CN203532168U - Wind energy and mechanical energy electricity generation device - Google Patents
Wind energy and mechanical energy electricity generation device Download PDFInfo
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- CN203532168U CN203532168U CN201320640388.2U CN201320640388U CN203532168U CN 203532168 U CN203532168 U CN 203532168U CN 201320640388 U CN201320640388 U CN 201320640388U CN 203532168 U CN203532168 U CN 203532168U
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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
Abstract
The utility model discloses a wind energy and mechanical energy electricity generation device. The wind energy and mechanical energy electricity generation device comprises a wind power device, a movement mechanical energy storage device, an electric generator and a control computer and is used for achieving wind energy storage and electricity generation. The wind energy and mechanical energy electricity generation device further comprises a movement mechanical energy storage unit which is connected with the wind power device and the electric generator, stable electricity is generated through the electric generator, and the defect that output power of traditional wind power generation changes along with the magnitude of wind power and is not stable, and thus output can not be achieved according to the electricity demand is overcome. By means of the mechanical energy storage unit, the wind energy and mechanical energy electricity generation device stores energy by means of a physical method and breaks through the limitation of energy storage of a chemical battery. The wind energy and mechanical energy electricity generation device has the advantages of being small in size, low in cost, low in temperature requirement, easy to maintain, long in service life, and efficient, saving energy, and being environmentally friendly.
Description
Technical field
The utility model relates to a kind of wind generating unit, relates in particular to a kind of wind energy and mechanical energy electricity generating device.
Background technique
Wind energy is a kind of clean, renewable energy sources that reserves are very abundant, it and be present in natural mineral substance fuel energy, as differences such as coal, oil, rock gases, it can, along with conversion and the utilization and reducing of itself, therefore not can be described as a kind of inexhaustible, nexhaustible energy.And mineral substance fuel reserves are limited, minimizing increasingly, moreover its serious pollution problem bringing and greenhouse effect are just more and more perplexing people.Therefore wind-power electricity generation just more and more causes people's concern.
Global Wind-energy resource is very abundant, and technical utilizable total resources estimated for approximately 53 * 10,600,000,000 kWh/years.As reproducible clean energy resource, be subject to the great attention of countries in the world.Over nearly 20 years, wind power technology has had huge progress, and development speed is surprising.
EWEA in 2010 and green peace organization have signed < < wind-force 12---and about the year two thousand twenty wind-powered electricity generation, reach the report of 12% blueprint > > of world's electric power total amount, the blueprint of " wind-force 12% " shows wind-power electricity generation has become the indispensable important force that solves energy issue of world.According to the current development trend of wind-powered electricity generation, estimate that during 2008～2012 years, electric motor power growth rate is 20%, later to being during 15%, 2017～the year two thousand twenty to be 10% during 2015.Result wind-powered electricity generation in 2010 installation 1.98 hundred million KW of its reckoning, wind-powered electricity generation electric weight 0.43 * 10,400,000,000 kWh, the year two thousand twenty wind-powered electricity generation installation 12.45 hundred million KW, wind-powered electricity generation electric weight 3.05 * 10,400,000,000 kWh, accounts for 11.9% of total electric consumption figure 25.58 * 10,400,000,000 kWh in the world at that time.
World's Wind Power Development has following features:
(1) wind-powered electricity generation single-machine capacity constantly expands.The technology of wind-powered electricity generation unit is along the future development that increases single-machine capacity, raising conversion efficiency.The single-machine capacity of blower fan develops into 2000～5000KW from 600KW, as Germany, in the North Sea and Elbe mouth, the blower fan of unit 5000KW has been installed in batches, and Denmark has built the blower fan of single-machine capacity 2000～2200KW in batches.New wind power generation unit blade Design and manufacture has extensively adopted new technology and new material, effectively improves and improved wind-power electricity generation general arrangement ability and level.In addition, the employing of variable paddle and double feedback electric engine, makes unit more can adapt to the variation of wind speed, has greatly improved efficiency.Recently, develop again anodontia blower fan etc., further improved Security and efficiency.
(2) wind power price fast-descending.Due to the utilization of new technology, the electricity price of wind-powered electricity generation is fast-descending trend, and day by day approaches the cost of coal fired power generation.Take the U.S. as example, the positive reduced year by year of the cost of wind-powered electricity generation unit and cost of electricity-generating, reach can with the equal level of conventional power generation usage equipment.Relevant expert's prediction, Global Wind Power Industry ability often doubles, and cost just declines 15%.
The wind energy resources of China is very abundant.According to the observational data of more than 900 weather station, the whole nation, estimate, Chinese land wind energy resources gross reserves approximately 32.26 hundred million KW, wherein developable wind energy content is 2.53 hundred million KW, and marine wind energy content has 7.5 hundred million KW, adds up to 1,000,000,000 KW.The Wind Power Generation of China is started late, and is substantially divided into three phases.
First stage is exploration and the demonstration phase of 1986～nineteen ninety China's grid connected wind power project.Be characterized in that scale of the project is little, single-machine capacity is little, maximum unit 200KW, total installation of generating capacity 4.2 thousand KW.
Second stage be 1991～nineteen ninety-five demonstrative project obtain effect progressively promoting the stage.5 wind energy turbine set of building together, install 131 of blower fans, electric motor power 3.3 ten thousand KW, maximum unit 500KW.
Phase III is to expand the construction scale stage after 1996.Be characterized in that scale of the project and electric motor power are larger, development speed is very fast, average year adding new capacity 6.18 ten thousand KW, and maximum single-machine capacity reaches 1300KW.
Along with reaching its maturity and the expansion of electric power scale of wind power technology, the power of wind-driven generator is to maximization future development.This rising industry of wind-power electricity generation will be flourish, becomes the pillar industry of energy resource supply in the future.
Model utility content
The utility model utilizes wind energy to pass through mechanical energy energy-storage units, utilizes physical method to realize energy storage, has broken through the limitation of chemical cell, and a kind of wind energy and mechanical energy electricity generating device for base station of efficient, energy-saving and environmental protection is provided.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Wind energy and a mechanical energy electricity generating device, comprising: wind power apparatus, motion mechanical energy storage device, generator and control computer, for realizing Wind energy storage generating; Also comprise motion mechanical energy storage unit, described motion mechanical energy storage unit connects wind power apparatus and generator, and then send electric power stably by generator, broken away from traditional output power of wind power generation unstable with wind-force size variation, the drawback that output power can not be supplied with according to electricity needs; The utility model, by mechanical energy energy-storage units, utilizes physical method to realize energy storage, has broken through the limitation of chemical cell energy storage.Have that volume is little, cost is low, not high to temperature requirement, safeguard simple, long service life, the feature of efficient, energy-saving and environmental protection; Described motion mechanical energy storage unit connects wind power apparatus and generator, and then is connected to electrical network by generator, and accepts dispatching of power netwoks, according to electrical network, requires to control generated output and time; .
Further improvement for above technological scheme, described motion mechanical energy storage unit, it comprises support, controller 1 and gearbox, also comprise driving shaft, driving shaft is connected with gearbox by first clutch, on driving shaft, also by several second clutches, is installed in parallel the energy storage device of establishing plane scroll spring in several.
For the further improvement of above technological scheme, described energy storage device comprises driven shaft, plane scroll spring and energy storage cylinder, and by 1 sun gear, 3 planet wheels, 1 planetary gears that gear ring forms; Described sun gear and driven shaft are affixed; Energy storage cylinder is arranged on gear ring outside and supports 3 planet wheels as planet carrier; One or many rhizoplanes volute spring in parallel are respectively set on the position of the planet axis of 3 planet wheels in entering energy storage cylinder; Plane scroll spring one end is connected with planet axis, and the other end connects energy storage cylinder; Driving shaft passes through from the inside of driven shaft, and one end of driven shaft is connected by second clutch with driving shaft.
For the further improvement of above technological scheme, a linkage control device that to a certain amount of rear next energy storage device that is certainly dynamically connected, it is started working in this energy storage device energy storage is set on described each energy storage device.
For the further improvement of above technological scheme, described linkage control device comprises a linked gear, the external tooth engagement of its external tooth and gear ring; Also comprise the couple axle fixing with linked gear, limit sliding chutes, stop nut, and at limit sliding chutes two ends, a limit switch is respectively installed; Also comprise connecting move control system; Described couple axle is screw thread at one section that is positioned at above limit sliding chutes, and stop nut is screwed on this screw thread, and the bottom of stop nut is stuck in limit sliding chutes.
Further improvement for above technological scheme, described two limit switches are sensitive switch, one of them is energy storage limit switch, another is for releasing energy limit switch, when energy storage or while releasing energy, limited nut is closed the first clutch of next energy storage device and second clutch by connecting move control system after touching respectively, the clutch of current energy storage device and second clutch is thrown off simultaneously.
For the further improvement of above technological scheme, described wind power apparatus comprises blade and rotor, mechanical connection between blade and rotor; The below of wind power apparatus is provided with magnetic clutch, the controlled computer control of magnetic clutch.
For the further improvement of above technological scheme, described wind power apparatus top is also provided with lightning conductor.
For the further improvement of above technological scheme, wind power apparatus, by driving belt or gear drive, drives described driving shaft to rotate.
For the further improvement of above technological scheme, described controller connects and controls driving shaft and is connected to generator or is connected to wind power apparatus.
The utility model, by mechanical energy energy-storage units, utilizes physical method to realize energy storage, has broken through the limitation of chemical cell.Have that volume is little, expense is low, not high to temperature requirement, safeguard simple, long service life, the feature of efficient, energy-saving and environmental protection.And it is unstable with wind-force size variation to have broken away from traditional output power of wind power generation, the drawback that output power can not be supplied with according to electricity needs.
Accompanying drawing explanation
Fig. 1 is the utility model overall structure schematic diagram;
Fig. 2 is the perspective view of the utility model motion mechanical energy energy-storage units;
Fig. 3 is the schematic top plan view of the utility model motion mechanical energy energy-storage units;
Fig. 4 is the A-A sectional drawing in Fig. 3;
Fig. 5 is the B-B sectional drawing in Fig. 3;
Fig. 6 is the C-C sectional view in Fig. 3;
Fig. 7 is the vertical view cutaway drawing of energy storage device in the utility model;
Fig. 8 is half schematic diagram of mechanism of energy storage device in the utility model;
Fig. 9 is wind-force energy storing and electricity generating structural representation in the utility model;
Wherein: 1-controller; 2-gearbox; 3-first clutch; 4-axle bed; 6-second clutch; 7-energy storage device; 7a-axle bed; 7b-gear ring; 7c-energy storage cylinder; 7d-couple axle; 7e-limit sliding chutes; 7f-stop nut; 7g-linked gear; 7h-axle bed; 7i-planet wheel; 7j-planet axis; 7k-sun gear; 7m-plane scroll spring; 7n-releases energy limit switch; 7p-energy storage limit switch; 8-steel cable; 10-driving shaft; 11-brake; 12-driven shaft; 21-wind power apparatus driving gear; 22-rotor; 23-air reasoning bearing; 25-wind power apparatus blade.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
A kind of wind energy and mechanical energy electricity generating device.As shown in Figure 1, comprising: wind power apparatus, motion mechanical energy storage device, generator and control computer, for realizing Wind energy storage generating; Also comprise motion mechanical energy storage unit, described motion mechanical energy storage unit connects wind power apparatus and generator, and then send electric power stably by generator, broken away from traditional output power of wind power generation unstable with wind-force size variation, the drawback that output can not be supplied with according to electricity needs; The utility model, by mechanical energy energy-storage units, utilizes physical method to realize energy storage, has broken through the limitation of chemical cell energy storage.Have that volume is little, cost is low, not high to temperature requirement, safeguard simple, long service life, the feature of efficient, energy-saving and environmental protection.
Specific works mode is: first wind power apparatus by wind energy storage in motion mechanical energy energy storage device, wind power apparatus by wind energy storage in motion mechanical energy energy storage device and reach can maximum energy reserve 80% when above, wind-force is still very large, under dispatching of power netwoks instruction, by controlling, under computer control, start the work of motion mechanical energy energy storage device, drive generator to generate electricity, realized the Wind energy storage generating of energy storage limit, limit generating.Because generator is the steady generating being driven by motion mechanical energy energy storage device, just overcome because wind power apparatus directly drives generator generating and be subject to the drawback that windage generating is unstable, output power can not be supplied with according to electricity needs; Not enough or while there is no wind at wind-force, if there is dispatching of power netwoks instruction, by controlling computer control, starts the work of motion mechanical energy energy storage device, drive generator to generate electricity, realized according to electrical network requirement energy storing and electricity generating;
As shown in Figure 2 and Figure 3, described motion mechanical energy energy-storage units 15, it comprises support, controller 1 and gearbox 2, also comprise driving shaft 10, driving shaft 10 is connected with gearbox 2 by first clutch 3, on driving shaft 10, also by several second clutches 6, is installed in parallel the energy storage device 7 of establishing plane scroll spring 7m in several.
As shown in Figure 7, Figure 8, described energy storage device 7 comprises driven shaft 12, plane scroll spring 7m and energy storage cylinder 7c, and by 1 sun gear 7k, 3 planet wheel 7i, 1 planetary gears that gear ring 7b forms; Described sun gear 7k and driven shaft 12 are affixed; Energy storage cylinder 7c is arranged on gear ring 7b outside and supports 3 planet wheel 7i as planet carrier; One or many rhizoplanes volute spring 7m in parallel are respectively set on the position of the planet axis 7j of 3 planet wheel 7i in entering energy storage cylinder 7c; Plane scroll spring 7m one end is connected with planet axis 7j, and the other end connects energy storage cylinder 7c; Driving shaft 10 passes through from the inside of driven shaft 12, and one end of driven shaft 12 is connected by second clutch 6 with driving shaft 10.For graphic simplicity, in Fig. 8, only drawn half of mechanism in energy storage device 7.
In the utility model, all first clutches 3, second clutch 6 are friction-type electromagnetic clutch, select this kind of clutch can when driving shaft 10 rotates, carry out dynamic clutch.
As shown in Figure 7, on driven shaft 12, near energy storage cylinder 7c place dress brake 11, after driven shaft 12 and second clutch 6 disengagements, driven shaft 12 is braked, the wheel of brake 11 is firm to be fixed with energy storage cylinder 7c.
A linkage control device that to a certain amount of rear next energy storage device 7 that is certainly dynamically connected, it is started working in these energy storage device 7 energy storage is set on described each energy storage device 7.Linkage control device is controlled concrete selecting of certain energy storage device, guarantees to only have one group of energy storage device 7 to be connected with driving shaft 10.
As shown in Fig. 6, Fig. 7, Fig. 8, described linkage control device comprises a linked gear 7g, the external tooth engagement of its external tooth and gear ring 7b; Also comprise couple axle 7d, the limit sliding chutes 7e fixing with linked gear 7g, stop nut 7f, and at limit sliding chutes 7e two ends, a limit switch is respectively installed; Also comprise connecting move control system; Described couple axle 7d is screw thread at one section that is positioned at above limit sliding chutes 7e, and stop nut 7f is screwed on this screw thread, and the bottom of stop nut 7f is stuck in limit sliding chutes 7e.
Two limit switches are sensitive switch, once stop nut 7f moves to certain limit switch and touches it in limit sliding chutes 7e, just can start connecting move control system.As shown in Figure 6, one of limit switch is for mono-of energy storage limit switch 7p is for releasing energy limit switch 7n, when energy storage or while releasing energy, limited nut 7f is closed the clutch of the energy storage device of doing on the next one by connecting move control system after touching respectively, simultaneously by the throw-out-of clutch of current energy storage device.
As shown in Fig. 3,5,7, driven shaft 12 and couple axle 7d two ends in driving shaft 10 and each energy storage device 7 are all fixed on support by axle bed 4, axle bed 7a, axle bed 7h, the energy storage cylinder 7c of energy storage device 7 also fixes with support, and Tu Zhongweishi mechanism clarity, does not draw support.
Described wind power apparatus comprises blade 21 and rotor 22, mechanical connection between blade 21 and rotor 22; The below of wind power apparatus is provided with magnetic clutch 23, and magnetic clutch 23 connects wind power apparatus.
Described controller 1 is closed or is thrown off by sky line traffic control magnetic clutch 23, and driving shaft 10 is connected to the rotor of wind power apparatus by driving mechanism.Driving shaft 10 also connects generator.Be convenient to controlled motion mechanical energy energy-storage units 15 energy storage, release and can or close.
The working principle of native system work is as follows:
When mains supply is sufficient, base station is by mains supply, and controller 1 closes 23 by sky line traffic control magnetic clutch and closes, and motion mechanical energy storage unit is connected to wind power apparatus.The blade 21 of wind power apparatus is subject to wind-force effect and rotates, and rotor driven 22 rotates, and rotor 22, by driving mechanism, as belt or gear transmission, drives driving shaft 10 to rotate.The first clutch 3 that driving shaft 10 is connected with gearbox 2 is thrown off.Starting stage, controlling the second clutch 6 being connected with the driven shaft 12 of first energy storage device 7 on driving shaft 10 closes, the driven shaft 12 of this energy storage device 7 synchronously rotates with regard to energy and driving shaft 10, sun gear 7k also synchronously rotates as clockwise rotates, planet wheel 7i rotates counterclockwise, 3 groups of plane scroll spring 7m as shown in Figure 5 due to planet wheel 7i be that coaxial (planet axis 7j) rotates, rotate counterclockwise, it just realizes energy storage object for rundown process.When planetary gears moves, gear ring 7b and then rotates counterclockwise linked gear 7g, and after couple axle 7d rotates, the stop nut 7f on it moves right in limit sliding chutes 7e.When stop nut 7f moves to dotted line position in Fig. 5, and further touch after energy storage limit switch 7p, oneself tightens to illustrated planar volute spring 7m and to a certain degree stores certain energy, the clutch that connecting move control system is controlled second energy storage device immediately beginning energy storage of closing, simultaneously by the no longer energy storage of the throw-out-of clutch of first energy storage device, and control brake 11 clamping driven shafts 12, make it can not rotate backward the energy that plane scroll spring 7m has just been stored and discharge.Process, after second energy storage device is stored into surely, then carries out energy storage from the next energy storage device that is dynamically connected according to this.
When grid cut-off or power shortage, controller 1 controlled motion mechanical energy storage element is connected to generator, utilizes the energy that motion mechanical energy storage releasing device stores to drive generator generating.Controller 1 closes the first clutch being connected with gearbox 2 on driving shaft 10 3, gearbox 2 speed changes, then drive driving shaft 10 to rotate counterclockwise the generating of drive generator.Starting stage, the clutch that the driven shaft of last energy storage device that driving shaft 10 is used during with energy storage is connected closes, well control brake 11 processed loosens driven shaft 12 can rotate it, the driven shaft 12 of this energy storage device synchronously rotates with regard to energy and driving shaft 10, sun gear 7k also synchronously rotates and rotates counterclockwise, and as shown in Figure 4, planet wheel 7i clockwise rotates, 3 groups of plane scroll spring 7m equally rotate counterclockwise with planet wheel 7i, and it loosens process and just realizes that release can object.When planetary gears moves, now gear ring 7b and then clockwise rotates linked gear 7g, and after couple axle 7d rotates, the stop nut 7f on it is moved to the left in limit sliding chutes 7e.When stop nut 7f dotted line position from Fig. 5 is got back to initial position again, and further touch and release after energy limit switch 7n, illustrated planar volute spring 7m has relax to and has to a certain degree discharged certain energy, connecting move control system is controlled immediately the next one clutch of the energy storage device of work is closed and starts to release energy, the throw-out-of clutch of current energy storage device is no longer released to energy simultaneously.Process, when second energy storage device discharges after certain energy, then releases energy from the next energy storage device that is dynamically connected according to this, thereby drives generator operation generating.
The utility model, by mechanical energy energy-storage units, utilizes physical method to realize energy storage, has broken through the limitation of chemical cell.Have that volume is little, expense is low, not high to temperature requirement, safeguard simple, long service life, the feature of efficient, energy-saving and environmental protection.And it is unstable with wind-force size variation to have overcome traditional output power of wind power generation, the drawback that output can not be supplied with according to electricity needs.
Above a kind of wind energy provided by the utility model and mechanical energy electricity generating device are described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, all will change in specific embodiments and applications, for example given just a kind of situation of the present embodiment in accompanying drawing.In sum, this description should not be construed as restriction of the present utility model.
Claims (8)
1. wind energy and a mechanical energy electricity generating device, comprising:
Generator; And control computer, for monitoring and control the real-time status of wind power apparatus, controlled motion mechanical energy storage device is carried out Wind energy storage and energy storing and electricity generating, accepts peak load regulation network instruction, controls power and the time of generating;
It is characterized in that, also comprise wind power apparatus and motion mechanical energy storage unit, described motion mechanical energy storage unit connects wind power apparatus and generator, and then connects electrical network by generator.
2. wind energy according to claim 1 and mechanical energy electricity generating device, it is characterized in that: described motion mechanical energy storage unit, it comprises support, controller and gearbox, also comprise driving shaft, driving shaft is connected with gearbox by first clutch, on driving shaft, also by several second clutches, is installed in parallel the energy storage device of establishing plane scroll spring in several.
3. Wind energy storage according to claim 2 is sent out system, it is characterized in that: described energy storage device comprises driven shaft, plane scroll spring and energy storage cylinder, and by 1 sun gear, 3 planet wheels, 1 planetary gears that gear ring forms; Described sun gear and driven shaft are affixed; Energy storage cylinder is arranged on gear ring outside and supports 3 planet wheels as planet carrier; One or many rhizoplanes volute spring in parallel are respectively set on the position of the planet axis of 3 planet wheels in entering energy storage cylinder; Plane scroll spring one end is connected with planet axis, and the other end connects energy storage cylinder; Driving shaft passes through from the inside of driven shaft, and one end of driven shaft is connected by second clutch with driving shaft.
4. according to the wind energy described in claim 2 or 3 and mechanical energy electricity generating device, it is characterized in that: a linkage control device that to a certain amount of rear next energy storage device that is certainly dynamically connected, it is started working in this energy storage device energy storage is set on described each energy storage device.
5. Wind energy storage according to claim 4 is sent out system, it is characterized in that: described linkage control device comprises a linked gear, the external tooth engagement of its external tooth and gear ring; Also comprise the couple axle fixing with linked gear, limit sliding chutes, stop nut, and at limit sliding chutes two ends, a limit switch is respectively installed; Also comprise connecting move control system; Described couple axle is screw thread at one section that is positioned at above limit sliding chutes, and stop nut is screwed on this screw thread, and the bottom of stop nut is stuck in limit sliding chutes.
6. Wind energy storage according to claim 5 is sent out system, it is characterized in that: described two limit switches are sensitive switch, one of them is energy storage limit switch, another is for releasing energy limit switch, when energy storage or while releasing energy, limited nut is closed the first clutch of next energy storage device and second clutch by connecting move control system after touching respectively, the clutch of current energy storage device and second clutch is thrown off simultaneously.
7. Wind energy storage according to claim 1 is sent out system, it is characterized in that: described wind power apparatus comprises blade and rotor, mechanical connection between blade and rotor; The below of wind power apparatus is provided with magnetic clutch, and magnetic clutch connects controls computer, by controlling computer control magnetic clutch energy storage and generating.
8. according to wind energy and mechanical energy electricity generating device described in claim 2 or 3 or 5, it is characterized in that: wind power apparatus, by driving belt or gear drive, drives described driving shaft to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640388.2U CN203532168U (en) | 2013-10-17 | 2013-10-17 | Wind energy and mechanical energy electricity generation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320640388.2U CN203532168U (en) | 2013-10-17 | 2013-10-17 | Wind energy and mechanical energy electricity generation device |
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| Publication Number | Publication Date |
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| CN203532168U true CN203532168U (en) | 2014-04-09 |
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| CN201320640388.2U Expired - Fee Related CN203532168U (en) | 2013-10-17 | 2013-10-17 | Wind energy and mechanical energy electricity generation device |
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| Country | Link |
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| CN (1) | CN203532168U (en) |
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2013
- 2013-10-17 CN CN201320640388.2U patent/CN203532168U/en not_active Expired - Fee Related
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Granted publication date: 20140409 Termination date: 20141017 |
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