CN204344369U - A kind of wind-driven generator louvered blade - Google Patents
A kind of wind-driven generator louvered blade Download PDFInfo
- Publication number
- CN204344369U CN204344369U CN201420769626.4U CN201420769626U CN204344369U CN 204344369 U CN204344369 U CN 204344369U CN 201420769626 U CN201420769626 U CN 201420769626U CN 204344369 U CN204344369 U CN 204344369U
- Authority
- CN
- China
- Prior art keywords
- wind
- blade
- small leaf
- driven generator
- running shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
Abstract
The utility model discloses a kind of wind-driven generator louvered blade, described blade is connected to form by several small leaf, and described small leaf comprises blade face and whirligig, and described whirligig is placed on described blade face and described small leaf is rotated.By the way, wind-driven generator louvered blade of the present utility model, when wind-force changes, whirligig drives small leaf rotation that blade is stirred, thus blade useful area is changed, reach best wind catching area, make that wind-power electricity generation function is efficient, safety, stable operation, ensure the security of operation of wind electricity blade, improve wind energy utilization efficiency.
Description
Technical field
The utility model relates to blade of wind-driven generator field, particularly relates to a kind of wind-driven generator louvered blade.
Background technique
Wind-driven generator is that one utilizes wind-force to drive blade rotary, then drives diesel-electric dynamic power machine.The blade of present existing large-scale wind driven generator has two kinds of citation forms: one is fixed pitch form, and the blade of wind wheel and wheel hub are rigidly connected, and the propeller pitch angle of blade is constant, and wind speed change blade is except stress deformation, and blade area does not make any change; Another kind is feather form, and the change blade according to wind speed can rotate, and regulate Windward angle, but the area of blade own also cannot change.This blade area can not with the blade of wind speed change, and blade demand fulfillment is at very large wind speed operated within range, and blade structure is complicated, and manufacture requirements is very high, and effect is undesirable.Such as in order to security of operation is stablized, it is smaller that blade area must be done, but the ability catching wind energy like this when wind speed is large is not just little, and wind energy utilization is low; And if in order to improve, to catch the ability of wind energy sufficiently large blade, attacks, just probably damage wind-driven generator, even occur serious accident as long as run into the very large high wind of wind speed.
Model utility content
The technical problem that the utility model mainly solves is to provide a kind of wind-driven generator louvered blade, this blade variable area windward time.
For solving the problems of the technologies described above, the technological scheme that the utility model adopts is: provide a kind of wind-driven generator louvered blade, described blade is connected to form by several small leaf, described small leaf comprises blade face and whirligig, and described whirligig is placed on described blade face and described small leaf is rotated.
In the utility model preferred embodiment, described whirligig comprises the first running shaft and gear, and described first running shaft is positioned on described blade face, is connected between multiple described first running shaft by described gear.
In the utility model preferred embodiment, described first running shaft is positioned at the central shaft of described small leaf or is positioned at the edge of described small leaf.
In the utility model preferred embodiment, described whirligig comprises the second running shaft and the first pull string, described second running shaft is positioned at the transverse central axis place of described small leaf, and the two ends of described second running shaft are connected and are respectively connected with described first pull string.
In the utility model preferred embodiment, described whirligig comprises the 3rd running shaft and the second pull string, and described 3rd running shaft is positioned at the transverse edge of described small leaf, and described second pull string is connected with one end of described 3rd running shaft.
In the utility model preferred embodiment, the angle of swing of described small leaf is 0-90 °.
The beneficial effects of the utility model are: wind-driven generator louvered blade of the present utility model, when wind-force changes, whirligig drives small leaf rotation that blade is stirred, thus blade useful area is changed, reach best wind catching area, make that wind-power electricity generation function is efficient, safety, stable operation, ensure the security of operation of wind electricity blade, improve wind energy utilization efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the structural representation of wind-driven generator louvered blade one of the present utility model preferred embodiment;
Fig. 2 is the principle schematic of wind-driven generator louvered blade one of the present utility model preferred embodiment;
In accompanying drawing, the mark of each parts is as follows: 1, blade, and 2, small leaf, the 3, first running shaft.
Embodiment
Be clearly and completely described to the technological scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one:
Refer to Fig. 1 and Fig. 2, the present embodiment comprises:
A kind of wind-driven generator louvered blade, described blade 1 is placed on dicyclo blade wheel structure and uses.Described blade 1 is connected to form by several small leaf 2, and described small leaf 2 comprises blade face and whirligig.Described whirligig can adopt various ways, as long as described small leaf 2 can be made to rotate.In the present embodiment, described whirligig comprises the first running shaft 3 and gear, the central shaft of described small leaf 2 or edge are provided with described first running shaft 3, connected by least three gears between described first running shaft 3, comprise two driving wheels and a follower, rely on the rotation of described gear to drive described first running shaft 3 to rotate, thus described small leaf 2 is rotated.
The rotation angle of described small leaf 2 is 0-90 °, and it carries out regulating according to the size of wind speed, to ensure that wind speed hour can catch wind energy to greatest extent, wind wheel can be protected when wind speed is very large not damaged.Refer to Fig. 2, when wind speed is not too large, all small leaf 2 are in same plane, and described small leaf 2 forms the blade 1 in an essentially no gap, and at this moment described blade 1 has the ability of maximum seizure wind energy.When wind speed strengthens again, according to the maximum load of blade strength and generator, between 0-90 °, suitably rotate described small leaf 2 change the angle of attack to wind, suitably reduce the wind energy caught, such generator can generate electricity at full capacity, and blade also can not be damaged.When the very large high wind of wind speed is attacked; wind can affect the safety of wind-driven generator; all small leaf 2 half-twist angles; wind no longer produces rotating force to blade; blade wind-exposuring area is minimum; the power being parallel to generator shaft produced is also minimum, although at this moment wind-driven generator does not generate electricity, this guard mode can allow tiding over a critical period of wind-driven generator safety.
Embodiment two:
There is provided a kind of wind-driven generator louvered blade, its structure is substantially identical with embodiment one, and difference is that the whirligig in the present embodiment is different.In the present embodiment, described whirligig comprises the second running shaft and the first pull string, described second running shaft is positioned at the transverse central axis place of described small leaf, and the two ends of described second running shaft are connected and are respectively connected with described first pull string, thus small leaf is rotated.
Embodiment three:
There is provided a kind of wind-driven generator louvered blade, its structure is substantially identical with embodiment one, and difference is that the whirligig in the present embodiment is different.In the present embodiment, described whirligig comprises the 3rd running shaft and the second pull string, and described 3rd running shaft is positioned at the transverse edge of described small leaf, and described second pull string is connected with one end of described 3rd running shaft, thus small leaf is rotated.
The beneficial effects of the utility model are: blade of wind-driven generator wind-exposuring area alterable; the ability catching wind energy when wind speed is low is strong; can multiple electricity; suitably can reduce the wind energy of seizure when wind speed is slightly large, being in guard mode when the very large high wind of wind speed is attacked can safe tiding over a critical period.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a wind-driven generator louvered blade, is characterized in that, described blade is connected to form by several small leaf, and described small leaf comprises blade face and whirligig, and described whirligig is placed on described blade face and described small leaf is rotated.
2. wind-driven generator louvered blade according to claim 1, it is characterized in that, described whirligig comprises the first running shaft and gear, and described first running shaft is positioned on described blade face, is connected between multiple described first running shaft by described gear.
3. wind-driven generator louvered blade according to claim 2, is characterized in that, described first running shaft is positioned at the central shaft of described small leaf or is positioned at the edge of described small leaf.
4. wind-driven generator louvered blade according to claim 1, it is characterized in that, described whirligig comprises the second running shaft and the first pull string, described second running shaft is positioned at the transverse central axis place of described small leaf, and the two ends of described second running shaft are connected and are respectively connected with described first pull string.
5. wind-driven generator louvered blade according to claim 1, it is characterized in that, described whirligig comprises the 3rd running shaft and the second pull string, and described 3rd running shaft is positioned at the transverse edge of described small leaf, and described second pull string is connected with one end of described 3rd running shaft.
6. wind-driven generator louvered blade according to claim 1, is characterized in that, the angle of swing of described small leaf is 0-90 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769626.4U CN204344369U (en) | 2014-12-10 | 2014-12-10 | A kind of wind-driven generator louvered blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420769626.4U CN204344369U (en) | 2014-12-10 | 2014-12-10 | A kind of wind-driven generator louvered blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204344369U true CN204344369U (en) | 2015-05-20 |
Family
ID=53227642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420769626.4U Expired - Fee Related CN204344369U (en) | 2014-12-10 | 2014-12-10 | A kind of wind-driven generator louvered blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204344369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481802A (en) * | 2014-12-10 | 2015-04-01 | 苏德华 | Louvered blade for wind driven generator |
-
2014
- 2014-12-10 CN CN201420769626.4U patent/CN204344369U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104481802A (en) * | 2014-12-10 | 2015-04-01 | 苏德华 | Louvered blade for wind driven generator |
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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 |
Granted publication date: 20150520 Termination date: 20151210 |
|
| EXPY | Termination of patent right or utility model |