CN102080622B - Efficient wind power generation method and device - Google Patents

Efficient wind power generation method and device Download PDF

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Publication number
CN102080622B
CN102080622B CN201010168419XA CN201010168419A CN102080622B CN 102080622 B CN102080622 B CN 102080622B CN 201010168419X A CN201010168419X A CN 201010168419XA CN 201010168419 A CN201010168419 A CN 201010168419A CN 102080622 B CN102080622 B CN 102080622B
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energy conversion
conversion system
wind energy
blade
generator
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CN201010168419XA
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CN102080622A (en
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周堃
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/70Wind energy
    • Y02E10/72Wind turbines with rotation axis in wind direction
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention provides an efficient wind power generation method and device. In the method, a fluid-directing air flue is internally provided with a stator cascade fluid director, a multi-blade wind turbine and a generator; the flow direction of air current is changed under the action of the stator cascade fluid director so as to form the air current which revolves along the circumference of the fluid-directing air flue; the blades which are vertically blown to the multi-blade wind turbine maximally convert the kinetic energy of the air current into the mechanical energy of the multi-blade wind turbine so as to push the multi-blade wind turbine to rotate, thereby driving the generator to generate electricity; a multi-stage wind turbine unit consisting of a stator cascade fluid director, a multi-blade wind turbine and a generator can also be arranged in series; and a one-stage wind turbine is formed by one stator cascade fluid director and one multi-blade wind turbine, and the multi-stage wind turbine is axially arranged in the fluid-directing air flue so as to form the multi-stage wind turbine unit. Compared with the existing three-paddle long-blade wind driven generator, the device provided by the invention is high in rotation speed, and can generate electricity when breeze is blown; and the generated energy in a unit impeller area is large, the efficiency is high, and the cost is low. The device provided by the invention is an ideal wind power generation mode.

Description

Efficient wind power generation method and device
Technical field
The present invention relates to the employed device of a kind of efficient wind power generation method and the method, particularly with natural wind or gather the air stream of the enhancing wind that natural wind forms, in diversion air duct, by the static cascade guide vane it is flowed vertically and to change circumferential revolution into and flow, vertically blow to the blade of multiple-blade wind energy conversion system, in order to promote the rotation of multiple-blade wind energy conversion system, drive the generator generating, thereby greatly improve the utilization ratio of unit area wind energy.The method and device can be widely used in wind power generation field.
Background technique
At present, existing wind generating unit adopts the large blade natural wind of trilobal cross directly to blow pattern mostly in the world, and it has some shortcomings actual in should having, and is embodied in:
Blade quantity is few, and the unit area wind energy utilization is low.Generated energy is low, blade is huge, and rotating speed is low, adopts speeder in the generator set, and cost is higher, rotary inertia is large, difficulty in starting, can't start generating at less wind-force (less than gentle breeze time).
Wind-force direction and blade stress surface form certain angle, and the wind-force that promotes the blade rotation is the component that blows wind, and wind-force can not all be used for doing work, so efficient is low.
Summary of the invention
The object of the present invention is to provide that a kind of method of wind-power electricity generation and device are low with the efficient that solves prior art and exist, rotating speed slow, starting difficulty, problem that generated energy is low, by with natural wind or gather the air stream of the enhancing wind that natural wind forms, in diversion air duct, by the static cascade guide vane it is flowed vertically and to change circumferential revolution into and flow, vertically blow to the blade of multiple-blade wind energy conversion system, in order to promote the rotation of multiple-blade wind energy conversion system, the drive generator generates electricity, thereby greatly improves the utilization ratio of unit area wind energy.
For reaching above-mentioned purpose, the invention provides a kind of efficient wind power generation method, wherein, with natural wind or gather the air stream of the enhancing wind that natural wind forms, axial direction along diversion air duct imports in the diversion air duct, under the effect of static cascade fluid director, change and flow to, formation is along the air stream of the circumferential rotation motion of diversion air duct, make described air stream vertically blow to the blade of multiple-blade wind energy conversion system, in order to promote the rotation of multiple-blade wind energy conversion system, change the kinetic energy of air stream the mechanical energy of multiple-blade wind energy conversion system into, drive the generator generating.
Described efficient wind power generation method, wherein, described generator is fixed on the inside of diversion air duct, described multiple-blade wind energy conversion system is fixed on the rotor of described generator, described static cascade fluid director is fixed on the inwall of diversion air duct, and described static cascade fluid director is positioned at the front side of multiple-blade wind energy conversion system.
Described efficient wind power generation method, wherein, described generator has the generator amature of a plurality of series connection, be fixed with a multiple-blade wind energy conversion system on each generator amature, and the front side of each multiple-blade wind energy conversion system all is furnished with a static cascade fluid director, the diameter of rear class multiple-blade wind energy conversion system is greater than the diameter of prime multiple-blade wind energy conversion system, and the diameter of rear class static cascade fluid director is greater than the diameter of prime static cascade fluid director.
Described efficient wind power generation method, wherein, described generator has a generator amature, be fixed with a plurality of multiple-blade wind energy conversion systems on this generator amature, and the front side of each multiple-blade wind energy conversion system all is furnished with a static cascade fluid director, the diameter of rear class multiple-blade wind energy conversion system is greater than the diameter of prime multiple-blade wind energy conversion system, and the diameter of rear class static cascade fluid director is greater than the diameter of prime static cascade fluid director.
Described efficient wind power generation method, wherein, described diversion air duct has intake grill and exhaust outlet, and described intake grill is connected with the collection air channel, and described exhaust outlet is expansion shape mouth.
The present invention also provides a kind of device be used to implementing above-mentioned electricity-generating method, wherein, described device includes static cascade fluid director, multiple-blade wind energy conversion system and generator, described generator is fixed on the inside of diversion air duct, described multiple-blade wind energy conversion system is fixed on the rotor of described generator, described static cascade fluid director is fixed on the inwall of diversion air duct, and described static cascade fluid director is positioned at the front side of multiple-blade wind energy conversion system.
Described efficient wind-driven generator, wherein, described generator has the generator amature of a plurality of series connection, be fixed with a multiple-blade wind energy conversion system on each generator amature, and the front side of each multiple-blade wind energy conversion system all is furnished with a static cascade fluid director, the diameter of rear class multiple-blade wind energy conversion system is greater than the diameter of prime multiple-blade wind energy conversion system, and the diameter of rear class static cascade fluid director is greater than the diameter of prime static cascade fluid director.
Described efficient wind-driven generator, wherein, described generator has a generator amature, be fixed with a plurality of multiple-blade wind energy conversion systems on this generator amature, and the front side of each multiple-blade wind energy conversion system all is furnished with a static cascade fluid director, the diameter of rear class multiple-blade wind energy conversion system is greater than the diameter of prime multiple-blade wind energy conversion system, and the diameter of rear class static cascade fluid director is greater than the diameter of prime static cascade fluid director.
Described efficient wind-driven generator, wherein, described diversion air duct has intake grill, and described intake grill is connected with the collection air channel.
Described efficient wind-driven generator, wherein, described diversion air duct has exhaust outlet, and described exhaust outlet is expansion shape mouth.
Beneficial effect of the present invention is:
1, adopt the multiple-blade wind energy conversion system, the unit area wind energy utilization is high.
2, adopting the static cascade fluid director, is air stream along the circumferential rotation motion in air channel with the axial air flow water conservancy diversion, vertically blows to blade, changes to greatest extent the kinetic energy of air stream the mechanical energy of multiple-blade wind energy conversion system into, has greatly improved wind energy conversion system efficient.
3, in an air channel, can be with the single-stage wind-powered electricity generation unit tandem arrangement that is formed by static cascade fluid director, multiple-blade wind energy conversion system, generator, rear class wind-powered electricity generation unit diameter takes full advantage of the wind energy in the air channel greater than prime wind-powered electricity generation unit diameter.
Description of drawings
Below in conjunction with the drawings and Examples of apparatus of the present invention, the invention will be further described:
Fig. 1 is the single-stage wind-powered electricity generation unit schematic representation in the first embodiment of the invention;
Figure 1A is the A-A sectional view of Fig. 1;
Fig. 2 is the multistage wind-powered electricity generation unit schematic representation in the second embodiment of the invention;
Fig. 2 A is the A-A sectional view of Fig. 2;
Fig. 3 is the multistage wind energy conversion system wind-powered electricity generation unit schematic representation in the third embodiment of the invention;
Fig. 3 A is the A-A sectional view of Fig. 3.
Description of reference numerals: 1-single-stage wind-powered electricity generation unit; The multistage wind-powered electricity generation unit of 2-; The multistage wind energy conversion system wind-powered electricity generation of 3-unit; 11,21,31-diversion air duct; 111,211,311-intake grill; 112,212,312-exhaust outlet; 12,22,32-static cascade fluid director; 13,23,33-multiple-blade wind energy conversion system; 14,24,34-generator; 141,241,341-generator amature; 15,25,35-collection air channel; I-force one wind group of motors; II-light breeze group of motors; III-force 3 wind group of motors; I '-one-level wind energy conversion system; II '-secondary wind energy conversion system; III '-force 3 wind power machine;
Embodiment
Referring to Fig. 1 and Figure 1A, it is the single-stage wind-powered electricity generation unit schematic representation in the first embodiment of the invention.Wherein, single-stage wind-powered electricity generation unit 1 comprises static cascade fluid director 12, multiple-blade wind energy conversion system 13 and generator 14.Described single-stage wind-powered electricity generation unit 1 is arranged in diversion air duct 11, and namely described static cascade fluid director 12, multiple-blade wind energy conversion system 13 and generator 14 are installed in the diversion air duct 11.Described diversion air duct 11 is hollow, and it has intake grill 111 and exhaust outlet 112.Described intake grill 111 is connected with collection air channel 15, is used for guiding wind and enters into diversion air duct 11 from collection air channel 15 by intake grill 111.Wherein, described generator 14 is fixed on the inside of diversion air duct 11, and described multiple-blade wind energy conversion system 13 is fixed on the rotor 141 of described generator 14.Described static cascade fluid director 12 is fixed on the inwall of diversion air duct 11, and described static cascade fluid director 12 claims described static cascade fluid director 12 to be positioned at the front side of multiple-blade wind energy conversion system 13 than multiple-blade wind energy conversion system 13 more close intake grills 111.Described exhaust outlet 112 is expansion shape mouth.
For above-mentioned single-stage wind-powered electricity generation unit 1, natural wind or gather the air stream of the enhancing wind that natural wind forms, axially introduce in the diversion air duct 11 along intake grill 111, under the effect of static cascade fluid director 12, change and flow to, formation is along the air stream of diversion air duct 11 circumferential rotation motions, vertically blow to the blade of multiple-blade wind energy conversion system 13, in order to promote 13 rotations of multiple-blade wind energy conversion system, the kinetic energy of air stream is changed to greatest extent into the mechanical energy of multiple-blade wind energy conversion system 13.Greatly improve wind energy conversion system efficient, driven generator 14 generatings.And because the exhaust outlet 112 of diversion air duct 11 is expansion shape mouth, therefore can reduce the wind resistance that of multiple-blade wind energy conversion system 13.
Referring to Fig. 2 and Fig. 2 A, it is the multistage wind-powered electricity generation unit schematic representation in the second embodiment of the invention.Wherein, described multistage wind-powered electricity generation unit 2 is comprised of a plurality of single-stage wind-powered electricity generation units 1 guide channel 21 interior series connection, and rear class wind-powered electricity generation unit diameter is greater than prime wind-powered electricity generation unit diameter.
Particularly, described multistage wind-powered electricity generation unit 2 comprises static cascade fluid director 22, multiple-blade wind energy conversion system 23 and generator 24 equally.Described multistage wind-powered electricity generation unit 2 is arranged in diversion air duct 21, and namely described static cascade fluid director 22, multiple-blade wind energy conversion system 23 and generator 24 are installed in the diversion air duct 21.Described diversion air duct 21 is hollow, and it has intake grill 211 and exhaust outlet 212.Described intake grill 211 is connected with collection air channel 25, is used for guiding wind and enters into diversion air duct 21 from collection air channel 25 by intake grill 211.Described generator 24 is fixed on the inside of diversion air duct 21 and has the generator amature 241 of a plurality of series connection, be fixed with a multiple-blade wind energy conversion system 23 on each generator amature 241, and the front side of each multiple-blade wind energy conversion system 23 all is furnished with a static cascade fluid director 22 on the inwall that is fixed on diversion air duct 21, the diameter of rear class multiple-blade wind energy conversion system 23 is greater than the diameter of prime multiple-blade wind energy conversion system 23, and the diameter of rear class static cascade fluid director 22 is greater than the diameter of prime static cascade fluid director 22.Described exhaust outlet 212 is expansion shape mouth.
Above-mentioned multistage wind-powered electricity generation unit 2 is in application, rear class wind-powered electricity generation unit (such as light breeze group of motors II) is with the air-out of previous stage wind-powered electricity generation unit (the force one wind group of motors I) wind regime as (light breeze group of motors II) at the corresponding levels, behind static cascade fluid director 22 water conservancy diversion of the air-out of previous stage wind-powered electricity generation unit (force one wind group of motors I) through (force one wind group of motors I) at the corresponding levels, the blade that vertically blows to the multiple-blade wind energy conversion system 23 of the corresponding levels (force one wind group of motors I) continues the acting generating, and multistage wind-powered electricity generation unit 2 more can take full advantage of wind energy in the air channel than single-stage wind-powered electricity generation unit 1.
Referring to Fig. 3 and Fig. 3 A, it is the multistage wind energy conversion system wind-powered electricity generation unit schematic representation in the third embodiment of the invention.Wherein, form one-level wind energy conversion system I ' by a static cascade fluid director 32 and a multiple-blade wind energy conversion system 33, in diversion air duct 31 interior axially-aligned multistage wind energy conversion system (I, II, III) is installed, every grade of static cascade fluid director 32 is fixed together with diversion air duct 31, a rotor 341 of every grade of multiple-blade wind energy conversion system 33 and generator 34 is fixed together, and forms multistage wind energy conversion system wind-powered electricity generation unit 3 with this.
Particularly, described multistage wind energy conversion system wind-powered electricity generation unit 3 comprises static cascade fluid director 32, multiple-blade wind energy conversion system 33 and generator 34.Described multistage wind energy conversion system wind-powered electricity generation unit 3 is arranged in diversion air duct 31, and namely described static cascade fluid director 32, multiple-blade wind energy conversion system 33 and generator 34 are installed in the diversion air duct 31.Described diversion air duct 31 is hollow, and it has intake grill 311 and exhaust outlet 312.Described intake grill 311 is connected with collection air channel 35, is used for guiding wind and enters into diversion air duct 31 from collection air channel 35 by intake grill 311.Described generator 34 is fixed on the inside of diversion air duct 31 and has a generator amature 341, be fixed with a plurality of multiple-blade wind energy conversion systems 33 on this generator amature 341, the front side of each multiple-blade wind energy conversion system 33 all is furnished with a static cascade fluid director 32 on the inwall that is fixed on diversion air duct 31, the diameter of rear class multiple-blade wind energy conversion system 33 is greater than the diameter of prime multiple-blade wind energy conversion system 33, and the diameter of rear class static cascade fluid director 32 is greater than the diameter of prime static cascade fluid director 32.Described exhaust outlet 312 is expansion shape mouth.
Above-mentioned multistage wind energy conversion system wind-powered electricity generation unit 3 is in application, rear class wind energy conversion system wind-powered electricity generation unit (such as secondary wind energy conversion system wind-powered electricity generation unit) is with the air-out of previous stage wind energy conversion system Wind turbine (the one-level wind energy conversion system wind-powered electricity generation unit) wind regime as (secondary wind energy conversion system wind-powered electricity generation unit) at the corresponding levels, behind static cascade fluid director 32 water conservancy diversion of the air-out of previous stage wind energy conversion system wind-powered electricity generation unit (one-level wind energy conversion system wind-powered electricity generation unit) through (one-level wind energy conversion system wind-powered electricity generation unit) at the corresponding levels, the blade that vertically blows to the multiple-blade wind energy conversion system 33 of the corresponding levels (one-level wind energy conversion system wind-powered electricity generation unit I) continues the acting generating.Multistage wind energy conversion system wind-powered electricity generation unit 3 equally more can take full advantage of wind energy in the air channel than single-stage wind-powered electricity generation unit 1.
In sum, it is high that the present invention starches the wind generating unit rotating speed that comes into leaves than existing three, also can generate electricity during gentle breeze; Unit impeller area generated energy is large, efficient is high, cost is low, is the ideal style of wind-power electricity generation of new generation.
Only the above, only be preferred embodiment of the present invention, when can not limiting scope of the invention process with this, so the such as displacement of the change of numerical value or equivalent elements, or according to equalization variation and modification that the present patent application claim is done, all should still belong to the category that patent of the present invention contains.

Claims (4)

1. efficient wind power generation method, it is characterized in that, with natural wind or gather the air stream of the enhancing wind that natural wind forms, axial direction along diversion air duct imports in the diversion air duct, changes to flow under the effect of static cascade fluid director, forms the air stream along the circumferential rotation motion of diversion air duct, make described air stream vertically blow to the blade of multiple-blade wind energy conversion system, in order to promoting multiple-blade wind energy conversion system rotation, change the kinetic energy of air stream the mechanical energy of multiple-blade wind energy conversion system into, drive the generator generating;
Described generator is fixed on the inside of diversion air duct, and described multiple-blade wind energy conversion system is fixed on the rotor of described generator, and described static cascade fluid director is fixed on the inwall of diversion air duct, and described static cascade fluid director is positioned at the front side of multiple-blade wind energy conversion system;
Described generator has a generator amature, be fixed with a plurality of multiple-blade wind energy conversion systems on this generator amature, and the front side of each multiple-blade wind energy conversion system all is furnished with a static cascade fluid director, the diameter of rear class multiple-blade wind energy conversion system is greater than the diameter of prime multiple-blade wind energy conversion system, and the diameter of rear class static cascade fluid director is greater than the diameter of prime static cascade fluid director.
2. efficient wind power generation method according to claim 1 is characterized in that, described diversion air duct has intake grill and exhaust outlet, and described intake grill is connected with the collection air channel, and described exhaust outlet is expansion shape mouth.
3. device of be used for implementing the described efficient wind power generation method of claim 1, it is characterized in that, described device includes static cascade fluid director, multiple-blade wind energy conversion system and generator, described generator is fixed on the inside of diversion air duct, described multiple-blade wind energy conversion system is fixed on the rotor of described generator, described static cascade fluid director is fixed on the inwall of diversion air duct, described static cascade fluid director is positioned at the front side of multiple-blade wind energy conversion system, described diversion air duct has intake grill, and described intake grill is connected with the collection air channel;
Described generator has a generator amature, be fixed with a plurality of multiple-blade wind energy conversion systems on this generator amature, and the front side of each multiple-blade wind energy conversion system all is furnished with a static cascade fluid director, the diameter of rear class multiple-blade wind energy conversion system is greater than the diameter of prime multiple-blade wind energy conversion system, and the diameter of rear class static cascade fluid director is greater than the diameter of prime static cascade fluid director.
4. efficient wind-driven generator according to claim 3, described diversion air duct has exhaust outlet, and described exhaust outlet is expansion shape mouth.
CN201010168419XA 2010-05-11 2010-05-11 Efficient wind power generation method and device Expired - Fee Related CN102080622B (en)

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CN102425531A (en) * 2011-11-13 2012-04-25 王政玉 Multi-energy jointly powdered engine
CN103233863B (en) * 2013-05-22 2015-10-21 江苏中蕴风电科技有限公司 Two duct axial flow wind power generation system
RS62585B1 (en) * 2015-03-05 2021-12-31 Gaia S R L Wind power system
CN106499589A (en) * 2016-12-26 2017-03-15 苏州工业职业技术学院 A kind of wind power generation plant
CN108915954B (en) * 2018-07-11 2019-12-03 徐州科星科技发展有限公司 A kind of plural serial stage wind power generation plant
CN111980859A (en) * 2020-08-21 2020-11-24 王敬儒 Electric power device
CN113446148A (en) * 2021-08-18 2021-09-28 彭金柱 Integrated wind driven generator system

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RU2131995C1 (en) * 1994-12-06 1999-06-20 Увакин Валентин Федорович Windmill electric generating plant
CN1580546A (en) * 2004-03-03 2005-02-16 李发祥 Jet-air power fan
CN201723370U (en) * 2010-05-11 2011-01-26 周堃 Efficient wind-driven generator

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CN1580546A (en) * 2004-03-03 2005-02-16 李发祥 Jet-air power fan
CN201723370U (en) * 2010-05-11 2011-01-26 周堃 Efficient wind-driven generator

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