CN102434394A - Turbulent flow device of Vertical axis wind turbine, bracket and vertical axis wind turbine - Google Patents
Turbulent flow device of Vertical axis wind turbine, bracket and vertical axis wind turbine Download PDFInfo
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- CN102434394A CN102434394A CN2011104597395A CN201110459739A CN102434394A CN 102434394 A CN102434394 A CN 102434394A CN 2011104597395 A CN2011104597395 A CN 2011104597395A CN 201110459739 A CN201110459739 A CN 201110459739A CN 102434394 A CN102434394 A CN 102434394A
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- vertical axis
- spoiler
- axis windmill
- flow device
- rocking bar
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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
Abstract
The invention provides a turbulent flow device of a vertical axis wind turbine, a bracket and the vertical axis wind turbine. Outer surfaces of two layers of horizontal surfaces of the turbulent flow device of the vertical axis wind turbine are respectively provided with a surface turbulent flow plate, one side of each surface turbulent flow plate is fixedly connected with a support main rod, and a rocker rod is connected to each surface turbulent flow plate. When the rotating speed of a wind wheel reaches a limit value, the surface turbulent flow plates are coincident with and cover the support main rod; and when the rotating speed of the wind wheel is more than the limit value, the surface turbulent flow plates are in a state that the rocker rods are supported to generate larger resistance to ensure that the rotating speed of the vertical axis wind turbine is reduced. The invention also provides a bracket comprising the turbulent flow device of the vertical axis wind turbine, and the vertical axis wind turbine. According to the invention, operation speed of the vertical axis wind turbine during heavy wind can be reduced, and wind energy utilization safety is improved.
Description
Technical field
The present invention relates to the wind energy application, relate in particular to a kind of vertical axis windmill disturbing flow device, support and vertical axis windmill.
Background technique
At present, vertical axis windmill mainly contains S type, Φ type and three kinds of structural types of H type.As shown in Figure 1, be example with H type vertical axis windmill, the wind wheel of vertical axis windmill comprises rotating shaft 101, blade 102 and support 103; Be fixedly connected support 103 between each blade 102 and the rotating shaft 101.Rotating shaft 101 lower ends of vertical axis windmill can be connected with generator, and vertical axis windmill receives and the wind comes from, and becomes electric energy to export to generator wind energy transformation.When wind-force was very big, the rotating speed of vertical axis windmill uprised, and the output power of wind energy conversion system rises significantly.The too high load that the vertical axis windmill structure is born of rotating speed itself is very big, causes the dangerous of structure, if the too high meeting of output power burns out generator simultaneously.Therefore need carry out safety brake to vertical axis windmill.
The inventor finds in practice; The blade 102 of vertical axis windmill is vertically to arrange, is the fixed pitch structure, in the wind wheel rotation process of vertical axis windmill; The angle of attack of blade 102 is difficult to control; This vertical axis windmill structure can't reduce the motion speed of wind wheel when strong wind, cause the damage of vertical axis windmill easily, and the safety in utilization of vertical axis windmill is not high.
Summary of the invention
The present invention provides a kind of vertical axis windmill disturbing flow device, support and vertical axis windmill, can reduce the picked-up of vertical axis wind turbine rotor to the incoming flow wind energy, reduces the motion speed of vertical axis windmill when strong wind, improves the Wind Power Utilization Security.
A kind of vertical axis windmill disturbing flow device comprises:
Four support mobile jibs 1, surperficial spoiler 2, last rocking bar 3 and following rocking bars 4;
Wherein, four support mobile jibs 1 comprise two upper bracket mobile jibs 11 and two lower support frame mobile jibs 12; Two upper bracket mobile jibs 11 are positioned at same horizontal plane, and two lower support frame mobile jibs 12 are positioned at another horizontal plane below the upper bracket mobile jib 11;
Following rocking bar 4 one ends are fixedly connected on the transmission shaft 6 through crank 5, and the other end is fixedly connected on down on the spoiler 22.
Optional, universal joint 8 is installed on the transmission shaft 6, universal joint 8 links to each other with gear motor 9.
Optional, gear motor 9 is used for driving transmission shaft 6 through universal joint 8 and rotates;
Transmission shaft 6 is used to drive said crank 5 swings;
Crank 5 is used to drive rocking bar 3 and following rocking bar 4 swings.
Optional, when wind speed during less than permitted value, upper surface spoiler 21 levels cover on two upper bracket mobile jibs 11; When wind speed during greater than permitted value, upper surface spoiler 21 is used for swinging upwards into predeterminated position through the drive of last rocking bar 3;
When wind speed during less than permitted value, lower surface spoiler 22 covers two lower support frame mobile jibs 12 fully; When wind speed during greater than permitted value, lower surface spoiler 22 is used for swinging to predeterminated position downwards through the drive of rocking bar 4 down.
Optional, the distance that upper surface spoiler 21 is fixed between the another side corresponding with it of one side of connecting equals two distances between the upper bracket mobile jib 11;
The distance that lower surface spoiler 22 is fixed between the another side corresponding with it of one side of connecting equals two distances between the lower support frame mobile jib 12.
Optional, the planar peripheral that is constituted between upper bracket mobile jib 11 and the lower support frame mobile jib 12 is equipped with rectification covering 7.
A kind of vertical-shaft wind machine support comprises:
Aforesaid vertical axis windmill disturbing flow device.
A kind of vertical axis windmill comprises:
Aforesaid vertical-shaft wind machine support.
Can find out that from above technological scheme the embodiment of the invention has the following advantages:
A kind of vertical axis windmill disturbing flow device provided by the invention, support and vertical axis windmill; Support mobile jib outer surface on the two-layer horizontal plane of vertical axis windmill disturbing flow device is the installation surface spoiler respectively; The surface spoiler is fixedly connected with the support mobile jib on one side, and surperficial spoiler is connected with rocking bar.When wind speed round when reaching limit value, surperficial spoiler covers on the support mobile jib with overlapping; When wind speed round is during greater than limit value, surperficial spoiler is in the state that is strutted by rocking bar, to produce bigger resistance, the rotating speed of vertical axis windmill is reduced.The present invention provides support and the vertical axis windmill that comprises this vertical axis windmill disturbing flow device simultaneously, can reduce the motion speed of vertical axis windmill when strong wind, improves the Wind Power Utilization Security.
Description of drawings
In order to be illustrated more clearly in the technological scheme among the present invention; To do to introduce simply to the accompanying drawing of required use among the embodiment below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the H type vertical axis windmill basic block diagram of existing technology;
Fig. 2 is the basic block diagram of a kind of vertical axis windmill disturbing flow device provided by the invention;
Fig. 3 is the A-A ' directional diagram of the basic block diagram of a kind of vertical axis windmill disturbing flow device provided by the invention;
Fig. 4 is the basic block diagram of another kind of vertical axis windmill disturbing flow device provided by the invention;
Fig. 5 is the A-A ' directional diagram of the basic block diagram of another kind of vertical axis windmill disturbing flow device provided by the invention.
Embodiment
The present invention provides a kind of vertical axis windmill disturbing flow device, support and vertical axis windmill, can reduce the picked-up of vertical axis wind turbine rotor to the incoming flow wind energy, reduces the motion speed of vertical axis windmill when strong wind, improves the Wind Power Utilization Security.
To combine the accompanying drawing among the present invention below, the technological scheme among the present invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiments.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
See also Fig. 2, Fig. 2 is the basic block diagram of a kind of vertical axis windmill disturbing flow device provided by the invention.As shown in Figure 2, this vertical axis windmill disturbing flow device comprises:
Four support mobile jibs 1, surperficial spoiler 2, last rocking bar 3 and following rocking bars 4;
Wherein, four support mobile jibs 1 comprise two upper bracket mobile jibs 11 and two lower support frame mobile jibs 12; Two upper bracket mobile jibs 11 are positioned at same horizontal plane, and two lower support frame mobile jibs 12 are positioned at another horizontal plane below the upper bracket mobile jib 11;
Wherein, the distance between support mobile jib 11 and the support mobile jib 12 is pressed the support size design of actual demand, and the present invention does not limit.Distance between two support mobile jibs 11 and two the support mobile jibs 12 also can design by actual demand, and the present invention does not limit.
Preferably, Yi Bian upper surface spoiler 21 be fixedly installed to wherein on the upper bracket mobile jib 11; Lower surface spoiler 22 is fixedly installed on the lower support frame mobile jib 12 with upper bracket mobile jib 11 the same sides on one side.
Following rocking bar 4 one ends are fixedly connected on the transmission shaft 6 through crank 5, and the other end is fixedly connected on down on the spoiler 22.
Wherein, the quantity of last rocking bar 3 and following rocking bar 4 is set quantity according to actual needs, and the present invention does not limit.
Among the present invention, universal joint 8 is installed on the transmission shaft 6, universal joint 8 links to each other with gear motor 9.
Among the present invention, gear motor 9 is used for driving transmission shaft 6 through universal joint 8 and rotates;
Transmission shaft 6 is used to drive crank 5 swings;
Crank 5 is used to drive rocking bar 3 and following rocking bar 4 swings.
Please consult figure Fig. 3 in the lump, Fig. 3 is the A-A ' directional diagram of the basic block diagram of a kind of vertical axis windmill disturbing flow device provided by the invention.Among the present invention, when wind speed during greater than permitted value, upper surface spoiler 21 is used for swinging upwards into predeterminated position through the drive of last rocking bar 3;
When wind speed during greater than permitted value, lower surface spoiler 22 is used for swinging to predeterminated position downwards through the drive of rocking bar 4 down.
Wherein, Very big at wind speed, when the wind wheeling rotor rotating speed surpasses permitted value, system's control gear motor 9 operations; Gear motor 9 is used for driving transmission shaft 6 through universal joint 8 and rotates; Transmission shaft 6 is used to drive crank 5 swings, and crank 5 is used for driving simultaneously rocking bar 3 and following rocking bar 4 swings, and upper surface spoiler 21 swings upwards into predeterminated position and drive lower surface spoiler 22 swings to predeterminated position downwards to drive respectively.
Please consult Fig. 4 and Fig. 5 in the lump, Fig. 4 is the basic block diagram of another kind of vertical axis windmill disturbing flow device provided by the invention; Fig. 5 is the A-A ' directional diagram of the basic block diagram of another kind of vertical axis windmill disturbing flow device provided by the invention.
Among the present invention, when wind speed during less than permitted value, upper surface spoiler 21 levels cover on two upper bracket mobile jibs 11; When wind speed during less than permitted value, lower surface spoiler 22 covers two lower support frame mobile jibs 12 fully.
Wherein, less when wind speed, the wind wheel rotational velocity is during less than permitted value; System's control gear motor 9 inverted runnings; Be used for driving transmission shaft 6 through universal joint 8 and rotate, the rotary action through transmission shaft 6 drives crank 5 swings again, thereby can drive rocking bar 3 and following rocking bar 4 swings; Make upper surface spoiler 21 swing to predeterminated position downwards respectively and lower surface spoiler 22 swings upwards into predeterminated position, make upper surface spoiler 21 and two upper bracket mobile jibs 11 near; Make lower surface spoiler 22 and two lower support frame mobile jibs 12 near.
Among the present invention, the distance that upper surface spoiler 21 is fixed between the another side corresponding with it of one side of connecting equals two distances between the upper bracket mobile jib 11;
The distance that lower surface spoiler 22 is fixed between the another side corresponding with it of one side of connecting equals two distances between the lower support frame mobile jib 12.
Among the present invention, the planar peripheral that is constituted between upper bracket mobile jib 11 and the lower support frame mobile jib 12 is equipped with rectification covering 7.
Wherein, When upper surface spoiler 21 and two upper bracket mobile jibs 11 near; And lower surface spoiler 22 also with two lower support frame mobile jibs 12 near the time, upper surface spoiler 21 forms a fairshaped rack surface with lower surface spoiler 22 and support mobile jib 1 peripheral rectification covering 7.At this moment, wind can pass through rack surface smoothly, and vertical axis windmill is normally moved.
A kind of vertical-shaft wind machine support can comprise: like Fig. 2 and vertical axis windmill disturbing flow device shown in Figure 4.The present invention does not limit this.
A kind of vertical axis windmill comprises like above-mentioned vertical-shaft wind machine support.The present invention does not limit this.
A kind of vertical axis windmill disturbing flow device provided by the invention, support and vertical axis windmill; Support mobile jib outer surface on the two-layer horizontal plane of vertical axis windmill disturbing flow device is the installation surface spoiler respectively; The surface spoiler is fixedly connected with the support mobile jib on one side, and surperficial spoiler is connected with rocking bar.When wind speed round when reaching limit value, surperficial spoiler covers on the support mobile jib with overlapping; When wind speed round is during greater than limit value, surperficial spoiler is in the state that is strutted by rocking bar, to produce bigger resistance, the rotating speed of vertical axis windmill is reduced.The present invention provides support and the vertical axis windmill that comprises this vertical axis windmill disturbing flow device simultaneously, can reduce the motion speed of vertical axis windmill when strong wind, improves the Wind Power Utilization Security.
More than a kind of vertical axis windmill disturbing flow device provided by the present invention, support and vertical axis windmill have been carried out detailed introduction; For one of ordinary skill in the art; Thought according to the embodiment of the invention; The part that on embodiment and application area, all can change, in sum, this description should not be construed as limitation of the present invention.
Claims (8)
1. a vertical axis windmill disturbing flow device is characterized in that, comprising:
Four support mobile jibs (1), surperficial spoiler (2), last rocking bar (3) and following rocking bar (4);
Wherein, said four support mobile jibs (1) comprise two upper bracket mobile jibs (11) and two lower support frame mobile jibs (12); Two upper bracket mobile jibs (11) are positioned at same horizontal plane, and two lower support frame mobile jibs (12) are positioned at another horizontal plane below the said upper bracket mobile jib (11);
Said surperficial spoiler (2) comprises upper surface spoiler (21) and lower surface spoiler (22); Said upper surface spoiler (21) is fixedly installed on one side wherein on the said upper bracket mobile jib (11); Said lower surface spoiler (22) is fixedly installed on one side wherein on the said lower support frame mobile jib (12);
Said rocking bar (3) one ends of going up are fixedly connected on through crank (5) on the transmission shaft (6) in the space that is positioned at four said support mobile jibs (1) formation, and the other end is fixedly connected on said going up on the spoiler (21);
Said rocking bar (4) one ends down are fixedly connected on the said transmission shaft (6) through said crank (5), and the other end is fixedly connected on the said spoiler (22) down.
2. vertical axis windmill disturbing flow device according to claim 1 is characterized in that,
Universal joint (8) is installed on the said transmission shaft (6), and said universal joint (8) links to each other with gear motor (9).
3. vertical axis windmill disturbing flow device according to claim 2 is characterized in that,
Said gear motor (9) is used for driving said transmission shaft (6) through said universal joint (8) and rotates;
Said transmission shaft (6) is used to drive said crank (5) swing;
Said crank (5) is used to drive said go up rocking bar (3) and following rocking bar (4) swing.
4. vertical axis windmill disturbing flow device according to claim 1 is characterized in that,
When wind speed during less than permitted value, said upper surface spoiler (21) level covers on two said upper bracket mobile jibs (11); When wind speed during greater than permitted value, said upper surface spoiler (21) is used for swinging upwards into predeterminated position through said drive of going up rocking bar (3);
When wind speed during less than permitted value, said lower surface spoiler (22) covers two said lower support frame mobile jibs (12) fully; When wind speed during greater than permitted value, said lower surface spoiler (22) is used for swinging to predeterminated position downwards through the said drive of rocking bar (4) down.
5. vertical axis windmill disturbing flow device according to claim 1 is characterized in that,
The distance that said upper surface spoiler (21) is fixed between the another side corresponding with it of one side of connecting equals the distance between two said upper bracket mobile jibs (11);
The distance that said lower surface spoiler (22) is fixed between the another side corresponding with it of one side of connecting equals the distance between two said lower support frame mobile jibs (12).
6. according to any described vertical axis windmill disturbing flow device in the claim 1 to 5, it is characterized in that,
The planar peripheral that is constituted between said upper bracket mobile jib (11) and the said lower support frame mobile jib (12) is equipped with rectification covering 7.
7. a vertical-shaft wind machine support is characterized in that, comprising:
Vertical axis windmill disturbing flow device described in claim 1 to 6.
8. a vertical axis windmill is characterized in that, comprising:
Vertical-shaft wind machine support as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104597395A CN102434394B (en) | 2011-12-31 | 2011-12-31 | Turbulent flow device of Vertical axis wind turbine, bracket and vertical axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104597395A CN102434394B (en) | 2011-12-31 | 2011-12-31 | Turbulent flow device of Vertical axis wind turbine, bracket and vertical axis wind turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102434394A true CN102434394A (en) | 2012-05-02 |
| CN102434394B CN102434394B (en) | 2013-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011104597395A Active CN102434394B (en) | 2011-12-31 | 2011-12-31 | Turbulent flow device of Vertical axis wind turbine, bracket and vertical axis wind turbine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747374A (en) * | 2013-12-25 | 2015-07-01 | 深圳市泰玛风光能源科技有限公司 | Intelligent variable pitch speed regulation method and system for wind driven generator |
| CN104912744A (en) * | 2015-06-10 | 2015-09-16 | 成都赋阳技术开发有限公司 | Offshore wind power generation device |
| CN106907294A (en) * | 2017-04-01 | 2017-06-30 | 王旭 | A kind of light-duty wind power generation plant |
| CN107605667A (en) * | 2016-07-12 | 2018-01-19 | 北京博比风电科技有限公司 | A kind of modularization pneumatic equipment bladess part synergy design method |
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| CN202451366U (en) * | 2011-12-31 | 2012-09-26 | 深圳市风发科技发展有限公司 | Perpendicular shaft wind machine disturbed flow device, support and perpendicular shaft wind machine |
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| US4692095A (en) * | 1984-04-26 | 1987-09-08 | Sir Henry Lawson-Tancred, Sons & Co. Ltd. | Wind turbine blades |
| WO2004099608A1 (en) * | 2003-05-05 | 2004-11-18 | Lm Glasfiber A/S | Wind turbine blade with lift-regulating means |
| US20080075594A1 (en) * | 2006-09-15 | 2008-03-27 | Bailey James L | Self-regulating windmill with horizontally oriented blades |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747374A (en) * | 2013-12-25 | 2015-07-01 | 深圳市泰玛风光能源科技有限公司 | Intelligent variable pitch speed regulation method and system for wind driven generator |
| CN104912744A (en) * | 2015-06-10 | 2015-09-16 | 成都赋阳技术开发有限公司 | Offshore wind power generation device |
| CN107605667A (en) * | 2016-07-12 | 2018-01-19 | 北京博比风电科技有限公司 | A kind of modularization pneumatic equipment bladess part synergy design method |
| CN106907294A (en) * | 2017-04-01 | 2017-06-30 | 王旭 | A kind of light-duty wind power generation plant |
| CN106907294B (en) * | 2017-04-01 | 2019-01-01 | 睢宁恒辉新能源科技有限公司 | A kind of light-duty wind power generation plant |
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| Publication number | Publication date |
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| CN102434394B (en) | 2013-10-23 |
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