CN108649759A - Motor structure and electric automobile with same - Google Patents
Motor structure and electric automobile with same Download PDFInfo
- Publication number
- CN108649759A CN108649759A CN201810757768.1A CN201810757768A CN108649759A CN 108649759 A CN108649759 A CN 108649759A CN 201810757768 A CN201810757768 A CN 201810757768A CN 108649759 A CN108649759 A CN 108649759A
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- Prior art keywords
- stator
- rotor
- component
- shell
- electric machine
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- 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.)
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- 238000010276 construction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 239000002243 precursor Substances 0.000 description 3
- 238000001727 in vivo Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005662 electromechanics Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K16/00—Machines with more than one rotor or stator
-
- 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
- H02K1/12—Stationary parts of the magnetic circuit
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/12—Transversal flux machines
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention provides a motor structure and an electric automobile with the same. The motor structure comprises a shell; the inner stator assembly is arranged in the shell; an inner rotor assembly disposed within the inner stator assembly; a first stator assembly connected with the housing; a first rotor assembly disposed within the housing and between the first stator assembly and the inner stator assembly; the rotating shaft sequentially penetrates through the first stator assembly, the first rotor assembly and the inner rotor assembly, the first rotor assembly is matched with the first stator assembly, and the inner stator assembly is matched with the inner rotor assembly to drive the rotating shaft to rotate together. The arrangement can effectively utilize the gap between the shell and the inner stator assembly to set the first rotor assembly, so that the power density of the motor with the motor structure is effectively improved under the condition that the circumferential lengths of the shells are the same.
Description
Technical field
The present invention relates to compressor apparatus technical fields, in particular to a kind of electric machine structure and with the electronic of its
Automobile.
Background technology
Conventional motors since the limitation of bearing chamber position can reserve a gap (as shown in Figure 1) at electric motor end cap, this
Sample designs the volume for increasing motor unintentionally, reduces the power density of motor.Current motor with the rapid development of society
It is proposed lightweight, the design object of miniaturization in many application industries.For example, new energy electromechanics trade, aerospace industry with
And automobile industry etc., power of motor density reduction motor volume is improved for machine designer, is had to pass weight to seizing market
The effect wanted.
In order to solve this problem, reducing gap can design bearing chamber evagination (as shown in Figure 2) so preceding many motors
Lead to following two problems：
1, motor axial length space still increases.
2, bearing chamber external structure will lead to bearing chamber strength reduction, security risk occurs.
Invention content
The main purpose of the present invention is to provide a kind of electric machine structure and with its electric vehicle, to solve the prior art
The middle low density problem of power of motor.
To achieve the goals above, according to an aspect of the invention, there is provided a kind of electric machine structure, including：Shell；It is interior
Portion's stator module, internal stator component are set in shell；Inner rotator component, inner rotator component are set to internal stator group
In part；First stator module, the first stator module are connected with shell；The first rotor component, the first rotor component are set to shell
In vivo and between the first stator module and internal stator component；Shaft, shaft sequentially pass through the first stator module, first turn
Sub-component and inner rotator component setting, the first rotor component matched with the first stator module and internal stator component and
Inner rotator component is matched to be rotated with common drive shaft.
Further, internal stator component includes inner stator, and inner rotator component includes internal rotor, and inner stator is set to shell
In vivo, internal rotor is set in inner stator, is arranged in internal rotor in the middle part of shaft, and the both ends of shaft extend to outside shell.
Further, the first rotor component includes the first rotor, and the first rotor is set in shell and with the of inner stator
One end is disposed adjacently, and the first stator module includes the first stator, and the first stator is connected with the first end of shell, and the of shaft
One end sequentially passes through the first rotor and the first stator extends to outside shell, and shaft can drive the first rotor to turn with respect to the first stator
It is dynamic.
Further, the first stator module is disc type stator member structure, and the first stator module forms the first end of shell
End cover structure.
Further, the first rotor component is disk rotor modular construction.
Further, electric machine structure further includes the second stator module and the second rotor assembly, and the second rotor assembly includes the
Two rotors, the second rotor are set in shell and are disposed adjacently with the second end of inner stator, and the second stator module includes second
Stator, the second stator are connected with the second end of shell, and the second end of shaft sequentially passes through the second rotor and the second stator extends
To outside shell, shaft can drive the second rotor with respect to the second stator rotation.
Further, the second stator module is disc type stator member structure, and the second stator module forms the second end of shell
End cover structure.
Further, the second rotor assembly is disk rotor modular construction.
Further, inner rotator component, the first rotor component and the second rotor assembly are coaxially disposed.
According to another aspect of the present invention, a kind of electric vehicle, including electric machine structure are provided, electric machine structure is above-mentioned
Electric machine structure.
It applies the technical scheme of the present invention, is matched with the first stator module by setting the first rotor component and interior
Portion's stator module is matched with inner rotator component to be rotated with common drive shaft.In this way setting can efficiently use shell with it is interior
The first rotor component is arranged in gap between portion's stator module so that and it is identical in shell circumferential lengths, effectively
Improve the power of motor density with the electric machine structure.
Description of the drawings
The accompanying drawings which form a part of this application are used to provide further understanding of the present invention, and of the invention shows
Meaning property embodiment and its explanation are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 shows the structural schematic diagram of the first embodiment of electric machine structure in the prior art；
Fig. 2 shows the structural schematic diagrams of the second embodiment of electric machine structure in the prior art；
Fig. 3 shows the structural schematic diagram of the first embodiment of electric machine structure according to the present invention；
Fig. 4 shows the structural schematic diagram of the second embodiment of electric machine structure according to the present invention；
Fig. 5 shows the structural schematic diagram of the embodiment of the first stator module and the first rotor component according to the present invention.
Wherein, above-mentioned attached drawing includes the following drawings label：
10, shell；
20, conventional motors；21, inner stator；22, internal rotor；
30, shaft；
40, disc type electric machine；41, the first rotor；42, the first stator；43, the second rotor；44, the second stator.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
It should be noted that term " first ", " second " etc. in the description and claims of this application and attached drawing
It is for distinguishing similar object, without being used to describe specific sequence or precedence.It should be appreciated that the art used in this way
Language can be interchanged in the appropriate case, so that presently filed embodiment described herein for example can be in addition to illustrating herein
Or the sequence other than those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment need not limit
In those of clearly listing step or unit, but may include not listing clearly or for these processes, method, production
The intrinsic other steps of product or equipment or unit.
For ease of description, herein can with use space relative terms, as " ... on ", " in ... top ",
" ... upper surface ", " above " etc., for describing such as a device shown in the figure or feature and other devices or spy
The spatial relation of sign.It should be understood that spatially relative term is intended to comprising the orientation in addition to device described in figure
Except different direction in use or operation.For example, if the device in attached drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after part or construction top " or the device of " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " may include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (be rotated by 90 ° or be in other orientation), and
And respective explanations are made to the opposite description in space used herein above.
Now, the illustrative embodiments according to the application are more fully described with reference to the accompanying drawings.However, these are exemplary
Embodiment can be implemented by many different forms, and should not be construed to be limited solely to embodiment party set forth herein
Formula.It should be understood that thesing embodiments are provided so that disclosure herein is thoroughly and complete, and these are shown
The design of example property embodiment is fully conveyed to those of ordinary skill in the art, in the accompanying drawings, for the sake of clarity, it is possible to expand
The big thickness of layer and region, and make that identical device is presented with like reference characters, thus omission retouches them
It states.
In conjunction with shown in Fig. 3 to Fig. 5, according to an embodiment of the invention, a kind of electric machine structure is provided.
Specifically, as shown in Figure 1, the electric machine structure includes shell 10, internal stator component, inner rotator component, first
Stator module, the first rotor component and shaft 30.Internal stator component is set in shell 10.In inner rotator component is set to
In portion's stator module.First stator module is connected with shell 10.The first rotor component is set in shell 10 and is located at first
Between stator module and internal stator component.Shaft 30 sequentially passes through the first stator module, the first rotor component and inner rotator
Component is arranged, and the first rotor component is matched with the first stator module and internal stator component matches with inner rotator component
It closes and is rotated with common drive shaft 30.
In the present embodiment, it is matched with the first stator module and internal stator group by the way that the first rotor component is arranged
Part is matched with inner rotator component to be rotated with common drive shaft.Setting can efficiently use shell and internal stator group in this way
The first rotor component is arranged in gap between part so that and it is identical in shell circumferential lengths, it is effectively improved tool
There is the power of motor density of the electric machine structure.
Specifically, internal stator component includes inner stator 21, and inner rotator component includes internal rotor 22.Inner stator 21 is arranged
In in shell 10, internal rotor 22 is set in inner stator 21, and the middle part of shaft 30 is arranged in internal rotor 22, the both ends of shaft 30
It extends to outside shell 10.Setting can effectively improve the performance of motor in this way.
Further, the first rotor component includes the first rotor 41.The first rotor 41 be set in shell 10 and with it is default
The first end of son 21 is disposed adjacently.First stator module includes the first stator 42.The first end of first stator 42 and shell 10
It is connected, the first end of shaft 30 sequentially passes through the first rotor 41 and the first stator 42 extends to outside shell 10, and shaft 30 can band
Dynamic the first rotor 41 is rotated relative to the first stator 42.Wherein, the first stator module is disc type stator member structure, the first stator pack
Part forms the end cover structure of the first end of shell 10.The first rotor component be and the matched disk rotor group of the first stator module
Part structure.As shown in figure 3, this structural electromotor can be under the precursor for not reducing bearing chamber intensity, at motor bearings preset clearance
Increase disk type electric machine stator and rotor structure, it is light-weight because disc type electric machine has axial dimension short, it is small, it is compact-sized,
The features such as rotor moment of inertia is small allows the original vacant useless sky of motor under the premise of not influencing motor overall startup performance
Between output torque, output power can improve the utilization rate of motor inner space, improve the power density of motor.In this implementation
In example, the stator member structure that is arranged to the end cap of conventional motors that there is electric motors function, wherein in the present embodiment, first
Stator module includes stator body, stator core and winding, and stator core and winding are connected with stator body, stator body with
Shell is connected.
Further, electric machine structure further includes the second stator module and the second rotor assembly.Second rotor assembly includes the
Two rotors 43.Second rotor 43 is set in shell 10 and is disposed adjacently with the second end of inner stator 21.Second stator module
Including the second stator 44.Second stator 44 is connected with the second end of shell 10, and the second end of shaft 30 sequentially passes through second turn
Son 43 and the second stator 44 extend to outside shell 10, and shaft 30 can drive the second rotor 43 to be rotated relative to the second stator 44.Wherein,
Second stator module is disc type stator member structure, and the second stator module forms the end cover structure of the second end of shell 10.Second
Rotor assembly be and the matched disk rotor modular construction of the second stator module.I.e. in the present embodiment, 43 He of the second rotor
The structure of second stator 44 and the structure of the first rotor 41 and the first stator 42 can further improve being arranged to
The power density of electric machine structure.As shown in Figure 3 and Figure 4, the first rotor and the first stator form a part for disc type electric machine 40, interior
Stator 21 forms a part for conventional motors 20 with internal rotor 22, and the second rotor 43 and the second stator 44 form another disc type electricity
A part for machine.I.e. in the present embodiment, which be arranged by two disc type electric machines and a conventional motors.In this reality
It applies in example, the rotor assembly and stator module of traditional disc type electric machine may be used in disc type stator module and disk rotor component
Set-up mode.
Preferably, inner rotator component, the first rotor component and the second rotor assembly are coaxially disposed.
Electric machine structure in above-described embodiment can be also used for electric vehicle equipment technical field, i.e., according to the present invention another
On the one hand, a kind of electric vehicle, including electric machine structure are provided, electric machine structure is the electric machine structure in above-described embodiment.Wherein,
The set-up mode of disc type electric machine in the prior art may be used in first stator module and the first rotor component.
Specifically, using the electric machine structure of the structure, efficiently solving conventional motors inner space cannot make full use of,
Volume is big, the low problem of power density.Specifically, increase disc type electric machine design at the axial reserved space of electric machine structure, fill
Divide and utilize motor inner space, improves the power density of motor.Disk type electric motor rotor and conventional motors rotor axis connection, it is front and back
As disk type electric machine stator, entire motor may be considered three separated motors and drives together end cap, make full use of empty inside motor
Between, improve the power density of motor.The different shaped of the first stator module and the first rotor component (as shown in Figure 5) of different model
The power of number size is as shown in the table, and (L is the axial height of the first stator module and the first rotor component, and D is the first stator pack
The radial width of part)：
| Power (KW) | L(mm) | D(mm) | Power density (W/mm3) |
| 0.2 | 74.5 | 150 | 0.000151915 |
| 0.4 | 74.5 | 164 | 0.000254171 |
| 0.75 | 76 | 195 | 0.000330437 |
| 1.1 | 97 | 235 | 0.000261454 |
| 3 | 108 | 268 | 0.000492423 |
Such as the rated power of motor is 0.35KW, if reserved space increases disc type electric machine, design power of motor will at least
Increase △ P=54W, calculating process is shown in formula (1), about improves power of motor density △ ρ=15%, and calculating process is shown in formula (2).
△ P=π * (107/2)2* 20*2*0.0001519=54W formulas (1)
△ ρ=(0.35*1000+54)/(0.35*1000) -1=0.15 formulas (2)
Primary structure is the rotor group by two disc type electric machines and a conventional motors inside motor in this implementation
Dress is composed, and it is short that this structure design is utilized disc type electric machine axial dimension, light-weight, small, it is compact-sized the features such as,
Motor inner space is made full use of in the case where not influencing the precursor of electric motor starting and runnability, improves the power density of motor,
Requirement of the new era motor market to small size high power density is met.
Gap is axially reserved in conventional motors, increases disc type electric machine structure design, disk type electric motor rotor and conventional motors
Coaxially, stator borrows conventional motors end cap, and short using disc type electric machine axial dimension, light-weight, small, compact-sized etc.
Design feature improves the power density of motor under the precursor for not influencing motor overall performance, and the market for increasing motor is competing
Strive power.
Than that described above, it is also necessary to which explanation is " one embodiment " spoken of in the present specification, " another implementation
Example ", " embodiment " etc. refer to that specific features, structure or the feature of embodiment description is combined to be included in the application summary
Property description at least one embodiment in.It is not centainly to refer to the same reality that statement of the same race, which occur, in multiple places in the description
Apply example.Furthermore, it is understood that when describing a specific features, structure or feature in conjunction with any embodiment, what is advocated is knot
Other embodiment is closed to realize that this feature, structure or feature are also fallen within the scope of the present invention.
In the above-described embodiments, it all emphasizes particularly on different fields to the description of each embodiment, there is no the portion being described in detail in some embodiment
Point, it may refer to the associated description of other embodiment.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of electric machine structure, which is characterized in that including：
Shell (10)；
Internal stator component, the internal stator component are set in the shell (10)；
Inner rotator component, the inner rotator component are set in the internal stator component；
First stator module, first stator module are connected with the shell (10)；
The first rotor component, the first rotor component be set in the shell (10) and positioned at first stator module and
Between the internal stator component；
Shaft (30), the shaft (30) sequentially pass through first stator module, the first rotor component and the inner rotator
Component be arranged, the first rotor component matched with first stator module and the internal stator component with it is described
Inner rotator component is matched to drive the shaft (30) to rotate jointly.
2. electric machine structure according to claim 1, which is characterized in that the internal stator component includes inner stator (21),
The inner rotator component includes internal rotor (22), and the inner stator (21) is set in the shell (10), the internal rotor
(22) it is set in the inner stator (21), is arranged in the middle part of the shaft (30) in the internal rotor (22), the shaft
(30) both ends extend to the shell (10) outside.
3. electric machine structure according to claim 2, which is characterized in that the first rotor component includes the first rotor
(41), the first rotor (41) is set in the shell (10) and is adjacent to the first end of the inner stator (21) and sets
It sets, first stator module includes the first stator (42), the first end phase of first stator (42) and the shell (10)
Connection, described in the first end of the shaft (30) sequentially passes through the first rotor (41) and first stator (42) extends to
Outside, the shaft (30) can drive the first rotor (41) to be rotated relative to first stator (42) to shell (10).
4. electric machine structure according to claim 1, which is characterized in that first stator module is disc type stator module knot
Structure, first stator module form the end cover structure of the first end of the shell (10).
5. electric machine structure according to claim 1, which is characterized in that the first rotor component is disk rotor component knot
Structure.
6. electric machine structure according to claim 2, which is characterized in that the electric machine structure further include the second stator module and
Second rotor assembly, second rotor assembly include the second rotor (43), and second rotor (43) is set to the shell
(10) it being disposed adjacently in and with the second end of the inner stator (21), second stator module includes the second stator (44),
Second stator (44) is connected with the second end of the shell (10), and the second end of the shaft (30) sequentially passes through described
Second rotor (43) and second stator (44) extend to the shell (10) outside, and the shaft (30) can drive described second
Rotor (43) is rotated relative to second stator (44).
7. electric machine structure according to claim 6, which is characterized in that second stator module is disc type stator module knot
Structure, second stator module form the end cover structure of the second end of the shell (10).
8. electric machine structure according to claim 6, which is characterized in that second rotor assembly is disk rotor component knot
Structure.
9. electric machine structure according to claim 6, which is characterized in that the inner rotator component, the first rotor group
Part is coaxially disposed with second rotor assembly.
10. a kind of electric vehicle, including electric machine structure, which is characterized in that the electric machine structure is any in claim 1 to 9
Electric machine structure described in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757768.1A CN108649759A (en) | 2018-07-11 | 2018-07-11 | Motor structure and electric automobile with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810757768.1A CN108649759A (en) | 2018-07-11 | 2018-07-11 | Motor structure and electric automobile with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108649759A true CN108649759A (en) | 2018-10-12 |
Family
ID=63750818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810757768.1A Pending CN108649759A (en) | 2018-07-11 | 2018-07-11 | Motor structure and electric automobile with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108649759A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5952756A (en) * | 1997-09-15 | 1999-09-14 | Lockheed Martin Energy Research Corporation | Permanent magnet energy conversion machine with magnet mounting arrangement |
| CN101667768A (en) * | 2009-10-01 | 2010-03-10 | 哈尔滨工业大学 | Brushless feed claw-pole composite motor |
| KR20140067361A (en) * | 2012-11-26 | 2014-06-05 | 조윤현 | Flat type rotating apparatus |
| CN105610288A (en) * | 2016-01-26 | 2016-05-25 | 江苏大学 | Permanent-magnet torque and reluctance torque separated motor and optimal efficiency control method |
| CN208337369U (en) * | 2018-07-11 | 2019-01-04 | 珠海格力电器股份有限公司 | Motor structure and electric automobile with same |
-
2018
- 2018-07-11 CN CN201810757768.1A patent/CN108649759A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5952756A (en) * | 1997-09-15 | 1999-09-14 | Lockheed Martin Energy Research Corporation | Permanent magnet energy conversion machine with magnet mounting arrangement |
| CN101667768A (en) * | 2009-10-01 | 2010-03-10 | 哈尔滨工业大学 | Brushless feed claw-pole composite motor |
| KR20140067361A (en) * | 2012-11-26 | 2014-06-05 | 조윤현 | Flat type rotating apparatus |
| CN105610288A (en) * | 2016-01-26 | 2016-05-25 | 江苏大学 | Permanent-magnet torque and reluctance torque separated motor and optimal efficiency control method |
| CN208337369U (en) * | 2018-07-11 | 2019-01-04 | 珠海格力电器股份有限公司 | Motor structure and electric automobile with same |
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