CN2881139Y - Self open close folding blade vertical shaft wind mill - Google Patents
Self open close folding blade vertical shaft wind mill Download PDFInfo
- Publication number
- CN2881139Y CN2881139Y CNU2005201253583U CN200520125358U CN2881139Y CN 2881139 Y CN2881139 Y CN 2881139Y CN U2005201253583 U CNU2005201253583 U CN U2005201253583U CN 200520125358 U CN200520125358 U CN 200520125358U CN 2881139 Y CN2881139 Y CN 2881139Y
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- China
- Prior art keywords
- movable vane
- fan blade
- vane
- folding
- connecting rod
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- Expired - Lifetime
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model relates to a self open close folding blade vertical shaft wind mill which comprises air vanes(1), linking members(2) for air vane, movable vane members(3), folding devices(4) for movable vane, a centre seat(5), connectors(6) for linking member for air vane, elastic films(7), a retainer(8), a linking mechanism(9) for movable vane and a centre shaft(10). The utility model is characterized in that the centre seat(5) is arranged on the top of the centre shaft(10), two folding devices(4) for movable vane and the retainer(8) are arranged on the centre seat(5), two movable vane members(3) compose a folding device(4) for movable vane, the movable vane member(3) comprises an air vane(1) and a linking member(2) for air vane, the movable vane member(3) is horizontally arranged on the centre seat(5) by a bearing and is vertical with the centre shaft(6), a linking mechanism(9) for movable vane is arranged on the linking member(2) for air vane, a connector(6) for linking member for air vane is arranged on the linking member(2) for air vane, an elastic film(7) is arranged at the bottom of the air vane(1), and the area of the air deflecting groove between two linking members(2) for air vane is 1 percent to 10 percent of the area of an air vane. The utility model is easy to manufacture, convenient to assemble and easy to maintain, and can greatly reduce the production cost while the ratio of utilization of wind energy is high, the reliability is high and the adaptability is good.
Description
One, technical field:
The utility model belongs to the main device of wind-driven generator, is specifically related to a kind of Seld-folding blade vertical-shaft windmill.
Two, background technique:
At present, existing wind-power electricity generation mode mainly contains horizontal axis windmill generating and two kinds of vertical axis windmill generatings.The blade shaft of horizontal axis windmill in the horizontal direction, present most windmills all belong to this type of.The blade shaft of vertical axis windmill is at vertical direction.Several vertical axis windmill generation modes promptly occurred in nineteen twenties, but used still not really extensive so far.The maturation though the horizontal axis windmill generating possesses skills, rotating speed is higher, the advantage that moment of torsion is adjustable, existing needs complicated wind direction tracking mechanism, needs very high shortcomings such as pylon.Existing vertical axis windmill generating can directly utilize the wind-force of any direction, and simple in structure, reliable adaptability is strong, construction cost is lower, but technology is ripe not enough, and most of type energy transformation ratios are lower.Existing vertical axis windmill has several types: φ type, △ type, S type etc.The most representative φ type vertical axis windmill generating is nineteen twenty-five Frenchman Da Lie (G.J.M.Darrieus) model utility.China once manufactured experimently 20 kilowatts Φ type wind power generating set the beginning of the eighties with German cooperation, the back does not stop because of runnability is good.The generating of S wheel type windmill is nineteen twenty-four Finn Sa Woniusi (Savonius) model utility, and it is a kind of resistance type windmill, although aeroperformance is easy to manufacture not as the generating of Φ type windmill, starting is fast, and low velocity wind also can be moved.The simplest is to utilize old petrol drum to cuing open, and is installed on the vertical shaft, and profile is the S shape, but the adverse wind face resistance is very big, and efficient is not high.
Three, model utility content:
Technical problems such as it is too complicated that the utility model is intended to solve windmill structure, needs higher pylon, and it is higher to start wind speed, and efficient is lower.
The technical solution adopted in the utility model is: a kind of Seld-folding blade vertical-shaft windmill, it is by fan blade 1, fan blade connecting rod 2, movable vane member 3, movable vane folding device 4, middle seat 5, fan blade connecting rod connector 6, elastic membrane 7, snubber 8, movable vane bindiny mechanism 9 and axis 10 are formed, seat 5 during axis 10 upper ends are provided with, middle seat 5 is provided with 2 movable vane folding devices 4 and snubber 8, movable vane folding device 4 is made up of 2 movable vane members 3, and movable vane member 3 is made up of fan blade 1 and fan blade connecting rod 2, and the two ends of fan blade connecting rod 2 are provided with fan blade 1, during 2 movable vane members 3 are set in parallel in up and down by bearing on the seat 5 and vertical with axis 10, fan blade connecting rod 2 is provided with movable vane bindiny mechanism 9, is provided with fan blade connecting rod connector 6 between the fan blade connecting rod 2, and fan blade 1 lower edge is provided with elastic membrane 7, gap between the fan blade connecting rod 2 is an air guide channel, and its area equals the 1-10% of fan blade area.The shape of fan blade is similar to the wing shape of butterfly, and axle one end area far away is big, and a paraxial end area is little.Movable vane folding device 4 is an axle with fan blade connecting rod 2 place straight lines, and two fan blades 1 dihedral angle of being become of place half plane separately are the 90-150 degree.Movable vane bindiny mechanism 9 is the two pairs of gears or toothed belts of engagement.Axis 10 is provided with staggered folded mutually two groups of above movable vane folding devices 4.Seld-folding blade vertical-shaft windmill is made up of the axis more than two 10.
The utility model compared with prior art has following beneficial effect:
1, input is low
Simple in structure, easily manufactured, there are not complicated, expensive curved surface fan blade and wind direction tracking mechanism.Simultaneously, the support effect of movable vane connecting rod, and the design of the low rotation speed large torque of windmill make fan blade descend to the requirement of material.Easy for installation, the utility model can use lower pylon to support.No matter watt level all can be used several meters high pylon from several watts to several kilowatts.Powerful huge windmill also can be finished construction operation by standard equipment, has largely reduced engineering difficulty and overall cost.Safeguard that easily, the power that windmill produces can directly be passed to ground location, generator and other relevant parts can be settled in the pylon bottom, can carry out upkeep operation easily.Used the overall cost of the wind-driven generator of Seld-folding blade vertical-shaft windmill and estimated and to reduce more than 40%, because the height of pylon lowers the cost that can save more than 20%; Save wind direction tracking mechanism and can reduce by 10% cost; Generator is settled on ground, is easy to installation, maintenance and maintenance, can further reduce expenses 15%.
2, output height
The wind energy utilization height, single windmill blowing area is big, behind multiple windmill of employing and the windmill array structure, can further improve it to utilization ratio of wind energy.The design of the slow-speed of revolution, high pulling torque has also further improved transformation efficiency.
3, reliability height
It is simple in structure, can effectively catch the wind energy of any direction, need not the wind direction tracking mechanism of complexity, costliness, can effectively work.
4, adaptability is strong
Because pylon can be very low, the generator of therefore using the Seld-folding blade vertical-shaft windmill structure can be built in Plain, hills, seashore, island or vertically be installed in the windy area of different terrain such as valley.Because the tilting moment of overall structure wind-engaging effect is little, power generation system even can be installed in top of building.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is along the sectional view of AA hatching among Fig. 1;
Fig. 3 is the structural representation of movable vane folding device.
Five, embodiment:
A kind of Seld-folding blade vertical-shaft windmill, it is by fan blade 1, fan blade connecting rod 2, movable vane member 3, movable vane folding device 4, middle seat 5, fan blade connecting rod connector 6, elastic membrane 7, snubber 8, movable vane bindiny mechanism 9 and axis 10 are formed, seat 5 during axis 10 upper ends are provided with, and middle seat 5 is provided with 2 movable vane folding devices 4 and snubber 8, movable vane folding device 4 is made up of 2 movable vane members 3, movable vane member 3 is made up of fan blade 1 and fan blade connecting rod 2, the two ends of fan blade connecting rod 2 be provided with 1,2 movable vane member 3 of fan blade by bearing be set in parallel in up and down in the seat 5 on and vertical with axis 10, fan blade connecting rod 2 is provided with movable vane bindiny mechanism 9, promptly Nie He two pairs of gears are provided with fan blade connecting rod connector 6 between the fan blade connecting rod 2, make connecting rod be maintained fixed distance.Fan blade 1 lower edge is provided with elastic membrane 7, and under breeze conditions, paired two fan blade elastic membranes up and down are closed mutually by elastic force, to make full use of wind-force; Under the high wind condition, elastic membrane is separated under the effect of blast up and down, to strengthen the stability of blower fan.Air guide channel area between the fan blade connecting rod 2 equals 10% of fan blade area, and its effect is identical with air-guiding hole on the parachute, can make fan operation more steady.Movable vane folding device 4 is an axle with fan blade connecting rod 2 place straight lines, and two fan blades 1 dihedral angle of being become of place half plane separately are 120 degree.The shape of fan blade is similar to the wing shape of butterfly, and axle one end area far away is big, and a paraxial end area is little, and to reduce the startup wind speed of blower fan, the wing tip outer rim is the curve of being made up of circular arc, straight line, broken line, with the wing tip resistance that reduces to be caused by air swirl.Axle near, the far away edge of a wing of fan blade is provided with the wedge angle that is used for reducing the wind cutting sound.
Do the time spent when Seld-folding blade vertical-shaft windmill is subjected to unidirectional wind-force, 2 fan blades 1 up and down of a side are folded to minimum blowing area against the wind, and a side is flared to maximum blowing area with the wind, produces a bigger resultant moment of force, makes fan operation.When wind-engaging carried out the movable vane action, the moment direction that the fan blade of movable vane member 3 both sides produces was identical, and synergy makes the action of windmill movable vane more smooth and easy.Movable vane bindiny mechanism 9 between two movable vane members 3 is similar to compasses, and making up and down, two leaves can both with respect to the horizontal plane open identical angle simultaneously.The meaning of this structure is: a, be in the substantially horizontal parallel with wind direction when making leaf folding; B, when the blade folding, the gravitational potential energy variable quantity of two movable vane members 3 is equated, the gravitational potential energy change amount of system is always zero, can finish movable vane action (no matter blade deadweight size) under very little wind-force.
A pair of movable vane folding device 4 is contained on the same middle seat 5 with being perpendicular to one another, has just constituted a single windmill structure; Several single windmill structures are staggered folded mutually, couple together with middle seat, just constituted multiple windmill structure, the moment that single windmill is produced increases, and to increase the power of single windmill, raises the efficiency and input-output ratio.Simultaneously, because single windmill is staggered folded mutually, the wind-force that is subjected in the time of can making integral body be in the different rotary position is tending towards on average, makes blower fan work more steady, and can save the space; Several single windmills or multiple windmill are parallel on the same plane, in same generator, have just constituted the windmill array structure with chain or the interlock of other linking mechanisms and acting in conjunction, single-machine capacity is further increased, the blower fan generating efficiency is higher.
Claims (6)
1, a kind of Seld-folding blade vertical-shaft windmill, it is by fan blade (1), fan blade connecting rod (2), movable vane member (3), movable vane folding device (4), middle seat (5), fan blade connecting rod connector (6), elastic membrane (7), snubber (8), movable vane bindiny mechanism (9) and axis (10) are formed, and it is characterized in that: axis (10) upper end is provided with middle seat (5), and middle seat (5) is provided with 2 movable vane folding devices (4) and snubber (8), movable vane folding device (4) is made up of 2 movable vane members (3), movable vane member (3) is made up of fan blade (1) and fan blade connecting rod (2), and the two ends of fan blade connecting rod (2) are provided with fan blade (1), and 2 movable vane members (3) are set in parallel in by bearing that middle seat (5) is gone up and are vertical with axis (10), fan blade connecting rod (2) is provided with movable vane bindiny mechanism (9), be provided with fan blade connecting rod connector (6) between the fan blade connecting rod (2), fan blade (1) lower edge is provided with elastic membrane (7), and the air guide channel area between the fan blade connecting rod (2) equals the 1-10% of fan blade area.
2, a kind of Seld-folding blade vertical-shaft windmill according to claim 1 is characterized in that: the shape of fan blade is similar to the wing shape of butterfly, and an end area is big, and the other end area is little.
3, a kind of Seld-folding blade vertical-shaft windmill according to claim 1 is characterized in that: movable vane folding device (4) is an axle with fan blade connecting rod (2) place straight line, and two fan blades (1) dihedral angle of being become of place half plane separately are the 90-150 degree.
4, a kind of Seld-folding blade vertical-shaft windmill according to claim 1 is characterized in that: movable vane bindiny mechanism (9) is the two pairs of gears or the toothed belt of engagement.
5, a kind of Seld-folding blade vertical-shaft windmill according to claim 1 is characterized in that: axis (10) is provided with staggered folded mutually two groups of above movable vane folding devices (4).
6, a kind of Seld-folding blade vertical-shaft windmill according to claim 5 is characterized in that: be made up of the axis more than two (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201253583U CN2881139Y (en) | 2005-12-01 | 2005-12-01 | Self open close folding blade vertical shaft wind mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005201253583U CN2881139Y (en) | 2005-12-01 | 2005-12-01 | Self open close folding blade vertical shaft wind mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2881139Y true CN2881139Y (en) | 2007-03-21 |
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ID=37880979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005201253583U Expired - Lifetime CN2881139Y (en) | 2005-12-01 | 2005-12-01 | Self open close folding blade vertical shaft wind mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2881139Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100389260C (en) * | 2005-12-01 | 2008-05-21 | 晁然 | Seld-folding blade vertical-shaft windmill |
-
2005
- 2005-12-01 CN CNU2005201253583U patent/CN2881139Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100389260C (en) * | 2005-12-01 | 2008-05-21 | 晁然 | Seld-folding blade vertical-shaft windmill |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20080521 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |