CN104912734A - Anti-stall vertical axis wind turbine - Google Patents
Anti-stall vertical axis wind turbine Download PDFInfo
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- CN104912734A CN104912734A CN201510293488.6A CN201510293488A CN104912734A CN 104912734 A CN104912734 A CN 104912734A CN 201510293488 A CN201510293488 A CN 201510293488A CN 104912734 A CN104912734 A CN 104912734A
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- lever
- blade
- support beam
- connecting rod
- main shaft
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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
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- 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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Abstract
The invention aims to provide an anti-stall vertical axis wind turbine. The upper part of a blade is hinged to an upper supporting beam; the lower part of the blade is connected with a lower supporting beam through a mounting rack; a centrifugal ball protecting device is installed between the mounting rack and the lower supporting beam; when the wind speed is too high, the centrifugal ball protecting device can make the lower part of the blade to be separated from the lower supporting beam; one end of a connecting rod is hinged to the lower part of the blade, and the other end of the connecting rod is connected with a lever which is installed in a spindle; the lever fulcrum is fixed in the spindle through a shaft; under high wind speed, the lower part of the blade is separated from the supporting beam, the lower part of the blade outwards pulls the connecting rod outwards due to the centrifugal force, so as to pull a lever mechanism; the other end of the lever is equipped with a friction plate, so that the lever friction plate is in contact with a friction plate at the inner ring of a tower, thus the vertical axis wind turbine can decelerate and the fan accident can be prevented. The anti-stall vertical axis wind turbine provided by the invention uses the own centrifugal force generated by the rotation of the fan to pull the lever and enlarge the tensile force, so as to make the inner and outer friction plates to contact with each other to decelerate, thus the work of the fan under strong wind or unsafe wind speed can be protected and the fan accident can be prevented.
Description
Technical field
What the present invention relates to is a kind of electricity generating device, specifically wind generating unit.
Background technique
Along with 21st century economy and industrial expansion, the demand of the energy is got more and more, and fossil energy is non-renewable energy resources, thus the research emphasis that reproducible clean energy resource becomes various countries researcher is developed, wind-powered electricity generation is because its energy obtains easily, wind-resources distribution is wide is subject to primary study, the technology of horizontal-shaft wind turbine is very ripe, and vertical axis windmill is wherein because its unique advantage is subject to researcher gradually and pays close attention to, but in high speed wind field or abnormal sudden change wind speed, in order to fan operation safety, vertical axis windmill retarding braking problem is a difficult point, but consume other energy although extra power braking is feasible thus reduces wind-powered electricity generation efficiency.
Patent " mechanical linkage type with high wind protective function can stacking vertical axis windmill " (application number: 201220657101) developing a kind of mechanical linkage type with high wind protective function can stacking vertical axis windmill, and this wind energy conversion system comprises: according to wind direction control wind energy conversion system towards wind direction rudder; One or more can be mutually stacking the wind-force unit for generation of energy, wind direction rudder is connected with pedestal by cross bar, seat axle in pedestal is connected with the rotating shaft in the column of wind-force unit, drive vertical shaft rotating, realize wind energy conversion system towards location, but this blower fan be utilize blade towards realizing blower fan deceleration safe operation, but not remarkable towards the long-acting fruit of regulating time by blade.Patent " can realize blade aerodynamic slow down tree-like lift vertical shaft wind energy conversion system " (application number: 201210309290) provide a kind of can realize aerodynamic decelerator, can the vertical axis windmill of buffer level thrust, be applicable to different capacity, rotating speed can be controlled, change solidity by robot control system(RCS), but need extra power and aerodynamic decelerator does not have mechanical reduction successful.
Summary of the invention
The object of the present invention is to provide the one under abnormal high wind, blower fan being slowed down can stall proof vertical axis windmill.
The object of the present invention is achieved like this:
One of the present invention can stall proof vertical axis windmill, it is characterized in that: comprise generator, main shaft, pylon, blade, blades installation frame, lever, main shaft is hollow structure, its lower end is connected with generator through pylon and is coordinated with pylon by bearing, main shaft is fixed with support beam and lower support beam from top to bottom successively, lower support beam arranges through hole, the end of lower support beam is hinged with connecting rod, connecting rod installs centrifugal globe, wedge shape tapered end is connected by rope in the middle part of connecting rod, the outer cover of rope has spring, spring is positioned in the through hole of lower support beam, upper end portion and the upper support beam of blade are hinged, the underpart of blade is connected with blades installation frame also and rod hinge connection, providing holes on blades installation frame, the afterbody of wedge shape tapered end is positioned in the through hole of lower support beam, the head of wedge shape tapered end is positioned in the hole of blades installation frame, main shaft is arranged tie rod holes and lever hole, tie rod holes is positioned at the below of lower support beam, lever hole is positioned at the below of tie rod holes, connecting rod to be stretched in main shaft by tie rod holes and hinged with lever, main shaft inside is fixed with axle, lever is L-type, its flex point is fulcrum, fulcrum is arranged on axle, the end of lever is installed inner ring friction plate and extend out to outside main shaft by lever hole, pylon inwall is installed the friction plate coordinated with inner ring friction plate.
The present invention can also comprise:
1, blade, blades installation frame, connecting rod, centrifugal globe, rope, spring, connecting rod and lever form one group of stall proof generator unit, and described stall proof generator unit comprises two groups, and its structure is identical, is arranged symmetrically with relative to main shaft.
2, the length of lever flex point upper section is greater than the length of flex point inferior portion.
Advantage of the present invention is: the present invention, without the need to additional brake power, utilizes blower fan to rotate self centrifugal force produced, and pull lever expands pulling force makes interior outside friction disc contact deceleration, thus protects the work of blower fan to prevent blower fan accident under high wind or dangerous wind speed.
Accompanying drawing explanation
Fig. 1 is schematic three dimensional views of the present invention;
Fig. 2 is floor map of the present invention;
Fig. 3 is principal axis A-A cross section direction view;
Fig. 4 is main shaft B-B cross section direction view;
Fig. 5 is centrifugal protective gear C-C sectional view;
Fig. 6 is centrifugal protective gear D-D sectional view.
Embodiment
Below in conjunction with accompanying drawing citing, the present invention is described in more detail:
Composition graphs 1 ~ 6, generator 18 is arranged on bottom pylon 17, is directly connected by key with main shaft 3; Blade 1 top and upper support beam 2 hinged, can along hinge axes moving; Upper support beam 2 is directly affixed with main shaft 3, installs together with blade 1 along main shaft 3 axisymmetrical; Blade 1 bottom and scaffold 8 affixed, lower support beam 6 is directly affixed with main shaft 3, and scaffold 8 outwards can skid off along the chute of lower support beam 6; Blade 1 bottom and connecting rod 11 hinged; Connecting rod 11 is hinged by pin with lever 12; Lever 12 fulcrum is fixed in main shaft 3 by axle 14; Whole blower fan main shaft 3 outer ring is coordinated with the inner ring of pylon 17 by bearing 13, can be rotated about axis.
Composition graphs 2,3,4,5,6, centrifugal globe 5 is affixed with connecting rod 4, and connecting rod 4 is hinged with lower support bar 6, can rotate around hinge axes; Be connected with wedge shape tapered end 10 by cord 7 in the middle part of connecting rod 4; When wind speed working properly, wedge shape tapered end 10 is firmly fixed by spring 9, blocks lower support beam 6 and blades installation frame 8; When operation irregularity high wind speed; centrifugal globe 5 is subject to High Rotation Speed centrifugal force and drives connecting rod 4 to rotate around hinge axes; and pull wedge shape tapered end 10 by cord 7; thus make blade 1 depart from lower support beam 6 together with scaffold 8; blade bottom by outside centrifugal force and top and upper support bar 2 hinged; thus rotated around axle 14 by connecting rod 11 pull lever 12; make the friction plate 15 be arranged on lever 14 contact with pylon 17 inner ring friction plate 16 thus slow down, thus prevent fan stall from protecting blower fan sports safety.
The present invention primarily of compositions such as blade, a kind of leverage, support beam, main shaft, generator, pylon, connecting rod, a kind of centrifugal globe protective gears, its Leaf top and upper support beam hinged; Blade bottom is connected with lower support beam by scaffold, and be provided with centrifugal globe protective gear in the middle of scaffold and lower support beam, when wind speed is too high, centrifugal globe protective gear can make blade bottom and lower support beam depart from; Connecting rod one end and blade lower hinge, the other end is mounted on the lever in main shaft, and balance pivot is fixed in main shaft by axle; When high wind speed lower blade bottom and support beam depart from, blade bottom pulls out connecting rod by centrifugal force thus pull lever mechanism, the lever the other end is provided with friction plate, thus make lever friction plate contact pylon inner ring friction plate, brake without the need to extra power thus vertical axis windmill is slowed down, preventing blower fan accident.
Its working principle is as follows: when wind speed is under normal wind speed, centrifugal globe by connecting rod and lower support beam hinged, be connected with wedge shape tapered end by cord in the middle part of connecting rod, wedge shape tapered end blocks blades installation frame and lower support beam by being withstood by spring, and blade bottom and lower support beam are fixed.When wind speed is under abnormal high wind speed; be arranged on the centrifugal globe protective gear work of lower support beam; centrifugal globe outwards moves through cord by high rotating speed centrifugal force and pulls wedge shape tapered end; thus lower support and blade bottom are departed from, and by connecting rod pull lever, balance pivot is fixed by axle and main shaft; and lever upper end is longer than lower end length; thus play the effect expanding pulling force, lever the other end friction plate is contacted with pylon inner ring friction plate, realizes the deceleration of blower fan.
Blade top and upper support beam hinged, there is centrifugal globe protective gear between bottom and lower support beam, the locking of normal wind speed, departs under improper high wind speed.
Centrifugal globe protective gear is made up of centrifugal globe, connecting rod, cord, wedge shape tapered end.Connecting rod and lower support beam hinged, during High Rotation Speed, centrifugal globe drives connecting rod can rotate around hinge, and pulls wedge shape tapered end.
Leverage fulcrum is fixed in main shaft by axle, blade bottom depart from time by connecting rod pull lever top to side moving certain distance, lever lower end to opposite side moving certain distance, interior outside friction disc friction thus slow down.
Lever two ends and pivot distance can need to redesign according to blower fan size and braking force, and braking principle is constant.
Blade and leverage are all axially symmetrical to be installed, and can increase blade quantity as required, and the corresponding leverage of each blade, is evenly distributed by frictional force during decelerating operation.
Under normal work wind speed, wedge shape tapered end is withstood by spring and blocks lower support beam and blade bottom scaffold, and abnormal high wind speed lower blade bottom just can depart from, and by connecting rod pull lever moving.
The present invention primarily of compositions such as blade, a kind of leverage, support beam, main shaft, generator, pylon, connecting rod, a kind of centrifugal globe protective gears, its Leaf top and upper support beam hinged; Blade bottom is connected with lower support beam by scaffold, and be provided with centrifugal globe protective gear in the middle of scaffold and lower support beam, when wind speed is too high, centrifugal globe protective gear can make blade bottom and lower support beam depart from; Connecting rod one end and blade lower hinge, the other end is mounted on the lever in main shaft, and balance pivot is fixed in main shaft by axle; When high wind speed lower blade bottom and support beam depart from, blade bottom pulls out connecting rod by centrifugal force thus pull lever mechanism, the lever the other end is provided with friction plate, thus make lever friction plate contact pylon inner ring friction plate, brake without the need to extra power thus vertical axis windmill is slowed down, preventing blower fan accident.
Abnormal high wind speed lower blade bottom and lower support beam depart from, and by connecting rod pull lever, lever the other end friction plate are contacted with pylon inner ring friction plate, realizes the deceleration of blower fan.
When wind speed is at a high speed abnormal or sudden change affects blower fan work safety, be arranged on the centrifugal globe protective gear work of lower support beam, centrifugal globe outwards moves through cord by high rotating speed centrifugal force and pulls wedge shape tapered end, thus lower support and blade bottom are departed from.
Centrifugal globe by connecting rod and lower support beam hinged, be connected with wedge shape tapered end by cord in the middle part of connecting rod, under normal wind speed, wedge shape tapered end blocks blades installation frame and lower support beam by being withstood by spring, and blade bottom and lower support beam are fixed.
Blade bottom and rod hinge connection, connecting rod is connected with lever, when blade bottom departs from lower support beam, connecting rod pull lever upper end, thus drive the friction plate of lever lower end contact with pylon inner ring friction plate thus slow down.
Balance pivot is fixed by axle and main shaft, and lever upper end is longer than lower end length, thus plays the effect expanding pulling force.
Blade of vertical axis wind turbine is two symmetrical installations, connecting rod and lever are installed distribution and are distributed consistent with blades installation, blades installation number can be increased as required, as three, four, connecting rod and lever are installed to distribute and are installed consistent with Leaf positional distribution in main shaft simultaneously, utilize blade self centrifugal force pull lever to make interior outside friction disc contact deceleration principle constant.
Claims (3)
1. one kind can stall proof vertical axis windmill, it is characterized in that: comprise generator, main shaft, pylon, blade, blades installation frame, lever, main shaft is hollow structure, its lower end is connected with generator through pylon and is coordinated with pylon by bearing, main shaft is fixed with support beam and lower support beam from top to bottom successively, lower support beam arranges through hole, the end of lower support beam is hinged with connecting rod, connecting rod installs centrifugal globe, wedge shape tapered end is connected by rope in the middle part of connecting rod, the outer cover of rope has spring, spring is positioned in the through hole of lower support beam, upper end portion and the upper support beam of blade are hinged, the underpart of blade is connected with blades installation frame also and rod hinge connection, providing holes on blades installation frame, the afterbody of wedge shape tapered end is positioned in the through hole of lower support beam, the head of wedge shape tapered end is positioned in the hole of blades installation frame, main shaft is arranged tie rod holes and lever hole, tie rod holes is positioned at the below of lower support beam, lever hole is positioned at the below of tie rod holes, connecting rod to be stretched in main shaft by tie rod holes and hinged with lever, main shaft inside is fixed with axle, lever is L-type, its flex point is fulcrum, fulcrum is arranged on axle, the end of lever is installed inner ring friction plate and extend out to outside main shaft by lever hole, pylon inwall is installed the friction plate coordinated with inner ring friction plate.
2. one according to claim 1 can stall proof vertical axis windmill, it is characterized in that: blade, blades installation frame, connecting rod, centrifugal globe, rope, spring, connecting rod and lever form one group of stall proof generator unit, described stall proof generator unit comprises two groups, its structure is identical, is arranged symmetrically with relative to main shaft.
3. one according to claim 1 and 2 can stall proof vertical axis windmill, it is characterized in that: the length of lever flex point upper section is greater than the length of flex point inferior portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510293488.6A CN104912734A (en) | 2015-06-02 | 2015-06-02 | Anti-stall vertical axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510293488.6A CN104912734A (en) | 2015-06-02 | 2015-06-02 | Anti-stall vertical axis wind turbine |
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| Publication Number | Publication Date |
|---|---|
| CN104912734A true CN104912734A (en) | 2015-09-16 |
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ID=54082107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510293488.6A Pending CN104912734A (en) | 2015-06-02 | 2015-06-02 | Anti-stall vertical axis wind turbine |
Country Status (1)
| Country | Link |
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| CN (1) | CN104912734A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774594A (en) * | 2017-12-08 | 2018-03-09 | 张德昌 | A kind of device that photovoltaic panel is cleaned by wind drive |
| CN112523955A (en) * | 2020-11-26 | 2021-03-19 | 诸暨和创电机科技有限公司 | Wind power generation equipment with overload protection function |
| CN113107769A (en) * | 2021-05-08 | 2021-07-13 | 郑州亨特利电子科技有限公司 | New energy wind power generation device |
| CN117005989A (en) * | 2023-08-29 | 2023-11-07 | 杭州辚萧科技有限公司 | vertical axis wind turbine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250755Y (en) * | 2008-09-19 | 2009-06-03 | 北京清桦华丰科技股份有限公司 | Centrifugal rod type braking device for a vertical shaft type windmill |
| CN102606401A (en) * | 2012-03-21 | 2012-07-25 | 重庆大学 | Vertical axis wind turbine and turning radius adjusting mechanism of paddles of vertical axis wind turbine |
| CN204283736U (en) * | 2014-11-28 | 2015-04-22 | 新疆中科捷高光电科技有限公司 | A kind of from slowdown type vertical axis aerogenerator |
| CN204677367U (en) * | 2015-06-02 | 2015-09-30 | 哈尔滨工程大学 | One can stall proof vertical axis windmill |
-
2015
- 2015-06-02 CN CN201510293488.6A patent/CN104912734A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201250755Y (en) * | 2008-09-19 | 2009-06-03 | 北京清桦华丰科技股份有限公司 | Centrifugal rod type braking device for a vertical shaft type windmill |
| CN102606401A (en) * | 2012-03-21 | 2012-07-25 | 重庆大学 | Vertical axis wind turbine and turning radius adjusting mechanism of paddles of vertical axis wind turbine |
| CN204283736U (en) * | 2014-11-28 | 2015-04-22 | 新疆中科捷高光电科技有限公司 | A kind of from slowdown type vertical axis aerogenerator |
| CN204677367U (en) * | 2015-06-02 | 2015-09-30 | 哈尔滨工程大学 | One can stall proof vertical axis windmill |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107774594A (en) * | 2017-12-08 | 2018-03-09 | 张德昌 | A kind of device that photovoltaic panel is cleaned by wind drive |
| CN112523955A (en) * | 2020-11-26 | 2021-03-19 | 诸暨和创电机科技有限公司 | Wind power generation equipment with overload protection function |
| CN112523955B (en) * | 2020-11-26 | 2022-04-12 | 海南斯兰低碳投资有限公司 | Wind power generation equipment with overload protection function |
| CN113107769A (en) * | 2021-05-08 | 2021-07-13 | 郑州亨特利电子科技有限公司 | New energy wind power generation device |
| CN117005989A (en) * | 2023-08-29 | 2023-11-07 | 杭州辚萧科技有限公司 | vertical axis wind turbine |
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Application publication date: 20150916 |