WO2009103240A1 - Aube de turbine et turbine - Google Patents

Aube de turbine et turbine Download PDF

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Publication number
WO2009103240A1
WO2009103240A1 PCT/CN2009/070491 CN2009070491W WO2009103240A1 WO 2009103240 A1 WO2009103240 A1 WO 2009103240A1 CN 2009070491 W CN2009070491 W CN 2009070491W WO 2009103240 A1 WO2009103240 A1 WO 2009103240A1
Authority
WO
WIPO (PCT)
Prior art keywords
turbine blade
turbine
hole
blade
present
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.)
Ceased
Application number
PCT/CN2009/070491
Other languages
English (en)
Chinese (zh)
Inventor
毕征庆
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO2009103240A1 publication Critical patent/WO2009103240A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/38—Blades
    • F04D29/384—Blades characterised by form
    • 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
    • F03D1/0658—Arrangements for fixing wind-engaging parts to a hub
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/667—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by influencing the flow pattern, e.g. suppression of turbulence
    • 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

Definitions

  • the present invention relates to the field of machine building, and more particularly to a turbine blade and a turbine. Background technique
  • FIG. 1 is a schematic diagram of the working principle of the existing turbine.
  • the rotating shaft of the turbine is rotated at high speed by the motor 2, and several turbines are fixed on the rotating shaft of the turbine.
  • the blade 1 and the turbine blade 1 rotate about a rotating shaft to generate a wind field in the V direction and provide power.
  • the turbine blade 1 is in a high-speed rotation process, in the region I adjacent to the rotating shaft as shown in FIG.
  • the present invention provides a turbine blade and a turbine for solving the defects of low wind efficiency of the turbine blade rotary output and large torque of the turbine blade in the prior art, thereby achieving the purpose of improving the wind output efficiency and reducing the torque of the turbine blade.
  • the present invention provides a turbine blade including a turbine blade body and a fixing hole provided on the turbine blade body for fixed connection, at a position adjacent to the fixing hole of the turbine blade body A through hole is provided.
  • the present invention also provides a turbine including a turbine blade, the turbine blade including a turbine blade body and a fixing hole provided on the turbine blade body for fixed connection with the turbine blade body A through hole is provided at a position adjacent to the fixing hole.
  • the turbine blade and the turbine provided by the invention provide a through-hole at a position adjacent to the fixing hole of the turbine blade, and are used for air flow when the turbine blade rotates, preventing the output of the wind energy from being obstructed by the air vortex, improving the wind energy output efficiency, and reducing the turbine blade. Torque, extending the life of the turbine blades.
  • Figure 1 is a schematic view of the working principle of the existing turbine
  • FIG. 2 is a schematic structural view of a turbine blade of the present invention
  • Figure 3 is a schematic view showing the operation of the turbine blade of the present invention.
  • Figure 4 is a schematic view showing the position of a through hole of a turbine blade of the present invention.
  • Figure 5 is a schematic view showing the arrangement of inclined through holes of the turbine blade of the present invention.
  • Figure 6 is a schematic view showing the arrangement of trapezoidal through holes in the turbine blade of the present invention detailed description
  • FIG. 2 is a schematic structural view of a turbine blade according to the present invention.
  • the turbine blade includes a turbine blade body.
  • the turbine blade body includes a fixing hole 1 1 and a blade wing body 1 2 , wherein the fixing hole 1 1 is used for a rotating shaft of the turbine.
  • the fixed connection, the blade wing body 12 is used to generate wind energy by rotating the fixing hole 11 at a high speed around the rotating shaft of the turbine.
  • a through hole 13 is provided in the turbine blade body near the fixing hole 1 1 for flowing air in the vicinity of the rotating shaft portion of the blade through the through hole 13 when the turbine blade rotates, thereby preventing the generation of air vortex from affecting wind energy efficiency.
  • FIG. 3 is a schematic view showing the operation of the turbine blade of the present invention.
  • a through hole 13 is provided at a position on a central axis of the turbine blade near a fixing hole connected to the rotating shaft, and the turbine blade rotates with the engine shaft to V.
  • the wind energy is transmitted in the direction; the turbine blade is heated by the air in the region I, and the gas in this region flows in the W direction through the through hole 13 , so that no air vortex in the front region I of the turbine blade 1 hinders the wind energy output from the turbine blade. Increased efficiency of output wind energy.
  • the through hole is disposed near one end of the rotating shaft, because during the rotation of the turbine blade, the electrostatic field strength generated by the air vortex near the rotating shaft area is greater than the electrostatic field strength at the other end position of the turbine blade, and the condition is equal in torque.
  • the force of the arm is small, so the damage to the generated air vortex is stronger, and the ability to block the electrostatic field generated by the air vortex is stronger.
  • the noise generated by the turbine during operation is also reduced; and the turbine blades rotate with air to generate heat, which causes the air temperature in the area to be high.
  • heat By providing a through hole for air flow on the turbine blades, heat The air can be discharged outward through the through hole, thus reducing the operating temperature of the turbine blades and further extending the service life of the turbine blades.
  • FIG. 4 is a schematic view showing the position of a through hole of a turbine blade of the present invention.
  • the number of through holes provided in the turbine blade of the present invention may be one or plural, and the specific number and the set position should be determined according to the actual size of the turbine blade.
  • the diameter of the through hole should be in the range of 0.1 to 10 mm.
  • the position of the through hole on the turbine blade is as shown in FIG. 4.
  • the distance d of the through hole 13 from the fixing hole 11 should be
  • the length of the turbine blade length L is in the range of 1/10 to 1/5; specifically, for example, the length of the turbine blade for the automobile is generally about 20 cm, and the through hole may be provided at a distance of 2 cm from the fixing hole of the turbine blade;
  • a plurality of through holes may be symmetrically distributed up and down along the central axis of the turbine blade, for example, one through hole is provided in each of the upper and lower sides. That is, when the turbine blades are provided with a plurality of through holes at the same time, the plurality of through holes may be disposed side by side in the lateral direction of the axis of the blade or in the longitudinal direction of the blade.
  • Fig. 5 is a schematic view showing the arrangement of inclined through holes of the turbine blades of the present invention
  • Fig. 6 is a schematic view showing the arrangement of trapezoidal through holes for the turbine blades of the present invention.
  • the through hole 13 may be inclined according to the rotation direction of the turbine blade as shown in FIG. 5, and the through hole 13 may be set to a special shape such as a trapezoid as shown in FIG. You can even tilt the trapezoidal through hole.
  • the turbine blade provided with the through hole provided by the present invention can be specifically applied to a cooling system of a propeller, a washing machine, a mixer, a turbine generator and an air conditioner to increase the output energy and improve the efficiency under a certain rotation speed condition.
  • the turbine of the present invention is provided with the turbine blade provided in the above embodiment, and the turbine equipped with the turbine blade with the through hole has the same output power, high efficiency, low noise, long service life, etc. under the same power. advantage.

Landscapes

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

Abstract

La présente invention concerne une aube de turbine (1) comportant un corps d'aube de turbine et un orifice de montage (11) prévu sur le corps d'aube de turbine pour sa fixation immobile à l'arbre rotatif de la turbine. Des trous traversants (13) sont prévus sur les positions du corps d'aube de turbine qui sont adjacents au dit orifice de montage (11). L'invention concerne également une turbine comportant ladite aube de turbine (1). L'aube de turbine (1) et la turbine selon l'invention peuvent réduire l'influence d'une énergie éolienne produite due à un tourbillon d'air produit par la rotation de l'aube de turbine, améliorer l'efficacité d'énergie éolienne, et présentent les avantages de production élevée d'énergie, de haute efficacité, de faible bruit, et de longue durée de vie utile.
PCT/CN2009/070491 2008-02-22 2009-02-20 Aube de turbine et turbine Ceased WO2009103240A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810008317.4 2008-02-22
CNA2008100083174A CN101514711A (zh) 2008-02-22 2008-02-22 涡轮叶片和涡轮机

Publications (1)

Publication Number Publication Date
WO2009103240A1 true WO2009103240A1 (fr) 2009-08-27

Family

ID=40985073

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2009/070491 Ceased WO2009103240A1 (fr) 2008-02-22 2009-02-20 Aube de turbine et turbine

Country Status (2)

Country Link
CN (1) CN101514711A (fr)
WO (1) WO2009103240A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3889440B1 (fr) * 2018-11-30 2023-08-23 Fujitsu General Limited Ventilateur à hélice
CN114382726B (zh) * 2021-12-17 2025-01-24 珠海格力电器股份有限公司 一种出风装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927952A (en) * 1972-11-20 1975-12-23 Garrett Corp Cooled turbine components and method of making the same
US5683600A (en) * 1993-03-17 1997-11-04 General Electric Company Gas turbine engine component with compound cooling holes and method for making the same
US20040136831A1 (en) * 2003-01-09 2004-07-15 Barb Kevin J. Weight reduced steam turbine blade
US6913440B2 (en) * 2002-08-06 2005-07-05 Avio S.P.A. Variable-geometry turbine stator blade, particularly for aircraft engines
US20050163609A1 (en) * 2004-01-27 2005-07-28 Ardeshir Riahi Gas turbine engine including airfoils having an improved airfoil film cooling configuration and method therefor
JP2006125348A (ja) * 2004-10-29 2006-05-18 Toshiba Corp 蒸気タービンおよびそのタービンロータ
JP2007211677A (ja) * 2006-02-09 2007-08-23 Matsushita Electric Ind Co Ltd 蒸気タービン及びこれを用いた太陽熱ランキンシステム
CN101126325A (zh) * 2007-07-13 2008-02-20 北京航空航天大学 涡轮叶片中部多孔冲击加气膜的组合冷却结构
CN201170211Y (zh) * 2008-02-22 2008-12-24 赵明慧 涡轮叶片和涡轮机

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3927952A (en) * 1972-11-20 1975-12-23 Garrett Corp Cooled turbine components and method of making the same
US5683600A (en) * 1993-03-17 1997-11-04 General Electric Company Gas turbine engine component with compound cooling holes and method for making the same
US6913440B2 (en) * 2002-08-06 2005-07-05 Avio S.P.A. Variable-geometry turbine stator blade, particularly for aircraft engines
US20040136831A1 (en) * 2003-01-09 2004-07-15 Barb Kevin J. Weight reduced steam turbine blade
US20050163609A1 (en) * 2004-01-27 2005-07-28 Ardeshir Riahi Gas turbine engine including airfoils having an improved airfoil film cooling configuration and method therefor
JP2006125348A (ja) * 2004-10-29 2006-05-18 Toshiba Corp 蒸気タービンおよびそのタービンロータ
JP2007211677A (ja) * 2006-02-09 2007-08-23 Matsushita Electric Ind Co Ltd 蒸気タービン及びこれを用いた太陽熱ランキンシステム
CN101126325A (zh) * 2007-07-13 2008-02-20 北京航空航天大学 涡轮叶片中部多孔冲击加气膜的组合冷却结构
CN201170211Y (zh) * 2008-02-22 2008-12-24 赵明慧 涡轮叶片和涡轮机

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Publication number Publication date
CN101514711A (zh) 2009-08-26

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