CN109378930A - A kind of vehicle-mounted energy accumulation device for fly wheel of outer rotor based on novel magnetic repulsion hybrid magnetic bearing - Google Patents
A kind of vehicle-mounted energy accumulation device for fly wheel of outer rotor based on novel magnetic repulsion hybrid magnetic bearing Download PDFInfo
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- CN109378930A CN109378930A CN201811183942.2A CN201811183942A CN109378930A CN 109378930 A CN109378930 A CN 109378930A CN 201811183942 A CN201811183942 A CN 201811183942A CN 109378930 A CN109378930 A CN 109378930A
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- Prior art keywords
- magnetic
- freedom
- degree
- magnetic bearing
- magnetic repulsion
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/02—Additional mass for increasing inertia, e.g. flywheels
- H02K7/025—Additional mass for increasing inertia, e.g. flywheels for power storage
-
- 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
- F16C32/044—Active magnetic bearings
- F16C32/047—Details of housings; Mounting of active magnetic bearings
-
- 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
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0489—Active magnetic bearings for rotary movement with active support of five degrees of freedom, e.g. two radial magnetic bearings combined with an axial bearing
-
- 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
- F16C32/044—Active magnetic bearings
- F16C32/0474—Active magnetic bearings for rotary movement
- F16C32/0493—Active magnetic bearings for rotary movement integrated in an electrodynamic machine, e.g. self-bearing motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/08—Structural association with bearings
- H02K7/09—Structural association with bearings with magnetic bearings
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/16—Mechanical energy storage, e.g. flywheels or pressurised fluids
Abstract
The invention discloses a kind of vehicle-mounted energy accumulation device for fly wheel of outer rotor based on novel magnetic repulsion hybrid magnetic bearing, including sealing vaccum case, enclosure interior is equipped with Three Degree Of Freedom magnetic repulsion magnetic bearing, outer rotor motor/generator, two degrees of freedom magnetic repulsion magnetic bearing from top to bottom；Enclosure interior is simultaneously run through in the stator composition stator axis system of the stator of Three Degree Of Freedom magnetic repulsion magnetic bearing, the stator of Wai Zhuanzi electricity Dong Ji generator and two degrees of freedom magnetic repulsion magnetic bearing；Flywheel hub closely connects outer rotor motor/generator amature outer rim, and flywheel hub inner wall is fitted closely with the rotor outer wall of Three Degree Of Freedom magnetic repulsion magnetic bearing and the rotor outer wall of two degrees of freedom magnetic repulsion magnetic bearing；The present invention is based on the novel magnetic repulsion bearings of design, and flywheel is cleverly integrated into an entirety with rotor, magnetic bearing rotor, compared to internal rotor flying wheel battery decentralized design, greatly reduces the volume of flying wheel battery.
Description
Technical field
The present invention relates to vehicle-mounted flying wheel battery (also referred to as energy accumulation device for fly wheel) fields for electric car, specifically use
Vehicle-mounted flying wheel battery of the five degree of freedom hybrid magnetic bearing as magnetic suspension bearing.
Background technique
With the development of economy and society, the car ownership in China rises year by year.Wherein consumption of the fuel-engined vehicle to the energy
Pollution with environment is on the rise.Promote with low power consuming, it is pollution-free with the characteristics of New-energy electric vehicle become and solve this and ask
The important means of topic.Therefore, electric car has vast potential for future development.Currently, the power battery of electric car is mainly changed
Learn battery.Due to chemical cell than can, specific power it is low, the disadvantages of charging time is long, and the service life is short, restrict chemical cell always
Development.And flying wheel battery overcomes the above-mentioned shortcomings of chemical cell as a kind of mechanical energy storage battery, is electric car ideal
Power battery.
In order to reduce friction loss, flying wheel battery mainly uses magnetic suspension bearing as the support device of shaft, thus pole
The earth improves the energy storage efficiency of flying wheel battery.Due to being contactless state between magnetic bearing magnetic pole and rotor, magnetic suspension bearing is
So that shaft is suspended in equilbrium position by magnetic suspension force, ideal is often not achieved so as to cause the rigidity between magnetic bearing and rotor and wants
It asks.Current most of hybrid magnetic bearings are that biasing magnetic flux is provided by permanent magnet, and single permanent magnet pole is difficult to provide enough
Magnetic density, enough magnetic densities could be provided by generally requiring special permanent-magnet material, to improve the cost of manufacture.
In addition, using inner rotor motor as motor/generator, structure integrated level compares most of flying wheel batteries at present
Low, volume is relatively large.It is unfavorable for installing in electric car narrow space.And external rotor electric machine has rotary inertia big, dissipates
The advantages that good and axial dimension of heat is compact.Therefore, it is necessary to design a kind of outer rotor flying wheel battery.
Summary of the invention
It is an object of the present invention to provide a kind of magnetic bearing of enough rigidity, propose that a kind of novel magnetic repulsion magnetic bearing is used
In Fly wheel energy storage system.Using external rotor electric machine as the motor/generator of flying wheel battery, and by flywheel, magnetic bearing turn
Son and rotor are combined together, and further increase flying wheel battery internal structure integrated level, so that it is whole to reduce flying wheel battery
Volume, to be conducive to use on electric car.
The purpose of the present invention is what is realized using following technical scheme: including it is fixed on the base, by a upper end cover,
The vertical sealed vaccum case that lower cover, fuselage are constituted.Three Degree Of Freedom magnetic repulsion magnetic is distributed in enclosure interior respectively from top to bottom
Bearing, outer rotor motor generator, two degrees of freedom magnetic repulsion magnetic bearing；Three Degree Of Freedom magnetic repulsion magnetic bearing stator, outer rotor
The stator shafting of stator and two degrees of freedom magnetic repulsion magnetic bearing the stator composition of electricity Dong Ji generator runs through enclosure interior.?
Upper end cover and lower cover are respectively equipped with two shaft fixation members and stator shafting are made to be in center always.Flywheel hub is same
Axis is installed tightly to outer rotor motor/generator amature outer rim, and the outer wall of flywheel hub outer rim winds carbon fiber composite
Expect T300, while turn of the inner wall of flywheel hub outer rim and Three Degree Of Freedom magnetic repulsion magnetic bearing and two degrees of freedom magnetic repulsion magnetic bearing
Sub- outer wall fits closely.Whole device is included in as a result, in the shell of flying wheel battery, increases volume, the weight of flywheel, from
And increase the energy storage capacity of flywheel.
It further illustrates, the permanent magnet in magnetic repulsion Three Degree Of Freedom magnetic bearing and magnetic repulsion two degrees of freedom magnetic bearing is adopted
The two sides of magnetic bearing rotor magnetic pole are mounted on two pieces of permanent magnet like poles, due to the principle that identical charges repel each other, part flux density edge
Magnetic repulsion Three Degree Of Freedom magnetic bearing rotor magnetic pole enter magnetic bearing stator, and magnetic flux is biased from generating, so that rotor stability is outstanding
It is floating.When rotor deviates equilbrium position, radial control coil and magnetic in the stator of magnetic repulsion Three Degree Of Freedom magnetic bearing are set
The radial control coil collective effect of the stator of repulsion two degrees of freedom magnetic bearing controls flywheel rotor radially 4 freedom degrees,
Axial upper 1 freedom degree of axial control coil flywheel rotor in the stator of magnetic repulsion Three Degree Of Freedom magnetic bearing, to realize flywheel
Stable suspersion on five degree of freedom.
The beneficial effect of the present invention compared with prior art is:
1, for outer-rotor structure, the rotation for taking full advantage of external rotor electric machine is used for the motor of the invention used, generator
The advantages that amount is big, good heat dissipation and axial dimension are compact, is cleverly integrated into one with rotor, magnetic bearing rotor for flywheel
A entirety greatly reduces the volume of flying wheel battery compared to internal rotor flying wheel battery decentralized design.
2, magnetic bearing and flywheel are sealed in a vacuum casting by the present invention, are eliminated windage and are brought to flywheel
Loss.
3, the present invention use magnetic repulsion magnetic bearing, using a pair of of like pole repel each other generation resultant magnetic field provide biasing magnetic
It is logical, so that bias magnetic field more crypto set, for single magnetic pole provides the magnetic bearing of biasing magnetic flux, magnetic repulsion magnetic bearing energy
It is enough that bigger magnetic bearing rigidity is provided, mitigate control system burden and power consumption further decreases.
4, the present invention is wound in flywheel hub periphery using high-strength carbon fiber resin composite materials T300, efficiently against
Flywheel at high speeds by stress and deforming is influenced.This outer wheel hub uses metallic composite, further improves
Flywheel integral strength.
Detailed description of the invention
Fig. 1 is structure sectional view of the invention；
Fig. 2 is stator shafting structure figure；
Fig. 3 is Three Degree Of Freedom magnetic repulsion magnetic bearing bearing stator top view；
Fig. 4 is Three Degree Of Freedom magnetic repulsion magnetic bearing structure sectional view；
Fig. 5 is two degrees of freedom magnetic repulsion magnetic bearing structure sectional view；
Fig. 6 is motor and freewheel body installation diagram；
Fig. 7 is Three Degree Of Freedom magnetic repulsion magnetic bearing magnetic circuit figure；
Fig. 8 is two degrees of freedom magnetic repulsion magnetic bearing magnetic circuit figure；
In figure: 1, flying wheel battery sealing shell；21, upper stator axis fixation member；22, lower part stator axis fixation member；
31, Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial coil；32, Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial direction coil；41, three
Freedom degree magnetic repulsion magnetic bearing upper radial permanent magnet is 1.；42, Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet is 2.；
43, Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body is 3.；44, Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body
④；51, Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole；52, Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor
Pole；61, Three Degree Of Freedom magnetic repulsion magnetic bearing radial coil a；62, Three Degree Of Freedom magnetic repulsion magnetic bearing radial coil b；63, three certainly
By degree magnetic repulsion magnetic bearing radial coil c；64, two degrees of freedom magnetic repulsion magnetic bearing radial coil a；65 two degrees of freedom magnetic repulsion magnetic
Bearing radial coil b；66, two degrees of freedom magnetic repulsion magnetic bearing radial coil c；71, Three Degree Of Freedom magnetic repulsion magnetic bearing axial is forever
Magnet is 1.；72 Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnets are 2.；73, two degrees of freedom magnetic repulsion magnetic bearing radial permanent magnet body
①；74, two degrees of freedom magnetic repulsion magnetic bearing radial permanent magnet body is 2.；8, stator shafting；811, stator upper axial；812, three freely
Spend the top take-up reel of magnetic repulsion magnetic bearing axial magnetic circuit；813, Three Degree Of Freedom magnetic repulsion magnetic bearing axis radial direction stator poles a；814, three
Freedom degree magnetic repulsion magnetic bearing axis radial direction stator poles b；815, Three Degree Of Freedom magnetic repulsion magnetic bearing axis radial direction stator poles c；816, circle
Column connecting shaft is 1.；817, cylinder connecting shaft is 2.；818, Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel；819, electricity
Machine shaft；820, two degrees of freedom magnetic repulsion magnetic bearing radial stator pole a；821, two degrees of freedom magnetic repulsion magnetic bearing radial stator pole
b；822, two degrees of freedom magnetic repulsion magnetic bearing radial stator pole c；823, stator lower axial end；91, Three Degree Of Freedom magnetic repulsion magnetic axis
Hold radial rotor pole；92, two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole；10, flywheel hub；11, motor/generator is fixed
Son；12, motor/generator rotor, 13, vaccum exhaust outlet；14, flywheel composite material periphery；15, pedestal fixing piece；16, base
Seat.
Specific embodiment
Referring to as shown in Figure 1, most external of the present invention is sealing shell 1,1 surface of sealing shell is evenly distributed with cooling fin.
Stator shafting 8 is through the axle center of sealing shell 1.The upper and lower end faces of sealing shell 1 are respectively equipped with upper stator axis fixed part
Part 21 and lower part stator axis fixation member 22.Sealing shell bottom is equipped with vaccum exhaust outlet 13, so that external exhaust gas device will be close
Air in envelope shell 1 pumps.Entire sealing shell is assemblied on pedestal 16, is connected and fixed between the two with pedestal fixing piece 15.
As shown in Fig. 2, stator shafting 8 is coaxially integrated with stator upper axial 811, Three Degree Of Freedom magnetic repulsion magnetic from top to bottom
Bearing axial magnetic circuit top take-up reel 812, cylinder connecting shaft 1. 816, radial stator, the cylinder of Three Degree Of Freedom magnetic repulsion magnetic bearing
Connecting shaft 2. 817, Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel 818, machine shaft 819, two degrees of freedom magnetic
The radial stator of repulsion magnetic bearing, stator lower axial end 823.Wherein the radial stator of Three Degree Of Freedom magnetic repulsion magnetic bearing and three from
By degree magnetic repulsion magnetic bearing axial magnetic circuit top take-up reel 812, Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel
Cylinder connecting shaft 1. 816,2. 817 connection of cylinder connecting shaft are used between 818 respectively.Two degrees of freedom magnetic repulsion magnetic bearing radial stator
With 2. 817 connection of cylinder connecting shaft between 820 and Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel 818.Stator
Upper axial 811 and stator lower axial end 823 are cylindrical.Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit top take-up reel
812 is in the form of annular discs with Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel 818.811 lower surface of stator upper axial
It is connect with 812 upper surface of Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit top take-up reel.The upper surface of stator lower axial end 823
It is connected with the lower surface of Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel 818.Two degrees of freedom magnetic repulsion magnetic axis
It holds radial stator and is along the circumferential direction extended outwardly with cylindrical body and be separated by 120 ° of cylindricality magnetic poles between three, denounce as two degrees of freedom magnetic
Power magnetic bearing radial stator pole is respectively as follows: two degrees of freedom magnetic repulsion magnetic bearing radial stator pole a820, two degrees of freedom magnetic repulsion magnetic
Bearing radial stator pole b821, two degrees of freedom magnetic repulsion magnetic bearing radial stator pole c822.Two degrees of freedom magnetic repulsion magnetic axis is radial
Coil a64, two degrees of freedom magnetic repulsion magnetic bearing radial coil b65, two degrees of freedom magnetic repulsion magnetic bearing radial coil c66 rotating around
System is in two degrees of freedom magnetic repulsion magnetic bearing radial stator pole a820, two degrees of freedom magnetic repulsion magnetic bearing radial stator pole b821, and two
On freedom degree magnetic repulsion magnetic bearing radial stator pole c822.
As shown in connection with fig. 3, Three Degree Of Freedom magnetic repulsion magnetic bearing radial stator is along the circumferential direction uniformly cut by a disk
3 pairs of parallel slots completely through disk upper and lower surface are cut into, parallel slot is formed by cylinder close to the side of disc centre position
Face and central axis, and the diameter on cylindrical surface be greater than cylinder connecting shaft 1. 816 diameter.Three are formed between parallel slot to be mutually
120 ° of three magnetic poles are respectively as follows: Three Degree Of Freedom magnetic repulsion magnetic bearing axis radial direction stator poles a813；Three Degree Of Freedom magnetic repulsion magnetic axis
Hold axis radial direction stator poles b814；, Three Degree Of Freedom magnetic repulsion magnetic bearing axis radial direction stator poles c815.Three Degree Of Freedom magnetic repulsion magnetic bearing
Radial coil a61, Three Degree Of Freedom magnetic repulsion magnetic bearing radial coil b62, Three Degree Of Freedom magnetic repulsion magnetic bearing radial coil c63 point
It is not wound on Three Degree Of Freedom magnetic repulsion magnetic bearing axis radial direction stator poles a813；Three Degree Of Freedom magnetic repulsion magnetic bearing axis radial direction stator poles
b814；, on Three Degree Of Freedom magnetic repulsion magnetic bearing axis radial direction stator poles c815.
It is the internal structure cross-sectional view of Three Degree Of Freedom magnetic repulsion magnetic bearing as shown in Figure 4.Belonging to it is fastened in stator axis
Structure includes Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit top take-up reel 812, cylinder connecting shaft 1. 816, Three Degree Of Freedom magnetic
Repulsion magnetic bearing radial stator, cylinder connecting shaft 2. 817, Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel 818.
Hollow collar plate shape Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole 91, coaxial sleeve is in Three Degree Of Freedom magnetic repulsion magnetic bearing stator
Outside, internal diameter is greater than the internal diameter 0.5mm of the stator poles of Three Degree Of Freedom magnetic repulsion magnetic bearing to form radial air gap.Three Degree Of Freedom magnetic
The upper and lower surface of repulsion magnetic bearing radial rotor pole 91 respectively with the upper and lower surface of the stator of Three Degree Of Freedom magnetic repulsion magnetic bearing
It is equidistant.The two sides up and down of Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole 91 laminate one piece of same hollow cylinder respectively
Permanent magnet, respectively Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnet 1. 71, Three Degree Of Freedom magnetic repulsion magnetic bearing axial forever
Magnet 2. 72.Permanent magnet 1. 71, permanent magnet 2. 72 internal diameter slightly larger than Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole 91
Internal diameter.Permanent magnet 1. 71, permanent magnet 2. 72 outer diameter be equal to the outer diameter of Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole 91.
Upper and lower two axial rotor pole (Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51, Three Degree Of Freedom magnetic repulsion magnetic bearing
Lower part axial rotor pole 52) shape be hollow cylinder, be respectively symmetrically distributed in Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit
Top take-up reel 812, cylinder connecting shaft 1. 816, the upper chamber that is formed of the stator of Three Degree Of Freedom magnetic repulsion magnetic bearing and three from
By the stator of degree magnetic repulsion magnetic bearing, cylinder connecting shaft 2. 817, Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel
In 818 lower chambers formed.Two end faces of Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51 distance three respectively
On the lower surface of freedom degree magnetic repulsion magnetic bearing axial magnetic circuit top take-up reel 812 and the stator of Three Degree Of Freedom magnetic repulsion magnetic bearing
Surface 0.5mm；Equally, two end faces of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole 52 are respectively apart from Three Degree Of Freedom
The upper surface of magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel 818 and the stator lower surface of Three Degree Of Freedom magnetic repulsion magnetic bearing
0.5mm forms axial air-gap.The close connection respectively of the interior outer side edges of Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51
Have a two block-shaped permanent magnets for hollow cylinder, respectively Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 1. 41,
Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 2. 42.Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole 52
Interior outside is also corresponding to be connected with two block-shaped identical permanent magnets, respectively Three Degree Of Freedom magnetic repulsion magnetic bearing lower part diameter
To permanent magnet 3. 43, Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body 4. 44.Three Degree Of Freedom magnetic repulsion magnetic bearing top
Radial permanent magnet body 1. 41 outer diameter be equal to Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51 internal diameter, Three Degree Of Freedom magnetic
Repulsion magnetic bearing upper permanent magnets 2. 42 internal diameter be equal to Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51 outer diameter.
Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 1. 41 with Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 2.
42 axial lengths that are equal on axial length but being less than Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51, and three
Freedom degree magnetic repulsion magnetic bearing upper radial permanent magnet 1. 41 with Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 2. 42
Upper and lower end face being equidistant to the upper and lower end face of Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51；
Equally, outer diameter 43, the Three Degree Of Freedom magnetic repulsion magnetic axis of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body 3.
Hold lower part radial permanent magnet body 4. 44 internal diameter be respectively equal to the internal diameter of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole 52
And outer diameter, and the two is equal on axial length but is less than the axis of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole 52
To length, and the upper and lower end face of the two to Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole 52 upper and lower end face away from
From equal.
Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 2. 42 outer diameter be equal to Three Degree Of Freedom magnetic repulsion magnetic bearing
Axial permanent magnetic body 1. 71 internal diameter and closely coupled；Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body 4. 44 outer diameter
Equal to Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnet 2. 72 internal diameter and closely coupled.
Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial coil 31 and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial direction coil
32 be wound on respectively cylinder connecting shaft 1. 816, cylinder connecting shaft 2. 817 outer surface, and Three Degree Of Freedom magnetic repulsion magnetic bearing
Upper axial coil 31 and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial direction coil 32 are not and on Three Degree Of Freedom magnetic repulsion magnetic bearing
Portion's radial permanent magnet body 1. 41 and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body 3. 43 outer surface contact.
Determine as shown in figure 5, two degrees of freedom magnetic repulsion magnetic bearing is fastened in stator axis equipped with two degrees of freedom magnetic repulsion magnetic bearing
Son, hollow 92 coaxial sleeve of collar plate shape two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole are determined in two degrees of freedom magnetic repulsion magnetic bearing
Sub outer, internal diameter is greater than the outer diameter 0.5mm of the stator poles of two degrees of freedom magnetic repulsion magnetic bearing to form radial air gap.Two degrees of freedom
The upper and lower surface of magnetic repulsion magnetic bearing radial rotor pole 92 upper and lower surface with the stator of two degrees of freedom magnetic repulsion magnetic bearing respectively
Be equidistant.
The two sides up and down of two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92 have laminated one piece of identical hollow circle respectively
Cylindrical permanent magnet, respectively two degrees of freedom magnetic repulsion magnetic bearing radial permanent magnet body 1. 73, two degrees of freedom magnetic repulsion magnetic bearing diameter
To permanent magnet 2. 74.The internal diameter of two permanent magnets is slightly larger than the internal diameter of two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92.Two
The outer diameter of a permanent magnet is equal to the outer diameter of two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92.3 two degrees of freedom magnetic repulsion magnetic
Bearing radial coil be wound in respectively 3 radial stators extremely on.
As shown in fig. 6, motor/generator stator 11 closely surrounds on machine shaft 819.Motor/generator rotor
12 coaxial sleeves are in the outside of motor/generator stator 11.Flywheel hub 10 is closely tied in outside motor/generator rotor 12
Side.10 outer fringe surface of flywheel hub is wound with flywheel composite material periphery 14 made of resin carbon fibre composite material T300, is in
It is cylindric.And the upper and lower surface of flywheel composite material periphery 14 is overlapped with the upper and lower surface of flywheel hub outer rim respectively.
In conjunction with Fig. 1, Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole 91 and its up and down the Three Degree Of Freedom magnetic repulsion of two sides
Magnetic bearing axial permanent magnet 1. 71, Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnet 2. 72 and two degrees of freedom magnetic repulsion magnetic axis
The radial rotor pole 92 held and its up and down the two degrees of freedom magnetic repulsion magnetic bearing radial permanent magnet body of two sides 1. 73, two degrees of freedom magnetic
2. 74 outer wall and 10 outer rim inner wall of flywheel hub are closely coupled for repulsion magnetic bearing radial permanent magnet body, and Three Degree Of Freedom magnetic is denounceed as a result,
Power magnetic bearing radial rotor pole 91 and its up and down two sides Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnet 1. 71, three freely
Spend magnetic repulsion magnetic bearing axial permanent magnet 2. 72, flywheel hub 10, motor/generator rotor 12, flywheel composite material periphery
14, two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92, and its two degrees of freedom magnetic repulsion magnetic bearing of upper and lower two sides are radial forever
Magnet 1. 73, two degrees of freedom magnetic repulsion magnetic bearing radial permanent magnet body 2. 74 be closely connected as an entirety.Work as motor/generator
Rotor 12 rotate when, this unitary rotation will be driven；When flywheel rotor rotation, can also motor/generator be driven to rotate.
As shown in fig. 7, being that the magnetic circuit figure of Three Degree Of Freedom magnetic repulsion magnetic bearing is since cross section structure is identical
Convenient for observation, biasing magnetic circuit (solid line with the arrow in figure) is placed in left side, magnetic circuit (dotted line with the arrow in figure) is placed in
Right side.When flying wheel battery work, using Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 1. 41, Three Degree Of Freedom magnetic denounces
Power magnetic bearing upper radial permanent magnet 2. 42 principle that identical charges repel each other, in Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole
In 51 generate synthesis the magnetic line of force by 51 lower surface of Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole enter its with three from
By the air gap between degree magnetic repulsion magnetic bearing stator poles 813, to generate upper axial air-gap field.Similarly, Three Degree Of Freedom magnetic is denounceed
3. 43 power magnetic bearing lower part radial permanent magnet body, Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body is 4. 44 in Three Degree Of Freedom magnetic
The synthesis magnetic line of force is generated in repulsion magnetic bearing lower part axial rotor pole 52 axially to be turned by Three Degree Of Freedom magnetic repulsion magnetic bearing lower part
Sub- 52 lower surface of pole enters its air gap between Three Degree Of Freedom magnetic repulsion magnetic bearing stator poles 813, to generate lower part axial direction gas
Gap magnetic field.Upper axial air-gap field is equal with lower part axial air-gap magnetic field strength, therefore on Three Degree Of Freedom magnetic repulsion magnetic bearing
Portion axial rotor pole 51 is equal with Three Degree Of Freedom magnetic repulsion magnetic bearing lower part 52 stress of axial rotor pole, is in equilbrium position.Three
(Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnet is 1. for the permanent magnet of 91 two sides of freedom degree magnetic repulsion magnetic bearing radial rotor pole
71,2. Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnet 72) also using the principle that identical charges repel each other, makes Three Degree Of Freedom magnetic repulsion magnetic
Bearing radial rotor pole 91 generates synthesis magnetic circuit, enters it by 91 inner surface of Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole
With the air gap between Three Degree Of Freedom magnetic repulsion magnetic bearing stator poles 813, to generate radial air gap magnetic field.If Three Degree Of Freedom magnetic repulsion
Magnetic bearing radial rotor pole 91 is in equilbrium position, due to Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole 91 and Three Degree Of Freedom
Air-gap field between magnetic repulsion magnetic bearing stator poles 813 is equal everywhere, and Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole 91 exists
Radially stress equalization.
As shown in figure 8, be the magnetic circuit figure of two degrees of freedom magnetic repulsion magnetic bearing, it is radial using two degrees of freedom magnetic repulsion magnetic bearing
The two degrees of freedom magnetic repulsion magnetic bearing radial permanent magnet body of 92 upper and lower surface two sides of rotor pole 1. 73 and two degrees of freedom magnetic repulsion magnetic axis
Holding radial permanent magnet body, 2. 74 identical charges repel each other, and the resultant flux generated in two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92 is made
For the air gap magnetic between two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92 and two degrees of freedom magnetic repulsion magnetic bearing stator poles 820
It is logical, and when two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92 is in equilbrium position, two degrees of freedom magnetic repulsion magnetic bearing diameter
It is equal with two degrees of freedom magnetic repulsion magnetic bearing radial rotor 92 air-gap fluxs of pole to stator poles 820.Therefore, two degrees of freedom magnetic repulsion
Magnetic bearing radial rotor pole 92 is in equilbrium position.
In conjunction with Fig. 1, Fig. 7, shown in Fig. 8, external disturbance is encountered when flying wheel battery work, rotor whole departure is balanced
When position, Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial coil 31 and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial direction coil 32
Collective effect, so that Three Degree Of Freedom magnetic pole and Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51 and Three Degree Of Freedom magnetic are denounceed
Resultant flux one that magnetic flux and control magnetic flux are biased in 2 air gaps between power magnetic bearing lower part axial rotor pole 52 reinforces one
Weaken, so that Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole 51 and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axis
Differed to 52 stress of rotor pole, generated resultant force be axially displaced from it is contrary, so that flywheel rotor be made to return to equilbrium position.
Therefore, one degree of freedom is controlled in axial direction.
By taking rotor is deflected downwardly equilbrium position in the axial direction as an example, as shown in fig. 7, Three Degree Of Freedom magnetic pole and Three Degree Of Freedom magnetic
Biasing control magnetic direction in repulsion magnetic bearing upper axial 51 air-gap fields of rotor pole is identical with the direction of control magnetic flux,
Biasing between Three Degree Of Freedom magnetic pole and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole 52 in air-gap field controls magnetic field
Direction and control magnetic flux it is contrary.Therefore, Three Degree Of Freedom magnetic pole and Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor
51 resultant flux of pole is greater than Three Degree Of Freedom magnetic pole and 52 resultant flux of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole, and three
51 stress of freedom degree magnetic repulsion magnetic bearing upper axial rotor pole is greater than Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole
52 stress, so that entire flywheel rotor is by upward resultant force, flywheel rotor returns to equilbrium position.
When flywheel rotor radially deviates equilbrium position, Three Degree Of Freedom magnetic repulsion magnetic bearing radial coil, certainly with 3 two
It is powered by degree magnetic repulsion magnetic bearing radial coil, single magnetic flux that resultant force generates is directed toward the direction opposite with positional shift, generates phase
The radial control magnetic suspension force answered, makes flywheel rotor return to radial equilibrium position.It is to illustrate with two degrees of freedom magnetic repulsion magnetic bearing
Its principle is released, referring to Fig. 8, heavy line direction with the arrow is offset direction in figure, radially fixed with two degrees of freedom magnetic repulsion magnetic bearing
The parallel 3 two degrees of freedom magnetic repulsion magnetic bearing radial coil of sub- 820 pole orientation of pole is powered simultaneously, so that two degrees of freedom magnetic repulsion
Synthesis air-gap flux and two between magnetic bearing radial rotor pole 92 and two degrees of freedom magnetic repulsion magnetic bearing radial stator pole 820 is freely
Spend the adjacent stators counterclockwise of magnetic repulsion magnetic bearing radial rotor pole 92 and two degrees of freedom magnetic repulsion magnetic bearing radial stator pole 820
The synthesis air-gap flux of interpolar enhances since biasing magnetic flux is identical as control magnetic flux direction；Two degrees of freedom magnetic repulsion magnetic bearing
The synthesis air gap of the clockwise adjacent stator interpolar of radial rotor pole 92 and two degrees of freedom magnetic repulsion magnetic bearing radial stator pole 820
Magnetic flux weakens instead because of biasing magnetic flux and control magnetic flux direction phase.Therefore, two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole
92 under tensions at two degrees of freedom magnetic repulsion magnetic bearing radial stator pole 820 and at clockwise adjacent stator poles resultant force is much larger than
Two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92 is adjacent counterclockwise in two degrees of freedom magnetic repulsion magnetic bearing radial stator pole 820
By electromagnetic force, two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92 is radial in two degrees of freedom magnetic repulsion magnetic bearing for institute at stator poles
The direction of under tension resultant force and two degrees of freedom magnetic repulsion magnetic bearing radially turn at stator poles 820 and clockwise adjacent stator poles
Sub- pole 92 electromagnetic force direction phase suffered by the adjacent stator pole counterclockwise of two degrees of freedom magnetic repulsion magnetic bearing radial stator pole 820
Instead, eventually leading to the suffered resultant force direction in two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole 92 direction opposite with offset direction makes
It returns to radial equilibrium position.
Three free magnetic repulsion magnetic bearing radial direction control principles are identical as two free magnetic repulsion magnetic bearing diameter radial direction control principles,
Which is not described herein again.It can be seen that the mirror image control section of Three Degree Of Freedom magnetic repulsion magnetic bearing and two degrees of freedom magnetic repulsion magnetic
Bearing collective effect is to realize entire flywheel rotor radially always in equilbrium position.
It is obtained by being analyzed above, flywheel rotor of the invention can radially and axially realize stable suspersion.
According to the above, the present invention can be realized.To those skilled in the art without departing substantially from spirit of the invention
Other changes and modifications with making in the case where protection scope, are included within the scope of the present invention.
Claims (10)
1. a kind of vehicle-mounted energy accumulation device for fly wheel of outer rotor based on novel magnetic repulsion hybrid magnetic bearing, which is characterized in that including close
Seal vaccum case；The enclosure interior is respectively equipped with Three Degree Of Freedom magnetic repulsion magnetic bearing, outer rotor motor/power generation from top to bottom
Machine, two degrees of freedom magnetic repulsion magnetic bearing；Wherein, the stator of Three Degree Of Freedom magnetic repulsion magnetic bearing, outer rotor motor generator
The stator of stator and two degrees of freedom magnetic repulsion magnetic bearing forms stator axis system and runs through enclosure interior；Flywheel hub (10) is close
Connect the rotor periphery of the outer rotor motor/generator, and flywheel hub inner wall and Three Degree Of Freedom magnetic repulsion magnetic bearing
Rotor outer wall and the rotor outer wall of two degrees of freedom magnetic repulsion magnetic bearing fit closely；When outer rotor motor/generator turns
When sub (12) rotation, flywheel hub (10), the rotor of Three Degree Of Freedom magnetic repulsion magnetic bearing, two degrees of freedom magnetic reprimand can be successively driven
The rotor of power magnetic bearing rotates, and realizes energy storage；Rotor, two degrees of freedom magnetic repulsion magnetic bearing when Three Degree Of Freedom magnetic repulsion magnetic bearing
Rotor rotation when, can successively drive flywheel hub, outer rotor motor/generator rotor rotation, realization release energy.
2. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 1
It sets, which is characterized in that the stator shafting (8): be coaxially integrated stator upper axial (811), Three Degree Of Freedom magnetic from top to bottom
1. (816), Three Degree Of Freedom magnetic repulsion magnetic bearing are radial for repulsion magnetic bearing axial magnetic circuit top take-up reel (812), cylinder connecting shaft
2. (817), the Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel (818), machine shaft of stator, cylinder connecting shaft
(819), two degrees of freedom magnetic repulsion magnetic bearing radial stator, stator lower axial end (823)；
The stator upper axial (811), stator lower axial end (823) respectively by shaft fixation member and shell upper end and under
End is fixed；The Three Degree Of Freedom magnetic repulsion magnetic bearing radial stator and Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit top receive
Cylinder connecting shaft is used 1. respectively between disk (812), Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel (818)
(816), 2. (817) cylinder connecting shaft connects；The two degrees of freedom magnetic repulsion magnetic bearing radial stator and Three Degree Of Freedom magnetic repulsion
It 2. (817) is connected between magnetic bearing axial magnetic circuit lower part take-up reel 818 with cylinder connecting shaft；Stator upper axial (811) following table
Face is connect with Three Degree Of Freedom magnetic repulsion the top take-up reel of magnetic bearing axial magnetic circuit (812) upper surface.
3. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 2
It sets, which is characterized in that the stator upper axial (811) and stator lower axial end (823) are cylindrical；The Three Degree Of Freedom magnetic
Repulsion magnetic bearing axial magnetic circuit top take-up reel (812) and the lower part take-up reel of Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit
(818) in the form of annular discs.
4. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 2
It sets, which is characterized in that the Three Degree Of Freedom magnetic repulsion magnetic bearing radial stator along the circumferential direction uniformly cuts 3 pairs by a disk
Completely through the parallel slot of disk upper and lower surface, the parallel slot close to the side of disc centre position be formed by cylindrical surface with
Disc centre axis is coaxial and the diameter on cylindrical surface is greater than the diameter of cylinder connecting shaft 1. (816)；
The two degrees of freedom magnetic repulsion magnetic bearing radial stator is along the circumferential direction extended outwardly with cylindrical body to be separated by between three
120 ° of cylindricality magnetic poles, as two degrees of freedom magnetic repulsion magnetic bearing radial stator pole (820).
5. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 4
It sets, which is characterized in that the Three Degree Of Freedom magnetic repulsion magnetic bearing includes that Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit top connects
It closes (812), cylinder connecting shaft 1. (816), Three Degree Of Freedom magnetic repulsion magnetic bearing radial stator, cylinder connecting shaft 2. (817), three
Freedom degree magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel (818)；Outside the Three Degree Of Freedom magnetic repulsion magnetic bearing radial stator
It is cased with hollow collar plate shape Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole (91), Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor
The internal diameter of pole (91) is greater than the internal diameter 0.5mm of the stator poles of Three Degree Of Freedom magnetic repulsion magnetic bearing to form radial air gap；Three freely
The upper and lower surface of magnetic repulsion magnetic bearing radial rotor pole (91) is spent respectively and above and below the stator of Three Degree Of Freedom magnetic repulsion magnetic bearing
Surface is equidistant；The two sides up and down of Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole (91) laminate respectively one piece it is identical in
The permanent magnet of hollow-cylindrical, respectively Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnet 1. (71), Three Degree Of Freedom magnetic repulsion magnetic
Bearing axial permanent magnetic body is 2. (72)；Permanent magnet is 1., the internal diameter of permanent magnet 2. is radial slightly larger than Three Degree Of Freedom magnetic repulsion magnetic bearing turns
The internal diameter of sub- pole (91)；Permanent magnet 1., the outer diameter of permanent magnet 2. be equal to Three Degree Of Freedom magnetic repulsion magnetic bearing radial rotor pole (91)
Outer diameter；
Positioned at two axial rotor poles of the stator upper and lower position of Three Degree Of Freedom magnetic repulsion magnetic bearing, i.e. Three Degree Of Freedom magnetic repulsion magnetic
Bearing upper axial rotor pole (51) and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole (52), the two shape are hollow
1. cylindrical body is respectively symmetrically distributed in Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit top take-up reel (812), cylinder connecting shaft
(816), stator, the circle of the stator of Three Degree Of Freedom magnetic repulsion magnetic bearing is formed upper chamber and Three Degree Of Freedom magnetic repulsion magnetic bearing
In the column connecting shaft lower chamber that 2. (817), Three Degree Of Freedom magnetic repulsion magnetic bearing axial magnetic circuit lower part take-up reel (818) are formed；
Two end faces of Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole (51) are respectively apart from Three Degree Of Freedom magnetic repulsion magnetic bearing
The lower surface of axial magnetic circuit top take-up reel (812) and the stator upper surface 0.5mm of Three Degree Of Freedom magnetic repulsion magnetic bearing；Equally,
Two end faces of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole (52) are respectively apart from Three Degree Of Freedom magnetic repulsion magnetic bearing
The upper surface of axial magnetic circuit lower part take-up reel (818) and the stator lower surface 0.5mm of Three Degree Of Freedom magnetic repulsion magnetic bearing form axis
To air gap.
The interior outer side edges of Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole (51) are closely connected with two respectively
The permanent magnet of hollow cylinder, respectively Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 1. (41), Three Degree Of Freedom magnetic
Repulsion magnetic bearing upper radial permanent magnet is 2. (42)；The interior outside of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole (52)
Also corresponding to be connected with two block-shaped identical permanent magnets, respectively Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet
3. (43), Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body be 4. (44) for body；Three Degree Of Freedom magnetic repulsion magnetic bearing top diameter
To permanent magnet 1. (41) outer diameter be equal to Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole (51) internal diameter, Three Degree Of Freedom
Magnetic repulsion magnetic bearing upper permanent magnets 2. (42) internal diameter be equal to Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole (51)
Outer diameter；1. (41) and Three Degree Of Freedom magnetic repulsion magnetic bearing top are radial for Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet
2. (42) are equal on axial length but are less than the axis of Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole (51) for permanent magnet
To length, and Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 1. (41) and Three Degree Of Freedom magnetic repulsion magnetic bearing top
The upper and lower end face to the upper and lower end face of Three Degree Of Freedom magnetic repulsion magnetic bearing upper axial rotor pole (51) of radial permanent magnet body 2. (42)
Be equidistant；
Outer diameter (43), the Three Degree Of Freedom magnetic repulsion magnetic bearing lower part diameter of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body 3.
It is respectively equal to the internal diameter of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole (52) and outer to the internal diameter of permanent magnet 4. (44)
Diameter, and the two is equal on axial length but is less than the axial direction of Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole (52)
Length, the distance phase of the upper and lower end face of the upper and lower end face of the two to Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial rotor pole (52)
Deng.
Three Degree Of Freedom magnetic repulsion magnetic bearing upper radial permanent magnet 2. (42) outer diameter be equal to Three Degree Of Freedom magnetic repulsion magnetic bearing axis
To the permanent magnet 1. internal diameter of (71) and closely coupled；Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body 4. (44) it is outer
Diameter is equal to the Three Degree Of Freedom magnetic repulsion magnetic bearing axial permanent magnet 2. internal diameter of (72) and closely coupled；
Three Degree Of Freedom magnetic repulsion magnetic bearing top radial coil (61) and Three Degree Of Freedom magnetic repulsion magnetic bearing top radial coil
(61) it is wound on the outer surface of cylinder connecting shaft 1. (816), cylinder connecting shaft 2. (817), and Three Degree Of Freedom magnetic repulsion respectively
Magnetic bearing upper axial coil (61) and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part axial direction coil (62) are not denounceed with Three Degree Of Freedom magnetic
The outside of power magnetic bearing upper radial permanent magnet 1. (41) and Three Degree Of Freedom magnetic repulsion magnetic bearing lower part radial permanent magnet body 3. (43)
Surface contact.
6. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 4
It sets, which is characterized in that it is fixed equipped with two degrees of freedom magnetic repulsion magnetic bearing that the two degrees of freedom magnetic repulsion magnetic bearing is fastened in stator axis
Son, hollow collar plate shape two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole (92) coaxial sleeve are fixed in two degrees of freedom magnetic repulsion magnetic bearing
Sub outer, internal diameter is greater than the outer diameter 0.5mm of two degrees of freedom magnetic repulsion magnetic bearing stator, to form radial air gap；Two degrees of freedom magnetic
The upper and lower surface of repulsion magnetic bearing radial rotor pole (92) upper and lower surface with the stator of two degrees of freedom magnetic repulsion magnetic bearing respectively
Be equidistant；
The two sides up and down of two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole (92) have laminated identical hollow cylindrical respectively
1. (73), two degrees of freedom magnetic repulsion magnetic bearing are radial forever for permanent magnet, respectively two degrees of freedom magnetic repulsion magnetic bearing radial permanent magnet body
Magnet is 2. (74)；The internal diameter of two permanent magnets is slightly larger than the internal diameter of two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole (92)；Two
The outer diameter of a permanent magnet is equal to the outer diameter of two degrees of freedom magnetic repulsion magnetic bearing radial rotor pole (92)；3 two degrees of freedom magnetic repulsions
Magnetic bearing radial coil (64) is wound in respectively on 3 two degrees of freedom magnetic repulsion magnetic bearing radial stator poles (820).
7. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 1
It sets, which is characterized in that flywheel composite material periphery made of winding carbon fibre composite T300 on the outside of the flywheel hub
(14), and the upper and lower surface of flywheel composite material peripheral (14) is overlapped with the upper and lower surface of flywheel hub outer rim respectively.
8. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 1
It sets, which is characterized in that the shell includes upper end cover, lower cover and fuselage.
9. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 1
It sets, which is characterized in that the shell is equipped with vaccum exhaust outlet (13).
10. the vehicle-mounted flywheel energy storage dress of a kind of outer rotor based on novel magnetic repulsion hybrid magnetic bearing according to claim 1
Set, which is characterized in that the shell by pedestal fixing piece (15) be arranged pedestal (16) above.
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| CN201811183942.2A CN109378930B (en) | 2018-10-11 | 2018-10-11 | Outer rotor vehicle-mounted flywheel energy storage device based on novel magnetic repulsion hybrid magnetic bearing |
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|---|---|---|---|
| CN201811183942.2A CN109378930B (en) | 2018-10-11 | 2018-10-11 | Outer rotor vehicle-mounted flywheel energy storage device based on novel magnetic repulsion hybrid magnetic bearing |
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