CN203081653U - Lift force/resistance force type vertical axis wind driven generator blade - Google Patents
Lift force/resistance force type vertical axis wind driven generator blade Download PDFInfo
- Publication number
- CN203081653U CN203081653U CN 201320066293 CN201320066293U CN203081653U CN 203081653 U CN203081653 U CN 203081653U CN 201320066293 CN201320066293 CN 201320066293 CN 201320066293 U CN201320066293 U CN 201320066293U CN 203081653 U CN203081653 U CN 203081653U
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- CN
- China
- Prior art keywords
- blade
- driven generator
- resistance force
- force type
- air
- 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
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Classifications
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- 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
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- Wind Motors (AREA)
Abstract
The utility model provides a lift force/resistance force type vertical axis wind driven generator blade which comprises a vertically-arranged wing type blade, wherein an airflow passageway with an arc transverse cross section is arranged on the blade, openings of the airflow passageway are arranged on two side faces of the blade, the cambered surface of the airflow passageway faces to the front edge of the blade, and the concave cambered surface of the airflow passageway faces to the back edge of the blade. After the lift force/resistance force type vertical axis wind driven generator blade provided by the utility model is used, airflow generates a pressure difference on the wing-shaped surface of the blade to provide lift force acting, airflow generates a resistance force in the arc airflow passageway of the blade to provide resistance force type acting, and the blade has the characteristics of lift force type blade and resistance force type blade at the same time, so that the blade is larger in torque, higher in tip speed ratio, and good in starting performance. Meanwhile, according to the overlap between the lift force type acting and the resistance force type acting, the wind energy conversion rate of the blade can be greatly improved.
Description
Technical field
The utility model relates to wind-driven generator, is specifically related to a kind of resistance type vane of vertical shaft wind-driven generator that rises.
Background technique
Existing vane of vertical shaft wind-driven generator mainly is divided into two kinds of lift-type and resistance types, and the lift-type blade is the pressure difference acting that utilizes air stream to produce on blade, has higher tip speed ratio and wind energy transformation rate, but torque is difficult to start for a short time; The resistance type blade is the resistance acting that utilizes air stream to produce on blade, have bigger torque and good startability, but tip speed ratio and wind energy transformation rate is lower.It is the design of aircraft wing that the disclosed lift-type blade of prior art has mostly followed the aviation aerofoil profile, and it exists blade to start the problem that wind speed height, power are little, be difficult to start.
Summary of the invention
The purpose of this utility model is at the problems referred to above, provide a kind of have bigger torque, higher tip speed ratio and wind energy transformation rate and a good startability rise the resistance type vane of vertical shaft wind-driven generator.
The technological scheme that realizes above-mentioned purpose is: a kind of resistance type vane of vertical shaft wind-driven generator that rises, it includes the perpendicular wing blades of putting, on described blade, be arranged with the curved air-flow path of lateral cross section, the passway of this air-flow path places on the bi-side of blade, the convex globoidal of this air-flow path is towards the leading edge of blade, and the concave arc surface of this air-flow path is towards vane trailing edge.
Above-mentioned air-flow path is in multistage setting in vertical minute of blade.
The utility model is by being provided with the arc air-flow path on the blade of air-foil, air stream provides the lift-type acting in the airfoil surface generation pressure difference of blade, air stream produces resistance the resistance type acting is provided in the arc air-flow path of blade, blade possesses the characteristics of lift-type blade and resistance type blade simultaneously, make blade both possess bigger torque, higher tip speed ratio, have good startability again, effectively improve the ability that wind-driven generator adapts to nature wind speed working environment.Simultaneously, the stack of lift-type acting and resistance type acting improves the wind energy transformation rate of blade greatly.
Description of drawings
Fig. 1 is that this rises resistance type vane of vertical shaft wind-driven generator structural representation;
Fig. 2 is that this rises resistance type vane of vertical shaft wind-driven generator cross-sectional structure schematic representation.
Embodiment
In conjunction with the accompanying drawings embodiment of the present utility model is described.
As accompanying drawing 1, this rises the resistance type vane of vertical shaft wind-driven generator and includes wing blades 1, and this blade 1 erects puts installation.Be arranged with air-flow path 2 on the cross section of described blade 1, this air-flow path 2 is in multistage setting in vertical minute of blade 1.The three sections settings in 2 fens of accompanying drawing embodiment's air-flow path.
As accompanying drawing 2, described air-flow path 2 is curved in the lateral cross section of blade, and the passway of this air-flow path 2 places on the bi-side of blade 1, and the convex globoidal of this air-flow path 2 is towards the leading edge of blade 1, and the concave arc surface of this air-flow path 2 is towards the trailing edge of blade 1.
As accompanying drawing 2, when the utility model was specifically implemented, crescent shape was arranged in the demarcation strip cross section between the adjacent air-flow path 2, and the both sides point is thin, and resistance is little during the air-flow inlet passage, and interior thickness increases, and helps improving the strength and stiffness of demarcation strip and blade.
The setting of the utility model air-flow path 2 is equally applicable to the lift-type blade of other blade profile.
Claims (2)
1. one kind rises the resistance type vane of vertical shaft wind-driven generator, it includes the perpendicular wing blades of putting (1), it is characterized in that: on described blade (1), be arranged with the curved air-flow path of lateral cross section (2), the passway of this air-flow path (2) places on the bi-side of blade (1), the convex globoidal of this air-flow path (2) is towards the leading edge of blade (1), and the concave arc surface of this air-flow path (2) is towards the trailing edge of blade (1).
2. the resistance type vane of vertical shaft wind-driven generator that rises according to claim 1 is characterized in that: described air-flow path (2) is in multistage setting in vertical minute of blade (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320066293 CN203081653U (en) | 2013-02-05 | 2013-02-05 | Lift force/resistance force type vertical axis wind driven generator blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320066293 CN203081653U (en) | 2013-02-05 | 2013-02-05 | Lift force/resistance force type vertical axis wind driven generator blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203081653U true CN203081653U (en) | 2013-07-24 |
Family
ID=48827495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320066293 Expired - Fee Related CN203081653U (en) | 2013-02-05 | 2013-02-05 | Lift force/resistance force type vertical axis wind driven generator blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203081653U (en) |
-
2013
- 2013-02-05 CN CN 201320066293 patent/CN203081653U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130724 Termination date: 20160205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |