CN100478563C - Vertical shaft C-shaped blade wind power generation device - Google Patents
Vertical shaft C-shaped blade wind power generation device Download PDFInfo
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- CN100478563C CN100478563C CNB2006100106694A CN200610010669A CN100478563C CN 100478563 C CN100478563 C CN 100478563C CN B2006100106694 A CNB2006100106694 A CN B2006100106694A CN 200610010669 A CN200610010669 A CN 200610010669A CN 100478563 C CN100478563 C CN 100478563C
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- blade
- wind wheel
- wind
- vertical shaft
- spoke
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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
A vertical shaft C-shaped blade wind power generation device comprises a wind wheel component supported and lifted by a tower frame, wherein the wind wheel component comprises a bearing fixed on the tower frame and a vertical rotating shaft supported by the bearing; wheel hub is connected to the pivot upper end, and the lower extreme links to each other with generator system's gear box, and its structural feature is: the hub is connected with spokes, and the end parts of the spokes are connected with C-shaped blades; according to the invention, the vertical shaft wind wheel is lifted by the tower frame, and the parabolic blades are arranged at the spoke ends, so that more wind energy can be obtained and more electric quantity can be generated; the C-shaped blade generates less bending shear stress than a straight blade under the action of centrifugal force of wind wheel operation, the characteristic that the tensile strength of a blade material is greater than the bending shear strength is adapted, and the C-shaped blade has consistent cross section shape and is simpler and easier to manufacture than the traditional propeller blade; the blades are supported by the spokes and the reinforced support arms at multiple points, so that the stress condition is improved, the segmented manufacturing and transportation are easy, the length of the blades can be shortened by lengthening the spokes, the operation of the wind wheel is stabilized, and the device is practical, reliable, economic and suitable for large-scale production.
Description
Technical field
The present invention relates to wind power generation device field, especially a kind of wind power generator with vertical shaft C-type blade.
Background technique
Wind-power electricity generation belongs to green regenerative energy sources, and it large-scale develops and utilizes the emphasis that becomes 21 century countries in the world new energy development.The wind generator of existing type, because the unfavorable factor that overall mechanical structure aspect exists, the further reduction of unit capacity cost and the further increase of single-machine capacity are restricted, for large-scale application and the development that promotes wind-power electricity generation, imperative to renovating of the existing overall mechanical structure of wind generator.Existing wind generating unit mainly contains following two kinds:
1, horizontal axis propeller type wind generating unit:
Form wind wheel and raise and support by 2～3 propeller blades by pylon around horizontal rotational shaft.This kind type is tradition relatively, be familiar with easily and accepted, but increase along with single-machine capacity, some subject matters of its existence also become more obvious, mainly contain: 1) blade only links to each other with wheel hub single-ended, easily producing the curved scissors stress of concentrating near connection part, for the bending resistance that strengthens blade is cut intensity and increased manufacture difficulty and cost, and when length of blade constantly increases with single-machine capacity, all be restricted aspect manufacturing and the transportation; 2) wind wheel only can could effectively produce power with the running of the vertical substantially direction of wind direction, thereby is provided with complicated wind swing cabin and the rotating disk mechanism of chasing after on big-and-middle-sized unit, and cost is increased; 3) heavy components such as generator and gear-box all places in the swing cabin and is difficult for winching to ground and overhauls; 4) the blade profile change in shape is complicated and manufacture difficulty and expense are increased.
2, vertical shaft Φ type wind-wheel wind power generation machine
The impeller that is overlapped to form sub-circular by 2～3 blades rotates around king, claims Φ type wind wheel on global shape like Greek alphabet " Φ ".It is later relatively that this kind type enters practicality, and its major advantage is: 1) blade is subjected to 2 supports and blade mainly to produce tensile stress under the effect of wind wheel rotary centrifugal force and reduces curved scissors stress; 2) generator set places ground and is convenient to install and maintenance.But its general structure still exists some shortcomings to hinder its application and development, mainly contains: 1) owing to wind wheel places its overall average wind energy accepted and generated energy are reduced.Actual conditions prove, the every reduction of wind wheel height 10m, and generated energy reduces about 10%; 2) increase with single-machine capacity, tens of rice to nearly hundred meters long vertical shafts are all bringing very big difficulty aspect manufacturing and the operation stability; 3) length of blade is longer than other type blades, and single-machine capacity brings the big difficulty of manufacturing and transportation aspect when big; 4) when same length of blade, Φ type wind wheel to plunder wind area above-mentioned other types related than this specification much smaller, corresponding wind wheel is exerted oneself also little a lot; 5) nearer wind wheel bottom, cabin, ground and the fixedly stay cord or the support of vertical shaft apart from ground all need take more relatively floor area and increase the installation overall cost.
In sum, all there is the problem and shortage of some technology and economic aspect in existing two kinds of main wind generating units.
Summary of the invention
Problem and shortage at above-mentioned prior art existence, the present invention proposes a kind of wind power generator with vertical shaft C-type blade, it has realized that the unit capacity cost reduces, single-machine capacity is easy to increase, and is convenient, the reliable new architecture of a kind of manufacturing, transportation and operation.
The wind generating unit that the present invention proposes comprises the wind wheel assembly that is supported and raise by pylon, and the wind wheel assembly comprises that the bearing that is fixed on the pylon reaches the vertical shaft by its supporting; The rotating shaft upper end connects wheel hub, and the lower end links to each other with the step-up gear of generator system assembly, and its structure characteristic is: be connected with spoke on the wheel hub, the end of spoke is connected with C type blade.
Described blade is made parabolic arc along its length, each wind wheel assembly has 2～4 in blade, be installed in respectively along the end of the spoke of circumference of hub equal distribution, blade can link to each other with spoke at the arc length middle part, and blade can be assembled into one in this connection part segmentation; For than linear leaf, between spoke and blade, set up the reinforcement support arm.
Described blade can be provided with spoiler at the middle part of arc length, and the control setting of spoiler becomes with wind wheel assembly rotary centrifugal force operating type or with controlled dynamo-electric operating type; Turn to when spoiler action when becoming 90 ° of angles approximately, the rotation of wind wheel assembly is produced resistance and makes its deceleration with leaf cross-section chord length line.
The wind power generator with vertical shaft C-type blade that the present invention proposes is compared with existing two kinds of typical wind generating units and is had the following advantages:
1, the present invention is with pylon rising wind wheel assembly, and the spoke end is installed parabola shaped blade, constitutes wind power generator with vertical shaft C-type blade.To hold back short blade to the parabola shaped blade part of the stressed favourable vertical shaft Φ type wind wheel wind generator of blade material into economy, support in the middle and turn round with spoke with pylon rising wind wheel assembly, both can obtain wind energy and multiple electricity more, can reduce taking again land area.
2, C type blade produces curved scissors stress than straight paddle sheet under the centrifugal action less when the wind wheel assembly turns round, adapt to blade material tensile strength and cut the characteristic of intensity greater than bending resistance, C type leaf cross-section shape is consistent and be simple and easy to system than conventional helical paddle sheet, can improve its mechanical characteristic at the multi-point support blade and can reduce the blade manufacture cost.The segmentation manufacturing easily of large-scale blade, transportation and assembled on site have solved the manufacturing of big capacity turbines vane and have transported limited problem because leaf cross-section is consistent, and single-machine capacity can further be increased.
3, for small-sized unit, gear-box/generator set can place ground, then places near also winching to the ground maintenance in the body of the tower under the wheel hub easily for big-and-middle-sized unit.
4, the wind-force of wind wheel acceptable level any direction and do not need the horizontal axis wind generating device chase after the wind swing mechanism and the swing cabin.
5,, need not to be provided with the required long vertical shaft of vertical shaft Φ type wind wheel and make manufacturing process and equip simple and easy for big-and-middle-sized unit.
6, the improvement owing to general structure makes unit be easy to manufacturing, solid reliable, cost reduction, and can be in the single-machine capacity lit range that has the existing wind power generating set of further increase on the blade material basis now.This device is practical, reliable, economical and be suitable for maximizing.
7, big-and-middle-sized unit is provided with the controlled spoiler of action, makes the high wind speed section that is suitable for generating electricity increase, make the interaction energy of resistance of air braking to bring into play better.
8, leaf quality concentrates on spoke end and wind wheel is obtained than large rotating inertia.When same wind wheel is plunderred the wind area, suitably the lower spoke of growth unit mass cost can make the higher blade of unit mass cost shorten and reduce assembly of devices originally, and increase the wind wheel rotary inertia and improve rotational stability, help reducing the bigger wind wheel aerodynamical moment fluctuation of existing type and the machinery and the electrical impact that reduce gear-box and electrical network are produced.
Description of drawings
Fig. 1 is a general structure plan view of the present invention.
Embodiment
Present embodiment is as follows to compound mode and function description in the device in conjunction with Fig. 1:
A, pylon assembly I are made up of tower foundation 1 and body of the tower 2.Basis 1 is used for fixing body of the tower 2, and body of the tower 2 is used for raising and supports wind wheel assembly II.
B, wind wheel assembly II are made up of vertical shaft 3, bearing 4, wheel hub 5, spoke 6, reinforcement support arm 7, blade 8 and spoiler 9.The wind wheel working principle is: the running torque that blade is produced by horizontal any direction wind-force effect passes to rotating shaft through spoke and wheel hub, and rotating shaft drives step-up gear and generator set rotary electrification.For large-scale unit, spoke is supported on the middle part of blade 8 arc length and can be provided with as required strengthens support arm 7, and blade is formed many fulcrums and improves the stress condition of blade.Blade 8 is made parabolic shape along its length, mainly under the effect of wind wheel assembly rotary centrifugal force produces tensile stress and reduces curved scissors stress.Blade quantity is generally 2～4, is installed on along the end of the spoke of circumference of hub equal distribution.The shape of cross section of blade is all identical along the blade total length, be easy to make and when blade is longer at the length direction middle part or suitable position segmentation manufacturing, transportation and be assembled into one at the scene.
The middle part of blade arc length is provided with spoiler 9.Spoiler action and forwarding to when becoming 90 ° of angles approximately with leaf cross-section chord length line, rotation produces resistance and makes its deceleration to wind wheel.Can be set to wind wheel rotary centrifugal force operating type and on big-and-middle-sized unit, be set to controlled dynamo-electric operating type if necessary in spoiler on the small-sized unit.
C, power generation system assembly 10 are made up of parts such as generator set, transmission shaft, step-up gears.For big-and-middle-sized unit, transmission shaft is unsuitable long, and then gear-box and generator are installed near in the body of the tower under the wheel hub.For small-sized unit, wheel hub is shorter relatively to ground range, transmission shaft can be extended, and gear-box and generator is installed on ground is connected with it.
Claims (3)
1, a kind of wind power generator with vertical shaft C-type blade comprises the wind wheel assembly II that is supported and raise by pylon (2), and wind wheel assembly II comprises that the bearing (4) that is fixed on the pylon reaches the vertical shaft (3) by its supporting; The rotating shaft upper end connects wheel hub (5), the lower end links to each other with the step-up gear of generator system assembly (10), it is characterized in that: be connected with spoke (6) on the wheel hub, the end of spoke is connected with C type blade (8), blade (8) is made parabolic arc along its length, each wind wheel assembly has 2～4 in blade, is installed in respectively along the end of the spoke of circumference of hub equal distribution.
2, wind power generator with vertical shaft C-type blade according to claim 1 is characterized in that blade (8) links to each other with spoke (6) at the arc length middle part, and the parabolic arc blade is assembled into one in this connection part segmentation; For than linear leaf, between spoke and blade, set up and strengthen support arm (7).
3, wind power generator with vertical shaft C-type blade according to claim 1 is characterized in that the middle part of blade arc length is provided with spoiler (9), and the control setting of spoiler becomes with wind wheel assembly rotary centrifugal force operating type or with controlled dynamo-electric operating type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100106694A CN100478563C (en) | 2006-02-07 | 2006-02-07 | Vertical shaft C-shaped blade wind power generation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100106694A CN100478563C (en) | 2006-02-07 | 2006-02-07 | Vertical shaft C-shaped blade wind power generation device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1807877A CN1807877A (en) | 2006-07-26 |
| CN100478563C true CN100478563C (en) | 2009-04-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100106694A Expired - Fee Related CN100478563C (en) | 2006-02-07 | 2006-02-07 | Vertical shaft C-shaped blade wind power generation device |
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| Country | Link |
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| CN (1) | CN100478563C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101230833B (en) * | 2007-12-13 | 2011-07-06 | 黄金伦 | Lower wind mill of generator |
| CN101235804B (en) * | 2008-01-14 | 2010-07-28 | 黄金伦 | Coaxial multi- rotor super big wind generation device |
| CN101660488B (en) * | 2008-08-27 | 2012-05-23 | 深圳市风发科技发展有限公司 | Vertical axis wind turbine |
| US20110221202A1 (en) * | 2008-12-19 | 2011-09-15 | Vertical Wind Ab | Wind turbine |
| CN101943126B (en) * | 2010-09-03 | 2012-12-05 | 张远林 | Vertical shaft wind power generator with high power |
| CN110345011A (en) * | 2019-06-24 | 2019-10-18 | 安徽鼎博新能源科技发展有限公司 | A kind of wind power generation plant |
| CN111692042A (en) * | 2020-05-16 | 2020-09-22 | 朱志刚 | Multi-mode wind power station |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004204801A (en) * | 2002-12-26 | 2004-07-22 | Fjc:Kk | Wind receiving blade for windmill |
| JP2004346799A (en) * | 2003-05-21 | 2004-12-09 | Fjc:Kk | Blade of wind mill and wind mill |
| WO2005010355A1 (en) * | 2003-07-24 | 2005-02-03 | Quiet Revolution Limited | Vertical-axis wind turbine |
| JP2005171852A (en) * | 2003-12-10 | 2005-06-30 | Fjc:Kk | Vertical axis windmill and its rotor and blade |
| CN1675466A (en) * | 2002-08-13 | 2005-09-28 | 詹姆斯·D·诺布尔 | Turbine apparatus and method |
-
2006
- 2006-02-07 CN CNB2006100106694A patent/CN100478563C/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1675466A (en) * | 2002-08-13 | 2005-09-28 | 詹姆斯·D·诺布尔 | Turbine apparatus and method |
| JP2004204801A (en) * | 2002-12-26 | 2004-07-22 | Fjc:Kk | Wind receiving blade for windmill |
| JP2004346799A (en) * | 2003-05-21 | 2004-12-09 | Fjc:Kk | Blade of wind mill and wind mill |
| WO2005010355A1 (en) * | 2003-07-24 | 2005-02-03 | Quiet Revolution Limited | Vertical-axis wind turbine |
| JP2005171852A (en) * | 2003-12-10 | 2005-06-30 | Fjc:Kk | Vertical axis windmill and its rotor and blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1807877A (en) | 2006-07-26 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20090109 Address after: Shandong province Qingdao City North Jehol Road No. 57 postal encoding: 266012 Applicant after: Qingdao Meili Eurasia High-Tech Co., Ltd. Address before: A3, 101, Eurasia high tech Development Co., Ltd., Yunnan province hi tech Development Zone, Kunming, 650106 Applicant before: Wang Kunsheng |
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Owner name: QINGDAO MEILIOUYA HIGH SCIENCE CO., LTD. Free format text: FORMER OWNER: WANG KUNSHENG Effective date: 20090109 |
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Owner name: WANG KUNSHENG Free format text: FORMER OWNER: QINGDAO MEILI OUYA HIGH TECHNOLGOY CO., LTD. Effective date: 20100524 |
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Free format text: CORRECT: ADDRESS; FROM: 266012 NO.57 REHE ROAD, NORTH ZONE OF QINGDAO CITY, SHANDONG PROVINCE TO: 650217 YUNNAN OUYA HIGH TECHNOLGOY DEVELOPMENT CO., LTD., NO.401, HAIGUANJIANGUAN BUILDING, KUNMING EXIT PROCESS ZONE, GUANDU DISTRICT, KUNMING CITY, YUNNAN PROVINCE |
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Effective date of registration: 20100524 Address after: 650217 Yunnan Eurasian high tech Development Co., Ltd. Kunming 401, Kunming export processing zone, Guandu District, Yunnan, China Patentee after: Wang Kunsheng Address before: 266012 Shandong province Qingdao District Rehe Road No. 57 Patentee before: Qingdao Meili Eurasia High-Tech Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090415 Termination date: 20120207 |