CN204175526U - Fan blade and the vertical axis aerogenerator comprising this fan blade - Google Patents
Fan blade and the vertical axis aerogenerator comprising this fan blade Download PDFInfo
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- CN204175526U CN204175526U CN201420614483.XU CN201420614483U CN204175526U CN 204175526 U CN204175526 U CN 204175526U CN 201420614483 U CN201420614483 U CN 201420614483U CN 204175526 U CN204175526 U CN 204175526U
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- blade
- fan blade
- framework
- vertical axis
- 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 provides a kind of fan blade and comprises the vertical axis aerogenerator of this fan blade, relates to technical field of wind power generator.Described fan blade comprises blade, bounding means and framework; The root of described blade is connected with described frame member; Described bounding means is on said frame affixed, and between the root and the fixed end of described framework of described blade, for limiting the rotation angle of described blade; The fixed end of described framework is for being arranged on the main shaft of blower fan.Described vertical axis aerogenerator comprises multiple described fan blade; The fixed end of described framework is fixedly connected with the main shaft of described vertical axis aerogenerator; Multiple described fan blade is along the circumference equilibrium arrangement of described main shaft.The utility model solves the technical problems such as traditional vertical axis aerogenerator wind energy utilization is low.
Description
Technical field
The utility model relates to technical field of wind power generator, especially relates to a kind of fan blade and the vertical axis aerogenerator comprising this fan blade.
Background technique
Wind-driven generator is the device of electric energy by wind energy transformation, forms primarily of blade, generator, mechanical part and electric component.According to the difference of running shaft, wind-driven generator is mainly divided into horizontal axis wind-driven generator and vertical axis aerogenerator two class: 1. horizontal axis wind-driven generator, and the running shaft of wind wheel is parallel with wind direction; 2. vertical axis aerogenerator, the rotational axis vertical of wind wheel is in ground or airflow direction.Wind-driven generator is be mechanical energy by Wind resource change is the dynamic power machine of electric energy by changes mechanical energy again, also known as windmill.In a broad sense, it is a kind of is thermal source with the sun, take air as the heat energy utilization motor of working medium.
The principle of wind-power electricity generation, is utilize wind-force to drive air vane to rotate, then the speed rotated is promoted through booster engine, impel electrical power generators.According to current windmill technology, be approximately the gentle breeze speed (degree of gentle breeze) of three meters per second, just can start generating.Since many centuries, wind-driven generator is the same with hydraulic machinery, substitutes manpower, animal power as power source, plays important function to the development of productivity.Modern age electromechanical power extensive use and the discovery in oil field, the twentieth century Middle East fifties, the slower development of wind energy conversion system is got off.At the initial stage seventies, due to " oil crisis ", occurred energy-intensive problem, people recognize the unstability that conventional fossil energy is supplied and finiteness, so the renewable energy sources seeking to clean becomes an important topic of Modern World then.Wind energy causes people again as reproducible, free of contamination natural energy resources and payes attention to.Wind-power electricity generation forms one upsurge just in the world, for wind-power electricity generation does not have fuel problem, also can not produce radiation or atmospheric pollution.
The size of electric energy size and wind wheel flabellum that wind-driven generator produces and fan blade and relevant to the effective rate of utilization of wind energy.Existing blade of wind-driven generator size is changeless, the cost so both adding installation also allows installation wind-driven generator become complicated and difficult, blade is except fixing angle in addition, there is no other sense of rotation, so only could realize when down wind wind-force maximum kinetic energy utilize, and go to leeward to, due to the drag effect of wind, can reduce the rotational velocity of wind wheel, the utilization ratio of wind energy is too low.
Based on this, the utility model provides a kind of fan blade and comprises the vertical axis aerogenerator of this fan blade, to solve above-mentioned technical problem.
Model utility content
The purpose of this utility model is to provide a kind of fan blade, to solve the technical problems such as wind wheel blade in prior art is in stays.
The purpose of this utility model is also to provide a kind of vertical axis aerogenerator, to solve the technical problems such as existing vertical axis aerogenerator wind energy utilization is low.
Based on above-mentioned first object, the utility model provides a kind of fan blade, and this fan blade comprises blade, bounding means and framework; The root of described blade is connected with described frame member; Described bounding means is on said frame affixed, and between the root and the fixed end of described framework of described blade, for limiting the rotation angle of described blade; The fixed end of described framework is for being arranged on the main shaft of blower fan.
Optionally, described blade is set to multiple, and multiple described blade is intervally arranged successively along the length direction of framework; Described bounding means is set to multiple, and multiple described bounding means and multiple described blade one_to_one corresponding are arranged.Form a big blade by multiple rotating small leaf, when described fan blade goes to leeward, because blade is less, so described blade rotation is easy, only need blade described in less wind-force namely to can turn to parallel with wind direction.Meanwhile, less blade is also convenient to processing.
Optionally, described blade is set to multiple, and multiple described blade sets gradually along the length direction of framework, and the distance between the root of adjacent two described blades is less than the length of described blade; Described bounding means is set to one, and described bounding means is between the fixed end and the described blade of contiguous described fixed end of described framework.Due to adjacent two described blades root between distance be less than the length of described blade, therefore, the root of described first blade can be equivalent to the block piece of described second blade, only need arrange a block piece, reduce cost of production.
Optionally, described blade is connected with described frame member by rotating shaft.Being connected by described rotating shaft is common be rotationally connected mode, and cost of production is low.
Optionally, the root of described blade is fixedly connected with described rotating shaft, and the two ends of described rotating shaft are connected with described frame member respectively by rolling bearing.Rolling bearing is rotationally connected mechanical part for conventional, reduces rotation friction and processing cost is low.
Optionally, described bounding means is set to the pin that is fixedly connected with described framework.Pin can block described blade completely, and pin cost of production is lower simultaneously.
Optionally, described blade shape is set to rectangle.The rectangular paddle of same shape, processes and assembles than being easier to.
Optionally, described blade adopts carbon fiber composite to make; Described framework adopts light aluminum alloy to make.
Based on above-mentioned second object, the utility model provides a kind of vertical axis aerogenerator, and described vertical axis aerogenerator comprises multiple described fan blade; The fixed end of described framework is fixedly connected with the main shaft of described vertical axis aerogenerator; Multiple described fan blade is along the circumference equilibrium arrangement of described main shaft.
Optionally, described vertical axis aerogenerator comprises four described fan blades.
The fan blade that the utility model provides, this fan blade comprises blade, bounding means and framework; The root of described blade is connected with described frame member; Described bounding means is on said frame affixed, and between the root and the fixed end of described framework of described blade, for limiting the rotation angle of described blade; The fixed end of described framework is for being arranged on the main shaft of blower fan.Described bounding means is positioned at the back side of the effective windward side of described blade, when wind is to effective windward side of described blade, described blade on described bounding means, forms the fan blade do not leaked out by wind-force effect gland, drives described fan blade to rotate along the main shaft circumference of described blower fan.After described fan blade turns over 90 degree, described block piece goes to one side windward, and described blade to be blown off described block piece by wind-force effect, and described blade is parallel to the resistance that described wind direction decreases wind.After turning over 270 degree, described blade continues gland on described block piece by wind-force effect, continues to provide mechanical energy to described wind-driven generator.Thus, by the rotation of described blade, the effect of windage when decreasing leeward, improves the utilization ratio of wind energy.
The vertical axis aerogenerator that the utility model provides, has aforesaid fan blade, therefore, has wind energy utilization advantages of higher.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is mode of executions 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.
The plan view of the fan blade that Fig. 1 provides for the utility model fan blade embodiment one;
Fig. 2 is the plan view of the fan blade of the utility model fan blade embodiment one or two fan blade embodiment;
Fig. 3 is the left view of the fan blade shown in Fig. 2;
Fig. 4 is the rotation process schematic views of the utility model fan blade;
The plan view of the fan blade that Fig. 5 provides for the utility model fan blade embodiment two;
The structural representation of the fan blade that Fig. 6 provides for the utility model embodiment two;
The wind wheel structure schematic diagram of the vertical axis aerogenerator embodiment that Fig. 7 provides for the utility model;
The wind wheel plan view of the vertical axis aerogenerator embodiment that Fig. 8 provides for the utility model;
Reference character:
1-blade; 2-pin; 3-framework;
4-root; 5-fixed end; 6-rotating shaft;
7-rolling bearing; 8-main shaft; 9-wind.
Embodiment
Be clearly and completely described the technical solution of the utility model below in conjunction with accompanying drawing, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
In description of the present utility model, it should be noted that, orientation or the position relationship of the instruction such as term " " center ", " on ", D score, "left", "right", " vertically ", " level ", " interior ", " outward " they be based on orientation shown in the drawings or position relationship; be only the utility model and simplified characterization for convenience of description; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.In addition, term " first ", " second ", " the 3rd " only for describing object, and can not be interpreted as instruction or hint relative importance.
In description of the present utility model, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition the concrete meaning of above-mentioned term in the utility model can be understood.
Fan blade embodiment one
As shown in Fig. 1-4 and Fig. 7, the fan blade that the utility model that the present embodiment provides provides, wherein: the plan view of the fan blade that Fig. 1 provides for the utility model fan blade embodiment one; The plan view of the fan blade that Fig. 2 provides for the utility model fan blade embodiment one or two fan blade embodiment; Fig. 3 is the left view of the fan blade shown in Fig. 2; Fig. 4 is the rotation process schematic views of fan blade; The wind wheel structure schematic diagram of the wind-driven generator that Fig. 7 provides for the utility model.This fan blade comprises blade 1, bounding means and framework 3, and described bounding means is set to pin 2 in the present embodiment.Described blade is set to one, and root 4 and the described framework 3 of described blade 1 are rotationally connected; In the present embodiment, described being rotationally connected adopts rotating shaft 6 to connect.Preferably, described rotating shaft 6 two ends are connected with described framework 3 respectively by rolling bearing 7.Described bounding means namely as shown in the figure pin 2 be fixed on described framework 3, and between the root 4 and the fixed end 5 of described framework 3 of described blade 1, for limiting the rotation angle of described blade 1; The fixed end 5 of described framework 3 is for being arranged on the main shaft 8 of blower fan.
As shown in Figure 4, described pin 2 is positioned at the back side of the effective windward side of described blade 1, when wind 9 blows to effective windward side of described blade 1, described blade 1 by wind-force effect gland on described pin 2, form the fan blade do not leaked out, drive described fan blade to rotate along main shaft 8 circumference of described blower fan.After shown fan blade turns over 90 degree, described pin 2 goes to one side windward, and described blade 1 to be blown off described pin 2 by wind-force effect, and described blade 1 is parallel to wind direction and forms the fan blade leaked out, and decreases the resistance of wind 9.Described fan blade be in turn over 90 degree and turn between 270 degree time, as Fig. 4 shows, described blade 1 due to wind-force effect also parallel with described wind direction, reduce the resistance of wind, after turning over 270 degree, described blade 1 continues gland on described pin 2 by wind-force effect, continues to provide mechanical energy to described wind-driven generator.Last till that described fan blade continues this process after having turned a circle as shown in Figure 4.Thus, by the rotation of described blade 1, the effect of windage when decreasing leeward, improves the utilization ratio of wind energy.
As Figure 2-3, in the possibility of the present embodiment, described blade 1 is set to two, and two described blades 1 are intervally arranged successively along the length direction of framework 3; Described length direction be as shown in the figure along the radially outer direction of main shaft 8, described pin 2 is set to two, and two described pins 2 and two described blade 1 one_to_one corresponding are arranged, i.e. two pins shown in figure.Form a big blade by two rotating small leaf 1, when described fan blade goes to leeward, because blade is less, so described blade rotation is easy, only need blade described in less wind-force namely to can turn to parallel with wind direction.Meanwhile, less blade is also convenient to processing.
For adapting to different wind field environment, described blade 1 can be set to three and more than, corresponding, described bounding means be set to three and more than, three and the above bounding means and three and the above blade one_to_one corresponding are arranged.
As shown in Figure 1, in the possibility of the present embodiment, described blade shape is set to rectangle.The rectangular paddle of same shape, processing is low with assembling difficulty.
Optionally, described blade adopts carbon fiber composite to make; Described framework adopts light aluminum alloy to make.
Embodiment two
As shown in figs. 4-7, wherein: Fig. 4 is the rotation process schematic views of the utility model fan blade; The plan view of the fan blade that Fig. 5 provides for the utility model fan blade embodiment two; The structural representation of the fan blade that Fig. 6 provides for the utility model embodiment two; The wind wheel structure schematic diagram of the vertical axis aerogenerator embodiment that Fig. 7 provides for the utility model; The fan blade that the utility model that the present embodiment provides provides, this fan blade comprises blade, bounding means and framework, and described bounding means is set to pin 2 in the present embodiment.Root 4 and the described framework 3 of described blade 1 are rotationally connected; In the present embodiment, preferred employing rotating shaft 6, described rotating shaft 6 two ends are connected with described framework 3 respectively by rolling bearing 7.Described bounding means namely as shown in the figure pin 2 be fixed on described framework 3, and between the root 4 and the fixed end 5 of described framework 3 of described blade 1, for limiting the rotation angle of described blade 1; The fixed end 5 of described framework is for being arranged on the main shaft 8 of blower fan.
Described blade 1 is set to two, and two described blades 1 set gradually along the length direction of framework, and the distance between the root of adjacent two described blades is less than the length of described blade; Described length direction be as shown in the figure along the radially outer direction of main shaft 8, described bounding means and pin 2 are set to one, and described bounding means is between the fixed end and the described blade of contiguous described fixed end of described framework.Due to adjacent two described blades root between distance be less than the length of described blade, therefore, the root rotating shaft of described first blade can be equivalent to the block piece of described second blade, only need arrange a block piece, reduce cost of production.
As shown in Figure 4, the back side of the effective windward side of spindle 1 is closed on described in described pin 2 is positioned at, when wind 9 blows to effective windward side of described blade 1, described blade 1 by wind-force effect gland on described pin 2, rest blade 1 gland is in described rotating shaft 6, form the fan blade do not leaked out, drive described fan blade to rotate along main shaft 8 circumference of described blower fan.After shown fan blade turns over 90 degree, described pin 2 goes to one side windward, and described blade 1 to be blown off described pin 2 and described rotating shaft 6 by wind-force effect, and described blade 1 is parallel to wind direction and forms the fan blade leaked out, and decreases the resistance of wind 9.Described fan blade be in turn over 90 degree and turn between 270 degree time, as shown in Figure 4, described blade 1 due to wind-force effect also parallel with described wind direction, reduce the resistance of wind, after turning over 270 degree, described blade 1 continues gland on described pin 2 and described main shaft 8 by wind-force effect, continues to provide mechanical energy to described wind-driven generator.Last till that described fan blade continues this process after having turned a circle as shown in Figure 4.Thus, by the rotation of described blade 1, the effect of windage when decreasing leeward, improves the utilization ratio of wind energy.
For adapting to different wind field environment, described blade 1 can be set to one, three and more than.
If Fig. 4 is in the possibility of the present embodiment, described blade shape is set to rectangle.The rectangular paddle of same shape, processing is low with assembling difficulty.
Optionally, described blade adopts carbon fiber composite to make; Described framework adopts light aluminum alloy to make.
Vertical axis aerogenerator embodiment
As Fig. 7 and Fig. 8, wherein, the wind wheel structure schematic diagram of vertical axis aerogenerator embodiment that provides for the utility model of Fig. 7; The wind wheel plan view of the vertical axis aerogenerator embodiment that Fig. 8 provides for the utility model; The utility model provides a kind of vertical axis aerogenerator, and described vertical axis aerogenerator comprises described fan blade; The fixed end 5 of described framework 3 is fixedly connected with the main shaft 8 of described vertical axis aerogenerator; Multiple described fan blade is along the circumference equilibrium arrangement of described main shaft 8.
As Fig. 8, in the possibility of the present embodiment, described vertical axis aerogenerator comprises four described fan blades.
For adapting to different wind field environment, described fan blade can be set to two, three, five and more than.
As Fig. 7 and Fig. 8, wind 9 is from when wind direction blows as shown in the figure, the described pin 2 being positioned at the described fan blade above described main shaft 8 in figure is positioned at the back side of the effective windward side of described blade 1, when wind 9 blows to effective windward side of described blade 1, described blade 1 by wind-force effect gland on institute's pin 2, form the fan blade do not leaked out, drive described fan blade to rotate along main shaft 8 circumference of described blower fan.The described pin 2 being positioned at the described fan blade below described main shaft 8 in figure is positioned at one side windward, and described blade 1 to be blown off described pin 2 by wind-force effect, and described blade 1 is parallel to wind direction and forms the fan blade leaked out, and decreases the resistance of wind 9.Thus, by the rotation of described blade 1, the effect of windage when decreasing leeward, improves the utilization ratio of wind energy.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. a fan blade, for vertical axis aerogenerator, is characterized in that, this fan blade comprises blade, bounding means and framework; The root of described blade is connected with described frame member; Described bounding means is on said frame affixed, and between the root and the fixed end of described framework of described blade, for limiting the rotation angle of described blade; The fixed end of described framework is for being arranged on the main shaft of blower fan.
2. fan blade according to claim 1, is characterized in that, described blade is set to multiple, and multiple described blade is intervally arranged successively along the length direction of framework; Described bounding means is set to multiple, and multiple described bounding means and multiple described blade one_to_one corresponding are arranged.
3. fan blade according to claim 1, is characterized in that, described blade is set to multiple, and multiple described blade sets gradually along the length direction of framework, and the distance between the root of adjacent two described blades is less than the length of described blade; Described bounding means is set to one, and described bounding means is between the fixed end and the described blade of contiguous described fixed end of described framework.
4., according to the arbitrary described fan blade of claim 1-3, it is characterized in that, described blade is connected with described frame member by rotating shaft.
5. fan blade according to claim 4, is characterized in that, the root of described blade is fixedly connected with described rotating shaft, and the two ends of described rotating shaft are connected with described frame member respectively by rolling bearing.
6., according to the arbitrary described fan blade of claim 1-3, it is characterized in that, described bounding means is set to the pin be fixedly connected with described framework.
7., according to the arbitrary described fan blade of claim 1-3, it is characterized in that, described blade shape is set to rectangle.
8. according to the arbitrary described fan blade of claim 1-3, it is characterized in that, described blade adopts carbon fiber composite to make; Described framework adopts light aluminum alloy to make.
9. a vertical axis aerogenerator, is characterized in that, described vertical axis aerogenerator comprises multiple fan blade as described in claim 1-8; The fixed end of described framework is fixedly connected with the main shaft of described vertical axis aerogenerator; Multiple described fan blade is along the circumference equilibrium arrangement of described main shaft.
10. vertical axis aerogenerator according to claim 9, is characterized in that, described vertical axis aerogenerator comprises four described fan blades.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614483.XU CN204175526U (en) | 2014-10-22 | 2014-10-22 | Fan blade and the vertical axis aerogenerator comprising this fan blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420614483.XU CN204175526U (en) | 2014-10-22 | 2014-10-22 | Fan blade and the vertical axis aerogenerator comprising this fan blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204175526U true CN204175526U (en) | 2015-02-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420614483.XU Expired - Fee Related CN204175526U (en) | 2014-10-22 | 2014-10-22 | Fan blade and the vertical axis aerogenerator comprising this fan blade |
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| CN (1) | CN204175526U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836170A (en) * | 2019-12-30 | 2020-02-25 | 粘文学 | Turning plate type wind driven generator |
-
2014
- 2014-10-22 CN CN201420614483.XU patent/CN204175526U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836170A (en) * | 2019-12-30 | 2020-02-25 | 粘文学 | Turning plate type wind driven generator |
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| 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: 20150225 Termination date: 20211022 |