CN101113720A - High-efficiency small-sized wind-driven electric generator - Google Patents
High-efficiency small-sized wind-driven electric generator Download PDFInfo
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- CN101113720A CN101113720A CNA2007101308787A CN200710130878A CN101113720A CN 101113720 A CN101113720 A CN 101113720A CN A2007101308787 A CNA2007101308787 A CN A2007101308787A CN 200710130878 A CN200710130878 A CN 200710130878A CN 101113720 A CN101113720 A CN 101113720A
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- generator
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/30—Wind power
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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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- Wind Motors (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a small-sized highly efficient wind power generator and aims at fully making use of and increasing the function of a wind hood and improving the generating efficiency of the prior small-sized wind power generator. The invention comprises a wind wheel device which is connected with a level rotary shaft to one end of each wind vane. The periphery of the other end of each wind vane in the wind wheel device is provided with a wind hood. The invention is characterized in that a stator of the generator is embedded inside and integrated with the hood body of the wind hood; a rotor of the generator can be integrated with the wind wheel device to be arranged together or separated from the wind wheel device to be arranged. The structure of the invention greatly increases the diameter of the rotor (stator) of the generator and leads a higher magnetic line cutting rate of an induction coil of the generator under the same rotating rate, thereby improving the efficiency of the wind machine. The invention is mainly applied in cities or residential districts that have rich wind energy resources.
Description
Technical field
The present invention relates to horizontal shaft type wind-driven generator, especially relate to the small-sized horizontal shaft type wind-driven generator that has distinguished and admirable cover, it is mainly used in wind resource abundant city or residential quarter.
Background technique
The existing small-sized horizontal shaft type wind-driven generator that has a distinguished and admirable cover as shown in Figure 1, it comprises the fan blade device 1 that is installed on horizontal rotating shaft 4, ring set fan blade device 1 is installed the distinguished and admirable cover 11 that can improve its pneumatic effect, described fan blade device 1 is connected with generator 16 by horizontal rotating shaft 4, when fan blade device 1 wind-engaging is tried hard to recommend moving the rotation, drive generators 16 generatings by horizontal rotating shaft 4.Horizontal shaft type wind-driven generator be at present successful in the world, be most widely used and generally believe a kind of wind-driven generator that wind energy utilization is the highest.
Obtain wind energy resources economically, to greatest extent, be topmost technological challenge and target in wind-driven generator design and the development always.For further improving the wind energy utilization of blower fan, people update the propeller blade profile design or the invention novel blade of blower fan, as U.S. Pat 6,736, and 600 disclosed screw type fan blades.Under same wind-force state, the fan blade of function admirable can be captured wind energy better, makes blower fan that higher wind energy-electric energy conversion ratio be arranged.In addition, people are attempting another kind of technological scheme all the time, it is in the Vertical direction of fan blade surface of revolution a spreading type or dome 11 (generally being called distinguished and admirable cover here) centralized or simple straight formula to be installed in the periphery of fan blade device, in the hope of by aerodynamic effects such as its current stabilization, conflux and water conservancy diversion, further improve the wind energy utilization of blower fan.Wherein the air-admitting surface of the distinguished and admirable cover of spreading type is less than the exhaust outlet area, and centralized distinguished and admirable cover is then just in time opposite.Distinguished and admirable cover 11 shown in Figure 1 is the distinguished and admirable cover of spreading type.The distinguished and admirable cover of multi-form, different axial lengths and different end surface shape, its effect and intensity are also different.Existing in the world many patents, disclose various distinguished and admirable cover design, shape, the selection of material and production and processing technology (as U.S. Pat 4,132,499, US 4,021,135; German patent DE 19903846A1, DE 20115330U1).
Conventional distinguished and admirable cover blower fan is except that structurally having more a distinguished and admirable cover, and other structure and working procedure and no cover blower fan (as the open blower fan of blade) are identical.
Generally believe that above-mentioned distinguished and admirable cover has following positive usefulness: it can cut down the negatively influencing of blade blade tip secondary flow, improve fan blade and sweep the incoming flow wind speed (or incoming flow air quantity) of wind face, thereby improve the wind energy utilization of whole blower fan; Simultaneously, distinguished and admirable cover is to subduing the blade tip noise, strengthening aspect such as blower fan running Security (as prevent from winter to throw fall freezing of long-pending knot on the fan blade face) does not have the cover blower fan relatively and possesses suitable advantage, makes that the blower fan with distinguished and admirable cover (especially small-sized distinguished and admirable cover) becomes possibility in the application of city neighborhood.
Though but there have been decades in horizontal its notion of shaft type wind-driven generator that has distinguished and admirable cover, is subject to manufacture cost, is not widely used so far.That is to say that distinguished and admirable cover still needs to carry out the gain and loss balance by the positive role of the raising wind energy utilizations that factor played such as its current stabilization, conflux or water conservancy diversion with respect to the fringe cost that installs distinguished and admirable cover additional, the Economy that distinguished and admirable cover blower fan is used is the bottleneck of its development.
On the other hand, its overall performance of generator of high rotating speed operation is generally believed than low-speed generator to be excellent; For this reason, all having change (increasing) quick-mounting in the wind power generating set usually puts.And small-sized wind power generator is different from large-scale wind energy conversion system owing to be subjected to limitations such as structure, maintenance and cost, generally all adopts the directly driving type generation mode, and promptly fan blade device directly drives generator by connecting shaft.How realizing the slow-speed of revolution and can high effectively generating, is the technical bottleneck that restricts all small-sized fan usefulness so far.
The objective of the invention is when making full use of the above-mentioned positive usefulness of distinguished and admirable cover structure, to overcome the technical bottleneck of above-mentioned small-sized wind power generator, a kind of small-sized wind power generator with higher generating efficiency is provided.In this wind-driven generator, give the stator and the brand-new meaning and the function of rotor structure of fan blade device, distinguished and admirable cover and generator, thereby obtain many new technique effects, further improve the overall efficiency of wind-driven generator.The present invention makes the advantage of distinguished and admirable cover wind-driven generator more outstanding, and the Economy that distinguished and admirable cover wind-driven generator is used more becomes rationally, has proposed the technological scheme of a novelty for the high generating of the wind-driven generator slow-speed of revolution.
In order to solve the problems of the technologies described above, the present invention adopts following technological scheme:
High-efficiency small-sized wind-driven electric generator, it comprises the fan blade device that is connected to horizontal rotating shaft by an end of each air blade, the distinguished and admirable cover of the peripheral unit of each air blade the other end, the stator of setting-in generator on the cover body of distinguished and admirable cover, the stator of generator and the cover body of distinguished and admirable cover become one, with the rotor of the corresponding device generator of the stator of described generator.
The rotor of described generator is constructed as follows: the end of each air blade the other end is connected with magnetic part in described fan blade device, and is integrated by this magnetic part and described fan blade device, constitutes the rotor of described generator.
Wherein the mounting structure of the stator of generator and rotor is as follows: described distinguished and admirable cover cover body by distinguished and admirable cover before cover body, generator unit stator cover body and the segmentation of distinguished and admirable cover rear cover body be linked in sequence and constitute, wherein the generator unit stator cover body is by generator unit stator and coat its outer case and constitute; Preceding cover body of described distinguished and admirable cover and distinguished and admirable cover rear cover body that the generator unit stator cover body is adjacent the place compare, its thickness is less than both, but its internal diameter is greater than both, on the inwall of distinguished and admirable cover cover body, form a groove thus, in this groove, embed magnetic part with the described generator amature of the corresponding device of stator of described generator, the notch face of the internal face of this magnetic part and described groove maintains an equal level, and comprises the internal face of this magnetic part, and the wall of distinguished and admirable cover inwall keeps streamline-shaped.The most rational situation is the lowest calibre place that the magnetic part of the stator of described generator and described generator amature is positioned at distinguished and admirable cover cover body inwall.
Magnetic part described in the said structure is a magnetic cirque body, and perhaps, described magnetic part comprises a magnetic conduction cirque body, on the magnetic conduction cirque body magnetic tablet is installed.
The rotor of generator and described fan blade device also can be following mode of structure: the rotor of an end of each air blade and described generator is connected to a horizontal rotating shaft in the described fan blade device, fan blade device is positioned at the lowest calibre place of distinguished and admirable cover cover body inwall, fan blade device is by the rotor rotation of horizontal rotating shaft drive wind-driven generator, and the rotor of generator and described fan blade device are installed as two bodies.
Technique effect of the present invention:
The present invention is in the structure characteristic and the usefulness while that keep on its aerodynamics meaning of distinguished and admirable cover, give distinguished and admirable cover structure brand-new function, it specifically is the stator of setting-in generator in the cover body of distinguished and admirable cover, the stator of generator and the cover body of distinguished and admirable cover are combined as a whole, distinguished and admirable cover is no longer merely the parts that improve wind energy utilization, also be a constituent element of electric generator structure simultaneously, it is as the support part of generator unit stator.The present invention becomes one generator unit stator and distinguished and admirable cover, bringing significant technique effect is the diameter that has amplified generator fixed (commentaries on classics) to the utmost, under the situation of identical rotor speed, generator inductor coil among the present invention can have higher (line) speed cutting magnetic line, thereby can produce bigger induced potential, significantly improve the generating efficiency of wind-driven generator.The present invention makes the advantage of distinguished and admirable cover wind-driven generator more outstanding, and then the Economy that distinguished and admirable cover wind-driven generator is used more becomes reasonable; Simultaneously, also opened up a new technological approaches for occurred frequently the establishing by cable of the small wind turbine slow-speed of revolution.Up to now, all wind-driven generators in the world, its structure all is by fan blade device wind energy to be converted to machinery (commentaries on classics) kinetic energy, drives the rotor rotation and then the generating of wind-driven generator then by couple axle.Rotor and fan blade device with generator among the present invention become one, and make that the structure of whole wind power generator is simpler.
Description of drawings
Fig. 1 is existing schematic representation with distinguished and admirable cover wind-driven generator;
Fig. 2 is structure first embodiment's of the present invention schematic representation;
Fig. 3 be the generator of different stator radiuses under same rotational speed, the corresponding schematic representation of coil with the friction speed cutting magnetic line;
Fig. 4 is structure second embodiment's of the present invention schematic representation;
Fig. 5 is the enlarged view at A-A position among Fig. 4;
Fig. 6 is structure the 3rd embodiment's of the present invention schematic representation;
Fig. 7 is the cross-sectional schematic of structure of the present invention.
Fig. 8 is the enlarged view at B-B position among Fig. 7.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
Embodiment 1:
See Fig. 2, Fig. 7 and Fig. 8, the present invention includes the distinguished and admirable cover 11 that support 3 supports, distinguished and admirable cover 11 by distinguished and admirable cover before cover body 12, stator cover body 13 and distinguished and admirable cover rear cover body 8 be spliced; Wherein stator cover body 13 is by generator unit stator 14 and coat its outer aluminum alloy case 9 and constitute, technology setting-in inductor coil routinely in the line embedding groove of stator 14; The thickness of stator cover body 13 less than but internal diameter greater than adjacent preceding cover body 12 and rear cover body 8, on the inwall of distinguished and admirable cover body, form a groove thus, in groove, keep small air gap 10, by support 3 corresponding device generator amatures 5 with stator 14.
See Fig. 2, Fig. 7 and Fig. 8, the concrete installations relation of generator amature 5 is as follows: at the fixing magnetic conduction annulus 6 of the blade tip of each air blade 2, in described magnetic conduction annulus 6 equal intervals magnetic tablet 7 is installed, the magnetic part of forming generator amature, magnetic tablet 7 setting-ins of magnetic conduction annulus 6 and upward attaching installation thereof are gone in the above-mentioned groove, the notch face of the internal face of magnetic conduction annulus 6 and described groove maintains an equal level, and comprises the internal face of described magnetic conduction annulus 6, makes the wall of distinguished and admirable cover inwall keep streamline-shaped.The above-mentioned annulus 6 of magnetic tablet 7 and the rotor 5 that described fan blade device 1 constitutes described generator of being equipped with, the rotor 5 and the described fan blade device 1 of generator become one.Reasonably situation is generator unit stator 14, magnetic conduction annulus 6 and goes up the lowest calibre place that the magnetic tablet of installing 7 is positioned at distinguished and admirable cover cover body inwall.Air gap 10 values are 1 millimeter in the present embodiment, 84 centimetres of the inner diameters of stator 14,82 centimetres of the diameters of air blade 2, stator 14, annulus 6 and magnetic tablet 7 can be made of conventional power generation usage machine stator and rotor material therefor, for example, stator 14 adds the coil winding by silicon steel plate to be made by its conventional design and technology, and the annulus 6 of rotor 5 selects for use magnetic conduction low carbon steel, magnetic tablet 7 to select for use NdFeB material to make by its common process.When the present invention worked, each air blade 2 of fan blade device 1 rotated under the effect of wind-force, was equivalent to generator amature 5 and rotated, thereby make generator for electricity generation.
The present invention is flush-mounted in stator in the distinguished and admirable cover cover body, amplified the diameter of generator fixed (commentaries on classics) to the utmost, see Fig. 3, radius shown in the figure is respectively two fixed (commentaries on classics) sons of R1 and R2, the value of R1 is greater than the value of R2, and under the situation of identical rotor speed (rotor rotation equal angular θ), the stator radius is that the inductor coil of the motor of R1 can have higher (line) speed cutting magnetic line, thereby can produce bigger induced potential, significantly improve the generating efficiency of wind-driven generator.The stator radius is that (line) speed V1 of inductor coil cutting magnetic line is (line) speed V2 of inductor coil cutting magnetic line in the motor of R2 greater than the stator radius in the motor of R1 among Fig. 3, V1=(R1/R2) * V2.
Embodiment 2:
See Fig. 4, shown in Figure 5, the difference of itself and embodiment illustrated in fig. 21 structure is, the annulus 6 that adopts low-carbon steel material to make among Fig. 2 changes the annulus 17 that adopts the lower aluminum alloy material of proportion to make into relatively, attaches the magnet ring of being made by magnetic material 15 on the annulus 17.Annulus 17 and the magnet ring 15 that attaches on it and described fan blade device 1 constitute the rotor 5 of described generator, and magnet ring 15 material therefors can be identical with embodiment 1, and all the other structures of present embodiment are also described identical with embodiment 1.
Embodiment 3:
See shown in Figure 6, the rotor 5 of an end of each air blade 2 and described generator is connected to horizontal rotating shaft 4 in the fan blade device 1, described fan blade device 1 rotates by the rotor 5 that horizontal rotating shaft 4 drives wind-driven generator, and the rotor 5 and the described fan blade device 1 of generator are installed as two bodies.Among Fig. 6, the structure and the installation relation thereof of stator 14 and rotor 5 are identical with Fig. 2 and Fig. 8, different is rotor annulus 6 and attach magnetic tablet 7 on it and be fixed on independently on the support 16, and support 16 is connected with horizontal rotating shaft 4.All the other structures of present embodiment are described identical with embodiment 1.
Claims (7)
1. high-efficiency small-sized wind-driven electric generator, it comprises the fan blade device that is connected to horizontal rotating shaft by an end of each air blade, the distinguished and admirable cover of the peripheral unit of each air blade the other end, the stator that it is characterized in that setting-in generator on the cover body of distinguished and admirable cover, the stator of generator and the cover body of distinguished and admirable cover become one, with the rotor of the corresponding device generator of the stator of described generator.
2. by the described high-efficiency small-sized wind-driven electric generator of claim 1, the rotor that its further feature is described generator is constructed as follows: the end of each air blade the other end is connected with magnetic part in described fan blade device, integrated by this magnetic part and described fan blade device, constitute the rotor of described generator.
3. by claim 1 or 2 described high-efficiency small-sized wind-driven electric generators, it is characterized in that cover body before described distinguished and admirable cover cover body is by distinguished and admirable cover, generator unit stator cover body and the segmentation of distinguished and admirable cover rear cover body are linked in sequence constitutes, and wherein the generator unit stator cover body is by generator unit stator and coat its outer case and constitute; Preceding cover body of described distinguished and admirable cover and distinguished and admirable cover rear cover body that the generator unit stator cover body is adjacent the place compare, its thickness is less than both, but its internal diameter is greater than both, on the inwall of distinguished and admirable cover cover body, form a groove thus, in this groove, embed magnetic part with the described generator amature of the corresponding device of stator of described generator, the notch face of the internal face of this magnetic part and described groove maintains an equal level, and comprises the internal face of this magnetic part, and the wall of distinguished and admirable cover inwall keeps streamline-shaped.
4. by claim 2 or 3 described high-efficiency small-sized wind-driven electric generators, it is characterized in that described magnetic part is a magnetic cirque body.
5. by claim 2 or 3 described high-efficiency small-sized wind-driven electric generators, it is characterized in that described magnetic part comprises a magnetic conduction cirque body, is equipped with magnetic tablet on the magnetic conduction cirque body.
6. by the described high-efficiency small-sized wind-driven electric generator of claim 3, it is characterized in that the magnetic part of the stator of described generator and described generator amature is positioned at the lowest calibre place of distinguished and admirable cover cover body inwall.
7. by the described high-efficiency small-sized wind-driven electric generator of claim 1, it is characterized in that an end of each air blade in the described fan blade device and the rotor of described generator are connected to horizontal rotating shaft, fan blade device is positioned at the lowest calibre place of distinguished and admirable cover cover body inwall, fan blade device is by the rotor rotation of horizontal rotating shaft drive wind-driven generator, and the rotor of generator and described fan blade device are installed as two bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101308787A CN101113720A (en) | 2007-08-29 | 2007-08-29 | High-efficiency small-sized wind-driven electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101308787A CN101113720A (en) | 2007-08-29 | 2007-08-29 | High-efficiency small-sized wind-driven electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101113720A true CN101113720A (en) | 2008-01-30 |
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ID=39022216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101308787A Withdrawn CN101113720A (en) | 2007-08-29 | 2007-08-29 | High-efficiency small-sized wind-driven electric generator |
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| Country | Link |
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| CN (1) | CN101113720A (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444548A (en) * | 2010-10-15 | 2012-05-09 | 韩拉妹 | Wind power generating equipment |
| CN102996363A (en) * | 2012-12-07 | 2013-03-27 | 常州大学 | Composite two-stage wind power generation device in pipeline |
| CN103195647A (en) * | 2013-04-11 | 2013-07-10 | 南京信息工程大学 | Wind driven generator |
| CN104454331A (en) * | 2014-12-04 | 2015-03-25 | 哈尔滨工业大学 | Low-speed wind double ejector mixer |
| CN105723909A (en) * | 2016-04-18 | 2016-07-06 | 四川双绿科技有限公司 | Integrated mobile pumping system capable of achieving wind-light storage complementary function |
| CN105756859A (en) * | 2016-04-18 | 2016-07-13 | 四川双绿科技有限公司 | Multi-energy-source lift irrigation system capable of improving lift irrigation efficiency |
| CN105766559A (en) * | 2016-04-18 | 2016-07-20 | 四川双绿科技有限公司 | Mobile multi-energy lift irrigation device |
| CN106401872A (en) * | 2016-10-28 | 2017-02-15 | 陈晓东 | Annular cover wind driven generator with annular motor |
| CN108005857A (en) * | 2017-08-07 | 2018-05-08 | 陆继荣 | The special culvert type of electric airplane, which is vortexed, balances wind-driven generator |
-
2007
- 2007-08-29 CN CNA2007101308787A patent/CN101113720A/en not_active Withdrawn
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102444548A (en) * | 2010-10-15 | 2012-05-09 | 韩拉妹 | Wind power generating equipment |
| CN102996363A (en) * | 2012-12-07 | 2013-03-27 | 常州大学 | Composite two-stage wind power generation device in pipeline |
| CN103195647A (en) * | 2013-04-11 | 2013-07-10 | 南京信息工程大学 | Wind driven generator |
| CN104454331A (en) * | 2014-12-04 | 2015-03-25 | 哈尔滨工业大学 | Low-speed wind double ejector mixer |
| CN105723909A (en) * | 2016-04-18 | 2016-07-06 | 四川双绿科技有限公司 | Integrated mobile pumping system capable of achieving wind-light storage complementary function |
| CN105756859A (en) * | 2016-04-18 | 2016-07-13 | 四川双绿科技有限公司 | Multi-energy-source lift irrigation system capable of improving lift irrigation efficiency |
| CN105766559A (en) * | 2016-04-18 | 2016-07-20 | 四川双绿科技有限公司 | Mobile multi-energy lift irrigation device |
| CN106401872A (en) * | 2016-10-28 | 2017-02-15 | 陈晓东 | Annular cover wind driven generator with annular motor |
| CN108005857A (en) * | 2017-08-07 | 2018-05-08 | 陆继荣 | The special culvert type of electric airplane, which is vortexed, balances wind-driven generator |
| CN108005857B (en) * | 2017-08-07 | 2024-05-14 | 陆继荣 | Duct type vortex balance wind driven generator special for electric aircraft |
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