CN101409478B - Permanent magnetism levitation energy-storing flywheel system - Google Patents
Permanent magnetism levitation energy-storing flywheel system Download PDFInfo
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- CN101409478B CN101409478B CN2007101573852A CN200710157385A CN101409478B CN 101409478 B CN101409478 B CN 101409478B CN 2007101573852 A CN2007101573852 A CN 2007101573852A CN 200710157385 A CN200710157385 A CN 200710157385A CN 101409478 B CN101409478 B CN 101409478B
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- permanent magnet
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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
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
- F16C32/0408—Passive magnetic bearings
- F16C32/0423—Passive magnetic bearings with permanent magnets on both parts repelling each other
- F16C32/0429—Passive magnetic bearings with permanent magnets on both parts repelling each other for both radial and axial load, e.g. conical magnets
- F16C32/0431—Passive magnetic bearings with permanent magnets on both parts repelling each other for both radial and axial load, e.g. conical magnets with bearings for axial load combined with bearings for radial load
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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)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
The invention discloses a permanent magnetic suspension energy-storage flywheel system with adjustable output power of a generator, mainly consisting of a vacuum box, a shaft, a flywheel rotor, an end bearing, a radial bearing, a motor, a transmission mechanism, a control device and the like; as the permanent magnetic suspension bearing is used for supporting and the motor coil winding forms complete coincidence, partial coincidence or no coincidence with the rotor permanent magnet by sliding in the axial direction, the output power of the motor in the energy-storage flywheel is changed within 0-100%, the empty load power consumption is obviously reduced and the energy resource is saved; the upper end surface and the lower end surface of the flywheel rotor are provided with a plurality of groups of end surface bearings which consist of concentric rings, run stably and has strong adaptability to the environment; furthermore, as the cylinder body of the vacuum box is internally provided with ring-shaped safety parts, thus improving the running safety of the energy-storage flywheel; if the permanent magnetic suspension energy-storage flywheel system is applied to the automobile field, the existing gasoline automobiles can be replaced, and people live in a green environment without pollution.
Description
Technical field
The present invention relates to a kind of permanent magnetism levitation energy-storing flywheel system, particularly relate to the adjustable permanent magnetism levitation energy-storing flywheel system of a kind of output of a generator.
Background technology
Along with the progress of society and the continuous development of science and technology; People more and more is paid close attention to energy savings and protection environment; For this reason, people have studied multiple energy storage mode, and chemical storage batteries energy storage, fuel cell energy storage, superconducting energy storage etc. are arranged; But flywheel energy storage because pollution-free, efficient is high, the life-span is long, characteristics such as easy to use, received widely and having favored.It can be widely used in fields such as electric automobile, Aero-Space, peak load regulation network, uninterrupted power supply, is a kind of very promising energy storage device.The energy accumulation device for fly wheel that adopts at present generally is made up of flywheel, axle, bearing, motor, vacuum tank, control device etc., but because the bearings poor stability; Power output is non-adjustable, and no-load loss is bigger.Therefore, the accumulated energy flywheel structure awaits improving.
Summary of the invention
The technical problem that the present invention will solve is on the basis of above-mentioned accumulated energy flywheel, to provide a kind of bearings reliable, and output of a generator is adjustable, can be installed in the fixed location and also can be installed in the permanent magnetism levitation energy-storing flywheel system on the various vehicles.
In order to solve the problems of the technologies described above, the present invention mainly is made up of vacuum tank, axle, flywheel rotor, end bearing, journal bearing, motor, transmission mechanism, control device etc.; Said vacuum tank is made up of cylindrical shell, loam cake, lower cover; Also can cylindrical shell and loam cake or cylindrical shell and lower cover be made of one; Barrel at said vacuum tank is equipped with annular safety component, when flywheel rotor damages, is used to absorb energy, and this safety component can be made of one with cylindrical shell; Said end bearing is positioned at the two ends up and down of flywheel rotor, and respectively by the permanent magnet that is embedded in loam cake, base be embedded in flywheel rotor corresponding composition of permanent magnet of both ends of the surface up and down, and polarity is relative; Be that the N utmost point and N are extremely relative; Or the S utmost point is extremely relative with S, and this permanent magnet is that annular arranges that annulus is concentric with flywheel rotor; Donut for one or more groups different-diameter; And the polarity of permanent magnet outer surface is opposite on the neighboring concentric annulus, and this end bearing adopts the Fe-B rare-earth permanent magnet material manufacture, and there is anti oxidation layer on the surface; After also can permanent magnet being installed, be coated with non-conductive oxidation-resistant material at the permanent magnet exposed surface; Said journal bearing is positioned at the two ends of flywheel rotor centre bore, and forms the magnet ring group by the permanent magnet that is embedded on the axle with the permanent magnet correspondence that is embedded on the flywheel rotor centre bore respectively, and polarity is relative; Be that the N utmost point and N are extremely relative; Or the S utmost point is extremely relative with S, and this permanent magnet is one or more groups magnet ring, and the surface polarity of two adjacent groups permanent magnet is opposite; This journal bearing adopts the Nd-Fe-B rare earth permanent magnetic material manufacturing, and there is anti oxidation layer on the surface; After also can magnet being installed, be coated with non-conductive oxidation-resistant material at the magnet exposed surface; Said motor is made up of rotor permanent magnet that is embedded in the flywheel rotor centre bore and the coil windings stator that is installed on the axle, and is the integrative-structure of generator and motor, by control device control generating or charging; This rotor permanent magnet is between two groups of journal bearings, and rotor permanent magnet is by the Nd-Fe-B rare earth permanent magnetic material manufacturing, and there is anti oxidation layer on the surface; After also can magnet being installed, be coated with non-conductive oxidation-resistant material at the magnet exposed surface; The coil windings stator is corresponding with rotor permanent magnet, and between coil windings stator and axle, fairlead is housed; In the centre bore of said axle transmission mechanism is housed also, this transmission mechanism drives fairlead and is in axial sliding along axle together with coil winding stator, and realizes overlapping fully, partially overlap, not overlapping with rotor permanent magnet; Said axle can be structure as a whole with base, also can axle be directly installed on the following of vacuum tank and cover, and can base and lower cover be made of one; Vacuum transducer and vacuum valve are housed on the cylindrical shell of said vacuum tank, can also connect the vacuum unit on the vacuum valve.
The present invention is owing to adopted the permanent-magnet suspension bearing support; And motor coil winding stator slides vertically to form fully with rotor permanent magnet and situation such as overlaps, partially overlaps, do not overlap; The power output that makes motor in the accumulated energy flywheel is 0～100% variation; And significantly reduced no-load power consumption, practiced thrift the energy; The both ends of the surface up and down of flywheel rotor are designed with the end face bearing that many group donuts are formed, and running steadily, and is strong to environmental suitability; And, improved the fail safe of accumulated energy flywheel operation in the cylindrical shell of vacuum tank because the safety component of annular is housed.The present invention does not receive the restriction of installation position, can be installed in arbitrary orientation, as applies the present invention to automotive field, will substitute existing gasoline automobile, and that people will live in will be pollution-free, in the environment of environmental protection.
Description of drawings
Accompanying drawing 1 is a generalized section of the present invention.
Accompanying drawing 2 is I place partial enlarged drawings of Fig. 1 of the present invention.
Accompanying drawing 3 is relative position figure of end bearing permanent magnet of the present invention.
Accompanying drawing 4 is relative position figure of journal bearing permanent magnet of the present invention.
Accompanying drawing 5 is generalized sections of other a kind of mounting means of permanent magnet of the present invention.
Accompanying drawing 6 is the partial enlarged drawings at the II place of Fig. 5 of the present invention.
Embodiment
Can find out that by Fig. 1, Fig. 2, Fig. 3, Fig. 4 the present invention mainly is made up of vacuum tank 1, axle 2, flywheel rotor 3, end bearing 4,5, journal bearing 6,7, motor 8, transmission mechanism 9, control device 10 etc.; Said vacuum tank is by cylindrical shell 11; Loam cake 12, lower cover 13 are formed, and also can cylindrical shell 11 and loam cake 12 or cylindrical shell 11 be made of one with lower cover 13, and the safety component 14 of annular is housed in cylindrical shell 11 inside of said vacuum tank 1; This safety component 14 can be made of one with cylindrical shell 11; And adopt material such as graphite to make, to absorb flywheel rotor 3 energy when broken, guaranteed the safety of vacuum tank 1; Said end bearing 4,5 is positioned at the two ends up and down of flywheel rotor 3; And respectively by the permanent magnet that is embedded in loam cake 12, base 15 16,17 be embedded in corresponding compositions of permanent magnet 18,19 of flywheel rotor both ends of the surface about in the of 3, and polarity is relative, and promptly the N utmost point and N are extremely relative; Or the S utmost point is extremely relative with S; Said permanent magnet 16,17,18,19 is respectively annular and arranges that annulus is concentric with flywheel rotor 3, and permanent magnet 16,17,18,19 is respectively the donut of one or more groups different-diameter; And the polarity of the permanent magnet outer surface on the neighboring concentric annulus is opposite; The permanent magnet 16,17,18,19 of said end bearing 4,5 adopts the Nd-Fe-B rare earth permanent magnetic material manufacturings, and there is anti oxidation layer on the surface, and is oxidized to prevent permanent magnet 16,17,18,19; Said journal bearing 6,7 is positioned at the two ends of flywheel rotor 3 centre bores; And form the magnet ring group by permanent magnet 22,23 correspondences that are embedded in the permanent magnet 20,21 on the axle 2 and be embedded on flywheel rotor 3 centre bores respectively, and polarity is relative, and promptly the N utmost point and N are extremely relative; Or the S utmost point is extremely relative with S; Said permanent magnet 20,21,22,23 is respectively one or more groups magnet ring, and the surface polarity of two adjacent groups permanent magnet is opposite, and the permanent magnet 20,21,22,23 of this journal bearing 6,7 adopts the Nd-Fe-B rare earth permanent magnetic material manufacturing; And there is anti oxidation layer on the surface, and is oxidized to prevent permanent magnet 20,21,22,23; The employing of above-mentioned end bearing 4,5 and journal bearing 6,7 has limited five degrees of freedom of flywheel rotor 3, makes flywheel rotor 3 be in suspended state, and can only rotate; Said motor 8 is made up of rotor permanent magnet that is embedded in flywheel rotor 3 centre bores 24 and the coil windings stator 25 that is installed on the axle 2, and is the integrative-structure of generator and motor; When giving motor 8 power supplies through said control device 10, this motor 8 just becomes motor, is quickened by 3 rotations of motor drives flywheel rotor, stores thereby transfer electric energy to mechanical energy; When external loading needed electric energy, flywheel rotor 3 applied torque for motor 8, and motor 8 becomes generator again, transfers mechanical energy to electric energy, and through control device 10 outputs; The rotor permanent magnet 24 of said motor 8 is at journal bearing 6, between 7, adopts the Nd-Fe-B rare earth permanent magnetic material manufacturing, and there is anti oxidation layer on the surface, in case the sub-permanent magnet of spline 24 is oxidized; Said coil windings stator 25 is corresponding with rotor permanent magnet 24, and between coil windings stator 25 and axle 2, fairlead 26 is housed; In the centre bore of said axle 2 transmission mechanism 9 is housed also; This transmission mechanism drives fairlead 26 and is in axial sliding along axle together with coil winding stator 25; And realize overlapping fully, partially overlap, not overlapping with rotor permanent magnet 24; Thereby induced current is changed between maximum and minimum, realized control, and the power loss when making zero load is minimum power output; Said axle 2 can be structure as a whole with base 15, and this base 15 is sitting on the lower cover 13 of vacuum tank 1, and axle 2 links to each other with the loam cake 12 of vacuum tank 1, also can axle 2 be directly installed on the lower cover 13 of vacuum tank, or base 15 and lower cover 13 are made of one; Vacuum transducer 27 and vacuum valve 29 are housed on the said vacuum tank 1, can also connect vacuum unit 28 on the vacuum valve 29; The working vacuum degree of vacuum tank 1 requires to be higher than 100Pa, when vacuum degree is lower than 100Pa, starts 28 pairs of vacuum tanks 1 of vacuum unit and vacuumizes, and when system did not have vacuum unit 28, vacuum transducer was used for reporting to the police.
Can find out by accompanying drawing 5, Fig. 6; The another kind of mounting means of permanent magnet of the present invention is after the permanent magnet 16,17,18,19 with said end bearing 4,5 is embedded in loam cake 12, base 15 respectively; Be coated with non-conductive oxidation-resistant material 30 at permanent magnet 16,17,18,19 exposed surfaces; Oxidized to prevent permanent magnet 16,17,18,19, can also prevent that 16,17,18,19 fragmentations of fragility permanent magnet from flying out simultaneously; After the permanent magnet 20,21,22,23 of said journal bearing 6,7 is embedded in axle 2 and flywheel rotor 3 centre bores respectively; Be coated with non-conductive oxidation-resistant material 31 at permanent magnet 20,21,22,23 exposed surfaces; Oxidized to prevent permanent magnet 20,21,22,23, can also prevent that 20,21,22,23 fragmentations of fragility permanent magnet from flying out simultaneously; After the rotor permanent magnet 24 of said motor 8 is embedded in flywheel rotor 3 centre bores, be coated with non-conductive oxidation-resistant material 32,, can also prevent that 24 fragmentations of fragility rotor permanent magnet from flying out simultaneously in case the sub-permanent magnet of spline 24 is oxidized at rotor permanent magnet 24 exposed surfaces.
Through the foregoing description, this professional those of ordinary skill should be able to be understood essence of the present invention, and recognizes that practical implementation details of the present invention can make various variations in the claim protection range.
Claims (9)
1. a permanent magnetism levitation energy-storing flywheel system comprises vacuum tank (1), axle (2), flywheel rotor (3), end bearing (4,5), journal bearing (6,7), motor (8), transmission mechanism (9), control device (10); Said vacuum tank (1) is made up of cylindrical shell (11), loam cake (12), lower cover (13); There is the safety component (14) of annular cylindrical shell (11) inside of said vacuum tank (1); Said axle (2) is structure as a whole with base (15), and axle (2) links to each other with the loam cake (12) of vacuum tank (1); Said end bearing (4,5) is positioned at the two ends up and down of flywheel rotor (3); Said journal bearing (6,7) is positioned at the two ends of flywheel rotor (3) centre bore; The rotor permanent magnet (24) that is characterised in that said motor (8) altogether is embedded on the centre bore of flywheel rotor (3), and this rotor permanent magnet (24) is positioned between the journal bearing (6,7); The coil windings stator (25) of said motor (8) is installed on the axle (2), and this coil windings stator (25) is corresponding with rotor permanent magnet (24), and between coil windings stator (25) and axle (2), fairlead (26) is housed; Said transmission mechanism (9) is contained in the centre bore of axle (2), and drive fairlead (26) is in axial sliding along axle (2) with coil winding stator (25); Said end bearing (4,5) respectively by the permanent magnet (16,17) that is embedded in loam cake (12), base (15) and be embedded in flywheel rotor (3) up and down the permanent magnet of both ends of the surface (18,19) form, and the N utmost point is extremely relative with N, or the S utmost point is extremely relative with S; Said journal bearing (6,7) is formed by being embedded in permanent magnet (20,21) on the axle (2) and the permanent magnet (22,23) that is embedded on flywheel rotor (3) centre bore respectively, and the N utmost point is extremely relative with N, or the S utmost point is extremely relative with S.
2. according to the said a kind of permanent magnetism levitation energy-storing flywheel system of claim 1; It is characterized in that: the permanent magnet (16,17,18,19) of said end bearing (4,5) is arranged for annular; Annulus is concentric with flywheel rotor (3); The permanent magnet of end bearing (16,17,18,19) is respectively the donut of one or more groups different-diameter, and the polarity of the permanent magnet outer surface on the neighboring concentric annulus is opposite.
3. a kind of permanent magnetism levitation energy-storing flywheel system according to claim 1 is characterized in that: the surface polarity of said journal bearing (6,7) two adjacent groups permanent magnet is opposite.
4. a kind of permanent magnetism levitation energy-storing flywheel system according to claim 1 it is characterized in that the permanent magnet (16,17,18,19) of said end bearing (4,5) adopts the Fe-B rare-earth permanent magnet material manufacture, and there is anti oxidation layer on the surface; The permanent magnet (20,21,22,23) of said journal bearing (6,7) adopts the Fe-B rare-earth permanent magnet material manufacture, and there is anti oxidation layer on the surface.
5. a kind of permanent magnetism levitation energy-storing flywheel system according to claim 1 it is characterized in that said rotor permanent magnet (24) adopts the Fe-B rare-earth permanent magnet material manufacture, and there is anti oxidation layer on the surface.
6. a kind of permanent magnetism levitation energy-storing flywheel system according to claim 1 is characterized in that on the cylindrical shell (11) of said vacuum tank (1) vacuum transducer (27) and vacuum valve (29) being housed.
7. a kind of permanent magnetism levitation energy-storing flywheel system according to claim 6 is characterized in that also being connected with on the said vacuum valve (29) vacuum unit (28).
8. a kind of permanent magnetism levitation energy-storing flywheel system according to claim 1 is characterized in that said safety component (14) and cylindrical shell (11) are made of one.
9. a kind of permanent magnetism levitation energy-storing flywheel system according to claim 1; After the permanent magnet (16,17,18,19) that it is characterized in that said end bearing (4,5) is embedded in loam cake (12), base (15) respectively, be coated with non-conductive oxidation-resistant material (30) at permanent magnet (16,17,18, the 19) exposed surface of end bearing; After the permanent magnet (20,21,22,23) of said journal bearing (6,7) is embedded in axle (2) and flywheel rotor (3) centre bore respectively, be coated with non-conductive oxidation-resistant material (31) at permanent magnet (20,21,22, the 23) exposed surface of journal bearing; After the rotor permanent magnet (24) of said motor (8) is embedded in flywheel rotor (3) centre bore, be coated with non-conductive oxidation-resistant material (32) at rotor permanent magnet (24) exposed surface.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101573852A CN101409478B (en) | 2007-10-10 | 2007-10-10 | Permanent magnetism levitation energy-storing flywheel system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101573852A CN101409478B (en) | 2007-10-10 | 2007-10-10 | Permanent magnetism levitation energy-storing flywheel system |
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| Publication Number | Publication Date |
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| CN101409478A CN101409478A (en) | 2009-04-15 |
| CN101409478B true CN101409478B (en) | 2012-05-23 |
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| CN2007101573852A Active CN101409478B (en) | 2007-10-10 | 2007-10-10 | Permanent magnetism levitation energy-storing flywheel system |
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| WO2020084345A1 (en) * | 2018-10-22 | 2020-04-30 | Wattsup Power A/S | Magnetic bearings for flywheel rotor levitation with radial stabilization |
| AU2019363815B2 (en) * | 2018-10-22 | 2024-09-05 | Wattsup Power A/S | Magnetic bearings for flywheel rotor levitation with radial stabilization |
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| CN101409478A (en) | 2009-04-15 |
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