CN2777236Y - Liquid floating wind-power electric generator - Google Patents
Liquid floating wind-power electric generator Download PDFInfo
- Publication number
- CN2777236Y CN2777236Y CNU2005200692780U CN200520069278U CN2777236Y CN 2777236 Y CN2777236 Y CN 2777236Y CN U2005200692780 U CNU2005200692780 U CN U2005200692780U CN 200520069278 U CN200520069278 U CN 200520069278U CN 2777236 Y CN2777236 Y CN 2777236Y
- Authority
- CN
- China
- Prior art keywords
- liquid
- generator
- rotatingshaft
- cylinder
- wind
- 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 - Lifetime
Links
Images
Classifications
-
- 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
Landscapes
- Wind Motors (AREA)
Abstract
The utility model relates to a liquid floating wind-power electricity generating device, which comprises a wind blade, a generator, a tail wing and a support bracket, the wind blade is connected with a rotor of the generator by a rotating axle and the rotating axle is supported by a bearing to enable the rotor and a stator of the generator to keep interstice fit. The utility model is characterized in that the rotating axle is provided with a liquid floating support device on a gravity direction and the liquid floating support device comprises a box body and a rolling cylinder, wherein the rolling cylinder is provided with a hollow sealing structure, the inner part of the box body contains liquid, the rolling cylinder is coaxially fixed on the rotating axle and is partially or entirely dipped in the liquid. The utility model uses the buoyancy generated when the rolling cylinder discharges water to reduce total weight acting on the rotating axle to reduce frictional force between the rotating axle and the generator. Thus, the wind blade can be started and drive the generator to operate under the condition of an ultra-low wind speed, particularly the wind speed of 0.8 meters per second. The liquid floating wind-power electricity generating device is helpful for the popularization and the application of wind-power electricity generating devices.
Description
Technical field
The utility model relates to and a kind of wind energy is transformed into the device of electric energy, is specially adapted to the wind generating unit of low wind speed (minimum windspeed can reach 0.8 meter per second).
Background technique
Development of human society with the development and use of the energy are had direct relation.Electric energy is the principal mode of human use's energy today.The tradition thermal power generation consumes limited fossil material, produces harmful gas in the power generation process, befouling environment; The hydroelectric power one-time investment is huge, easily causes disruption of ecological balance; The radiation potential hazard of nuclear power makes us having a lingering fear; Tidal power generation has high input, and some key technology is still unresolved.And wind-power electricity generation is pollution-free, renewable, is described as " the clean renewable sources of energy ".
China from early 1980s just wind-power electricity generation as one of measure that realizes the electrification of the countryside, wind-driven generator is used in main development, exploitation and Demonstration Application charging, uses for peasant unshared housing.
Existing wind generating unit generally comprises fan blade, generator, empennage and support, fan blade is connected with the rotor of generator through rotatingshaft, rotatingshaft makes the rotor of generator and stator keep Spielpassung by the bearing supporting, fan blade rotates along with the arrival of wind, thereby drive generator work, as shown in Figure 1.
Yet wind energy sometimes is difficult to utilize.Existing wind generating unit work wind speed can not be lower than 3 meter per seconds mostly, and rated wind speed is generally also more than 6 meter per seconds.And most time of a lot of areas does not reach such wind speed, and wind-driven generator can't be worked, thereby has limited the extensive use of wind generating unit.Though patent 87206813 has been put down in writing the wind generating unit of the low wind speed (annual mean wind speed is 2.5 meter per seconds) of a kind of adaptation, utilize the function of unique charge in batteries, realized that wind wheel also can proper functioning at the wind speed of 1.5 meter per seconds after starting.But this patent does not still solve the problem that wind generating unit can start in low wind speed (force one wind) area.Though patent 89218747 has been put down in writing a kind of wind generating unit that can start, the structure more complicated of this wind generating unit under force one wind or gentle breeze situation.
Existing wind generating unit can only just can start under bigger wind conditions, and one of the main reasons is that the contacting point frictional force of rotatingshaft and generator causes wind-driven generator can't start in little wind speed too greatly.
Summary of the invention
The utility model purpose provides a kind of wind generating unit that can start under low wind speed (force one wind) situation.
Cause wind-driven generator in little wind speed, can't start because the contacting point frictional force of rotatingshaft and generator is too big.So the contacting point frictional force, particularly stiction that how to reduce rotatingshaft and generator is subject matter to be solved by this invention.According to frictional force=weight * friction factor, alleviate frictional force, effective method reduces fan blade exactly, and rotor and wind affact the weight on the rotatingshaft and the gross weights such as deadweight of rotatingshaft.
For achieving the above object, the technical solution adopted in the utility model is: a kind of liquid buoyant wind power generator, comprise fan blade, generator, empennage and support, fan blade is connected with the rotor of generator through rotatingshaft, rotatingshaft makes the rotor of generator and stator keep Spielpassung by the bearing supporting, on the gravitational direction of rotatingshaft, be provided with liquid over draft support arrangement, this liquid over draft support arrangement comprises casing and cylinder, cylinder is the hollow sealing structure, liquid is housed in the casing, cylinder is coaxial to be fixed on the rotatingshaft, and partly or entirely is immersed in the liquid.
Related content in the technique scheme is explained as follows:
1, also be provided with the bottom roll of a hollow sealing below the described cylinder, this bottom roll all is immersed in the liquid, and the unsteady bottom that is supported on the top cylinder; Described two cylinders are cylindrical, and wherein the diameter of bottom roll is top 1～4 times of cylinder, preferably 2～3 times; Described cylinder below also is provided with the bottom roll of two hollow sealings, and two bottom rolls all are immersed in the liquid, and the unsteady side by side bottom that is supported on the top cylinder, forms rounded projections arranged; Described three cylinders are cylindrical, wherein, and two bottom roll equal diameters, and be top 1～4 times of cylinder, preferably 2～3 times.
2, the unsteady of described bottom roll is supported for: the two ends of bottom roll are respectively equipped with rotating shaft, and two rotating shaft branches are located in vertical chute on the casing.
3, the point of action of described liquid over draft support arrangement is located on the rotatingshaft between fan blade and the generator.
4, described liquid over draft support arrangement adopts two nested structures, and wherein, the point of action of a nested structure is located on the rotatingshaft between fan blade and the generator, and the point of action of another set of structure is located on the rotatingshaft of generator rear end.
5, described two cylinders weight of being immersed in water that undersurface position arranges is～8 tons of 50 grams, the weight that wherein arranges water be～3 tons of 50 grams be suitable for civilian, the weight that arranges water be 3～8 tons be suitable for industrially, industrially be preferably 4～6 tons.
6, water or oil can be adorned in the above-mentioned casing,, antifreeze liquid can be added therein in order to prevent that sealing or oil solidify if this device is used for northern area.
7, above-mentioned cylinder is a hollow sealing, its objective is the deadweight that alleviates them, and their size can be determined that this amount amount can be according to fan blade by the weight that arranges water, and rotor and wind affact weight on the rotatingshaft and the gross weights such as deadweight of rotatingshaft are calculated.Main purpose is that cylinder arranges the buoyancy negative function that makes progress that water produces total weight to the rotatingshaft, and then reduces friction.
Working principle of the present utility model is: utilize cylinder to arrange buoyancy that water produces and alleviate and act on weight total on the rotatingshaft.Because, according to force analysis: frictional force=weight * friction factor, if alleviate weight total on the rotatingshaft, the frictional force of rotatingshaft and generator then, particularly stiction will significantly be descended, thereby fan blade just can be started under ultralow wind conditions, and drive generator operation.
Because the technique scheme utilization, the utility model compared with prior art has following advantage and effect:
1, the liquid over draft support arrangement that the utility model adopted is simple in structure, is easy to install, and can directly improve existing electricity generating device, and not need to install other extra devices.
2, the liquid over draft support arrangement that the utility model adopted has reduced the frictional force between rotatingshaft and the generator, stiction particularly, fan blade is started down at ultralow wind speed (force one wind), even can under the wind speed of 0.8 meter per second, start, change the present situation that needs light breeze to start originally, helped the promotion and application of wind generating unit more.
Description of drawings
Accompanying drawing 1 is existing wind power generation device structure schematic representation;
Accompanying drawing 2 is for having the wind power generation device structure schematic representation of a liquid over draft support arrangement;
Accompanying drawing 3 is for having the wind power generation device structure schematic representation of two liquid over draft support arrangements;
Accompanying drawing 4 is for having the liquid buoyant wind power generator schematic perspective view of a liquid over draft support arrangement among the embodiment 1;
Accompanying drawing 5 is for having the liquid buoyant wind power generator schematic perspective view of two liquid over draft support arrangements among the embodiment 2;
In the above accompanying drawing: 1, fan blade; 2, generator; 3, rotatingshaft; 4, empennage; 5, pylon; 6, go up cylinder; 7, bottom roll; 8, water tank; 9, slide rail; 10, bearing
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
The described liquid over draft support arrangement that is provided with on the rotatingshaft gravitational direction comprises casing and cylinder, and cylinder is the hollow sealing structure, and liquid is housed in the casing, and cylinder is coaxial to be fixed on the rotatingshaft, and partly or entirely is immersed in the liquid.
Embodiment 1: a kind of liquid buoyant wind power generator as shown in Figure 4, comprise fan blade 1, generator 2, empennage 4 and support 5, fan blade 1 is connected through the rotor of rotatingshaft 3 with generator 2, rotatingshaft 3 makes the rotor of generator and stator keep Spielpassung by the bearing supporting, also comprise a liquid over draft support arrangement, point of action is located on the rotatingshaft between fan blade and the generator, and described liquid over draft support arrangement comprises a casing 8 and two columniform cylinders 6,7, cylinder 6 coaxial being fixed on the rotatingshaft 3; Described cylinder 6 belows also are provided with the bottom roll 7 of a hollow sealing, this bottom roll 7 all is immersed in the liquid, and the unsteady bottom that is supported on top cylinder 6, and the two ends of bottom roll 7 are respectively equipped with rotating shaft, two rotating shaft branches are located in vertical chute 9 on the casing 8, can slide up and down along chute 9.The diameter of the below cylinder 7 of described liquid over draft support arrangement is 4 times of diameter of top cylinder 6.
Embodiment 2: a kind of liquid buoyant wind power generator as shown in Figure 5, comprise fan blade 1, generator 2, empennage 4 and support 5, fan blade 1 is connected with the rotor of generator 2 through rotating sleeve 3, rotatingshaft 3 makes the rotor of generator and stator keep Spielpassung by the bearing supporting, also comprise two cover liquid over draft support arrangements, wherein, the point of action of one nested structure is located on the rotatingshaft between fan blade and the generator, the point of action of another set of structure is located on the rotatingshaft of generator rear end, described every cover liquid over draft support arrangement comprises a casing 8 and two columniform cylinders 6,7, cylinder 6 coaxial being fixed on the rotatingshaft 3; Cylinder 7 is positioned at the below of cylinder 6, and the two ends of cylinder 7 are respectively equipped with rotating shaft, and two rotating shaft branches are located in vertical chute 9 on the casing 8, can slide up and down along chute 9.The diameter of the cylinder 7 of described liquid over draft support arrangement is 2 times of diameter of cylinder 6.
Embodiment 3: a kind of liquid buoyant wind power generator, comprise fan blade 1, generator 2, empennage 4 and support 5, fan blade 1 is connected through the rotor of rotatingshaft 3 with generator 2, rotatingshaft 3 makes the rotor of generator and stator keep Spielpassung by the bearing supporting, also comprise a liquid over draft support arrangement, point of action is located on the rotatingshaft between fan blade and the generator, described liquid over draft support arrangement comprises a casing 8 and three rotatingcylindrical drums 6,7, cylinder 6 coaxial being fixed on the rotatingshaft 3, described cylinder 6 belows also are provided with the bottom roll 7 of two hollow sealings, two bottom rolls 7 all are immersed in the liquid, and floating side by side is supported on the bottom of top cylinder 6, forms rounded projections arranged (not providing diagram).Described two bottom roll 7 equal diameters, and be top 1～4 times of cylinder 6.
The foregoing description only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present utility model and enforcement according to this, can not limit protection domain of the present utility model with this.All equivalences of being done according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (7)
1, a kind of liquid buoyant wind power generator, comprise fan blade, generator, empennage and support, fan blade is connected with the rotor of generator through rotatingshaft, rotatingshaft makes the rotor of generator and stator keep Spielpassung by the bearing supporting, and it is characterized in that: rotatingshaft is provided with liquid over draft support arrangement on gravitational direction, and this liquid over draft support arrangement comprises casing and cylinder, cylinder is the hollow sealing structure, liquid is housed in the casing, and cylinder is coaxial to be fixed on the rotatingshaft, and partly or entirely is immersed in the liquid.
2, liquid buoyant wind power generator according to claim 1 is characterized in that: described cylinder below also is provided with the bottom roll of a hollow sealing, and this bottom roll all is immersed in the liquid, and the unsteady bottom that is supported on the top cylinder; Described two cylinders are cylindrical, and wherein, the diameter of bottom roll is 1～4 times of top cylinder.
3, liquid buoyant wind power generator according to claim 1, it is characterized in that: described cylinder below also is provided with the bottom roll of two hollow sealings, two bottom rolls all are immersed in the liquid, and the unsteady side by side bottom that is supported on the top cylinder, form rounded projections arranged; Described three cylinders are cylindrical, wherein, and two bottom roll equal diameters, and be top 1～4 times of cylinder.
4, according to claim 2 or 3 described liquid buoyant wind power generators, it is characterized in that: the unsteady of described bottom roll is supported for: the two ends of bottom roll are respectively equipped with rotating shaft, and two rotating shaft branches are located in vertical chute on the casing.
5, according to claim 2 or 3 described liquid buoyant wind power generators, it is characterized in that: the diameter of described bottom roll is 2～3 times of top cylinder.
6, liquid buoyant wind power generator according to claim 1 is characterized in that: the point of action of described liquid over draft support arrangement is located on the rotatingshaft between fan blade and the generator.
7, liquid buoyant wind power generator according to claim 1, it is characterized in that: described liquid over draft support arrangement adopts two nested structures, wherein, the point of action of a nested structure is located on the rotatingshaft between fan blade and the generator, and the point of action of another set of structure is located on the rotatingshaft of generator rear end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200692780U CN2777236Y (en) | 2005-02-22 | 2005-02-22 | Liquid floating wind-power electric generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2005200692780U CN2777236Y (en) | 2005-02-22 | 2005-02-22 | Liquid floating wind-power electric generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2777236Y true CN2777236Y (en) | 2006-05-03 |
Family
ID=36744622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2005200692780U Expired - Lifetime CN2777236Y (en) | 2005-02-22 | 2005-02-22 | Liquid floating wind-power electric generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2777236Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100337027C (en) * | 2005-02-22 | 2007-09-12 | 王继杰 | Liquid buoyant wind power generator |
-
2005
- 2005-02-22 CN CNU2005200692780U patent/CN2777236Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100337027C (en) * | 2005-02-22 | 2007-09-12 | 王继杰 | Liquid buoyant wind power generator |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101881256A (en) | Wind power generator | |
| CN201972834U (en) | Water wheel type power generation device | |
| CN202132183U (en) | Tapered wind gathering type vertical-shaft wind-solar complementary wind driven generator | |
| CN111120208B (en) | Hydraulic constant-pressure energy storage and release system and intelligent regulation and control method | |
| CN201420654Y (en) | Wind driven generator with automatic adjustable blade length | |
| CN101083441A (en) | Floating board type electric generating apparatus using solar energy, wind power and waterpower | |
| CN2777236Y (en) | Liquid floating wind-power electric generator | |
| CN105888956A (en) | Concentric-square-shaped lever type wave power generation device | |
| CN1673525A (en) | Magnetic suspension wind power electric generator | |
| CN100337027C (en) | Liquid buoyant wind power generator | |
| CN101737261A (en) | Wind driven generator with multiple wind wheels | |
| CN202144770U (en) | Novel wind generator | |
| Ali et al. | Design and implementation of portable mobile phone charger using multi directional wind turbine extract | |
| CN101900085B (en) | Device for driving fan blades of solar wind turbine | |
| CN202250632U (en) | Wind power generation equipment of billboard | |
| CN205578189U (en) | Portable wind power generation set | |
| CN205330879U (en) | Combined vertical axis aerogenerator device | |
| CN204827801U (en) | A wind generator system for subway tunnel | |
| CN202091117U (en) | Complementary power generation device adopting light, wind and man power | |
| CN2779100Y (en) | Axial magnetic balance wind power electricity generating device | |
| CN206970129U (en) | A kind of new energy lowering or hoisting gear | |
| CN101457740A (en) | Wind energy and solar generating device on highways | |
| CN206422728U (en) | A kind of wind light mutual complementing integral type electrification structure | |
| CN201461239U (en) | Multi-wind-wheel wind driven generator | |
| CN202203053U (en) | Billboard power generation device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20050222 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |