CN104295442A - Dual-wind-wheel horizontal-axis wind turbine - Google Patents
Dual-wind-wheel horizontal-axis wind turbine Download PDFInfo
- Publication number
- CN104295442A CN104295442A CN201410543521.1A CN201410543521A CN104295442A CN 104295442 A CN104295442 A CN 104295442A CN 201410543521 A CN201410543521 A CN 201410543521A CN 104295442 A CN104295442 A CN 104295442A
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- Prior art keywords
- wind
- wind wheel
- wheel
- blade
- horizontal axis
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- 230000005540 biological transmission Effects 0.000 claims description 7
- 230000000295 complement effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 229910001220 stainless steel Inorganic materials 0.000 claims description 4
- 239000010935 stainless steel Substances 0.000 claims description 4
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 4
- 238000010248 power generation Methods 0.000 abstract description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 101100545272 Caenorhabditis elegans zif-1 gene Proteins 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D1/00—Wind motors with rotation axis substantially parallel to the air flow entering the rotor
- F03D1/02—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors
- F03D1/025—Wind motors with rotation axis substantially parallel to the air flow entering the rotor having a plurality of rotors coaxially arranged
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D3/00—Wind motors with rotation axis substantially perpendicular to the air flow entering the rotor
- F03D3/06—Rotors
- F03D3/062—Rotors characterised by their construction elements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D9/00—Adaptations of wind motors for special use; Combinations of wind motors with apparatus driven thereby; Wind motors specially adapted for installation in particular locations
- F03D9/20—Wind motors characterised by the driven apparatus
- F03D9/25—Wind motors characterised by the driven apparatus the apparatus being an electrical 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
- 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
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Wind Motors (AREA)
Abstract
The invention belongs to the technical field of wind power generation and particularly discloses a dual-wind-wheel horizontal-axis wind turbine. The dual-wind-wheel horizontal-axis wind turbine is characterized in that two wind wheels are staggered at both sides of a rotating shaft and the plane of rotation is parallel to the wind direction. Blades are formed by being improved from traditional flap type blades, the front edge has a high lift characteristic in movement against the wind, and a cavity of the tail edge has a resistance-type blade characteristic in movement with the wind. The direction of the whole wind wheel rotors is regulated by tail vanes to achieve an automatic wind regulation effect. The dual-wind-wheel horizontal-axis wind turbine is simple in structure, low in downwind wind force withstanding and high in wind energy utilization.
Description
?
technical field:
The present invention relates to wind power generation field, disclose a kind of two wind wheel horizontal axis wind-driven generator, be specially and two wind wheel of horizontal axis wind turbine are adjusted to and wind direction parallel position, introduce the novel wind generator of lift-drag complementary blade.
background technique:
The spatter property of wind energy, recyclability and large-scale application technology thereof increasingly mature, makes wind-power electricity generation day by day become in new energy field except nuclear power, technology is the most ripe, most exploit condition and the most promising clean electric power generation mode.At present, various countries one after another apparent wind can be developed as one of most important constituent element in new energy strategy.
Modern wind machine is divided into vertical axis windmill and the large class of horizontal-shaft wind turbine two by the topological geometrical relationship on wind wheel rotating shaft and ground.In vertical axis aerogenerator, due to drive manner and structural type diversity, be divided into again resistance type and lift-type two kinds.Based on resistance type and lift-type wind energy conversion system feature, many scholars propose two kinds of wheel combination to become lift-drag complementary wind wheel, under static state utilize the good startability of shaft resistance type windmill, but under high tip speed ratio, do not lose the excellent wind energy utilization of lift-type wind energy conversion system.
summary of the invention:
In order to overcome above-mentioned defect, the object of this invention is to provide a kind of two wind wheel horizontal axis wind-driven generator, make wind wheel make full use of wind speed profile in the plane parallel with wind direction, what play aerofoil profile rises resistance complementary power, promotes wind energy utilization.
The present invention adopts following technological scheme for achieving the above object:
A kind of two wind wheel horizontal axis wind-driven generator, comprise two lift-drag complementary wind wheels, with two wind wheel rotating shafts connected horizontally, rotating shaft is connected with rotating wheel hub, it is characterized in that, wind wheel plane of rotation is parallel with wind direction.
Further, under wheel hub, wind direction rigidly fixes tuning tail tag, and in tail tag, connecting rod length L is greater than wind wheel turning radius r, namely; Tail tag is made up of carbon fiber composite.The vertical adjustable rotating wind wheel windward side of tail tag (6), makes wind wheel plane of rotation parallel with incoming flow wind direction all the time.
Described wheel hub is arranged on tower cylinder top, and install transmission device in tower cylinder, wind wheel torque reaches in the generator in base by transmission device.
Wind wheel blade, cuts second aerofoil of aerofoil profile for prototype with aviation aerofoil profile RAF89, forms the thin-wall case structure do not closed; Blade chord length reduces from root gradually to blade tip.Referring to the portion of material of blade airfoil thicker part to excavate to second aerofoil cutting of aerofoil profile makes blade integral be shown as bending structure, namely forms groove.Blade maintains good aerofoil profile aerodynamic characteristics while having resistance type Blade Properties.
Further, every wind wheel is made up of 3 blades; Outward-dipping 10 ~ 15 ° of blade (referring to the angle that blade and wind wheel plane of rotation are formed), the 60 ° of degree (referring to the angle of the blade mutual dislocation of two wind wheels) that misplace are distributed in rotating shaft both sides, are rigidly connected with rotating shaft.
Rotating shaft is through can in the wheel hub of flexible rotating, and built-in hub tuning gear, by rotating shaft vertical in rotating shaft transmission of torque to tower cylinder; Wheel hub is rotated by bearing at tower cylinder top.Wind wheel blade is made up of hard stainless steel, and fan blade shell wall is thick is 3-4mm, and blade tip is not closed.Generator is imbedded in base, accepts vertical rotating shaft transmitting torque in tower cylinder.Wheel hub is made up of stainless steel, and the closely sealed gear train of energy, plays the dust-proof effect of being stopped by rain.
Connecting that two wind wheel horizontal rotating shafts are nested into can the wheel hub of flexible rotating.Wind wheel torque is passed to the vertical rotating shaft in tower cylinder by rotating shaft by gear train, then is passed in the generator that is imbedded in base.
The invention has the beneficial effects as follows:
When Leaf of the present invention runs with the wind, vane groove, under Wind power propelling, drives wind wheel to rotate.With it simultaneously, when blade runs against the wind, the aerofoil profile feature of blade produces enough lift and continues to increase rotor torque, greatly promotes wind wheel wind energy utilization.The hub design of rotating shaft effectively can reduce wind wheel abrasion, promotes the working life of complete machine.
accompanying drawing illustrates:
Fig. 1 is a kind of two wind wheel horizontal axis wind-driven generator side view;
Fig. 2 is a kind of two wind wheel horizontal axis wind-driven generator front elevation;
Wind direction schematic diagram when Fig. 3 is a kind of two wind wheel horizontal axis wind-driven generator work;
Fig. 4 is the blade design sketch of a kind of pair of wind wheel horizontal axis wind-driven generator;
Fig. 5 is the lift coefficient comparison diagram that a kind of pair of wind wheel horizontal axis wind-driven generator selects aerofoil profile and original aerofoil profile;
Fig. 6 is the horizontal rotating shaft of a kind of two wind wheel horizontal axis wind-driven generators and vertical rotating shaft transmission schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described.
Select traditional aviation aerofoil profile RAF 89, at maximum ga(u)ge place, to the cutting of second aerofoil of aerofoil profile, form the shell construction do not closed, see Fig. 5 with its lift coefficient under incoming flow wind speed at the identical angle of attack compared with RAF 89 aerofoil profile.To revise rear aerofoil profile for prototype pneumatic equipment blades made 1, blade profile chord length is successively decreased by root, and root of blade profile thickness amplifies simultaneously, sees Fig. 4.Blade 1 is made up of high intensity carbon fiber material.
Be one group with three blades 1, blade and plane of rotation formed 10 ° ~ 15 ° angles, to reduce blade tip wake effect, see shown in Fig. 1, Fig. 2.Two wind wheels interlock 60 ° and are arranged in horizontal rotating shaft 2 two ends and fix.
Horizontal rotating shaft 2 is nested in wheel hub 5.Horizontal rotating shaft 2 torque is passed to by steering gear group in the vertical rotating shaft in sleeve 3, and as shown in Figure 6, wheel hub 5 is made up of stainless steel material, can play the dust-proof effect of being stopped by rain.
Wheel hub 5 can drive horizontal rotating shaft 2 flexible rotating at tower cylinder 3 top.Its rotation angle is adjusted according to wind direction automatically by tail tag 6, sees Fig. 3.
Generator is embedded in base 4, and generator amature is connected with rotating shaft in tower cylinder 3, effectively wind wheel torque can be converted into electric energy.
More than show and describe basic principle of the present invention, major character and advantage.The technician of the industry should understand, and above-described embodiment does not limit the present invention in any form, the technological scheme that the mode that all employings are equal to replacement or equivalent transformation obtains, and all drops in protection scope of the present invention.
Claims (9)
1. a two wind wheel horizontal axis wind-driven generator, comprise two lift-drag complementary wind wheels, with two wind wheel rotating shafts connected horizontally (2), rotating shaft is connected with rotating wheel hub (5), it is characterized in that, wind wheel plane of rotation is parallel with wind direction.
2. the two wind wheel horizontal axis wind-driven generator of the one according to claims 1, it is characterized in that: under wheel hub (5), wind direction rigidly fixes tuning tail tag (6), in tail tag (6), connecting rod length L is greater than wind wheel turning radius r, namely; Tail tag is made up of carbon fiber composite.
3. the two wind wheel horizontal axis wind-driven generator of one according to claim 1, it is characterized in that, described wheel hub is arranged on tower cylinder (3) top, and install transmission device in tower cylinder (3), wind wheel torque reaches in the generator in base (4) by transmission device.
4. the two wind wheel horizontal axis wind-driven generator of the one according to claims 1 or 2 or 3, it is characterized in that: wind wheel blade (1) with aviation aerofoil profile RAF89 for prototype, second aerofoil of aerofoil profile is cut, forms the thin-wall case structure do not closed; Blade (1) chord length reduces from root gradually to blade tip.
5. the two wind wheel horizontal axis wind-driven generator of one according to claim 3, is characterized in that, refers to the portion of material of blade airfoil to excavate to make blade integral be shown as bending structure to second aerofoil cutting of aerofoil profile.
6. the two wind wheel horizontal axis wind-driven generator of the one according to claims 1, is characterized in that: every wind wheel has 3 blade (1) compositions; The angle that blade (1) and wind wheel plane of rotation are formed is 10 ~ 15 °, and two wind wheels, the 60 ° of degree that misplace are distributed in rotating shaft (2) both sides, are rigidly connected with rotating shaft (2).
7. the two wind wheel horizontal axis wind-driven generator of the one according to claims 1, it is characterized in that: rotating shaft (2) is through in wheel hub (5), the built-in tuning gear of wheel hub (5), by rotating shaft vertical in rotating shaft transmission of torque to tower cylinder (3); Wheel hub (5) is rotated by bearing at tower cylinder (3) top.
8. the two wind wheel horizontal axis wind-driven generator of the one according to claims 1-7 any one, it is characterized in that: wind wheel blade (1) is made up of hard stainless steel, shell wall is thick is 3-4mm, and blade tip is not closed.
9. the two wind wheel horizontal axis wind-driven generator of the one according to claims 1, is characterized in that: generator is imbedded in base (4), accepts vertical rotating shaft transmitting torque in tower cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543521.1A CN104295442A (en) | 2014-10-14 | 2014-10-14 | Dual-wind-wheel horizontal-axis wind turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410543521.1A CN104295442A (en) | 2014-10-14 | 2014-10-14 | Dual-wind-wheel horizontal-axis wind turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104295442A true CN104295442A (en) | 2015-01-21 |
Family
ID=52315330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410543521.1A Pending CN104295442A (en) | 2014-10-14 | 2014-10-14 | Dual-wind-wheel horizontal-axis wind turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104295442A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018149369A1 (en) * | 2017-02-15 | 2018-08-23 | 黄垿淘 | Wind generating set |
| CN112283016A (en) * | 2020-09-16 | 2021-01-29 | 江西大唐国际新能源有限公司 | Wind power generation device |
| CN113482858A (en) * | 2021-08-17 | 2021-10-08 | 白建东 | Horizontal-shaft double-roller self-speed-regulation self-wind-seeking wind power generation device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101793234A (en) * | 2010-04-01 | 2010-08-04 | 赵欣 | Vertical axis three-vane wind generator |
| CN201582047U (en) * | 2009-12-02 | 2010-09-15 | 昆明理工峰潮科技有限公司 | Wind generator blade with multiple C-shaped structure |
| KR20120057788A (en) * | 2010-11-29 | 2012-06-07 | 우정택 | Rotation apparatus having inclined plural rotation axes |
| WO2012172443A1 (en) * | 2011-06-15 | 2012-12-20 | Bosello Marco | Wind plant with horizontal or vertical main axis |
| CN103306905A (en) * | 2012-03-06 | 2013-09-18 | 阿基托施·穆拉塔 | Wind turbine system constructive arrangement |
-
2014
- 2014-10-14 CN CN201410543521.1A patent/CN104295442A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201582047U (en) * | 2009-12-02 | 2010-09-15 | 昆明理工峰潮科技有限公司 | Wind generator blade with multiple C-shaped structure |
| CN101793234A (en) * | 2010-04-01 | 2010-08-04 | 赵欣 | Vertical axis three-vane wind generator |
| KR20120057788A (en) * | 2010-11-29 | 2012-06-07 | 우정택 | Rotation apparatus having inclined plural rotation axes |
| WO2012172443A1 (en) * | 2011-06-15 | 2012-12-20 | Bosello Marco | Wind plant with horizontal or vertical main axis |
| CN103306905A (en) * | 2012-03-06 | 2013-09-18 | 阿基托施·穆拉塔 | Wind turbine system constructive arrangement |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018149369A1 (en) * | 2017-02-15 | 2018-08-23 | 黄垿淘 | Wind generating set |
| CN112283016A (en) * | 2020-09-16 | 2021-01-29 | 江西大唐国际新能源有限公司 | Wind power generation device |
| CN112283016B (en) * | 2020-09-16 | 2022-06-24 | 江西大唐国际新能源有限公司 | Wind power generation device |
| CN113482858A (en) * | 2021-08-17 | 2021-10-08 | 白建东 | Horizontal-shaft double-roller self-speed-regulation self-wind-seeking wind power generation device and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150121 |