CN207530686U - A kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor - Google Patents
A kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor Download PDFInfo
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- CN207530686U CN207530686U CN201721693486.7U CN201721693486U CN207530686U CN 207530686 U CN207530686 U CN 207530686U CN 201721693486 U CN201721693486 U CN 201721693486U CN 207530686 U CN207530686 U CN 207530686U
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Abstract
The utility model is related to magnetic suspension switched reluctance motor field, purpose will solve the problems, such as that unstable magnetic suspension motor output torque and suspending power and rotary force have close coupling.The utility model proposes a kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor, including electric motor internal stator, outer stator of motor, rotor, stator permanent magnet, rotor permanent magnet.The outer stator of motor and electric motor internal stator respectively have 12 teeth, and inner stator tooth using its axis as rotation center rotate clockwise can be corresponding after 15 degree external stator tooth be aligned radially.After external stator winding is powered, electromagnetic torque, driving electronics rotor rotation are provided for rotor；After inner stator winding is powered, suspending power is provided for rotor, rotor is made to keep stable suspersion.The utility model is stablized suitable for torque, big torque, and rotating speed is high, the small field of noise, such as artificial heart pump, centrifuge field.
Description
Technical field
The utility model is related to a kind of magnetic suspension switched reluctance motor, particularly a kind of novel crossed bimorph transducer magnetic suspension is opened
Close reluctance motor.
Background technology
In order to overcome the limitation to the motor speed upper limit of mechanical bearing, people are by magnetic suspension bearing technology and switching magnetic-resistance
Motor combines, and starts the research to reluctance motor with magnistor.Determined using magnetic bearing and motor the 1980s
Similitude of the son in structure, the magnetic circuit iron core of the two can share, and the winding lap wound of radial load will be generated in magnetic bearing in original
In the motor stator winding come, there are two windings for tool in respective poles, break the balance of original air-gap field, act and are turning
Suspending power on son realizes rotor suspension, form magnetic suspension motor (also referred to as bearing-free motor,
BearinglessMotors abbreviation BM).The A.Chiba of Japan, R. Schoeb, the S.Nomura of Switzerland et al. are to magnetic suspension sense
The Jian that realizes and controls of motor reason machine, system is answered to open up a large amount of research.Japan C.Michioka, S.Mori, Oshima,
T.ohishi, M.Takemoto and the N.Brarietta of Switzerland et al. have carried out magnetic suspension stepping reluctance motor, magnetic suspension
Jian closes reluctance motor, and the research of magnetic suspension permanent magnet motor achieves a large amount of achievement in research and relevant using model machine.At me
Mainly there are BJ University of Aeronautics ＆ Astronautics, University Of Tianjin, Nanjing Aero-Space University, Shandong section in the colleges and universities of state's research magnetic suspension motor
Skill university and Jiangsu University etc..China has reached its maturity to the research of magnetic suspension motor.
Magnetic suspension switched reluctance motor, because its is simple in structure, small, rotating speed is high, without mechanical frictional dissipation the advantages of, by
The extensive concern of domestic and international researcher is arrived, common structure has 8/6 pole and 12/8 pole magnetic suspension switched reluctance motor.
Invention content
The purpose of the utility model is to overcome existing magnetic suspension switched reluctance motor output torque it is unstable the problem of and
There are problems that close coupling between suspending power and rotary force, it is proposed that a kind of novel crossed bimorph transducer magnetic levitation switch magnetic resistance electricity
Machine.
To realize above-mentioned function, a kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor adopts the technical scheme that：
By electric motor internal stator（1）, outer stator of motor（2）, rotor（3）, inner stator permanent magnetism chamber（61）, rotor permanent magnet chamber（71）, it is fixed
Sub- permanent magnetism（6）, rotor permanent magnet（7）, rotor cover composition；The outer stator of motor（2）By 12 groups along outer stator of motor（2）Inner ring is equal
The external stator tooth of even distribution（4）Composition；External stator tooth（4）By external stator core（41）With external stator winding（42）Composition, and it is outer
Stator winding（42）It is wound on external stator core（41）On；The electric motor internal stator（1）By 12 groups along electric motor internal stator（1）Outer ring is equal
The inner stator tooth of even distribution（5）Composition；Inner stator tooth（5）By inner-stator iron core（51）With inner stator winding（52）Composition, and it is interior
Stator winding（52）It is wound on inner-stator iron core（51）On；Rotor（3）In electric motor internal stator（1）And outer stator of motor（2）It
Between, by 8 rotor blocks（31）With 2 rotor covers（32）Composition；8 rotor blocks（31）Along rotor cover（32）Outer ring uniformly divide
Cloth；Rotor block（31）It is connect by screw bolt and nut with rotor cover；Rotor block（31）Outer ring and external stator tooth（4）（5）Relatively,
Inner ring and inner stator tooth（5）Relatively.
The electric motor internal stator（1）, rotor（3）, outer stator of motor（2）The concentric distribution of three, from inside to outside according to
Secondary is electric motor internal stator（1）, rotor（3）, outer stator of motor（2）；The inner stator tooth（5）Using its axis as rotation center
Rotate clockwise external stator tooth that can be corresponding after 15 degree（4）It is aligned radially.
The electric motor internal stator（1）Two end faces have 1 cylindrical inner stator permanent magnetism chamber（61）；Stator permanent magnet
（6）For cylinder, it is placed in inner stator permanent magnetism chamber（61）It is interior, and the two is fixedly connected；There is rotor permanent magnet chamber in the rotor cover
（71）, and rotor permanent magnet chamber（71）With inner stator permanent magnetism chamber（61）Size is identical, and shape is identical；Rotor permanent magnet（7）Size with
Stator permanent magnet（6）It is identical, and it is placed in rotor permanent magnet chamber（71）Interior, the two is fixedly connected；When the motor operates, stator permanent magnet
（6）N poles and rotor permanent magnet（7）N grades it is opposite, it is therefore an objective to make rotor（3）Stable suspersion is kept in the axial direction.
The external stator winding（42）With inner stator winding（52）All it is simplex winding structure；The external stator winding（42）It is logical
It is rotor after electricity（3）Electromagnetic torque, driving electronics rotor rotation are provided；The inner stator winding（52）After energization, for electricity
Machine rotor（3）Suspending power is provided, makes rotor（3）Keep stable suspersion.
The external stator winding includes external stator winding A phases, external stator winding B phases, external stator winding C phases, and arranges successively
Row；The inner stator winding includes inner stator winding A phases, inner stator winding B phases, inner stator winding C phases, and is arranged in order；Institute
External stator winding is stated with inner stator winding with mutually simultaneously turning on, turn-on sequence is successively：External stator winding A phases and inner stator winding
C phases --- external stator winding B phases and inner stator winding A phases --- external stator winding C phases and inner stator winding B phases, and it is all successively
Phase recycles.
The beneficial effects of the utility model are：A kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor is retaining tradition
Under the premise of 12/8 pole magnetic suspension switched reluctance motor excellent performance, and increase the inner stator of 12 teeth so that external stator
12 tooth poles be used to provide the driving force of rotor rotation, 12 tooth poles of inner stator are for providing rotor stability is made to suspend outstanding
Buoyancy reduces the coupling between suspending power and rotary force；The axial both ends of the utility model can output torque；The practicality
Novel to be become more stable in output torque, rotating speed is also greatly improved, and is applicable to artificial heart pump and centrifugation
The fields such as machine.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of novel crossed bimorph transducer magnetic suspension switched reluctance motor.
Fig. 2 is a kind of internal structure schematic diagram of novel crossed bimorph transducer magnetic suspension switched reluctance motor.
Fig. 3 is the electric motor internal stator of the utility model and the schematic diagram of outer stator of motor.
Fig. 4 is a kind of sectional view of novel crossed bimorph transducer magnetic suspension switched reluctance motor.
In figure：1 is electric motor internal stator, and 2 be outer stator of motor, and 3 be rotor, and 31 be rotor block, and 32 be rotor cover, 4
It is external stator core for external stator tooth, 41,42 be external stator winding, and 5 be inner stator tooth, and 51 be inner-stator iron core, and 52 be default
Sub- winding, 6 be stator permanent magnet, and 61 be inner stator permanent magnetism chamber, and 7 be rotor permanent magnet, 71 rotor permanent magnet chambers.
Specific embodiment
The utility model proposes a kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor, structure is default by motor
Son（1）, outer stator of motor（2）, rotor（3）, inner stator permanent magnetism chamber（61）, rotor permanent magnet chamber（71）, stator permanent magnet（6）,
Rotor permanent magnet（7）, rotor cover（32）；Outer stator of motor（2）And electric motor internal stator（1）All it is to be formed by stacking by silicon steel sheet, purpose
It is to reduce vortex；The electric motor internal stator（1）, rotor（3）, outer stator of motor（2）The concentric distribution of three, from inside to outside
It is electric motor internal stator successively（1）, rotor（3）, outer stator of motor（2）；The inner stator tooth（5）Using its axis as in rotation
The heart rotates clockwise external stator tooth that can be corresponding after 15 degree（4）It is aligned radially.
Outer stator of motor（2）By 12 groups along outer stator of motor（2）The equally distributed external stator tooth of inner ring（4）Composition；It is outer fixed
Sub- tooth（4）By external stator core and external stator winding（42）Composition, and external stator winding（42）It is wound on external stator core；Motor
Inner stator（1）By 12 groups along electric motor internal stator（1）The equally distributed inner stator tooth in outer ring（5）Composition；Inner stator tooth（5）By default
Sub- iron core（51）With inner stator winding（52）Composition, and inner stator winding（52）It is wound on inner-stator iron core（51）On；External stator around
Group（42）With inner stator winding（52）All it is simplex winding structure；The external stator winding（42）After energization, according to " magnetic resistance is minimum former
Reason ", external stator tooth（4）With rotor（3）Between form main field, generate electromagnetic attraction, be rotor（3）Electromagnetism is provided
Torque, driving electronics rotor rotation；The inner stator winding（52）After energization, in interior stator tooth（5）With rotor（3）Between shape
Into suspension magnetic, which is overlapped with main field, generates uneven radial load, and then adjust rotor（3）
Radial position, make rotor（3）Keep stable suspersion.
External stator winding（42）Including external stator winding A phases, external stator winding B phases, external stator winding C phases, and arrange successively
Row；The inner stator winding（52）Including inner stator winding A phases, inner stator winding B phases, inner stator winding C phases, and arrange successively
Row；The external stator winding（42）With inner stator winding（52）Turn-on sequence be：External stator winding A phases and inner stator winding C
Phase --- external stator winding B phases and inner stator winding A phases --- external stator winding C phases and inner stator winding B phases, and period successively
Cycle.
Work as rotor（3）When opposite with the external stator core where external stator winding A phases, the A of external stator winding is turned off
Phase current, and the B phase currents of external stator winding and the A phase currents of inner stator winding is connected；At this point, in the B phases of outer stator winding
Make rotor under current excitation effect（3）Continue to rotate counterclockwise, be adjusted under the A phase currents excitation effect of interior stator winding
Rotor（3）Position make rotor（3）Keep stable suspersion；Work as rotor（3）It runs to and external stator winding B phases
When the external stator core at place is opposite, the B phase currents of external stator winding are turned off, and the C phase currents of external stator winding and interior are connected
The B phase currents of stator winding；At this point, make rotor under the C phase currents excitation effect of outer stator winding（3）Continue counterclockwise
Rotation adjusts rotor under the B phase currents excitation effect of interior stator winding（3）Position make rotor（3）Keep steady
It is fixed to suspend；Work as rotor（3）When running to opposite with the external stator core where external stator winding C phases, shutdown external stator around
The C phase currents of group, and the A phase currents of external stator winding and the C phase currents of inner stator winding is connected；At this point, in outer stator winding
A phase currents excitation effect under make rotor（3）Continue to rotate counterclockwise, be acted in the C phase currents excitation of interior stator winding
Lower adjustment rotor（3）Position make rotor（3）Stable suspersion is kept, and then just realizes rotor again（3）With
External stator core where external stator winding A phases is opposite；I.e. and rotor can be realized in periodic cycle（3）Rotation drive
It is dynamic.
Rotor（3）In electric motor internal stator（1）And outer stator of motor（2）Between, by 8 rotor blocks（31）Turn with 2
Son lid composition；8 rotor blocks（31）It is uniformly distributed along the outer ring of rotor cover；Rotor block（31）Material be the higher silicon of magnetic conductivity
Steel is made；For convenience of assembling, rotor block（31）It is connect by screw bolt and nut with rotor cover；Rotor block（31）Outer ring with it is outer fixed
Sub- tooth（4）Relatively, inner ring and inner stator tooth（5）Relatively；Rotor block（31）The arc length of inner ring and inner stator tooth（5）Circular arc is long
Spend identical, rotor block（31）The arc length of outer ring and external stator tooth（4）Arc length is identical.Electric motor internal stator（1）Two
There is 1 cylindrical inner stator permanent magnetism chamber in end face（61）；Stator permanent magnet（6）For cylinder, it is placed in inner stator permanent magnetism chamber（61）
It is interior, and the two is fixedly connected；There is rotor permanent magnet chamber in the rotor cover（71）, and rotor permanent magnet chamber（71）With stator permanent magnet（6）
Chamber size is identical, and shape is identical；Rotor permanent magnet（7）With stator permanent magnet（6）Size shape is all identical, and is placed in rotor permanent magnet chamber
（71）Interior, the two is fixedly connected；When the motor operates, stator permanent magnet（6）N poles and rotor permanent magnet（7）N grades it is opposite, mesh
Be to make rotor（3）Stable suspersion is kept in the axial direction.
The rotor cover carries out torque output or is connected directly with centrifugal drum after being connected with shaft coupling；According to
The design feature of the utility model, the both ends of the magnetic suspension switched reluctance motor can output torques simultaneously.
Claims (4)
1. a kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor, including electric motor internal stator（1）, outer stator of motor（2）, electricity
Machine rotor（3）, stator permanent magnet（6）, rotor permanent magnet（7）；The outer stator of motor（2）By 12 groups along outer stator of motor（2）Inner ring
Equally distributed external stator tooth（4）Composition；External stator tooth（4）By external stator core（41）With external stator winding（42）Composition, and
External stator winding（42）It is wound on external stator core（41）On；The electric motor internal stator（1）By 12 groups along electric motor internal stator（1）Outer ring
Equally distributed inner stator tooth（5）Composition；Inner stator tooth（5）By inner-stator iron core（51）With inner stator winding（52）Composition, and
Inner stator winding（52）It is wound on inner-stator iron core（51）On；Rotor（3）In electric motor internal stator（1）And outer stator of motor（2）
Between, by 8 rotor blocks（31）With 2 rotor covers（32）Composition；8 rotor blocks are uniformly distributed along the outer ring of rotor cover；Rotor
Block（31）Pass through screw bolt and nut and rotor cover（32）Connection；Rotor block（31）Outer ring and external stator tooth（4）Relatively, inner ring with
Inner stator tooth（5）Relatively.
A kind of 2. novel crossed bimorph transducer magnetic suspension switched reluctance motor according to claim 1, it is characterised in that institute
State electric motor internal stator（1）, rotor（3）, outer stator of motor（2）The concentric distribution of three is in motor successively from inside to outside
Stator（1）, rotor（3）, outer stator of motor（2）；The inner stator tooth（5）It is rotated clockwise using its axis as rotation center
External stator tooth that can be corresponding after 15 degree（4）It is aligned radially.
A kind of 3. novel crossed bimorph transducer magnetic suspension switched reluctance motor according to claim 1, it is characterised in that institute
State electric motor internal stator（1）Two end faces respectively have 1 cylindrical inner stator permanent magnetism chamber（61）；Stator permanent magnet（6）For cylinder,
It is placed in inner stator permanent magnetism chamber（61）It is interior, and the two is fixedly connected；There is 1 rotor permanent magnet chamber in the rotor cover（71）, and rotor
Permanent magnetism chamber（71）With inner stator permanent magnetism chamber（61）Size is identical, and shape is identical；Rotor permanent magnet（7）Size and stator permanent magnet（6）
It is identical, and it is placed in rotor permanent magnet chamber（71）Interior, the two is fixedly connected；When the motor operates, stator permanent magnet（6）N poles with turn
Sub- permanent magnetism（7）N grades it is opposite, it is therefore an objective to make rotor（3）Stable suspersion is kept in the axial direction.
A kind of 4. novel crossed bimorph transducer magnetic suspension switched reluctance motor according to claim 1, it is characterised in that institute
State external stator winding（42）With inner stator winding（52）All it is simplex winding structure；The external stator winding（42）After energization, for electricity
Machine rotor（3）Electromagnetic torque, driving electronics rotor rotation are provided；The inner stator winding（52）It is rotor after energization（3）
Suspending power is provided, makes rotor（3）Stable suspersion is kept radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693486.7U CN207530686U (en) | 2017-12-07 | 2017-12-07 | A kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721693486.7U CN207530686U (en) | 2017-12-07 | 2017-12-07 | A kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207530686U true CN207530686U (en) | 2018-06-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721693486.7U Expired - Fee Related CN207530686U (en) | 2017-12-07 | 2017-12-07 | A kind of novel crossed bimorph transducer magnetic suspension switched reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207530686U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022198444A1 (en) * | 2021-03-23 | 2022-09-29 | 中国科学院深圳先进技术研究院 | Magnetic levitation system |
-
2017
- 2017-12-07 CN CN201721693486.7U patent/CN207530686U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022198444A1 (en) * | 2021-03-23 | 2022-09-29 | 中国科学院深圳先进技术研究院 | Magnetic levitation system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20181207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |