CN201011334Y - Vertical axis aerogenerator and wind turbine impeller - Google Patents
Vertical axis aerogenerator and wind turbine impeller Download PDFInfo
- Publication number
- CN201011334Y CN201011334Y CNU2007200479492U CN200720047949U CN201011334Y CN 201011334 Y CN201011334 Y CN 201011334Y CN U2007200479492 U CNU2007200479492 U CN U2007200479492U CN 200720047949 U CN200720047949 U CN 200720047949U CN 201011334 Y CN201011334 Y CN 201011334Y
- Authority
- CN
- China
- Prior art keywords
- blades
- vertical axis
- impeller
- axis aerogenerator
- primary blades
- 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
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
- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
Landscapes
- Wind Motors (AREA)
Abstract
The utility model discloses a vertical axial wind power generator, comprising a generator, an impeller and an upright bracket, wherein, the generator is arranged on the upright bracket and has a rotary shaft vertical upwards, the impeller is sleeved on the rotary shaft of the generator and has at least one vertical main vane; besides, at least one side of the main vane is connected with one or a plurality of vertical auxiliary impellers. By connecting auxiliary impellers at the side of the main vane of the impeller, the utility model can increase the windward thrust and reduce the leeward resistance at the same time, remarkably improving the rotate speed of the impeller and thus improving the utilization rate of the wind energy.
Description
Technical field
The utility model relates to a kind of wind-driven generator, relates in particular to a kind of vertical axis aerogenerator.
Background technique
Wind-driven generator is distinguished with the direction of its impeller rotating shaft, and horizontal shaft type and perpendicular axis type two big classes are arranged.On the domestic and international market, horizontal shaft type wind-driven generator still is the main flow form at present.But, horizontal shaft type wind-driven generator setting height(from bottom) height, take up room greatly, need the yaw system that facings the wind, wind loading rating is relatively poor, and noise is big during operation, starting wind velocity higher (more than general 3.5 meter per seconds).Compare with horizontal shaft type wind-driven generator, vertical axis aerogenerator can adapt to any wind direction, and setting height(from bottom) is lower, but also disjunctor is arranged, it is little to take up room, and heavy parts (generator, gearbox etc.) installation center of gravity is low, and global stability and wind resistance are good; The noise that generator sends during operation is little, simultaneously starting wind velocity low (about 2 meter per seconds).Therefore, in recent years, vertical axis aerogenerator more and more is subject to people's attention.
The impeller design of vertical axis aerogenerator is the principal element of decision generator wind energy utilization, starting wind velocity and cost.Modal vertical shaft fan blade is the resistance type fan blade, and flat, parabolic is arranged, and also has cross section to be similar to the so-called lift-type fan blade of aircraft wing longitudinal section.The power that promotes the fan blade rotation is the poor only of the thrust of windward side and lee face resistance; Therefore, increasing the thrust of facining the wind is the key that improves fan blade efficient with reducing leeward resistance.The structure of existing fan blade is too simple, makes the thrust of fan blade windward side and lee face resistance be more or less the same, and causes the rotating speed of impeller not high.
The model utility content
The utility model has overcome shortcoming of the prior art, provides a kind of side of impeller primary blades to be connected with the vertical axis aerogenerator of back blades.
In addition, the utility model also provides the vertical axis windmill impeller that a kind of side of primary blades is connected with back blades.
In order to solve the problems of the technologies described above, be achieved through the following technical solutions:
A kind of vertical axis aerogenerator comprises generator, impeller, staking, and described generator places on the staking, the running shaft of this generator vertically upward, described impeller set is connected on the described generator running shaft, impeller has at least one vertical primary blades; Be connected with one or more vertical back blades at least one side of described primary blades.
In above-mentioned vertical axis aerogenerator, the angle of described back blades and primary blades is 15 °-90 °.
In above-mentioned vertical axis aerogenerator, described primary blades is planar or curved surface shape; Described back blades is a planar, perhaps is the curved surface shape, perhaps is combining of dull and stereotyped and curved surface.
In above-mentioned vertical axis aerogenerator, the horizontal section of described curved surface is a parabola.
In above-mentioned vertical axis aerogenerator, described curved surface is the cylndrical surface.
In above-mentioned vertical axis aerogenerator, described primary blades is vertical hollow cylinder, and the shape of cross section of this cylinder is typical aircraft wing longitudinal section shape.
In above-mentioned vertical axis aerogenerator, the end that described cylinder thickness is bigger is connected with one or more back blades.
In above-mentioned vertical axis aerogenerator, described primary blades is fixedlyed connected with back blades, perhaps flexibly connects.
A kind of impeller of wind energy conversion system has at least one primary blades, and the blade of this impeller is provided with perpendicular to ground; At least one side in described primary blades is connected with one or more back blades.
Compared with prior art, the side of a kind of impeller primary blades that the utility model discloses is connected with the vertical axis aerogenerator of back blades, reduces leeward resistance when increasing the thrust of facining the wind, and the rotating speed of impeller is obviously improved, thereby improves utilization ratio of wind energy.
Description of drawings
Fig. 1 is the stereogram of vertical axis aerogenerator part among the embodiment one;
Fig. 2 is the plan view of Fig. 1;
Fig. 3 is the stereogram of vertical axis aerogenerator part among the embodiment two;
Fig. 4 is the plan view of Fig. 3;
Fig. 5 is the stereogram of vertical axis aerogenerator part among the embodiment three;
Fig. 6 is the plan view of Fig. 5;
Fig. 7 is the plan view of vertical axis aerogenerator part among the embodiment four;
Fig. 8 is a practical reference drawing of the present utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model is elaborated.
Embodiment one
See also Fig. 1, Fig. 2, disclosed a kind of vertical axis aerogenerator among the figure, comprised generator 1, impeller 2, staking 3, generator 1 places staking 3 tops, the running shaft of described generator 1 vertically upward, described impeller 2 is socketed on described generator 1 running shaft.Impeller 2 has three vertical primary blades 21 (only illustrating among the figure), and this primary blades 21 is a planar, and the rotating shaft axis A of generator 1 and the median plane of planar primary blades 21 are positioned on the same plane P.Fixedly install vertical back blades 221, back blades 222 respectively in the both sides of this primary blades 21, the mode that fixedly installs comprises that welding, riveted joint, grafting, connecting rod connect, and present embodiment adopts the riveted joint mode.The height of back blades 221,222 is identical with the height of described primary blades 21; Back blades 222 is a planar, and back blades 221 is the curved surface shape, and the horizontal section of described curved surface is parabola or its distortion.Above-mentioned back blades 221, back blades 222 are the end 211 of primary blades 21 away from staking 3 with the point of contact of primary blades 21.
Two leaf angles are defined as in the utility model: (1) is if two blades are planar: its angle is the angle on plane, two planar blade places; (2) if one in two blades are the curved surface shape for planar, one: the Line of contact of the crossing two blades tangent plane of planar blade of wrirting music, the angle of this tangent plane and above-mentioned planar blade is two leaf angles; (3) if two blades are the curved surface shape: the Line of contact of crossing two blades is made the tangent plane of two curved surface shape blades respectively, and the angle of two tangent planes is two leaf angles.In addition, if wherein a blade is combining of dull and stereotyped and curved surface, then only consider the shape of two blade contact segment blades.
As Fig. 2, back blades 221 is 90 ° with the angle of primary blades 21, and back blades 222 is 45 ° with the angle of primary blades 21.Certainly, described angle can be any angle in 15 °-90 °.
In addition, primary blades 21 can flexibly connect by modes such as hinge, spring, movable rod, hydraulic connecting rods with back blades 221,222.Simultaneously, can only a back blades be set in primary blades one side.
The back blades that is provided with in the primary blades both sides can increase the facing the wind thrust of direction of blade on the one hand, also reduces the resistance of leeward direction on the other hand, the rotating speed of impeller is obviously improved, thereby improve utilization ratio of wind energy.
Simultaneously, the impeller introduced of the utility model can also be used for except that power generation application other wind turbine impeller.
Embodiment two
See also Fig. 3, Fig. 4, present embodiment and embodiment's one difference is that in the present embodiment, primary blades 21 is connected with described generator 1 running shaft by the connecting rod 4 of a cross setting, and primary blades 21 is the curved surface shape.In addition, in an end of primary blades 21 inboards a back blades 221 is set, the outside of primary blades 21 is provided with three planar back blades 222,223,224 altogether; Wherein back blades 222 is arranged on primary blades 21 outsides, is positioned at the same end of primary blades 21 with back blades 221; Back blades 223, back blades 224 are distributed in the middle part in primary blades 21 outsides.As Fig. 4, back blades 221 is 35 ° with the angle of primary blades 21, and back blades 222 is 35 ° with the angle of primary blades 21, and back blades 223 is 30 ° with the angle of primary blades 21, and back blades 224 is 25 ° with the angle of primary blades 21.
Certainly, can a plurality of back blades all be set in the both sides of primary blades; Perhaps only therein a side a plurality of back blades are set, and opposite side is not provided with back blades.
Embodiment three
See also Fig. 5, Fig. 6, present embodiment and embodiment's two difference is that in the present embodiment, primary blades 21 is a planar, and the inboard of one end is provided with back blades 221, and in the present embodiment, back blades 221 is the cylndrical surface and the combining an of curved surface; At the two ends in primary blades 21 outsides curved surface shape back blades 222, planar back blades 223 are set respectively.Back blades 221 is 110 ° with the angle of primary blades 21, and back blades 222 is 45 ° with the angle of primary blades 21, and back blades 223 is 45 ° with the angle of primary blades 21.In addition, in order to reduce resistance, excessive between planar back blades 223 and the primary blades 21 by a curved surface.
Embodiment four
See also Fig. 7, present embodiment and embodiment's two difference is that in the present embodiment, primary blades 21 is vertical hollow cylinder, and the shape of cross section of described hollow cylinder is typical aircraft wing longitudinal section shape; Be connected with one the 1/4 planar back blades 221 of cylinder at the bigger end of described cylinder thickness.Back blades 221 is 80 ° with the angle of primary blades 21.
Present embodiment impeller and unidimensional not as follows with the rotating speed contrast of the impeller (contrast impeller) of back blades:
Wind speed (meter per second) rotating speed (rev/min)
Present embodiment impeller 7.5 90
Contrast impeller 7.5 40
Test shows that the wind energy utilization that has the impeller of back blades obviously improves.
Embodiment five
Present embodiment and embodiment's one difference is, in the present embodiment, primary blades is combining of dull and stereotyped and curved surface, in the both sides of this primary blades two back blades are set respectively, it is 1/4 cylndrical surface that one back blades is wherein arranged, and the angle of each back blades and primary blades is respectively: 15 °, 60 °, 30 °, 90 °.Certainly, back blades wherein also can combining for dull and stereotyped and curved surface.
Above embodiment is the unrestricted the technical solution of the utility model in order to explanation only.Any modification or partial replacement that does not break away from the utility model spirit and scope all should be encompassed in the middle of the claim scope of the present utility model.
Claims (9)
1. a vertical axis aerogenerator comprises generator, impeller, staking, and described generator places on the staking, the running shaft of this generator vertically upward, described impeller set is connected on the described generator running shaft, impeller has at least one vertical primary blades;
It is characterized in that:
Be connected with one or more vertical back blades at least one side of described primary blades.
2. vertical axis aerogenerator according to claim 1 is characterized in that, the angle of described back blades and primary blades is 15 °-90 °.
3. vertical axis aerogenerator according to claim 1 is characterized in that, described primary blades is planar or curved surface shape; Described back blades is a planar, perhaps is the curved surface shape, perhaps is combining of dull and stereotyped and curved surface.
4. vertical axis aerogenerator according to claim 3 is characterized in that, the horizontal section of described curved surface is a parabola.
5. vertical axis aerogenerator according to claim 3 is characterized in that, described curved surface is the cylndrical surface.
6. vertical axis aerogenerator according to claim 1 is characterized in that, described primary blades is vertical hollow cylinder, and the shape of cross section of this cylinder is typical aircraft wing longitudinal section shape.
7. vertical axis aerogenerator according to claim 6 is characterized in that, the end that described cylinder thickness is bigger is connected with one or more back blades.
8. according to any described vertical axis aerogenerator of claim 1 to 7, it is characterized in that described primary blades is fixedlyed connected with back blades, perhaps flexibly connect.
9. the impeller of a wind energy conversion system has at least one primary blades, and the blade of this impeller is provided with perpendicular to ground; It is characterized in that: at least one side in described primary blades is connected with one or more back blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200479492U CN201011334Y (en) | 2007-01-29 | 2007-01-29 | Vertical axis aerogenerator and wind turbine impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200479492U CN201011334Y (en) | 2007-01-29 | 2007-01-29 | Vertical axis aerogenerator and wind turbine impeller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201011334Y true CN201011334Y (en) | 2008-01-23 |
Family
ID=39046278
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200479492U Expired - Fee Related CN201011334Y (en) | 2007-01-29 | 2007-01-29 | Vertical axis aerogenerator and wind turbine impeller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201011334Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828902A (en) * | 2011-09-13 | 2012-12-19 | 南通大学 | Coupled wind machine |
| CN106050556A (en) * | 2016-08-15 | 2016-10-26 | 上海理工大学 | Self-adaptive flexible blade of vertical-shaft wind turbine |
| CN106089592A (en) * | 2016-08-08 | 2016-11-09 | 徐州工程学院 | A kind of double blade wind power generating set with vertical shaft and method of work thereof |
| CN108590953A (en) * | 2018-02-23 | 2018-09-28 | 远安中晟新能源设备科技有限公司 | Low wind speed main resistance type vertical axis wind power tower unit |
| CN111486050A (en) * | 2020-03-05 | 2020-08-04 | 天津大学 | Deformable power generation sail and unmanned exploration ship carrying same |
-
2007
- 2007-01-29 CN CNU2007200479492U patent/CN201011334Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102828902A (en) * | 2011-09-13 | 2012-12-19 | 南通大学 | Coupled wind machine |
| CN106089592A (en) * | 2016-08-08 | 2016-11-09 | 徐州工程学院 | A kind of double blade wind power generating set with vertical shaft and method of work thereof |
| CN106050556A (en) * | 2016-08-15 | 2016-10-26 | 上海理工大学 | Self-adaptive flexible blade of vertical-shaft wind turbine |
| CN108590953A (en) * | 2018-02-23 | 2018-09-28 | 远安中晟新能源设备科技有限公司 | Low wind speed main resistance type vertical axis wind power tower unit |
| CN111486050A (en) * | 2020-03-05 | 2020-08-04 | 天津大学 | Deformable power generation sail and unmanned exploration ship carrying same |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101583792B (en) | A wind turbine apparatus | |
| CN201011334Y (en) | Vertical axis aerogenerator and wind turbine impeller | |
| CN101008376A (en) | Looseleaf friction reducing and rotary-wing wind turbine generator sets | |
| CN201159141Y (en) | Dual-purpose aerogenerator | |
| CN108612623A (en) | A kind of floating type offshore vertical axis wind powered generator system of blade | |
| CN201433854Y (en) | Helical flexible blade turbine | |
| CN101012806A (en) | Vertical axis wings type wind mill | |
| CN102162427B (en) | Perpendicular shaft wind turbine rotor with adjustable dip angles of blades | |
| CN201433856Y (en) | Combined wind driven generator | |
| JP6312284B1 (en) | Sail equipment | |
| CN102392792A (en) | Vertical shaft wind-driven generation system structure and control method thereof | |
| CN104863792A (en) | Vertical-axis wind turbine camber blade with torsional angles | |
| CN206144708U (en) | Resistance type gentle breeze is from becoming oar aerogenerator | |
| CN113417799A (en) | Auxiliary starting device for support arm of vertical axis wind turbine | |
| CN201865841U (en) | Lift-drag fused wing plate type vertical axis wind wheel | |
| CN104595104B (en) | Vertical shaft fan impeller with flexible vanes | |
| JP5757617B2 (en) | Darius vertical axis wind turbine, Darius vertical axis wind turbine blades, and Darius vertical axis wind turbine rotor | |
| CN207526636U (en) | Coupled mode vertical axis aerogenerator | |
| CN202250596U (en) | Blade of vertical axis wind generator | |
| CN202756179U (en) | Breeze and solar hybrid efficient low-resistance power generator | |
| CN205592064U (en) | Vertical scroll aerogenerator of automatic switching of blade | |
| CN206539452U (en) | A kind of combined wind power generating set with vertical shaft | |
| CN105134478A (en) | Rectifying wind generator set and manufacturing method thereof | |
| CN220909892U (en) | Vertical wind motor system and vertical wind power generation system | |
| CN201090377Y (en) | Vertical sail type movable-blade windmill |
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: 20080123 Termination date: 20100129 |