CN201165936Y - One-arm multi-leaf vertical shaft wind motor - Google Patents
One-arm multi-leaf vertical shaft wind motor Download PDFInfo
- Publication number
- CN201165936Y CN201165936Y CNU200820044011XU CN200820044011U CN201165936Y CN 201165936 Y CN201165936 Y CN 201165936Y CN U200820044011X U CNU200820044011X U CN U200820044011XU CN 200820044011 U CN200820044011 U CN 200820044011U CN 201165936 Y CN201165936 Y CN 201165936Y
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- fan blade
- arm
- leaf
- frame
- fan
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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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Abstract
The utility model discloses a vertical axis wind turbine with a plurality of vanes on one arm, which comprises vanes, a vane rotating shaft, a fan rotating shaft, vane arms and a vane swing limiting mechanism, wherein the vane swing limiting mechanism is composed of a stop block and a swing angle limiting block, one end of the vane arm is connected to the fan rotating shaft, the other end taking the fan rotating shaft as the circular center radially extends out in suspension state, two or more vanes are mounted on one vane arm, each vane is hinged to the vane arm through the fan rotating shaft vertically connected to the vane arm, and the swing angle of each vane is limited by the vane swing limiting mechanism. The vertical axis wind turbine with a plurality of vanes on one arm utilizes a plurality of small-sized vanes to substitute a large-sized vane on the arm with single vane, thereby better utilizing the wind energy and increasing the efficiency of the wind turbine.
Description
Technical field
The utility model relates to a kind of vertical axis windmill, specifically is meant an a kind of one-arm multi-leaf vertical axis wind mill that replaces the large scale fan blade of an arm list leaf, utilizes wind energy better, raises the efficiency with multi-disc small size fan blade.
Background technique
Thereby wind energy conversion system is to rotate the equipment that wind energy transformation is become kinetic energy by wind wheel under the driving of wind-force, is usually used in the large, medium and small wind-power generating system.Vertical axis windmill is one of common type of existing wind energy conversion system, Chinese invention patent application 200710029767.7 discloses the vertical axis windmill that a kind of blade can be swung, it comprises fan blade, the fan blade rotating shaft, the fan blade frame that is used for the fan shaft of outputting power and is installed on the fan shaft and can rotates synchronously with fan shaft, wherein, the fan blade frame be one by last, what at least three pairs of leaf arms that are provided with in pairs and a pair of annular frame were formed down is the ring support that is used to install fan blade in the center of circle with the fan shaft, every pair of leaf arm all is that radially outwards stretch in the center of circle with the fan shaft, its outer end links to each other with annular frame, its central part is vertically installed fan shaft, blower fan is rotated on horizontal plane, fan blade then is installed on the annular frame of fan blade frame by the fan blade rotating shaft, and along the circumference uniform distribution of fan blade frame, the pivot angle position-limit mechanism that limits the fan blade pendulum angle also is installed on annular frame, it is made up of block and limiting stopper, wherein, block is on the line between fan blade rotating shaft and the fan shaft, and limiting stopper then is positioned at the another side of the fan blade relative with block.Wind energy conversion system is under the effect of any horizontal wind-force, equal force directions with the wind, with the fan shaft is that boundary's division is distinguished two zones with contrary wind in the district down with the wind, fan blade in described two zones is in the state that facings the wind with two adverse effects of contrary wind respectively, make fan blade bear wind energy and drive the fan shaft rotation in the district that facings the wind, fan blade leans on the pivot angle position-limit mechanism to limit the angle of its swing, and blade is swung by wind blows when facining the wind, and forms the windward side on the block until leaning against; When fan blade rotates to when distinguishing against the wind with the fan blade frame, come to pivot angle limiting stopper place at the effect bottom of wind-force, leave the pivot angle limiting stopper gradually until parallel with wind direction, make windage reduce to minimum.Its basic structure is on the fan blade frame to be that the same corner of the installation fan blade in the center of circle is directly upwards only installed a fan blade with the fan shaft, is unidirectional single impeller structure.Its deficiency is: when fan blade moves to upwind, though wind energy conversion system can reduce wind-exposuring area by the angle of swing fan blade, to reduce resistance against the wind, but because it adopts is unidirectional single impeller structure, and do the size of single blades big as much as possible because improving the power of wind energy conversion system usually, cause the inertia of fan blade swing also very big, therefore, can cause fan blade to be difficult to greatly fan blade is swung to suitable angle because of inertia, make fan blade still must overcome against the wind resistance and consume certain energy, cause reducing the efficient of wind energy conversion system.
Summary of the invention
The purpose of this utility model provides an a kind of one-arm multi-leaf vertical axis wind mill that replaces the large scale fan blade of an arm list leaf, utilizes wind energy better, raises the efficiency with multi-disc small size fan blade.
Above-mentioned purpose of the present utility model realizes by following technical solution: an one-arm multi-leaf vertical axis wind mill, it comprises fan blade, the fan blade rotating shaft, fan shaft, leaf arm and fan blade swing position-limit mechanism, wherein, fan blade swing position-limit mechanism is made up of block and pivot angle limiting stopper, it is characterized in that: the leaf arm is that an end is connected on the fan shaft, the other end with the fan shaft be the center of circle radially cantilever stretch out, fan blade more than two or two is installed on each leaf arm, every fan blade all is hinged on the leaf arm by the fan blade rotating shaft that vertically is connected on the leaf arm, and is limited the pendulum angle of every fan blade by fan blade swing position-limit mechanism.
During use, because the leafy structure of an arm that the utility model adopts, the blade structure of traditional unidirectional single leaf is made two or the undersized leafy structure of multi-disc, the large scale single blades that is about to prior art changes undersized multi-disc fan blade combination into, overall wind-exposuring area is constant substantially, but has reduced the swing inertia of single blades greatly.Wind energy conversion system all can turn round under the wind of arbitrary horizontal wind direction is moving, as shown in Figure 8, fan blade is swung by wind blows the district that facings the wind (illustrating the A district), form the windward side on the block until leaning against, at this moment on the single leaf arm two or several pieces little fan blade can be equivalent to a slice big blade, the ability of accepting wind energy can not reduce because of the size of every fan blade to reduce, and rotates thereby promote wind energy conversion system, and this state lasts till that always this leaf arm enters till the contrary wind district.And the blade that is in against the wind district (diagram B district) is entering when distinguishing against the wind at first, because of the promotion pendulum of wind-force comes to pivot angle limiting stopper place, makes the direction of fan blade similar with the fan blade direction of distinguishing with the wind, also helps the rotation of wind energy conversion system; Along with the rotation of leaf arm and the effect of wind-force, enter the fan blade of distinguishing against the wind and can leave the pivot angle limiting stopper gradually until parallel with wind direction, make windage reduce to minimum.Adding every fan blade reduces to turn on the angle of minimum windward side rapidly because of the inertia of fan blade, therefore, can utilize wind energy better more fully, improve the efficient of wind energy conversion system significantly, wind energy conversion system just can be pushed and rotation constantly under very little wind-force effect.
Fan blade shape described in the utility model is not limit, and can be various geometrical shapies or irregular shape, but preferred rectangular paddle shape, and vertical dimension helps making fan blade inertia further to reduce more than or equal to transverse dimension.
The utility model can also be further improved: for improving the intensity and the stability of leaf arm, can set up at least one annular frame in the cantilever portion of leaf arm and constitute the fan blade frame; Can also form three-dimensional ring support by upper and lower two layers leaf arm and annular frame, the leaf arm of upper and lower correspondence is called a pair of leaf arm, and fan blade vertically is hinged on the place, space between a pair of leaf arm by the fan blade rotating shaft.
Fan blade frame described in the utility model can also be made platy structure, and promptly leaf arm and annular frame are combined into a flat board, and this kind structure of fan blade frame is suitable for small-sized wind energy conversion system, and it has than aforementioned fan blade frame better intensity and stability.
The leaf arm that is provided with in pairs in the utility model can adopt the straight-arm structure, is installed in being arranged in a linear between the multi-disc fan blade between a pair of leaf arm.
The leaf arm that is provided with in pairs in the utility model also can adopt the bent over arms structure, each bar leaf arm all has one or more knuckle α, be separately installed with a slice fan blade at least on the two composition lines of each knuckle, the knuckle on the described leaf arm is between 120 °～180 °.Its advantage is to make the fan blade that is in the district that facings the wind have the effect of better going for a drive, and more helps the utilization of wind energy.
The leaf arm that is provided with in pairs in the utility model also can adopt the arched arm structure, and effect and bent over arms structural similarity not only have than the straight-arm structure effect of better going for a drive, but also can better structural strength be arranged than bent over arms.
In the utility model, corresponding to each fan blade one swing position-limit mechanism is set, described swing position-limit mechanism is made up of block and pivot angle limiting stopper, wherein, block all is arranged on the same side of leaf arm at the polylith block of two or the setting of multi-disc fan blade on same leaf arm on the leaf arm, the pivot angle limiting stopper then can be installed in the fan blade rotating shaft, maybe can be installed on the leaf arm, and be positioned at the opposite side of fan blade, so that make in the scope of pendulum angle γ between 80 °～170 ° of fan blade with respect to block.
The utility model can also be done following improvement: described fan blade frame is two or more a plurality of, and a plurality of fan blade framves are arranged on the fan shaft from top to bottom.The fan blade frame adopts many shelf structures, helps reducing fan blade frame gabarit and fan blade size under equal power situation, improves rotating speed and blowing area.
Described fan blade frame is two, and superposed fan blade frame is last fan blade frame, and the fan blade frame that is positioned at the bottom is following fan blade frame, and last fan blade frame and the projection of following fan blade frame on horizontal plane can overlap, and also can have the dislocation angle.Wherein, when last fan blade frame and the projection of following fan blade frame on horizontal plane had the dislocation angle, wind energy conversion system had better rotating effect.
Compared with prior art, wind energy conversion system of the present utility model adopts the leafy structure of an arm, a plurality of fan blades are set on each leaf arm replace large scale fan blade single in the prior art, make every fan blade size decreases, blowing area on the single leaf arm then remains unchanged substantially, the ability of not only accepting wind energy can not reduce because of the size of every fan blade to reduce, and can also reduce the fan blade inertia in when swing effectively; If adopt bending or arc-shaped leaf arm, make between the adjacent fan blade that leans against the block place and have certain included angle α, then can make fan blade reach the wind-exposuring area bigger that have before 90 ° entering the angle of distinguishing leaf arm and wind direction down with the wind than the leaf arm of straight-arm structure, thereby further utilize wind energy, improve the efficient of wind energy conversion system; In addition, the fan blade size decreases brings very big facility also for manufacturing, installation, transportation and the maintenance of wind energy conversion system.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
Fig. 1 is the utility model embodiment one an integral perspective structural representation;
Fig. 2 is the utility model embodiment one a structural representation plan view;
Fig. 3 is the utility model embodiment one a plan view;
Fig. 4 is the utility model embodiment two an integral perspective structural representation;
Fig. 5 is the utility model embodiment two a structural representation plan view;
Fig. 6 is the utility model embodiment two a plan view;
Fig. 7 is the utility model embodiment three a structural representation plan view;
Fig. 8 is the utility model embodiment three a structural representation plan view;
Fig. 9 is the utility model embodiment four a structural representation plan view;
Figure 10 is the utility model embodiment five a structural representation plan view;
Figure 11 is the utility model embodiment five a structural representation plan view;
Figure 12 is the utility model embodiment six an integral perspective structural representation.
Embodiment
Embodiment one
An one-arm multi-leaf vertical axis wind mill as shown in Figure 1 to Figure 3 is one of embodiment of the present utility model, it comprises fan blade 1, fan blade rotating shaft 6, the fan shaft 7 that is used for outputting power, the fan blade framves that are installed on the fan shaft 7 and can rotate synchronously with fan shaft 7, the fan blade frame is for fan shaft 7 being radially leaf arm 3 of five couple of being provided with of the five equilibrium in the center of circle, 3 ' and two annular frames 4,4 ' form have a three-dimensional ring support, leaf arm 3,3 ' an end be installed on the fan shaft 7, the other end with the fan shaft be the center of circle radially cantilever stretch out and with annular frame 4,4 ' link to each other, leaf arm 3,3 ' employing bent over arms structure, each bar leaf arm all has two kink 3a, 3b, two kink 3a, the knuckle that has between the 3b is that the knuckle α of leaf arm is 170 °.
Swing position-limit mechanism in the present embodiment is made up of block 2 and pivot angle limiting stopper 5, at corresponding each sheet fan blade 1 on it on the leaf arm 3 block 2 is installed all, two blocks 2 on same leaf arm 3 are positioned at the right side of leaf arm, pivot angle limiting stopper 5 is used to limit fan blade 1 and swings maximum angle γ from block 2 to free space, it is installed in the termination of leaf arm, protrude downwards, make fan blade 1 in fact between pivot angle limiting stopper 5 and block 2, the γ in the present embodiment is 120 °.
Embodiment two
The embodiment two of the utility model one one-arm multi-leaf vertical axis wind mill is extremely shown in Figure 6 as Fig. 4, different with embodiment one is, fan blade frame in the present embodiment is five pairs of radially leaf arms 3,3 ' and three annular frames 4,4 ', 4 " supporting structure of Zu Chenging; each bar leaf arm all has two knuckle α 1; α 2 and three kinks 31; 32; 33; wherein, knuckle α 1, α 2 is respectively 165 and 160 °, leaf arm 3 each kink 31,32, equal correspondence is equipped with a slice fan blade 1 on 33, promptly between a pair of leaf arm that is provided with in pairs, three fan blades are installed, corresponding fan blade rotating shaft 6 between a pair of leaf arm also is three, and vertically be fixed on the leaf arm, be configured to an overall structure with fan blade, fan blade then is hinged in the fan blade rotating shaft, the wind energy conversion system of present embodiment comprises 15 fan blades and 15 fan blade rotating shafts altogether, corresponding per three fan blades 1 all are equipped with block 2 on each bar leaf arm 3, described block 2 all is positioned at the same side of leaf arm, pivot angle limiting stopper 5 then can be installed in the fan blade rotating shaft, and be positioned at the opposite side of fan blade 1 with respect to block 2, because fan blade 1 can be around fan blade rotating shaft 6 swings, therefore, fan blade 1 can be swung to free space from block 2, run into till the pivot angle limiting stopper 5 that is provided with in the fan blade rotating shaft 6 until fan blade, thereby the pendulum angle that makes fan blade is limited in the scope of γ angle, and the γ of present embodiment is 160 °.
Embodiment three
The embodiment three of the utility model one one-arm multi-leaf vertical axis wind mill is extremely shown in Figure 8 as Fig. 7, different with embodiment one is, fan blade frame in the present embodiment is two supporting structures that fan blade is configured to, two fan blade framves are arranged on the fan shaft 7 from top to bottom, superposed fan blade frame is last fan blade frame, the fan blade frame that is positioned at the bottom is following fan blade frame, last fan blade frame and the projection of following fan blade frame on horizontal plane coincide, and the projection plane that is installed in the fan blade on fan blade and the leaf arm that is installed in down the fan blade frame on the leaf arm of fan blade frame also coincides.
Embodiment four
The embodiment four of the utility model one one-arm multi-leaf vertical axis wind mill as shown in Figure 9, different with embodiment three is, going up the fan blade frame in the present embodiment does not coincide with the projection of following fan blade frame on horizontal plane, both have dislocation angle β, and the projection plane that is installed in the fan blade on the leaf arm of fan blade frame and is installed in down the fan blade on the leaf arm of fan blade frame also has the angle of dislocation β.
Embodiment five
The embodiment five of the utility model one one-arm multi-leaf vertical axis wind mill as shown in Figure 10 and Figure 11, different with previous embodiment is, in the present embodiment, leaf arm 3 is a straight-arm, and be single layer structure, its end is connected on the fan shaft 7, the other end with fan shaft 7 be the center of circle radially cantilever stretch out, bivalve fan blade 1 is installed on each leaf arm 3, every fan blade 1 all is hinged on the leaf arm by the fan blade rotating shaft 6 that vertically is connected on the leaf arm 3 at the middle part, and by the pendulum angle of every fan blade 1 of fan blade swing position-limit mechanism restriction, the block in the described fan blade swing position-limit mechanism can omit, and leaf arm 3 itself has just had function that block is spacing.
Embodiment six
The embodiment six of the utility model one one-arm multi-leaf vertical axis wind mill as shown in figure 12, different with embodiment one is, in the present embodiment, describedly constitute three-dimensional fan blade frame for being combined into upper and lower two discoideus structures by upper and lower two-layer leaf arm and annular frame, connect two plectanes by fan blade rotating shaft 6 and constitute the fan blade frame, fan blade 1 is hinged in the fan blade rotating shaft 6.On the plectane that block 2 in the fan blade swing position-limit mechanism and pivot angle limiting stopper 5 are arranged on the fan blade frame and equal space projectioies in frame, and illustrated dummy line (double dot dash line) shows on the plectane of fan blade frame is the track of leaf arm, block 2 still is provided with along this leaf arm track, the opposite side that 5 of pivot angle limiting stoppers are installed in fan blade with respect to block 2 is clipped between block 2 and the pivot angle limiting stopper 5 fan blade 1.
Above embodiment only is used to set forth the utility model; and protection domain of the present utility model is not only to be confined to above embodiment; can set according to the size of wind energy conversion system such as the fan blade quantity that is provided with on the described single leaf arm; for big wind energy conversion system, the fan blade quantity that is provided with on the single leaf arm can be to reach 10 to dozens of.The those of ordinary skill of described technical field all can be realized the purpose of this utility model according to the disclosed content of the utility model.
Claims (10)
1. an one-arm multi-leaf vertical axis wind mill, it comprises fan blade, fan blade rotating shaft, fan shaft, leaf arm and fan blade swing position-limit mechanism, wherein, fan blade swing position-limit mechanism is made up of block and pivot angle limiting stopper, it is characterized in that: the leaf arm is that an end is connected on the fan shaft, the other end with the fan shaft be the center of circle radially cantilever stretch out, fan blade more than two or two is installed on each leaf arm, every fan blade all is hinged on the leaf arm by the fan blade rotating shaft that vertically is connected on the leaf arm, and is limited the pendulum angle of every fan blade by fan blade swing position-limit mechanism.
2. an one-arm multi-leaf vertical axis wind mill according to claim 1 is characterized in that: set up at least one annular frame in the cantilever portion of described leaf arm and constitute the fan blade frame.
3. an one-arm multi-leaf vertical axis wind mill according to claim 2, it is characterized in that: described fan blade frame is formed three-dimensional ring support by upper and lower two layers leaf arm and annular frame, the leaf arm of upper and lower correspondence is called a pair of leaf arm, and fan blade vertically is hinged on the place, space between a pair of leaf arm by the fan blade rotating shaft.
4. an one-arm multi-leaf vertical axis wind mill according to claim 2 is characterized in that: described fan blade frame is a platy structure, and promptly leaf arm and annular frame are combined into a flat board.
5. an one-arm multi-leaf vertical axis wind mill according to claim 2 is characterized in that: the leaf arm of described paired setting is the straight-arm structure, is installed in being arranged in a linear between the multi-disc fan blade between a pair of leaf arm.
6. an one-arm multi-leaf vertical axis wind mill according to claim 2, it is characterized in that: the leaf arm of described paired setting is the bent over arms structure, each bar leaf arm all has one or more knuckle α, be separately installed with a slice fan blade at least on the two composition lines of each knuckle, the knuckle on the described leaf arm is between 120 °～180 °.
7. an one-arm multi-leaf vertical axis wind mill according to claim 2 is characterized in that: the leaf arm of described paired setting is the arched arm structure.
8. an one-arm multi-leaf vertical axis wind mill according to claim 2, it is characterized in that: one swing position-limit mechanism is set corresponding to each fan blade, described swing position-limit mechanism is made up of block and pivot angle limiting stopper, wherein, block is on the leaf arm, all be arranged on the same side of leaf arm on same leaf arm at the polylith block of two or the setting of multi-disc fan blade, the pivot angle limiting stopper is installed in the fan blade rotating shaft or is installed on the leaf arm, and be positioned at the opposite side of fan blade with respect to block, so that make in the scope of pendulum angle γ between 80 °～170 ° of fan blade.
9. according to the arbitrary described one-arm multi-leaf vertical axis wind mill of claim 1 to 8, it is characterized in that: described fan blade frame is two or more a plurality of, and a plurality of fan blade framves are arranged on the fan shaft from top to bottom.
10. an one-arm multi-leaf vertical axis wind mill according to claim 9, it is characterized in that: described fan blade frame is two, superposed fan blade frame is last fan blade frame, the fan blade frame that is positioned at the bottom is following fan blade frame, last fan blade frame and the projection of following fan blade frame on horizontal plane coincide, and perhaps both have the dislocation angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820044011XU CN201165936Y (en) | 2008-02-05 | 2008-02-05 | One-arm multi-leaf vertical shaft wind motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200820044011XU CN201165936Y (en) | 2008-02-05 | 2008-02-05 | One-arm multi-leaf vertical shaft wind motor |
Publications (1)
| Publication Number | Publication Date |
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| CN201165936Y true CN201165936Y (en) | 2008-12-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200820044011XU Expired - Fee Related CN201165936Y (en) | 2008-02-05 | 2008-02-05 | One-arm multi-leaf vertical shaft wind motor |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116255B (en) * | 2010-01-05 | 2013-03-13 | 财团法人工业技术研究院 | Wind-driven device and module thereof |
| CN110005572A (en) * | 2019-04-28 | 2019-07-12 | 谭善育 | A kind of novel vertical wind-driven generator |
| CN112963302A (en) * | 2021-02-08 | 2021-06-15 | 申国平 | Wind wheel of screw-type blade resistance-free vertical axis wind turbine |
-
2008
- 2008-02-05 CN CNU200820044011XU patent/CN201165936Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102116255B (en) * | 2010-01-05 | 2013-03-13 | 财团法人工业技术研究院 | Wind-driven device and module thereof |
| CN110005572A (en) * | 2019-04-28 | 2019-07-12 | 谭善育 | A kind of novel vertical wind-driven generator |
| CN112963302A (en) * | 2021-02-08 | 2021-06-15 | 申国平 | Wind wheel of screw-type blade resistance-free vertical axis wind turbine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081217 Termination date: 20130205 |