CN111894818A - Efficient deicing device for blades of wind driven generator - Google Patents

Efficient deicing device for blades of wind driven generator Download PDF

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Publication number
CN111894818A
CN111894818A CN202010808367.1A CN202010808367A CN111894818A CN 111894818 A CN111894818 A CN 111894818A CN 202010808367 A CN202010808367 A CN 202010808367A CN 111894818 A CN111894818 A CN 111894818A
Authority
CN
China
Prior art keywords
cavity
cabin
excursion
pipe
fixedly provided
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.)
Withdrawn
Application number
CN202010808367.1A
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Chinese (zh)
Inventor
原金鸿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Jiubao Energy Equipment Technology Co ltd
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Qingdao Jiubao Energy Equipment Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Jiubao Energy Equipment Technology Co ltd filed Critical Qingdao Jiubao Energy Equipment Technology Co ltd
Priority to CN202010808367.1A priority Critical patent/CN111894818A/en
Publication of CN111894818A publication Critical patent/CN111894818A/en
Withdrawn legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/40—Ice detection; De-icing means
    • 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
    • F03D15/00—Transmission of mechanical power
    • 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
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/70—Wind energy
    • Y02E10/72—Wind turbines with rotation axis in wind direction

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

Abstract

The invention relates to a high-efficiency deicing device for blades of a wind driven generator, which comprises a cabin and a cabin cavity arranged in the cabin, wherein a driving wheel is rotatably arranged on the left wall of the cabin, a guide box is rotatably arranged at the left end of the driving wheel, an annular groove is arranged in the driving wheel, a guide cavity is arranged in the guide box, an airflow box is fixedly arranged in the guide cavity, and a partition plate is fixedly arranged in the airflow box.

Description

Efficient deicing device for blades of wind driven generator
Technical Field
The invention relates to the technical field of wind energy, in particular to a high-efficiency deicing device for blades of a wind driven generator.
Background
Wind power generation is one of the most environment-friendly power generation modes in the world at present, wind energy is clean and pollution-free energy which can be generated on the spot, and the wind energy resources in China are rich, so wind power generators are built in many places, but the climate temperature of some places is lower, blades of the wind power generators are easy to freeze, when the blades are not frozen in time, ice blocks are larger and larger, the power generation efficiency is influenced, and the blades are damaged.
Disclosure of Invention
The invention aims to provide an efficient deicing device for blades of a wind driven generator, and the problem is solved.
The invention is realized by the following technical scheme.
The invention relates to a high-efficiency deicing device for blades of a wind driven generator, which comprises a cabin and a cabin cavity arranged in the cabin, wherein the left wall of the cabin is rotatably provided with a driving wheel, the left end of the driving wheel is rotatably provided with a flow guide box, an annular groove is arranged in the driving wheel, the flow guide box is internally provided with a flow guide cavity, the flow guide cavity is internally fixedly provided with an air flow box, a partition plate is fixedly arranged in the air flow box, the left end of the partition plate is provided with a hot air cavity, the right end of the partition plate is provided with a cold air cavity, the upper end of the air flow box is fixedly provided with a hot air pipe, the interior is fixedly provided with a fan, the hot air pipe is communicated with the hot air cavity, the outer wall of the flow guide box is uniformly and fixedly provided with three blades, the blades are internally provided with working cavities, fixed, the front end of the rotating disc is fixedly provided with a first connecting bolt, the front end of the first connecting bolt is rotatably provided with a crank, the left end of the crank is rotatably provided with a second connecting bolt, the left cavity wall and the right cavity wall of the working cavity are uniformly provided with sliding grooves, sliding blocks are arranged in the sliding grooves in a sliding manner, the left end of each sliding block is fixedly provided with an ice crushing plate, the right end of each sliding block is rotatably connected with the second connecting bolt, the upper end of the hot air pipe is communicated with the corresponding blade, the upper end of the airflow box is fixedly provided with a cold air pipe which is communicated with the cold air cavity, the upper end of the cold air pipe is communicated with the corresponding blade, the right wall of the airflow box is fixedly provided with a connecting ring, an input pipe is fixedly arranged in the connecting ring, the left end of the input pipe is rotatably connected with the corresponding separating plate, the input pipe is communicated with the hot air, the output pipe is communicated with the air conditioning cavity, the right wall of the diversion box is fixedly provided with a low-speed shaft, the low-speed shaft penetrates through the driving wheel, the lower cavity wall of the cabin cavity is fixedly provided with a stator plate, a round hole is formed in the stator plate, a stator is uniformly and fixedly arranged in the round hole, the low-speed shaft penetrates through the round hole, the lower cavity wall of the cabin cavity is fixedly provided with a gear box, a gear cavity is arranged in the gear box, a transmission driving wheel is arranged in the gear cavity, the transmission driving wheel is fixedly connected with the low-speed shaft, the right end of the input pipe is communicated with the left end of the gear box, the right end of the output pipe is communicated with the left end of the gear box, the lower cavity wall of the cabin cavity is fixedly provided with a generator, the left end of the generator is provided with a high-speed shaft, the left end of the high-speed shaft is fixedly, the wind power generator is characterized in that an iron tower is arranged on the lower wall of the engine room in a rotating mode, a deviation mechanism is arranged in the iron tower and used for adjusting the orientation of the blades when the wind direction changes, a speed reducing mechanism is arranged in the cavity of the engine room and used for reducing the rotating speed of the blades when the wind speed is too high to prevent the generator from being damaged due to high-speed rotation.
Furthermore, the speed reducing mechanism comprises brake plates fixedly arranged on the lower cavity wall of the cabin cavity, the brake plates are arranged at the front end and the rear end of the speed reducing sheet, a controller is fixedly arranged on the rear cavity wall of the cabin cavity, a connecting rod is fixedly arranged at the right end of the controller, and an anemometer is rotatably arranged at the upper end of the connecting rod.
Furthermore, the skew mechanism including fixed set up in the skew motor in the iron tower, be equipped with the skew motor shaft on the skew motor, the fixed skew action wheel that is equipped with in skew motor shaft upper end, the meshing of skew action wheel is equipped with the skew from the driving wheel, the skew is equipped with the skew pole from the driving wheel is fixed, skew pole lower extreme with the iron tower rotates to be connected the skew pole upper end with cabin fixed connection, it is equipped with the rotating tube to rotate on the connecting rod, the rotating tube right-hand member is fixed and is equipped with the weathercock dead lever, the fixed weathercock that is equipped with in weathercock dead lever upper end.
The invention has the beneficial effects that: after the deicing device is used, in the operation process, a large amount of heat emitted by the gear box during operation is used for deicing the blade surface for one time, and the blade surface is driven to break the ice plate during air flow circulation, so that a large amount of ice blocks on the blade surface are removed.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the structure at E in FIG. 1;
FIG. 3 is a schematic view of the structure at A-A in FIG. 1;
FIG. 4 is a schematic view of the structure at B-B in FIG. 1;
FIG. 5 is a schematic view of the structure of FIG. 1 at C;
fig. 6 is a schematic diagram of the structure at D in fig. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The efficient deicing device for the blades of the wind driven generator, which is described in conjunction with the attached fig. 1-6, comprises a nacelle 10 and a nacelle cavity 11 arranged in the nacelle 10, wherein a transmission wheel 35 is rotatably arranged on the left wall of the nacelle 10, a diversion box 40 is rotatably arranged at the left end of the transmission wheel 35, an annular groove 36 is arranged in the transmission wheel 35, a diversion cavity 41 is arranged in the diversion box 40, an airflow box 37 is fixedly arranged in the diversion cavity 41, a partition plate 39 is fixedly arranged in the airflow box 37, a hot air cavity 38 is arranged at the left end of the partition plate 39, a cold air cavity 43 is arranged at the right end of the partition plate 39, a hot air pipe 42 is fixedly arranged at the upper end of the airflow box 37, a fan 69 is fixedly arranged in the hot air pipe 42, the hot air pipe 42 is communicated with the hot air cavity 38, three blades 44 are uniformly and fixedly arranged on the outer wall of the diversion, a rotating disc 59 is rotatably arranged at the front end of the fixing rod 58, six air receiving plates 50 are uniformly and fixedly arranged on the rotating disc 59, a first connecting bolt 53 is fixedly arranged at the front end of the rotating disc 59, a crank 52 is rotatably arranged at the front end of the first connecting bolt 53, a second connecting bolt 49 is rotatably arranged at the left end of the crank 52, sliding grooves 48 are uniformly arranged on the left and right cavity walls of the working cavity 47, a sliding block 51 is slidably arranged in the sliding groove 48, an ice crushing plate 46 is fixedly arranged at the left end of the sliding block 51, the right end of the sliding block 51 is rotatably connected with the second connecting bolt 49, the upper end of the hot air pipe 42 is communicated with the blades 44, an air cooling pipe 45 is fixedly arranged at the upper end of the air flow box 37, the air cooling pipe 45 is communicated with the air cooling cavity 43, the upper end of the air cooling pipe 45 is communicated with the blades 44, a connecting ring 57 is fixedly arranged on the right wall, the left end of the input pipe 54 is rotatably connected with the partition plate 39, the input pipe 54 is communicated with the hot air cavity 38, the output pipe 55 is fixedly arranged at the front end of the input pipe 54, the left end of the output pipe 55 is rotatably connected with the right wall of the air flow box 37, the output pipe 55 is communicated with the cold air cavity 43, the right wall of the diversion box 40 is fixedly provided with a low-speed shaft 29, the low-speed shaft 29 passes through the transmission wheel 35, the lower cavity wall of the cabin cavity 11 is fixedly provided with a stator plate 33, a circular hole 66 is formed in the stator plate 33, stators 34 are uniformly and fixedly arranged in the circular hole 66, the low-speed shaft 29 passes through the circular hole 66, the lower cavity wall of the cabin cavity 11 is fixedly provided with a gear box 27, a gear cavity 28 is arranged in the gear box 27, a transmission driving wheel 26 is arranged in the gear cavity 28, the transmission driving wheel 26 is fixedly connected with the low-speed shaft 29, and, the output tube 55 right-hand member with gear box 27 left end intercommunication, cabin cavity 11 lower chamber wall is fixed and is equipped with generator 13, the generator 13 left end is equipped with high-speed shaft 32, the fixed retarder 31 that is equipped with in high-speed shaft 32 left end, the fixed transmission from driving wheel 30 that is equipped with on the high-speed shaft 32, the transmission from driving wheel 30 with the meshing of transmission action wheel 26 is connected, cabin 10 lower wall rotates and is equipped with iron tower 19, be equipped with skew mechanism 200 in the iron tower 19, skew mechanism 200 is used for adjusting blade 44's orientation when the wind direction changes, be equipped with reduction gears 300 in cabin cavity 11, reduction gears 300 are used for reducing the rotational speed of blade 44 when the wind speed is too fast and prevent that high-speed rotation from making the generator damage.
Advantageously, the speed reducing mechanism 300 includes brake plates 56 fixedly disposed on the lower cavity wall of the cabin cavity 11, the brake plates 56 are located at the front and rear ends of the speed reducing piece 31, the controller 12 is fixedly disposed on the rear cavity wall of the cabin cavity 11, the right end of the controller 12 is fixedly disposed with a connecting rod 14, and the upper end of the connecting rod 14 is rotatably disposed with an anemometer 15.
Beneficially, the offset mechanism 200 includes an offset motor 20 fixedly disposed in the iron tower 19, the offset motor 20 is provided with an offset motor shaft 21, an offset driving wheel 22 is fixedly disposed at an upper end of the offset motor shaft 21, the offset driving wheel 22 is engaged with an offset driven wheel 23, the offset driven wheel 23 is fixedly provided with an offset rod 24, a lower end of the offset rod 24 is rotatably connected to the iron tower 19, an upper end of the offset rod 24 is fixedly connected to the nacelle 10, the connecting rod 14 is rotatably provided with a rotating pipe 17, a vane fixing rod 60 is fixedly disposed at a right end of the rotating pipe 17, and a vane 18 is fixedly disposed at an upper end of the vane fixing rod 60.
The working steps are as follows: when wind blows, the blades 44 start to rotate to drive the flow guide box 40 to rotate, drive the low-speed shaft 29 to rotate, and transmit power to the transmission driven wheel 30 through the transmission driving wheel 26 and then to the generator 13 for power generation; during the power generation process, the driving transmission wheel 26 and the driven transmission wheel 30 in the gear box 27 generate a large amount of heat in the rotation process, the heat is transmitted to the hot air cavity 38 through the input pipe 54, after the hot air enters the hot air cavity 38, the fan 69 is started to transmit the hot air to the working cavity 47 through the hot air pipe 42, and the ice on the blades 44 is melted and deiced for the first time through the hot air; after the hot air is transmitted into the working chamber 47, the air receiving plate 50 is blown to push the rotating disc 59 to rotate, the ice crushing plate 46 is pushed forwards in the rotating process, ice cubes on the blades 44 are pushed to remove ice again, and ice cubes on the whole blades 44 are all subjected to ice removal treatment; when the hot air in the working cavity 47 is cooled in the working cavity 47, the hot air returns to the cold air cavity 43 through the cold air pipe 45 and then returns to the gear cavity 28 through the output pipe 55 to cool the transmission driving wheel 26 and the transmission driven wheel 30 in the rotating process, so that high-temperature damage is prevented; when the wind direction changes, the wind vane 18 rotates a certain angle, and after the controller 12 receives a signal, the offset motor 20 starts to start to drive the offset driving wheel 22 to start to rotate, so that the offset driven wheel 23 drives the offset rod 24 to rotate, the offset rod 24 drives the cabin 10 to rotate, and the offset motor 20 stops after rotating to a certain angle; when the wind speed is too high, the rotational speed of the anemometer 15 increases, and the controller 12 receives the signal, the brake pedal 56 starts to clamp, and the rotational speed of the high speed shaft 32 starts to decrease, so that the rotational speed of the blades 44 decreases.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (3)

1. The utility model provides a high-efficient defroster to aerogenerator blade, include the cabin and set up in cabin chamber in the cabin, cabin left wall rotates and is equipped with the drive wheel, the drive wheel left end rotates and is equipped with the water conservancy diversion case, be equipped with the ring channel in the drive wheel, be equipped with the water conservancy diversion chamber in the water conservancy diversion incasement, the water conservancy diversion intracavity fixation is equipped with the air current case, the air current incasement fixation is equipped with division board, its characterized in that: the left end of the partition plate is provided with a hot air cavity, the right end of the partition plate is provided with a cold air cavity, the upper end of the air flow box is fixedly provided with a hot air pipe, the inner part of the air flow box is fixedly provided with a fan, the hot air pipe is communicated with the hot air cavity, the outer wall of the flow guide box is uniformly and fixedly provided with three blades, the blades are internally provided with working cavities, the working cavities are uniformly and fixedly provided with fixing rods, the front ends of the fixing rods are rotatably provided with a rotating disc, the rotating disc is uniformly and fixedly provided with six air receiving plates, the front ends of the rotating disc are fixedly provided with first connecting bolts, the front ends of the first connecting bolts are rotatably provided with cranks, the left ends of the cranks are rotatably provided with second connecting bolts, the left ends of the working cavities are uniformly provided with sliding grooves, sliding blocks are slidably arranged in the sliding grooves, the left ends of the sliding, the upper end of the airflow box is fixedly provided with a cold air pipe, the cold air pipe is communicated with the cold air cavity, the upper end of the cold air pipe is communicated with the blades, the right wall of the airflow box is fixedly provided with a connecting ring, the inside of the connecting ring is fixedly provided with an input pipe, the left end of the input pipe is rotatably connected with the partition plate, the input pipe is communicated with the hot air cavity, the front end of the input pipe is fixedly provided with an output pipe, the left end of the output pipe is rotatably connected with the right wall of the airflow box, the output pipe is communicated with the cold air cavity, the right wall of the flow guide box is fixedly provided with a low-speed shaft, the low-speed shaft passes through the driving wheel, the lower cavity wall of the cabin cavity is fixedly provided with a stator plate, a circular hole is formed in the stator plate, a stator is uniformly and fixedly arranged in the circular hole, the low-speed shaft passes through, the utility model discloses a wind direction adjusting device, including gear chamber, output tube, generator left end, speed reduction piece, gear chamber, transmission action wheel, low-speed axle fixed connection, the input tube right-hand member with gear box left end intercommunication, the output tube right-hand member with gear box left end intercommunication, the fixed generator that is equipped with of cabin chamber lower chamber wall, the generator left end is equipped with the high-speed axle, the fixed speed reduction piece that is equipped with in high-speed axle left end, the fixed transmission from the driving wheel that is equipped with on the high-speed axle, the transmission from the driving wheel with the meshing of transmission action wheel is connected, cabin lower wall rotates and is equipped with the iron tower, be equipped with skew mechanism in the iron tower, skew mechanism is used for adjusting blade's orientation when the wind direction changes.
2. An efficient deicing device for wind turbine blades according to claim 1, characterized in that: the speed reducing mechanism comprises brake plates fixedly arranged on the lower cavity wall of the cabin cavity, the brake plates are arranged at the front end and the rear end of the speed reducing sheet, a controller is fixedly arranged on the rear cavity wall of the cabin cavity, a connecting rod is fixedly arranged at the right end of the controller, and an anemometer is rotatably arranged at the upper end of the connecting rod.
3. An efficient deicing device for wind turbine blades according to claim 2, characterized in that: the excursion mechanism comprises an excursion motor fixedly arranged in the iron tower, an excursion motor shaft is arranged on the excursion motor, an excursion driving wheel is fixedly arranged at the upper end of the excursion motor shaft, an excursion driven wheel is meshed with the excursion driving wheel, an excursion rod is fixedly arranged on the excursion driven wheel, the lower end of the excursion rod is rotatably connected with the iron tower, the upper end of the excursion rod is fixedly connected with the cabin, a rotating pipe is rotatably arranged on the connecting rod, a wind vane fixing rod is fixedly arranged at the right end of the rotating pipe, and a wind vane is fixedly arranged at the upper end of the wind vane fixing rod.
CN202010808367.1A 2020-08-12 2020-08-12 Efficient deicing device for blades of wind driven generator Withdrawn CN111894818A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010808367.1A CN111894818A (en) 2020-08-12 2020-08-12 Efficient deicing device for blades of wind driven generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010808367.1A CN111894818A (en) 2020-08-12 2020-08-12 Efficient deicing device for blades of wind driven generator

Publications (1)

Publication Number Publication Date
CN111894818A true CN111894818A (en) 2020-11-06

Family

ID=73228908

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010808367.1A Withdrawn CN111894818A (en) 2020-08-12 2020-08-12 Efficient deicing device for blades of wind driven generator

Country Status (1)

Country Link
CN (1) CN111894818A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113207778A (en) * 2021-05-28 2021-08-06 位福毫 Port mariculture box

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113207778A (en) * 2021-05-28 2021-08-06 位福毫 Port mariculture box

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Application publication date: 20201106