CN106286594A - A kind of double Halbach array spherical Lorentz force magnetic bearing - Google Patents
A kind of double Halbach array spherical Lorentz force magnetic bearing Download PDFInfo
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- CN106286594A CN106286594A CN201610921211.8A CN201610921211A CN106286594A CN 106286594 A CN106286594 A CN 106286594A CN 201610921211 A CN201610921211 A CN 201610921211A CN 106286594 A CN106286594 A CN 106286594A
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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
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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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/30—Electric properties; Magnetic properties
- F16C2202/40—Magnetic
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention discloses a kind of double Halbach array spherical Lorentz force magnetic bearing, be made up of rotor-support-foundation system and stator system two parts, rotor-support-foundation system specifically includes that outer installation set, outer Halbach array magnet steel, outer magnetism-isolating loop, outer magnetic guiding loop, outer assembly locknut；Stator system specifically includes that interior mounting seat, interior Halbach array magnet steel, interior magnetism-isolating loop, interior magnetic guiding loop, skeleton, winding, epoxide-resin glue and inner assembly locknut；The present invention uses Halbach array magnetic steel structure, enhance air-gap field intensity, improve bearing capacity and the support stiffness of magnetic bearing, increase the deflection torque of magnetic bearing, utilize magnetic guiding loop to eliminate magnet steel to move because of the magnetic condensation wave that causes of splicing gap, improve the close uniformity of magnetic and magnetic bearing deflection torque precision in air gap.Additionally, magnetic pole strength is sphere, magnetic line of force vertical pole sphere all the time passes winding, and before and after deflection, the close size and Orientation of the magnetic of winding position all will not change, and further increases magnetic bearing deflection torque precision.
Description
Technical field
The present invention relates to a kind of non-contact magnetically suspension bearing, particularly relate to a kind of double spherical Lorentz force of Halbach array
Magnetic bearing.
Background technology
Along with the development of space technology, the control accuracy of posture control system is required more and more higher by spacecraft platform, tradition machine
The supporting of tool bearing, because there is the shortcomings such as friction, lubricating system is complicated, disturbing moment is big, can not meet the need of space technology development
Ask.Magnetic suspension bearing eliminate mechanical bearing fretting wear, without lubrication, there are micro-vibration and Active vibration suppression etc. excellent
Point, is the ideal supporting mode of flywheel.Magnetically levitated flywheel has the advantage such as high torque precision, high control bandwidth, and torque accuracy can
Reach 10-5Nm, be high accuracy, the preferable inertia actuator of high-resolution earth observation satellite.Magnetically levitated flywheel is in terms of rotating speed
Advantage so that it is reaction can be operated in for counteraction flyback, bias state can be operated in again for bias momentum
Wheel, improves rotating speed further and can be additionally used in the appearance dual-purpose flywheel of control energy storage, and above-mentioned three major types magnetically levitated flywheel output torque precision is high,
But moment is less, it is impossible to meet quick maneuvering satellite wide-angle attitude fast reserve and the demand of quickly response.
Magnetically suspended gyroscope flywheel can embody the advantage of magnetically levitated flywheel, can overcome again existing magnetically levitated flywheel power output
The shortcoming that square is less, exports deflection torque by radial direction two-freedom deflection magnetic bearing in controlling equatorial plane, forces and turn at a high speed
Sub-rotary shaft deflects, and produces gyroscopic procession, thus exports moment high-torque, it is achieved the agility of satellite is motor-driven.Generally magnetic axis
Holding and can be divided into reluctance type magnetic bearing and Lorentz force magnetic bearing, the former, by changing magnetomotive size, changes electromagnetic force
Size and Orientation, it is achieved the contactless stable suspersion of rotor；The latter is positioned over stator coil electricity in stationary magnetic field by control
The size and Orientation of stream, it is achieved rotor suspension.The magnetic flux of reluctance type magnetic bearing is linear with electric current, and electromagnetic force becomes with magnetic flux
Quadratic relationship, i.e. electromagnetic force become quadratic relationship with electric current, and the linearized rear range of linearity is narrower, and control accuracy and bandwidth are relatively low.
By comparison, the electromagnetic force of Lorentz force magnetic bearing is with the most current related and linear, and control accuracy is higher, therefore Lip river
Lun Zili magnetic bearing overcomes reluctance type magnetic bearing and causes the shortcoming that control accuracy is low because the range of linearity is narrower, is magnetic suspension top
The ideal chose of spiral shell flywheel radial deflection suspension bearing.
A kind of outer rotor Lorentz force axial magnetic bearing described in Chinese patent 201510146044.X, is placed by control
The size and Orientation of the stator coil electric current in stationary magnetic field, the Ampere force needed for generation, it is achieved rotor axial stable suspersion.
Described in Chinese patent 201510144912.0 a kind of dual-stator 3-freedom decoupling Lorentz force magnetic bearing in
On the basis of a kind of outer rotor Lorentz force axial magnetic bearing described in state's patent 201510146044.X, by increase axially around
Group produces Ampere force and controls axial translation, and deflection winding produces Ampere force and controls the deflection of the most radially two-freedom, it is achieved that
Axially translation is full decoupled with what radial deflection controlled, further increases the control accuracy of magnetic bearing.
A kind of two-freedom Lorentz force outer rotor sphere magnetic bearing described in Chinese patent 201510243920.0 in
A kind of outer rotor Lorentz force axial magnetic bearing described in state's patent 201510146044.X and Chinese patent
201510144912.0 on the basis of described a kind of dual-stator 3-freedom decoupling Lorentz force magnetic bearing, use spherical shell air gap
Scheme, it is achieved that rotor wide-angle deflection, overcomes the shortcoming that the Lorentz force magnetic bearing deflection angle of post shell air gap is less.
All employing tradition magnet steel splicing construction of above-mentioned Lorentz force magnetic bearing, air gap internal magnetic field intensity is relatively low, and magnet steel is spelled
Connect place's magnetic condensation wave dynamic relatively big, reduce magnetic bearing deflection torque precision.
Summary of the invention
It is an object of the invention to provide double Halbach battle arrays of a kind of high magnetic field intensity, high-magnetodensity uniformity, high torque precision
Arrange spherical Lorentz force magnetic bearing.
It is an object of the invention to be achieved through the following technical solutions:
Double Halbach array spherical Lorentz force magnetic bearing of the present invention, is mainly made up of rotor-support-foundation system and stator system,
Rotor-support-foundation system specifically include that outer installation set, outer Halbach array magnet steel, outer magnetism-isolating loop, outside upper magnetic guiding loop, outer lower magnetic guiding loop and
Outer assembly locknut；Stator system specifically includes that interior mounting seat, interior Halbach array magnet steel, interior magnetism-isolating loop, interior upper magnetic guiding loop, interior
Lower magnetic guiding loop, left skeleton, right skeleton, left winding, right winding, front winding, rear winding, epoxide-resin glue and inner assembly locknut；Outward
Set is installed and is positioned at outer Halbach array magnet steel, outer magnetism-isolating loop, outside upper magnetic guiding loop, outer lower magnetic guiding loop and and the footpath of outer assembly locknut
Laterally, outer Halbach array magnet steel is positioned at outer installation and overlaps radially inner side center, and outer magnetism-isolating loop is positioned at outer Halbach battle array
Row magnet steel radially inner side, outside upper magnetic guiding loop is positioned at outer Halbach array magnet steel and the upper end of outer magnetism-isolating loop, and outer lower magnetic guiding loop is positioned at
Outer Halbach array magnet steel and the lower end of outer magnetism-isolating loop, outer assembly locknut is positioned at the lower end of outer lower magnetic guiding loop, outer Halbach battle array
Row magnet steel, outer magnetism-isolating loop, outside upper magnetic guiding loop, outer lower magnetic guiding loop and outer assembly locknut are positioned at the outer radially inner side installing set, and lead to
The threaded engagement fixed installation installation outside crossed between outer assembly locknut and outer installation set puts, and interior mounting seat is positioned at
Halbach array magnet steel, interior magnetism-isolating loop, interior upper magnetic guiding loop, interior lower magnetic guiding loop, left skeleton, right skeleton, left winding, right winding, front
Winding, rear winding, epoxide-resin glue and the radially inner side of inner assembly locknut, interior Halbach array magnet steel is positioned at mounting seat
Radial outside center, interior magnetism-isolating loop is positioned at the radial outside of Halbach array magnet steel, and interior upper magnetic guiding loop is positioned at
Halbach array magnet steel and the upper end of interior magnetism-isolating loop, interior lower magnetic guiding loop is positioned under Halbach array magnet steel and magnetism-isolating loop
End, left skeleton is positioned at the left end radial outside of magnetism-isolating loop, upper magnetic guiding loop and lower magnetic guiding loop, and right skeleton is positioned at every magnetic
Right section of radial outside of ring, interior upper magnetic guiding loop and interior lower magnetic guiding loop, left winding, right winding, front winding and rear winding lay respectively at
Left skeleton and left end radial outside, right-hand member radial outside, front end radial outside and the rear end radial outside of right skeleton composition entirety,
Left skeleton, right skeleton, left winding, right winding, front winding and rear winding are cured as an entirety, inner assembly by epoxide-resin glue
Locknut is positioned at lower magnetic guiding loop, left skeleton and right skeleton lower end, interior Halbach array magnet steel, interior magnetism-isolating loop, interior upper magnetic guiding loop,
Interior lower magnetic guiding loop, left skeleton, right skeleton, left winding, right winding, front winding, rear winding and epoxide-resin glue are positioned at mounting seat
Radial outside, and be fixedly mounted in interior mounting seat by the threaded engagement between inner assembly locknut and interior mounting seat, interior every
Magnet ring, between interior upper magnetic guiding loop and the Internal Spherical Surface of interior lower magnetic guiding loop and the spherical outside surface of epoxide-resin glue formed air gap.
As seen from the above technical solution provided by the invention, double Halbach array balls that the embodiment of the present invention provides
Shape Lorentz force magnetic bearing, owing to using Halbach array magnetic steel structure, with the magnetic steel structure of conventionally employed individual pen axial charging
Compare, enhance air-gap field intensity, improve bearing capacity and the support stiffness of magnetic bearing, utilize magnetic guiding loop function to eliminate biography
The magnetic condensation wave that system Lorentz force magnetic bearing causes because of magnet steel splicing gap moves, and improves the control of air gap flux density uniformity and magnetic bearing
Precision processed.Additionally, magnetic pole strength is sphere, magnetic line of force vertical pole sphere all the time passes winding, winding position before and after deflection
The close size and Orientation of magnetic all will not change, and the paired Ampere force size and Orientation that i.e. energising winding produces will not change, further
Improve magnetic bearing deflection torque precision.
Accompanying drawing explanation
Fig. 1 is that radial direction X of a kind of pair of Halbach array spherical Lorentz force magnetic bearing in the embodiment of the present invention is to section view
Figure；
Fig. 2 is the radial direction Y-direction section view of a kind of pair of Halbach array spherical Lorentz force magnetic bearing in the embodiment of the present invention
Figure；
Fig. 3 is the sectional view of the rotor-support-foundation system in the embodiment of the present invention；
Fig. 4 is the sectional view of the stator system in the embodiment of the present invention；
Fig. 5 a is the left skeleton in the embodiment of the present invention and the sectional view of right skeleton；
Fig. 5 b is the three dimensional structure schematic diagram of the left skeleton in the embodiment of the present invention and right skeleton；
Fig. 6 a is the outside upper magnetic guiding loop in the embodiment of the present invention and outer lower magnetic guiding loop sectional view；
Fig. 6 b is the interior upper magnetic guiding loop in the embodiment of the present invention and interior lower magnetic guiding loop sectional view.
Detailed description of the invention
The embodiment of the present invention will be described in further detail below.
Double Halbach array spherical Lorentz force magnetic bearing of the present invention, its preferably detailed description of the invention is:
Mainly being made up of rotor-support-foundation system and stator system, rotor-support-foundation system specifically includes that outer installation set, outer Halbach array
Magnet steel, outer magnetism-isolating loop, outside upper magnetic guiding loop, outer lower magnetic guiding loop and outer assembly locknut；Stator system specifically includes that interior mounting seat, interior
Halbach array magnet steel, interior magnetism-isolating loop, interior upper magnetic guiding loop, interior lower magnetic guiding loop, left skeleton, right skeleton, left winding, right winding, front
Winding, rear winding, epoxide-resin glue and inner assembly locknut；Outer installation set is positioned at outer Halbach array magnet steel, outer magnetism-isolating loop, outer
Upper magnetic guiding loop, outer lower magnetic guiding loop and and the radial outside of outer assembly locknut, outer Halbach array magnet steel is positioned at outer installs set radially
Medial center position, outer magnetism-isolating loop is positioned at outer Halbach array magnet steel radially inner side, and outside upper magnetic guiding loop is positioned at outer Halbach battle array
Row magnet steel and the upper end of outer magnetism-isolating loop, outer lower magnetic guiding loop is positioned at outer Halbach array magnet steel and the lower end of outer magnetism-isolating loop, outer assembly
Locknut is positioned at the lower end of outer lower magnetic guiding loop, outer Halbach array magnet steel, outer magnetism-isolating loop, outside upper magnetic guiding loop, outer lower magnetic guiding loop and outer
Assembly locknut is positioned at the outer radially inner side installing set, and by the fixing peace of the threaded engagement between outer assembly locknut and outer installation set
Be contained in outer installation to put, interior mounting seat be positioned at Halbach array magnet steel, magnetism-isolating loop, upper magnetic guiding loop, lower magnetic guiding loop,
Left skeleton, right skeleton, left winding, right winding, front winding, rear winding, epoxide-resin glue and the radially inner side of inner assembly locknut, interior
Halbach array magnet steel is positioned at the radial outside center of mounting seat, and interior magnetism-isolating loop is positioned at Halbach array magnet steel
Radial outside, interior upper magnetic guiding loop is positioned at the upper end of Halbach array magnet steel and magnetism-isolating loop, and interior lower magnetic guiding loop is positioned at
Halbach array magnet steel and the lower end of interior magnetism-isolating loop, left skeleton is positioned at magnetism-isolating loop, upper magnetic guiding loop and a left side for lower magnetic guiding loop
End radial outside, right skeleton is positioned at right section of radial outside of magnetism-isolating loop, upper magnetic guiding loop and lower magnetic guiding loop, left winding, the right side
Winding, front winding and rear winding lay respectively at left skeleton and the overall left end radial outside of right skeleton composition, right-hand member radial outside,
Front end radial outside and rear end radial outside, left skeleton, right skeleton, left winding, right winding, front winding and rear winding pass through epoxy
Resin glue is cured as an entirety, and inner assembly locknut is positioned at lower magnetic guiding loop, left skeleton and right skeleton lower end, interior Halbach battle array
Row magnet steel, interior magnetism-isolating loop, interior upper magnetic guiding loop, interior lower magnetic guiding loop, left skeleton, right skeleton, left winding, right winding, front winding, after around
Group and epoxide-resin glue are positioned at the radial outside of mounting seat, and by the threaded engagement between inner assembly locknut and interior mounting seat
It is fixedly mounted in interior mounting seat, outside the Internal Spherical Surface of interior magnetism-isolating loop, interior upper magnetic guiding loop and interior lower magnetic guiding loop is with epoxide-resin glue
Air gap is formed between sphere.
Described outside upper magnetic guiding loop, outer lower magnetic guiding loop, interior upper magnetic guiding loop and interior lower magnetic guiding loop are 1J50 or 1J22 bar
Material.Described outer installation set, outer magnetism-isolating loop, outer assembly locknut, interior mounting seat, interior magnetism-isolating loop and inner assembly locknut are heat conduction
The duralumin, hard alumin ium alloy 2A12 or extra super duralumin alloy 7A09 of better performances are every bar magnet material material.Described outer Halbach array magnet steel and
Interior Halbach array magnet steel is Nd Fe B alloys or shirt cobalt alloy hard magnetic material, and by three circle magnet steel by Halbach array side
Formula splicing composition.Described outer Halbach array magnet steel and interior Halbach array magnet steel three enclose magnet steel magnetizing direction radially by outward
It is followed successively by Zhi: lower S in S, outside upper N under the interior outside lower S of upper N, upper N, upper S in S, outside lower N on the interior outside upper S of lower N, lower N, or is on interior
Lower N in N, outside upper S under the outside lower N of S, upper S, upper N in N, outside lower S on the interior outside upper N of lower S, lower S.Described left skeleton and right skeleton shape
Shape size is completely the same, is the polyimide material of high temperature resistance and high strength.Described epoxide-resin glue curing environment is
Normal-temperature vacuum environment, is not less than 24 hours hardening time.Described outside upper magnetic guiding loop and the Internal Spherical Surface centre of sphere of outer lower magnetic guiding loop with
In upper magnetic guiding loop and the interior lower magnetic guiding loop spherical outside surface centre of sphere be completely superposed when equilbrium position, and outside upper magnetic guiding loop, outer lower magnetic guiding loop,
Interior upper magnetic guiding loop is identical with the magnetic pole sphere of interior lower magnetic guiding loop angle of circumference in radial section.
The principle of the present invention is:
A kind of double Halbach array spherical Lorentz force magnetic bearings in the present invention, can control rotor radially X, Y-direction
Deflection, outer Halbach array magnet steel (2) and interior Halbach array magnet steel (7) produce constant permanent magnetic field, utilize two in pairs
Hot-wire coil produces Ampere force two couples of composition in opposite direction equal in magnitude, controls the deflection of rotor radial two-freedom.
The present invention+X passage permanent magnetic circuit is: magnetic flux is from outer Halbach array magnet steel N pole, on outside upper magnetic guiding loop, air gap
End, left winding upper end and interior upper magnetic guiding loop, the S pole of Halbach array magnet steel in arriving, flow from interior Halbach array magnet steel N pole
Go out, through interior lower magnetic guiding loop, left winding lower end, air gap lower end and outer lower magnetic guiding loop, return to the S of outer Halbach array magnet steel
Pole；-X passage permanent magnetic circuit is: magnetic flux is from outer Halbach array magnet steel N pole, through outside upper magnetic guiding loop, air gap upper end, the right side
Winding upper end and interior upper magnetic guiding loop, the S pole of Halbach array magnet steel in arriving, flow out from interior Halbach array magnet steel N pole, warp
In crossing, lower magnetic guiding loop, right winding lower end, air gap lower end and outer lower magnetic guiding loop, return to the S pole of outer Halbach array magnet steel.Along Y side
To magnetic circuit as in figure 2 it is shown, its magnetic circuit is with similar.
Present invention advantage compared with prior art is:
Due to the fact that employing Halbach array magnetic steel structure, with the magnetic steel structure phase of conventionally employed individual pen axial charging
Ratio, enhances air-gap field intensity, improves bearing capacity and the support stiffness of magnetic bearing, utilizes magnetic guiding loop function to eliminate tradition
The magnetic condensation wave that Lorentz force magnetic bearing causes because of magnet steel splicing gap moves, and improves the control of air gap flux density uniformity and magnetic bearing
Precision.Additionally, magnetic pole strength is sphere, magnetic line of force vertical pole sphere all the time passes winding, the magnetic of winding position before and after deflection
Close size and Orientation all will not change, and the paired Ampere force size and Orientation that i.e. energising winding produces will not change, and carries further
High magnetic bearing deflection torque precision.There is high magnetic field intensity, high-magnetodensity uniformity, high torque precision, there is relatively large bearing capacity
And support stiffness, can be used for magnetically suspended gyroscope flywheel rotor two-freedom deflection suspension bearing.
Specific embodiment:
As shown in Figure 1, 2, a kind of double Halbach array spherical Lorentz force magnetic bearings, mainly by rotor-support-foundation system and stator
System form, it is characterised in that rotor-support-foundation system specifically include that outer installation set 1, outer Halbach array magnet steel 2, outer magnetism-isolating loop 3,
Outside upper magnetic guiding loop 4A, outer lower magnetic guiding loop 4B and outer assembly locknut 5；Stator system specifically includes that interior mounting seat 6, interior Halbach battle array
Row magnet steel 7, interior magnetism-isolating loop 8, interior upper magnetic guiding loop 9A, interior lower magnetic guiding loop 9B, left skeleton 10A, right skeleton 10B, left winding 11A, the right side
Winding 11B, front winding 11C, rear winding 11D, epoxide-resin glue 12 and inner assembly locknut 13；Outer set 1 of installing is positioned at outer Halbach
Array magnet steel 2, outer magnetism-isolating loop 3, outside upper magnetic guiding loop 4A, outer lower magnetic guiding loop 4B and and the radial outside of outer assembly locknut 5, outward
Halbach array magnet steel 2 is positioned at outer installation and overlaps 1 radially inner side center, and outer magnetism-isolating loop 3 is positioned at outer Halbach array magnet steel 2
Radially inner side, outside upper magnetic guiding loop 4A is positioned at outer Halbach array magnet steel 2 and the upper end of outer magnetism-isolating loop 3, and outer lower magnetic guiding loop 4B is positioned at
Outer Halbach array magnet steel 2 and the lower end of outer magnetism-isolating loop 3, outer assembly locknut 5 is positioned at the lower end of outer lower magnetic guiding loop 4B, outward
Halbach array magnet steel 2, outer magnetism-isolating loop 3, outside upper magnetic guiding loop 4A, outer lower magnetic guiding loop 4B and outer assembly locknut 5 are positioned at outer installation and overlap
The radially inner side of 1, and installed outside on set 1 by outer assembly locknut 5 and the outer threaded engagement fixed installation installed between set 1,
Interior mounting seat 6 is positioned at Halbach array magnet steel 7, magnetism-isolating loop 8, upper magnetic guiding loop 9A, lower magnetic guiding loop 9B, left skeleton
10A, right skeleton 10B, left winding 11A, right winding 11B, front winding 11C, rear winding 11D, epoxide-resin glue 12 and inner assembly lock
The radially inner side of female 13, interior Halbach array magnet steel 7 is positioned at the radial outside center of mounting seat 6, interior magnetism-isolating loop 8
In the radial outside of interior Halbach array magnet steel 7, interior upper magnetic guiding loop 9A is positioned at Halbach array magnet steel 7 and magnetism-isolating loop 8
Upper end, interior lower magnetic guiding loop 9B is positioned at Halbach array magnet steel 7 and the lower end of magnetism-isolating loop 8, left skeleton 10A be positioned at every
Magnet ring 8, interior upper magnetic guiding loop 9A and the left end radial outside of interior lower magnetic guiding loop 9B, right skeleton 10B be positioned at magnetism-isolating loop 8, on lead
The right section of radial outside of magnet ring 9A and interior lower magnetic guiding loop 9B, left winding 11A, right winding 11B, front winding 11C and rear winding 11D divide
Be not positioned at the overall left end radial outside of left skeleton 10A and right skeleton 10B composition, right-hand member radial outside, front end radial outside and
Rear end radial outside, left skeleton 10A, right skeleton 10B, left winding 11A, right winding 11B, front winding 11C and rear winding 11D pass through
Epoxide-resin glue 12 is cured as an entirety, and inner assembly locknut 13 is positioned at lower magnetic guiding loop 9B, left skeleton 10A and right skeleton 10B
Lower end, interior Halbach array magnet steel 7, interior magnetism-isolating loop 8, interior upper magnetic guiding loop 9A, interior lower magnetic guiding loop 9B, left skeleton 10A, right skeleton
10B, left winding 11A, right winding 11B, front winding 11C, rear winding 11D and epoxide-resin glue 12 are positioned at the radial direction of mounting seat 6
Outside, and be fixedly mounted in interior mounting seat 6 by the threaded engagement between inner assembly locknut 13 and interior mounting seat 6, interior every magnetic
Ring 8, between interior upper magnetic guiding loop 9A and the Internal Spherical Surface of interior lower magnetic guiding loop 9B and the spherical outside surface of epoxide-resin glue 12 formed air gap 14.
Fig. 3 is the sectional view of the rotor-support-foundation system of the technology of the present invention solution, rotor-support-foundation system specifically include that outer installation set 1,
Outer Halbach array magnet steel 2, outer magnetism-isolating loop 3, outside upper magnetic guiding loop 4A, outer lower magnetic guiding loop 4B and outer assembly locknut 5.Outer installation set 1
It is positioned at outer Halbach array magnet steel 2, outer magnetism-isolating loop 3, outside upper magnetic guiding loop 4A, outer lower magnetic guiding loop 4B and and the footpath of outer assembly locknut 5
Laterally, outer Halbach array magnet steel 2 is positioned at outer installation and overlaps 1 radially inner side center, and outer magnetism-isolating loop 3 is positioned at outer Halbach
Array magnet steel 2 radially inner side, outside upper magnetic guiding loop 4A is positioned at outer Halbach array magnet steel 2 and the upper end of outer magnetism-isolating loop 3, outside lower leads
Magnet ring 4B is positioned at outer Halbach array magnet steel 2 and the lower end of outer magnetism-isolating loop 3, and outer assembly locknut 5 is positioned under outer lower magnetic guiding loop 4B
End, outside outer Halbach array magnet steel 2, outer magnetism-isolating loop 3, outside upper magnetic guiding loop 4A, outer lower magnetic guiding loop 4B and outer assembly locknut 5 are positioned at
The radially inner side of set 1 is installed, and is installed outside by outer assembly locknut 5 and the outer threaded engagement fixed installation installed between set 1
On set 1.Outside upper magnetic guiding loop 4A used by foregoing invention and outer lower magnetic guiding loop 4B is 1J50 or 1J22 bar material, outer peace used
Encapsulation 1, outer magnetism-isolating loop 3 and outer assembly locknut 5 be heat conductivility preferable duralumin, hard alumin ium alloy 2A12 or extra super duralumin alloy 7A09 every
Bar magnet material material, outer Halbach array magnet steel 2 used is Nd Fe B alloys or shirt cobalt alloy hard magnetic material, and by three circle magnetic
Steel splices composition by Halbach array mode, and its magnetizing direction is followed successively by from outside to inside: S, outside upper N under the interior outside lower S of upper N, upper N
Lower N in N, outside upper S under interior lower S or the interior outside lower N of upper S, upper S.
Fig. 4 is the sectional view of the stator system of the technology of the present invention solution, stator system specifically include that interior mounting seat 6,
Interior Halbach array magnet steel 7, interior magnetism-isolating loop 8, interior upper magnetic guiding loop 9A, interior lower magnetic guiding loop 9B, left skeleton 10A, right skeleton 10B, a left side
Winding 11A, right winding 11B, front winding 11C, rear winding 11D, epoxide-resin glue 12 and inner assembly locknut 13.Interior mounting seat 6
In interior Halbach array magnet steel 7, interior magnetism-isolating loop 8, interior upper magnetic guiding loop 9A, interior lower magnetic guiding loop 9B, left skeleton 10A, right skeleton 10B,
Left winding 11A, right winding 11B, front winding 11C, rear winding 11D, epoxide-resin glue 12 and the radially inner side of inner assembly locknut 13,
Interior Halbach array magnet steel 7 is positioned at the radial outside center of mounting seat 6, and interior magnetism-isolating loop 8 is positioned at Halbach array
The radial outside of magnet steel 7, interior upper magnetic guiding loop 9A is positioned at Halbach array magnet steel 7 and the upper end of magnetism-isolating loop 8, interior lower magnetic conduction
Ring 9B is positioned at Halbach array magnet steel 7 and the lower end of magnetism-isolating loop 8, and left skeleton 10A is positioned at magnetism-isolating loop 8, upper magnetic guiding loop
9A and the left end radial outside of interior lower magnetic guiding loop 9B, right skeleton 10B is positioned at magnetism-isolating loop 8, upper magnetic guiding loop 9A and lower magnetic conduction
The right section of radial outside of ring 9B, left winding 11A, right winding 11B, front winding 11C and rear winding 11D lay respectively at left skeleton 10A
Left end radial outside, right-hand member radial outside, front end radial outside and the rear end radial outside overall with right skeleton 10B composition, left
Skeleton 10A, right skeleton 10B, left winding 11A, right winding 11B, front winding 11C and rear winding 11D are solid by epoxide-resin glue 12
Turning to an entirety, inner assembly locknut 13 is positioned at lower magnetic guiding loop 9B, left skeleton 10A and right skeleton 10B lower end, interior Halbach
Array magnet steel 7, interior magnetism-isolating loop 8, interior upper magnetic guiding loop 9A, interior lower magnetic guiding loop 9B, left skeleton 10A, right skeleton 10B, left winding 11A,
Right winding 11B, front winding 11C, rear winding 11D and epoxide-resin glue 12 are positioned at the radial outside of mounting seat 6, and by interior group
Threaded engagement between part locknut 13 and interior mounting seat 6 is fixedly mounted in interior mounting seat 6.Upper magnetic guiding loop in used by foregoing invention
9A and interior lower magnetic guiding loop 9B is 1J50 or 1J22 bar material, interior mounting seat 6, interior magnetism-isolating loop 8 and inner assembly locknut used
13 are heat conductivility preferable duralumin, hard alumin ium alloy 2A12 or extra super duralumin alloy 7A09 every bar magnet material material, interior Halbach used
Array magnet steel 7 is Nd Fe B alloys or shirt cobalt alloy hard magnetic material, and by three circle magnet steel by Halbach array mode splicing group
Becoming, its magnetizing direction is followed successively by from outside to inside: go up in S, outside lower N the interior outside upper S of lower N, lower N on N on S or the interior outside upper N of lower S, lower S,
Upper N in outside lower S.
Fig. 5 a is left skeleton 10A and the sectional view of right skeleton 10B of the technology of the present invention solution, and Fig. 5 b is skill of the present invention
The left skeleton 10A of art solution and the three dimensional structure schematic diagram of right skeleton 10B, its material is that the polyamides of high temperature resistance and high strength is sub-
Amine material, and overall dimensions is identical, have outside the assembly of left skeleton 10A and right skeleton 10B composition left boss, right boss,
Front boss and rear boss, be respectively used to left winding 11A, right winding 11B, front winding 11C and tetra-windings of rear winding 11D and be wound around.
Fig. 6 a is the outside upper magnetic guiding loop 4A of the technology of the present invention solution and outer lower magnetic guiding loop 4B sectional view, and Fig. 6 b is this
The interior upper magnetic guiding loop 9A of bright technical solution and interior lower magnetic guiding loop 9B sectional view, its material is 1J50 or 1J22 bar material
Material, outside upper magnetic guiding loop 4A is identical with outer lower magnetic guiding loop 4B overall dimensions, outside interior upper magnetic guiding loop 9A and interior lower magnetic guiding loop 9B
Shape size is identical, under poised state, and the Internal Spherical Surface centre of sphere of outside upper magnetic guiding loop 4A and outer lower magnetic guiding loop 4B and interior upper magnetic guiding loop
The spherical outside surface centre of sphere of 9A and interior lower magnetic guiding loop 9B is completely superposed.
The content not being described in detail in description of the invention belongs to prior art known to professional and technical personnel in the field.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto,
Any those familiar with the art in the technical scope of present disclosure, the change that can readily occur in or replacement,
All should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Enclose and be as the criterion.
Claims (8)
1. double Halbach array spherical Lorentz force magnetic bearings, are mainly made up of rotor-support-foundation system and stator system, its feature
It is:
Described rotor-support-foundation system specifically includes that
Outer installation overlaps (1), outer Halbach array magnet steel (2), outer magnetism-isolating loop (3), outside upper magnetic guiding loop (4A), outer lower magnetic guiding loop
(4B) with outer assembly locknut (5)；
Described stator system specifically includes that
Interior mounting seat (6), interior Halbach array magnet steel (7), interior magnetism-isolating loop (8), interior upper magnetic guiding loop (9A), interior lower magnetic guiding loop
(9B), left skeleton (10A), right skeleton (10B), left winding (11A), right winding (11B), front winding (11C), rear winding (11D),
Epoxide-resin glue (12) and inner assembly locknut (13)；
Described outer set (1) of installing is positioned at outer Halbach array magnet steel (2), outer magnetism-isolating loop (3), outside upper magnetic guiding loop (4A), outside lower leads
Magnet ring (4B) and the radial outside with outer assembly locknut (5), it is inside that outer Halbach array magnet steel (2) is positioned at outer installation set (1) footpath
Center, side, outer magnetism-isolating loop (3) is positioned at outer Halbach array magnet steel (2) radially inner side, outside outside upper magnetic guiding loop (4A) is positioned at
Halbach array magnet steel (2) and the upper end of outer magnetism-isolating loop (3), outer lower magnetic guiding loop (4B) is positioned at outer Halbach array magnet steel (2)
With the lower end of outer magnetism-isolating loop (3), outer assembly locknut (5) is positioned at the lower end of outer lower magnetic guiding loop (4B), outer Halbach array magnet steel
(2), outer magnetism-isolating loop (3), outside upper magnetic guiding loop (4A), outer lower magnetic guiding loop (4B) and outer assembly locknut (5) are positioned at outer installation and overlap (1)
Radially inner side, and by outer assembly locknut (5) and the outer threaded engagement fixed installation installed between set (1), set (1) is installed outside
On, interior mounting seat (6) is positioned at Halbach array magnet steel (7), magnetism-isolating loop (8), upper magnetic guiding loop (9A), lower magnetic guiding loop
(9B), left skeleton (10A), right skeleton (10B), left winding (11A), right winding (11B), front winding (11C), rear winding (11D),
Epoxide-resin glue (12) and the radially inner side of inner assembly locknut (13), interior Halbach array magnet steel (7) is positioned at mounting seat (6)
Radial outside center, interior magnetism-isolating loop (8) is positioned at the radial outside of Halbach array magnet steel (7), interior upper magnetic guiding loop
(9A) being positioned at Halbach array magnet steel (7) and the upper end of magnetism-isolating loop (8), interior lower magnetic guiding loop (9B) is positioned at Halbach battle array
Row magnet steel (7) and the lower end of interior magnetism-isolating loop (8), left skeleton (10A) be positioned at magnetism-isolating loop (8), upper magnetic guiding loop (9A) and under
The left end radial outside of magnetic guiding loop (9B), right skeleton (10B) is positioned at magnetism-isolating loop (8), upper magnetic guiding loop (9A) and lower magnetic conduction
Right section of radial outside of ring (9B), left winding (11A), right winding (11B), front winding (11C) and rear winding (11D) lay respectively at
Left skeleton (10A) and the overall left end radial outside of right skeleton (10B) composition, right-hand member radial outside, front end radial outside and after
End radial outside, left skeleton (10A), right skeleton (10B), left winding (11A), right winding (11B), front winding (11C) and after around
Group (11D) is cured as an entirety by epoxide-resin glue (12), and inner assembly locknut (13) is positioned at lower magnetic guiding loop (9B), left bone
Frame (10A) and right skeleton (10B) lower end, interior Halbach array magnet steel (7), interior magnetism-isolating loop (8), interior upper magnetic guiding loop (9A), interior under
Magnetic guiding loop (9B), left skeleton (10A), right skeleton (10B), left winding (11A), right winding (11B), front winding (11C), rear winding
(11D) radial outside of mounting seat (6) it is positioned at epoxide-resin glue (12), and by inner assembly locknut (13) and interior mounting seat
(6) threaded engagement between is fixedly mounted in interior mounting seat (6), interior magnetism-isolating loop (8), interior upper magnetic guiding loop (9A) and interior lower magnetic conduction
Air gap (14) is formed between Internal Spherical Surface and the spherical outside surface of epoxide-resin glue (12) of ring (9B).
The most according to claim 1 pair of Halbach array spherical Lorentz force magnetic bearing, it is characterised in that: outside described
Upper magnetic guiding loop (4A), outer lower magnetic guiding loop (4B), interior upper magnetic guiding loop (9A) and interior lower magnetic guiding loop (9B) are 1J50 or 1J22 bar
Material.
The most according to claim 1 pair of Halbach array spherical Lorentz force magnetic bearing, it is characterised in that: outside described
Set (1), outer magnetism-isolating loop (3), outer assembly locknut (5), interior mounting seat (6), interior magnetism-isolating loop (8) and inner assembly locknut (13) are installed equal
For heat conductivility preferable duralumin, hard alumin ium alloy 2A12 or extra super duralumin alloy 7A09 every bar magnet material material.
The most according to claim 1 pair of Halbach array spherical Lorentz force magnetic bearing, it is characterised in that: outside described
Halbach array magnet steel (2) and interior Halbach array magnet steel (7) they are Nd Fe B alloys or shirt cobalt alloy hard magnetic material, and by
Three circle magnet steel splice composition by Halbach array mode.
The most according to claim 1 pair of Halbach array spherical Lorentz force magnetic bearing, it is characterised in that: outside described
Halbach array magnet steel (2) and interior Halbach array magnet steel (7) three circle magnet steel magnetizing direction are radially followed successively by from outside to inside: interior
Lower S in S, outside upper N under the outside lower S of upper N, upper N, upper S in S, outside lower N on the interior outside upper S of lower N, lower N, or be under the interior outside lower N of upper S, upper S
Lower N in N, outside upper S, upper N in N, outside lower S on the interior outside upper N of lower S, lower S.
The most according to claim 1 pair of Halbach array spherical Lorentz force magnetic bearing, it is characterised in that: a described left side
Skeleton (10A) and right skeleton (10B) geomery size are completely the same, are the polyimide material of high temperature resistance and high strength.
The most according to claim 1 pair of Halbach array spherical Lorentz force magnetic bearing, it is characterised in that: described ring
Epoxy resins glue (12) curing environment is normal-temperature vacuum environment, is not less than 24 hours hardening time.
The most according to claim 1 pair of Halbach array spherical Lorentz force magnetic bearing, it is characterised in that: outside described
The Internal Spherical Surface centre of sphere of upper magnetic guiding loop (4A) and outer lower magnetic guiding loop (4B) and interior upper magnetic guiding loop (9A) and interior lower magnetic guiding loop (9B) ectosphere
The face centre of sphere is completely superposed when equilbrium position, and outside upper magnetic guiding loop (4A), outer lower magnetic guiding loop (4B), interior upper magnetic guiding loop (9A) and interior
The magnetic pole sphere of lower magnetic guiding loop (9B) angle of circumference in radial section is identical.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107387559A (en) * | 2017-08-18 | 2017-11-24 | 北京石油化工学院 | A kind of implicit Lorentz force deflection magnetic bearing of double magnetic circuit |
| CN107575473A (en) * | 2017-08-18 | 2018-01-12 | 北京石油化工学院 | A kind of Halbach spheres implicit Lorentz force deflection magnetic bearing of synergistic effect |
| CN108180219A (en) * | 2017-12-29 | 2018-06-19 | 北京石油化工学院 | A kind of large bearing capacity high dynamic response axial direction Lorentz force magnetic bearing |
| CN108194505A (en) * | 2017-12-29 | 2018-06-22 | 北京石油化工学院 | A kind of implicit high-damping Lorentz force radial direction magnetic bearing |
| CN109973527A (en) * | 2019-04-29 | 2019-07-05 | 北京石油化工学院 | A kind of axial passive magnetic bearing of the big damping of the high rigidity with halbach magnetism gathering rings |
| CN111120510A (en) * | 2019-12-19 | 2020-05-08 | 北京哈尔贝克科技有限公司 | High-rigidity spherical Lorentz deflection bearing with auxiliary air gap |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107387559A (en) * | 2017-08-18 | 2017-11-24 | 北京石油化工学院 | A kind of implicit Lorentz force deflection magnetic bearing of double magnetic circuit |
| CN107575473A (en) * | 2017-08-18 | 2018-01-12 | 北京石油化工学院 | A kind of Halbach spheres implicit Lorentz force deflection magnetic bearing of synergistic effect |
| CN108180219A (en) * | 2017-12-29 | 2018-06-19 | 北京石油化工学院 | A kind of large bearing capacity high dynamic response axial direction Lorentz force magnetic bearing |
| CN108194505A (en) * | 2017-12-29 | 2018-06-22 | 北京石油化工学院 | A kind of implicit high-damping Lorentz force radial direction magnetic bearing |
| CN109973527A (en) * | 2019-04-29 | 2019-07-05 | 北京石油化工学院 | A kind of axial passive magnetic bearing of the big damping of the high rigidity with halbach magnetism gathering rings |
| CN111120510A (en) * | 2019-12-19 | 2020-05-08 | 北京哈尔贝克科技有限公司 | High-rigidity spherical Lorentz deflection bearing with auxiliary air gap |
| CN111120510B (en) * | 2019-12-19 | 2021-04-09 | 北京哈尔贝克科技有限公司 | High-rigidity spherical Lorentz deflection bearing with auxiliary air gap |
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