CN204253275U - Horizontal axis dual-rotor wind power generating device - Google Patents
Horizontal axis dual-rotor wind power generating device Download PDFInfo
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- CN204253275U CN204253275U CN201420644425.1U CN201420644425U CN204253275U CN 204253275 U CN204253275 U CN 204253275U CN 201420644425 U CN201420644425 U CN 201420644425U CN 204253275 U CN204253275 U CN 204253275U
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- wind wheel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The utility model relates to wind power generation field, discloses a kind of horizontal axis dual-rotor wind power generating device.Described horizontal axis dual-rotor wind power generating device, is configured with two antidromous wind wheel structures, in order to drive rotor coil and rotor magnetic pole counter rotating, thus the wind energy that synthesis two wind wheel structures gather, and export with electrical energy form.Because two wind wheel structure can realize sweeping wind twice, be compared to the disposable of single wind wheel structure and sweep wind, described wind generating unit improves collecting efficiency and the transformation efficiency of wind energy, and reduces available minimum wind speed, has wider application scenarios.
Description
Technical field
The utility model relates to wind power generation field, particularly, relates to a kind of horizontal axis dual-rotor wind power generating device.
Background technique
Wind-power electricity generation is a kind of is the process of electric energy the kinetic energy of gas flow, and its working principle utilizes the wind-drive wind wheel blade of gas flow to rotate, and recycling speeder promotes rotational speed, drives electrical power generators.According to current wind generating technology, even if wind speed only has the gentle breeze of 3 meters per second also to may be used for wind-power electricity generation, application scenarios is extensive.Simultaneously because wind energy is renewable energy sources, and wind-power electricity generation can not cause radiation or atmospheric pollution, and therefore wind-power electricity generation becomes the new lover of current energy industry.
Existing wind-driven generator is divided into horizontal axis wind-driven generator and vertical axis aerogenerator, wherein the basic structure of horizontal axis wind-driven generator is control tower, generator bay and wind wheel structure, described generator bay mostly is single rotor and single statodyne, drives single rotor coil or the generating of single rotor magnetic pole by single wind wheel structure.Because single wind wheel structure of existing apparatus can only carry out disposablely sweeping wind to wind, the efficiency of Wind resource change electric energy only has 20 ~ 30%, available minimum wind speed 3 meter per second, is necessary that a nearly step improves conversion efficiency, and reduces available minimum wind speed.
For the problem that the conversion efficiency of above-mentioned current horizontal axis wind-driven generator is not high, need to provide a kind of novel horizontal axis wind generating device, effectively can promote the efficiency of Wind resource change electric energy, and available minimum wind speed can be reduced, there is wider application scenarios.
Model utility content
For the problem that the conversion efficiency of above-mentioned current horizontal axis wind-driven generator is not high, the utility model provides a kind of horizontal axis dual-rotor wind power generating device, effectively can promote the efficiency of Wind resource change electric energy, and available minimum wind speed can be reduced, thus there is wider application scenarios.
The technical solution adopted in the utility model, provides a kind of horizontal axis dual-rotor wind power generating device, comprises tower bar, be arranged on the generator bay of tower bar upper end, it is characterized in that, also comprise: the first wind wheel structure and the second wind wheel structure; Described first wind wheel structure comprises the first wind wheel profile, is arranged at least one first wind wheel blade on the first wind wheel profile and the first rotating shaft being at a slow speed connected the first wind wheel profile; Described second wind wheel structure comprises the second wind wheel profile, is arranged at least one second wind wheel blade on the second wind wheel profile and the second rotating shaft being at a slow speed connected the second wind wheel profile; Described generator bay comprises the first gear-box, the first quick rotating shaft, the first rotor, the second rotor, the second quick rotating shaft and the second gear-box; Described first at a slow speed rotating shaft connect the first gear-box, the first gear-box connects the first quick rotating shaft, the first quick rotating shaft connection the first rotor; Described second at a slow speed rotating shaft connect the second gear-box, second gear-box connect the second quick rotating shaft, the second quick rotating shaft connects the second rotor; First wind wheel blade and the second wind wheel blade are linear twisted blade, and the distortion sense of rotation of the first wind wheel blade is contrary with the distortion sense of rotation of the second wind wheel blade.Described wind generating unit is configured with two wind wheel structure and dual-rotor structure, and the second wind wheel structure can gather through the first wind wheel structure and not by the wind energy that the first wind wheel structure gathers, realize second time and sweep wind, improve wind collecting efficiency.Simultaneously two wind wheel structures drive rotor coil in dual-rotor structure and rotor magnetic pole respectively, because the distortion sense of rotation of the first wind wheel blade is contrary with the distortion sense of rotation of the second wind wheel blade, its sense of rotation will be contrary under same aweather effect for two wind wheel structures, finally make rotor coil and rotor magnetic pole counter rotating, thus the wind energy of two wind wheel structures collections can be synthesized, and be converted into electrical energy form output, improve the efficiency that wind energy transformation is electric energy.Due to rotor coil and rotor magnetic pole counter rotating, the relative rotation speed of two rotors under equal wind-force can promote nearly one times, and described wind generating unit also contributes to reducing available minimum wind speed.
Concrete, described the first rotor is rotor coil, and the second rotor is rotor magnetic pole; Or described the first rotor is rotor magnetic pole, the second rotor is rotor coil.
Concrete, described first wind wheel structure comprises 2 to 4 the first wind wheel blades; And/or the second wind wheel structure comprises 2 to 4 the second wind wheel blades.
Concrete, described first wind wheel blade cross section is the round and smooth class triangle of angle, and the base angle, cutting edge of a knife or a sword portion of the first wind wheel blade is less than the base angle, back of the first wind wheel blade, and the distortion axis of rotation of the first wind wheel blade is base angle, the back point of the first wind wheel blade; Second wind wheel blade cross section is the round and smooth class triangle of angle, and the base angle, cutting edge of a knife or a sword portion of the second wind wheel blade is less than the base angle, back of the second wind wheel blade, and the distortion axis of rotation of the second wind wheel blade is base angle, the back point of the second wind wheel blade.
To sum up, the horizontal axis dual-rotor wind power generating device provided described in the utility model is provided, the rotor coil in dual-rotor structure and rotor magnetic pole is driven to generate electricity by two wind wheel structures that sense of rotation is contrary, because two wind wheel structure can realize sweeping wind twice, be compared to the disposable of single wind wheel structure and sweep wind, described wind generating unit improves the collecting efficiency of wind energy and is converted into the efficiency of electric energy, and reduces available minimum wind speed, has wider application scenarios.
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 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.
Fig. 1 is the profile of the horizontal axis dual-rotor wind power generating device that the utility model embodiment provides.
Fig. 2 is the front elevation of the horizontal axis dual-rotor wind power generating device that the utility model embodiment provides.
Fig. 3 is the cut-away view of generator bay in the horizontal axis dual-rotor wind power generating device that provides of the utility model embodiment.
Fig. 4 is the cross-sectional view of the horizontal axis dual-rotor wind power generating device Leaf that the utility model embodiment provides.
In above-mentioned accompanying drawing: 1, tower bar 2, generator bay 2a, the first gear-box 2b, the first quick rotating shaft 2c, the first rotor 2d, the second rotor 2e, the second quick rotating shaft 2f, the second gear-box 3, first wind wheel structure 3a, the first wind wheel profile 3b, the first wind wheel blade 3c, first rotating shaft 4, second wind wheel structure 4a, the second wind wheel profile 4b, the second wind wheel blade 4c, the second rotating shaft at a slow speed at a slow speed.
Embodiment
Hereinafter with reference to accompanying drawing, describe by way of example the horizontal axis dual-rotor wind power generating device that the utility model provides in detail.It should be noted that at this, the explanation for these way of example understands the utility model for helping, but does not form restriction of the present utility model.
Various technology described herein may be used for but be not limited to wind power generation field, can also be used for other such as similar field such as hydroelectric power, tidal power generation.
Term "and/or" herein, it is only a kind of incidence relation describing affiliated partner, three kinds of relations can be there are in expression, such as, A and/or B, can represent: individualism A, individualism B, there are A and B tri-kinds of situations simultaneously, herein term " or/and " be describe another kind of affiliated partner relation, can there are two kinds of relations in expression, such as, A is or/and B, can represent: individualism A, individualism A and B two kinds of situations, in addition, character "/" herein, general expression forward-backward correlation is to liking a kind of "or" relation.
Embodiment one, Fig. 1 shows the profile of the horizontal axis dual-rotor wind power generating device that the present embodiment provides, Fig. 2 shows the front elevation of the horizontal axis dual-rotor wind power generating device that the present embodiment provides, Fig. 3 shows the cut-away view of generator bay in the horizontal axis dual-rotor wind power generating device that the present embodiment provides, and Fig. 4 shows the cross-sectional view of the horizontal axis dual-rotor wind power generating device Leaf that the present embodiment provides.Described horizontal axis dual-rotor wind power generating device, comprises tower bar 1, is arranged on the generator bay 2 of tower bar 1 upper end, it is characterized in that, also comprise: the first wind wheel structure 3 and the second wind wheel structure 4; Described first wind wheel structure 3 comprises the first wind wheel profile 3a, is arranged at least one first wind wheel blade 3b on the first wind wheel profile 3a and the first rotating shaft 3c being at a slow speed connected the first wind wheel profile 3a; Described second wind wheel structure 4 comprises the second wind wheel profile 4a, is arranged at least one second wind wheel blade 4b on the second wind wheel profile 4a and the second rotating shaft 4c being at a slow speed connected the second wind wheel profile 4a; Described generator bay 2 comprises the first gear-box 2a, the first quick rotating shaft 2b, the first rotor 2c, the second rotor 2d, the second quick rotating shaft 2e and the second gear-box 2f; Described first at a slow speed rotating shaft 3c connect the first gear-box 2a, the first gear-box 2a connects the first quick rotating shaft 2b, the first quick rotating shaft 2b connection the first rotor 2c; Described second at a slow speed rotating shaft 4c connect the second gear-box 2f, second gear-box 2f connect the second quick rotating shaft 2e, the second quick rotating shaft 2e connects the second rotor 2d; First wind wheel blade 3b and the second wind wheel blade 4b is linear twisted blade, and the distortion sense of rotation of the first wind wheel blade 3b is contrary with the distortion sense of rotation of the second wind wheel blade 4b.Described horizontal axis dual-rotor wind power generating device is configured with two wind wheel structure and dual-rotor structure, and the second wind wheel structure 4 can gather through the first wind wheel structure 3 and not by the wind energy that the first wind wheel structure 3 gathers, realize secondary and sweep wind, improves wind collecting efficiency.Simultaneously two wind wheel structures drive rotor coil in dual-rotor structure and rotor magnetic pole respectively, because the distortion sense of rotation of the first wind wheel blade 3b is contrary with the distortion sense of rotation of the second wind wheel blade 4b, its sense of rotation will be contrary under same aweather effect for two wind wheel structures, such as the first wind wheel structure is rotated counterclockwise, second wind wheel structure turns clockwise, finally make rotor coil and rotor magnetic pole counter rotating, thus the wind energy of two wind wheel structures collections can be synthesized, and be converted into electrical energy form output, improve the efficiency that wind energy transformation is electric energy.Due to rotor coil and rotor magnetic pole counter rotating, the relative rotation speed of two rotors under equal wind-force can promote nearly one times, and described wind generating unit also contributes to reducing available minimum wind speed.In addition, the first gear-box 2a in the present embodiment and the second gear-box 2f is for improving rotational speed, and being beneficial to Wind resource change is electric energy.
Concrete, described the first rotor 2c is rotor coil, and the second rotor 2d is rotor magnetic pole; Or described the first rotor 2c is rotor magnetic pole, the second rotor 2d is rotor coil.The first rotor 2c and the second rotor coil and field structure each other, the magnetic induction line that coil cutting magnetic pole produces, thus be electric energy by kinetic transformation, the core component of generator, as what optimize, in an embodiment, the first rotor 2c is rotor coil, and the second rotor 2d is rotor magnetic pole.
Concrete, described first wind wheel structure 3 comprises 2 to 4 the first wind wheel blade 3b; And/or the second wind wheel structure 4 comprises 2 to 4 the second wind wheel blade 4b.The lobe numbers of described first wind wheel structure 3 can be identical with the lobe numbers of the second wind wheel structure 4, also can be different, as what optimize, in the present embodiment, first wind wheel structure 3 comprises 3 the first wind wheel blade 3b, and the second wind wheel structure 4 comprises 3 the second wind wheel blades.
Concrete, the distortion angle of swing of described first wind wheel blade 3b is greater than 0 degree and is not more than 60 degree; And/or the distortion angle of swing of the second wind wheel blade 4b is greater than 0 degree and is not more than 60 degree.Described wind wheel blade arranges suitable distortion angle of swing, contribute to the mobility making full use of wind, maximized collection wind energy, improve the rotational speed of wind wheel structure, the distortion angle of swing of described first wind wheel blade 3b can be identical with the distortion angle of swing size of the second wind wheel blade 4b, also can be different, as what optimize, in the present embodiment, the distortion angle of swing of the first wind wheel blade 3b is 30 degree, and the distortion angle of swing of the second wind wheel blade 4b is also 30 degree.
Concrete, described first wind wheel blade 3b cross section is the round and smooth class triangle of angle, the distortion axis of rotation that the cutting edge of a knife or a sword portion base angle 1 of the first wind wheel blade 3b is less than base angle, back β 1, the first wind wheel blade 3b of the first wind wheel blade 3b is base angle, the back point of the first wind wheel blade 3b; Second wind wheel blade 4b cross section is the round and smooth class triangle of angle, and the distortion axis of rotation that the cutting edge of a knife or a sword portion base angle 2 of the second wind wheel blade 4b is less than base angle, back β 2, the second wind wheel blade 4b of the second wind wheel blade 4b is base angle, the back point of the second wind wheel blade 4b.The cutting edge of a knife or a sword portion base angle 1 of described first wind wheel blade 3b is not less than 1 degree and is not more than 15 degree; Base angle, the back β 1 of described first wind wheel blade 3b is not less than 75 degree and is not more than 120 degree.The cutting edge of a knife or a sword portion base angle 2 of described second wind wheel blade 4b is not less than 1 degree and is not more than 15 degree; Base angle, the back β 2 of described second wind wheel blade 4b is not less than 75 degree and is not more than 120 degree.As shown in Figure 4, the structure of described first wind wheel blade 3b and the second wind wheel blade 4b is used for when blade sweeps wind, the maximized efficiency improving collection wind energy, as what optimize, in the present embodiment, the cutting edge of a knife or a sword portion base angle 1 of described first wind wheel blade 3b is 12 degree, and base angle, the back β 1 of the first wind wheel blade 3b is 83 degree; The cutting edge of a knife or a sword portion base angle 2 of described second wind wheel blade 4b is 12 degree, and base angle, the back β 2 of the second wind wheel blade 4b is 83 degree.
Concrete, the length of described first wind wheel blade 3b is 0.6 to 0.7 times of control tower 1 height; And/or the length of described second wind wheel blade 4b is 0.6 to 0.7 times of control tower 1 height.The length of described first wind wheel blade 3b and the second wind wheel blade 4b is longer, wind sweeping area is larger, but the increase due to leaf quality will affect the raising of wind wheel structure rotational speed, so the blade of wind wheel needs to have suitable length, in addition, the length of the first wind wheel blade 3b can be identical with the length of the second wind wheel blade 3b, also can be different, as what optimize, in the present embodiment, the length of described first wind wheel blade 3b and the length of the second wind wheel blade 3b are 0.62 times of control tower 1 height.
Concrete, the level interval of described first wind wheel blade 3b and the second wind wheel blade 4b is 0.05 to 0.24 times of the first wind wheel blade 3b length.Due to the first wind wheel blade 3b sweep wind after can change the flow direction of wind, thus the second time affecting the second wind wheel blade 4b sweeps wind effect, therefore the level interval of suitable wind wheel blade is set, guarantee that the second wind wheel blade 4b gathers the efficiency of wind energy by contributing to, as what optimize, in the present embodiment, the level interval of described first wind wheel blade 3b and the second wind wheel blade 4b is 0.09 times of the first wind wheel blade 3b length.
The above-mentioned horizontal axis dual-rotor wind power generating device provided, the rotor coil in dual-rotor structure and rotor magnetic pole is driven to generate electricity by two wind wheel structures that sense of rotation is contrary, because two wind wheel structure can realize sweeping wind twice, be compared to the disposable of single wind wheel structure and sweep wind, described wind generating unit improves the collecting efficiency of wind energy and is converted into the efficiency of electric energy, and reduce available minimum wind speed, there is wider application scenarios.
As mentioned above, the utility model can be realized preferably.For a person skilled in the art, according to instruction of the present utility model, designing multi-form horizontal axis dual-rotor wind power generating device does not need performing creative labour.When not departing from principle of the present utility model and spirit, these embodiments being changed, revising, replace, integrate and modification still falls in protection domain of the present utility model.
Claims (9)
1. a horizontal axis dual-rotor wind power generating device, comprises tower bar (1), is arranged on the generator bay (2) of tower bar (1) upper end, it is characterized in that, also comprise: the first wind wheel structure (3) and the second wind wheel structure (4);
Described first wind wheel structure (3) comprises the first wind wheel profile (3a), is arranged at least one first wind wheel blade (3b) on the first wind wheel profile (3a) and the first rotating shaft at a slow speed (3c) being connected the first wind wheel profile (3a);
Described second wind wheel structure (4) comprises the second wind wheel profile (4a), is arranged at least one second wind wheel blade (4b) on the second wind wheel profile (4a) and the second rotating shaft at a slow speed (4c) being connected the second wind wheel profile (4a);
Described generator bay (2) comprises the first gear-box (2a), the first quick rotating shaft (2b), the first rotor (2c), the second rotor (2d), the second quick rotating shaft (2e) and the second gear-box (2f);
Described first rotating shaft at a slow speed (3c) connects the first gear-box (2a), and the first gear-box (2a) connects the first quick rotating shaft (2b), and the first quick rotating shaft (2b) connects the first rotor (2c);
Described second rotating shaft at a slow speed (4c) connects the second gear-box (2f), and the second gear-box (2f) connects the second quick rotating shaft (2e), and the second quick rotating shaft (2e) connects the second rotor (2d);
First wind wheel blade (3b) and the second wind wheel blade (4b) are linear twisted blade, and the distortion sense of rotation of the first wind wheel blade (3b) is contrary with the distortion sense of rotation of the second wind wheel blade (4b).
2. horizontal axis dual-rotor wind power generating device as claimed in claim 1, is characterized in that, comprising:
Described the first rotor (2c) is rotor coil, and the second rotor (2d) is rotor magnetic pole;
Or described the first rotor (2c) is rotor magnetic pole, the second rotor (2d) is rotor coil.
3. horizontal axis dual-rotor wind power generating device as claimed in claim 1, is characterized in that, comprising:
First wind wheel structure (3) comprises 2 to 4 the first wind wheel blades (3b);
And/or the second wind wheel structure (4) comprises 2 to 4 the second wind wheel blades (4b).
4. horizontal axis dual-rotor wind power generating device as claimed in claim 1, is characterized in that, comprising:
The distortion angle of swing of the first wind wheel blade (3b) is greater than 0 degree and is not more than 60 degree;
And/or the distortion angle of swing of the second wind wheel blade (4b) is greater than 0 degree and is not more than 60 degree.
5. horizontal axis dual-rotor wind power generating device as claimed in claim 1, is characterized in that, comprising:
First wind wheel blade (3b) cross section is the round and smooth class triangle of angle, the base angle, cutting edge of a knife or a sword portion of the first wind wheel blade (3b) is less than the base angle, back of the first wind wheel blade (3b), and the distortion axis of rotation of the first wind wheel blade (3b) is base angle, the back point of the first wind wheel blade (3b);
Second wind wheel blade (4b) cross section is the round and smooth class triangle of angle, the base angle, cutting edge of a knife or a sword portion of the second wind wheel blade (4b) is less than the base angle, back of the second wind wheel blade (4b), and the distortion axis of rotation of the second wind wheel blade (4b) is base angle, the back point of the second wind wheel blade (4b).
6. horizontal axis dual-rotor wind power generating device as claimed in claim 5, is characterized in that, comprising:
The base angle, cutting edge of a knife or a sword portion of described first wind wheel blade (3b) is not less than 1 degree and is not more than 15 degree;
The base angle, back of described first wind wheel blade (3b) is not less than 75 degree and is not more than 120 degree.
7. horizontal axis dual-rotor wind power generating device as claimed in claim 5, is characterized in that, comprising:
The base angle, cutting edge of a knife or a sword portion of described second wind wheel blade (4b) is not less than 1 degree and is not more than 15 degree;
The base angle, back of described second wind wheel blade (4b) is not less than 75 degree and is not more than 120 degree.
8. horizontal axis dual-rotor wind power generating device as claimed in claim 1, is characterized in that, comprising:
The length of described first wind wheel blade (3b) is 0.6 to 0.7 times of control tower (1) height;
And/or the length of described second wind wheel blade (4b) is 0.6 to 0.7 times of control tower (1) height.
9. horizontal axis dual-rotor wind power generating device as claimed in claim 1, is characterized in that, comprising:
First wind wheel blade (3b) and the level interval of the second wind wheel blade (4b) are 0.05 to 0.24 times of the first wind wheel blade (3b) length.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644425.1U CN204253275U (en) | 2014-10-30 | 2014-10-30 | Horizontal axis dual-rotor wind power generating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420644425.1U CN204253275U (en) | 2014-10-30 | 2014-10-30 | Horizontal axis dual-rotor wind power generating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204253275U true CN204253275U (en) | 2015-04-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420644425.1U Expired - Fee Related CN204253275U (en) | 2014-10-30 | 2014-10-30 | Horizontal axis dual-rotor wind power generating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN204253275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314766A (en) * | 2014-10-30 | 2015-01-28 | 成都峰达科技有限公司 | Wind driven generator with two opposite wind wheels |
| CN106321357A (en) * | 2016-08-18 | 2017-01-11 | 上海电机学院 | Two-wind-directional double-feed asynchronous wind driven generator |
-
2014
- 2014-10-30 CN CN201420644425.1U patent/CN204253275U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314766A (en) * | 2014-10-30 | 2015-01-28 | 成都峰达科技有限公司 | Wind driven generator with two opposite wind wheels |
| CN106321357A (en) * | 2016-08-18 | 2017-01-11 | 上海电机学院 | Two-wind-directional double-feed asynchronous wind driven generator |
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