabellum, thereby make the inside tensile of dead lever, simultaneously to the flabellum have partly pulling force, because of the relation of connection between movable block and the flabellum, thereby reach the aerogenerator flabellum along with rotating the in-process, if because of when the inside rotational speed of external environment is too fast, inside centrifugal force turns into the pulling force to the flabellum automatically, thereby offset centrifugal force, thereby reduce the effect of the pressure of flabellum and junction.
2. This aerogenerator blade detection device and method, fulcrum effect through the ball, thereby enlarge the power that the eccentric lever deflected, and then make the eccentric lever rear end drive pressure piece carry out great removal, along with the removal of pressure piece, thereby there is a pressure to the piezoelectric plate, thereby this moment piezoelectric plate is inside to produce induced-current along with the increase of pressure, the electric current passes through the sensor and spreads into the controller, the controller is with signal transmission to cloud platform system, the cloud platform is with signal transmission to wireless module again, and then by outside personnel discovery, thereby reach and remind outside workers, the effect of the skew of the great degree of aerogenerator flabellum emergence in the rotation process.
Drawings
FIG. 1 is a three-dimensional view of a fan blade structure according to the present invention;
FIG. 2 is a front view of the outer axial structure of the present invention;
FIG. 3 is a partial schematic view of a moving block structure according to the present invention;
FIG. 4 is a partial schematic view of the movable rod structure of the present invention;
FIG. 5 is a partial schematic view of a pressure bar construction according to the present invention;
FIG. 6 is a partial view of the structure of the force-bearing ball of the present invention;
FIG. 7 is an enlarged view of a portion of the structure of the present invention at A in FIG. 6;
FIG. 8 is a partial schematic view of the eccentric rod structure of the present invention;
FIG. 9 is a partial schematic view of a pressure block structure according to the present invention;
FIG. 10 is a view of structural components of the support frame of the present invention;
FIG. 11 is a flow chart of the system of the present invention.
In the figure: 1. a base; 2. a fan blade; 21. a moving block; 22. an extension spring; 23. connecting blocks; 24. a movable rod; 25. a turntable; 26. a push rod; 27. a button; 3. an outer shaft; 31. a guide bar; 32. a pressure lever; 33. a slider; 34. fixing the rod; 4. a connecting bolt; 5. a support shaft; 51. a force-bearing ball; 52. an elastic block; 53. a top rod; 54. an eccentric rod; 55. a return spring; 56. a ball; 57. a support frame; 58. a pressure block; 59. a piezoelectric plate.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-10, a wind turbine blade detection device method includes a base 1, a support shaft 5 is fixedly connected to the top of the base 1, an outer shaft 3 is movably connected to the outer surface of the support shaft 5, a channel is formed inside the outer shaft 3, two pressure rods 32 are located inside the channel and are respectively located at the left end and the right end of a guide rod 31, the guide rod 31 is included in the outer shaft 3, the pressure rod 32 is movably connected to the bottom of the guide rod 31, the sliding block 33 is movably connected to one side of the pressure rod 32 away from the guide rod 31, and a fixing rod 34 is movably connected to one side of the sliding block 33 away from the axis of the outer shaft 3.
Referring to fig. 3, the outer surface of the outer shaft 3 is movably connected with a fan blade 2, the fan blade 2 includes a moving block 21 inside, one side of the moving block 21 away from the connecting bolt 4 is movably connected with a button 27, one side of the moving block 21 away from the button 27 is fixedly connected with a connecting block 23, two ends of the connecting block 23 are fixedly connected with extension springs 22, the bottom of the connecting block 23 is movably connected with a moving rod 24, the bottom of the moving rod 24 is movably connected with a turntable 25, and the bottom of the turntable 25 is movably connected with a push rod 26.
Referring to fig. 6, 8, 9 and 10, a fan blade 2 and an outer shaft 3 are fixedly connected through a connecting bolt 4, one end of the connecting bolt 4 far away from the outer shaft 3 is fixedly connected to the outer surface of the fan blade 2, three fan blades 2 are provided, and have the same volume, six stress balls 51 are provided inside a support shaft 5 and are evenly distributed around the axis of the support shaft 5, the distance between the stress balls 51 and the ball 56 is smaller than the distance between a piezoelectric plate 59 and the ball 56, an elastic block 52 fixedly connected with the support shaft 5 is movably connected to the outer wall of the stress ball 51, a top rod 53 is fixedly connected to one side of the stress ball 51 close to the elastic block 52, an eccentric rod 54 is fixedly connected to one side of the top rod 53 far away from the stress ball 51, return springs 55 are fixedly connected to the left and right ends of the eccentric rod 54, the ball 56 is fixedly connected to the rear end of the eccentric rod 54, and a support frame 57 is movably connected to the outer surface of the ball 56, a pressure block 58 is movably connected to the rear end of the supporting frame 57 and the rear end of the eccentric rod 54, and a piezoelectric plate 59 is movably connected to one end of the pressure block 58 far away from the eccentric rod 54.
A wind driven generator blade detection device comprises the following specific steps:
s1, when the small wind power generation fan blades are iced, and the surface icing volume is irregular, the rotating speed is too high, at the moment, along with the rotation of the fan blades 2, the moving blocks 21 in the fan blades 2 also rotate together, at the moment, the centrifugal force far away from the outer shaft 3 in the rotating process of the moving blocks 21 enables the moving blocks 21 to move, so that the moving blocks 21 are driven to move towards the direction of the button 27, and further, the connecting blocks 23 are provided with pulling force, so that the moving rods 24 are internally stressed and stretched, so that the elastic potential energy is accumulated in the moving rods 24, and simultaneously, along with the movement of the connecting blocks 23, the connecting blocks 23 move together with the moving blocks 21, so that the moving rods 24 provide pulling force for the rotary disc 25, the rotary disc 25 further rotates, along with the rotation of the rotary disc 25, so that the pushing force is provided for the push rods 26, and the push rods 26 move towards the direction far away from the rotary disc 25;
s2, along with the movement of the push rod 26, there is a pushing force on the guide rod 31, so that the guide rod 31 moves away from the push rod 26, and there is a further pushing force on the pressure rod 32, because the pressure rod 32 is an inclined rod, during the movement of the pressure rod 32, there is a pushing force on the sliding block 33 away from the pressure bar 32, so as to achieve the effect of force conversion, and as the sliding block 33 moves, the fixing rod 34 has a pulling force, and due to the connection relationship between the fixing rod 34 and the fan blade 2, the fixing rod 34 is internally stretched, meanwhile, the fan blade 2 has partial pulling force, and due to the connection relationship between the moving block 21 and the fan blade 2, the wind power generation fan blade rotates along with the rotation process, if the rotating speed in the external environment is too high, the internal centrifugal force is automatically converted into the pulling force on the fan blades, so that the centrifugal force is offset, and the effect of reducing the pressure at the connection part of the fan blades is achieved;
s3, simultaneously, along with the movement of the moving block 21, if the speed is too high, the moving block 21 and the button 27 are connected with each other, and current is generated in the wind power generation, so that in the connection process of the moving block 21 and the button 27, the piezoelectric plate 59 is electrified, meanwhile, the weight of each fan blade of the wind power generation fan blade is different due to ice coating, and simultaneously, along with the rotation process, the centrifugal force is deviated during the rotation and cannot be counteracted mutually due to the inconsistent weight among the fan blades;
s4, therefore, in the process of rotation, the outer shaft 3 can have a deviated centrifugal force to the support shaft 5, when the centrifugal force of the outer shaft 3 rotates to the upper end of the support shaft 5, the force applied to the bottom of the support shaft 5 at the moment is the centrifugal force to offset the gravity of a part of fan blades, when the centrifugal force of the outer shaft 3 rotates to the bottom of the support shaft 5, the upper end of the support shaft 5 is combined with the centrifugal force, therefore, only the pressure on the left side and the right side of the support shaft 5 is generated when the outer shaft 3 generates the centrifugal force, therefore, when the outer shaft 3 generates the centrifugal force, the outer shaft 3 can have a pressure on the stress ball 51 in the process of rotation, so that the stress ball 51 has a thrust to the eccentric rod 54 through the ejector rod 53, the stress of the eccentric rod 54 is deviated, and the eccentric rod 54 is deflected;
s5, fulcrum effect through ball 56, thereby enlarge the power that eccentric rod 54 deflected, and then make eccentric rod 54 rear end drive pressure piece 58 carry out great removal, along with the removal of pressure piece 58, thereby there is a pressure to piezoelectric plate 59, thereby piezoelectric plate 59 inside produces induced-current along with the increase of pressure this moment, the electric current passes through the sensor and spreads into the controller, the controller is with signal transmission to cloud platform system, the cloud platform is with signal transmission to wireless module again, and then by the discovery of outsider, thereby reach and remind outside worker, the effect of the skew of wind power generation flabellum great degree takes place at the rotation in-process.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A wind driven generator blade detection device method comprises a base (1) and is characterized in that: base (1) top fixedly connected with back shaft (5), back shaft (5) surface swing joint has outer axle (3), outer axle (3) surface swing joint has flabellum (2), flabellum (2) and outer axle (3) are through connecting bolt (4) fixed connection.
2. The wind turbine blade detection device of claim 1, wherein: the fan blade is characterized in that a moving block (21) is arranged inside the fan blade (2), one side of the moving block (21) far away from the connecting bolt (4) is movably connected with a button (27), one side of the moving block (21) far away from the button (27) is fixedly connected with a connecting block (23), two ends of the connecting block (23) are fixedly connected with extension springs (22), a moving rod (24) is movably connected to the bottom of the connecting block (23), a rotating disc (25) is movably connected to the bottom of the moving rod (24), and a push rod (26) is movably connected to the bottom of the rotating disc (25).
3. The wind turbine blade detection device of claim 1, wherein: the inner side of the outer shaft (3) is provided with a guide rod (31), the bottom of the guide rod (31) is movably connected with a pressure rod (32), one side, away from the guide rod (31), of the pressure rod (32) is movably connected with a sliding block (33), and one side, away from the axis of the outer shaft (3), of the sliding block (33) is movably connected with a fixing rod (34).
4. The wind turbine blade detection device of claim 1, wherein: the supporting shaft (5) is internally provided with a stress ball (51), the outer wall of the stress ball (51) is movably connected with an elastic block (52) fixedly connected with the supporting shaft (5), the outer wall of the stress ball (51) is movably connected with an elastic block (52) fixedly connected with the supporting shaft (5), one side of the stress ball (51) close to the elastic block (52) is fixedly connected with a mandril (53), one side of the mandril (53) far away from the stress ball (51) is fixedly connected with an eccentric rod (54), the left end and the right end of the eccentric rod (54) are fixedly connected with a return spring (55), a round ball (56) is fixedly connected with the rear end of the eccentric rod (54), a support frame (57) is movably connected with the outer surface of the round ball (56), the rear end of the supporting frame (57) and the rear end of the eccentric rod (54) are movably connected with a pressure block (58), one end of the pressure block (58) far away from the eccentric rod (54) is movably connected with a piezoelectric plate (59).
5. The wind turbine blade detection device of claim 1, wherein: the one end that outer axle (3) was kept away from in connecting bolt (4) is fixed in flabellum (2) outer fixed surface and connects, flabellum (2) have threely, and the volume size is the same.
6. A wind turbine blade detection apparatus according to claim 3, wherein: the channel has been seted up to outer axle (3) inside, sliding block (33) are located inside the channel, pressure pole (32) are two, are located guide arm (31) left and right sides both ends respectively.
7. The wind turbine blade detection device of claim 4, wherein: one side that carousel (25) was kept away from in push rod (26) and one side swing joint of pressure pole (32) are kept away from in guide arm (31), outer axle (3) inside and atress ball (51) surface swing joint, atress ball (51) are located piezoelectric plate (59) front end, piezoelectric plate (59) inside swing joint has the sensor, sensor output and controller input signal of telecommunication connection, controller output and wireless connection input signal of telecommunication connection, wireless connection input and high in the clouds system input signal of telecommunication connection.
8. The wind turbine blade detection device of claim 4, wherein: the six stress balls (51) are evenly distributed around the axis of the support shaft (5), and the distance between the stress balls (51) and the round ball (56) is smaller than that between the piezoelectric plate (59) and the round ball (56).
9. The wind turbine blade detection device according to claim 1, wherein the wind turbine blade detection method comprises the following specific steps:
s1, when the small wind power generation fan blade is iced, and the surface is iced irregularly, the rotating speed is too high, at the same time, along with the rotation of the fan blade (2), the moving block (21) in the fan blade (2) also rotates together, at the same time, the moving block (21) has a centrifugal force far away from the outer shaft (3) in the rotation process to move the moving block (21), so that the moving block (21) is driven to move towards the direction of the button (27), and further has a pulling force on the connecting block (23), so that the moving rod (24) is stressed and stretched in the internal part, so that the elastic potential energy is gathered in the internal part, along with the movement of the connecting block (23), and along with the movement of the moving block (21), the moving rod (24) has a pulling force on the turntable (25), further the turntable (25) rotates, and along with the rotation of the turntable (25), and accordingly has a pushing force on the push rod (26), so that the push rod (26) moves away from the rotary disc (25);
s2, simultaneously, along with the movement of the push rod (26), a pushing force is provided for the guide rod (31), the guide rod (31) moves towards the direction far away from the push rod (26), further, the pressure rod (32) also has a pushing force, because the pressure rod (32) is an inclined rod, in the moving process of the pressure rod (32), the sliding block (33) has a pushing force far away from the pressure rod (32), the effect of force conversion is achieved, simultaneously, along with the movement of the sliding block (33), a pulling force is provided for the fixed rod (34), and due to the connection relationship between the fixed rod (34) and the fan blade (2), the fixed rod (34) stretches internally, and simultaneously, a part of the pulling force is provided for the fan blade (2), and due to the connection relationship between the moving block (21) and the fan blade (2), in the process of the rotation of the wind power generation fan blade, if the rotating speed is too fast due to the internal environment, the internal centrifugal force is automatically converted into the pulling force on the fan blades, so that the centrifugal force is counteracted, and the effect of the pressure at the connection part of the fan blades is reduced;
s3, simultaneously, along with the movement of the moving block (21), if the speed is too high, the moving block (21) is connected with the button (27), and current is generated in the wind power generation, so that in the connection process of the moving block (21) and the button (27), the piezoelectric plate (59) is electrified, meanwhile, the weight of each fan blade of the wind power generation fan blade is different due to ice coating, and simultaneously, along with the rotation process, the centrifugal force is deviated during the rotation due to the inconsistent weight among the fan blades and cannot be offset;
s4, so that during the rotation, the outer shaft (3) will have a deviating centrifugal force on the support shaft (5), when the centrifugal force of the outer shaft (3) rotates to the upper end of the supporting shaft (5), the force applied to the bottom of the supporting shaft (5) is the centrifugal force to offset the gravity of a part of fan blades, when the centrifugal force of the outer shaft (3) rotates to the bottom of the supporting shaft (5), the upper end of the supporting shaft (5) is combined with the centrifugal force by gravity, so that only the pressure on the left side and the right side of the supporting shaft (5) can be generated when the outer shaft (3) generates centrifugal force, so that when the outer shaft (3) generates centrifugal force, the outer shaft (3) has pressure on the stress ball (51) in the rotating process, so that the stressed ball (51) is stressed to have a thrust on the eccentric rod (54) through the mandril (53), so that the eccentric rod (54) is stressed to deflect, thereby causing the eccentric rod (54) to deflect;
s5, fulcrum effect through ball (56), thereby amplify the power that eccentric lever (54) deflected, and then make eccentric lever (54) rear end drive pressure piece (58) carry out great removal, along with the removal of pressure piece (58), thereby there is a pressure to piezoelectric plate (59), thereby piezoelectric plate (59) inside produces induced-current along with the increase of pressure this moment, the electric current passes through the sensor and spreads into the controller into, the controller is with signal transmission to cloud platform system, the cloud platform is with signal transmission to wireless module again, and then by outside personnel discovery, thereby reach and remind outside worker personnel, the effect of wind power generation flabellum in the skew of the great degree of rotation in-process emergence.
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| CN118125599A (en) * | 2024-04-16 | 2024-06-04 | 林海生态环境股份有限公司 | A mobile oxygenation platform for river ecological restoration |
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