CN111550365A - Blade assembly of vertical axis wind turbine with adjusting structure - Google Patents

Blade assembly of vertical axis wind turbine with adjusting structure Download PDF

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Publication number
CN111550365A
CN111550365A CN202010411509.0A CN202010411509A CN111550365A CN 111550365 A CN111550365 A CN 111550365A CN 202010411509 A CN202010411509 A CN 202010411509A CN 111550365 A CN111550365 A CN 111550365A
Authority
CN
China
Prior art keywords
water
blade
pipe
supporting shaft
vertical axis
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Withdrawn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
CN202010411509.0A
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Chinese (zh)
Inventor
朱鸣飞
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.)
Hefei Tingluan Energy Co ltd
Original Assignee
Hefei Tingluan Energy 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 Hefei Tingluan Energy Co ltd filed Critical Hefei Tingluan Energy Co ltd
Priority to CN202010411509.0A priority Critical patent/CN111550365A/en
Publication of CN111550365A publication Critical patent/CN111550365A/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Withdrawn legal-status Critical Current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
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/06—Rotors
    • F03D3/062—Rotors characterised by their construction elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor 
    • F03D3/005—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor  the axis being vertical
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D7/00—Controlling wind motors 
    • F03D7/06—Controlling wind motors  the wind motors having rotation axis substantially perpendicular to the air flow entering the rotor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
    • F03D80/50—Maintenance or repair
    • F03D80/55—Cleaning
    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Abstract

The invention discloses a blade assembly of a vertical axis wind driven generator with an adjusting structure, and relates to the technical field of new energy. The invention comprises a blade and a supporting shaft; the lower end part of the supporting shaft is rotationally connected with a plurality of first transmission rods along the radial direction; one end of the first transmission rod is rotatably connected to the blade; the supporting shaft is provided with a cavity structure, and the upper end of the supporting shaft is of an open structure; a plurality of notches are formed in the circumferential direction of the upper port of the supporting shaft; a transmission gear is rotationally connected in the notch; a second transmission rod is radially fixed on the transmission gear; one end of the second transmission rod is rotatably connected to the blade; a driving tooth column meshed with the transmission gear is arranged in the cavity of the supporting shaft; the lower end of the driving tooth column is fixed on the output end of a lifting component. The invention can realize the adjustment of the distance between the blade and the supporting shaft, thereby adjusting the moment of the acting force of the blade on the supporting shaft according to the wind power, ensuring the service life of the wind driven generator and having higher market application value.

Description

Blade assembly of vertical axis wind turbine with adjusting structure
Technical Field
The invention belongs to the technical field of new energy, and particularly relates to a blade assembly of a vertical axis wind turbine with an adjusting structure.
Background
The fan blade of the vertical axis wind driven generator consists of a plurality of blades, and the rotating shaft is driven to rotate through the blades under the action of wind force, so that the generator is driven to rotate to generate electricity. When the wind power level is increased, the acting force acting on the blades is increased, so that the rotating speed is increased, the input power of the generator is increased, the output voltage and the frequency are increased, and electric energy is generated.
However, in the prior art, the distance between the blades of the vertical axis wind driven generator and the transmission shaft is fixed and unchanged, and when the wind power level is too high, the rotating speed of the generator is too high, so that the service life of each part of the generator is seriously influenced; and too high rotating speed can also cause the output voltage and frequency of the generator to be too high, exceed the regulating capacity of the inverter and be unusable. Meanwhile, as the blades of the wind driven generator are exposed to the external environment, a layer of dirt is attached to the surfaces of the blades after the blades are used for a long time, so that the attractiveness of the blades is affected, and the service life of the blades is also shortened. Therefore, there is a need for a blade assembly of a vertical axis wind turbine having an adjustment structure so as to solve the above problems.
Disclosure of Invention
The present invention is directed to a blade assembly of a vertical axis wind turbine having an adjustment structure, which is designed to solve the above-mentioned problems of the prior art.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention relates to a blade assembly of a vertical axis wind driven generator with an adjusting structure, which comprises a plurality of blades and a support shaft arranged among the blades; the lower end part of the supporting shaft is rotationally connected with a plurality of first transmission rods corresponding to the blades along the radial direction; one end of the first transmission rod is rotatably connected to the inner side wall of the blade; the supporting shaft is provided with a cavity structure, and the upper end of the supporting shaft is of an open structure; a plurality of notches corresponding to the first transmission rod are formed in the circumferential direction of the upper port of the support shaft; a transmission gear is rotationally connected in the notch; a second transmission rod is radially fixed on the transmission gear; one end of the second transmission rod is rotatably connected to the inner side wall of the blade; a driving tooth column meshed with the transmission gear is vertically arranged in the cavity of the supporting shaft; the lower end of the driving tooth column is fixed on the output end of a lifting component; the lifting component is arranged in the cavity of the supporting shaft.
Furthermore, the upper end of the driving tooth column extends to the upper part of the supporting shaft and is provided with a blade washing part.
Further, the blade washing part comprises a water storage box; a plurality of water outlet pipes are uniformly distributed and fixed on the outer wall of the water storage box along the radial direction; one end of the water outlet pipe is provided with a pair of spray pipes corresponding to the blades.
Furthermore, a plurality of outlet pipes and a plurality of blade one-to-one correspondence, and each outlet pipe all sets up the intermediate position between two adjacent blades.
Further, the sprinkler pipe comprises an inner nozzle and an outer nozzle; the inner spray pipe is used for washing the inner side wall of the blade; the outer nozzle is used for washing the outer side wall of the blade.
Further, the blade washing part is connected with a water supply part.
Further, the water supply part comprises a water supply pipe and a water storage tank; the water supply pipe is vertically inserted into the driving tooth column; the upper end of the water supply pipe is inserted into the water storage box; the lower end of the water supply pipe is fixed on an output shaft of the lifting component; the outer wall of the water supply pipe is connected with a first water delivery pipe; a plurality of water outlet holes are uniformly distributed in the outer wall of the water storage tank along the circumferential direction; an annular water supply box is rotatably sleeved on the periphery of the water storage tank; the inner cavity of the annular water supply box is communicated with the inner cavity of the water storage tank through a water outlet hole; the outer wall of the annular water supply box is connected with a second water delivery pipe; the upper end of the second water pipe is inserted into the cavity of the support shaft and is connected with the lower end of the first water pipe.
Further, the first water delivery pipe is a telescopic pipe.
Further, the second water conveying pipe is made of aluminum alloy or copper alloy materials.
The invention has the following beneficial effects:
according to the invention, the blade is hinged with the supporting shaft through the first transmission rod, the transmission gear is hinged with the blade through the second transmission rod, and the lifting component is utilized to drive the driving tooth column to move up and down, so that the distance between the blade and the supporting shaft is adjusted, the moment of the acting force of the blade on the supporting shaft can be adjusted according to the wind power, the rotating speed of the motor is further adjusted, the fan generator can be kept in a certain rotating speed range, the stability of the generator is favorably improved, the service life of each component is prolonged, and the fan generator has higher market application value.
Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic view of a blade assembly of a vertical axis wind turbine having an adjustment structure according to the present invention;
FIG. 2 is a front view of the structure of FIG. 1;
FIG. 3 is a top view of the structure of FIG. 1;
fig. 4 is an enlarged schematic view of the structure at a in fig. 2.
In the drawings, the components represented by the respective reference numerals are listed below:
1-blade, 2-support shaft, 3-first transmission rod, 4-transmission gear, 5-second transmission rod, 6-drive tooth column, 7-lifting component, 8-blade washing component, 9-water supply component, motor-10, 201-notch, 801-water storage box, 802-water outlet pipe, 803-water spray pipe, 901-water supply pipe, 902-water storage box, 903-first water pipe, 904-annular water supply box, 905-second water pipe, 8031-inner spray pipe and 8032-outer spray pipe.
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 to 4, the present invention is a blade assembly of a vertical axis wind turbine with an adjusting structure, which includes a plurality of blades 1 and a support shaft 2 disposed between the plurality of blades 1; the lower end of the supporting shaft 2 is connected with the input end of a motor 10; the lower end part of the supporting shaft 2 is rotationally connected with a plurality of first transmission rods 3 corresponding to the blades 1 along the radial direction; one end of the first transmission rod 3 is rotatably connected to the inner side wall of the blade 1;
the supporting shaft 2 is of a cavity structure, and the upper end of the supporting shaft is of an open structure; a plurality of notches 201 corresponding to the first transmission rod 3 are formed in the circumferential direction of the upper port of the support shaft 2; a transmission gear 4 is rotationally connected in the notch 201; the transmission gear 4 is vertically arranged; a second transmission rod 5 is radially fixed on the transmission gear 4; one end of the second transmission rod 5 is rotatably connected to the inner side wall of the blade 1;
a driving tooth column 6 meshed with the transmission gear 4 is vertically arranged in the cavity of the supporting shaft 2; the driving tooth column 6 is a deformed structure of a rack and is provided with a plurality of annular teeth which are axially arranged; the lower end of the driving tooth column 6 is fixed on the output end of a lifting component 7; the lifting component 7 is arranged in the cavity of the supporting shaft 2; the lifting component 7 adopts an electric push rod.
Wherein, the upper end of the driving tooth column 6 extends to the upper part of the supporting shaft 2 and is provided with a blade washing part 8; the blade washing part 8 includes a water reservoir tank 801; the water storage box 801 is fixed at the upper end of the driving tooth column 6; a plurality of water outlet pipes 802 are uniformly distributed and fixed on the outer wall of the water storage box 801 along the radial direction; one end of the water outlet pipe 802 is provided with a pair of water spraying pipes 803 corresponding to the blades 1; the water outlet pipes 802 correspond to the blades 1 one by one, and each water outlet pipe 802 is arranged in the middle between two adjacent blades 1; the spray pipes 803 include an inner spray pipe 8031 and an outer spray pipe 8032; the inner spray pipe 8031 is used for washing the inner side wall of the blade 1, and the water outlet end of the inner spray pipe is directed to the inner side wall of the washing blade 1; the outer spray pipe 8032 is used for washing the outer side wall of the blade 1, and the water outlet end of the outer spray pipe is directed to the outer side wall of the washing blade 1; the water outlet end of the inner nozzle 8031 and the water outlet end of the outer nozzle 8032 are both fixed with a high-pressure nozzle; a V-shaped structure is formed between inner nozzle 8031 and outer nozzle 8032. Water in the water storage box 801 is conveyed to the water spraying pipe 803 through the water outlet pipe 802, and the outer side wall and the inner side wall of the blade 1 can be washed, so that full-coverage cleaning of the blade 1 is realized, and the cleaning effect of the blade 1 is effectively guaranteed.
Wherein, the blade washing part 8 is connected with a water supply part 9; the water supply part 9 includes a water supply pipe 901 and a water storage tank 902; the water supply pipe 901 is vertically inserted on the driving tooth column 6; the upper end of the water supply pipe 901 is inserted into the water storage box 801; the lower end of the water supply pipe 901 is fixed to the output shaft of the elevating member 7; the outer wall of the water supply pipe 901 is connected with a first water pipe 903; the first water pipe 903 is a telescopic pipe; the water storage tank 902 is fixed at the bottom of the motor 10; a plurality of water outlet holes are uniformly distributed in the outer wall of the water storage tank 902 along the circumferential direction; an annular water supply box 904 is rotatably sleeved on the periphery of the water storage tank 902; the inner cavity of the annular water supply box 904 is communicated with the inner cavity of the water storage tank 902 through a water outlet hole; the outer wall of the annular water supply box 904 is connected with a second water delivery pipe 905; a micro water pump is arranged on the second water delivery pipe 905; the upper end of the second water pipe 905 is inserted into the cavity of the support shaft 2 and is connected with the lower end of the first water pipe 903; the second water pipe 905 is made of aluminum alloy or copper alloy material. The water flow enters the annular water supply box 904 through the water outlet hole and enters the water storage box 801 through the second water conveying pipe 905, the first water conveying pipe 903 and the water supply pipe 901 in sequence, and therefore the purpose of water supply is achieved.
The blade assembly of the vertical axis wind turbine with the adjusting structure further comprises a control component; the control part is electrically connected with the lifting part 7 and the micro water pump; the control component comprises a battery module, a signal transmitting module, a signal receiving module and a main control module; the battery module, the signal receiving module and the main control module are all installed in the water storage tank 902. The signal transmitting module sends an instruction signal to the signal receiving module, and the signal receiving module transmits the instruction signal to the main control module; the main control module controls the lifting component 7 and the micro water pump according to the instruction signal.
The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims (9)

1. A blade assembly of a vertical axis wind turbine with an adjustment structure comprises a plurality of blades (1) and a support shaft (2) arranged between the plurality of blades (1); the method is characterized in that:
the lower end part of the supporting shaft (2) is rotationally connected with a plurality of first transmission rods (3) corresponding to the blades (1) along the radial direction; one end of the first transmission rod (3) is rotatably connected to the inner side wall of the blade (1);
the supporting shaft (2) is of a cavity structure, and the upper end of the supporting shaft is of an open structure; a plurality of notches (201) corresponding to the first transmission rod (3) are formed in the circumferential direction of an upper port of the support shaft (2);
a transmission gear (4) is rotationally connected in the notch (201); a second transmission rod (5) is fixed on the transmission gear (4) in the radial direction; one end of the second transmission rod (5) is rotatably connected to the inner side wall of the blade (1);
a driving tooth column (6) meshed with the transmission gear (4) is vertically arranged in the cavity of the supporting shaft (2); the lower end of the driving tooth column (6) is fixed on the output end of a lifting component (7); the lifting component (7) is arranged in the cavity of the supporting shaft (2).
2. A blade assembly of a vertical axis wind turbine with adjustment structure according to claim 1, characterized in that the upper end of the driving tooth post (6) is extended above the support shaft (2) and is equipped with a blade washing part (8).
3. A blade assembly of a vertical axis wind turbine with adjustment structure according to claim 2, characterized in that the blade washing means (8) comprises a water reservoir box (801); a plurality of water outlet pipes (802) are uniformly distributed and fixed on the outer wall of the water storage box (801) along the radial direction; one end of the water outlet pipe (802) is provided with a pair of water spraying pipes (803) corresponding to the blades (1).
4. A blade assembly of a vertical axis wind turbine with an adjusting structure according to claim 3, characterized in that a plurality of water outlet pipes (802) are corresponding to a plurality of blades (1), and each water outlet pipe (802) is arranged at a middle position between two adjacent blades (1).
5. The blade assembly of a vertical axis wind turbine with an adjustment structure according to claim 3 or 4, characterized in that the water spray pipe (803) comprises an inner spray pipe (8031) and an outer spray pipe (8032); the inner spray pipe (8031) is used for washing the inner side wall of the blade (1); the outer nozzle (8032) is used for washing the outer side wall of the blade (1).
6. A blade assembly of a vertical axis wind turbine with adjustment structure according to claim 3, characterized in that a water supply means (9) is connected to the blade washing means (8).
7. A blade assembly of a vertical axis wind turbine with adjustment structure according to claim 6, characterized in that said water supply means (9) comprises a water supply pipe (901) and a water storage tank (902); the water supply pipe (901) is vertically inserted on the driving tooth column (6); the upper end of the water supply pipe (901) is inserted into the water storage box (801); the lower end of the water supply pipe (901) is fixed on an output shaft of the lifting component (7); the outer wall of the water supply pipe (901) is connected with a first water delivery pipe (903);
a plurality of water outlet holes are uniformly distributed in the outer wall of the water storage tank (902) along the circumferential direction; an annular water supply box (904) is rotatably sleeved on the periphery of the water storage tank (902); the inner cavity of the annular water supply box (904) is communicated with the inner cavity of the water storage tank (902) through a water outlet hole; the outer wall of the annular water supply box (904) is connected with a second water delivery pipe (905); the upper end of the second water pipe (905) is inserted into the cavity of the support shaft (2) and is connected with the lower end of the first water pipe (903).
8. The blade assembly of a vertical axis wind turbine with an adjustment structure according to claim 7, characterized in that the first water duct (903) is a telescopic tube.
9. The blade assembly of a vertical axis wind turbine with an adjustment structure according to claim 7 or 8, characterized in that the second water duct (905) is made of aluminum alloy or copper alloy material.
CN202010411509.0A 2020-05-15 2020-05-15 Blade assembly of vertical axis wind turbine with adjusting structure Withdrawn CN111550365A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010411509.0A CN111550365A (en) 2020-05-15 2020-05-15 Blade assembly of vertical axis wind turbine with adjusting structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010411509.0A CN111550365A (en) 2020-05-15 2020-05-15 Blade assembly of vertical axis wind turbine with adjusting structure

Publications (1)

Publication Number Publication Date
CN111550365A true CN111550365A (en) 2020-08-18

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Family Applications (1)

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CN202010411509.0A Withdrawn CN111550365A (en) 2020-05-15 2020-05-15 Blade assembly of vertical axis wind turbine with adjusting structure

Country Status (1)

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CN (1) CN111550365A (en)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201621001U (en) * 2010-01-14 2010-11-03 甘卫农 Wind wheel capable of adjusting blade angle
CN202391652U (en) * 2011-11-11 2012-08-22 南通纺织职业技术学院 Intelligent reducing self-starting vertical axis wind generating device
WO2014170232A1 (en) * 2013-04-17 2014-10-23 Lm Wp Patent Holding A/S A wind turbine blade repair method
CN105545585A (en) * 2016-01-07 2016-05-04 南通大学 Vertical axis wind turbine with flexible blades
CN207470349U (en) * 2017-11-28 2018-06-08 沈阳工程学院 A kind of vertical-type wind power plant
CN109653967A (en) * 2019-01-29 2019-04-19 水电十四局大理聚能投资有限公司 A kind of wind generator set blade cleaning equipment

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201621001U (en) * 2010-01-14 2010-11-03 甘卫农 Wind wheel capable of adjusting blade angle
CN202391652U (en) * 2011-11-11 2012-08-22 南通纺织职业技术学院 Intelligent reducing self-starting vertical axis wind generating device
WO2014170232A1 (en) * 2013-04-17 2014-10-23 Lm Wp Patent Holding A/S A wind turbine blade repair method
CN105545585A (en) * 2016-01-07 2016-05-04 南通大学 Vertical axis wind turbine with flexible blades
CN207470349U (en) * 2017-11-28 2018-06-08 沈阳工程学院 A kind of vertical-type wind power plant
CN109653967A (en) * 2019-01-29 2019-04-19 水电十四局大理聚能投资有限公司 A kind of wind generator set blade cleaning equipment

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Application publication date: 20200818

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