CN201858078U - Vertical axis wind turbine - Google Patents
Vertical axis wind turbine Download PDFInfo
- Publication number
- CN201858078U CN201858078U CN2010205421540U CN201020542154U CN201858078U CN 201858078 U CN201858078 U CN 201858078U CN 2010205421540 U CN2010205421540 U CN 2010205421540U CN 201020542154 U CN201020542154 U CN 201020542154U CN 201858078 U CN201858078 U CN 201858078U
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- support
- rotating shaft
- vertical axis
- axis windmill
- pylon
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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 relates to the field of vertical axis wind turbines and discloses a vertical axis wind turbine which comprises a rotating shaft 1, blades 2, supports 3 and a fixed bracket 4, wherein two supports 3 which are parallel to each other are connected between each blade 2 and the rotating shaft 1; the lower end of the rotating shaft 1 is connected with a support system 5; the fixed bracket 4 comprises at least two towers 41, a top support 42 and a top support 43; the top end of each tower 41 is connected with the top end of the rotating shaft 1 hanging in air through the top support 42 and the top support 43, and the top support 42, the top support 43 and the top end of the rotating shaft 1 constitute a right triangle; and at least two towers 41 are arranged around the periphery of the rotating shaft 1, and the distance between each tower 41 and the rotating shaft 1 is larger than that between each blade 2 and the rotating shaft 1. According to the vertical axis wind turbine, the stability of motion of the vertical axis wind turbine can be improved, and the vertical axis wind turbine realizes large-scale property.
Description
Technical field
The utility model relates to the vertical axis windmill field, relates in particular to a kind of vertical axis windmill.
Background technique
At present, vertical axis windmill mainly contains S type, Φ type and three kinds of structural types of H type.As shown in Figure 1, in H type vertical axis windmill, comprise rotating shaft 1, blade 2 and support 3 wherein, fixedly connected two supports that are parallel to each other 3 between each blade 2 and the rotating shaft 1, the fixedly connected support system in rotating shaft 1 lower end.
Three kinds of above-mentioned vertical axis windmills all are to realize constraint by the fixedly connected support system in rotating shaft lower end.Vertical axis windmill is in movement process, the horizontal force load that wind forms can make vertical axis windmill integral body fall to an inclination, leans on the support system of rotating shaft lower end to retrain, and vertical axis windmill is equivalent to an overhang, structural strength be cannot say for sure to be easy to structural damage to occur or integral body is toppled over by card.
Owing to reasons such as manufacturings, each blade of vertical axis windmill, weight support frame can not be in full accord, and center of gravity and uneven distribution.Therefore, vertical axis windmill vibration inevitably occurs, waves and swing in running.For Φ type vertical axis windmill, the top of rotating shaft links to each other with drag-line, and drag-line links to each other with ground again, but drag-line is than soft, and a not resistance to compression of tension causes vibration equally easily.For S type and H type vertical axis windmill, the top of rotating shaft is suspended in the air, does not have constraint, vibrates, waves and swing more to be easy to generate.
For middle-size and small-size vertical axis windmill, its physical dimension is less, and the strength and stiffness of support system guarantee easily, can make vibration, wave and swing in reasonable range.But for the large-scale vertical wind energy conversion system, its physical dimension is bigger, and the strength and stiffness difficult design of support system is vibrated, waved and swing acutely, so the large-scale vertical wind energy conversion system never grows up.
How improving the stability of vertical axis windmill motion, make vertical axis windmill realize maximizing, is one of emphasis of vertical axis windmill structure technology research.
The model utility content
A kind of vertical axis windmill is provided in the utility model, can have improved the stability of vertical axis windmill motion, made vertical axis windmill realize maximizing.
A kind of vertical axis windmill comprises:
Rotating shaft 1, blade 2, support 3 and fixing frame 4;
Wherein, fixedly connected two described supports 3 that are parallel to each other between each described blade 2 and the described rotating shaft 1; The quantity of described blade 2 is at least two;
Wherein, the fixedly connected support system 5 in the lower end of described rotating shaft 1;
Described fixing frame 4 comprises at least two pylons 41, top-support 42 and top-support 43;
Wherein, the top of each described pylon 41 is by a top-support 42 and top-support 43 fixedly connected tops that are suspended in aerial described rotating shaft 1, and form right angle triangle between the top of a described top-support 42, top-support 43 and described rotating shaft 1, the top of a described top-support 43 and described rotating shaft 1 is respectively as the right angle side of described right-angled triangle, and a described top-support 43 is as the hypotenuse of described right-angled triangle;
Wherein, described at least two pylons 41 around be arranged in described rotating shaft 1 around, and the distance between each pylon 41 and the described rotating shaft 1 is greater than the distance between each described blade 2 and the described rotating shaft 1.
Wherein, the described top that is suspended in aerial described rotating shaft 1 has preseting length.
Wherein, the equal and opposite in direction of the angle b between top-support 42 of fixedlying connected between the top of each described pylon 41 and the described top that is suspended in aerial described rotating shaft 1 and the top-support 43, and satisfy 0 °＜b＜90 °.
Wherein, the top of described at least two pylons 41 is suspended on the same horizontal plane that the top-support 42 of fixedlying connected between the top of aerial described rotating shaft 1 is positioned at vertical described rotating shaft 1 with described.
Wherein, when overlooking, the top of each described pylon 41 is suspended in the projection of fixedly connected between the top of aerial described rotating shaft 1 top-support 42 and the projection of a top-support 43 overlaps with described.
Wherein, the top of each described pylon 41 and described the measure-alike of the top-support 42 of fixedlying connected between the top of aerial described rotating shaft 1 that be suspended in;
That fixedly connected between the top of each described pylon 41 and the described top that is suspended in aerial described rotating shaft 1 an and and top-support 43 measure-alike.
Preferably, the quantity of described blade 2 equates with the quantity of described pylon 41.
Preferably, recessed metacone shape before the cross section of each described support 3 is.
Preferably, the rectification covering of lines type is laid on the surface of each described support 3.
Preferably, each described pylon 41 is measure-alike, and the cross section of each described pylon 41 is trapezoidal.
In the utility model, the fixedly connected support system 5 in the lower end of the rotating shaft 1 of vertical axis windmill is carried out the lower end constraint by support system 5; And fixedly connected with top-support 43 with the top-support 42 of fixing frame 4 in the top that is suspended in aerial rotating shaft 1, carries out the upper end constraint by fixing frame 4; Thereby realize the vertical axis windmill constraint at two ends up and down, can reduce the vertical-shaft wind machine vibration, wave and situation such as swing takes place, thereby can improve the stability of vertical axis windmill motion, make vertical axis windmill realize maximizing.
Description of drawings
In order to be illustrated more clearly in the utility model or technological scheme of the prior art, to do to introduce simply to the accompanying drawing of required use among the embodiment below, apparently, accompanying drawing in describing below only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of existing a kind of H type vertical axis windmill;
The structural representation of a kind of vertical axis windmill of providing in the utility model is provided Fig. 2;
The plan view of the another kind of vertical axis windmill that provides in the utility model is provided Fig. 3;
The cross sectional representation of a kind of support 3 of providing in the utility model is provided Fig. 4.
Embodiment
A kind of vertical axis windmill is provided in the utility model, realization is to the vertical axis windmill constraint at two ends up and down, can reduce the vertical-shaft wind machine vibration, wave and situation such as swing takes place, thereby can improve the stability of vertical axis windmill motion, make vertical axis windmill realize maximizing.
Below in conjunction with the accompanying drawing in the utility model, the technological scheme in the utility model is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 2, the structural representation of a kind of vertical axis windmill of providing in the utility model is provided Fig. 2.Wherein, this vertical axis windmill can comprise:
Rotating shaft 1, blade 2, support 3 and fixing frame 4.
In the utility model, the quantity of blade 2 can be as shown in Figure 22, also can be 3 or 4 or more, and the utility model does not limit; Wherein, blade 2 can be a prismatic blade, can be bent blades also, and the utility model does not limit; When blade 2 was bent blades, the structural type of vertical axis windmill can be similar to Φ type vertical axis windmill.
Fixedly connected two supports that are parallel to each other 3 between the vertical axis windmill as shown in Figure 2, each blade 2 and rotating shaft 1; Wherein, the distance between two supports that are parallel to each other 3 is less than the length of blade 2.
Vertical axis windmill as shown in Figure 2, the fixedly connected support system 5 in the lower end of rotating shaft 1 is carried out the lower end constraint of vertical axis windmill by support system 5.
Vertical axis windmill as shown in Figure 2, above-mentioned fixing frame 4 comprises at least two pylons 41, top-support 42 and top-support 43;
Wherein, the top of each pylon 41 is by a top-support 42 and top-support 43 fixedly connected tops that are suspended in aerial rotating shaft 1, and form right angle triangle between the top of a described top-support 42, top-support 43 and rotating shaft 1.As shown in Figure 2, the top of top-support 43 and rotating shaft 1 is respectively as the right angle side of right-angled triangle, and top-support 43 is as the hypotenuse of right-angled triangle.In the utility model, the top that is suspended in aerial rotating shaft 1 has preseting length, and concrete length is provided with according to actual needs, and the utility model does not limit.
Vertical axis windmill as shown in Figure 2, at least two pylons 41 around be arranged in rotating shaft 1 around, and the distance between each pylon 41 and the rotating shaft 1 is greater than the distance between each blade 2 and the rotating shaft 1.Distance between each pylon 41 and rotating shaft 1 greater than between each blade 2 and the rotating shaft 1 apart from the time, can guarantee vertical axis windmill when running, grazings can not take place with pylon 41 in blade 2.
The equal and opposite in direction of angle b between top-support 42 of fixedlying connected between the vertical axis windmill as shown in Figure 2, the top of each pylon 41 and the top that is suspended in aerial rotating shaft 1 and the top-support 43, and satisfy 0 °＜b＜90 °.
The top-support 42 of fixedlying connected between the vertical axis windmill as shown in Figure 2, the top of at least two pylons 41 and the top that is suspended in aerial rotating shaft 1 is positioned on the same horizontal plane of vertical rotation axis 1.In other words, all top-supports 42 all are positioned on the same horizontal plane of vertical rotation axis 1.
Vertical axis windmill as shown in Figure 2, when overlooking between the top of each pylon 41 and the top that is suspended in aerial rotating shaft 1 projection of a fixedly connected top-support 42 and the projection of a top-support 43 overlap.
In the utility model, a top-support 42 of fixedlying connected between the top of each pylon 41 and the top that is suspended in aerial rotating shaft 1 measure-alike; A top-support 43 of fixedlying connected between the top of each pylon 41 and the top that is suspended in aerial rotating shaft 1 measure-alike.
Vertical axis windmill as shown in Figure 2, the quantity of blade 2 are 2, and the quantity of pylon 41 also is 2, and promptly the quantity of blade 2 equates with the quantity of pylon 41.
Vertical axis windmill as shown in Figure 2, each pylon 41 is measure-alike, and the cross section of each pylon 41 is trapezoidal.
See also Fig. 3, the plan view of the another kind of vertical axis windmill that provides in the utility model is provided Fig. 3.Wherein, three pylons 41 around be arranged in rotating shaft 1 around, and the distance between each pylon 41 and the rotating shaft 1 is greater than the distance between each blade 2 and the rotating shaft 1.
Fixedly connected two supports that are parallel to each other 3 between the vertical axis windmill as shown in Figure 3, each blade 2 and rotating shaft 1; Wherein, the distance between two supports that are parallel to each other 3 is less than the length of blade 2.
Vertical axis windmill as shown in Figure 3, the fixedly connected support system 5 in the lower end of rotating shaft 1 is carried out the lower end constraint of vertical axis windmill by support system 5.
Vertical axis windmill as shown in Figure 3, each pylon 41 is measure-alike, and the cross section of each pylon 41 is trapezoidal.
Vertical axis windmill as shown in Figure 3, when overlooking between the top of each pylon 41 and the top that is suspended in aerial rotating shaft 1 projection of a fixedly connected top-support 42 and the projection of a top-support 43 overlap.
Vertical axis windmill as shown in Figure 3, the top of each pylon 41 is by a top-support 42 and top-support 43 fixedly connected tops that are suspended in aerial rotating shaft 1, and form right angle triangle between the top of a described top-support 42, top-support 43 and rotating shaft 1.
Vertical axis windmill as shown in Figure 3, the top that is suspended in aerial rotating shaft 1 has certain-length.
In the utility model, the quantity of the pylon 41 that fixing frame 4 comprises can be as shown in Figure 33, can be 4 or more also, the embodiment of the invention does not limit.
In the utility model, the king-post that pylon 41 can concrete forms also can be steel structure tower tube or lattice tower.
In the utility model, vertical axis windmill is when rotating, and each support 3 can be received blocking of wind-force, in order to strengthen the self-starting performance, can lay the rectification covering of lines type on the surface (comprising windward side and lee face) of each support 3.Wherein, the rectification covering of lines type can play the effect that reduces wind resistance, improves Wind Power Utilization efficient.
In the utility model, the cross section of each support 3 is preceding recessed metacone shape.See also Fig. 4, each support 3 cross sectional representation that Fig. 4 represents, as can be seen from Figure 4, the cross section of each support (3) is preceding recessed metacone shape, and wherein, the windward side is groove shapes, and lee face is "＞" shape.Produce pressure reduction enter the windward side that is groove shapes of each support 3 from all directions when less wind after, form thrust and promote the vertical axis windmill running, realize self-starting.Particularly, when the area in the windward side that is groove shapes of each support 3 was big more, vertical axis windmill self-starting performance was strong more.Thereby the vertical axis windmill that provides in the utility model is also self-starting smoothly under the less situation of wind speed, reduces from the requirement of wind speed automatically, improves Wind Power Utilization efficient.
In the utility model, the fixedly connected support system 5 in the lower end of the rotating shaft 1 of vertical axis windmill is carried out the lower end constraint by support system 5; And fixedly connected with top-support 43 with the top-support 42 of fixing frame 4 in the top that is suspended in aerial rotating shaft 1, carries out the upper end constraint by fixing frame 4; Thereby realize the vertical axis windmill constraint at two ends up and down, can reduce the vertical-shaft wind machine vibration, wave and situation such as swing takes place, thereby can improve the stability of vertical axis windmill motion, make vertical axis windmill realize maximizing.
More than a kind of vertical axis windmill that provides in the utility model is described in detail, used specific case herein principle of the present utility model and mode of execution are set forth, above embodiment's explanation just is used for helping to understand the utility model and core concept thereof; Simultaneously, for one of ordinary skill in the art, according to thought of the present utility model, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as restriction of the present utility model.
Claims (9)
1. a vertical axis windmill is characterized in that, comprising:
Rotating shaft (1), blade (2), support (3) and fixing frame (4);
Wherein, fixedly connected two described supports (3) that are parallel to each other between each described blade (2) and the described rotating shaft (1); The quantity of described blade (2) is at least two;
Wherein, the fixedly connected support system in lower end (5) of described rotating shaft (1);
Described fixing frame (4) comprises at least two pylons (41), top-support (42) and top-support (43);
Wherein, the top of each described pylon (41) is by a top-support (42) and the fixedly connected top that is suspended in aerial described rotating shaft (1) of a top-support (43), and form right angle triangle between the top of a described top-support (42), a top-support (43) and described rotating shaft (1), the top of a described top-support (43) and described rotating shaft (1) is respectively as the right angle side of described right-angled triangle, and a described top-support (43) is as the hypotenuse of described right-angled triangle;
Wherein, described at least two pylons (41) around be arranged in described rotating shaft (1) around, and the distance between each pylon (41) and the described rotating shaft (1) is greater than the distance between each described blade (2) and the described rotating shaft (1).
2. vertical axis windmill according to claim 1 is characterized in that,
The top of each described pylon (41) and the described top-support (42) of fixedlying connected between the top of aerial described rotating shaft (1) and the equal and opposite in direction of the angle b between the top-support (43) of being suspended in, and satisfy 0 °＜b＜90 °.
3. vertical axis windmill according to claim 1 is characterized in that,
The top of described at least two pylons (41) is positioned on the same horizontal plane of vertical described rotating shaft (1) with the described top-support (42) of fixedlying connected between the top of aerial described rotating shaft (1) that is suspended in.
4. vertical axis windmill according to claim 1 is characterized in that,
When overlooking, the top of each described pylon (41) is suspended in the projection of a top-support (42) fixedly connected between the top of aerial described rotating shaft (1) and the projection of a top-support (43) overlaps with described.
5. vertical axis windmill according to claim 1 is characterized in that,
The top of each described pylon (41) and described the measure-alike of the top-support (42) of fixedlying connected between the top of aerial described rotating shaft (1) that be suspended in;
That fixedly connected between the top of each described pylon (41) and the described top that is suspended in aerial described rotating shaft (a 1) and and top-support (43) measure-alike.
6. vertical axis windmill according to claim 1 is characterized in that, the quantity of described blade (2) equates with the quantity of described pylon (41).
7. according to any described vertical axis windmill of claim 1～6, it is characterized in that the cross section of each described support (3) is preceding recessed metacone shape.
8. according to any described vertical axis windmill of claim 1～6, it is characterized in that the rectification covering of lines type is laid on the surface of each described support (3).
9. according to any described vertical axis windmill of claim 1～6, it is characterized in that each described pylon (41) is measure-alike, and the cross section of each described pylon (41) is trapezoidal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205421540U CN201858078U (en) | 2010-09-21 | 2010-09-21 | Vertical axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205421540U CN201858078U (en) | 2010-09-21 | 2010-09-21 | Vertical axis wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858078U true CN201858078U (en) | 2011-06-08 |
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ID=44103886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205421540U Expired - Lifetime CN201858078U (en) | 2010-09-21 | 2010-09-21 | Vertical axis wind turbine |
Country Status (1)
| Country | Link |
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| CN (1) | CN201858078U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963129A (en) * | 2010-09-21 | 2011-02-02 | 深圳市风发科技发展有限公司 | Vertical axis wind turbine |
-
2010
- 2010-09-21 CN CN2010205421540U patent/CN201858078U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101963129A (en) * | 2010-09-21 | 2011-02-02 | 深圳市风发科技发展有限公司 | Vertical axis wind turbine |
| WO2012037786A1 (en) * | 2010-09-21 | 2012-03-29 | 深圳市风发科技发展有限公司 | Vertical shaft wind turbine |
| CN101963129B (en) * | 2010-09-21 | 2012-07-04 | 深圳市风发科技发展有限公司 | Vertical axis wind turbine |
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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 |
Granted publication date: 20110608 Effective date of abandoning: 20120704 |