CN112814839A - Wind power generation equipment with speed limiting function - Google Patents
Wind power generation equipment with speed limiting function Download PDFInfo
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- CN112814839A CN112814839A CN202110177428.3A CN202110177428A CN112814839A CN 112814839 A CN112814839 A CN 112814839A CN 202110177428 A CN202110177428 A CN 202110177428A CN 112814839 A CN112814839 A CN 112814839A
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- 238000010248 power generation Methods 0.000 title claims abstract description 74
- 230000000670 limiting effect Effects 0.000 title claims abstract description 53
- 230000005540 biological transmission Effects 0.000 claims abstract description 95
- 238000007789 sealing Methods 0.000 claims abstract description 34
- 239000000428 dust Substances 0.000 claims abstract description 30
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 74
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 230000002262 irrigation Effects 0.000 claims description 12
- 238000003973 irrigation Methods 0.000 claims description 12
- 241000883990 Flabellum Species 0.000 claims description 7
- 229910052793 cadmium Inorganic materials 0.000 claims description 4
- BDOSMKKIYDKNTQ-UHFFFAOYSA-N cadmium atom Chemical compound [Cd] BDOSMKKIYDKNTQ-UHFFFAOYSA-N 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 230000001360 synchronised effect Effects 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 3
- 238000001704 evaporation Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 230000002441 reversible effect Effects 0.000 description 3
- 238000013021 overheating Methods 0.000 description 2
- 230000009471 action 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
- 230000005611 electricity Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- 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
- F03D7/0276—Controlling wind motors the wind motors having rotation axis substantially parallel to the air flow entering the rotor controlling rotor speed, e.g. variable speed
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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
- F03D7/04—Automatic control; Regulation
- F03D7/041—Automatic control; Regulation by means of a mechanical governor
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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
- F03D80/50—Maintenance or repair
- F03D80/55—Cleaning
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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
- F03D80/60—Cooling or heating of wind motors
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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)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a wind power generation device with a speed limiting function, which comprises a fixed rod, a power generation box, fan blades, a transmission shaft and a generator, wherein the fixed rod is vertically arranged, the power generation box is shaped like a cuboid, the power generation box is arranged at the top end of the fixed rod, one side of the power generation box is provided with a mounting hole, the transmission shaft horizontally penetrates through the mounting hole, the transmission shaft is in sliding and sealing connection with the inner wall of the mounting hole, the generator is arranged in the power generation box, the fan blades are arranged outside the power generation box, the fan blades are arranged at one end of the transmission shaft, the generator is arranged at the other end of the transmission shaft, the power generation box is internally provided with a speed limiting mechanism, the top of the power generation box is provided with a dust removing mechanism, the wind power generation device with the speed limiting function realizes the speed limiting, and the function of removing dust on the fan blades is realized through the dust removing mechanism.
Description
Technical Field
The invention relates to the field of wind power generation, in particular to wind power generation equipment with a speed limiting 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 existing wind driven generator can generate more dust on the blades in the use process, the dust can easily cause the fan blades to be corroded and damaged, the practicability is reduced, and moreover, when the rotating speed of the wind driven generator exceeds the rated rotating speed of the generator, the generator is easily overheated and damaged, and the practicability 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 equipment with the speed limiting 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 speed limiting function comprises a fixed rod, a power generation box, fan blades, a transmission shaft and a generator, wherein the fixed rod is vertically arranged, the power generation box is shaped like a cuboid, the power generation box is arranged at the top end of the fixed rod, one side of the power generation box is provided with an installation hole, the transmission shaft horizontally penetrates through the installation hole, the transmission shaft is in sliding and sealing connection with the inner wall of the installation hole, the generator is arranged in the power generation box, the fan blades are arranged outside the power generation box, the fan blades are arranged at one end of the transmission shaft, the generator is arranged at the other end of the transmission shaft, a speed limiting mechanism is arranged in the power generation box, and a dust removing mechanism is;
the speed limiting mechanism comprises a moving ring, at least two transmission assemblies and at least two speed limiting assemblies, wherein the moving ring and a transmission shaft are coaxially arranged, the transmission shaft penetrates through the moving ring and is in sliding connection with the transmission shaft, the speed limiting assemblies are circumferentially and uniformly distributed on one side of the moving ring close to the fan blades by taking the axis of the transmission shaft as a center, the transmission assemblies are in one-to-one correspondence with the speed limiting assemblies, and one side of the moving ring close to the fan blades is connected with the transmission shaft through the transmission assemblies;
the speed limiting assembly comprises a fixed block, a moving rod, a first spring and balls, the moving rod is parallel to the transmission shaft, the fixed block is arranged on the inner wall of the power generation box, a connecting hole is formed in the fixed block, the moving rod penetrates through the connecting hole, the moving rod is in sliding connection with the inner wall of the connecting hole, the balls are arranged at one end, far away from the fan blades, of the fixed rod, the other end of the moving rod is connected with the inner wall, provided with the mounting hole, of the power generation box through the first spring, a circular groove is formed in one side, close to the fan blades, of the moving ring, the circular groove is coaxial with the transmission shaft, the center of each ball is arranged in the circular groove, the balls are matched with the circular groove, the balls are in sliding connection with the inner;
the dust removal mechanism comprises a dust removal assembly and an auxiliary assembly, and the auxiliary assembly is connected with the generator;
the dust removal assembly comprises a water tank, a power unit and an execution unit, the water tank is cuboid, the water tank is arranged at the top of the power generation box, and clear water is arranged in the water tank;
the execution unit comprises a water pipe, a nozzle, a first one-way valve and a second one-way valve, the top of the water tank is provided with an air hole and a round hole, the first one-way valve is installed in the air hole, the water pipe vertically penetrates through the round hole, the water pipe and the inner wall of the round hole are arranged in a sealing mode, the bottom end of the water pipe is located in clean water, the second one-way valve is installed in the water pipe, and a gap is formed between the water pipe and the bottom in the water tank;
the power unit comprises a supporting tube, a magnet disc, a second spring and at least two magnet blocks, the magnet blocks correspond to the blades of the fan blades one by one, the magnet block is arranged on one side of the blade close to the power generation box, one side of the shell close to the blade is provided with an assembly hole, the supporting tube is parallel to the transmission shaft and is positioned on one side of the fan blades close to the power generation box, the supporting tube penetrates through the assembly hole, the supporting tube and the inner wall of the assembly hole are arranged in a sealing manner, the magnet disc and the second spring are both arranged in the supporting tube, the magnet disc is connected with the inner wall of the supporting tube in a sliding and sealing way, one side of the magnet disc, which is far away from the fan blades, is connected with one end of the supporting tube, which is far away from the fan blades, through a second spring, the second spring is in a compression state, the magnet disc is opposite to one of the magnet blocks, and the magnetic poles on one side, close to each other, of the magnet disc and the magnet block are opposite.
Preferably, in order to realize the movement of the movable ring, the transmission assembly comprises a guide rod, a sliding block, a third spring and a connecting rod, the axis of the guide rod is perpendicular to and intersected with the axis of the transmission shaft, the guide rod is arranged on the transmission shaft, the sliding block is sleeved on the guide rod and is abutted against the transmission shaft, the sliding block is connected with the guide rod through the third spring, the sliding block is hinged to the movable ring through the connecting rod, and the distance between one end, close to the movable ring, of the connecting rod and the transmission shaft is smaller than the distance between the other end of the connecting rod and the transmission shaft.
As preferred, in order to promote the radiating effect of the generator, the auxiliary assembly comprises a heat conducting plate, an expansion block, a push rod, a sealing disc, a connecting pipe, a drip irrigation emitter, a through hole, an auxiliary hole, a first through hole and a second through hole, wherein the auxiliary hole is arranged on one side of the power generation box away from the fan blades, the heat conducting plate is perpendicular to the transmission shaft, the heat conducting plate is arranged on one side of the power generation box away from the fan blades and is in sealing connection with the auxiliary hole, the generator is arranged on the heat conducting plate, the through hole is arranged on one side of the water tank away from the fan blades, the connecting pipe is parallel to the transmission shaft, the through hole is penetrated through by the connecting pipe, the inner wall of the connecting pipe and the through hole is in sealing arrangement, the drip irrigation emitter is arranged at one end of the connecting pipe away from the fan blades, the, sealed dish and connecting pipe sealing connection, first through hole sets up the top at the power generation box, the second through hole sets up the bottom at the water tank, the vertical setting of push rod, first through hole and second through hole are passed to push rod one side, the push rod slides and sealing connection with first through hole's inner wall, the push rod slides and sealing connection with the inner wall of second through hole, sealed dish is connected with the top of push rod, the inflation piece sets up on the inner wall of power generation box, the inflation piece supports with the bottom of push rod and leans on.
Preferably, in order to improve the reliability of the expansion block for pushing the push rod to move, the expansion block is made of cadmium.
Preferably, in order to prevent the magnet disc from being separated from the supporting block, a limiting block is arranged in the supporting tube and located on one side, close to the fan blades, of the magnet disc, the limiting block is arranged on the inner wall of the supporting tube, and a gap is formed between the limiting block and the magnet disc.
Preferably, in order to facilitate the installation of the moving rod, both ends of the moving rod are provided with chamfers.
The wind power generation equipment with the speed limiting function has the advantages that the speed limiting function is realized through the speed limiting mechanism, the generator is prevented from being damaged due to overheating, compared with the existing speed limiting mechanism, the speed limiting mechanism limits the rotating speed of the transmission shaft in a mechanical mode, the anti-interference capacity is higher, in addition, the function of clearing dust on fan blades is realized through the dust removing mechanism, compared with the existing dust removing mechanism, the dust removing mechanism can also improve the heat dissipation effect of the generator, and the practicability is higher.
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 having a speed limiting function according to the present invention;
FIG. 2 is a schematic structural view of a speed limiting assembly of the wind power plant having a speed limiting function of the present invention;
FIG. 3 is a schematic view showing the construction of a dust removing unit of a wind power plant having a speed limiting function according to the present invention;
FIG. 4 is a schematic structural view of a transmission assembly of the wind power plant having a speed limiting function of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 1;
in the figure: 1. the device comprises a fixed rod, 2, a power generation box, 3, fan blades, 4, a transmission shaft, 5, a power generator, 6, a movable ring, 7, a fixed block, 8, a movable rod, 9, a first spring, 10, a ball, 11, a water tank, 12, a water pipe, 13, a nozzle, 14, a first one-way valve, 15, a second one-way valve, 16, a support pipe, 17, a magnet disc, 18, a second spring, 19, a magnet block, 20, a guide rod, 21, a sliding block, 22, a third spring, 23, a connecting rod, 24, a heat conduction plate, 25, an expansion block, 26, a push rod, 27, a sealing disc, 28, a connecting pipe, 29, a drip irrigation emitter and 30 and a limiting block.
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. 1-2, a wind power generation device with a speed limiting function comprises a fixed rod 1, a power generation box 2, fan blades 3, a transmission shaft 4 and a generator 5, wherein the fixed rod 1 is vertically arranged, the power generation box 2 is shaped like a cuboid, the power generation box 2 is arranged at the top end of the fixed rod 1, one side of the power generation box 2 is provided with an installation hole, the transmission shaft 4 horizontally penetrates through the installation hole, the transmission shaft 4 is in sliding and sealing connection with the inner wall of the installation hole, the generator 5 is arranged in the power generation box 2, the fan blades 3 are arranged outside the power generation box 2, the fan blades 3 are arranged at one end of the transmission shaft 4, the generator 5 is arranged at the other end of the transmission shaft 4, a speed limiting mechanism is arranged in the power generation box 2, and a dust removing mechanism;
the speed limiting mechanism comprises a moving ring 6, at least two transmission assemblies and at least two speed limiting assemblies, wherein the moving ring 6 and a transmission shaft 4 are coaxially arranged, the transmission shaft 4 penetrates through the moving ring 6, the moving ring 6 is in sliding connection with the transmission shaft 4, the speed limiting assemblies are circumferentially and uniformly distributed on one side, close to the fan blades 3, of the moving ring 6 by taking the axis of the transmission shaft 4 as a center, the transmission assemblies are in one-to-one correspondence with the speed limiting assemblies, and one side, close to the fan blades 3, of the moving ring 6 is connected with the transmission shaft 4 through the transmission assemblies;
the speed limiting component comprises a fixed block 7, a movable rod 8, a first spring 9 and a ball 10, the movable rod 8 is parallel to the transmission shaft 4, the fixed block 7 is arranged on the inner wall of the power generation box 2, the fixed block 7 is provided with a connecting hole, the moving rod 8 penetrates through the connecting hole, the moving rod 8 is connected with the inner wall of the connecting hole in a sliding manner, the ball 10 is arranged at one end of the fixed rod 1 far away from the fan blade 3, the other end of the movable rod 8 is connected with the inner wall of the power generation box 2 at the side provided with the mounting hole through a first spring 9, one side of the moving ring 6 close to the fan blades 3 is provided with an annular groove which is coaxial with the transmission shaft 4, the center of the ball 10 is arranged in the annular groove, the ball 10 is matched with the annular groove, the ball 10 is connected with the inner wall of the annular groove in a sliding manner, and the spherical diameter of the ball 10 is larger than the width of the notch of the annular groove;
during the use of the device, the fan blades 3 are rotated by ambient wind power, the transmission shaft 4 is rotated by the rotation of the fan blades 3, the generator 5 can be operated to realize power generation, in addition, the rotation of the transmission shaft 4 drives the movable ring 6 to realize synchronous rotation through the transmission assembly, the relative movement between the balls 10 and the annular groove can be realized, when the rotating speed of the transmission shaft 4 exceeds the rated rotating speed of the generator 5, the movable ring 6 moves towards the direction far away from the fan blades 3 through the transmission assembly, the movable rod 8 synchronously moves on the fixed block 7 by the movement of the movable ring 6 through the balls 10, the first spring 9 is compressed, the balls 10 can generate pulling force on the movable ring 6 through the elastic acting force of the first spring 9, the friction force between the balls 10 and the annular groove can be increased, the load of the fan blades 3 can be improved, the rotating speed of the fan blades 3 can be reduced, and the generator 5 can be prevented, when the rotating speed of the fan blade 3 is reduced, the moving ring 6 moves reversely through the transmission assembly to realize reset, the reset of the moving ring 6 drives the moving rod 8 to reset through the ball 10, and the first spring 9 can be recovered.
As shown in fig. 3, the dust removing mechanism comprises a dust removing component and an auxiliary component, and the auxiliary component is connected with the generator 5;
the dust removal assembly comprises a water tank 11, a power unit and an execution unit, the water tank 11 is cuboid, the water tank 11 is arranged at the top of the power generation box 2, and clear water is arranged in the water tank 11;
the execution unit comprises a water pipe 12, a nozzle 13, a first one-way valve 14 and a second one-way valve 15, the top of the water tank 11 is provided with an air hole and a round hole, the first one-way valve 14 is installed in the air hole, the water pipe 12 vertically penetrates through the round hole, the water pipe 12 and the inner wall of the round hole are arranged in a sealing mode, the bottom end of the water pipe 12 is located in clean water, the second one-way valve 15 is installed in the water pipe 12, and a gap is formed between the water pipe 12 and the bottom of the water tank 11;
the power unit comprises a support pipe 16, a magnet disc 17, a second spring 18 and at least two magnet blocks 19, the magnet blocks 19 correspond to blades of the fan blades 3 one by one, the magnet blocks 19 are arranged on one side, close to the power generation box 2, of the blades, assembly holes are formed in one side, close to the fan blades 3, of the shell, the support pipe 16 is parallel to the transmission shaft 4, the support pipe 16 is located on one side, close to the power generation box 2, of the fan blades 3, the support pipe 16 penetrates through the assembly holes, the support pipe 16 and the inner wall of the assembly holes are arranged in a sealing mode, the magnet disc 17 and the second spring 18 are both arranged in the support pipe 16, the magnet disc 17 is connected with the inner wall of the support pipe 16 in a sliding and sealing mode, one side, far away from the fan blades 3, of the magnet disc 17 is connected with one end, far away from the fan blades 3, of the support pipe 16 through the second spring 18, the second, the magnet disk 17 and the magnet block 19 are opposite in magnetic pole on the side close to each other.
During the rotation of the fan blade 3, the magnet block 19 is driven to synchronously rotate, when the distance between the magnet block 19 and the magnet disc 17 is increased, the repulsive force between the magnet disc 17 and the magnet block 19 is reduced, and the magnet disc 17 moves towards the direction close to the fan blade 3 by the elastic action of the second spring 18, air can only be conveyed into the water tank 11 from the air hole by the one-way characteristic of the second one-way valve 15, when the distance between the magnet block 19 and the magnet disc 17 is reduced, the magnet disc 17 can be subjected to the thrust towards the direction away from the fan blade 3, and the second spring 18 is compressed, and at this time, the air cannot be discharged from the air hole by the one-way characteristic of the first one-way valve 14, namely, the pressure in the water tank 11 can be increased, the clean water in the water tank 11 can be conveyed from the water pipe 12 to the nozzle 13 by the pressure and acts on the fan blade 3 to be sprayed out to the fan blade 3, so that the clean water, therefore, the dust on the fan blades 3 can be dissolved in the clean water and fall off along with the clean water, and the dust removal function can be realized.
As shown in fig. 4, the transmission assembly includes a guide rod 20, a slider 21, a third spring 22 and a connecting rod 23, the axis of the guide rod 20 is perpendicular to and intersects with the axis of the transmission shaft 4, the guide rod 20 is disposed on the transmission shaft 4, the slider 21 is sleeved on the guide rod 20, the slider 21 abuts against the transmission shaft 4, the slider 21 is connected with the guide rod 20 through the third spring 22, the slider 21 is hinged to the moving ring 6 through the connecting rod 23, and the distance between one end of the connecting rod 23 close to the moving ring 6 and the transmission shaft 4 is smaller than the distance between the other end of the connecting rod 23 and the transmission shaft 4.
The rotation of the transmission shaft 4 drives the movable ring 6 to synchronously rotate through the guide rod 20, the sliding block 21 and the connecting rod 23, when the rotation speed of the transmission shaft 4 exceeds the rated rotation speed of the generator 5, the centrifugal force applied to the sliding block 21 is greater than the elastic acting force of the third spring 22, so that the sliding block 21 can move on the guide rod 20 towards the direction far away from the transmission shaft 4, the third spring 22 is compressed, the sliding block 21 moves through the connecting rod 23 to drive the movable ring 6 to move towards the direction far away from the fan blades 3, and after the rotation speed of the transmission shaft 4 is reduced, the sliding block 21 reversely moves through the elastic coefficient of the third spring 22.
As shown in fig. 5, the auxiliary component includes a heat conducting plate 24, an expansion block 25, a push rod 26, a sealing disc 27, a connecting pipe 28, a drip irrigation emitter 29, a through hole, an auxiliary hole, a first through hole and a second through hole, the auxiliary hole is disposed on one side of the power generation box 2 away from the fan blade 3, the heat conducting plate 24 is perpendicular to the transmission shaft 4, the heat conducting plate 24 is disposed on one side of the power generation box 2 away from the fan blade 3, the heat conducting plate 24 is hermetically connected with the auxiliary hole, the power generator 5 is disposed on the heat conducting plate 24, one side of the water box 11 away from the fan blade 3 is provided with the through hole, the connecting pipe 28 is parallel to the transmission shaft 4, the connecting pipe 28 passes through the through hole, the connecting pipe 28 is hermetically disposed on the inner wall of the through hole, the drip irrigation emitter 29 is disposed on one end of the connecting pipe 28 away from the, seal dish 27 and connecting pipe 28's one end that is close to flabellum 3 supports, seal dish 27 and connecting pipe 28 sealing connection, first through-hole sets up the top at power generation box 2, the second through-hole sets up the bottom at water tank 11, the vertical setting of push rod 26, first through-hole and second through-hole are passed to push rod 26 one side, push rod 26 slides and sealing connection with first through-hole's inner wall, push rod 26 slides and sealing connection with the inner wall of second through-hole, seal dish 27 is connected with push rod 26's top, inflation piece 25 sets up on power generation box 2's inner wall, inflation piece 25 supports with push rod 26's bottom and supports.
The heat generated by the generator 5 can be transferred to the expansion block 25, the expansion block 25 expands under heat and pushes the push rod 26 to move upwards, the movement of the push rod 26 drives the sealing disc 27 to realize synchronous movement, when the generator 5 is overheated, the sealing disc 27 is moved to prevent the connection pipe 28 from being sealed, and at this time, the water in the water tank 11 is transferred from the connection pipe 28 to the drip irrigation emitter 29, and then drops from the drip irrigation emitter 29 onto the heat conducting plate 24, the heat generated by the generator 5 is transferred to the heat conducting plate 24, and the heat on the heat conducting plate 24 can be absorbed by water, so that the heat dissipation effect of the generator 5 is improved, moreover, the water is heated and evaporated, the evaporation can absorb the heat on the heat conducting plate 24, the heat dissipation effect of the generator 5 is further improved, when the temperature of the generator 5 is lowered, the volume of the expansion block 25 is reduced, and the sealing disc 27 can move reversely to seal the connecting pipe 28.
Preferably, in order to improve the reliability of the expansion block 25 in pushing the push rod 26, the material of the expansion block 25 is cadmium.
The expansion coefficient of cadmium is high, the volume change after thermal expansion is large, and the reliability of the expansion block 25 for pushing the push rod 26 to move can be improved.
Preferably, in order to prevent the magnet disc 17 from being separated from the support block, a limit block 30 is disposed in the support tube 16, the limit block 30 is located on one side of the magnet disc 17 close to the fan blades 3, the limit block 30 is disposed on the inner wall of the support tube 16, and a gap is disposed between the limit block 30 and the magnet disc 17.
The stopper 30 prevents the magnet disc 17 from moving excessively toward the fan blades 3 to separate the magnet disc 17 from the support tube 16, thereby achieving a limiting effect.
Preferably, in order to facilitate the installation of the moving rod 8, both ends of the moving rod 8 are provided with chamfers.
The chamfer angle is used for reducing the caliber of the moving rod 8 when the moving rod passes through the connecting hole, and the effect of convenient installation is achieved.
During the use of the device, the fan blades 3 are rotated by ambient wind power, the transmission shaft 4 is rotated by the rotation of the fan blades 3, the generator 5 can be operated to generate electricity, the rotation of the transmission shaft 4 drives the moving ring 6 to synchronously rotate through the guide rod 20, the slide block 21 and the connecting rod 23, the relative movement between the ball 10 and the annular groove can be generated, when the rotating speed of the transmission shaft 4 exceeds the rated rotating speed of the generator 5, the centrifugal force applied to the slide block 21 is greater than the elastic acting force of the third spring 22, the slide block 21 can move on the guide rod 20 in the direction away from the transmission shaft 4 and compress the third spring 22, the moving of the slide block 21 drives the moving ring 6 to move in the direction away from the fan blades 3 through the connecting rod 23, the moving of the moving ring 6 enables the moving rod 8 to synchronously move on the fixed block 7 through the ball 10 and compress the first spring 9, the balls 10 can generate pulling force to the moving ring 6 by the elastic acting force of the first spring 9, that is, the friction force between the balls 10 and the annular groove can be increased, the load of the fan blade 3 can be increased, that is, the rotating speed of the fan blade 3 can be reduced, the generator 5 can be prevented from being damaged due to overheating, when the rotating speed of the fan blade 3 is reduced, the slide block 21 can move reversely by the elastic coefficient of the third spring 22, the reverse movement of the slide block 21 can realize the reset by the reverse movement of the moving ring 6 by the connecting rod 23, the reset of the moving ring 6 can realize the reset of the moving rod 8 by the balls 10, that is, the first spring 9 can be recovered, and during the rotation of the fan blade 3, the magnet block 19 is driven to realize synchronous rotation, when the distance between the magnet block 19 and the magnet disc 17 is increased, at this time, the mutually repulsive acting force between the magnet disc 17 and the magnet block 19 is reduced, and the magnet disc 17 moves, the air can be only conveyed into the water tank 11 from the air hole through the one-way characteristic of the second one-way valve 15, when the distance between the magnet block 19 and the magnet disc 17 is reduced, the magnet disc 17 can be pushed away from the fan blade 3 and the second spring 18 is compressed, at the moment, through the one-way characteristic of the first one-way valve 14, the air cannot be discharged from the air hole, namely, the pressure in the water tank 11 can be increased, the clear water in the water tank 11 can be conveyed to the nozzle 13 from the water pipe 12 and sprayed out towards the fan blade 3 through the pressure, the clear water acts on the fan blade 3, so that the dust on the fan blade 3 can be dissolved in the clear water and fall along with the clear water, the dust removal function can be realized, the heat generated by the generator 5 can be transferred to the expansion block 25, the expansion block 25 is heated to expand and push the push rod 26 to move upwards, the movement of the push rod 26 drives the sealing disc 27 to realize synchronous, and when generator 5 is overheated, can't realize sealing to connecting pipe 28 after sealed dish 27 removes, at this moment, the water in the water tank 11 is then carried to drip irrigation emitter 29 from connecting pipe 28, again from drip irrigation emitter 29 drippage on heat-conducting plate 24, the heat that generator 5 produced is then transmitted to on the heat-conducting plate 24, can absorb the heat on the heat-conducting plate 24 through water, promote generator 5's radiating effect, and, evaporation after the water heating, the heat on the heat-conducting plate 24 can be absorbed in the evaporation, further promote generator 5's radiating effect, and after generator 5's temperature reduces, then the expansion block 25 volume reduces, can make sealed dish 27 reverse movement realize sealing to connecting pipe 28 promptly.
Compared with the prior art, this wind power generation equipment with speed limit function has realized the function of speed limit through speed limiting mechanism, prevent that generator 5 is overheated and damage, compare with current speed limiting mechanism, this speed limiting mechanism limits transmission shaft 4's rotational speed through mechanical means, the interference killing feature is stronger, moreover, still realize the function of cleaing away the dust on flabellum 3 through dust removal mechanism, compare with current dust removal mechanism, this dust removal mechanism can also promote generator 5's radiating effect, the practicality is stronger.
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 (6)
1. The utility model provides a wind power generation equipment with speed limit function, includes dead lever (1), power generation box (2), flabellum (3), transmission shaft (4) and generator (5), dead lever (1) vertical setting, the shape of power generation box (2) is the cuboid, power generation box (2) set up the top at dead lever (1), one side of power generation box (2) is equipped with the mounting hole, transmission shaft (4) level passes the mounting hole, transmission shaft (4) and the inner wall of mounting hole slip and sealing connection, generator (5) set up in power generation box (2), flabellum (3) set up the outside at power generation box (2), the one end at transmission shaft (4) is installed to flabellum (3), the other end at transmission shaft (4) is installed to generator (5), its characterized in that, be equipped with the speed limit mechanism in power generation box (2), the top of the power generation box (2) is provided with a dust removal mechanism;
the speed limiting mechanism comprises a moving ring (6), at least two transmission assemblies and at least two speed limiting assemblies, wherein the moving ring (6) and a transmission shaft (4) are coaxially arranged, the transmission shaft (4) penetrates through the moving ring (6), the moving ring (6) is in sliding connection with the transmission shaft (4), the speed limiting assemblies are circumferentially and uniformly distributed on one side, close to the fan blades (3), of the moving ring (6) by taking the axis of the transmission shaft (4) as a center, the transmission assemblies correspond to the speed limiting assemblies one by one, and one side, close to the fan blades (3), of the moving ring (6) is connected with the transmission shaft (4) through the transmission assemblies;
the speed-limiting assembly comprises a fixed block (7), a moving rod (8), a first spring (9) and balls (10), the moving rod (8) is parallel to the transmission shaft (4), the fixed block (7) is arranged on the inner wall of the power generation box (2), connecting holes are formed in the fixed block (7), the moving rod (8) penetrates through the connecting holes, the moving rod (8) is connected with the inner wall of the connecting holes in a sliding mode, the balls (10) are arranged at one end, far away from the fan blades (3), of the fixed rod (1), the other end of the moving rod (8) is connected with the inner wall, provided with one side of the mounting hole, of the power generation box (2) through the first spring (9), an annular groove is formed in one side, close to the fan blades (3), of the moving ring groove is coaxially arranged with the transmission shaft (4), the center of the balls (10) is arranged in the annular groove, and the balls (10) are matched with, the ball (10) is connected with the inner wall of the annular groove in a sliding mode, and the ball diameter of the ball (10) is larger than the width of the notch of the annular groove;
the dust removal mechanism comprises a dust removal assembly and an auxiliary assembly, and the auxiliary assembly is connected with the generator (5);
the dust removal assembly comprises a water tank (11), a power unit and an execution unit, the water tank (11) is cuboid, the water tank (11) is arranged at the top of the power generation box (2), and clear water is arranged in the water tank (11);
the execution unit comprises a water pipe (12), a nozzle (13), a first one-way valve (14) and a second one-way valve (15), an air hole and a round hole are formed in the top of the water tank (11), the first one-way valve (14) is installed in the air hole, the water pipe (12) vertically penetrates through the round hole, the water pipe (12) and the inner wall of the round hole are arranged in a sealing mode, the bottom end of the water pipe (12) is located in clear water, the second one-way valve (15) is installed in the water pipe (12), and a gap is formed between the water pipe (12) and the bottom of the water tank (11);
the power unit comprises a support pipe (16), a magnet disc (17), a second spring (18) and at least two magnet blocks (19), the magnet blocks (19) correspond to blades of fan blades (3) one by one, the magnet blocks (19) are arranged on one sides of the blades close to the power generation box (2), one side of the shell close to the fan blades (3) is provided with an assembly hole, the support pipe (16) is parallel to the transmission shaft (4), the support pipe (16) is located on one side of the fan blades (3) close to the power generation box (2), the support pipe (16) penetrates through the assembly hole, the support pipe (16) is hermetically arranged on the inner wall of the assembly hole, the magnet disc (17) and the second spring (18) are both arranged in the support pipe (16), the magnet disc (17) is connected with the inner wall of the support pipe (16) in a sliding and sealing mode, one side of the magnet disc (17) far away from the fan blades (3) passes through the second spring (18) and the support pipe (16), and one side of the support pipe ( The end connection, second spring (18) are in compression state, magnet dish (17) just to setting up with one of them magnet piece (19), magnet dish (17) and magnet piece (19) are close to each other one side opposite magnetic pole.
2. The wind power generation equipment with the speed limiting function according to claim 1, wherein the transmission assembly comprises a guide rod (20), a sliding block (21), a third spring (22) and a connecting rod (23), the axis of the guide rod (20) is perpendicular to and intersected with the axis of the transmission shaft (4), the guide rod (20) is arranged on the transmission shaft (4), the sliding block (21) is sleeved on the guide rod (20), the sliding block (21) abuts against the transmission shaft (4), the sliding block (21) is connected with the guide rod (20) through the third spring (22), the sliding block (21) is hinged to the moving ring (6) through the connecting rod (23), and the distance between one end of the connecting rod (23), close to the moving ring (6), and the transmission shaft (4) is smaller than the distance between the other end of the connecting rod (23) and the transmission shaft (4).
3. The wind power generation device with the speed limiting function according to claim 1, wherein the auxiliary assembly comprises a heat conducting plate (24), an expansion block (25), a push rod (26), a sealing plate (27), a connecting pipe (28), a drip irrigation emitter (29), a through hole, an auxiliary hole, a first through hole and a second through hole, the auxiliary hole is arranged on one side of the power generation box (2) far away from the fan blade (3), the heat conducting plate (24) is perpendicular to the transmission shaft (4), the heat conducting plate (24) is arranged on one side of the power generation box (2) far away from the fan blade (3), the heat conducting plate (24) is hermetically connected with the auxiliary hole, the power generator (5) is arranged on the heat conducting plate (24), the side of the water tank (11) far away from the fan blade (3) is provided with the through hole, the connecting pipe (28) is parallel to the transmission shaft (4), and the connecting pipe (28, the inner wall of connecting pipe (28) and through-hole seals the setting, drip irrigation emitter (29) is installed in the one end of keeping away from flabellum (3) of connecting pipe (28), drip irrigation emitter (29) is just to setting up with heat-conducting plate (24), the diameter of sealed dish (27) equals with the external diameter of connecting pipe (28), sealed dish (27) support with the one end that is close to flabellum (3) of connecting pipe (28) and lean on, sealed dish (27) and connecting pipe (28) sealing connection, first through-hole sets up the top at power generation box (2), the second through-hole sets up the bottom at water tank (11), push rod (26) vertical setting, first through-hole and second through-hole are passed to push rod (26) one side, push rod (26) slide and sealing connection with first through-hole's inner wall, push rod (26) slide and sealing connection with the inner wall of second through-hole, the sealing disc (27) is connected with the top end of the push rod (26), the expansion block (25) is arranged on the inner wall of the power generation box (2), and the expansion block (25) abuts against the bottom end of the push rod (26).
4. Wind power plant with speed limiting function according to claim 3, characterized in that the material of the expansion mass (25) is cadmium.
5. The wind power generation device with the speed limiting function according to claim 1, wherein a limiting block (30) is arranged in the support pipe (16), the limiting block (30) is positioned on one side of the magnet disc (17) close to the fan blades (3), the limiting block (30) is arranged on the inner wall of the support pipe (16), and a gap is arranged between the limiting block (30) and the magnet disc (17).
6. Wind power plant with speed limiting function according to claim 1 characterized in that the moving bar (8) is chamfered at both ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110177428.3A CN112814839A (en) | 2021-02-07 | 2021-02-07 | Wind power generation equipment with speed limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110177428.3A CN112814839A (en) | 2021-02-07 | 2021-02-07 | Wind power generation equipment with speed limiting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112814839A true CN112814839A (en) | 2021-05-18 |
Family
ID=75864610
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110177428.3A Withdrawn CN112814839A (en) | 2021-02-07 | 2021-02-07 | Wind power generation equipment with speed limiting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112814839A (en) |
-
2021
- 2021-02-07 CN CN202110177428.3A patent/CN112814839A/en not_active Withdrawn
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Application publication date: 20210518 |