CN202125401U - Wind driven generator fan blade - Google Patents

Wind driven generator fan blade Download PDF

Info

Publication number
CN202125401U
CN202125401U CN2011201123710U CN201120112371U CN202125401U CN 202125401 U CN202125401 U CN 202125401U CN 2011201123710 U CN2011201123710 U CN 2011201123710U CN 201120112371 U CN201120112371 U CN 201120112371U CN 202125401 U CN202125401 U CN 202125401U
Authority
CN
China
Prior art keywords
fan blade
driven generator
wind
main air
auxilliary
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.)
Expired - Fee Related
Application number
CN2011201123710U
Other languages
Chinese (zh)
Inventor
李胜然
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
Priority to CN2011201123710U priority Critical patent/CN202125401U/en
Application granted granted Critical
Publication of CN202125401U publication Critical patent/CN202125401U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • 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
    • Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction

Landscapes

  • Wind Motors (AREA)

Abstract

The utility model provides a wind driven generator fan blade which has a simple structure, and is light in weight, small in wind resistance coefficient and high in wind energy utilization ratio. The wind driven generator fan blade comprises a central shaft and a cage-shaped fan blade body arranged around the central shaft, the cage-shaped fan blade body comprises fan blade units arranged at intervals along the periphery direction, each fan blade unit comprises a main wind screen and an auxiliary wind screen with a V-shaped cross section, and an inner-outer double-accumulation wind groove is formed between the main wind screen and the auxiliary wind screen. The cage-shaped fan blade comprises at least three fan blade units which are arranged uniformly along the periphery direction. The main wind screen and the auxiliary wind screen are both bent divergently in the radial direction from inside to outside, and the inner edge of the main wind screen is connected with the bottom of the auxiliary wind screen. The wind driven generator fan blade has the beneficial effects that the cage-shaped fan blade effectively reduces the wind resistance and ensures that the incoming air flow from all angles is changed into the pushing force for the fan blade, and the utilization ratio of the wind energy is high; and the cage-shaped wind blade takes the shape of a cage on the whole, the air flows of all incoming angles form the pushing force for the cage-shaped fan blade and reduces the wind resistance effectively, and the wind driven generator fan blade has attractive appearance and good decorating effect.

Description

Power-driven generator leaf
Technical field
The utility model belongs to technical field of wind power generation, is specifically related to a kind of power-driven generator leaf.
Background technique
Existing power-driven generator leaf is of a great variety; But there is the problem that air resistance coefficient is big or the windward side is narrow mostly; Application number is that 201010185460.8 application for a patent for invention file discloses a kind of cage type fan blade; Comprise main shaft, fan blade and fan blade framework, its structure is too complicated, reliable in action property is difficult to guarantee between each parts, and not high to utilization ratio of wind energy.
Summary of the invention
To the above-mentioned deficiency that existing technology exists, the utility model provides a kind of power-driven generator leaf, and it is simple in structure, light and handy, and air resistance coefficient is little and wind energy utilization is high.
The technological scheme that realizes the utility model purpose is:
Power-driven generator leaf; Comprise axis and the cage shape blade that is provided with around axis; Said cage shape blade comprises the fan blade unit that is provided with at interval along circumferentially, and each fan blade unit comprises main air plate and the V-shaped auxilliary aerofoil of cross section, forms inside and outside biproduct wind groove between main air plate and the auxilliary aerofoil.
Further, cage shape blade comprises at least three fan blade unit, and the fan blade unit circumferentially evenly is provided with.
To bending, main air plate inward flange is fixedly connected with auxilliary aerofoil bottom by the interior leading thread of outwards dispersing for said main air plate and auxilliary aerofoil.
Said main air plate and auxilliary aerofoil axial bending, the outer surface of main air plate and auxilliary aerofoil is the curved surface of outside protuberance.
Said each main air plate upper and lower end parts has connecting plate respectively, is fixedly connected with land on the said axis, and the connecting plate of main air plate and land are fixedly connected to form cage shape blade.
The land top of said cage shape blade upper end also is coated with the upwards decoration disk of protuberance of upper surface.
Said decoration disk upper surface is a spherical crown surface; Decoration disk and axis are aluminum alloy material, and axis is hollow tubular; Said land and axis welding are fixing, and the connecting plate of said main air plate is connected with the land bolt.
Said auxilliary aerofoil comprises two integrally formed, as to be angle setting curved surface sheet materials, and two curved surface sheet material maximum angle scopes are 10 °～90 °.
Said main air plate and auxilliary aerofoil are by the aluminum alloy plate materials drawing, and sheet metal thickness is 0.8mm～1.2mm.
The number of said main air plate is 3～25, and the Extreme breadth scope is 5cm～30cm; The Extreme breadth scope of auxilliary aerofoil is 2cm～20cm.
The beneficial effect of the utility model mainly shows: cage shape blade effectively reduces windage and guarantees that the air-flow of all angles incident becomes the thrust to fan blade, and wind energy utilization is high; Cage shape blade integral body is the lantern shape, and the air-flow of each incident angle all can form thrust and effectively reduce windage cage shape blade, and handsome in appearance, has good decoration effect.
Description of drawings
Fig. 1 is the plan view of the utility model.
Fig. 2 is the perspective view of the utility model.
Fig. 3 is the plan view of the utility model.
Fig. 4 is the worm's eye view of the utility model.
Fig. 5 is the A-A sectional view of Fig. 1.
Fig. 6 is the structural representation of main air plate.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is done and to be described in further detail:
Referring to figs. 1 through Fig. 6; Power-driven generator leaf; Comprise axis 1 and the cage shape blade that is provided with around axis, cage shape blade comprises the fan blade unit that is provided with at interval along circumferentially, and each fan blade unit comprises main air plate 2 and the V-shaped auxilliary aerofoil 3 of cross section; Form inside and outside biproduct wind groove (as shown in Figure 5) between main air plate 2 and the auxilliary aerofoil 3, make the air-flow of all angles incident become thrust as far as possible fan blade.
Cage shape blade comprises at least three fan blade unit, and the fan blade unit circumferentially evenly is provided with.The interior outer side surface of main air plate 2 and auxilliary aerofoil 3 can be that cylinder also can space curved surface; Present embodiment is for further reducing windage; To bending, main air plate 2 inward flanges are fixedly connected with auxilliary aerofoil 3 bottoms by the interior leading thread of outwards dispersing for main air plate 2 and auxilliary aerofoil 3, and present embodiment adopts welding fixing.Main air plate 2 and auxilliary aerofoil 3 axial bendings, the outer surface of main air plate 2 and auxilliary aerofoil 3 is the curved surface of outside protuberance.Main air plate upper and lower end parts has connecting plate 2-1 respectively, is fixedly connected with land 4 on the axis 1, and the connecting plate 2-1 of main air plate 2 and land 4 are fixedly connected to form cage shape blade, and for ease of dismounting, present embodiment adopts bolt to connect.Cage shape blade bottom also is provided with down cosmetic sheet 6, and cage shape blade integral body is the lantern shape, and the air-flow of each incident angle all can form thrust and effectively reduce windage cage shape blade, and handsome in appearance, has good decoration effect.
Land 4 tops of cage shape blade upper end also are coated with the upwards decoration disk 5 of protuberance of upper surface.Decoration disk 5 upper surfaces are spherical crown surface, are convenient to discharge rainwater when playing decorative effect, effectively reduce rainwater and the top stream resistance to cage shape blade on rainy day; Decoration disk 5 and axis 1 are aluminum alloy material, and axis 1 is hollow tubular, effectively alleviate cage shape blade overall weight; Land 4 is fixing with axis 1 welding, and the connecting plate 2-1 of main air plate 2 is connected with land 4 bolts.
Auxilliary aerofoil 3 comprises two integrally formed, as to be angle setting curved surface sheet materials, and two curved surface sheet material maximum angle scopes are 10 °～90 °.Main air plate 2 and auxilliary aerofoil 3 are by the aluminum alloy plate materials drawing, and sheet metal thickness is 0.8mm～1.2mm.The number of main air plate 2 is 3～25, and the number of auxilliary aerofoil is corresponding with the main air plate, and main air plate Extreme breadth scope is 5cm～30cm; The Extreme breadth scope of auxilliary aerofoil is 2 cm～20cm.The cage shape blade that is provided with like this can provide enough moments of torsion can effectively reduce windage again, the wind energy utilization that improves greatly.
Though the utility model is through illustrating and describe with reference to preferred embodiment; But those skilled in the art should understand, and can be not limited to the description of present embodiment; In the scope of claims, can make the various variations on form and the details.

Claims (10)

1. power-driven generator leaf; Comprise axis and the cage shape blade that is provided with around axis; It is characterized in that: said cage shape blade comprises the fan blade unit that is provided with at interval along circumferentially; Each fan blade unit comprises main air plate and the V-shaped auxilliary aerofoil of cross section, forms inside and outside biproduct wind groove between main air plate and the auxilliary aerofoil.
2. power-driven generator leaf according to claim 1 is characterized in that: said cage shape blade comprises at least three fan blade unit, and the fan blade unit circumferentially evenly is provided with.
3. power-driven generator leaf according to claim 2 is characterized in that: to bending, main air plate inward flange is fixedly connected with auxilliary aerofoil bottom by the interior leading thread of outwards dispersing for said main air plate and auxilliary aerofoil.
4. power-driven generator leaf according to claim 3 is characterized in that: said main air plate and auxilliary aerofoil axial bending, the outer surface of main air plate and auxilliary aerofoil is the curved surface of outside protuberance.
5. according to each described power-driven generator leaf of claim 1 to 4; It is characterized in that: said each main air plate upper and lower end parts has connecting plate respectively; Be fixedly connected with land on the said axis, the connecting plate of main air plate and land are fixedly connected to form cage shape blade.
6. power-driven generator leaf according to claim 5 is characterized in that: the land top of said cage shape blade upper end also is coated with the upwards decoration disk of protuberance of upper surface.
7. power-driven generator leaf according to claim 6 is characterized in that: said decoration disk upper surface is a spherical crown surface; Decoration disk and axis are aluminum alloy material, and axis is hollow tubular; Said land and axis welding are fixing, and the connecting plate of said main air plate is connected with the land bolt.
8. according to each described power-driven generator leaf of claim 1 to 4, it is characterized in that: said auxilliary aerofoil comprises two integrally formed, as to be angle setting curved surface sheet materials, and two curved surface sheet material maximum angle scopes are 10 °～90 °.
9. according to each described power-driven generator leaf of claim 1 to 4, it is characterized in that: said main air plate and auxilliary aerofoil are by the aluminum alloy plate materials drawing, and sheet metal thickness is 0.8mm～1.2mm.
10. according to each described power-driven generator leaf of claim 1 to 4, it is characterized in that: the number of said main air plate is 3～25, and the Extreme breadth scope is 5cm～30cm; The Extreme breadth scope of auxilliary aerofoil is 2cm～20cm.
CN2011201123710U 2011-04-15 2011-04-15 Wind driven generator fan blade Expired - Fee Related CN202125401U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011201123710U CN202125401U (en) 2011-04-15 2011-04-15 Wind driven generator fan blade

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011201123710U CN202125401U (en) 2011-04-15 2011-04-15 Wind driven generator fan blade

Publications (1)

Publication Number Publication Date
CN202125401U true CN202125401U (en) 2012-01-25

Family

ID=45488470

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011201123710U Expired - Fee Related CN202125401U (en) 2011-04-15 2011-04-15 Wind driven generator fan blade

Country Status (1)

Country Link
CN (1) CN202125401U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103397981A (en) * 2013-07-23 2013-11-20 钟明华 Wind-driven accelerating wing
CN103423104A (en) * 2013-08-27 2013-12-04 汉德联合（北京）风力技术研究院有限公司 Wind forest device
CN104976019A (en) * 2015-08-10 2015-10-14 钟明华 Hung lantern type wind power generation device
CN112145341A (en) * 2019-06-28 2020-12-29 泓星科技有限公司 Vertical shaft type wind driven generator

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103397981A (en) * 2013-07-23 2013-11-20 钟明华 Wind-driven accelerating wing
CN103397981B (en) * 2013-07-23 2016-01-13 钟明华 Wind energy power accelerates the wing
CN103423104A (en) * 2013-08-27 2013-12-04 汉德联合（北京）风力技术研究院有限公司 Wind forest device
CN103423104B (en) * 2013-08-27 2015-07-22 汉德联合（北京）风力技术研究院有限公司 Wind forest device
CN104976019A (en) * 2015-08-10 2015-10-14 钟明华 Hung lantern type wind power generation device
CN112145341A (en) * 2019-06-28 2020-12-29 泓星科技有限公司 Vertical shaft type wind driven generator

Similar Documents

Publication Publication Date Title
CN102032099B (en) Systems and methods of assembling a rotor blade extension for use in a wind turbine
CN202125401U (en) Wind driven generator fan blade
CN201116512Y (en) Lightweight structure vertical axis windmill generator wind shroud
CN202250595U (en) Wind driven generator fan blade
CN209744173U (en) Over-and-under type garden street lamp convenient to overhaul
CN103410669A (en) Wall-attaching type wind-driven generator
CN204140272U (en) A kind of two half leaf formula low speed start rises resistance change formula vertical shaft fan wind wheel system
CN100402838C (en) Tower-type beaming combined wind energy electricity generating system
CN109736995A (en) A kind of power generator
CN109586656A (en) A kind of photovoltaic tile that light-receiving area is big
EP2657514A1 (en) Vertical-axis wind or hydraulic turbine structure
CN201757029U (en) System for generating power by recycling vented air
CN205002023U (en) Complementary lighting apparatus of vertical axis scene
CN201582047U (en) Wind generator blade with multiple C-shaped structure
CN106032787A (en) A combined type wind wheel for a vertical axis wind turbine
CN204061044U (en) A kind of vertical-shaft wind hundred KW generator and impeller thereof
WO2014136597A1 (en) Windmill for power generation
CN207436868U (en) A kind of decorative sun-shading louver to generate electricity
CN205423059U (en) Da lie aerogenerator impeller
CN109757956A (en) A kind of Christmas tree using wind-force rotation fan blade
US8070449B2 (en) Wind turbine
CN103161684B (en) A kind of turbine turbofan structure
RU2007124236A (en) WIND ENGINE
CN207504808U (en) A kind of rotatable solar photovoltaic bracket
CN106032788A (en) A drag-type wind wheel used for a vertical-axis wind-driven generator

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20120125

Termination date: 20140415