CN102122860B - Flywheel energy storage device - Google Patents
Flywheel energy storage device Download PDFInfo
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- CN102122860B CN102122860B CN2011100386376A CN201110038637A CN102122860B CN 102122860 B CN102122860 B CN 102122860B CN 2011100386376 A CN2011100386376 A CN 2011100386376A CN 201110038637 A CN201110038637 A CN 201110038637A CN 102122860 B CN102122860 B CN 102122860B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C39/00—Relieving load on bearings
- F16C39/06—Relieving load on bearings using magnetic means
- F16C39/063—Permanent magnets
- F16C39/066—Permanent magnets with opposing permanent magnets repelling each other
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/55—Flywheel systems
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a flywheel energy storage device. The device comprises a flywheel body of a vertical structure, upper bearings, lower bearings and motors, wherein an upper transmission shaft of the flywheel body is matched with the upper bearings; a lower transmission shaft of the flywheel body is matched with the lower bearings; and the motors are connected at one end of the flywheel body. The device is characterized in that the device also comprises permanent magnet bearings; upper magnet rings of the permanent magnet bearings are fixed on the lower end face of the flywheel body; lower magnet rings of the permanent magnet bearings are fixed on lower bearing fixing plates; the upper magnet rings correspond to the lower magnet rings; axial gaps exist between the upper magnet rings and the lower magnet rings; stators of the motors are arranged above rotors of the motors; the stators of the motors are fixed on a rack; the rotors of the motors are fixed on the upper end face of the flywheel body; the stators correspond to the rotors; and axial gaps exist between the stators and the rotors. The flywheel energy storage device with the structure has small volume and simultaneously has anti-overturning capability, thus being conductive to reducing the bearing capacity of the bearings.
Description
Technical field
The invention belongs to the power storage technical field, specifically, what relate to is a kind of energy accumulation device for fly wheel.
Background technology
Energy accumulation device for fly wheel positive excess at a high speed, high-power future development, it is increasing that the volume of flywheel is just becoming.But from domestic and international technical market, energy accumulation device for fly wheel still uses the motor of radial air gap widely, should see that the radial air gap motor volume is large, this has just increased all the more the volume of large capacity accumulated energy flywheel device, therefore, the volume that how to reduce large capacity accumulated energy flywheel is one of key technology of flywheel research and development.Simultaneously, from support pattern, electromagnetic suspension bearing, super-conductive magnetic suspension bearing, permanent-magnet suspension bearing etc. have become the main flow support pattern of energy accumulation device for fly wheel.Although above support pattern has satisfied high rotating speed and the low-power consumption requirement of accumulated energy flywheel to a certain extent, but also brought comparatively distinct issues: the TT﹠C system of electromagnetic suspension bearing is complicated, maintenance cost is higher, magnetic bearing itself also needs power supply in addition, the integral energy conversion efficiency that this has just reduced flywheel energy storage system has reduced the energy storage cost performance; Hts magnetic levitation bearing need to make up low temperature environment, has increased significantly operating cost, causes equally the integral energy conversion efficiency of flywheel energy storage system to descend; The inhibition ability that permanent-magnet suspension bearing encourages to external world is relatively poor, depends merely on permanent-magnet suspension bearing itself and can't realize full suspension.
Summary of the invention
Technical problem:Technical problem to be solved by this invention is: a kind of energy accumulation device for fly wheel is provided, and this energy accumulation device for fly wheel has the little advantage of volume, and the bearing in this device is axially little with the bearing pressure that directly makes progress.
Technical scheme:For solving the problems of the technologies described above, the technical solution used in the present invention is:
Energy accumulation device for fly wheel of the present invention, comprise the flywheel body of uploading moving axis and lower drive shaft that is provided with that adopts vertical structure, upper bearing (metal), lower bearing and motor, the flywheel body upload moving axis and upper bearing (metal) matches, lower drive shaft and the lower bearing of flywheel body match, motor is connected to an end of flywheel body, also comprise Permanent-magnet bearing, the upper magnetic ring of Permanent-magnet bearing is fixed on the lower surface of flywheel body, the lower magnet ring of Permanent-magnet bearing is fixed on the lower bearing fixed head, and, the upper magnetic ring of Permanent-magnet bearing is mutually corresponding with the lower magnet ring of Permanent-magnet bearing, between the lower magnet ring of the upper magnetic ring of Permanent-magnet bearing and Permanent-magnet bearing end play is arranged; The stator of described motor is positioned at the top of the rotor of motor, the stator of motor is fixed on the frame, and the rotor of motor is fixed on the upper surface of flywheel body, and, the stator of motor is mutually corresponding with the rotor of motor, between the stator of motor and the rotor of motor end play is arranged.
Described upper bearing (metal) is upper hybrid ceramic ball bearing, and the described moving axis of uploading is upper elastic shaft, and upper elastic shaft is stepped; The partial fixing that diameter is larger in the upper surface of described flywheel body and the upper elastic shaft is connected, and the part that diameter is less in the upper elastic shaft is embedded in the inner surface of hybrid ceramic ball bearing; Described lower bearing is lower hybrid ceramic ball bearing, and described lower drive shaft is lower elastic shaft, and lower elastic shaft is multidiameter; The partial fixing that diameter is larger in the lower surface of described flywheel body and the lower elastic shaft is connected, and the less part of diameter is embedded in the inner surface of lower hybrid ceramic ball bearing in the lower elastic shaft.
Described energy accumulation device for fly wheel also comprises the elasticity mouse cage, and the elasticity mouse cage is arranged in the pit on lower bearing fixed head top, and the elasticity mouse cage is fixedly connected with the lower bearing fixed head; Fill lubricating oil in the pit on lower bearing fixed head top; The inner surface of the outer surface of described lower hybrid ceramic ball bearing and elasticity mouse cage matches.
Beneficial effect:Compared with prior art, adopt the beneficial effect of technical solution of the present invention to be: 1. the energy accumulation device for fly wheel volume is little, has simultaneously resistance to capsizing, helps to reduce the bearing capacity of bearing.In the technical program, the arrangement of motor on energy accumulation device for fly wheel is to adopt the axial air-gap mode.Commonly used is the arrangement that motor is adopted radial air gap at energy accumulation device for fly wheel at present.Compare with the motor of radial air gap, the technical advantage of the motor of axial air-gap is: the motor axial dimension of the axial air-gap of equal power will be much smaller than the motor of radial air gap, and the volume of whole like this energy accumulation device for fly wheel reduces with regard to corresponding.Simultaneously, the motor of axial air-gap can be used as the auxiliary bearing of flywheel body, has certain axial carrying capacity and bearing capacity radially.Can guarantee that at the Permanent-magnet bearing below the flywheel body stator of motor and the distance between the rotor are positioned within the operating distance.Simultaneously, Permanent-magnet bearing also has resistance to capsizing, is the lower bearing unloading, helps to reduce the bearing capacity of lower bearing.
2. reduce the friction power loss of bearing.In the technical program, upper bearing (metal) and lower bearing all adopt hybrid ceramic ball bearing.Compare with the bearing of other materials, hybrid ceramic ball bearing can reduce the friction power loss of bearing, prolongs the useful life of bearing.
3. whole energy accumulation device for fly wheel passes through critical whirling speed smoothly reposefully.In the technical program, the upper surface of flywheel body is fixedly connected with the larger part of diameter in the elastic shaft, and the less part of middle diameter of upper elastic shaft is embedded in the inner surface of hybrid ceramic ball bearing.The lower surface of flywheel body is fixedly connected with the larger part of diameter in the lower elastic shaft, and the less part of diameter is embedded in the inner surface of lower hybrid ceramic ball bearing in the lower elastic shaft, and lower hybrid ceramic ball bearing is arranged in the elasticity mouse cage.According to the quality of flywheel body, reasonably choose length and the diameter of elastic shaft and lower elastic shaft, the geometric parameter of design flexibility mouse cage makes the first critical speed of energy accumulation device for fly wheel far below working speed, forms flexible flywheel rotor device.The energy accumulation device for fly wheel of this structure can obtain the reasonable layout of combined critical speed so that flywheel by behind the lower first critical speed with self-centering, be implemented in the stable operation in the wide range speed scope under the second order critical whirling speed.
4. the long service life of hybrid ceramic ball bearing.In the technical program, the motor of axial air-gap and Permanent-magnet bearing be the radial load of reducing effect on hybrid ceramic ball bearing significantly.Because useful life of hybrid ceramic ball bearing is radial load cube function, so the technical program can prolong hybrid ceramic ball bearing useful life significantly.
Simple in structure, cost is low, be easy to safeguard.Compare the technical advantage that the flexible hybrid ceramic ball bearing energy accumulation device for fly wheel that the technical program adopts has is simple in structure, cost is low, be easy to safeguard with electromagnetic suspension bearing, the super-conductive magnetic suspension bearing flywheel device of current popular.
Description of drawings
Fig. 1 is structure cutaway view of the present invention.
Fig. 2 is the Permanent-magnet bearing upper magnetic ring upward view among the present invention.
Have among the figure: the upper magnetic ring 8 of the stator 5 of upper bearing (metal) fixed head 1, upper retainer ring 2, upper hybrid ceramic ball bearing 3, upper elastic shaft 4, motor, the rotor 6 of motor, flywheel body 7, Permanent-magnet bearing, the lower magnet ring 9 of Permanent-magnet bearing, lower bearing fixed head 10, vacuum tank 11, lower elastic shaft 12, lubricating oil 13, lower retainer ring 14, lower hybrid ceramic ball bearing 15, elasticity mouse cage 16, ring plate 801.
Embodiment
As shown in Figure 1: a kind of energy accumulation device for fly wheel of the present invention comprises flywheel body 7, upper bearing (metal), lower bearing, motor and the Permanent-magnet bearing of uploading moving axis and lower drive shaft that be provided with that adopts vertical structure.Flywheel body 7 adopts metal material to make.So-called vertical structure is vertical line with regard to the axis that refers to flywheel body 7.Motor both can have been worked as motor drives flywheel body 7 and rotated, and converted electrical energy into kinetic energy, also can work as generator, and the kinetic energy of the flywheel body 7 of High Rotation Speed is converted to electric energy.The upper surface of flywheel body 7 is fixedly connected with uploads moving axis, and this is uploaded moving axis and matches with upper bearing (metal).The lower surface of flywheel body 7 is fixedly connected with lower drive shaft, and this lower drive shaft matches with lower bearing.Flywheel body 7 is between upper bearing (metal) and lower bearing.The upper magnetic ring 8 of Permanent-magnet bearing is fixed on the lower surface of flywheel body 7, the lower magnet ring 9 of Permanent-magnet bearing is fixed on the lower bearing fixed head 10, and, the upper magnetic ring 8 of Permanent-magnet bearing is mutually corresponding with the lower magnet ring of Permanent-magnet bearing 9, between the upper magnetic ring 8 of Permanent-magnet bearing and the lower magnet ring 9 of Permanent-magnet bearing end play is arranged.The upper magnetic ring 8 of Permanent-magnet bearing and the lower magnet ring 9 of Permanent-magnet bearing have formed a Permanent-magnet bearing jointly.The stator 5 of motor is fixed on the frame, and the rotor 6 of motor is fixed on the upper surface of flywheel body 7, and the stator 5 of motor is mutually corresponding with the rotor of motor 6.Between the stator 5 of motor and the rotor 6 of motor end play is arranged.
The energy accumulation device for fly wheel of said structure is arranged on the Permanent-magnet bearing of flywheel body 7 belows, can guarantee that the distance between the rotor 6 of the stator 5 of motor and motor is positioned within the operating distance.Initial when electrical power, the stator 5 of motor is too far away with the distance of the rotor 6 of motor, can not work.Permanent-magnet bearing can guarantee that the distance between the rotor 6 of the stator 5 of motor and motor is positioned within the operating distance, makes the motor normal operation.Simultaneously, Permanent-magnet bearing can provide certain axial rigidity, has resistance to capsizing, reduces the axial load on the energy accumulation device for fly wheel bearing.The arrangement of motor on energy accumulation device for fly wheel is to adopt the axial air-gap mode.Commonly used is the arrangement that motor is adopted radial air gap at energy accumulation device for fly wheel at present.The arrangement of radial air gap is that the rotor with motor is fixed on uploading on moving axis or the lower drive shaft of flywheel body, and the stator of motor is fixed on upper bearing (metal) fixed head or the lower bearing fixed head.Compare with the motor of radial air gap, the technical advantage of the motor of axial air-gap is: the motor axial dimension of the axial air-gap of equal power will be much smaller than the motor of radial air gap, and the volume of whole like this energy accumulation device for fly wheel reduces with regard to corresponding.Simultaneously, the motor of axial air-gap can be used as the auxiliary bearing of flywheel body, has certain axial carrying capacity and bearing capacity radially.Because the motor of axial air-gap and the acting in conjunction of Permanent-magnet bearing, lay down most of load of flywheel body 7, significantly reduce the axial load of lower bearing, can reach and reduce friction, the effect of reduction power consumption and life-saving.
Further, as shown in Figure 2, the upper magnetic ring 8 of described Permanent-magnet bearing be by the identical ring plate of eight block sizes 801 along the annulus of circumferentially lining up, and the S utmost point of every ring plate 801 is from the top down or is from bottom to top to the sensing of the N utmost point.The S utmost point of every ring plate 801 is from the top down or is from bottom to top to the sensing of the N utmost point, that is to say the corresponding one side of lower magnet ring 9 of ring plate 801 and Permanent-magnet bearing, is the N utmost point or is the S utmost point.Upper magnetic ring 8 does not adopt integral type, but the annulus that is formed by the identical ring plate 801 of eight block sizes.Like this can the hoop tension stress of decrease magnetic material when high speed rotating, guarantee the hoop intensity of the upper magnetic ring 8 of Permanent-magnet bearing, thereby guarantee that under high rotating speed large-sized Permanent-magnet bearing still can stable operation.
Further, upper bearing (metal) and lower bearing all adopt hybrid ceramic ball bearing.Upper bearing (metal) is upper hybrid ceramic ball bearing 3.Uploading moving axis is upper elastic shaft 4.Upper elastic shaft 4 is multidiameters.Upper elastic shaft 4 comprises two sections axles that diameter is different.The partial fixing that diameter is larger in the upper surface of flywheel body 7 and the upper elastic shaft 4 is connected, and the less part of diameter is embedded in the inner surface of hybrid ceramic ball bearing 3 in the upper elastic shaft 4.Lower bearing is lower hybrid ceramic ball bearing 15.Lower drive shaft is lower elastic shaft 12, and lower elastic shaft 12 also is multidiameter.Lower elastic shaft 12 comprises two sections axles that diameter is different.The partial fixing that diameter is larger in the lower surface of flywheel body 7 and the lower elastic shaft 12 is connected, and the less part of diameter is embedded in the inner surface of lower hybrid ceramic ball bearing 15 in the lower elastic shaft 12.Adopt hybrid ceramic ball bearing, can significantly reduce the friction power loss of bearing.Wherein, adopt matched in clearance between upper elastic shaft 4 and the upper hybrid ceramic ball bearing 3, and, the end face of the part that diameter is larger in the upper elastic shaft 4 to the distance of upper bearing (metal) fixed head 1 bottom surface less than the end play between the rotor 6 of the stator 5 of motor and motor.The end face of the part that diameter is larger in the upper elastic shaft 4 is to the distance between upper bearing (metal) fixed head 1 bottom surface, the T that namely indicates among Fig. 1.The end face of the part that diameter is larger in the upper elastic shaft 4 is to the distance of upper bearing (metal) fixed head 1 bottom surface, less than the end play between the rotor 6 of the stator 5 of motor and motor, the damage that can alleviate even avoid the collision that in transportation or assembling process, occurs that motor is caused.
Further, described energy accumulation device for fly wheel also comprises elasticity mouse cage 16, and elasticity mouse cage 16 is arranged in the pit on lower bearing fixed head 10 tops, and elasticity mouse cage 16 is fixedly connected with lower bearing fixed head 10; Fill lubricating oil 13 in the pit on lower bearing fixed head 10 tops.The inner surface of the outer surface of described lower hybrid ceramic ball bearing 15 and elasticity mouse cage 16 matches.Lubricating oil 13, elasticity mouse cage 16 and squeeze film damper of lower hybrid ceramic ball bearing 15 common compositions.After assembling, lower hybrid ceramic ball bearing 15 is immersed in the lubricating oil 13.Can guarantee that so whole flywheel passes through critical whirling speed smoothly reposefully.Flywheel body 7 is bearing on the hybrid ceramic ball bearing that pair of horns contacts by upper elastic shaft 4 and lower elastic shaft 12.According to the quality of flywheel body 7, reasonably choose length and the diameter of elastic shaft 4 and lower elastic shaft 12, the geometric parameter of design flexibility mouse cage 16 makes the first critical speed of energy accumulation device for fly wheel far below working speed, forms flexible flywheel rotor device.The energy accumulation device for fly wheel of this structure can obtain the reasonable layout of combined critical speed so that flywheel by behind the lower first critical speed with self-centering, be implemented in the stable operation in the wide range speed scope under the second order critical whirling speed.
Further, energy accumulation device for fly wheel also comprises lower retainer ring 14, and lower retainer ring 14 is embedded in the elasticity mouse cage 16, and, touch mutually the bottom surface, outer ring of the end face of lower retainer ring 14 and lower hybrid ceramic ball bearing 15, and touch mutually the inwall bottom surface of the bottom surface of lower retainer ring 14 and elasticity mouse cage 16.Lower retainer ring 14 can play position-limiting action.Because the restriction of lower retainer ring 14, the following hybrid ceramic ball bearing 15 of institute can not move down when work, guarantees the safe operation of whole energy accumulation device for fly wheel.
Further, described energy accumulation device for fly wheel also comprises retainer ring 2, and upper retainer ring 2 is coaxial with flywheel body 7, and upper retainer ring 2 is embedded on the inwall of upper bearing (metal) fixed head 1, and the bottom surface of upper retainer ring 2 is tactile mutually with the outer ring end face of upper hybrid ceramic ball bearing 3.The axial location that retainer ring 2 can be used for fixing upper bearing (metal) is set, and is beneficial to the dismounting upper bearing (metal).
Further, described flywheel body 7, upper bearing (metal), lower bearing and motor are arranged in vacuum tank 11.Be arranged in the vacuum tank 11, can reduce the windage loss in the whole energy accumulation device for fly wheel running.
Claims (7)
1. energy accumulation device for fly wheel, comprise the flywheel body (7) of uploading moving axis and lower drive shaft that is provided with that adopts vertical structure, upper bearing (metal), lower bearing and motor, flywheel body (7) upload moving axis and upper bearing (metal) matches, lower drive shaft and the lower bearing of flywheel body (7) match, motor is connected to an end of flywheel body (7), it is characterized in that, also comprise Permanent-magnet bearing, the upper magnetic ring of Permanent-magnet bearing (8) is fixed on the lower surface of flywheel body (7), the lower magnet ring (9) of Permanent-magnet bearing is fixed on the lower bearing fixed head (10), and, the upper magnetic ring of Permanent-magnet bearing (8) is mutually corresponding with the lower magnet ring (9) of Permanent-magnet bearing, between the lower magnet ring (9) of the upper magnetic ring of Permanent-magnet bearing (8) and Permanent-magnet bearing end play is arranged;
The stator of described motor (5) is positioned at the top of the rotor (6) of motor, the stator of motor (5) is fixed on the frame, the rotor of motor (6) is fixed on the upper surface of flywheel body (7), and, the stator of motor (5) is mutually corresponding with the rotor (6) of motor, between the rotor (6) of the stator of motor (5) and motor end play is arranged;
The upper magnetic ring of described Permanent-magnet bearing (8) be by the identical ring plate of eight block sizes (801) along the annulus circumferentially lined up, and the S utmost point of every ring plate (801) is from the top down or is from bottom to top to the sensing of the N utmost point.
2. according to energy accumulation device for fly wheel claimed in claim 1, it is characterized in that described upper bearing (metal) is upper hybrid ceramic ball bearing (3), the described moving axis of uploading is upper elastic shaft (4), and upper elastic shaft (4) is stepped; The partial fixing that diameter is larger in the upper surface of described flywheel body (7) and the upper elastic shaft (4) is connected, and the middle less part of diameter of upper elastic shaft (4) is embedded in the inner surface of hybrid ceramic ball bearing (3); Described lower bearing is lower hybrid ceramic ball bearing (15), and described lower drive shaft is lower elastic shaft (12), and lower elastic shaft (12) is multidiameter; The partial fixing that diameter is larger in the lower surface of described flywheel body (7) and the lower elastic shaft (12) is connected, and the middle less part of diameter of lower elastic shaft (12) is embedded in the inner surface of lower hybrid ceramic ball bearing (15).
3. according to energy accumulation device for fly wheel claimed in claim 2, it is characterized in that, also comprise elasticity mouse cage (16), elasticity mouse cage (16) is arranged in the pit on lower bearing fixed head (10) top, and elasticity mouse cage (16) is fixedly connected with lower bearing fixed head (10); Fill lubricating oil (13) in the pit on lower bearing fixed head (10) top; The inner surface of the outer surface of described lower hybrid ceramic ball bearing (15) and elasticity mouse cage (16) matches.
4. according to energy accumulation device for fly wheel claimed in claim 3, it is characterized in that, be matched in clearance between described upper elastic shaft (4) and the upper hybrid ceramic ball bearing (3), and, the end face of the part that diameter is larger in the upper elastic shaft (4) to the distance of upper bearing (metal) fixed head (1) bottom surface less than the end play between the rotor (6) of the stator (5) of motor and motor.
5. according to energy accumulation device for fly wheel claimed in claim 4, it is characterized in that, also comprise lower retainer ring (14), lower retainer ring (14) is embedded in the elasticity mouse cage (16), and, touch mutually the bottom surface, outer ring of the end face of lower retainer ring (14) and lower hybrid ceramic ball bearing (15), and touch mutually the inwall bottom surface of the bottom surface of lower retainer ring (14) and elasticity mouse cage (16).
6. according to energy accumulation device for fly wheel claimed in claim 5, it is characterized in that, also comprise retainer ring (2), upper retainer ring (2) is embedded on the inwall of upper bearing (metal) fixed head (1), and the bottom surface of upper retainer ring (2) is tactile mutually with the outer ring end face of upper hybrid ceramic ball bearing (3).
7. according to energy accumulation device for fly wheel claimed in claim 6, it is characterized in that also comprise vacuum tank (11), described flywheel body (7), upper bearing (metal), lower bearing and motor are arranged in vacuum tank (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100386376A CN102122860B (en) | 2011-02-16 | 2011-02-16 | Flywheel energy storage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011100386376A CN102122860B (en) | 2011-02-16 | 2011-02-16 | Flywheel energy storage device |
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| Publication Number | Publication Date |
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| CN102122860A CN102122860A (en) | 2011-07-13 |
| CN102122860B true CN102122860B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011100386376A Expired - Fee Related CN102122860B (en) | 2011-02-16 | 2011-02-16 | Flywheel energy storage device |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037975A (en) * | 2014-07-01 | 2014-09-10 | 成都浩生钢铁有限公司 | Low-loss flywheel energy storage device |
| US10840737B2 (en) | 2014-07-04 | 2020-11-17 | Teraloop Oy | System and method for storing high capacity electric energy |
| CN112054542B (en) * | 2020-07-24 | 2022-02-22 | 沈阳微控新能源技术有限公司 | Flywheel energy storage device with adjustable auxiliary bearing mechanism |
| CN112117861B (en) * | 2020-09-08 | 2021-08-31 | 华中科技大学 | Flywheel energy storage motor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6727616B1 (en) * | 2000-11-08 | 2004-04-27 | Christopher W. Gabrys | Flywheel energy storage system with quill stabilizer |
| CN101409478A (en) * | 2007-10-10 | 2009-04-15 | 孙昊天 | Permanent magnetism levitation energy-storing flywheel system |
| CN101420150A (en) * | 2008-11-28 | 2009-04-29 | 东南大学 | Energy accumulation device for fly wheel |
| CN201570937U (en) * | 2009-12-01 | 2010-09-01 | 天津荣亨集团股份有限公司 | Body structure of fly wheel power accumulator |
| CN101917087A (en) * | 2010-07-22 | 2010-12-15 | 南京工业大学 | Magnetic suspension flywheel energy storage device with suspension/energy storage integrated flywheel |
| CN201956795U (en) * | 2011-02-16 | 2011-08-31 | 东南大学 | Flywheel energy storage device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11150911A (en) * | 1997-11-12 | 1999-06-02 | Nippon Seiko Kk | Flywheel energy storage |
-
2011
- 2011-02-16 CN CN2011100386376A patent/CN102122860B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6727616B1 (en) * | 2000-11-08 | 2004-04-27 | Christopher W. Gabrys | Flywheel energy storage system with quill stabilizer |
| CN101409478A (en) * | 2007-10-10 | 2009-04-15 | 孙昊天 | Permanent magnetism levitation energy-storing flywheel system |
| CN101420150A (en) * | 2008-11-28 | 2009-04-29 | 东南大学 | Energy accumulation device for fly wheel |
| CN201570937U (en) * | 2009-12-01 | 2010-09-01 | 天津荣亨集团股份有限公司 | Body structure of fly wheel power accumulator |
| CN101917087A (en) * | 2010-07-22 | 2010-12-15 | 南京工业大学 | Magnetic suspension flywheel energy storage device with suspension/energy storage integrated flywheel |
| CN201956795U (en) * | 2011-02-16 | 2011-08-31 | 东南大学 | Flywheel energy storage device |
Non-Patent Citations (1)
| Title |
|---|
| JP平11-150911A 1999.06.02 |
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