CN108521239A - A kind of three stator type permanent magnetism off-set magnetic suspension switched reluctance machines - Google Patents
A kind of three stator type permanent magnetism off-set magnetic suspension switched reluctance machines Download PDFInfo
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- CN108521239A CN108521239A CN201810231137.6A CN201810231137A CN108521239A CN 108521239 A CN108521239 A CN 108521239A CN 201810231137 A CN201810231137 A CN 201810231137A CN 108521239 A CN108521239 A CN 108521239A
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- 239000000725 suspension Substances 0.000 title claims abstract description 55
- 230000005389 magnetism Effects 0.000 title claims abstract description 20
- 238000004804 winding Methods 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims description 6
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 2
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 2
- 230000004907 flux Effects 0.000 abstract description 8
- 230000008859 change Effects 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N15/00—Holding or levitation devices using magnetic attraction or repulsion, not otherwise provided for
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- Combustion & Propulsion (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
- Synchronous Machinery (AREA)
Abstract
The present invention relates to a kind of three stator type permanent magnetism off-set magnetic suspension switched reluctance machines, including：The external stator of salient pole type, the rotor of salient pole type, two inner stators and permanent-magnetic clamp of salient pole type.The external stator, rotor and two inner stators are from outside to inside with central shaft nesting, and horizontal distribution, permanent-magnetic clamp are placed among two inner stators two inner stators in an axial direction, are disposed therewith with central shaft nesting.Permanent-magnetic clamp axial charging, provides bias magnetic field, and suspending power is generated with the control magnetic field superposition that the suspending windings on two inner stators generate.The magnetic flux path of main winding and suspension magnetic flux path are mutual indepedent on external stator, solve the coupled problem between start-up function and rotor suspension function；Bias magnetic field is provided by permanent-magnetic clamp, reduces the running wastage of motor, makes running reliability of motor higher.
Description
Technical field
The present invention relates to a kind of three stator type permanent magnetism off-set magnetic suspension switched reluctance machines, can be used as high speed, high efficiency electricity
Machine, especially suitable for flying wheel battery field.
Background technology
As China's economy grows continuously and fast, such as high-speed machine tool, centrifuge, compressor, flying wheel battery various fields
The driving of high speed/super high speed motor is needed, however in high speed/super high speed motor that mechanical bearing supports shaft, due to motor
High speed rotation makes frictional resistance increase, and bearing wear is serious, needs periodic maintenance, and because in friction process, generating a large amount of heat
Amount, motor working efficiency is low, so high speed, high efficiency electric are increasingly taken seriously, however reliability, high loss the problems such as system
About high speed, high efficiency electric development.
Invention content
Based on above-mentioned the deficiencies in the prior art, for this purpose, this patent proposes a kind of three stator type permanent magnetism off-set magnetic suspensions switch
Reluctance motor has the advantages that low in energy consumption, efficient, torque and suspending power without coupling and control simple and flexible.
The technical scheme is that：A kind of three stator type permanent magnetism off-set magnetic suspension switched reluctance machines, including：Salient pole type
External stator 1, the rotor 2 of salient pole type, the inner stator a3-1 and inner stator a3-2 and permanent-magnetic clamp 6 of salient pole type.The external stator 1
Inside is rotor 2, and 2 inside of rotor is inner stator and permanent-magnetic clamp 6, and two inner stators are followed successively by from one end to the other end interior in an axial direction
Stator a3-1, inner stator b3-2；Permanent-magnetic clamp 6 is placed between inner stator a3-1, inner stator b3-2, be provided on external stator 1 it is main around
It is provided with main winding 4 on group pole 1-2, main winding pole 1-2, realizes start-up function；Rotor with salient pole 2-1 is provided on rotor 2；Two
It is provided with suspending windings pole on inner stator, suspending windings a5-1 and suspension are provided on two inner stator a3-1 and inner stator b3-2
Winding b5-2 realizes suspension function.
Further, it has been equally spaced 12 main winding pole 1-2 on external stator 1,8 have been equally spaced on rotor 2
A rotor with salient pole 2-1, two inner stators are equally spaced respectively there are four suspension pole.
The main winding being diametrically arranged along the central shaft extremely on main winding be serially connected as a phase, inner stator a3-1
It is mutually concatenated with the winding in inner stator b3-2 same directions, the suspension to suspend on extremely being diametrically arranged along the central shaft
Winding is mutual indepedent, individually controls.
Further, 6 axial charging of permanent-magnetic clamp, thickness are no more than inner stator a3-1-2 thickness.
Further, the bias magnetic field of generation is by the poles N, pass through successively：Inner stator a3-1, inner stator a3-1 and rotor 2
Between air gap, rotor 2, the air gap between inner stator b3-2 and rotor 2, inner stator b3-2 returns to S poles；It is produced with suspending windings
Raw control magnetic field superposition generates suspending power, and mutual indepedent with the torque field of main winding generation, realizes decoupling.
Further, external stator 1, rotor 2, inner stator a3-1, inner stator b3-2 materials are superposed for silicon steel sheet.
Further, permanent-magnetic clamp 6) material be neodymium iron boron.
The present invention has the beneficial effect that：
1, the main winding on external stator realizes start-up function, and the suspending windings on two inner stators realize that the stabilization of rotor is outstanding
Floating function, clear in structure, definite functions are safeguarded and easy to control.
2, three stator type permanent magnetism off-set magnetic suspension switched reluctance machines bias magnetic fields are provided by permanent-magnetic clamp, are produced with suspending windings
Raw control magnetic field cooperatively forms suspension magnetic, generates suspending power, further reduced the electromagnetic power consumption of device, improve
Operational efficiency.
3, the magnetic flux path that the magnetic flux path that main winding generates is superimposed with the bias magnetic field that suspending windings and permanent-magnetic clamp generate
Independently of each other, there is no restricting each other, main winding and suspending windings decoupling, improve the Stability and dependability of system operation with
And the flexibility of control.
Description of the drawings
Fig. 1 show three stator type permanent magnetism off-set magnetic suspension switched reluctance machines of one kind along x/y plane front view.
Wherein：1, external stator；2, rotor；3, inner stator 3；4, main winding；5, suspending windings；
Fig. 2 show three stator type permanent magnetism off-set magnetic suspension switched reluctance machines of one kind along yz plane subdivision graphs.
Wherein：1-1, external stator yoke；1-2, main winding pole；2-1, rotor with salient pole；2-2, rotor yoke；3-1-1, inner stator
Suspension pole on a3-1；The yoke of 3-1-2, inner stator a3-1；Suspension pole on 3-2-1, inner stator b3-2；3-2-2, inner stator
The yoke of b3-2；Suspending windings on 5-1, inner stator a3-1；Suspending windings on 5-2, inner stator b3-2；6, permanent-magnetic clamp；7, turn
Axis.
Fig. 3 show the bias magnetic field that a kind of three stator types permanent magnetism off-set magnetic suspension switched reluctance machines permanent magnet generates and shows
It is intended to.Wherein：Suspending windings on 5-3, inner stator a3-1；Suspending windings on 5-4, inner stator b3-2.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.
As shown in Figures 1 and 2, three stator type permanent magnetism off-set magnetic suspension switched reluctance machines front views and subdivision of the invention
Figure, including external stator 1, rotor 2, inner stator a3-1, inner stator b3-2, main winding pole 1-2, main winding 4, suspension pole a3-1-1,
Suspension pole b3-2-1, suspending windings a5-1, suspending windings b5-2, permanent-magnetic clamp 6, shaft 7.Wherein external stator 1, rotor 2, default
Sub- a3-1 and inner stator b3-2 are formed with central shaft is nested from outside to inside successively, and permanent-magnetic clamp 6 is placed in inner stator a3-1 and inner stator
Between b3-2, thickness is no more than inner stator yoke a3-1-2 and with central shaft nesting.
External stator 1 includes 12 main winding pole 1-2, and 12 main winding pole 1-2 are equally spaced in external stator 1
On, main winding 4 is wrapped on the 1-2 of main winding pole, and diametrically vertical quadrupole is serially connected into a phase, is divided into three-phase, in figure
A phase is only drawn, two-phase is omitted.
Rotor 2 includes 8 rotor with salient pole 2-1, is equally spaced on rotor 2, is not provided with winding.
Inner stator a3-1 includes four suspension pole a3-1-1, and four suspension pole a3-1-1 are equally spaced in inner stator
On a3-1, it is full of suspending windings 5 respectively, does not connect mutually, respective independent control electric current.
Inner stator b3-2 includes four suspension pole b3-2-1, and four suspension pole b3-2-1 are equally spaced in inner stator
On b3-2, it is full of suspending windings 5 respectively, does not connect mutually, respective independent control electric current.
Inner stator a3-1 connects with the suspending windings 5-1 in inner stator b3-2y axis positive directions with suspending windings 5-2, provides
Levitating current, other vertical in the radial direction suspending windings are equally arranged.
Permanent-magnetic clamp 6 is arranged between inner stator a3-1 and inner stator b3-2, and thickness is no more than inner stator yoke a3-1-2.
Suspending windings 5 realize the suspension of rotor 2 with permanent magnet 6 jointly, by the electric current for individually adjusting each suspending windings 5
Size obtains suspending power.
The directions y suspending power by suspending windings 5 electric current iy1And iy2Control, works as iy1When conducting, what suspending windings a5-1 was generated
Control magnetic field is superimposed with the bias magnetic field that permanent-magnetic clamp 6 generates, and so that positive direction of the y-axis flux density is less than negative direction of the y-axis flux density, therefore generate
The suspending power of positive direction of the y-axis；Conversely, working as iy2When conducting, negative direction of the y-axis suspending power is generated；Similarly, x-axis direction suspending power is by hanging
The electric current i of floating winding 5x1And ix2Control generates the suspending power in the positive and negative direction of x-axis direction；The directions x and the directions y suspending power can close
At the suspending power of any direction, to realize rotor 2 from i in suspension function, figurex1+, ix2+, iy1+, iy2+Respectively suspend around
Group 5x axis and positive direction of the y-axis and negative direction inflow current；ix1, ix2, iy1, iy2Be respectively suspension pole winding 5x axis and y-axis just
Direction and negative direction flow out electric current.Since rotor 2 is in rotary course, suspension pole a3-1-1 and suspension pole b3-2-1 and rotor 2
Alignment area be consistently equal to the extremely wide of suspension pole a3-1-1 and suspension pole b3-2-1, be conducive to the generation of radial load, and diameter
Do not change to power with 2 position angle of rotor, therefore only needs smaller 5 electric current of suspending windings that can just make the control of rotor 2 in radial direction
Center can effectively enhance suspending power.
As shown in figure 3,6 axial charging of permanent-magnetic clamp, bias magnetic field magnetic flux path flow through：The poles permanent-magnetic clamp 6N are sent out, inner stator
Yoke a3-1-2, inner stator suspension pole a3-1-1, the air gap between inner stator suspension pole a3-1-1 and rotor 2, rotor yoke 2-2 are interior
Air gap between stator suspension pole b3-2-1 and rotor 2, inner stator suspension pole b3-2-1, inner stator yoke b3-2-2 return to permanent magnetism
The poles ring 6S.Bias magnetic field generates suspending power with the control magnetic field superposition that suspending windings 5 generate, and is conducive to the generation of radial load, into
One step enhances the stability of suspending power, improves radial suspension performance.
In conclusion being full of main winding 4 on the main winding pole 1-2 of external stator 1 of the present invention, start-up function is realized；Inner stator
It is full of suspending windings a5-1 and suspending windings b5-2, suspending windings respectively on suspension pole a3-1-1 and inner stator suspension pole b3-2-1
A5-1 and suspending windings b5-2 is serially connected the suspension function of realizing suspension rotor 2；Permanent-magnetic clamp 6 be placed in inner stator a3-1 with it is default
Between sub- b3-2, bias magnetic field is generated, is conducive to radial load generation, improves the stable suspersion of rotor 2, reduce running wastage；It is main
Winding 4 and 5 magnetic flux path of suspending windings are mutual indepedent, solve the coupled problem between rotor starting and suspension function；It is given
Radial load electric current keeps suspending power to be basically unchanged in 2 rotary course of rotor, promotes suspendability.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are included at least one embodiment or example of the invention.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can be combined in any suitable manner in any one or more of the embodiments or examples.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (8)
1. a kind of three stator type permanent magnetism off-set magnetic suspension switched reluctance machines, it is characterised in that：Including external stator (1), rotor
(2), two inner stators and permanent-magnetic clamp are the same as the nested setting of central shaft；It is rotor (2) on the inside of external stator (1), is interior on the inside of rotor (2)
Stator, two inner stators are followed successively by inner stator a (3-1), inner stator b (3-2) from one end to the other end in an axial direction；Permanent-magnetic clamp (6)
It is placed between inner stator a (3-1), inner stator b (3-2), main winding pole (1-2), main winding pole (1- is provided on external stator (1)
2) it is provided with main winding (4) on, realizes start-up function；Rotor with salient pole (2-1) is provided on rotor (2)；It is set on two inner stators
It is equipped with suspending windings pole, suspending windings a (5-1) and suspension are provided on inside and outside two inner stator a (3-1) and inner stator b (3-2)
Winding b (5-2) realizes suspension function.
2. three stator types permanent magnetism off-set magnetic suspension switched reluctance machines according to claim 1, it is characterised in that：External stator
(1) it has been equally spaced 12 main winding poles (1-2) on, 8 rotor with salient pole (2-1) have been equally spaced on rotor (2),
Two inner stators are equally spaced respectively there are four suspension pole.
3. three stator types permanent magnetism off-set magnetic suspension switched reluctance machines according to claim 1, it is characterised in that：Permanent-magnetic clamp
(6) thickness is no more than inner stator yoke a (3-1-2) thickness.
4. three stator types permanent magnetism off-set magnetic suspension switched reluctance machines according to claim 1, it is characterised in that：Permanent-magnetic clamp
(6) the bias magnetic field generated is by the poles N, pass through successively：Inner stator a (3-1), between inner stator a (3-1) and rotor (2)
Air gap, rotor (2), the air gap between inner stator b (3-2) and rotor (2), inner stator b (3-2) return to the poles S；With suspending windings
The control magnetic field superposition of generation generates suspending power, and mutual indepedent with the torque field of main winding generation, realizes decoupling.
5. three stator types permanent magnetism off-set magnetic suspension switched reluctance machines according to claim 1, it is characterised in that：Permanent-magnetic clamp
(6) axial charging provides bias magnetic field, realizes suspension function.
6. three stator types permanent magnetism off-set magnetic suspension switched reluctance machines according to claim 1, it is characterised in that：Along center
The main winding on main winding pole (1-2) that axis is radially oppositely arranged is serially connected as a phase, inner stator a (3-1) and inner stator b
Winding in (3-2) same direction mutually concatenates, and the suspending windings to suspend on extremely being diametrically arranged along central shaft are mutually only
It is vertical, individually control.
7. three stator types permanent magnetism off-set magnetic suspension switched reluctance machines according to claim 1, it is characterised in that：External stator
(1), rotor (2), inner stator a (3-1), inner stator b (3-2) material are superposed for silicon steel sheet.
8. three stator types permanent magnetism off-set magnetic suspension switched reluctance machines according to claim 1, it is characterised in that：Permanent-magnetic clamp
(6) material is neodymium iron boron.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231137.6A CN108521239B (en) | 2018-03-20 | 2018-03-20 | Three-stator type permanent magnet biased magnetic suspension switched reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810231137.6A CN108521239B (en) | 2018-03-20 | 2018-03-20 | Three-stator type permanent magnet biased magnetic suspension switched reluctance motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108521239A true CN108521239A (en) | 2018-09-11 |
| CN108521239B CN108521239B (en) | 2020-03-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810231137.6A Active CN108521239B (en) | 2018-03-20 | 2018-03-20 | Three-stator type permanent magnet biased magnetic suspension switched reluctance motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953045A (en) * | 2021-02-07 | 2021-06-11 | 南京工程学院 | Radial strong-interference-resistance magnetic suspension switched reluctance motor |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122872A (en) * | 2010-01-11 | 2011-07-13 | 上海稳得新能源科技有限公司 | Wind driven generator with axial magnetic levitation bearing |
| CN103618424A (en) * | 2013-12-02 | 2014-03-05 | 南京工程学院 | Double-stator magnetic suspension switch reluctance starting/power generation machine |
-
2018
- 2018-03-20 CN CN201810231137.6A patent/CN108521239B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122872A (en) * | 2010-01-11 | 2011-07-13 | 上海稳得新能源科技有限公司 | Wind driven generator with axial magnetic levitation bearing |
| CN103618424A (en) * | 2013-12-02 | 2014-03-05 | 南京工程学院 | Double-stator magnetic suspension switch reluctance starting/power generation machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112953045A (en) * | 2021-02-07 | 2021-06-11 | 南京工程学院 | Radial strong-interference-resistance magnetic suspension switched reluctance motor |
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| Publication number | Publication date |
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| CN108521239B (en) | 2020-03-31 |
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Effective date of registration: 20220810 Address after: 400000 No.8, Shuangxing Avenue, Biquan street, Bishan District, Chongqing Patentee after: Ernst energy storage technology (Chongqing) Co.,Ltd. Address before: Zhenjiang City, Jiangsu Province, 212013 Jingkou District Road No. 301 Patentee before: JIANGSU University |
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Effective date of registration: 20240125 Address after: No. 8, Shuangxing Avenue, Biquan street, Bishan District, Chongqing Patentee after: Chongqing Kaici Intelligent Technology Research Institute Co.,Ltd. Country or region after: China Address before: 400000 No.8, Shuangxing Avenue, Biquan street, Bishan District, Chongqing Patentee before: Ernst energy storage technology (Chongqing) Co.,Ltd. Country or region before: China |