CN101699061B - Centrifugal variation paddle structure for wind driven generator - Google Patents
Centrifugal variation paddle structure for wind driven generator Download PDFInfo
- Publication number
- CN101699061B CN101699061B CN200910221199XA CN200910221199A CN101699061B CN 101699061 B CN101699061 B CN 101699061B CN 200910221199X A CN200910221199X A CN 200910221199XA CN 200910221199 A CN200910221199 A CN 200910221199A CN 101699061 B CN101699061 B CN 101699061B
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- Prior art keywords
- paddle shaft
- paddle
- shaft
- blade
- spiral chute
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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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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The invention relates to the technical field of wind driven generators, in particular to a centrifugal variation paddle structure for a wind driven generator, which comprises a wheel hub arranged on a main shaft of a generator and paddles arranged on the periphery of the wheel hub, wherein the wheel hub is provided with a sleeve seat; a paddle shaft is sleeved corresponding to the sleeve seat; a spiral bearing is arranged between the paddle shaft and the sleeve seat; the peripheral surface of the paddle shaft is provided with a spiral groove; the spiral groove is matched with a steel ball on the spiral bearing to slide relatively; and the paddle shaft is also provided with a pretension mechanism which can prevent the paddle shaft from rotating outwards, and pull back and rotate the paddle shaft inwards. The centrifugal variation paddle structure for the wind driven generator has a simple structure, easy to process and manufacture, low cost without additional energy source and manual control when operating, flexible and reliable paddles and good synchronicity.
Description
Technical field
The present invention relates to technical field of wind power generator, refer in particular to the variation paddle structure of wind-driven generator.
Background technique
Wind energy more and more receives the attention of countries in the world as a kind of renewable energy sources of cleaning.Along with development of global economy, wind energy market also develops rapidly.Wind-driven generator is to utilize wind energy to drive blade to drive generator shaft, in stator and rotor generation relative displacement, and cutting magnetic line, so that in coil, produce electric current.The baptism that wind-driven generator faces is exactly to face unsettled wind speed, and is well-known, and natural wind is fast changing, and the wind speed span is very big, also is still can normal power generation in big as far as possible wind speed range to the requirement of wind-driven generator.In order to tackle the influence of strong wind; Existing wind-driven generator adopts following three kinds of methods usually: 1, braking, and in the wind speed superelevation, adopt the mode of braking motor main shaft to reduce rotating speed, though this mode is simple, feasible; But it is bigger to the generator infringement; Generator will bear very big blast, the blade that fractures easily, and serious also can blow down generator.2, lateral deviation makes the windward side amesiality in the wind speed superelevation, reduces the positive blast that bears, and this mode can only be applicable to than small generator,, can't adapt to frequent wind direction and change because volume is big, inertia is big for high-rating generator.3, become oar, in the wind speed superelevation, through blade pitch device the angle that facings the wind of blade is changed, thereby change the blast that each blade bears, this mode is widely applicable, receives at present generally adopting, on large-scale wind driven generator.But present actual performance, there is complex structure in the variation paddle structure of existing wind-driven generator, and cost is high, and rate of fault is high, the defective of adjustment maintenance difficult.
The applicant utilizes its professional eye and professional knowledge because the disappearance and the inconvenience of the variation paddle structure of above-mentioned convention wind-driven generator are being adhered to the spirit that research is innovated, kept on improving, and works out a kind of variation paddle structure of novel wind generator.
Summary of the invention
The object of the present invention is to provide a kind of simple in structurely, rate of fault is low, the variation paddle structure of practical wind-driven generator.
For achieving the above object, the present invention adopts following technological scheme:
Centrifugal variation paddle structure for wind driven generator; Comprise the wheel wheel that is installed on the generator shaft and be installed in the blade of taking turns the wheel periphery, it is characterized in that: be provided with casing seat in the wheel wheel, the sheathed installation of the corresponding casing seat of paddle shaft; And be provided with screw bearing between paddle shaft and the casing seat; The side face of paddle shaft is provided with spiral chute, and spiral chute cooperates the steel ball slide relative on the screw bearing, and steel ball is spaced apart on helix; Port forms 5 ° angle before the relative spiral chute in the blade face of blade; And the spiral angle of spiral chute on the side face of paddle shaft and screw bearing is less than 25 °, and the spiral chute on the side face of paddle shaft extends to front end by the paddle shaft rear end, and front end is open; On paddle shaft, also be provided with and limit the paddle shaft outward turning and the pre-tightening mechanism of the paddle shaft inward turning of pulling back; Pre-tightening mechanism comprises that the pressure spring, the plane bearing and that are socketed on the paddle shaft is fixed on the positioning block on the paddle shaft; The three is by paddle shaft rear end socket paddle shaft successively, the pressure spring front end then with screw bearing end and casing seat in step support.
With the existing technology contrast, the present invention mainly is with the design of centrifugal variation paddle theory, to obtain to become automatically oar, has following beneficial effect:
1, simple in structure, processing and fabricating is easy, cost is low.
Need not the control of additional energy source and manpower when 2, moving, the blade adjustment is flexible, reliable, and synchronism is good.
Description of drawings:
Accompanying drawing 1 is form structure schematic representation of the present invention;
Accompanying drawing 2 is the structural representation of the present invention's wheel wheel;
Accompanying drawing 3,4 is the structural representation of the present invention's blade;
Accompanying drawing 5 is that the A of Fig. 4 is to schematic representation;
Accompanying drawing 6 is the bearing housing structural representation of screw bearing;
Accompanying drawing 7 is the mounting structure schematic representation of the present invention's pre-tightening mechanism, screw bearing and blade.
Embodiment:
Understand for the juror can be had the present invention's purpose, characteristic and function further, lift preferred embodiment now and cooperate graphic detailed description following:
Seeing also shown in Fig. 1 ~ 7, is the structural representation for the present invention's preferred embodiment, and the present invention is relevant a kind of centrifugal variation paddle structure for wind driven generator; Comprise the wheel wheel 20 that is installed on the generator shaft 10 and be installed in the blade 30 of taking turns the wheel periphery; Three blades 30 evenly distribute around the central axis of wheel wheel 20, and wheel wheel 20 is provided with casing seat 40, and casing seat 40 can or be connected with wheel wheel 20 integral productions; Casing seat 40 is the cylindrical tube of hollow, and front and back connect.Paddle shaft 31 corresponding casing seat 40 sheathed installations; And be provided with screw bearing 50 between paddle shaft 31 and the casing seat 40; The side face of paddle shaft 31 is provided with spiral chute 311; The steel ball slide relative that spiral chute 311 cooperates on the screw bearing also is provided with on paddle shaft and can limits the paddle shaft outward turning and the pre-tightening mechanism of the paddle shaft inward turning of pulling back.
Shown in Figure 7; Pre-tightening mechanism comprises that the pressure spring 61, the plane bearing 62 and that are socketed on the paddle shaft is fixed on the positioning block 63 on the paddle shaft; The three is by paddle shaft rear end socket paddle shaft 31 successively, pressure spring 61 front ends then with screw bearing 50 ends and casing seat in step 41 support, during installation; Positioning block 63 and plane bearing 62 cooperate roof pressure spring 61 rear ends of contracting; Pressure spring 61 has suitable pretightening force, i.e. pressure spring 61 suitable pressurizeds, and this pretightening force satisfies the requirement of blade 30 initializations.
In the present embodiment, on the internal surface of casing seat, also suitably be provided with spiral chute 42, install with the steel ball that cooperates evagination on the screw bearing.Shown in Figure 6 is the structure of the bearing housing 51 of screw bearing, on corresponding helix, offers steel ball hole 52 at interval, embeds for steel ball and installs, and constitutes screw bearing.The spiral chute on the side face of paddle shaft and the spiral angle of screw bearing be less than 25 °, as get 5 °, 10 ° or 15 ° etc., satisfies the blade adjustment requirement at angle of facining the wind voluntarily automatically, and guarantee that adjustment is smooth and easy.Fig. 3,4, shown in 5, in the present embodiment, the spiral chute 311 on the side face of paddle shaft extends to front end by the paddle shaft rear end; Front end is open; Satisfy the requirement of sheathed installation, the port angle that tilts forms 5 ° angle before the relative spiral chute in the blade face of blade 311.
Group is established when implementing, and when wind speed improved, blade 30 drove fan blade wheel 20 on the one hand and rotates generating; Also adjust the angle that facings the wind simultaneously voluntarily; The windward side of blade 30 that normally diminishes, thus the blast that each blade bears changed, guarantee the work of generator normal power generation.Blade 30 changes the angle that facings the wind, and is to rely on centrifugal and wind relatively rotates, and screw bearing 50 gives the guiding that paddle shaft 31 rotates and slides; Be the steel ball slide relative that the spiral chute 311 on the paddle shaft 31 cooperates on the screw bearing, screw out outward, thus the windward side of the blade 30 that diminishes; Meanwhile, the positioning block 63 on paddle shaft 31 rear ends is followed with plane bearing 62 and is moved axially, and compresses pressure spring 61 thus; At this moment pre-tightening mechanism limits the paddle shaft outward turning relatively; Have buffer function, make the paddle shaft outward turning smooth and easy, reliable, and the paddle shaft inward turning of pulling back.When wind speed reduces, under the pretightening force effect of pressure spring 61, the paddle shaft inward turning of pulling back, blade 30 turns round automatically, increases the windward side, obtains to generate electricity ideally work efficiency.
The present invention is simple in structure, optimizes product structure greatly, and it is smooth and easy, reliable to become oar, and synchronism is good.Certainly, more than diagram is merely preferred embodiment of the present invention, is not to limit practical range of the present invention with this, so every principle according to the present invention is done the equivalence variation or modified, and all should be covered by in protection scope of the present invention.
Claims (1)
1. centrifugal variation paddle structure for wind driven generator; Comprise the wheel wheel that is installed on the generator shaft and be installed in the blade of taking turns the wheel periphery, it is characterized in that: be provided with casing seat in the wheel wheel, the sheathed installation of the corresponding casing seat of paddle shaft; And be provided with screw bearing between paddle shaft and the casing seat; The side face of paddle shaft is provided with spiral chute, and spiral chute cooperates the steel ball slide relative on the screw bearing, and steel ball is spaced apart on helix; Port forms 5 ° angle before the relative spiral chute in the blade face of blade; And the spiral angle of spiral chute on the side face of paddle shaft and screw bearing is less than 25 °, and the spiral chute on the side face of paddle shaft extends to front end by the paddle shaft rear end, and front end is open; On paddle shaft, also be provided with and limit the paddle shaft outward turning and the pre-tightening mechanism of the paddle shaft inward turning of pulling back; Pre-tightening mechanism comprises that the pressure spring, the plane bearing and that are socketed on the paddle shaft is fixed on the positioning block on the paddle shaft; The three is by paddle shaft rear end socket paddle shaft successively, the pressure spring front end then with screw bearing end and casing seat in step support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910221199XA CN101699061B (en) | 2009-09-30 | 2009-10-30 | Centrifugal variation paddle structure for wind driven generator |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920236950 | 2009-09-30 | ||
| CN200920236950.9 | 2009-09-30 | ||
| CN200910221199XA CN101699061B (en) | 2009-09-30 | 2009-10-30 | Centrifugal variation paddle structure for wind driven generator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101699061A CN101699061A (en) | 2010-04-28 |
| CN101699061B true CN101699061B (en) | 2012-11-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910221199XA Expired - Fee Related CN101699061B (en) | 2009-09-30 | 2009-10-30 | Centrifugal variation paddle structure for wind driven generator |
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| Country | Link |
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| CN (1) | CN101699061B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557119B (en) * | 2013-11-20 | 2016-06-22 | 陈海霞 | A kind of wind, light generator |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054495U (en) * | 1989-10-16 | 1990-03-14 | 严晓群 | Wind-driven generator |
| CN2320815Y (en) * | 1998-02-24 | 1999-05-26 | 程荣香 | Central main spring blade centrifugal propeller-changing device |
| CN101358575A (en) * | 2007-08-05 | 2009-02-04 | 尤林 | Pitch balancing device for pitch-control type wind power generator |
-
2009
- 2009-10-30 CN CN200910221199XA patent/CN101699061B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2054495U (en) * | 1989-10-16 | 1990-03-14 | 严晓群 | Wind-driven generator |
| CN2320815Y (en) * | 1998-02-24 | 1999-05-26 | 程荣香 | Central main spring blade centrifugal propeller-changing device |
| CN101358575A (en) * | 2007-08-05 | 2009-02-04 | 尤林 | Pitch balancing device for pitch-control type wind power generator |
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| Publication number | Publication date |
|---|---|
| CN101699061A (en) | 2010-04-28 |
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Owner name: CHONGQING KANZASIN TECHNOLOGY LTD. Free format text: FORMER OWNER: DONGGUAN ZHONGQIANG INDUSTRIAL CO., LTD. Effective date: 20120210 |
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Free format text: CORRECT: ADDRESS; FROM: 523100 DONGGUAN, GUANGDONG PROVINCE TO: 402160 YONGCHUAN, CHONGQING |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20120210 Address after: 402160 Yongchuan Industrial Park Fenghuang Lake Industrial Park, Chongqing Applicant after: Chongqing Jinzexin Technology Co., Ltd. Address before: 523100 Guangdong province Dongguan City Wanjiang District Xiaoxiang Nanhu a Street No. three Applicant before: Dongguan Zhongqiang Industry Co., Ltd. |
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