CN203532167U - Energy storing device converting wind power into mechanical energy - Google Patents
Energy storing device converting wind power into mechanical energy Download PDFInfo
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- CN203532167U CN203532167U CN201320640147.8U CN201320640147U CN203532167U CN 203532167 U CN203532167 U CN 203532167U CN 201320640147 U CN201320640147 U CN 201320640147U CN 203532167 U CN203532167 U CN 203532167U
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
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- Y02E10/74—Wind turbines with rotation axis perpendicular to the wind direction
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Abstract
The utility model discloses an energy storing device converting wind power into mechanical energy. The energy storing device comprises a draught fan, an air thrust bearing, an electric generator, an electric converter and a movement mechanical energy storage unit, wherein the draught fan is a perpendicular shaft draught fan and provided with blades and a rotor; the blades are mechanically connected with the rotor; the air thrust bearing is located below the draught fan, is connected with the draught fan, and supports the draught fan; the electric generator is driven by the rotor; the electric converter is connected with the electric generator and controls electricity from the electric generator to be output to an electric system or electric equipment; the movement mechanical energy storage unit is connected with the draught fan and the electric generator and connected to the electric converter through the electric generator. By means of the mechanical energy storage unit, the energy storing device achieves wind power storage by means of a physical method, and breaks through the limitation of a chemical battery. The perpendicular shaft draught fan and the air thrust bearing are adopted; the movement mechanical energy storage unit is adopted to store energy and release the energy, stores the energy firstly, and then generates electricity, electric generation is not affected by the magnitude of wind power, and electric quality is guaranteed. The energy storing device is suitable for electricity utilization of villas, small communities, small microwave communication stations, mobile communication stations and the like.
Description
Technical field
The utility model relates to a kind of wind generating unit, and relating in particular to a kind of wind power transformation is mechanical energy energy storage device.
Background technique
In various distributed generation technologies, wind-power electricity generation, as a kind of safe and reliable clean energy resource, has been subject to the favor of various countries' energy circle.Since early 1990s, the development of wind-power electricity generation is very rapid, and the annual average rate of increase of world's installed capacity of wind-driven power has surpassed 30%.According to estimates, the electric motor power of world's wind-powered electricity generation unit will reach 12.45 hundred million kW to the year two thousand twenty, accounts for 12% of world's power consumption.Therefore, wind energy will be the most promising green energy resource of 21 century, is the main new power source of human social.The China Shi Ji U.S. afterwards second-biggest-in-the-world energy-consuming state, and the coal resources of China are very poor.The wind-power electricity generation cause of developing china, for keeping the growth momentum of China's economic, for protection of the environment, lower coal resources depletion rate and have fairly obvious economy, strategy and social effect.
Wind-power electricity generation is to utilize wind energy to generate electricity, and wind power generating set is the machinery that is electric energy by wind energy transformation.Wind wheel is the topmost parts of wind-powered electricity generation unit, blade and wheel hub, consists of.Blade has good power profile, and under the effect of air-flow, can produce aerodynamic force is wind wheel rotation, is mechanical energy, then drives generator by gear-box speedup by wind energy transformation, and mechanical energy is transformed to electric energy.Then according to specific requirement, needing, by suitable conversion, be stored as chemical energy or grid-connected or be directly load supplying.
As can be seen here, energy storage technology has important effect in wind-power generating system, shows:
In Stand-alone Operation Wind Generation System (wind power generating set is independent of load power supply), because the variation of wind speed has randomness, and the power that blower fan is caught is directly proportional to the quadratic power of wind speed.Therefore, the variation that wind speed is little will cause the larger variation of wind-powered electricity generation unit output power, and while adopting wind-powered electricity generation unit directly to load power supply, the output voltage of wind-powered electricity generation unit and frequency will be all unsettled, and the power supply quality of power supply cannot guarantee.Variation due to wind speed has intermittent feature again, and when wind speed is lower, wind-powered electricity generation unit cannot, to load power supply, make the reliability of power supply also be difficult to guarantee at all.For this reason, in independent operating wind power system, conventionally all must be equipped with certain energy-storage units.Energy-storage units can be when wind energy be more sufficient, the electrical power storage of wind-powered electricity generation unit surplus is got up, when wind energy is not enough, the energy storing in energy storage device is discharged to load power supply, when wind speed is lower while causing wind-powered electricity generation unit cisco unity malfunction, by energy-storage units separately to load power supply.Adopt in this way, just can realize the effective buffering to wind power output power, not only can improve the utilization ratio of wind energy, and improved the reliability of wind-powered electricity generation unit to load power supply.
In the wind-power generating system of actual motion, energy-storage units is selected batteries to store energy conventionally at present.In wind-power generating system, the investment of storage battery is very large, and according to data, the investment of batteries to store energy equipment has accounted for 1/3 left and right of wind power system investment to root.Yet storage battery volume is huge and expensive, its life-span is often shorter again, is only 1/2 of fan life conventionally, and meanwhile, discharging and recharging temperature of storage battery is more responsive, and the rate of fault while frequently discharging and recharging is very high, therefore causes operation maintenance difficulty.In addition, storage battery also can produce and pollute surrounding environment after scrapping.
Model utility content
The utility model, by mechanical energy energy-storage units, utilizes physical method to realize wind energy energy storage, has broken through the limitation of chemical cell, and it is mechanical energy energy storage device that a kind of wind power transformation efficient, energy-saving and environmental protection is provided.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 can not be supplied with according to electricity needs.
In order to solve the problems of the technologies described above, the utility model is solved by following technical proposals:
Wind power transformation is a mechanical energy energy storage device, comprising: blower fan, and described blower fan is vertical shaft fan, with blade and rotor; Described blade is connected with rotor mechanical; Air thrust-bearing, is positioned at blower fan below, connects and supports blower fan; Generator, it is driven by this rotor; Electric power converter, it is electrically connected to this generator, and controls the electric power of the output from described generator to electric power system; Also comprise motion mechanical energy storage unit, described motion mechanical energy storage unit connecting fan and generator, and then be connected to electric power converter by generator.
Further improvement for above technological scheme, 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.
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, rotor, by driving mechanism, drives described driving shaft to rotate.
For the further improvement of above technological scheme, described is driving belt or gear mechanism at driving mechanism.
For the further improvement of above technological scheme, driving shaft also connects generator.
For the further improvement of above technological scheme, described controller connects and controls driving shaft and is connected to generator or/and be connected to rotor, or has both been free of attachment to generator and is also free of attachment to rotor.Be convenient to controlled motion mechanical energy storage element energy storage, release and can or close.
The utility model, by mechanical energy energy-storage units, utilizes physical method to realize wind energy energy storage, has broken through the limitation of chemical cell.Adopt vertical shaft fan, effective wind sectional area >70%, wind-engaging and choke Area Ratio >70%; Adopt air thrust-bearing, reduce vertical axial bearing pressure and resistance; Adopt motion mechanical energy storage unit to store and release energy, first energy storage, then generate electricity, generating is affected by wind-force size no longer, guarantees power quality.Be applicable to villa electricity consumption and small community, small microwave operating office, mobile communication base station etc.
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 the utility model embodiment blower fan structure schematic diagram;
Wherein: 1-controller 1; 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; 9-blower fan; 10-driving shaft; 11-brake; 12-driven shaft; 13-generator; 14-electric power converter; 15-motion mechanical energy energy-storage units; 16-air thrust-bearing; 21-blade; 22-ventilated port; 23-coupling shaft; 24-barge board; 25-rotor.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is described in further detail:
Wind power transformation is a mechanical energy energy storage device, as shown in Figure 1, comprising: blower fan 9; Air thrust-bearing 16, is positioned at blower fan 9 belows, connects and supports blower fan 9; Generator 13, it is driven by this rotor; Electric power converter 14, it is electrically connected to this generator 13, and controls the electric power of the output from described generator 13 to electric power system; Also comprise motion mechanical energy energy-storage units 15, described motion mechanical energy energy-storage units 15 connecting fan 9 and generators, and then be connected to electric power converter 14 by generator.
As shown in Figure 9, described blower fan 9 comprises for bearing the blade 21 of wind-force; The rotor 25 that connects some blades 21; Described blade 21 is provided with a plurality of ventilated ports 22; On described blade 21, be also provided with the barge board 24 suitable with ventilated port 22, described barge board 24 is connected on blade 21 by coupling shaft 23.When ventilated port 22 is covered by barge board 24, blade 21 cannot be ventilative, and the resistance and then the drive rotor 25 that are subject to wind rotate, and realize the effect of blower fan 9.
In figure, lower leaflet 21 is outside wind-engaging, because coupling shaft 23 is fixed on blade 21 inwalls, barge board 24 can only be opened to blade 21 inner sides, barge board 24 is subject to wind-force effect and inwardly launches, ventilated port 22 is opened, wind sees through ventilated port 22 and flows to blade 21 inner sides, reduces the drag effect that lower leaflet 21 is subject to.
In figure, top blade 21 is inner side wind-engaging, because coupling shaft 23 is fixed on blade 21 inwalls, barge board 24 can only be opened to blade 21 inner sides, barge board 24 is subject to wind-force effect and outwards blocks ventilated port 22, because barge board 24 adopts rubber material and area, be greater than ventilated port 22, ventilated port 22 is sealed completely; Top blade 21 is subject to wind-force effect, and then rotor driven 25 rotates.Like this, blade 21 wind-engaging power effects in top are large, and lower leaflet 21 wind-engaging power effects are little, form a moment, windmill without controlling party to having rotated voluntarily.
The below link air thrust-bearing 16 of described rotor 25, reduces vertical axial bearing pressure and resistance.
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.
The rotor 25 of blower fan 9, by driving mechanism, drives described driving shaft 10 to rotate.Described is driving belt or gear mechanism at driving mechanism.Driving shaft 10 also connects generator 13.Described controller 1 is controlled driving shaft 10 and is connected to generator 13 or is connected to rotor 25, or has both been free of attachment to generator 13 and is also free of attachment to rotor.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 wind-force is sufficient, by rotor 25, connect generator 13, controller 1 controlled motion mechanical energy storage element 15 is connected to rotor 25.The blade 21 of blower fan 9 rotor driven 25 under wind-force effect rotates, and by rotating mechanism, as belt or gear transmission, drives driving shaft 10 to rotate.The first clutch 3 that driving shaft 10 is connected with speed reducer 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 wind-force is not enough, controller 1 controlled motion mechanical energy storage element 15 is connected to generator 13, utilizes the energy that motion mechanical energy storage releasing device stores to drive generator generating.Controller 1 closes the first clutch being connected with speed reducer 2 on driving shaft 10 3, gearbox 2 speed changes, then drive driving shaft 10 to rotate counterclockwise 13 generatings 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.
Electric power converter 14 is connected with generator 13, and controls the electric power of the output from described generator 13 to electric power system.
To a kind of wind power transformation provided by the utility model, be that mechanical energy energy storage device is described in detail above, 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 (10)
1. wind power transformation is a mechanical energy energy storage device, comprising:
Blower fan, described blower fan is vertical shaft fan, with blade and rotor; Described blade is connected with rotor mechanical;
Air thrust-bearing, is positioned at blower fan below, connects and supports blower fan;
Generator, it is driven by this rotor;
Electric power converter, it is electrically connected to this generator, and controls from described generator to electric power system or the electric power of consumer output;
It is characterized in that, also comprise motion mechanical energy storage unit, described motion mechanical energy storage unit connecting fan and generator, and then be connected to electric power converter by generator.
2. wind power transformation according to claim 1 is mechanical energy energy storage 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 power transformation according to claim 2 is mechanical energy energy storage device, 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 power transformation described in claim 2 or 3, be mechanical energy energy storage 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 power transformation according to claim 4 is mechanical energy energy storage device, 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 power transformation according to claim 5 is mechanical energy energy storage device, 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. according to the wind power transformation described in claim 2 or 3 or 5, be mechanical energy energy storage device, it is characterized in that: rotor, by driving mechanism, drives described driving shaft to rotate.
8. wind power transformation according to claim 7 is mechanical energy energy storage device, it is characterized in that: described is driving belt or gear mechanism at driving mechanism.
9. according to the wind power transformation described in claim 2 or 3 or 5, be mechanical energy energy storage device, it is characterized in that: driving shaft also connects generator.
10. according to the wind power transformation described in claim 2 or 3 or 5, be mechanical energy energy storage device, it is characterized in that: described controller connects and controls driving shaft and is connected to generator or/and be connected to rotor, or be both free of attachment to generator and be also free of attachment to rotor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201320640147.8U CN203532167U (en) | 2013-10-17 | 2013-10-17 | Energy storing device converting wind power into mechanical energy |
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| CN201320640147.8U CN203532167U (en) | 2013-10-17 | 2013-10-17 | Energy storing device converting wind power into mechanical energy |
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| CN203532167U true CN203532167U (en) | 2014-04-09 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498762A (en) * | 2013-10-17 | 2014-01-08 | 浙江工商大学 | Mechanical energy storage wind turbine system |
| CN114427593A (en) * | 2021-12-13 | 2022-05-03 | 中国石油化工股份有限公司 | Flexible mechanical energy storage method |
-
2013
- 2013-10-17 CN CN201320640147.8U patent/CN203532167U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103498762A (en) * | 2013-10-17 | 2014-01-08 | 浙江工商大学 | Mechanical energy storage wind turbine system |
| CN103498762B (en) * | 2013-10-17 | 2016-09-28 | 浙江工商大学 | Mechanical energy storage wind turbine system |
| CN114427593A (en) * | 2021-12-13 | 2022-05-03 | 中国石油化工股份有限公司 | Flexible mechanical energy storage method |
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Granted publication date: 20140409 Termination date: 20141017 |
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