CN117267051A - Rotating speed protection device of small wind power equipment - Google Patents
Rotating speed protection device of small wind power equipment Download PDFInfo
- Publication number
- CN117267051A CN117267051A CN202311552863.5A CN202311552863A CN117267051A CN 117267051 A CN117267051 A CN 117267051A CN 202311552863 A CN202311552863 A CN 202311552863A CN 117267051 A CN117267051 A CN 117267051A
- Authority
- CN
- China
- Prior art keywords
- wall
- fixedly connected
- wind power
- sleeve
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000007246 mechanism Effects 0.000 claims abstract description 57
- 230000008878 coupling Effects 0.000 claims abstract description 4
- 238000010168 coupling process Methods 0.000 claims abstract description 4
- 238000005859 coupling reaction Methods 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 10
- 241000883990 Flabellum Species 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 210000003437 trachea Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
-
- 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
- F03D9/10—Combinations of wind motors with apparatus storing energy
- F03D9/11—Combinations of wind motors with apparatus storing energy storing electrical energy
-
- 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
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/101—Purpose of the control system to control rotational speed (n)
-
- 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
- F05B2270/00—Control
- F05B2270/10—Purpose of the control system
- F05B2270/103—Purpose of the control system to affect the output of the engine
- F05B2270/1033—Power (if explicitly mentioned)
-
- 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
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/304—Spool rotational speed
-
- 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
- F05B2270/00—Control
- F05B2270/30—Control parameters, e.g. input parameters
- F05B2270/32—Wind speeds
Abstract
The invention discloses a rotating speed protection device of small-sized wind power equipment, which relates to the technical field of wind power equipment and comprises a supporting sleeve, wherein the top of the supporting sleeve is rotationally connected with a rotating shaft, the outer wall of the top of the rotating shaft is fixedly provided with an adjusting mechanism, the other end of the adjusting mechanism is fixedly connected with a fan blade, the bottom end of the rotating shaft is fixedly connected with a gear box, the output end of the gear box is fixedly connected with a wind power generator through a coupling, the bottom of the wind power generator is provided with a storage battery, the wind power generator is electrically connected with the storage battery, and the top of the rotating shaft is fixedly provided with a control mechanism.
Description
Technical Field
The invention relates to the technical field of wind power equipment, in particular to a rotating speed protection device of small wind power equipment.
Background
Wind energy is one of the important sources of clean energy. In recent years, with the high-speed development of wind power generators, wind energy has attracted more and more attention, and wind power generation amount has also increased year by year. Many countries and regions are planning to develop the wind power industry. Wind turbines currently used in the wind power industry can be divided into two types, i.e., horizontal Axis Wind Turbines (HAWTs) and Vertical Axis Wind Turbines (VAWTs), according to the direction of their rotational axis.
The vertical axis wind driven generators are small wind driven generators, are generally household-grade, and are often in complicated air flow conditions, but due to cost reasons, the vertical axis wind driven generators are not provided with omnidirectional wind detection speed limiting safety devices, when the strength of gusts in all directions is over-limited, the rotation speed is too fast to damage the balance of the output power of the wind driven generators, and the over-power of the wind driven generators causes fire disasters, so that the service life of wind driven generators is reduced.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a rotating speed protection device of small-sized wind power equipment.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a rotational speed protection device of small-size wind power equipment, includes support sleeve, support sleeve's top rotation is connected with the pivot, the top outer wall fixed mounting of pivot has adjustment mechanism, adjustment mechanism's the other end fixedly connected with flabellum, the bottom fixedly connected with gear box of pivot, the output of gear box passes through shaft coupling fixedly connected with wind-powered electricity generation generator, wind-powered electricity generation generator's bottom is provided with storage battery, wind-powered electricity generation generator and storage battery electric connection, the top fixed mounting of pivot has control mechanism, support sleeve's inside fixed mounting has the dead mechanism of lock, the dead mechanism of lock cup joints each other with the pivot, support sleeve's inner wall fixed mounting has main control unit.
Preferably, the inside fixed mounting of support sleeve has the pneumatic pump, pneumatic pump and main control unit electric connection, the gas pocket has been seted up to support telescopic outer wall, the first trachea of output fixedly connected with of pneumatic pump, first tracheal other end is through three way connection fixedly connected with second trachea, third trachea, support telescopic top fixed mounting has the gas electric slip ring, the expansion end of gas electric slip ring is fixed cup jointing with the outer wall of pivot.
Preferably, the four adjusting mechanisms and the four fan blades are arranged at equal intervals along the axis of the rotating shaft.
Preferably, the adjusting mechanism comprises a sleeve, one end of the sleeve is fixedly connected with the outer wall of the rotating shaft, a movable rod is sleeved in the sleeve in a sliding manner, one end of the movable rod is fixedly connected with the fan blade, the other end of the movable rod is fixedly connected with a first piston, the first piston is in sliding connection with the sleeve, a through hole is formed in the rotating shaft, the rotating shaft is mutually communicated with the sleeve through the through hole, and movable supports are arranged on two sides of the sleeve.
Preferably, the movable support comprises a fixed ring, the fixed ring is fixedly sleeved with the rotating shaft, the outer wall of the fixed ring is fixedly connected with a sliding rod, the outer wall of the sliding rod is sleeved with a first spring, the outer wall of the sliding rod is slidably connected with a sliding block, the outer wall of the sliding block is movably connected with a connecting rod, and the other end of the connecting rod is movably connected with the outer wall of the fan blade.
Preferably, the other end of the third air pipe is communicated with the input end of the gas-electric slip ring, the output end of the gas-electric slip ring is communicated with the through hole through the rotating shaft, a second gas electromagnetic valve and a second safety valve are fixedly arranged on the outer wall of the third air pipe, and the second gas electromagnetic valve and the second safety valve are electrically connected with the main controller.
Preferably, the control mechanism comprises a connecting bar, a mounting groove is formed in the connecting bar, a second spring is mounted in the mounting groove, one end of the second spring is fixedly connected with the connecting bar, a contact block is fixedly connected with the other end of the second spring, a contact switch is mounted in the mounting groove, the contact switch corresponds to the contact block, and the contact switch is electrically connected with the main controller through an electrical slip ring.
Preferably, the locking mechanism comprises a cover plate and an installation box, the cover plate is fixedly connected with the installation box through bolts, the installation box is fixedly connected with the inside of the supporting sleeve, the outer wall of the rotating shaft is fixedly connected with a convex strip, the outer wall of the rotating shaft and the convex strip is sleeved with a jacket ring, the jacket ring is positioned in the installation box, the outer side wall of the jacket ring is fixedly connected with a bulge, the installation box is fixedly installed with an installation seat, the outer wall of the installation seat is fixedly installed with a shell, two sides of the shell are fixedly connected with connecting pipes, the inside of the shell is slidably connected with a second piston, the outer wall of the second piston is fixedly connected with a convex rod, the outer wall of the convex rod is sleeved with a third spring, and the other end of the convex rod penetrates and extends to the outer part of the shell.
Preferably, the protrusion, the mounting seat, the housing, the connecting pipe, the protruding rod, the third spring and the second piston are all multiple, the protrusion, the mounting seat, the housing, the connecting pipe, the protruding rod, the third spring and the second piston are all arranged at equal intervals along the axis of the rotating shaft, the plurality of housings are connected in series through the connecting pipe, and the protruding rod corresponds to the protrusion.
Preferably, the other end of the second air pipe is communicated with the connecting pipe through a three-way joint, a first air solenoid valve and a first safety valve are fixedly arranged on the outer wall of the second air pipe, and the first air solenoid valve and the first safety valve are electrically connected with the main controller.
The beneficial effects of the invention are as follows:
1. according to the invention, through the design of the control mechanism, when the external wind speed is too high, the rotating speed of the rotating shaft is increased, the rotating shaft drives the control mechanism to rotate, the contact block moves outwards under the action of centrifugal force, and meanwhile, the second spring in the connecting strip is stretched to enable the contact block to be in contact with the contact switch, and when the wind speed is in a reasonable state, the contact block is not in contact with the contact switch under the action of the elastic force of the second spring, so that the rotating speed of the rotating shaft is monitored in real time.
2. According to the invention, through the design of the adjusting mechanism, the adjusting mechanism can drive the fan blades to extend or retract, and the wind-receiving area of the fan blades and the adjusting mechanism can be changed, so that the rotating speed of the rotating shaft is adjusted, and the rotating speed of the rotating shaft is in a reasonable state, so that the balance of the output power of the wind power generator is maintained.
3. According to the invention, through the design of the locking mechanism, when the wind speed is too high, the locking mechanism can lock the rotating shaft, so that the rotating shaft stops rotating, the wind power generator is protected, the phenomenon that the self balance of the wind power generator is damaged due to too high rotating speed of the rotating shaft is avoided, and the fire disaster caused by the over-power of the wind power generator is avoided.
Drawings
Fig. 1 is a schematic structural diagram of a rotation speed protection device of a small wind power device.
Fig. 2 is a schematic structural diagram of a fan blade, a gear box and a wind power generator of a rotation speed protection device of a small wind power device.
Fig. 3 is a schematic structural diagram of a pneumatic pump, a first air pipe and an air hole of a rotation speed protection device of a small wind power device.
Fig. 4 is a schematic structural diagram of a second air pipe, a first air solenoid valve and a first safety valve of the rotation speed protection device of the small wind power equipment.
Fig. 5 is a schematic structural diagram of an adjusting mechanism of a rotation speed protection device of a small-sized wind power equipment.
Fig. 6 is a schematic structural view of a movable bracket of a rotation speed protection device of a small wind power equipment.
Fig. 7 is a schematic structural diagram of a control mechanism of a rotation speed protection device of a small-sized wind power equipment according to the present invention.
Fig. 8 is a top view of a locking mechanism of a rotation speed protection device of a small wind power plant.
Fig. 9 is a schematic structural view of a mounting box, an outer collar and a protrusion of a rotation speed protection device of a small wind power device.
Fig. 10 is a schematic diagram of a partial structure at a position a in fig. 9 of a rotation speed protection device of a small-sized wind power equipment according to the present invention.
FIG. 11 is a schematic diagram of the outer collar, boss, and boss rod of the rotational speed protection device of a small wind power plant according to the present invention; the locking mechanism is in an initial state at this time.
FIG. 12 is a schematic view of the structure of an outer collar, a protrusion, and a protruding rod of a rotation speed protection device of a small wind power plant according to the present invention; at this time, the locking mechanism is in an operating state.
Fig. 13 is a front view of a rotation speed protection device for a small wind power plant according to the present invention.
Reference numerals in the drawings: 1. a support sleeve; 2. a rotating shaft; 201. a convex strip;
3. an adjusting mechanism; 301. a sleeve; 302. a movable rod; 303. a first piston; 304. a through hole; 305. a movable bracket; 3051. a fixing ring; 3052. a slide bar; 3053. a first spring; 3054. a slide block; 3055. a connecting rod;
4. a fan blade; 5. a gear box; 6. a wind power generator;
7. a control mechanism; 701. a connecting strip; 702. a mounting groove; 703. a second spring; 704. a contact block; 705. a contact switch;
8. a locking mechanism; 801. a cover plate; 802. a mounting box; 803. an outer collar; 804. a protrusion; 805. a mounting base; 806. a housing; 807. a connecting pipe; 808. a protruding rod; 809. a third spring; 810. a second piston;
9. a battery pack; 10. a pneumatic pump; 11. a first air tube; 12. air holes; 13. a gas-electric slip ring; 14. a main controller; 15. a second air pipe; 16. a first gas solenoid valve; 17. a first safety valve; 18. a second gas solenoid valve; 19. a second safety valve; 20. and a third air pipe.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
As shown in fig. 1 to 3:
the utility model provides a rotational speed protection device of small-size wind power equipment, including supporting sleeve 1, the top of supporting sleeve 1 rotates and is connected with pivot 2, the top outer wall fixed mounting of pivot 2 has adjustment mechanism 3, the other end fixedly connected with flabellum 4 of adjustment mechanism 3, the bottom fixedly connected with gear box 5 of pivot 2, the output of gear box 5 passes through shaft coupling fixedly connected with wind-powered electricity generation generator 6, the bottom of wind-powered electricity generation generator 6 is provided with storage battery 9, wind-powered electricity generation generator 6 and storage battery 9 electric connection, the top fixed mounting of pivot 2 has control mechanism 7, the inside fixed mounting of supporting sleeve 1 has locking mechanism 8, locking mechanism 8 cup joints each other with pivot 2, the inner wall fixed mounting of supporting sleeve 1 has master controller 14.
As shown in fig. 1 to 4, a pneumatic pump 10 is fixedly installed inside the support sleeve 1, the pneumatic pump 10 is electrically connected with a main controller 14, an air hole 12 is formed in the outer wall of the support sleeve 1, the output end of the pneumatic pump 10 is fixedly connected with a first air pipe 11, the other end of the first air pipe 11 is fixedly connected with a second air pipe 15 and a third air pipe 20 through a three-way joint, a pneumatic slip ring 13 is fixedly installed at the top of the support sleeve 1, and the movable end of the pneumatic slip ring 13 is fixedly sleeved with the outer wall of the rotating shaft 2.
As shown in fig. 5 to 6, the four adjusting mechanisms 3 and the four fan blades 4 are all arranged at equal intervals along the axis of the rotating shaft 2. The adjustment mechanism 3 includes sleeve 301, and sleeve 301's one end and the outer wall fixed connection of pivot 2, sleeve 301's inside sliding sleeve have cup jointed movable rod 302, and movable rod 302's one end and flabellum 4 fixed connection, movable rod 302's the other end fixedly connected with first piston 303, first piston 303 and sleeve 301 sliding connection, and through-hole 304 has been seted up to pivot 2's inside, and pivot 2 communicates each other with sleeve 301 through-hole 304, and sleeve 301's both sides all are provided with movable support 305. The movable support 305 comprises a fixed ring 3051, the fixed ring 3051 is fixedly sleeved with a rotating shaft 2, the outer wall of the fixed ring 3051 is fixedly connected with a sliding rod 3052, the outer wall of the sliding rod 3052 is sleeved with a first spring 3053, the outer wall of the sliding rod 3052 is slidably connected with a sliding block 3054, the outer wall of the sliding block 3054 is movably connected with a connecting rod 3055, and the other end of the connecting rod 3055 is movably connected with the outer wall of the fan blade 4. The other end of the third air pipe 20 is communicated with the input end of the gas electric slip ring 13, the output end of the gas electric slip ring 13 is communicated with the through hole 304 through the rotating shaft 2, the second gas electromagnetic valve 18 and the second safety valve 19 are fixedly arranged on the outer wall of the third air pipe 20, and the second gas electromagnetic valve 18 and the second safety valve 19 are electrically connected with the main controller 14.
In the above technical solution, the control mechanism 7 controls the second safety valve 19 to open through the main controller 14, the gas in the first piston 303 enters the first gas pipe 11 through the through hole 304 and is discharged through the second safety valve 19 to perform pressure relief, under the acting force of the first spring 3053, the first spring 3053 pushes the slider 3054 to move, the slider 3054 drives the fan blade 4 to shrink through the connecting rod 3055, at this time, the windward area of the fan blade 4 and the adjusting mechanism 3 is reduced, at this time, the rotation speed of the rotating shaft 2 is reduced, so that the rotation speed of the rotating shaft 2 is in a reasonable state, and the balance of the output power of the wind power generator 6 is maintained;
when the outside wind speed is in a normal state, the pneumatic pump 10 is started, the second safety valve 19 is closed, the second gas electromagnetic valve 18 is opened, the first gas electromagnetic valve 16 is closed, gas enters the through hole 304 through the first gas pipe 11, the third gas pipe 20 and the gas electric slip ring 13, enters the sleeve 301 through the through hole 304, the first piston 303 is pushed to move through the gas in the sleeve 301, the first piston 303 drives the fan blade 4 to be unfolded through the movable rod 302, and the fan blade 4 is enabled to return to an initial state.
As shown in fig. 7, the control mechanism 7 includes a connection bar 701, a mounting groove 702 is formed in the connection bar 701, a second spring 703 is mounted in the connection bar 701 in the mounting groove 702, one end of the second spring 703 is fixedly connected with the connection bar 701, the other end of the second spring 703 is fixedly connected with a contact block 704, a contact switch 705 is mounted in the connection bar 701 in the mounting groove 702, the contact switch 705 corresponds to the contact block 704, and the contact switch 705 is electrically connected with the main controller 14 through the gas-electric slip ring 13.
In the above technical solution, when the external wind speed is too high, the rotation speed of the rotating shaft 2 is increased, the rotating shaft 2 drives the control mechanism 7 to rotate, the contact block 704 moves outwards under the action of centrifugal force, and the second spring 703 in the connecting bar 701 is stretched, so that the contact block 704 and the contact switch 705 are contacted with each other;
when the wind speed is in a reasonable state, the contact block 704 is not contacted with the contact switch 705 under the elastic force of the second spring 703.
As shown in fig. 8 to 12, the locking mechanism 8 includes a cover plate 801 and a mounting box 802, the cover plate 801 is fixedly connected with the mounting box 802 through bolts, the mounting box 802 is fixedly connected with the inside of the supporting sleeve 1, the outer wall of the rotating shaft 2 is fixedly connected with a convex strip 201, the outer wall of the rotating shaft 2 and the convex strip 201 is sleeved with a jacket ring 803, the jacket ring 803 is located inside the mounting box 802, the outer side wall of the jacket ring 803 is fixedly connected with a boss 804, a mounting seat 805 is fixedly mounted inside the mounting box 802, the outer wall of the mounting seat 805 is fixedly mounted with a housing 806, connecting pipes 807 are fixedly connected to two sides of the housing 806, a second piston 810 is slidably connected inside the housing 806, a convex rod 808 is fixedly connected to the outer wall of the second piston 810, a third spring 809 is sleeved on the outer wall of the convex rod 808, and the other end of the convex rod 808 penetrates and extends to the outside of the housing 806. The plurality of protrusions 804, the mounting seat 805, the housing 806, the connecting pipe 807, the protruding rods 808, the third springs 809 and the second pistons 810 are all arranged in an equidistant manner along the axis of the rotating shaft 2, and the plurality of protrusions 804, the mounting seat 805, the housing 806, the connecting pipe 807, the protruding rods 808, the third springs 809 and the second pistons 810 are all connected in series with each other through the connecting pipe 807, and the protruding rods 808 and the protrusions 804 correspond to each other. The other end of the second air pipe 15 is communicated with the connecting pipe 807 through a three-way joint, a first air solenoid valve 16 and a first safety valve 17 are fixedly arranged on the outer wall of the second air pipe 15, and the first air solenoid valve 16 and the first safety valve 17 are electrically connected with the main controller 14.
In the above technical solution, when the rotation speed of the fan blade 4 and the adjusting mechanism 3 is too large, the control mechanism 7 controls the pneumatic pump 10 to start through the main controller 14, meanwhile, the second gas electromagnetic valve 18 is closed, the second gas pipe 15 is opened, the first safety valve 17 is closed, the gas enters the housing 806 through the first gas pipe 11, the second gas pipe 15 and the connecting pipe 807, the gas in the housing 806 pushes the second piston 810 to move, the second piston 810 drives the convex rod 808 to move outwards, so that the convex rod 808 contacts with the outer collar 803, when the rotation shaft 2 drives the outer collar 803 to rotate through the convex strip 201, the outer collar 803 drives the convex 804 to rotate, the convex rod 804 contacts with the convex rod 808, and the convex rod 808 stops rotating the rotation shaft 2, thereby protecting the wind power generator 6, avoiding the fire disaster caused by the over-power of the wind power generator 6 due to the too fast rotation speed of the rotation shaft 2 damaging the self balance of the wind power generator 6;
when the outside wind speed is in a normal state, the first safety valve 17 is opened, the third spring 809 pushes the second piston 810 to move under the action of the third spring 809, the second piston 810 drives the convex rod 808 to shrink, at the moment, the convex rod 808 is not in contact with the convex rod 804, the rotating shaft 2 drives the outer sleeve ring 803 and the convex rod 804 to rotate through the convex rod 201, the convex rod 808 does not limit the rotation of the rotating shaft 2, and the rotating shaft 2 drives the wind power generator 6 to continue to work through the gear box 5.
Specific use and action of the embodiment:
when the wind power generator is used, the fan blades 4 drive the rotating shaft 2 to rotate through the adjusting mechanism 3, the rotating shaft 2 carries out speed regulation through the gear box 5 so as to drive the rotor in the wind power generator 6 to work, the wind power generator 6 generates electricity, and the storage battery pack 9 stores energy;
the above structure and process are shown in fig. 2.
When the external wind speed is too high, the rotating speed of the rotating shaft 2 is increased, the rotating shaft 2 drives the control mechanism 7 to rotate, the contact block 704 moves outwards under the action of centrifugal force, and meanwhile, the second spring 703 in the connecting strip 701 is stretched, so that the contact block 704 and the contact switch 705 are in contact with each other;
when the wind speed is in a reasonable state, the contact block 704 is not contacted with the contact switch 705 under the action of the elastic force of the second spring 703;
the above structure and process are shown in fig. 7.
Namely, when the external wind speed is too high, the contact block 704 and the contact switch 705 are in contact with each other, the control mechanism 7 controls the second safety valve 19 to be opened through the main controller 14, gas in the first piston 303 enters the first air pipe 11 through the through hole 304 and is discharged through the second safety valve 19 to be decompressed, the first spring 3053 pushes the sliding block 3054 to move under the acting force of the first spring 3053, the sliding block 3054 drives the fan blade 4 to shrink through the connecting rod 3055, the windward area of the fan blade 4 and the adjusting mechanism 3 is reduced, the rotating speed of the rotating shaft 2 is reduced, and the rotating speed of the rotating shaft 2 is in a reasonable state, so that the balance of the output power of the wind power generator 6 is maintained;
the above structure and process are shown in fig. 1-7.
When the rotating speed of the rotating shaft 2 is too high after the fan blades 4 and the regulating mechanism 3 shrink, the control mechanism 7 controls the pneumatic pump 10 to start through the main controller 14, meanwhile, the second gas electromagnetic valve 18 is closed, the second gas pipe 15 is opened, the first safety valve 17 is closed, gas enters the shell 806 through the first gas pipe 11, the second gas pipe 15 and the connecting pipe 807, the second piston 810 is pushed by the gas in the shell 806 to move, the second piston 810 drives the convex rod 808 to move outwards, so that the convex rod 808 is in contact with the outer sleeve 803, when the rotating shaft 2 drives the outer sleeve 803 to rotate through the convex strip 201, the outer sleeve 803 drives the convex rod 804 to rotate, the convex rod 808 contacts with the convex rod 804, and the convex rod 808 stops rotating the rotating shaft 2, so that the wind power generator 6 is protected, and the over-power fire disaster caused by the fact that the rotating speed of the rotating shaft 2 is too fast to damage the self balance of the wind power generator 6 is avoided;
the above structure and process are shown in fig. 1-7.
When the outside wind speed is in a normal state, the first safety valve 17 is opened, the third spring 809 pushes the second piston 810 to move under the action of the third spring 809, the second piston 810 drives the convex rod 808 to shrink, at the moment, the convex rod 808 is not contacted with the convex rod 804, the rotating shaft 2 drives the outer sleeve ring 803 and the convex rod 804 to rotate through the convex strip 201, the convex rod 808 does not limit the rotation of the rotating shaft 2, and the rotating shaft 2 drives the wind power generator 6 to continuously work through the gear box 5;
the above structure and process are shown in fig. 8-12.
Simultaneously, the pneumatic pump 10 is started, the second safety valve 19 is closed, the second gas electromagnetic valve 18 is opened, the first gas electromagnetic valve 16 is closed, gas enters the through hole 304 through the first gas pipe 11, the third gas pipe 20 and the gas electric slip ring 13, enters the sleeve 301 through the through hole 304, pushes the first piston 303 to move through the gas in the sleeve 301, and the first piston 303 drives the fan blades 4 to be unfolded through the movable rod 302, so that the fan blades 4 return to an initial state;
the above structure and process are shown in fig. 1-13.
The present invention is not limited to the above-mentioned embodiments, and any person skilled in the art, based on the technical solution of the present invention and the inventive concept thereof, can be replaced or changed within the scope of the present invention.
Claims (10)
1. The utility model provides a rotational speed protection device of small-size wind power equipment, includes support sleeve (1), a serial communication port, the top of support sleeve (1) rotates and is connected with pivot (2), the top outer wall fixed mounting of pivot (2) has adjustment mechanism (3), the other end fixedly connected with flabellum (4) of adjustment mechanism (3), the bottom fixedly connected with gear box (5) of pivot (2), the output of gear box (5) passes through shaft coupling fixedly connected with wind-powered electricity generation generator (6), the bottom of wind-powered electricity generation generator (6) is provided with storage battery (9), wind-powered electricity generation generator (6) and storage battery (9) electric connection, the top fixed mounting of pivot (2) has control mechanism (7), the inside fixed mounting of support sleeve (1) has locking mechanism (8), locking mechanism (8) cup joint each other with pivot (2), the inner wall fixed mounting of support sleeve (1) has master control unit (14).
2. The rotating speed protection device of small wind power equipment according to claim 1, wherein a pneumatic pump (10) is fixedly installed in the supporting sleeve (1), the pneumatic pump (10) is electrically connected with a main controller (14), an air hole (12) is formed in the outer wall of the supporting sleeve (1), a first air pipe (11) is fixedly connected with the output end of the pneumatic pump (10), a second air pipe (15) and a third air pipe (20) are fixedly connected with the other end of the first air pipe (11) through a three-way joint, a pneumatic slip ring (13) is fixedly installed at the top of the supporting sleeve (1), and the movable end of the pneumatic slip ring (13) is fixedly sleeved with the outer wall of the rotating shaft (2).
3. The rotating speed protection device of the small wind power equipment according to claim 2, wherein the number of the adjusting mechanisms (3) and the number of the fan blades (4) are four, and the four adjusting mechanisms (3) and the four fan blades (4) are arranged at equal intervals along the axis of the rotating shaft (2).
4. A rotation speed protection device for small wind power equipment according to claim 3, characterized in that, adjustment mechanism (3) includes sleeve (301), the one end of sleeve (301) is connected with the outer wall fixed of pivot (2), movable rod (302) has been cup jointed in the inside slip of sleeve (301), the one end and flabellum (4) fixed connection of movable rod (302), the other end fixedly connected with first piston (303) of movable rod (302), first piston (303) and sleeve (301) sliding connection, through-hole (304) have been seted up to the inside of pivot (2), pivot (2) are linked together with sleeve (301) through-hole (304), the both sides of sleeve (301) all are provided with movable support (305).
5. The rotating speed protection device of small wind power equipment according to claim 4, wherein the movable support (305) comprises a fixed ring (3051), the fixed ring (3051) is fixedly sleeved with a rotating shaft (2), the outer wall of the fixed ring (3051) is fixedly connected with a sliding rod (3052), the outer wall of the sliding rod (3052) is sleeved with a first spring (3053), the outer wall of the sliding rod (3052) is slidably connected with a sliding block (3054), the outer wall of the sliding block (3054) is movably connected with a connecting rod (3055), and the other end of the connecting rod (3055) is movably connected with the outer wall of the fan blade (4).
6. The rotating speed protection device of small wind power equipment according to claim 4, wherein the other end of the third air pipe (20) is communicated with the input end of the gas-electric slip ring (13), the output end of the gas-electric slip ring (13) is communicated with the through hole (304) through the rotating shaft (2), a second gas electromagnetic valve (18) and a second safety valve (19) are fixedly arranged on the outer wall of the third air pipe (20), and the second gas electromagnetic valve (18) and the second safety valve (19) are electrically connected with the main controller (14).
7. The rotating speed protection device of small wind power equipment according to claim 2, wherein the control mechanism (7) comprises a connecting bar (701), a mounting groove (702) is formed in the connecting bar (701), a second spring (703) is mounted in the mounting groove (702) by the connecting bar (701), one end of the second spring (703) is fixedly connected with the connecting bar (701), the other end of the second spring (703) is fixedly connected with a contact block (704), a contact switch (705) is mounted in the mounting groove (702) by the connecting bar (701), the contact switch (705) corresponds to the contact block (704) mutually, and the contact switch (705) is electrically connected with the main controller (14) through an air electric slip ring (13).
8. The rotating speed protection device of small wind power equipment according to claim 2, wherein the locking mechanism (8) comprises a cover plate (801) and a mounting box (802), the cover plate (801) is fixedly connected with the mounting box (802) through bolts, the mounting box (802) is fixedly connected with the inside of the supporting sleeve (1), the outer wall of the rotating shaft (2) is fixedly connected with a convex strip (201), the outer wall of the rotating shaft (2) and the convex strip (201) are sheathed with an outer collar (803), the outer collar (803) is positioned in the mounting box (802), the outer side wall of the outer collar (803) is fixedly connected with a boss (804), the inside of the mounting box (802) is fixedly provided with a mounting seat (805), the outer wall of the mounting seat (805) is fixedly connected with a casing (806), two sides of the casing (806) are fixedly connected with a connecting pipe (807), the inside of the casing (806) is slidably connected with a second piston (810), the outer wall of the second piston (810) is fixedly connected with a boss (808), and the boss (808) is sheathed with the outside of the third spring (806) and extends to the outside of the casing (808).
9. The rotation speed protection device for small wind power equipment according to claim 8, wherein the protrusions (804), the mounting base (805), the housing (806), the connecting pipes (807), the protruding rods (808), the third springs (809) and the second pistons (810) are all multiple, the protrusions (804), the mounting base (805), the housing (806), the connecting pipes (807), the protruding rods (808), the third springs (809) and the second pistons (810) are all arranged at equal intervals along the axis of the rotating shaft (2), the plurality of the housings (806) are connected in series through the connecting pipes (807), and the protruding rods (808) and the protrusions (804) are mutually corresponding.
10. The rotating speed protection device of small wind power equipment according to claim 8, wherein the other end of the second air pipe (15) is communicated with the connecting pipe (807) through a three-way joint, a first air solenoid valve (16) and a first safety valve (17) are fixedly arranged on the outer wall of the second air pipe (15), and the first air solenoid valve (16) and the first safety valve (17) are electrically connected with the main controller (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311552863.5A CN117267051B (en) | 2023-11-21 | 2023-11-21 | Rotating speed protection device of small wind power equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311552863.5A CN117267051B (en) | 2023-11-21 | 2023-11-21 | Rotating speed protection device of small wind power equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117267051A true CN117267051A (en) | 2023-12-22 |
| CN117267051B CN117267051B (en) | 2024-02-27 |
Family
ID=89209054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311552863.5A Active CN117267051B (en) | 2023-11-21 | 2023-11-21 | Rotating speed protection device of small wind power equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117267051B (en) |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060185635A1 (en) * | 2005-02-18 | 2006-08-24 | Ioan Manole | Valve deactivator latching assembly |
| CN103133551A (en) * | 2013-02-07 | 2013-06-05 | 福建合众机械有限公司 | Radial locking type over-load protection shaft |
| CN103742371A (en) * | 2014-01-22 | 2014-04-23 | 深圳市宝联风光热能源科技有限公司 | Vertical-axis wind turbine generator system with multi-layer wings and double swing vanes |
| JP2015111994A (en) * | 2013-07-19 | 2015-06-18 | アスモ株式会社 | Clutch motor and switchgear of opening and closing body |
| EP3012450A1 (en) * | 2014-09-05 | 2016-04-27 | C.E.P.A. Euro Company Programs Africa S.r.l. | Vertical axis and horizontal axis wind turbine power transmission system |
| JP2016118170A (en) * | 2014-12-22 | 2016-06-30 | 株式会社Ｃｎｏパワーソリューションズ | Blade member for blade of vertical shaft type windmill for wind power generation, and blade |
| CN206419168U (en) * | 2017-01-12 | 2017-08-18 | 桂林电子科技大学 | A kind of off-network small-size vertical axis wind turbine electromagnetic and mechanical combination brake device |
| CN108092478A (en) * | 2017-12-27 | 2018-05-29 | 胡国祥 | Bilobed wheel counter-rotating and the vertical axis aerogenerator built along same axis |
| US20200398409A1 (en) * | 2018-01-12 | 2020-12-24 | STAHLWILLE Eduard Wille GmbH & Co. KG | Release mechanism for a torque tool |
| CN112431720A (en) * | 2020-11-20 | 2021-03-02 | 杨童童 | Self-speed-adjusting vertical axis wind turbine |
| CN113738565A (en) * | 2021-09-11 | 2021-12-03 | 台州市满荣建筑有限公司 | Offshore tidal wind power combined power generation device |
| CN114017253A (en) * | 2021-11-05 | 2022-02-08 | 滨州学院 | Wind driven generator blade damping device |
| CN114087129A (en) * | 2021-11-02 | 2022-02-25 | 太仓联科工业设计有限公司 | Adjustable wind power generation equipment |
| KR102371931B1 (en) * | 2021-03-25 | 2022-03-08 | 전용준 | Folding wings of aerogenerator |
| CN114352654A (en) * | 2020-10-13 | 2022-04-15 | 中国石油天然气集团有限公司 | Drilling tool clutch device |
| WO2022099434A1 (en) * | 2020-11-10 | 2022-05-19 | 唐山圣因海洋科技有限公司 | Marine wind force monitoring device |
| CN216767626U (en) * | 2021-11-26 | 2022-06-17 | 林腾昊 | Blade fixing device for wind power generation |
| DE202022104680U1 (en) * | 2021-11-19 | 2022-09-23 | Urumqi Xinte Power Generation Co., Ltd | A support rod structure of a wind wheel in a wind turbine |
| CN115807735A (en) * | 2022-11-30 | 2023-03-17 | 三峡大学 | Tower-mounted wind power generation system and control method thereof |
-
2023
- 2023-11-21 CN CN202311552863.5A patent/CN117267051B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060185635A1 (en) * | 2005-02-18 | 2006-08-24 | Ioan Manole | Valve deactivator latching assembly |
| CN103133551A (en) * | 2013-02-07 | 2013-06-05 | 福建合众机械有限公司 | Radial locking type over-load protection shaft |
| JP2015111994A (en) * | 2013-07-19 | 2015-06-18 | アスモ株式会社 | Clutch motor and switchgear of opening and closing body |
| CN103742371A (en) * | 2014-01-22 | 2014-04-23 | 深圳市宝联风光热能源科技有限公司 | Vertical-axis wind turbine generator system with multi-layer wings and double swing vanes |
| EP3012450A1 (en) * | 2014-09-05 | 2016-04-27 | C.E.P.A. Euro Company Programs Africa S.r.l. | Vertical axis and horizontal axis wind turbine power transmission system |
| JP2016118170A (en) * | 2014-12-22 | 2016-06-30 | 株式会社Ｃｎｏパワーソリューションズ | Blade member for blade of vertical shaft type windmill for wind power generation, and blade |
| CN206419168U (en) * | 2017-01-12 | 2017-08-18 | 桂林电子科技大学 | A kind of off-network small-size vertical axis wind turbine electromagnetic and mechanical combination brake device |
| CN108092478A (en) * | 2017-12-27 | 2018-05-29 | 胡国祥 | Bilobed wheel counter-rotating and the vertical axis aerogenerator built along same axis |
| US20200398409A1 (en) * | 2018-01-12 | 2020-12-24 | STAHLWILLE Eduard Wille GmbH & Co. KG | Release mechanism for a torque tool |
| CN114352654A (en) * | 2020-10-13 | 2022-04-15 | 中国石油天然气集团有限公司 | Drilling tool clutch device |
| WO2022099434A1 (en) * | 2020-11-10 | 2022-05-19 | 唐山圣因海洋科技有限公司 | Marine wind force monitoring device |
| CN112431720A (en) * | 2020-11-20 | 2021-03-02 | 杨童童 | Self-speed-adjusting vertical axis wind turbine |
| KR102371931B1 (en) * | 2021-03-25 | 2022-03-08 | 전용준 | Folding wings of aerogenerator |
| CN113738565A (en) * | 2021-09-11 | 2021-12-03 | 台州市满荣建筑有限公司 | Offshore tidal wind power combined power generation device |
| CN114087129A (en) * | 2021-11-02 | 2022-02-25 | 太仓联科工业设计有限公司 | Adjustable wind power generation equipment |
| CN114017253A (en) * | 2021-11-05 | 2022-02-08 | 滨州学院 | Wind driven generator blade damping device |
| DE202022104680U1 (en) * | 2021-11-19 | 2022-09-23 | Urumqi Xinte Power Generation Co., Ltd | A support rod structure of a wind wheel in a wind turbine |
| CN216767626U (en) * | 2021-11-26 | 2022-06-17 | 林腾昊 | Blade fixing device for wind power generation |
| CN115807735A (en) * | 2022-11-30 | 2023-03-17 | 三峡大学 | Tower-mounted wind power generation system and control method thereof |
Non-Patent Citations (2)
| Title |
|---|
| 张立军;马东辰;赵昕辉;米玉霞;张松;王旱祥;范淑琴;: "小型H型垂直轴风力机变桨机构的优化设计与试验", 西安交通大学学报, no. 03, 14 December 2017 (2017-12-14) * |
| 高振勋;蒋崇文;唐金龙;王德宝;: "多层塔式H型立轴风机的性能分析", 电力与能源, no. 05, 20 October 2011 (2011-10-20) * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117267051B (en) | 2024-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2016173304A1 (en) | Novel wind turbine linkage variable pitch system | |
| CN110552844B (en) | Power generation device | |
| US20110049894A1 (en) | Electricity Generating Assembly | |
| CN202209251U (en) | Novel vertical-shaft impeller | |
| WO2002057625A1 (en) | A wind-driven electrical power-generating device | |
| CN109630352B (en) | Air compression type vertical wind generating set | |
| CN111089031B (en) | Self-protection type wind power generation equipment | |
| CN101280764A (en) | High altitude spherical hollow space turbine type wind power generator | |
| CN101368544A (en) | Combination type coaxial vertical axis aerogenerator | |
| CN117267051B (en) | Rotating speed protection device of small wind power equipment | |
| CN112267973A (en) | Wind power generation device with self-protection function | |
| CN101004167A (en) | High efficiency wind driven generator with vertical axis of petal type fan blades | |
| CN100552216C (en) | Vertical wind power generator | |
| CN114135444A (en) | Automatic opening-closing type fan blade wind power generation equipment | |
| CN204327409U (en) | Wind-driven generator | |
| CN103016271B (en) | Wind generating set with expandable working wind speed range | |
| KR100955516B1 (en) | Has a new-born energy facility and the environmental house which hits | |
| SU1753018A2 (en) | Windmill electric generating unit | |
| TW202035861A (en) | Windturbine dehumidifier system comprising secondary wind power source | |
| CN220185267U (en) | Energy storage pressure supplementing constant power generation device | |
| CN213270133U (en) | Adjustable tail wing of small wind generating set | |
| CN220586178U (en) | Wind-solar energy storage device | |
| CN219159094U (en) | Lift type vertical axis wind turbine impeller capable of controlling rotation speed | |
| CN217444489U (en) | Novel variable-pitch backup power supply equipment | |
| CN219888204U (en) | Wind power generation monitoring system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |