CN113007017B - Speed limiting and braking device applied to wind driven generator and using method thereof - Google Patents

Speed limiting and braking device applied to wind driven generator and using method thereof Download PDF

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Publication number
CN113007017B
CN113007017B CN202110246685.8A CN202110246685A CN113007017B CN 113007017 B CN113007017 B CN 113007017B CN 202110246685 A CN202110246685 A CN 202110246685A CN 113007017 B CN113007017 B CN 113007017B
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box
generator
speed
mounting
wind
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CN113007017A (en
Inventor
刘青松
岳晋萍
檀宗正
程海玉
王璇
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Jiaxing University
Jiaxing Nanhu University
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Jiaxing University
Jiaxing Nanhu University
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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
    • 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
    • F03D7/0244—Controlling wind motors  the wind motors having rotation axis substantially parallel to the air flow entering the rotor for braking
    • 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
    • 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
    • F03D9/007—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations the wind motor being combined with means for converting solar radiation into useful energy
    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S20/00—Supporting structures for PV modules
    • H02S20/30—Supporting structures being movable or adjustable, e.g. for angle adjustment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
    • H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
    • H02S40/40—Thermal components
    • H02S40/42—Cooling means
    • H02S40/425—Cooling means using a gaseous or a liquid coolant, e.g. air flow ventilation, water circulation
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/20—Modifications to facilitate cooling, ventilating, or heating
    • H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
    • H05K7/20127—Natural convection
    • 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
    • Y02E10/50—Photovoltaic [PV] energy
    • 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
    • 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
    • Y02E10/76—Power conversion electric or electronic aspects
    • 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
    • Y02E70/00—Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin

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  • Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Wind Motors (AREA)

Abstract

The invention discloses a speed-limiting and braking device applied to a wind driven generator and a using method thereof, and the speed-limiting and braking device comprises an installation cylinder, a rotating rod and a photoelectric installation box, wherein a secondary generator box is installed on the surface of the top of the installation cylinder, a speed-limiting brake box is installed inside the secondary generator box, a second generator is installed on the bottom wall inside the speed-limiting brake box, the input end of the second generator is connected with the rotating rod, a wind power resisting ferrule is sleeved at the top of the surface of the installation cylinder, a chassis is installed at the top of the wind power resisting ferrule, two groups of cross rods are connected inside the chassis in an embedded mode through sliding grooves, and one end opening, far away from the chassis, of each cross rod is connected with the photoelectric installation box. The speed-limiting brake box is arranged, the speed-limiting treatment of the device is realized by utilizing magnetic force obstruction through the speed of the rotating speed in the temperature sensing device, and the decelerated rotating rod is encircled and clasped through the electric telescopic rod, so that the braking purpose is realized, and the brake is convenient and efficient.

Description

Speed limiting and braking device applied to wind driven generator and using method thereof
Technical Field
The invention relates to the technical field of wind driven generators, in particular to a speed limiting and braking device applied to a wind driven generator and a using method thereof.
Background
A wind driven generator is mainly installed in a plain and wide area with rich wind power resources, and can rotate blades on the surface of the device through the driving of prevailing wind power, so as to drive a rotor inside the generator to rotate, induced current is generated through an electromagnetic induction phenomenon, and then the power generation operation is completed.
The existing wind driven generator speed limiting device has the defects that:
1. the comparison document CN211288526U discloses a speed-limiting and braking device of a wind driven generator, which comprises a shell, wherein the shell is fixedly provided with a generator, the generator is movably sleeved with a rotating shaft in the shell, and the left side of the rotating shaft is fixedly sleeved with a speed increasing box. The speed-limiting and braking device of the wind driven generator drives the brake belt to move upwards through the driving motor, so that the brake disc contracts inwards and contacts with the brake pad to brake, the brake plate is firstly contacted with the brake pad to decelerate the brake pad, then the brake disc continuously contracts inwards, so that the wear-resistant sheet contacts with the brake pad to brake, and the mode of decelerating first and then braking is adopted to brake, so that the rotating speed of the rotating shaft has a gradual change process, the damage of the blade sheet due to overlarge torsion is prevented, the loss of the wear-resistant sheet is reduced, the service life of the wear-resistant sheet is prolonged, but when the device carries out corresponding braking speed-limiting operation on the wind driven generator, the autonomous speed-limiting function is lacked, and the automation capability of the device is poor;
2. the comparison document CN209671135U discloses a wind driven generator speed limiting device, which comprises a shell, wherein a protective shell is fixedly arranged at the top of the shell, and a rotating rod positioned in the protective shell is movably arranged at the top of the shell. When the fan blades of the speed limiting device of the wind driven generator are interfered by strong wind, the telescopic cylinder, the connecting rod, the speed limiting head and the anti-slip sleeve are arranged, the telescopic cylinder is started, the connecting rod drives the speed limiting head to move towards the rotating rod to limit the speed of the rotating rod, the anti-slip sleeve can increase the friction force of the rotating rod, so that the speed limiting process is quicker, the support rod and the connecting platform can ensure the stability of the telescopic cylinder, so that the speed limiting head is more stable, and the clamping block, the sliding rod and the circular ring block are arranged at the same time, in the speed limiting process, the sliding rod slides in the clamping groove along with the movement of the connecting rod, so that the connecting rod can be effectively prevented from shaking, the stability of the speed limiting device is better, the speed limiting device is more convenient for a user to use, however, the device cannot consider secondary utilization of the passing wind power resources during working, so that the utilization rate of the wind power resources is low, and the power generation efficiency of the device is also low;
3. the reference CN209800172U discloses a speed reducer of a wind driven generator, which comprises a wind driven generator body and a speed reducer, wherein the speed reducer is connected with the wind driven generator body, the wind driven generator body comprises a base, a support column and a shell, the outer surfaces of the base, the support column and the shell are all provided with an anticorrosive coating, the shell is provided with a generator, a blade assembly and an empennage, the empennage is provided with a lightning arrester, the blade assembly comprises a turntable, blades and a rotating shaft, one end of the rotating shaft is connected with the generator, the other end of the rotating shaft is connected with the turntable, the blades are provided with a plurality of blades which are respectively connected with the turntable, the rotating shaft and the generator are both arranged inside the shell, the speed reducer comprises a rotating speed sensor, a PLC (programmable logic controller), a small air cylinder and a lower pressing plate, the design of the speed reducer can well protect the blades to prevent the blades from being damaged due to being too fast, however, the device does not consider that the frontal contact area of the external part and the strong wind can be changed by rotating when the external part faces the strong wind in the working process, so that the influence of the strong wind blowing is reduced, and the installation stability of the external part of the device is poor.
Disclosure of Invention
The invention aims to provide a speed limiting and braking device applied to a wind driven generator and a using method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a speed-limiting and braking device applied to a wind driven generator and a using method thereof comprise an installation cylinder, a main generating fan, a rotating rod and a photoelectric installation box, wherein a secondary generating box is installed on the surface of the top of the installation cylinder, a speed-limiting and braking box is installed inside the secondary generating box, the main generating fan is installed on the front surface of the secondary generating box, a bearing disc is installed inside the main generating fan, fan blades are installed on the surface of the bearing disc in a surrounding manner, the length of each fan blade is smaller than the diameter of the main generating fan, a second generator is installed on the bottom wall inside the speed-limiting and braking box, the input end of the second generator is connected with the rotating rod, a wind power resisting ferrule is sleeved on the top of the surface of the installation cylinder, a chassis is installed on the top of the wind power resisting ferrule, and a round hole with the same diameter as the installation cylinder is arranged inside the chassis, the inside on chassis is equipped with the spout, the inside on chassis is connected with two sets of horizontal poles through the spout gomphosis, the one end port department that the chassis was kept away from to the horizontal pole is connected with the photoelectricity mounting box.
Preferably, the ventilation frame of rectangle is all seted up to the both sides inner wall of speed limit brake box, electromagnetic box is all installed to the both sides inner wall of speed limit brake box, electromagnetic box is located the below of ventilation frame, electromagnetic relay is installed to electromagnetic box's inner wall, temperature-sensing ware is installed at electromagnetic box's top, temperature-sensing ware passes through wire and the inside electromagnetic relay electric connection of electromagnetic box, electric telescopic handle is all installed to the both sides inner wall of speed limit brake box, electric telescopic handle is located the place ahead of electromagnetic box, electric telescopic handle keeps away from the one end port department of speed limit brake box and installs semicircular block ring, the diameter of block ring is the same with the diameter of carousel, one side surface mounting that electric telescopic handle was kept away from to the block ring has the rubber leather strap.
Preferably, the exhaust vent has all been seted up on the both sides surface of secondary generator box, two sets of parallel arrangement's mounting box is installed to the inside diapire of secondary generator box, the internally mounted of mounting box has a generator and storage battery, storage battery is located one side of a generator, the two passes through wire electric connection, the pivot is installed to the input of a generator, and the one end of pivot extends to the outside of mounting box, the internally connected that the exhaust vent was passed to the one end of pivot has the rotation fan, the rotation fan is located the outside of secondary generator box, the air inlet otter board is installed in the front of secondary generator box, the air inlet otter board is located the rear of main electricity generation fan.
Preferably, the top surface of the base plate is provided with a top cover ferrule, a through hole is formed in the top cover ferrule, the diameter of the hole is the same as that of a round hole in the base plate, and the surface of the cross rod is connected with a spring rope.
Preferably, a mounting bottom plate and No. two mounting bottom plates have been cup jointed on the cylindrical surface of installation, and No. two mounting bottom plates are located the below of a mounting bottom plate, and the connecting rod is installed to a mounting bottom plate's bottom, and the bottom of connecting rod and No. two mounting bottom plate's top surface are connected, and four sets of through bolts all run through the inside of a mounting bottom plate and No. two mounting bottom plates and install, and four sets of through bolts are the rectangle and arrange, and the through bolt is located the outside position of connecting rod.
Preferably, the surface of bull stick is equipped with the recess, and the mounted position of recess and the mounted position of block ring lie in the same axis, and the surface of bull stick is encircleed and is installed the magnetic stripe, and the mounted position and the length of magnetic stripe all are the same with the mounted position and the length of electromagnetism box, and the one end port that No. two generators were kept away from to the bull stick is equipped with screw thread gomphosis hole, and the inside in screw thread gomphosis hole can be dismantled and be connected with the stock, and the one end that the bull stick was kept away from to the stock is connected with the back of main electricity generation fan inner bearing disc.
Preferably, protective housing is installed in the front of photoelectricity mounting box, and the bottom of photoelectricity mounting box is equipped with the louvre that runs through, and the inner wall of photoelectricity mounting box is installed and is kept off the net, keeps off the top that the net is located the louvre, and the top surface mounting who keeps off the net has photoelectric cell board, and photoelectric cell board passes through the wire and the interior electromagnetic relay electric connection of electric telescopic handle and electromagnetism box.
The speed limiting and braking device applied to the wind driven generator and the using method thereof according to any one of claims 1 to 7, the working steps of the device are as follows:
s1, when the device is used for wind power generation, the device needs to be installed firstly, a second installation bottom plate is placed at the bottom of a foundation pit firstly, the connection between the second installation bottom plate and the foundation pit is realized by using through bolts inside the second installation bottom plate, then soil is filled inside the foundation pit, a first installation bottom plate is placed on the ground, the connection between the first installation bottom plate and the ground is realized by using through bolts inside the first installation bottom plate, and through double connection, one section of the bottom surface of an installation cylinder is deeply buried inside the foundation pit, so that the installation stability of the installation cylinder is improved;
s2, erecting a mounting cylinder on the ground, enabling the front face of a main power generation fan to face the windward side of the mounting ground to obtain the maximum wind power generation support, blowing wind power to the main power generation fan to drive internal fan blades to rotate, driving a bearing disc inside the main power generation fan to rotate, further driving a long rod on the back face of the bearing disc to rotate, driving a rotating rod to rotate by the long rod, driving a rotor inside a second generator to rotate when the rotating rod rotates to generate induced current, and then enabling the wind power to penetrate through an air inlet mesh plate to further form the inside of a secondary generator box, and discharging the inside of the secondary generator box through an air outlet along with the entering of the wind power;
s3, when wind power is discharged out of the secondary generator box through the air outlet hole, the wind power can drive the rotating fan to rotate again, so that induced current is generated in the first generator again, secondary power generation is formed by the wind power passing through a single time, the efficiency of wind power generation of the device is improved, the induced current generated by the first generator is stored in the storage battery, and the storage of generated electric energy is realized;
s4, when the wind power is too large, in order to avoid the situation that the service life of the device is affected by the too high power generation of the device caused by the too high rotating speed of the rotating rod, the speed-limiting brake box needs to be started to limit the speed and brake the rotating rod with the higher rotating speed, so that the service life of the device is protected;
s5, when the rotating rod rotates too fast, the induced current in the electrified coil on the surface of the rotor in the second generator increases, the temperature of the electrified coil rises due to the Joule effect, and then the temperature in the secondary generator box rises, at the moment, the temperature sensor senses the temperature in the secondary generator box rises, when the temperature exceeds the preset temperature value, the electromagnetic relay in the electromagnetic box is electrified, and then magnetic attraction is generated, the magnetic strip on the surface of the rotating rod rotates fast, the rotating rod rotates fast is blocked by magnetic force, and then the speed limiting function is achieved, the higher the temperature in the secondary generator box exceeds the preset temperature value, the larger the electrified current of the electromagnetic relay in the electromagnetic box is, the larger the generated magnetic obstruction is, the more obvious the speed limiting function is achieved, the electric telescopic rod is started along with the gradual reduction of the rotating rod rotating speed, and the electric telescopic rod extends electrically, the clamping ring is driven to be close to the groove attached to the surface of the rotating rod, and the rubber leather strips on the surface of the clamping ring are embedded into the groove, so that the clamping effect of the clamping ring on the rotating rod is enhanced, and the braking purpose of the device is realized;
s6, in the working process of the wind driven generator, wind power pushes the cross rod, and then the photoelectric mounting box at the tail end of the cross rod is pushed to slide along the sliding groove in the chassis, so that the front side of the photoelectric mounting box deviates from the windward side, the contact area between the photoelectric mounting box and the windward wind power is reduced, the blowing influence of the wind power on the photoelectric mounting box is reduced, and the stability of the photoelectric mounting box is ensured.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention is provided with a speed-limiting brake box which comprises a ventilation frame, an electromagnetic box, a temperature sensor, an electric telescopic rod, a clamping ring and a rubber leather strip, wherein the temperature sensor senses the temperature rise in the secondary generator box, when the temperature exceeds a preset temperature value, an electromagnetic relay in the electromagnetic box is electrified to generate magnetic attraction, the magnetic strip on the surface of the rotating rod in quick rotation is attracted, the rotating rod in quick rotation is blocked by magnetic force to further play an autonomous speed-limiting role, the higher the temperature in the secondary generator box exceeds the preset temperature value, the higher the electrifying current of the electromagnetic relay in the electromagnetic box is, the larger the generated magnetic obstruction is, the more obvious the speed-limiting role is, the electric telescopic rod is started along with the gradual reduction of the rotating rod rotating speed, the electric telescopic rod is extended to drive the clamping ring to be close to a groove attached to the surface of the rotating rod, and the rubber leather strip on the surface of the clamping ring is embedded into the groove, strengthen the block effect of block ring to the bull stick, realize the brake purpose of device, the ventilation frame can provide the passageway for speed limit brake box is inside to carry out the heat exchange with secondary generator box is inside, makes things convenient for the inside heat dissipation of speed limit brake box, reduces the heat and gathers.
2. According to the wind power generation device, the secondary generator box is installed and comprises the rotating fan, the air outlet hole, the rotating shaft, the installation box, the first generator, the storage battery and the air inlet screen plate, when wind power passes through the main generating fan and then enters the interior of the secondary generator box through the air inlet screen plate, then the wind power can be discharged out of the interior of the secondary generator box through the air outlet hole, the wind power can drive the rotating fan to rotate again at the moment, the rotating shaft is driven to rotate, induced current is generated again in the first generator in the installation box, secondary generation is formed by the wind power passing through a single time, the wind power generation efficiency of the device is improved, the induced current generated by the first generator is stored in the storage battery, and the storage of generated electric energy is realized.
3. The photoelectric mounting box is provided with the wind power resisting ferrule and comprises the cross rod, the base plate, the top cover ferrule and the spring rope, when wind power blows to the photoelectric mounting box, the cross rod can be driven to rotate along the circumference of the sliding groove in the base plate under the influence of the wind power, the photoelectric mounting box is deflected, the front contact area of the photoelectric mounting box and the wind power is reduced, the wind power blowing action is reduced, the mounting stability of the photoelectric mounting box is ensured, the cross rod and the base plate can be clamped in the top cover ferrule and the wind power resisting ferrule, the smooth mounting of the cross rod and the base plate is ensured, and after the wind power is finished, the photoelectric mounting box of the cross rod and the port can return to the original position orientation where light is easy to collect under the reset action of the spring rope, so that photoelectric conversion work is carried out.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the secondary generator box and the main generating fan of the present invention;
FIG. 3 is a schematic view of the internal structure of the secondary generator case of the present invention;
FIG. 4 is a schematic view of the installation structure of the rotary fan and the installation box of the present invention;
FIG. 5 is a schematic structural view of a speed-limiting brake box according to the present invention;
FIG. 6 is a schematic view of a rotating rod structure according to the present invention;
FIG. 7 is a schematic view of the wind resistance ferrule configuration of the present invention;
fig. 8 is a schematic structural view of the optoelectronic mounting box of the present invention.
In the figure: 1. mounting a cylinder; 101. mounting a bottom plate; 102. mounting a bottom plate; 103. a connecting rod; 104. a through bolt; 2. a secondary generator box; 201. rotating the fan; 202. an air outlet; 203. a rotating shaft; 204. mounting a box; 205. a first generator; 206. storing the battery; 207. an air inlet net plate; 3. a main power generation fan; 4. a rotating rod; 401. a groove; 402. a magnetic strip; 403. a threaded engagement hole; 5. a speed-limiting brake box; 501. a ventilation frame; 502. an electromagnetic box; 503. a temperature sensor; 504. an electric telescopic rod; 505. clamping the circular ring; 506. rubber leather strips; 6. a wind resistant ferrule; 601. a cross bar; 602. a chassis; 603. a top cover ferrule; 604. a spring cord; 7. a photoelectric mounting box; 701. a protective housing; 702. heat dissipation holes; 703. blocking the net; 704. a photovoltaic cell panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, an embodiment of the present invention is shown: a speed-limiting and braking device applied to a wind driven generator and a using method thereof comprise an installation cylinder 1, a main generating fan 3, a rotating rod 4 and a photoelectric installation box 7, wherein the surface of the top of the installation cylinder 1 is provided with a secondary generating box 2, the installation cylinder 1 can ensure the installation stability of the bottom of the installation cylinder through operations such as pre-embedding and pit filling and the like, so as to ensure the integral stability of the device, the secondary generating box 2 can carry out secondary utilization on passing wind power resources, so as to realize secondary generation, thereby improving the utilization efficiency of the wind power resources by the device, the speed-limiting and braking box 5 is arranged inside the secondary generating box 2, the speed-limiting treatment of the device is realized through magnetic obstruction by the speed of the internal rotating speed of a temperature sensing device, the rotating rod after speed reduction is formed to enclose and hold through an electric telescopic rod 504, so as to realize the braking purpose, the speed-limiting and braking device is convenient and efficient, the main generating fan 3 is arranged on the front surface of the secondary generating box 2, a bearing disc is arranged inside the main power generating fan 3, the surface of the bearing disc is provided with fan blades in a surrounding way, the length of the fan blades is smaller than the diameter of the main power generating fan 3, the inner bottom wall of the speed-limiting brake box 5 is provided with a second generator 404, the input end of the second generator 404 is connected with a rotating rod 4, the front side of the main power generating fan 3 faces the windward side of the installation ground so as to obtain the maximum wind power generation support, then wind power is blown to the main power generating fan 3 to drive the inner fan blades to rotate, the bearing disc inside the main power generating fan 3 is driven to rotate by the front side of the second generator 404, a long rod on the back side of the bearing disc is driven to rotate, the long rod drives the rotating rod 4 to rotate, the rotor inside the second generator 404 can be driven to rotate when the rotating rod 4 rotates so as to generate induced current, the top position of the surface of the installation cylinder 1 is sleeved with a wind power resisting ferrule 6, and the top of the resisting ferrule 6 is provided with a chassis 602, and the inside of chassis 602 is equipped with the round hole with installation cylinder 1 isodiametric, the inside of chassis 602 is equipped with the spout, the inside of chassis 602 is connected with two sets of horizontal poles 601 through the spout gomphosis, when wind-force blows to photoelectricity mounting box 7, because the effect of wind-force influences, can drive horizontal pole 601 and rotate along the inside spout circumference of chassis 602, and then make photoelectricity mounting box 7 take place to deflect, reduce its front area of contact with wind-force, reduce the effect of wind-force blowing, guarantee the installation stability of photoelectricity mounting box 7, the one end port department that chassis 602 was kept away from to horizontal pole 601 is connected with photoelectricity mounting box 7, can the auxiliary device carry out the photoelectric conversion operation, provide the electric energy supply for the inside relevant electrical components of device, reduce the power supply cost of device.
The inner walls of two sides of the speed-limiting brake box 5 are both provided with rectangular ventilation frames 501, the inner walls of two sides of the speed-limiting brake box 5 are both provided with electromagnetic boxes 502, the electromagnetic boxes 502 are positioned below the ventilation frames 501, the inner walls of the electromagnetic boxes 502 are provided with electromagnetic relays, the top of the electromagnetic boxes 502 is provided with a temperature sensor 503, the temperature sensor 503 is electrically connected with the electromagnetic relays inside the electromagnetic boxes 502 through leads, the inner walls of two sides of the speed-limiting brake box 5 are both provided with electric telescopic rods 504, the electric telescopic rods 504 are positioned in front of the electromagnetic boxes 502, one end opening of the electric telescopic rods 504 far away from the speed-limiting brake box 5 is provided with a semicircular clamping ring 505, the diameter of the clamping ring 505 is the same as that of the rotating rod 4, the surface of one side of the clamping ring 505 far away from the electric telescopic rods 504 is provided with a rubber leather strip 506, and the temperature sensor 503 senses the temperature rise inside the secondary generator box 2, when the temperature exceeds a preset temperature value, an electromagnetic relay in the electromagnetic box 502 is electrified to generate magnetic attraction, the magnetic strip 402 on the surface of the rotary rod 4 in rapid rotation is attracted, the rotary rod 4 in rapid rotation is magnetically blocked, and a speed limiting effect is achieved, the higher the temperature in the secondary generator box 2 exceeds the preset temperature value, the higher the electrifying current of the electromagnetic relay in the electromagnetic box 502 is, the larger the generated magnetic obstruction is, the more obvious the speed limiting effect is, the electric telescopic rod 504 is started along with the gradual reduction of the rotating speed of the rotary rod 4, the electric telescopic rod 504 is extended to drive the clamping ring 505 to be close to the groove 401 attached to the surface of the rotary rod 4, the rubber leather strips 506 on the surface of the clamping ring 505 are embedded into the groove 401, the clamping effect of the clamping ring 505 on the rotary rod 4 is enhanced, the braking purpose of the device is achieved, the ventilation frame 501 can provide a passage for the heat exchange between the inside of the speed limiting brake box 5 and the inside of the secondary generator box 2, the heat in the speed-limiting brake box 5 can be conveniently dissipated, and the heat accumulation is reduced.
The surfaces of two sides of the secondary generator box 2 are respectively provided with an air outlet 202, the bottom wall of the interior of the secondary generator box 2 is provided with two groups of mounting boxes 204 which are arranged in parallel, the interior of the mounting box 204 is provided with a first generator 205 and a storage battery 206, the storage battery 206 is positioned at one side of the first generator 205, the first generator 205 and the storage battery are electrically connected through a wire, the input end of the first generator 205 is provided with a rotating shaft 203, one end of the rotating shaft 203 extends to the exterior of the mounting box 204, one end of the rotating shaft 203 penetrates through the interior of the air outlet 202 and is connected with a rotating fan 201, the rotating fan 201 is positioned at the exterior of the secondary generator box 2, the front surface of the secondary generator box 2 is provided with an air inlet screen plate 207, the air inlet screen plate 207 is positioned behind the main generating fan 3, when wind passes through the main generating fan 3 and enters the interior of the secondary generator box 2 through the air inlet screen plate 207, and then the interior of the secondary generator box 2 can be discharged through the air outlet 202, at the moment, the wind power can drive the rotating fan 201 to rotate again, so that the rotating shaft 203 is driven to rotate, induced current is generated again in the first generator 205 inside the mounting box 204, secondary power generation is formed by the wind power passing through a single time, the wind power generation efficiency of the device is improved, the induced current generated by the first generator 205 is stored inside the storage battery 206, and the storage of generated electric energy is realized.
The top surface mounting of chassis 602 has top cap lasso 603, the inside of top cap lasso 603 is equipped with the hole that runs through, the diameter in hole is the same with the diameter of the inside round hole of chassis 602, the surface connection of horizontal pole 601 has spring rope 604, top cap lasso 603 resists lasso 6 with wind-force and can press from both sides horizontal pole 601 and chassis 602 inside the two, guarantee the smoothness of the two installation, after wind-force, under the effect that resets of spring rope 604, can guarantee that the photoelectricity mounting box 7 homoenergetic of horizontal pole 601 and port can get back to the position orientation that original light was collected comparatively easily, carry out the photoelectric conversion work.
The surface of the mounting cylinder 1 is sleeved with a first mounting bottom plate 101 and a second mounting bottom plate 102, the second mounting bottom plate 102 is positioned below the first mounting bottom plate 101, the bottom of the first mounting bottom plate 101 is provided with a connecting rod 103, the bottom of the connecting rod 103 is connected with the top surface of the second mounting bottom plate 102, four groups of through bolts 104 are arranged inside the first mounting bottom plate 101 and the second mounting bottom plate 102 in a penetrating way, the four groups of through bolts 104 are arranged in a rectangular shape, the through bolts 104 are positioned at the outer side of the connecting rod 103, the second mounting bottom plate 102 is placed at the bottom of a foundation pit, the second mounting bottom plate 102 is connected with the foundation pit by the through bolts 104 inside the second mounting bottom plate 102, then soil is filled inside the foundation pit, the first mounting bottom plate 101 is placed on the ground, the first mounting bottom plate 101 is connected with the ground by the through bolts 104 inside the first mounting bottom plate 101, through dual connection for the bottom surface of installation cylinder 1 has one section to bury deeply inside the foundation ditch, and then has increased installation stability of installation cylinder 1, and connecting rod 103 can couple together mounting plate 101 and No. two mounting plate 102 at this in-process, guarantees to have the pre-buried interval of certain degree of depth between mounting plate 101 and No. two mounting plate 102, with controlling means's landfill degree of depth.
The surface of the rotating rod 4 is provided with a groove 401, the installation position of the groove 401 and the installation position of the clamping ring 505 are positioned on the same axis, the surface of the rotating rod 4 is provided with a magnetic strip 402 in a surrounding manner, the installation position and the length of the magnetic strip 402 are the same as those of the electromagnetic box 502, a threaded embedding hole 403 is arranged at one end port of the rotating rod 4 far away from the second generator 404, a long rod is detachably connected inside the threaded embedding hole 403, one end of the long rod far away from the rotating rod 4 is connected with the back surface of a bearing disc inside the main power generation fan 3, the groove 401 provides a clamping space for the connection of the clamping ring 505 and a rubber strip 506 on the surface of the clamping ring, so that the rotating rod 4 in rotation can conveniently stop, the braking operation of the wind driven generator is realized, the magnetic strip 402 can form a magnetic force block with an electromagnetic relay after the power is switched on inside the electromagnetic box 502, the rotating rod 4 is further reduced in rotation speed limiting, the threaded embedding hole 403 can facilitate the long rod to be detachably connected with the bearing disc inside the main power generation fan 3, the assembly of the device is facilitated.
The front surface of the photoelectric mounting box 7 is provided with a protective shell 701, the bottom of the photoelectric mounting box 7 is provided with a through heat radiation hole 702, the inner wall of the photoelectric mounting box 7 is provided with a blocking net 703, the blocking net 703 is positioned above the heat radiation hole 702, the top surface of the blocking net 703 is provided with a photoelectric cell panel 704, the photoelectric cell panel 704 is electrically connected with the electric telescopic rod 504 and an electromagnetic relay inside the electromagnetic box 502 through a lead, the protective shell 701 can form a protective effect on the photoelectric mounting box 7 to prevent external foreign matters from interfering with the internal photoelectric cell panel 704, the photoelectric cell panel 704 can convert light energy into electric energy under the influence of illumination to provide power supply for the operation of the electric telescopic rod 504 and the electromagnetic box 502, the heat radiation hole 702 can facilitate the heat exchange between the inside and the outside of the photoelectric mounting box 7, the internal heat accumulation is reduced, and the blocking net 703 can effectively prevent the external foreign matters from entering the photoelectric mounting box 7 through the heat radiation hole 702, the inside neatness of the photoelectric mounting box 7 is ensured.
The working steps of the device are as follows:
s1, when the device is used for wind power generation, the device needs to be installed firstly, a second installation bottom plate 102 is placed at the bottom of a foundation pit, the connection between the second installation bottom plate 102 and the foundation pit is realized by using a through bolt 104 inside the second installation bottom plate 102, then soil is filled inside the foundation pit, a first installation bottom plate 101 is placed on the ground, the connection between the first installation bottom plate 101 and the ground is realized by using a through bolt 104 inside the first installation bottom plate 101, and through double connection, a section of the bottom surface of the installation cylinder 1 is deeply buried inside the foundation pit, so that the installation stability of the installation cylinder 1 is improved;
s2, the mounting cylinder 1 is erected on the ground, the front face of the main power generation fan 3 faces the windward side of the mounting ground to obtain the maximum wind power generation support, then wind power blows to the main power generation fan 3 to drive the internal fan blades to rotate, and accordingly the bearing disc inside the main power generation fan 3 is driven to rotate, and further the long rod on the back face of the bearing disc is driven to rotate, the long rod rotates to drive the rotating rod 4 to rotate, the rotating rod 4 can drive the rotor inside the second generator 404 to rotate when rotating, and further induction current is generated, and then the wind power penetrates through the wind inlet screen plate 207 and further inside the secondary generator box 2, and along with the entering of the wind power, the wind power can be discharged out of the secondary generator box 2 through the wind outlet hole 202;
s3, when wind power is discharged out of the secondary generator box 2 through the air outlet 202, the wind power can drive the rotating fan 201 to rotate again, and further drive the first generator 205 to generate induced current again, secondary power generation is formed by utilizing the wind power passing through once, the wind power generation efficiency of the device is improved, and the induced current generated by the first generator 205 is stored in the storage battery 206, so that the storage of generated electric energy is realized;
s4, when the wind power is too large, in order to avoid the situation that the service life of the device is influenced by the fact that the generating power of the device is too large due to the fact that the rotating speed of the rotating rod 4 is too high, the speed-limiting brake box 5 needs to be started to limit the speed and brake the rotating rod 4 with the higher rotating speed, and the service life of the device is protected;
s5, when the rotating rod 4 rotates too fast, the induced current inside the electrified coil on the surface of the rotor inside the second generator 404 increases, the temperature of the electrified coil rises due to the Joule effect, and then the temperature inside the secondary generator box 2 rises, at the moment, the temperature sensor 503 senses the temperature inside the secondary generator box 2 rises, when the temperature exceeds the preset temperature value, the electromagnetic relay inside the electromagnetic box 502 is electrified, and then magnetic attraction is generated, the attraction effect is formed on the magnetic strip 402 on the surface of the rotating rod 4 in fast rotation, the magnetic obstruction is generated on the rotating rod 4 in fast rotation, and then the speed limiting effect is achieved, the higher the temperature inside the secondary generator box 2 exceeds the preset temperature value, the larger the electrified current of the electromagnetic relay inside the electromagnetic box 502 is, the larger the generated magnetic obstruction is, the more obvious speed limiting effect is achieved, and the electric telescopic rod 504 is started along with the gradual reduction of the rotating rod 4 rotating speed, the electric telescopic rod 504 extends to drive the clamping ring 505 to be close to the groove 401 attached to the surface of the rotating rod 4, the rubber leather strip 506 on the surface of the clamping ring 505 is embedded into the groove 401, the clamping effect of the clamping ring 505 on the rotating rod 4 is enhanced, and the braking purpose of the device is achieved;
s6, in the working process of the wind driven generator, wind force pushes the cross rod 601, and then the photoelectric mounting box 7 at the tail end of the cross rod 601 is pushed to slide along the sliding groove in the chassis 602, so that the front side of the photoelectric mounting box 7 deviates from the windward side, the contact area between the photoelectric mounting box 7 and the windward wind force is reduced, the blowing influence of the wind force on the photoelectric mounting box 7 is reduced, and the stability of the photoelectric mounting box 7 is ensured.
The working principle is as follows: when the device is used for wind power generation, the device needs to be installed firstly, a second installation bottom plate 102 is placed at the bottom of a foundation pit, the connection between the second installation bottom plate 102 and the foundation pit is realized by utilizing a through bolt 104 inside the second installation bottom plate 102, soil is filled inside the foundation pit, a first installation bottom plate 101 is placed on the ground, the connection between the first installation bottom plate 101 and the ground is realized by utilizing a through bolt 104 inside the first installation bottom plate 101, through double connection, one section of the bottom surface of an installation cylinder 1 is deeply buried inside the foundation pit, the installation stability of the installation cylinder 1 is further improved, the installation cylinder 1 is erected on the ground, a windward side of the installation ground is faced by a main power generation fan 3 to obtain the maximum wind power generation support, then wind power is blown to the main power generation fan 3 to drive inner fan blades to rotate, and accordingly a bearing disc inside the main power generation fan 3 is driven to rotate, then the long rod on the back of the bearing disc is driven to rotate, the long rod drives the rotating rod 4 to rotate, the rotating rod 4 can drive the rotor inside the second generator 404 to rotate when rotating so as to generate induced current, then wind power penetrates through the air inlet screen plate 207 and then the inside of the secondary generator box 2, the wind power can be discharged out of the inside of the secondary generator box 2 through the air outlet 202 along with the entering of the wind power, when the wind power is discharged out of the inside of the secondary generator box 2 through the air outlet 202, the wind power can drive the rotating fan 201 to rotate again so as to drive the inside of the first generator 205 to generate induced current again, secondary generation is formed by utilizing the wind power passing through once, the efficiency of wind power generation of the device is improved, the induced current generated by the first generator 205 is stored inside the storage battery 206, the storage of generated electric energy is realized, when the wind power is too high, in order to avoid the over-fast rotation speed of the rotating rod 4 from causing the over-high power generation of the device, the service life of the device is influenced, the speed-limiting brake box 5 needs to be started to limit the speed of the rotating rod 4 with higher rotating speed and perform brake treatment, so as to protect the service life of the device, when the rotating rod 4 rotates too fast, the induced current in the electrified coil on the surface of the rotor in the second generator 404 is increased, the temperature of the electrified coil is increased due to the joule effect, and then the temperature in the secondary generator box 2 is driven to be increased, at the moment, the temperature in the secondary generator box 2 is induced to be increased by the temperature inductor 503, when the temperature exceeds a preset temperature value, the electromagnetic relay in the electromagnetic box 502 is electrified, and then magnetic attraction is generated, the magnetic attraction is formed on the magnetic strip 402 on the surface of the rapidly rotating rod 4, the magnetic obstruction is played on the rapidly rotating rod 4, and then the speed-limiting effect is played, the temperature in the secondary generator box 2 exceeds the preset temperature value, the larger the current of the electromagnetic relay inside the electromagnetic box 502 is, the larger the magnetic force blockage is, the more obvious the speed limiting effect is, the rotating speed of the rotating rod 4 is gradually reduced, the electric telescopic rod 504 is started, the electric telescopic rod 504 is extended, the clamping ring 505 is driven to be close to the groove 401 on the surface of the attached rotating rod 4, the rubber leather strips 506 on the surface of the clamping ring 505 are embedded into the groove 401, the clamping effect of the clamping ring 505 on the rotating rod 4 is strengthened, the braking purpose of the device is realized, in the working process of a wind driven generator, the wind power pushes the cross rod 601, the photoelectric mounting box 7 at the tail end of the cross rod 601 is pushed to slide along the sliding groove inside the chassis 602, the front side of the photoelectric mounting box 7 deviates from the windward side, the contact area between the photoelectric mounting box 7 and the windward wind power is reduced, the blowing influence of the wind power on the photoelectric mounting box 7 is reduced, and the stability of the photoelectric mounting box 7 is ensured.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a be applied to aerogenerator's speed limit, brake equipment, includes installation cylinder (1), main electricity generation fan (3), bull stick (4) and photoelectricity mounting box (7), its characterized in that: the top surface mounting of installation cylinder (1) has secondary generator box (2), the internally mounted of secondary generator box (2) has speed limit brake box (5), main electricity generation fan (3) is installed in the front of secondary generator box (2), and the internally mounted of main electricity generation fan (3) has the bearing disc, the surface of bearing disc is encircleed and is installed the flabellum, and the length of flabellum is less than the diameter of main electricity generation fan (3), No. two generator (404) are installed to the inside diapire of speed limit brake box (5), the input of No. two generator (404) is connected with bull stick (4), the surperficial top position of installation cylinder (1) has cup jointed wind-force and has resisted lasso (6), chassis (602) is installed at the top that wind-force resisted lasso (6), and the inside of chassis (602) is equipped with the round hole of diameter such as installation cylinder (1), a sliding groove is formed in the chassis (602), two groups of cross rods (601) are connected to the interior of the chassis (602) in a embedded mode through the sliding groove, and a photoelectric mounting box (7) is connected to one end opening, far away from the chassis (602), of each cross rod (601);
the air outlet holes (202) are formed in the surfaces of the two sides of the secondary generator box (2), two groups of mounting boxes (204) which are arranged in parallel are mounted on the bottom wall of the interior of the secondary generator box (2), a first generator (205) and a storage battery (206) are mounted inside the mounting boxes (204), the storage battery (206) is located on one side of the first generator (205) and electrically connected with the first generator through a wire, a rotating shaft (203) is mounted at the input end of the first generator (205), one end of the rotating shaft (203) extends to the outside of the mounting box (204), one end of the rotating shaft (203) penetrates through the air outlet (202) and is connected with a rotating fan (201), the rotating fan (201) is located on the outside of the secondary generator box (2), an air inlet screen plate (207) is installed on the front face of the secondary generator box (2), and the air inlet screen plate (207) is located behind the main generating fan (3);
the speed limiting and braking device applied to the wind driven generator comprises the following working steps:
s1, when the device is used for wind power generation, the device needs to be installed firstly, a second installation bottom plate (102) is placed at the bottom of a foundation pit firstly, the connection between the second installation bottom plate (102) and the foundation pit is realized by utilizing a through bolt (104) inside the second installation bottom plate (102), then soil is filled inside the foundation pit, a first installation bottom plate (101) is placed on the ground, the connection between the first installation bottom plate (101) and the ground is realized by utilizing the through bolt (104) inside the first installation bottom plate (101), through double connection, a section of the bottom surface of an installation cylinder (1) is deeply buried inside the foundation pit, and the installation stability of the installation cylinder (1) is further improved;
s2, the mounting cylinder (1) is erected on the ground, the front face of the main power generation fan (3) faces the windward side of the mounting ground to obtain the maximum wind power generation support, then wind power blows to the main power generation fan (3) to drive the internal fan blades to rotate, and accordingly the bearing disc inside the main power generation fan (3) is driven to rotate, so that the long rod on the back face of the bearing disc is driven to rotate, the long rod rotates to drive the rotating rod (4) to rotate, the rotating rod (4) can drive the rotor inside the second generator (404) to rotate to generate induced current when rotating, then the wind power penetrates through the air inlet screen plate (207) and further inside the secondary generator box (2), and along with the entering of the wind power, the wind power can be discharged out of the interior of the secondary generator box (2) through the air outlet hole (202);
s3, when wind power is discharged out of the secondary generator box (2) through the air outlet hole (202), the wind power can drive the rotating fan (201) to rotate again, so that induced current is generated in the first generator (205) again, secondary power generation is formed by the wind power passing through a single time, the wind power generation efficiency of the device is improved, and the induced current generated by the first generator (205) is stored in the storage battery (206), so that the storage of generated electric energy is realized;
s4, when the wind power is too large, in order to avoid the situation that the service life of the device is influenced by the fact that the generating power of the device is too large due to the fact that the rotating speed of the rotating rod (4) is too high, the speed-limiting brake box (5) needs to be started to limit the speed of the rotating rod (4) with the higher rotating speed and perform brake processing so as to protect the service life of the device;
s5, when the rotating rod (4) rotates too fast, the induced current in the electrified coil on the surface of the rotor in the second generator (404) is increased, the temperature of the electrified coil is increased due to the Joule effect, and then the temperature in the secondary generator box (2) is driven to be increased, at the moment, the temperature in the secondary generator box (2) is induced to be increased by the temperature inductor (503), when the temperature exceeds the preset temperature value, the electromagnetic relay in the electromagnetic box (502) is electrified, and then magnetic attraction is generated, the attraction effect is formed on the magnetic strip (402) on the surface of the rapidly rotating rod (4), the magnetic obstruction is generated on the rotating rod (4) in rapid rotation, and then the speed limiting effect is realized, the higher the temperature in the secondary generator box (2) exceeds the preset temperature value, the larger the electrified current of the electromagnetic relay in the electromagnetic box (502), and the larger the generated magnetic obstruction is, the speed limiting effect is more obvious, the electric telescopic rod (504) is started along with the gradual reduction of the rotating speed of the rotating rod (4), the electric telescopic rod (504) extends to drive the clamping ring (505) to be close to the groove (401) attached to the surface of the rotating rod (4), the rubber leather strips (506) on the surface of the clamping ring (505) are embedded into the groove (401), the clamping effect of the clamping ring (505) on the rotating rod (4) is enhanced, and the braking purpose of the device is achieved;
s6, in the working process of the wind driven generator, wind force pushes the cross rod (601), and then the photoelectric mounting box (7) at the tail end of the cross rod (601) slides along a sliding groove in the chassis (602), so that the front side of the photoelectric mounting box (7) deviates from the windward side, the contact area between the photoelectric mounting box (7) and the windward wind force is reduced, the blowing influence of the wind force on the photoelectric mounting box (7) is reduced, and the stability of the photoelectric mounting box (7) is ensured.
2. The speed limiting and braking device applied to the wind driven generator according to claim 1, characterized in that: the utility model discloses a speed limit brake box, including speed limit brake box (5), ventilation frame (501) of rectangle are all seted up to the both sides inner wall of speed limit brake box (5), electromagnetic box (502) are all installed to the both sides inner wall of speed limit brake box (5), electromagnetic box (502) are located the below of ventilation frame (501), electromagnetic relay is installed to the inner wall of electromagnetic box (502), temperature-sensing ware (503) are installed at the top of electromagnetic box (502), temperature-sensing ware (503) pass through wire and the inside electromagnetic relay electric connection of electromagnetic box (502), electric telescopic handle (504) are all installed to the both sides inner wall of speed limit brake box (5), electric telescopic handle (504) are located the place ahead of electromagnetic box (502), electric telescopic handle (504) are kept away from the one end port department of speed limit brake box (5) and are installed semicircular block ring (505), the diameter of block ring (505) is the same with the diameter of bull stick (4), one side surface mounting that electric telescopic handle (504) were kept away from to block ring (505) has rubber leather straps (506).
3. The speed limiting and braking device applied to the wind driven generator according to claim 1, characterized in that: the top surface mounting of chassis (602) has top cap lasso (603), and the inside of top cap lasso (603) is equipped with the hole that runs through, and the diameter of hole is the same with the diameter of the inside round hole of chassis (602), and the surface of horizontal pole (601) is connected with spring rope (604).
4. The speed limiting and braking device applied to the wind driven generator according to claim 1, characterized in that: the surface of installation cylinder (1) has cup jointed mounting plate (101) and No. two mounting plate (102), No. two mounting plate (102) are located the below of mounting plate (101), connecting rod (103) are installed to the bottom of mounting plate (101), the bottom of connecting rod (103) and the top surface connection of No. two mounting plate (102), the inside of mounting plate (101) and No. two mounting plate (102) all runs through and installs four groups of through bolts (104), and four groups of through bolts (104) are the rectangle and arrange, through bolt (104) are located the outside position of connecting rod (103).
5. The speed limiting and braking device applied to the wind driven generator according to claim 1, characterized in that: the surface of bull stick (4) is equipped with recess (401), the mounted position of recess (401) is located the same axis with the mounted position of block ring (505), the surface of bull stick (4) is encircleed and is installed magnetic stripe (402), the mounted position and the length of magnetic stripe (402) all are the same with the mounted position and the length of electromagnetism box (502), the one end port that No. two generator (404) were kept away from in bull stick (4) is equipped with screw thread gomphosis hole (403), the inside of screw thread gomphosis hole (403) can be dismantled and be connected with the stock, the one end that bull stick (4) were kept away from to the stock is connected with the back of main electricity generation fan (3) inner bearing disc.
6. The speed limiting and braking device applied to the wind driven generator according to claim 1, characterized in that: protective housing (701) is installed in the front of photoelectricity mounting box (7), and the bottom of photoelectricity mounting box (7) is equipped with louvre (702) that runs through, and the inner wall of photoelectricity mounting box (7) is installed and is kept off net (703), keeps off net (703) and is located the top of louvre (702), and the top surface mounting that keeps off net (703) has photoelectricity panel (704), and photoelectricity panel (704) pass through wire and electric telescopic handle (504) and the inside electromagnetic relay electric connection of electromagnetism box (502).
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