CN104500329A - Vertical-shaft impeller with foldable blades on basis of fixture block mechanism - Google Patents
Vertical-shaft impeller with foldable blades on basis of fixture block mechanism Download PDFInfo
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- CN104500329A CN104500329A CN201410673672.9A CN201410673672A CN104500329A CN 104500329 A CN104500329 A CN 104500329A CN 201410673672 A CN201410673672 A CN 201410673672A CN 104500329 A CN104500329 A CN 104500329A
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- blade
- fixture block
- blade support
- blades
- impeller
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- 230000007246 mechanism Effects 0.000 title claims abstract description 11
- 229920003266 Leaf® Polymers 0.000 claims description 19
- 230000007935 neutral effect Effects 0.000 claims description 3
- 238000010248 power generation Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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- 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
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
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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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
Abstract
The invention relates to a vertical-shaft impeller with foldable blades on the basis of a fixture block mechanism. The vertical-shaft impeller comprises a bearing block, a spindle, an upper blade support, a lower blade support, four gear sets, four retaining rods, four fixture block sets, four outer blades and four inner blades. When the blades rotate around the shaft or regularly rotate automatically, the positions of the blades can be changed; when windward, the blades are unfolded to be flat plates, windward area is enlarged, and stressed rotation torque is increased; when against the wind, the blades are foldable, and headwind resistance is reduced, so that the fan impeller has better self-starting performance and higher power generation efficiency.
Description
Technical field
The present invention relates to technical field of wind power generation, be specifically related to a kind of collapsible blade vertical axis impeller based on fixture block mechanism.
Background technique
The energy is power and the guarantee of human social development progress.In recent years, along with the high speed development of global economy, coal, oil, the conventional energy resources such as rock gas are by fast, and a large amount of consumption, this allows the mankind not only in the face of the increasingly exhausted pressure of resource, receives the threat that environment constantly worsens simultaneously.The energy and environmental protection have become the pressing problem that mankind nowadays survival and development are badly in need of solving.Wind-powered electricity generation is as a kind of new energy of clean environment firendly, neither consume limited coal resources, also valuable underground wind-resources can not be consumed, more be conducive to the sustainable development of national economy, district greatly develops the wind power plant of the high efficient and reliable of applicable concrete area feature is throughout the country coming.Realize the industrialization of wind-power electricity generation, practical, require dynamical Fan Product, can utilize wind energy to greatest extent, this just requires that we study the performance of wind energy conversion system, improves blower fan and catches the maximum of wind energy, produces efficient energy and transforms.
At present, the principal mode of wind-power electricity generation is electric energy by blower fan apparatus by wind energy transformation, therefore design a kind of efficient, reliably blower fan be the key technology of Wind Power Utilization.The moulding of blower fan should consider that structure also will consider the other factorses such as weight.Current blower fan form mainly contains horizontal axis blower fan and vertical shaft fan two kinds, that impeller axis is parallel with the relative position of wind direction is horizontal axial type impeller (HAWT), and that impeller axis is vertical with the relative position of wind direction is perpendicular axis type impeller (VAWT).
Same level axle Wind turbines is compared, and vertical axis wind electric unit has following advantage:
(1) perpendicular axis type impeller axis is with to carry out flow path direction vertical, can catch the wind energy in any direction, and structure is simple, is well suited for miniaturization Independent Power Generation.
(2) vertical shaft fan installation and maintenance is simple, and manufacturing process is simple, and cost is low, and Economy is strong.
(3) vertical shaft fan to blade structure and requirement of strength low.
(4) perpendicular axis type impeller can be effectively worked at complicated turbulent flow, is therefore more suitable for the small-size wind power-generating place being applied in complex-terrain, as the rural area of remote districts.
(5) tip-speed ratio horizontal axis impeller little of vertical axis impeller blade, under such slow-speed of revolution, aerodynamic noise is very little, even can reach quiet effect, be conducive to environmental protection.
Vertical axis impeller common at present mainly contains lift vertical shaft impeller and resistance-type vertical axis impeller.The main representative of lift-type is Darrieus impeller, and the main representative of resistance type is Savonius impeller.
Be in the innovation and creation of US1835018A at publication number, disclose a kind of Darrieus wind-force impeller.This blade wheel structure is simple, lift coefficient is high, but startability is poor, is difficult to especially at low wind speeds start.
Be in the innovation and creation of US1766765A at publication number, disclose a kind of Savonius wind-force impeller.This impeller startability is good, has very large wind speed and utilizes scope, but along with the rotation of rotor, its torque amplitude of variation is from high to low very large, even can drop to the degree close to zero, therefore have lower total efficiency.
Simultaneously, Tian Wenlong discloses a kind of moving vane type vertical shaft fan impeller in a literary composition of " a kind of numerical simulation of new vertical shaft type draught fan impeller " of " mechanical engineering journal " 18 phases in 2013, impeller is installed multiple board-type moving vane, blade while installation shaft revolution around self installation shaft rotation, but the total efficiency of this impeller is still lower.
Summary of the invention
The technical problem solved
In order to overcome the problem that in prior art, the self-starting of lift vertical shaft impeller is difficult and resistance-type vertical axis impeller energy capture rate is low, the present invention proposes a kind of collapsible blade vertical axis impeller based on fixture block mechanism.
Technological scheme
Based on a collapsible blade vertical axis impeller for fixture block mechanism, it is characterized in that comprising bearing support, main shaft, upper blade support, lower blade support, four groups of gear trains, four groups of pins, four groups of fixture block groups, four outer leafs and four intra vanes; Main shaft is arranged on bearing support, and upper blade support becomes cross to cross with lower blade support by four bars to form, be fixedly mounted on the top and bottom of main shaft respectively; The upper end of four pins is arranged on four bars of upper blade support respectively, and the lower end of four pins is arranged on four bars of lower blade support respectively; Four vane group lay respectively between described upper blade support and lower blade support, and are arranged on the top of upper and lower each bar of blade rack by the mode of axis hole Spielpassung; Described gear train by be arranged on each blade root upper surface gear shaft on gear form, and be arranged in two gears meshing of same vane group; Described fixture block group symmetry is installed on one group of adjacent outer leafs, the neutral position of intra vane.
Described outer leafs, intra vane are rectangular plate-like.
Described main shaft is cylindric.
Beneficial effect
A kind of collapsible blade vertical axis impeller based on fixture block mechanism that the present invention proposes, while pivoting, also can be regular from transferring the position changing blade, can make blade windward time, expand into flat board, increase wind-exposuring area, improve suffered moment of rotation, when contrary wind, blade can fold, and reduces resistance against the wind, make draught fan impeller have good self-starting, also there is higher generating efficiency simultaneously.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention
Fig. 2 is structural representation sectional drawing of the present invention
Fig. 3 is partial enlarged drawing of the present invention
1-bearing support, 2-main shaft, 3-lower blade support, 4-gear train, 5-pin, 6-fixture block group, 7-outer leafs, 8-intra vane, 9-upper blade support: A. Resistance Level, B. lift district.
Embodiment
Now in conjunction with the embodiments, the invention will be further described for accompanying drawing:
The present embodiment is a kind of collapsible blade vertical axis impeller based on fixture block mechanism, comprises bearing support 1, main shaft 2, two blade racks, four groups of gear trains, 4, four groups of pins, 5, four groups of fixture block groups, 6, four outer leafs, 7, four intra vanes 8.
Main shaft 2 is arranged on bearing support 1, and blade rack is fixedly mounted on main shaft 2 top and bottom respectively, defines upper blade support 9 and lower blade support 3; The upper end of four pins 5 is arranged on each bar of upper blade support 9 respectively, and the lower end of four pins 5 is connected on each bar of lower blade support 3 respectively.Four vane group lay respectively between upper blade support 9 and lower blade support 3, and are arranged on the top of each bar of blade rack 3 by the mode of axis hole Spielpassung.All there is rotating shaft at the upper surface of each blade root, each rotating shaft is separately installed with gear, and make two gears meshing being arranged in same vane group, constitute gear train.
Four fixture block groups 6 include four fixture blocks.Often organize fixture block symmetry and be installed on the neutral position of vane group near installation shaft side, two fixture block alignment during installation, fixture block group laminating during to ensure that vane group closes, and blade two sides all there is installation.
Each vane group includes outer leafs 7, intra vane 8.Outer leafs 7 and intra vane 8 are rectangular plate-like.When assembling each vane group, make the plane surface of each outer leafs relative with the plane surface of each intra vane respectively.Gear shaft is loaded onto respectively at the upper surface of outer leafs and the upper surface of intra vane.Two gears are contained on each gear shaft respectively.
Main shaft 2 is arranged on bearing support 1, can rotate freely relative to bearing support 1.Upper blade support 9 and lower blade support 3 become cross to cross by four bars to form respectively, and have the through hole coordinated with main shaft interference fit in four Gen Gan intersections.The upper end of four pins is connected on each bar of upper blade support 9 respectively, and the lower end of four pins is connected on each bar of lower blade support 3 respectively.
In the present embodiment, four groups of blades are arranged on the top on upper blade support 9 and lower blade support 3 four limits respectively.Often a gear train 4 is all installed in group outer leafs 7 and the rotating shaft of intra vane 8, make this group outer leafs 7 must open with intra vane 8 simultaneously or close.In one group of blade, when outer leafs 7 closes with intra vane 8, this group blade composition lift-type blade; When outer leafs 7 is opened with intra vane 8, this group blade forms the resistance type blade had compared with daying flow area.
During work: because blade meets flow path direction difference in impeller unit, impeller unit can be divided into Resistance Level and lift district according to coming flow path direction.In Resistance Level, outer leafs 7 and the intra vane 8 of vane group are flared to 180 degree, and vane group is subject to the resistance of incoming flow, drive main shaft 2 to turn clockwise; In lift district, outer leafs 7 and the intra vane 8 of vane group are closed to 10 degree, under the effect of incoming flow, produce lift, drive main shaft 2 to turn clockwise.
When one group of blade rotary of Resistance Level enters lift district, owing to meeting the change of flow path direction, originally the blade opened closes gradually, simultaneously, with this group blade axisymmetric vane group intake resistance district, owing to meeting the change of flow path direction, originally closed blade is flared to 180 degree gradually, intra vane 8 contacts with pin 5, and blade keeps open configuration.These two groups of blades synchronous rotary under the effect of connecting rod.
Impeller unit moves according to above-mentioned principle, makes impeller continue to rotate, thus reaches generating object.
The present invention rotates while realizing intra vane and outer leafs by the gear train be positioned in each vane group; The existence of fixture block on blade, the minimum angle of often pair of blade is 10 °, and the baffle plate on support makes the maximum angle of often pair of blade be 180 °, and when these two groups of blades remain that one group of blade opens, another group blade closes.
The present invention is along with the impact of incoming flow, and the blade away from incoming flow end closes gradually, and the blade near incoming flow end is opened gradually, and other two groups of blade relative shape remain unchanged, and four pairs of blades go round and begin again.Reach maximum at downbeam vane stress area like this, close at countercurrent direction blade, utilize lift to provide torque, thus produce the moment relative to central shaft, then by conversion equipment, drive main axis, thus be electric energy by momentum transformation.Device combines the advantage of Darrieus impeller and Savonius impeller, has both been easy to start, and effectively improves energy capture efficiency again.
Claims (3)
1., based on a collapsible blade vertical axis impeller for fixture block mechanism, it is characterized in that comprising bearing support (1), main shaft (2), upper blade support (9), lower blade support (3), four groups of gear trains (4), four groups of pins (5), four groups of fixture block groups (6), four outer leafs (7) and four intra vanes (8); Main shaft (2) is arranged on bearing support (1), and upper blade support (9) becomes cross to cross with lower blade support (3) by four bars to form, be fixedly mounted on the top and bottom of main shaft (2) respectively; The upper end of four pins (5) is arranged on four bars of upper blade support (9) respectively, and the lower end of four pins (5) is arranged on four bars of lower blade support (3) respectively; Four vane group lay respectively between described upper blade support (9) and lower blade support (3), and are arranged on the top of upper and lower each bar of blade rack by the mode of axis hole Spielpassung; Described gear train (4) by be arranged on each blade root upper surface gear shaft on gear form, and be arranged in two gears meshing of same vane group; Described fixture block group (6) symmetry is installed on one group of adjacent outer leafs, the neutral position of intra vane.
2. the collapsible blade vertical axis impeller based on fixture block mechanism according to claim 1, is characterized in that described outer leafs (7), intra vane (8) is rectangular plate-like.
3. the collapsible blade vertical axis impeller based on fixture block mechanism according to claim 1, is characterized in that described main shaft (2) is for cylindric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410673672.9A CN104500329A (en) | 2014-11-21 | 2014-11-21 | Vertical-shaft impeller with foldable blades on basis of fixture block mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410673672.9A CN104500329A (en) | 2014-11-21 | 2014-11-21 | Vertical-shaft impeller with foldable blades on basis of fixture block mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN104500329A true CN104500329A (en) | 2015-04-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410673672.9A Pending CN104500329A (en) | 2014-11-21 | 2014-11-21 | Vertical-shaft impeller with foldable blades on basis of fixture block mechanism |
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| CN (1) | CN104500329A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331696A (en) * | 2017-01-19 | 2018-07-27 | 范元庆 | The inner pressed hydraulic turbine of blade automatic shutter |
| CN108343544A (en) * | 2017-01-25 | 2018-07-31 | 刘杨 | Meet fluid blade auto Deformation vertical axis resistance difference type kinetic energy interpreter |
| CN109469586A (en) * | 2018-11-20 | 2019-03-15 | 李洪才 | Low wind speed wind power generator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2263735A (en) * | 1992-01-31 | 1993-08-04 | John Jason Paul Goodden | Blade adjustment/control of a e.g. wind turbine |
| CN201972855U (en) * | 2011-01-18 | 2011-09-14 | 霍东明 | Wind driven generator |
| CN203189199U (en) * | 2013-02-06 | 2013-09-11 | 高宏铭 | Blade structure of wind driven generator |
| KR20140131850A (en) * | 2013-05-06 | 2014-11-14 | 이인남 | Wings variable tidal and wind power generator increased generation efficiency |
-
2014
- 2014-11-21 CN CN201410673672.9A patent/CN104500329A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2263735A (en) * | 1992-01-31 | 1993-08-04 | John Jason Paul Goodden | Blade adjustment/control of a e.g. wind turbine |
| CN201972855U (en) * | 2011-01-18 | 2011-09-14 | 霍东明 | Wind driven generator |
| CN203189199U (en) * | 2013-02-06 | 2013-09-11 | 高宏铭 | Blade structure of wind driven generator |
| KR20140131850A (en) * | 2013-05-06 | 2014-11-14 | 이인남 | Wings variable tidal and wind power generator increased generation efficiency |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108331696A (en) * | 2017-01-19 | 2018-07-27 | 范元庆 | The inner pressed hydraulic turbine of blade automatic shutter |
| CN108343544A (en) * | 2017-01-25 | 2018-07-31 | 刘杨 | Meet fluid blade auto Deformation vertical axis resistance difference type kinetic energy interpreter |
| CN108343544B (en) * | 2017-01-25 | 2020-07-21 | 刘杨 | Vertical shaft resistance difference type kinetic energy converter with automatic deformation of fluid-facing blades |
| CN109469586A (en) * | 2018-11-20 | 2019-03-15 | 李洪才 | Low wind speed wind power generator |
| CN109469586B (en) * | 2018-11-20 | 2023-09-15 | 林德光电科技南京有限公司 | Low wind speed wind power generator |
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Application publication date: 20150408 |
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