CN202673561U - Novel wind pressure variable-pitch wind driven generator - Google Patents
Novel wind pressure variable-pitch wind driven generator Download PDFInfo
- Publication number
- CN202673561U CN202673561U CN2012201543891U CN201220154389U CN202673561U CN 202673561 U CN202673561 U CN 202673561U CN 2012201543891 U CN2012201543891 U CN 2012201543891U CN 201220154389 U CN201220154389 U CN 201220154389U CN 202673561 U CN202673561 U CN 202673561U
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- CN
- China
- Prior art keywords
- wind
- main shaft
- fan blade
- wheel
- wheel hub
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- Y02E10/728—Onshore wind turbines
Abstract
A novel wind pressure variable-pitch wind driven generator comprises a main shaft (13), the left end of the main shaft (13) is provided with a wind wheel device, the right end of the main shaft (13) is provided with a generator assembly, and the middle of the main shaft (13) is provided with a gyrorotor (3). The lower portion of the gyrorotor (3) is provided with a stand shaft (12) connected with a pole (5), and the wind wheel device comprises a fan blade rotary wheel assembly and a spring chamber (7) which is connected with a wheel hub (1) of the fan blade rotary wheel assembly. The novel wind pressure variable-pitch wind driven generator has the advantages of being simple in structure, changing a route of front-back displacement of the wheel hub under action of change of pressure by means of wind pressure acting on the wind wheel, and achieving change of step angles of fan blades of the wind wheel by means of the wheel hub inner synchronous drive mechanism, thereby having safe rate-limiting effect on the condition of high wind speed and gust, having high wind resisting performance, and ensuring safe operation.
Description
Technical field
The utility model relates to technical field of wind power generation, specifically wind-pressure paddle change wind driven generator.
Background technique
Because the environment in the wind-driven generator work is in fitful wind, strong wind etc. than in the rugged environment, therefore wind-driven generator itself takes the problems such as the too high wind wheel overspeed of blast, wind speed that reply variation causes from wind speed security threat, particularly strong wind produce of carving.Therefore overcome the load of blast, effectively resist this load, become the wind-driven generator whether can be in the key of trouble free service under the strong wind.The wind-driven generator variable propeller pitch technology is compared common fixed pitch wind-driven generator product, owing to can change the blade pitch angle, adjusts output,, keep stabilization of speed, anti-strong wind ability strong, the efficient advantages of higher more and more has been subject to the attention of industry development.Therefore improve constantly the wind-driven generator variable propeller pitch technical merit, design research and development pitch-controlled wind-driven generator product simple in structure, more reliable performance is significant to the progress of wind-driven generator product performance.
Summary of the invention
To be that exploitation is a kind of be used for changing blade sheet propeller pitch angle by blast to the purpose of this utility model, excellent performance, wind-pressure paddle change wind driven generator simple in structure, this technical pattern is applicable to the leeward direction wind-driven generator, belongs to passive type paddle changing wind power generator category.
The novel wind-pressure paddle change wind driven generator of the utility model, comprise: main shaft 13, main shaft 13 left ends are provided with wind wheel apparatus, and the right-hand member of main shaft 13 is provided with generator assembly, main shaft 13 middle parts are provided with solid of rotation 3, and the bottom She Catching-rabbits of solid of rotation 3 has the vertical shaft 12 that links to each other with tower bar 5.
Described wind wheel apparatus comprises the fan blade wheel set assembly, with the wheel hub 1 of fan blade wheel set assembly and the spring housing 7 that links to each other.
Described fan blade wheel set assembly comprises wheel hub 1,1 li of wheel hub is provided with freely that counterrotating three fan blade coupling shafts 6, three fan blade coupling shafts 6 are to be fixed in the wheel hub 1 by bearing 14, and the root of main shaft 13 has the straight-tooth of processing and three gears of three fan blade coupling shaft 6 roots to nibble mutually.Three fan blade coupling shafts 6 link to each other with fan blade 2.
Described spring housing 7 comprises the spring chamber cap, and the left end of the main shaft 13 in the contained spring chamber cap is fixed with spring capping 21, and by nut 20 lockings, spring 22 is installed on the spring chamber cap inner main axis 13.Be processed with interior foil groove in the spring housing 7, cooperate with external splines on the main shaft 13, the relatively rotating of restriction main shaft 13.
Described spring housing 7 comprises the spring chamber cap, and the left end of the main shaft 13 in the spring chamber cap is fixed with spring capping 21, and by nut 20 lockings, spring 22 is installed on the spring chamber cap inner main axis 13.
Described generator assembly comprises the generator amature that links to each other with main shaft, and generator unit stator body 25 links to each other with solid of rotation 3.
Described main shaft 13 is supported in the solid of rotation 3 by 15, two deep-groove balls 17 of linear bearing.
The utility model new pressure pitch wind turbine pitch is achieved like this: When the wind blows a wind wheel hub rotates and generates excessive pressure, due to the spindle 13 is within the limit of the rotary body 3 only rotation can be displaced, when the wind wheel hub 1 in the displacement under the action of pressure, the hub 1 in the three blade due to the connection shaft 6 under the action of gear rotation, thus pitch behavior occurred.Three fan blade coupling shafts 6 are to be fixed in the wheel hub 1 and can to rotate by bearing 14, solid of rotation be by bearing 24 be fixed on can occur on the vertical shaft 12 rotation motion by guarantee wind wheel automatically to wind.
The advantage of the novel wind-pressure paddle change wind driven generator of the utility model is: simple in structure, by acting on the blast on the wind wheel, under the variation effect of pressure size, change the stroke that wheel hub moves forward and backward, by wheel hub inter-sync driving mechanism, realize the variation of wind wheel fan blade propeller pitch angle, thereby in high wind speed and fitful wind situation, have the safety speed-limit effect, have the ability of resisting strong wind, guarantee the safer operation of wind energy conversion system.
Description of drawings
Fig. 1 a, b, c are the structural representation of novel wind-pressure paddle change wind driven generator;
Fig. 2 a, b are the sectional drawing of wind-pressure paddle change wind driven generator;
Fig. 3 a, b are that wind-pressure paddle change wind driven generator work changes schematic representation.
Embodiment
A kind of novel wind-pressure paddle change wind driven generator, comprise: main shaft 13, main shaft 13 left ends are provided with wind wheel apparatus, and the right-hand member of main shaft 13 is provided with generator assembly, main shaft 13 middle parts are provided with solid of rotation 3, and the bottom She Catching-rabbits of solid of rotation 3 has the vertical shaft 12 that links to each other with tower bar 5.
Described wind wheel apparatus comprises the fan blade wheel set assembly, with the wheel hub 1 of fan blade wheel set assembly and the spring housing 7 that links to each other.
Described fan blade wheel set assembly comprises wheel hub 1, it can free phases be to be fixed in the wheel hub 1 by bearing 14 when three fan blade coupling shafts 6, three fan blade coupling shafts 6 of rotation that 1 li of wheel hub is provided with, and the root of main shaft 13 has the straight-tooth of processing and three gears of three fan blade coupling shaft 6 roots to nibble mutually.Three fan blade coupling shafts 6 link to each other with fan blade 2.
Described spring housing 7 comprises the spring chamber cap, and the left end of the main shaft 13 in the spring chamber cap is fixed with spring capping 21, and by nut 20 lockings, spring 22 is installed on the spring chamber cap inner main axis 13.Be processed with interior foil groove in the spring housing 7, cooperate (analysing and observe such as Fig. 2 B-B) with external splines on the main shaft 13, the relatively rotating of restriction main shaft 13.
Described generator assembly comprises the generator amature that links to each other with main shaft, and generator unit stator body 25 links to each other with solid of rotation 3.
Shown in Fig. 1 (a), press paddle changing wind power generator by the lower wind direction Novel air that the parts such as wind wheel hub 1, three blades 2, solid of rotation 3, generator 4, tower bar 5 form, W arrow indication be wind come to.
When wind reaches certain speed, then wind wheel can begin to rotate.
Shown in Fig. 1 (b), for novel wind-pressure paddle change wind driven generator agent structure part, formed by wheel hub 1, spring housing 7, spring housing's capping 8, fan blade coupling shaft 6, bearing with end cover chamber 9, solid of rotation 3, solid of rotation scuttle 10, air guide sleeve 11, vertical shaft 12.Wheel hub 1 supports by main shaft 13 and can rotate relative to solid of rotation 3, and three fan blade coupling shaft 6 relative wheel hubs can rotate, and solid of rotation 3 relative vertical shafts 12 can rotate.There is certain distance at the center of wheel hub 1 relative vertical shaft 12, when wind is on wind wheel, thereby realize wind wheel automatically to wind.
Shown in Fig. 1 (c), be the wheel hub internal structure, the straight-tooth on the main shaft 13 is meshed with three gears of three fan blade coupling shaft 6 roots.When wheel hub 1 relative main shaft 13 was subjected to displacement, then three fan blade coupling shafts 6 rotated together with the step, thereby oar occurs to become.
Figure (2) is the agent structure sectional drawing of novel wind-pressure paddle change wind driven generator, wheel hub 1 is fixed on the main shaft 13 by linear bearing (can realize rotation and straight-line displacement campaign) 15, main shaft 13 is fixing spacing in solid of rotation 3 by two deep-groove balls 17, can rotate but axial displacement can not occur.The left end of main shaft 13 has the internal spline engagement of external splines and spring housing 7, guarantees that wheel hub 1 and main shaft 13 rotate synchronously, and can be subjected to displacement motion with linear bearing 15 supporting wheel hubs 1 on main shaft 13.The main shaft right-hand member is fixed with generator amature body 19, generator unit stator body 27 is fixed in the solid of rotation 3, when main shaft 13 rotor driven bodies 19 rotate, generator unit stator body 25 inner generation currents, and prevent the effect that electric transmission line twines by bus ring 23() and wire 26 outputs generate electricity.The left end of main shaft 13 is fixed with spring capping 21, by nut 20 lockings, spring 22 is installed in the spring housing 7, when the moving wind wheel hub 1 of wind rotates and produces excessive blast, because main shaft 13 is limited in the solid of rotation 3 and can only rotates and can not be subjected to displacement, at this moment wind wheel hub 1 is subjected to displacement under the effect of blast, and three fan blade coupling shafts that wheel hub is 1 li 6 are owing to rotate under the effect of gear engagement, thereby the behavior of change oar has occured.Three fan blade coupling shafts 6 are to be fixed in the wheel hub 1 and can to rotate by bearing 14, solid of rotation be by bearing 24 be fixed on can occur on the vertical shaft 12 rotation motion by guarantee wind wheel automatically to wind.
Figure three (a) is that wind W blows over, and wheel hub 1 relative solid of rotation 3 is subjected to displacement, and travel compression is to L.
Figure three (b) is after wheel hub 1 is subjected to displacement, and fan blade coupling shaft 6 relative wheel hubs 1 rotate, thus the relative wind wheel plane of rotation of chord of blade heart line A, and the variation of a degree occurs in propeller pitch angle.
By the effect of blast to wind wheel, the wind wheel blade propeller pitch angle changes when strong wind like this, reaches the purpose of speed limit and speed stabilizing, thereby guarantees the safe operation of wind-driven generator.
Claims (3)
1. novel wind-pressure paddle change wind driven generator, comprise: main shaft (13), main shaft (13) left end is provided with wind wheel apparatus, the right-hand member of main shaft (13) is provided with generator assembly, main shaft (13) middle part is provided with solid of rotation (3), the bottom She Catching-rabbits of solid of rotation (3) has the vertical shaft (12) that links to each other with tower bar (5), and it is characterized in that: described wind wheel apparatus comprises the fan blade wheel set assembly, the spring housing (7) that links to each other with the wheel hub (1) of fan blade wheel set assembly.
2. root a tree name right is wanted water 1 described novel wind-pressure paddle change wind driven generator, it is characterized in that: described fan blade wheel set assembly comprises wheel hub (1), inner being provided with of wheel hub (1) can be worked as three the fan blade coupling shafts (6) that rotate by free phases, three fan blade coupling shafts (6) are to be fixed in the wheel hub (1) by bearing (14), straight-tooth on the main shaft (13) is meshed with three gears of three fan blade coupling shafts (6) root, the root of main shaft (13) has the straight-tooth of processing and three gears of three fan blade coupling shafts (6) root to nibble mutually, and three fan blade coupling shafts (6) link to each other with fan blade (2).
3. root a tree name right is wanted water 1 described novel wind-pressure paddle change wind driven generator, it is characterized in that: described spring housing (7) comprises the spring chamber cap, the left end of the main shaft (13) in the spring chamber cap is fixed with spring capping (21), lock by nut (20), spring (22) is installed on the spring chamber cap inner main axis (13), spring housing is processed with inner spline groove in (7), cooperates the relatively rotating of restriction main shaft (13) with external splines on the main shaft (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201543891U CN202673561U (en) | 2012-04-13 | 2012-04-13 | Novel wind pressure variable-pitch wind driven generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201543891U CN202673561U (en) | 2012-04-13 | 2012-04-13 | Novel wind pressure variable-pitch wind driven generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202673561U true CN202673561U (en) | 2013-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201543891U Expired - Fee Related CN202673561U (en) | 2012-04-13 | 2012-04-13 | Novel wind pressure variable-pitch wind driven generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202673561U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375338A (en) * | 2012-04-13 | 2013-10-30 | 黄石华科新能源科技有限公司 | Novel wind-pressure variable pitch wind generator |
-
2012
- 2012-04-13 CN CN2012201543891U patent/CN202673561U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375338A (en) * | 2012-04-13 | 2013-10-30 | 黄石华科新能源科技有限公司 | Novel wind-pressure variable pitch wind generator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150413 |
|
| EXPY | Termination of patent right or utility model |