CN110277848A - A kind of internal permanent magnet synchronous motor - Google Patents
A kind of internal permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN110277848A CN110277848A CN201910609705.6A CN201910609705A CN110277848A CN 110277848 A CN110277848 A CN 110277848A CN 201910609705 A CN201910609705 A CN 201910609705A CN 110277848 A CN110277848 A CN 110277848A
- Authority
- CN
- China
- Prior art keywords
- permanent magnets
- permanent magnet
- layer set
- permanent
- magnetic pole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/02—Details of the magnetic circuit characterised by the magnetic material
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
- H02K1/2706—Inner rotors
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention discloses a kind of internal permanent magnet synchronous motors, the circumferencial direction of rotor core is evenly distributed with multipair magnetic pole, any one magnetic pole includes the internal layer set of permanent magnets and an outer layer set of permanent magnets being arranged along the radial direction of rotor core, internal layer set of permanent magnets and outer layer set of permanent magnets are symmetrical arranged by line of symmetry of the rotor d-axis of the magnetic pole, internal layer set of permanent magnets is low-coercivity permanent magnetic material, outer layer set of permanent magnets is high coercive force permanent-magnetic material, the both ends of any internal layer set of permanent magnets and any outer layer set of permanent magnets are respectively equipped with magnet isolation tank, using the device, the cogging torque phase phase difference 180 degree that the cogging torque that internal layer set of permanent magnets magnetic pole generates is generated with outer layer set of permanent magnets magnetic pole, weaken the cogging torque of motor.Counter electromotive force and air gap flux density fundamental voltage amplitude will not be reduced simultaneously, increases the reluctance torque of motor, improves power of motor density.
Description
Technical field
The present invention relates to permanent magnet synchronous motor technical fields, more specifically to a kind of internal permanent magnet synchronous motor.
Background technique
In recent years, with the appearance of high performance permanent magnetic materials and the progress of power electronic technique, magneto is increasingly
It is widely used in all trades and professions.Especially internal permanent magnet synchronous motor, since it is big and high with small in size, power density
The advantages that efficiency, is not only widely used in electric car industry, but also is widely used in washing machine, air-conditioning, refrigerator
Etc. household electric appliances.However, cogging torque is as one of magneto inherent feature, especially interior permanent magnet machines, tooth socket
The performance of torque problem is more prominent, easily leads to output torque pulsation, generates noise and vibration, cause to the precision of electric machine control system
Adverse effect.
The approximation method for weakening internal permanent magnet synchronous motor cogging torque already present at present has: the tooth socket of composite poles
Torque weakens method.This method is on the basis of traditional " one " type or " V " type magnetic pole, by the outside two of original permanent-magnet material
End replaces with different permanent-magnet materials, and by two kinds of permanent-magnet material polar arc width of reasonable combination, improves air gap magnetic density waveform and come
Weaken cogging torque.The mesh of weakening internal permanent magnet synchronous motor cogging torque can be reached although with the method for composite poles
, but this method, which mainly passes through, improves air gap flux density sine degree, reduces slot ripples to weaken cogging torque, institute is in this way
Weakening effect it is to be improved, there are the repulsive force between permanent magnet when due to permanent magnet installation, so that difficulty of processing increases.And
And composite poles motor volume is bigger than normal, no-load back electromotive force fundamental voltage amplitude and unloaded air gap flux density fundamental voltage amplitude are less than normal, and having can
Design of electrical motor requirement can be not achieved.
Summary of the invention
In view of this, the purpose of the present invention is to provide a kind of internal permanent magnet synchronous motor, it is same to solve existing permanent magnetism
When walking motor by improving air gap magnetic density waveform weakening cogging torque, weaken the problems such as effect is poor.
In order to reach above-mentioned first purpose, the invention provides the following technical scheme:
A kind of internal permanent magnet synchronous motor, including stator core, rotor core and shaft, the circumference of the rotor core
Direction is evenly distributed with multipair magnetic pole, any one magnetic pole include along the rotor core radial direction be arranged an internal layer forever
Magnet group and an outer layer set of permanent magnets, the internal layer set of permanent magnets and the outer layer set of permanent magnets are with the rotor d-axis of the magnetic pole
It is symmetrical arranged for line of symmetry, the internal layer set of permanent magnets is low-coercivity permanent magnetic material, and the outer layer set of permanent magnets is high coercive
The both ends of power permanent-magnet material, any internal layer set of permanent magnets and any outer layer set of permanent magnets are respectively equipped with magnet isolation tank,
The cogging torque phase phase that the cogging torque that the internal layer set of permanent magnets magnetic pole generates is generated with the outer layer set of permanent magnets magnetic pole
Poor 180 degree.
Preferably, the internal layer set of permanent magnets is specially "-" type structure permanent magnet or V-shape structure permanent magnet, and described one
Font structure permanent magnet and the rotor d-axis of the magnetic pole are vertical and arranged symmetrically, and the V-shape structure permanent magnet includes two edges
The symmetrically arranged internal layer permanent magnet of the rotor d-axis of the magnetic pole, described in the V-type tip that two internal layer permanent magnets are formed is directed toward
The center of circle of rotor core, two internal layer permanent magnets are independently arranged and without connection.
Preferably, the outer layer set of permanent magnets includes a pair of symmetrically arranged outer layer permanent magnetism of rotor d-axis along the magnetic pole
Body, any outer layer permanent magnet are specially "-" type structure permanent magnet or V-shape structure permanent magnet.
Preferably, two of the rotor d-axis when outer layer permanent magnet is the "-" type structure permanent magnet, along the magnetic pole
The setting of side tangential direction.
Preferably, non-magnetic part or non-conductive part are equipped in the magnet isolation tank.
Preferably, the internal layer set of permanent magnets in the same magnetic pole is identical with the polarity of the outside set of permanent magnets.
Internal permanent magnet synchronous motor provided by the invention, including stator core, rotor core and armature spindle, rotor core
Circumferencial direction be evenly distributed with multipair magnetic pole, any one magnetic pole include along rotor core radial direction be arranged an internal layer
Set of permanent magnets and an outer layer set of permanent magnets, internal layer set of permanent magnets and outer layer set of permanent magnets are symmetrical with the rotor d-axis of the magnetic pole
Line is symmetrical arranged, and internal layer set of permanent magnets is low-coercivity permanent magnetic material, and outer layer set of permanent magnets is high coercive force permanent-magnetic material, any
The both ends of internal layer set of permanent magnets and any outer layer set of permanent magnets are respectively equipped with magnet isolation tank, the tooth that internal layer set of permanent magnets magnetic pole generates
The cogging torque phase phase difference 180 degree that slot torque is generated with outer layer set of permanent magnets magnetic pole.
Using internal permanent magnet synchronous motor provided by the invention, cogging torque that internal layer set of permanent magnets magnetic pole generates and outer
The cogging torque phase phase difference 180 degree that layer set of permanent magnets magnetic pole generates, weakens the cogging torque of motor.The device will not drop simultaneously
Low counter electromotive force and air gap flux density fundamental voltage amplitude, and the reluctance torque of motor can be increased, improve power of motor density.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is rotor structure schematic diagram provided in an embodiment of the present invention；
Fig. 2 is rotor punching structure schematic diagram provided in an embodiment of the present invention；
Fig. 3 is rotor local structural schematic diagram provided in an embodiment of the present invention；
Fig. 4 is that the cogging torque for the rotor that the embodiment of the present invention provides changes over time curve synoptic diagram.
It is marked in attached drawing as follows:
Rotor 1, internal layer set of permanent magnets 2, internal layer permanent magnet 21, outer layer set of permanent magnets 3, outer layer permanent magnet 31, rotor punching
4, V-shape permanent magnet trough 5, "-" type permanent magnet trough 6, axis hole 7.
Specific embodiment
The embodiment of the invention discloses a kind of internal permanent magnet synchronous motors, to solve existing permanent magnet synchronous motor by changing
When kind air gap magnetic density waveform weakens cogging torque, weaken the problems such as effect is poor.
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 description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-Fig. 4 is please referred to, Fig. 1 is rotor structure schematic diagram provided in an embodiment of the present invention；Fig. 2 is the embodiment of the present invention
The rotor punching structure schematic diagram of offer；Fig. 3 is rotor local structural schematic diagram provided in an embodiment of the present invention；Fig. 4 is this hair
The cogging torque for the rotor that bright embodiment provides changes over time curve synoptic diagram.
In a kind of specific embodiment, internal permanent magnet synchronous motor provided by the invention, including stator core, turn
Sub- iron core and shaft, the circumferencial direction of rotor core are evenly distributed with multipair magnetic pole, any one magnetic pole includes along rotor core
An internal layer set of permanent magnets 2 and an outer layer set of permanent magnets 3, internal layer set of permanent magnets 2 and outer layer permanent magnet for radial direction setting
Group 3 is symmetrical arranged by line of symmetry of the rotor d-axis of the magnetic pole, and internal layer set of permanent magnets 2 is low-coercivity permanent magnetic material, and outer layer is forever
Magnet group 3 is high coercive force permanent-magnetic material, and the both ends of any internal layer set of permanent magnets 2 and any outer layer set of permanent magnets 3 are set respectively
There are magnet isolation tank, the cogging torque phase phase difference 180 that the cogging torque that internal layer set of permanent magnets 2 generates is generated with outer layer set of permanent magnets 3
Degree.
Rotor core is obtained by multiple rotor punchings 4 by punching press, there is the magnetic for placing permanent magnet inside rotor punching 4
Slot.Rotor core is cylindrical structure, and the axis hole 7 for installing shaft, armature winding position are reserved at the center of rotor core
In stator core, there are air gap between stator core and rotor core, the circumferencial direction of rotor core is evenly distributed with multipair
Magnetic pole, a pair of of magnetic pole include two magnetic poles along the setting of rotor d-axis direction, any one magnetic pole includes the radial direction along rotor core
The internal layer set of permanent magnets 2 and outer layer set of permanent magnets 3 of direction setting, the settable trade mark of internal layer set of permanent magnets 2 are the neodymium iron of N33SH
Boron material, the settable trade mark of outer layer set of permanent magnets 3 are that the NdFeB material of N42H in other embodiments can also be according to need
Carry out the selection of outer layer set of permanent magnets 3 and internal layer set of permanent magnets 2.It is preferably trapezoidal by setting magnet isolation tank to form magnetic bridge
Slot or rectangular channel, limitation pass through the magnetic flux of the magnetic bridge, reduce the leakage field that low-coercivity permanent magnet is generated by itself short circuit, and
Reduce the influence that magnetic field is generated between High-coercivity Permanent Magnets and low-coercivity permanent magnet.
Wherein, the internal layer permanent magnet 21 in same magnetic pole is identical with the polarity of outer layer permanent magnet 31,2 He of internal layer set of permanent magnets
Outer layer set of permanent magnets 3 is respectively radial magnetizing.
Using internal permanent magnet synchronous motor provided by the invention, cogging torque that internal layer set of permanent magnets magnetic pole generates and outer
The cogging torque phase phase difference 180 degree that layer set of permanent magnets magnetic pole generates, weakens the cogging torque of motor.The device will not drop simultaneously
Low counter electromotive force and air gap flux density fundamental voltage amplitude, and the reluctance torque of motor can be increased, improve power of motor density.
Specifically, internal layer set of permanent magnets 2 is specially "-" type structure permanent magnet or V-shape structure permanent magnet, "-" type knot
Structure permanent magnet and the rotor d-axis of the magnetic pole are vertically arranged, and V-shape structure permanent magnet includes two rotor d-axis along the magnetic pole
The center of circle of rotor core, opening are directed toward in symmetrically arranged internal layer permanent magnet 21, the V-type tip that two internal layer permanent magnets 21 are formed
Towards air gap, two internal layer permanent magnets 21 are independently arranged and without connection.Wherein, with internal layer set of permanent magnets 2 for V-shape structure permanent magnetism
Body, outer layer set of permanent magnets 3 be one-to-one font structure permanent magnet for, correspondingly, on rotor punching 4 be arranged V-shape structure
Permanent magnet trough 5 and "-" type permanent magnet trough 6, meanwhile, axis hole 7 is equipped at 4 center of rotor punching.
When internal layer set of permanent magnets 2 be "-" type structure permanent magnet when, the perpendicular bisector of the "-" type structure permanent magnet with
The rotor d-axis of the magnetic pole is overlapped, and the both ends of "-" type structure permanent magnet are respectively equipped with magnet isolation tank.When internal layer set of permanent magnets 2 is V
When font structure permanent magnet, it is symmetrical arranged and is formed along the rotor d-axis of the magnetic pole by two internal layer permanent magnets 21, and in two
Layer permanent magnet 21 is independently arranged and without connection, and the both ends of the length direction of two internal layer permanent magnets 21 are respectively arranged with every magnetic
Slot, to reduce the leakage field generated by itself short circuit.In other embodiments, internal layer set of permanent magnets 2 can be specially through two internal layers
The W font structure set of permanent magnets that permanent magnet 21 is formed, but above-mentioned set-up mode motor is compared with "-" type structure permanent magnet or V
Structure is complicated for font structure permanent magnet, need to be configured in conjunction with the mechanical strength of motor, also can according to need setting internal layer
The structure of set of permanent magnets 2, is within the scope of the invention.
Further, outer layer set of permanent magnets 3 includes a pair of symmetrically arranged outer layer permanent magnet of rotor d-axis along the magnetic pole
31, outer layer permanent magnet 31 is specially "-" type structure permanent magnet or V-shape structure permanent magnet.Outer layer permanent magnet 31 is V-shape knot
It when structure permanent magnet, is open towards air gap, V-shape structure permanent magnet is independently arranged, and tip is not connected to, and any permanent magnet both ends point
Not She You magnet isolation tank, similarly, when outer layer permanent magnet 31 be "-" type structure permanent magnet when, be also respectively equipped at its both ends every magnetic
Slot.Further, a pair of outer layer permanent magnet 31 is arranged along the two sides tangential direction of the rotor d-axis of the magnetic pole.
In the first embodiment, which includes the "-" type structure permanent magnet an of internal layer and a word of a pair of outer layer
Type structure permanent magnet, wherein the "-" type structure permanent magnet of internal layer and the rotor d-axis of the magnetic pole are vertical and arranged symmetrically, a pair of
The "-" type structure permanent magnet of outer layer is symmetrical arranged along the tangential direction of the rotor d-axis of the magnetic pole；It, should in second of embodiment
Magnetic pole includes the "-" type structure permanent magnet an of internal layer and the V-shape structure permanent magnet of a pair of outer layer, the V-shape of a pair of outer layer
Structure permanent magnet is symmetrical arranged along the rotor d-axis of the magnetic pole, and the set-up mode of internal layer permanent magnet 21 refers to first embodiment；The
In three kinds of embodiments, which includes the V-shape structure permanent magnet an of internal layer and the "-" type structure permanent magnet of a pair of outer layer,
The V-shape structure permanent magnet of internal layer is symmetrical arranged along the rotor d-axis of the magnetic pole, the "-" type structure permanent magnet edge of a pair of outer layer
The tangential direction of the rotor d-axis of the magnetic pole is symmetrical arranged；In 4th kind of embodiment, which includes the V-shape knot an of internal layer
The V-shape structure permanent magnet of structure permanent magnet and a pair of outer layer, the set-up mode of internal layer permanent magnet 21 refers to 3rd embodiment, a pair of
The V-shape structure permanent magnet of outer layer is symmetrical arranged along the rotor d-axis of the magnetic pole.Above-mentioned V-shape structure permanent magnet two sides do not connect
Logical, any permanent magnet both ends are equipped with every magnetic magnetic bridge, and the both ends of "-" type structure permanent magnet are respectively equipped with every magnetic magnetic bridge, every magnetic magnetic
It is air inside bridge.
In one embodiment, non-magnetic part or non-conductive part are equipped in magnet isolation tank.Wherein, preferably air, Huo Zhegen
According to needing to be configured, non-magnetic part is preferably carbon fiber, to increase the mechanical strength of rotor 1.
In a kind of specific embodiment, the logarithm of magnetic pole is 3 pairs.It in other embodiments, can be according to actual needs
The selection for carrying out number of magnetic pole pairs, as long as identical technical effect can be reached, in the present embodiment, with the act of 36 slot, 6 pole motor
Example explanation, outer layer set of permanent magnets 3 are along the symmetrically arranged two "-" type structure permanent magnets 6 in the two sides of rotor d-axis, and internal layer is forever
Magnet group 2 is the V-shape structure permanent magnet group that two internal layer permanent magnets 21 are symmetrical arranged along rotor d-axis two sides, are formed,
Wherein, the pole embrace of V-structure and angle are default according to design of electrical motor principle and design experiences, at this time internal layer set of permanent magnets 2
Cogging torque phase determine, pass through change outer layer set of permanent magnets 3 two "-" type structure permanent magnets 6 pole embrace
And angle, so that the amplitude of the amplitude of the cogging torque of outer layer set of permanent magnets 3 and internal layer set of permanent magnets 2 is close, phase phase difference
180 degree, to reduce cogging torque.
As shown in figure 4, the cogging torque that Fig. 4 is the rotor that the embodiment of the present invention provides changes over time curve signal
Figure.Preferably, the pole embrace α 1=5/6 of internal layer set of permanent magnets 2, internal layer set of permanent magnets 2 are the neodymium iron boron material of trade mark N33SH
Material, the pole embrace of outer layer set of permanent magnets 3 are α 2=1/6, a pair " one " type structure of the outer layer set of permanent magnets under a magnetic pole
Between angle be θ=30 °, determined by θ=(1 τ-n of α) * 360 °/Z, wherein τ be pole span, indicated by motor stator slot number, i.e.,
τ=Z/2p, wherein Z is the number of stator slots of motor, and p is number of pole-pairs, 1 τ of n < α and be even number.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that the process, method, article or equipment for including a series of elements not only includes that
A little elements, but also including other elements that are not explicitly listed, or further include for this process, method, article or
The intrinsic element of equipment.In the absence of more restrictions, the element limited by sentence "including a ...", is not arranged
Except there is also other identical elements in the process, method, article or apparatus that includes the element.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (6)
1. a kind of internal permanent magnet synchronous motor, which is characterized in that including stator core, rotor core and shaft, the rotor
The circumferencial direction of iron core is evenly distributed with multipair magnetic pole, any one magnetic pole includes being arranged along the radial direction of the rotor core
One internal layer set of permanent magnets and an outer layer set of permanent magnets, the internal layer set of permanent magnets and the outer layer set of permanent magnets are with the magnetic pole
Rotor d-axis for line of symmetry be symmetrical arranged, the internal layer set of permanent magnets be low-coercivity permanent magnetic material, the outer layer permanent magnet
Organizing is high coercive force permanent-magnetic material, and the both ends of any internal layer set of permanent magnets and any outer layer set of permanent magnets are set respectively
There is magnet isolation tank, the tooth socket that the cogging torque and the outer layer set of permanent magnets magnetic pole that the internal layer set of permanent magnets magnetic pole generates generate turns
Square phase phase difference 180 degree.
2. internal permanent magnet synchronous motor according to claim 1, which is characterized in that the internal layer set of permanent magnets is specially
"-" type structure permanent magnet or V-shape structure permanent magnet, the "-" type structure permanent magnet are vertical with the rotor d-axis of the magnetic pole
And be symmetrical arranged, the V-shape structure permanent magnet includes the symmetrically arranged internal layer permanent magnet of two rotor d-axis along the magnetic pole,
The center of circle of the rotor core is directed toward at the V-type tip that two internal layer permanent magnets are formed, and two internal layer permanent magnets are independent
It is arranged and without connection.
3. internal permanent magnet synchronous motor according to claim 2, which is characterized in that the outer layer set of permanent magnets includes one
To the symmetrically arranged outer layer permanent magnet of rotor d-axis along the magnetic pole, any outer layer permanent magnet be specially "-" type structure forever
Magnet or V-shape structure permanent magnet.
4. internal permanent magnet synchronous motor according to claim 3, which is characterized in that the outer layer permanent magnet is described one
The two sides tangential direction of rotor d-axis when font structure permanent magnet, along the magnetic pole is arranged.
5. internal permanent magnet synchronous motor according to claim 1, which is characterized in that be equipped in the magnet isolation tank non-magnetic
Part or non-conductive part.
6. internal permanent magnet synchronous motor according to claim 1, which is characterized in that described interior in the same magnetic pole
Layer set of permanent magnets is identical with the polarity of the outside set of permanent magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609705.6A CN110277848A (en) | 2019-07-08 | 2019-07-08 | A kind of internal permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910609705.6A CN110277848A (en) | 2019-07-08 | 2019-07-08 | A kind of internal permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110277848A true CN110277848A (en) | 2019-09-24 |
Family
ID=67962917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910609705.6A Pending CN110277848A (en) | 2019-07-08 | 2019-07-08 | A kind of internal permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110277848A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121276A1 (en) * | 2020-12-09 | 2022-06-16 | 上海特波电机有限公司 | V-shaped asymmetric segmented permanent magnet synchronous electric motor rotor |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599418A (en) * | 2018-05-16 | 2018-09-28 | 华中科技大学 | A kind of rotor core and motor of magnetic circuit tandem type hybrid permanent magnet controllable flux motor |
| CN108777519A (en) * | 2018-07-16 | 2018-11-09 | 珠海格力电器股份有限公司 | Alternating-pole motor and compressor with same |
| CN109660042A (en) * | 2019-01-16 | 2019-04-19 | 华中科技大学 | A kind of tandem type hybrid permanent magnet change flux electric machine |
| CN109831084A (en) * | 2019-04-08 | 2019-05-31 | 哈尔滨工业大学 | The built-in double V-shaped series-parallel adjustable flux permanent magnet synchronous motor of mixed magnetic circuit |
-
2019
- 2019-07-08 CN CN201910609705.6A patent/CN110277848A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108599418A (en) * | 2018-05-16 | 2018-09-28 | 华中科技大学 | A kind of rotor core and motor of magnetic circuit tandem type hybrid permanent magnet controllable flux motor |
| CN108777519A (en) * | 2018-07-16 | 2018-11-09 | 珠海格力电器股份有限公司 | Alternating-pole motor and compressor with same |
| CN109660042A (en) * | 2019-01-16 | 2019-04-19 | 华中科技大学 | A kind of tandem type hybrid permanent magnet change flux electric machine |
| CN109831084A (en) * | 2019-04-08 | 2019-05-31 | 哈尔滨工业大学 | The built-in double V-shaped series-parallel adjustable flux permanent magnet synchronous motor of mixed magnetic circuit |
Non-Patent Citations (1)
| Title |
|---|
| 中国惯性技术学会，中国航天电子技术研究院: "《惯性技术词典》", 31 October 2009 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022121276A1 (en) * | 2020-12-09 | 2022-06-16 | 上海特波电机有限公司 | V-shaped asymmetric segmented permanent magnet synchronous electric motor rotor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10367385B2 (en) | Motor | |
| US9083219B2 (en) | Rotor and motor | |
| CN109088494B (en) | Built-in hybrid permanent magnet memory motor with parallel local magnetic circuits | |
| CN108110980A (en) | Mid-series type has the adjustable flux electric machine of hybrid permanent magnet of passive adjustable magnetic magnetic barrier | |
| KR101981292B1 (en) | Permanent magnet motor rotor and permanent magnet synchronous motor | |
| JP2011217602A (en) | Flux concentration type synchronous rotating electric machine with permanent magnet | |
| CN108429375B (en) | Rotor structure, permanent magnet auxiliary synchronous reluctance motor and electric automobile | |
| CN106712425A (en) | Permanent magnet synchronous motor for compressor | |
| CN101651371B (en) | Stator surface mounted doubly salient permanent magnet motor with auxiliary salient pole | |
| CN104617726B (en) | A kind of permanent magnetism alternating expression axial magnetic field Magneticflux-switching type memory electrical machine | |
| CN101662198A (en) | Stator surface mounted doubly salient pole permanent magnet motor | |
| CN113014009B (en) | Permanent magnet series-parallel type variable magnetic circuit adjustable magnetic flux motor | |
| CN204442139U (en) | Permanent magnet type synchronous reluctance motor and compressor | |
| CN209282957U (en) | A kind of rotor and the motor with it | |
| CN104578636A (en) | Double-stator axial magnetic field flux-switching type mixing permanent magnetic memory motor | |
| CN105245076A (en) | Single-phase permanent-magnet synchronous motor with U-shaped iron core and self-starting method of single-phase permanent-magnet synchronous motor | |
| CN101562384B (en) | Magnetic-field-enhanced permanent-magnetic switching flux linkage motor with high fault tolerance | |
| CN108347145A (en) | A kind of bimorph transducer hybrid permanent magnet memory electrical machine | |
| CN110838779B (en) | Mixed excitation wound rotor and mixed excitation wound synchronous motor | |
| CN109831081A (en) | Using the built-in alternately pole, mixed excitation brushless of bilateral excitation | |
| CN103248189A (en) | Bipolar stator-surface-mounting type permanent magnet motor | |
| CN107124053B (en) | A kind of Consequent pole permanent magnet motor rotor using hybrid permanent-magnet | |
| CN107425629B (en) | Permanent magnet motor rotor | |
| CN104682653A (en) | Permanent magnet synchronous reluctance motor and compressor | |
| Niizuma et al. | Electronic motors capable of pole-changing and variable machine constants |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190924 |