CN201258830Y - Wind power generation plant - Google Patents
Wind power generation plant Download PDFInfo
- Publication number
- CN201258830Y CN201258830Y CNU2008201852013U CN200820185201U CN201258830Y CN 201258830 Y CN201258830 Y CN 201258830Y CN U2008201852013 U CNU2008201852013 U CN U2008201852013U CN 200820185201 U CN200820185201 U CN 200820185201U CN 201258830 Y CN201258830 Y CN 201258830Y
- Authority
- CN
- China
- Prior art keywords
- platform
- generator
- tower
- generating unit
- wind generating
- Prior art date
- 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
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- Wind Motors (AREA)
Abstract
The utility model relates to a wind power generating device, comprising a generator and a tower rod. Blades are connected on rotors of the generator; the generator is movably arranged on the top end of the tower rod and rotates by taking the tower rod as a shaft; and the tower rod is provided with a resetting device which leads the generator to be reset. The axis of the tower rod (namely the rotating axis of the generator) deviates the rotating axis of the blades. Compared with the prior art, the simple structure of the utility model realizes the effect which can be realized by needing complex structure in the prior art. The utility model is passive control and does not need a power supply and a control circuit.
Description
Technical field
The utility model relates to the green energy resource development field, specifically is a kind of wind generating unit.
Background technique
Wind-driven generator is by wind-force operation, and when wind speed is higher than cut-out wind speed (when meeting with typhoon, hurricane), wind-driven generator must quit work and avoid, otherwise, fan blade can be blown disconnected, and wind-driven generator falls from platform folding, causes machine to ruin even people's accident of dying.So the running safety of wind-power generating system is most important.Allow wind-driven generator avoid disaster in strong wind, a kind of method commonly used is called folding tail mechanism, promptly is that the whole generating chance is reversed to reduce the area of blade face to the direction of the wind comes from.Concrete available multiple automatic control mode, for example, the wind speed starting circuit of surveying according to anemoscope is ordered the leaf plane of generator from perpendicular to wind speed direction in the driving of motor, change 90 ° parallel with wind speed direction, allow generator tail vane and leaf plane by vertical to become parallel to.Large-scale Wind Turbines also can load damping even brake in this nyctitropic while.But this mode needs control system, electric consumption etc.
Summary of the invention
The utility model proposes a kind of new wind generating unit in order to solve problems of the prior art,, concrete technological scheme is as follows:
A kind of wind generating unit comprises generator, tower bar; Be connected with blade on the rotor of generator; Generator is actively installed on tower masthead end, serve as that axle rotates with the tower bar; On the tower bar, be provided with the resetting means that generator is resetted.Tower bar place axis (being the rotation axis of generator) departs from the blade rotation axis.
As improvement, the utility model also comprises platform; Generator is located on the platform, is connected with the tower bar by platform; Be provided with articulating device between platform and the tower masthead end.
Described tower masthead end is provided with rotating shaft, is provided with corresponding bearing on platform, and rotating shaft and corresponding bearing constitute articulating device.
The rotating shaft of described tower masthead end all has the inclination angle in level and Vertical direction, and this rotating shaft constitutes resetting means.Its principle is, and is higher when wind speed, platform is rotated after, platform can raise, each equipment on platform and the platform has potential energy; When wind speed lowers, potential energy rotates platform to reset.
Described resetting means also can be a torsion spring, and an end of torsion spring is located on the tower bar, and the other end is located on the platform.Resetting of platform depends on the elastic potential energy of torsion spring.
The utility model also comprises tail vane.Described tail vane can flexibly connect with generator.Also can flexibly connect, be used to identify wind direction with platform.
Working principle of the present utility model:
In the prior art, if the fulcrum (being tie point mentioned above) that platform is connected with iron tower is placed in any point on the axis, great theoretically wind-force all can not allow the relative pylon of blade of generator be rotated, can only be by the power that adds.As long as fulcrum is departed from blade rotation axis (for example being located at the both sides up and down of blade rotation axis), as shown in Figure 1, can realize automatically.When wind-force acts on the axis, platform and the wind-driven generator that is installed on the platform will rotate around fulcrum.Because formed running torque, fulcrum is far away more apart from the blade rotation axis, and required running torque is just more little; Fulcrum is near more apart from axis, and required running torque is just big more.
As shown in Figure 2, be located at axis top B point, its principle and A point are that sense of rotation is opposite with the A point fully in like manner, and top view platform wind-driven generator is the inhour rotation during A point; Top view platform wind-driven generator is to turn clockwise during the B point.
Compare the effect that the utility model needing in the prior art just to have realized labyrinth to realize very much with simple structure with prior art.The utility model Passive Shape Control, without power supply, without control circuit.
Description of drawings
Fig. 1 is the utility model schematic representation
Fig. 2 is the utility model principle schematic
Fig. 3 is the utility model embodiment principle schematic
Embodiment
The utility model is described in further detail below in conjunction with accompanying drawing and embodiment.
A kind of wind generating unit comprises generator, tower bar; Be connected with blade on the rotor of generator; Generator is actively installed on tower masthead end, serve as that axle rotates with the tower bar; On the tower bar, be provided with the resetting means that generator is resetted.Tower bar place axis runout blade rotation axis.
In this example, also comprise platform; Generator is located on the platform, is connected with the tower bar by platform; Be provided with articulating device between platform and the tower masthead end.
Described tower masthead end is provided with rotating shaft, is provided with corresponding bearing on platform, and rotating shaft and corresponding bearing constitute articulating device.The rotating shaft of described tower masthead end all has the inclination angle in level and Vertical direction, and this rotating shaft constitutes resetting means.This rotating shaft is a product more common in the prior art, just is not further limited at this.Its principle is, and is higher when wind speed, platform is rotated after, platform can raise, each equipment on platform and the platform has potential energy; When wind speed lowers, potential energy rotates platform to reset.
In this example, also comprise tail vane, tail vane and platform flexibly connect.
The concrete distance that the tie point of described generator and tower bar departs from the blade rotation axis need according to use on-the-spot wind-force, select for use blade factors such as size decide.The rotating shaft of tower masthead end needs make according to wind-force the factors such as gross weight of equipment on platform rotating moment, platform and the platform etc. to decide in the displacement of Vertical direction size.In this example, establish described blade disc Φ 4.3m that rotation becomes; Wind speed begins to rotate at the 26m/s platform; Platform with and on each gross weight of equipment amount be 1000kg; Then to depart from the distance of blade rotation axis be 90mm to the tie point of motor and tower bar; The rotating shaft of tower masthead end is 60mm in the displacement of Vertical direction.
Because the tie point of motor and tower bar departs from the distance of blade rotation axis, the rotating shaft of tower masthead end is not the utility model protection domain at the derivation method of the displacement of Vertical direction, so do not do too much explanation at this.
Claims (8)
1, a kind of wind generating unit comprises generator, tower bar; Be connected with blade on the rotor of generator; Generator is actively installed on tower masthead end, serve as that axle rotates with the tower bar; On the tower bar, be provided with the resetting means that generator is resetted, it is characterized in that tower bar place axis runout blade rotation axis.
2, wind generating unit according to claim 1 is characterized in that also comprising platform; Generator is located on the platform, is connected with the tower bar by platform; Be provided with articulating device between platform and the tower masthead end.
3, wind generating unit according to claim 2 is characterized in that described tower masthead end is provided with rotating shaft, is provided with corresponding bearing on platform, and rotating shaft and corresponding bearing constitute articulating device.
4, wind generating unit according to claim 3 is characterized in that the rotating shaft of described tower masthead end all has the inclination angle in level and Vertical direction, and this rotating shaft constitutes resetting means.
5, wind generating unit according to claim 3 is characterized in that described resetting means is a torsion spring, and an end of torsion spring is located on the tower bar, and the other end is located on the platform.
6, wind generating unit according to claim 1 and 2 is characterized in that also comprising tail vane.
7, wind generating unit according to claim 6 is characterized in that described tail vane and generator flexibly connect.
8, wind generating unit according to claim 6 is characterized in that described tail vane and platform flexibly connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201852013U CN201258830Y (en) | 2008-08-26 | 2008-08-26 | Wind power generation plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201852013U CN201258830Y (en) | 2008-08-26 | 2008-08-26 | Wind power generation plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201258830Y true CN201258830Y (en) | 2009-06-17 |
Family
ID=40773064
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201852013U Expired - Fee Related CN201258830Y (en) | 2008-08-26 | 2008-08-26 | Wind power generation plant |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201258830Y (en) |
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2008
- 2008-08-26 CN CNU2008201852013U patent/CN201258830Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090617 Termination date: 20110826 |