BR112022005491A2 - Noise reduction device for a blade, blade and blade forming method - Google Patents

Noise reduction device for a blade, blade and blade forming method

Info

Publication number
BR112022005491A2
BR112022005491A2 BR112022005491A BR112022005491A BR112022005491A2 BR 112022005491 A2 BR112022005491 A2 BR 112022005491A2 BR 112022005491 A BR112022005491 A BR 112022005491A BR 112022005491 A BR112022005491 A BR 112022005491A BR 112022005491 A2 BR112022005491 A2 BR 112022005491A2
Authority
BR
Brazil
Prior art keywords
blade
noise reduction
reduction device
forming method
knurled
Prior art date
Application number
BR112022005491A
Other languages
Portuguese (pt)
Inventor
Chengliang Li
Suo Ding
Wang Ren
Original Assignee
Sinoma Wind Power Blade 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 Sinoma Wind Power Blade Co Ltd filed Critical Sinoma Wind Power Blade Co Ltd
Publication of BR112022005491A2 publication Critical patent/BR112022005491A2/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
    • F03D—WIND MOTORS
    • 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
    • F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor 
    • F03D1/06—Rotors
    • F03D1/065—Rotors characterised by their construction elements
    • F03D1/0675—Rotors characterised by their construction elements of the blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
    • F05B2260/00—Function
    • F05B2260/96—Preventing, counteracting or reducing vibration or noise
    • 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

Landscapes

  • 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)
  • Wind Motors (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

dispositivo de redução de ruído para uma lâmina, lâmina e método de formação de lâmina. são divulgados um dispositivo de redução de ruído (30), uma lâmina (100) e um método de formação de lâmina (100). o dispositivo de redução de ruído (30) é usado para a lâmina (100). o dispositivo de redução de ruído (30) compreende um corpo (31). o corpo (31) compreende uma parte de instalação (311), e o corpo (31) pode ser conectado à lâmina (100) através da parte de instalação (311). uma unidade serrilhada (32) é conectada ao corpo (31), uma extremidade da unidade serrilhada (32) é fornecida com uma estrutura serrilhada (322), um ângulo predefinido a é formado entre a unidade serrilhada (32) e o corpo (31), e o ângulo predefinido a atende à seguinte condição: 1º = a = 5º. no dispositivo de redução de ruído (30), na lâmina (100) e no método de formação da lâmina (100), o ruído aerodinâmico gerado durante a operação da lâmina (100) pode ser reduzido e a estabilidade de operação da lâmina (100) é também melhorado.noise reduction device for a blade, blade and blade forming method. A noise reduction device (30), a blade (100) and a blade formation method (100) are disclosed. the noise reduction device (30) is used for the blade (100). the noise reduction device (30) comprises a body (31). the body (31) comprises an installation part (311), and the body (31) can be connected to the blade (100) through the installation part (311). a knurled unit (32) is connected to the body (31), one end of the knurled unit (32) is provided with a knurled frame (322), a predefined angle a is formed between the knurled unit (32) and the body (31) ), and the predefined angle a meets the following condition: 1º = a = 5º. in the noise reduction device (30), the blade (100) and the blade forming method (100), the aerodynamic noise generated during the operation of the blade (100) can be reduced and the operating stability of the blade (100) ) is also improved.

BR112022005491A 2019-09-24 2020-09-23 Noise reduction device for a blade, blade and blade forming method BR112022005491A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910907351.3A CN110685870A (en) 2019-09-24 2019-09-24 Noise reduction device, blade and blade forming method
PCT/CN2020/117240 WO2021057815A1 (en) 2019-09-24 2020-09-23 Noise reduction device, blade, and blade forming method

Publications (1)

Publication Number Publication Date
BR112022005491A2 true BR112022005491A2 (en) 2022-06-14

Family

ID=69110034

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112022005491A BR112022005491A2 (en) 2019-09-24 2020-09-23 Noise reduction device for a blade, blade and blade forming method

Country Status (3)

Country Link
CN (1) CN110685870A (en)
BR (1) BR112022005491A2 (en)
WO (1) WO2021057815A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110685870A (en) * 2019-09-24 2020-01-14 中材科技风电叶片股份有限公司 Noise reduction device, blade and blade forming method
CN113294286B (en) * 2021-03-31 2023-02-03 江苏金风科技有限公司 Blade noise reduction device, blade and wind generating set
CN114013647A (en) * 2021-11-19 2022-02-08 大连海事大学 Three-dimensional trailing edge sawtooth bionic wing deformation method

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2497739A (en) * 2011-12-19 2013-06-26 Rolls Royce Plc Rotor blade with serrated trailing edge
ES2663672T3 (en) * 2013-09-18 2018-04-16 Siemens Aktiengesellschaft Arrangement to reduce the noise of a wind turbine rotor blade
CN104791199B (en) * 2015-03-24 2018-04-20 北京金风科创风电设备有限公司 Blade tail edge accessory and wind generating set blade
MA42097B1 (en) * 2016-02-12 2019-05-31 Lm Wp Patent Holding As Serrated leakage edge panel for a wind turbine blade
CN110685870A (en) * 2019-09-24 2020-01-14 中材科技风电叶片股份有限公司 Noise reduction device, blade and blade forming method
CN211573698U (en) * 2019-09-24 2020-09-25 中材科技风电叶片股份有限公司 Noise reduction device and blade

Also Published As

Publication number Publication date
CN110685870A (en) 2020-01-14
WO2021057815A1 (en) 2021-04-01

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Legal Events

Date Code Title Description
B06W Patent application suspended after preliminary examination (for patents with searches from other patent authorities) chapter 6.23 patent gazette]