CN114123559A - Stator assembly and motor - Google Patents
Stator assembly and motor Download PDFInfo
- Publication number
- CN114123559A CN114123559A CN202111333609.7A CN202111333609A CN114123559A CN 114123559 A CN114123559 A CN 114123559A CN 202111333609 A CN202111333609 A CN 202111333609A CN 114123559 A CN114123559 A CN 114123559A
- Authority
- CN
- China
- Prior art keywords
- stator
- teeth
- auxiliary
- motor
- tooth
- 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.)
- Granted
Links
- 238000004804 winding Methods 0.000 claims abstract description 54
- 230000003111 delayed effect Effects 0.000 abstract description 5
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 230000004907 flux Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000005347 demagnetization Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Images
Classifications
-
- 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
- H02K1/14—Stator cores with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
- H02K21/02—Details
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/18—Windings for salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/28—Layout of windings or of connections between windings
-
- 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)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The application provides a stator assembly and a motor. The stator component comprises a stator core and a stator core, wherein the stator core comprises stator teeth, the stator teeth comprise grooves, and the grooves are axially arranged along the stator core; the auxiliary teeth are arranged in the grooves; the stator teeth and the auxiliary teeth can be respectively wound with windings. The groove is formed in the stator teeth, the auxiliary teeth are arranged in the groove, starting capacity of the permanent magnet synchronous motor can be improved, power consumption of the motor can be reduced when the low-frequency section operates, motor efficiency is improved, the rotating speed range of the motor can be enlarged in the high-frequency section, the motor is delayed to enter the controller for weak magnetic control, current of the motor during high-speed operation can be reduced, power consumption of the motor is reduced, and motor efficiency of the high-frequency section of the motor is improved.
Description
Technical Field
The application belongs to the technical field of motors, and particularly relates to a stator assembly and a motor.
Background
At present, the permanent magnet synchronous motor has the advantages of small volume, high power density, high efficiency, high output torque, high operation reliability and the like, is widely used in various industries, and increasingly pursues high-speed stable operation along with the development of the industries, so the motor is a great test, but because of the characteristics of the motor, the rotating speed range is limited to a certain extent, the existing high-frequency requirement cannot be met, in the motor control process, in the motor starting process, in order to assist the motor to start, a motor controller can increase a torque compensation, along with the increase of the rotating speed of the motor, the back electromotive force of the motor can be increased proportionally, when the back electromotive force of the motor is the same as the input voltage, the rotating speed is increased, the magnetic flux is reduced, so that the motor further increases the rotating speed operation, namely, the so-called weak magnetic control, the rotating speed can be increased, however, the current is increased at the same time, and the current is increased very much to ensure constant output torque, so that demagnetization or protection are easy to occur, and further speed increase is not possible.
Disclosure of Invention
Therefore, the application provides a stator module and motor, can solve among the prior art output torque unchangeable, the increase of electric current can be very big, demagnetization very easily or protection for the problem of unable further speeding up again.
In order to solve the above problems, the present application provides a stator assembly including:
the stator core comprises stator teeth, the stator teeth comprise grooves, and the grooves are axially arranged along the stator core;
the auxiliary teeth are arranged in the grooves; the stator teeth and the auxiliary teeth can be respectively wound with windings.
Optionally, the number of stator teeth is greater than or equal to the number of auxiliary teeth.
Optionally, in a radial direction of the stator core, a length of the groove is smaller than a length of the stator tooth; the auxiliary teeth are integrally positioned in the grooves, and one end of each auxiliary tooth is arranged on the groove bottoms of the grooves.
Optionally, the circumferential width of the auxiliary tooth is L1, the distance between the auxiliary tooth and the inner wall of the groove is L3, and the requirement that 4mm is less than or equal to 2L3 is less than or equal to L1 is met.
Optionally, the wall thickness of the groove is L4, and L4 is more than or equal to 1.5 mm.
Optionally, the stator teeth have a circumferential width of L2, satisfying L3+ L4< L2.
Optionally, a gap between the auxiliary tooth and the inner wall of the groove forms an auxiliary tooth slot, and the auxiliary tooth slot is provided as a chute; and/or grooves are arranged on the end surfaces of the auxiliary teeth; and/or a protrusion in the circumferential direction is arranged on the auxiliary tooth.
Optionally, the axial height of the auxiliary tooth is H1, the axial height of the stator tooth is H2, the axial height of the winding on the auxiliary tooth is H3, H1< H3, and H2-H3 ≦ 1.5 mm.
Optionally, the stator includes a yoke portion, and a routing slot is formed in the yoke portion and used for winding a lead wire onto the auxiliary tooth.
According to another aspect of the present application, there is provided an electric machine comprising a stator assembly as described above.
Optionally, the windings on the stator teeth are connected in the same manner as the windings on the auxiliary teeth.
The application provides a stator assembly, includes: the stator core comprises stator teeth, the stator teeth comprise grooves, and the grooves are axially arranged along the stator core; the auxiliary teeth are arranged in the grooves; the stator teeth and the auxiliary teeth can be respectively wound with windings.
The groove is formed in the stator teeth, the auxiliary teeth are arranged in the groove, starting capacity of the permanent magnet synchronous motor can be improved, power consumption of the motor can be reduced when the low-frequency section operates, motor efficiency is improved, the rotating speed range of the motor can be enlarged in the high-frequency section, the motor is delayed to enter the controller for weak magnetic control, current of the motor during high-speed operation can be reduced, power consumption of the motor is reduced, and motor efficiency of the high-frequency section of the motor is improved.
Drawings
Fig. 1 is a schematic structural view of a stator assembly according to an embodiment of the present application;
fig. 2 is a perspective view of a stator assembly according to an embodiment of the present application;
FIG. 3 is a schematic view of a stator assembly according to an embodiment of the present disclosure having windings wound around the auxiliary teeth;
FIG. 4 is a schematic view of a stator assembly according to an embodiment of the present application with stator teeth and auxiliary teeth both wound with windings;
FIG. 5 is a dimensional schematic of a stator assembly of an embodiment of the present application;
FIG. 6 is a cross-sectional view of a stator assembly of an embodiment of the present application;
FIG. 7 is a schematic diagram of an embodiment of the present application in which the auxiliary tooth windings and the stator tooth windings are connected in series;
FIG. 8 is a schematic diagram of an embodiment of the present application in which the auxiliary tooth windings and the stator tooth windings are connected in parallel;
FIG. 9 is a schematic view of a different number of arrangements of auxiliary teeth according to an embodiment of the present application;
fig. 10 is a schematic view of four different configurations of auxiliary teeth according to an embodiment of the present application.
The reference numerals are represented as:
1. a stator core; 11. stator teeth; 111. a stator tooth winding; 12. a yoke portion; 2. auxiliary teeth; 21. a wiring groove; 22. and auxiliary tooth windings.
Detailed Description
Referring collectively to fig. 1-10, according to an embodiment of the present application, a stator assembly includes:
the stator core 1 comprises stator teeth 11, and the stator teeth 11 comprise grooves which are arranged along the axial direction of the stator core 1;
the auxiliary teeth 2 are arranged in the grooves; the stator teeth 11 and the auxiliary teeth 2 can be wound with windings, respectively.
The groove is formed in the stator teeth 11, the auxiliary teeth 2 are arranged in the groove, starting capacity of the permanent magnet synchronous motor can be improved, power consumption of the motor can be reduced when the low-frequency section operates, motor efficiency is improved, the rotating speed range of the motor can be enlarged when the high-frequency section operates, the motor is delayed to enter a controller for weak magnetic control, current of the motor during high-speed operation can be reduced, power consumption of the motor is reduced, and motor efficiency of the high-frequency section of the motor is improved.
An auxiliary tooth winding 22 is added on the stator tooth 11, and the auxiliary tooth winding 22 is electrified in the motor starting stage, the low-frequency running stage and the field weakening stage, so that a controller is not needed to trigger a torque compensation signal in the starting process of the motor; in the low-frequency operation process, the auxiliary tooth winding 22 is started, so that the overall magnetic flux of the motor can be increased in a certain auxiliary mode, the input current of the motor can be properly reduced, and the input power of the motor can be reduced; in a high frequency band, the auxiliary tooth winding 22 is closed, so that the magnetic flux can be properly reduced, the motor is delayed to enter the field weakening control of the controller, and the current rise is much smaller, so that the effects of reducing the current, reducing the power consumption of the motor and improving the efficiency of the motor can be achieved.
In some embodiments, the number of stator teeth 11 is greater than or equal to the number of auxiliary teeth 2.
As shown in fig. 9, not all the stator teeth 11 are provided with the auxiliary teeth 2, an appropriate number of auxiliary teeth 2 can be adopted and uniformly distributed on the stator teeth 11, so that the effects of reducing current, reducing power consumption of the motor and improving efficiency of the motor can be achieved.
In some embodiments, the length of the groove is smaller than the length of the stator tooth 11 in the radial direction of the stator core 1; the auxiliary teeth 2 are integrally positioned in the grooves, and one end of each auxiliary tooth is arranged on the groove bottoms of the grooves.
The auxiliary teeth 2 are integrally positioned in the grooves, and the auxiliary teeth winding 22 can play a role of changing part of magnetic flux.
In some embodiments, the circumferential width of the auxiliary tooth 2 is L1, the auxiliary tooth 2 is spaced from the inner wall of the groove by L3, and the requirement of 4mm & lt 2L3 & lt L1 is met.
The relationship between the width of the auxiliary teeth 2 and the interval between the auxiliary teeth 2 and the inner wall of the groove is defined for the convenience of the winding process.
In addition, the wall thickness of the groove is L4, and L4 is more than or equal to 1.5 mm; then, in order to ensure the mechanical strength of stator teeth 11, and it is also necessary to define that the circumferential width of stator teeth 11 is L2, satisfying L3+ L4< L2.
In some embodiments, the gap between the auxiliary tooth 2 and the inner wall of the groove forms an auxiliary tooth 2 groove, and the auxiliary tooth 2 groove is provided as a chute; and/or a groove is arranged on the end surface of the auxiliary tooth 2; and/or a protrusion in the circumferential direction is arranged on the auxiliary tooth 2.
As shown in fig. 10, the shape of the auxiliary teeth 2 can be designed according to the requirement, such as reducing the tooth harmonic, the chute can be added, the chute angle can be designed according to the specific requirement, such as reducing the tooth space torque, the slotting can be added on the teeth, and the specific shape can be changed according to the design requirement.
In some embodiments, the axial height of auxiliary tooth 2 is H1, the axial height of stator tooth 11 is H2, the axial height of the winding on auxiliary tooth 2 is H3, H1< H3, and H2-H3 ≦ 1.5 mm.
The relative configuration of the auxiliary teeth 2 is dimensioned to ensure a creepage distance and the auxiliary teeth winding 22 has certain height requirements to facilitate the assembly of the windings.
In some embodiments, the stator comprises a yoke portion 12, and a routing slot 21 is arranged on the yoke portion 12 and used for winding a wire to the auxiliary tooth 2.
The yoke 12 of the stator is provided with auxiliary teeth winding 22 wiring grooves 21, the auxiliary teeth winding 22 wiring grooves 21 are used for auxiliary teeth winding 22 lead wires, and the width of the grooves is less than or equal to the width L1 of the auxiliary teeth 2 of the stator in order to reduce the magnetic flux density of the stator yoke 12, so long as the winding can pass through.
According to another aspect of the present application, there is provided an electric machine comprising a stator assembly as described above.
In some embodiments, the windings on stator teeth 11 are connected in the same manner as the windings on auxiliary teeth 2.
As shown in fig. 7 and 8, the winding wire diameter is designed according to the requirement, the connection mode of the auxiliary tooth winding 22 and the stator tooth winding 111 depends on the connection mode of the stator tooth winding 111, the stator tooth windings 111 are connected in parallel or in series, the auxiliary tooth winding 22 is connected with the stator tooth windings 111 in the same mode, such as the stator tooth windings 111 are connected in series, the auxiliary tooth winding 22 is connected with the stator tooth windings 111 in series, as shown in fig. 7, such as the stator tooth windings 111 are connected in parallel; as shown in fig. 8, the auxiliary tooth winding 22 is connected in parallel with other windings after being connected in series with the stator tooth winding 111.
As shown in fig. 7, the winding wire diameter and the number of turns of each of the auxiliary tooth windings 22 are the same, the scheme of the auxiliary tooth winding 22 may be different from that of the stator tooth winding 111, the auxiliary switches K1, K4 and K7 are one group (hereinafter collectively referred to as S1), the auxiliary switches K2, K5 and K8 are one group (hereinafter collectively referred to as S2), the auxiliary switches K3, K6 and K9 are one group (hereinafter collectively referred to as S3), and in the start-up phase, at least two or more groups of switches S1, S2 and S3 are turned on to increase torque compensation, specifically, the number of switches turned on may be appropriately adjusted in the low-frequency operation phase according to the load condition, and when the motor operates in the high-frequency phase, the number of switches may be turned off until all three groups of switches are turned off, through the switching control of the switches, the start-up capability of the permanent magnet synchronous motor may be improved, the power consumption of the motor may be reduced in the low-frequency operation, the motor efficiency may be increased in the high-frequency phase, the motor speed range may be delayed to enter the controller weak magnetic control, the current of the motor in high-speed operation can be reduced, the power consumption of the motor is reduced, and the motor efficiency of the high frequency band of the motor is improved. The principle is the same when connecting wires.
It is easily understood by those skilled in the art that the above embodiments can be freely combined and superimposed without conflict.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (11)
1. A stator assembly, comprising:
the stator core (1) comprises stator teeth (11), the stator teeth (11) comprise grooves, and the grooves are axially arranged along the stator core (1);
the auxiliary teeth (2) are arranged in the grooves; the stator teeth (11) and the auxiliary teeth (2) can be respectively wound with windings.
2. Stator assembly according to claim 1, characterized in that the number of stator teeth (11) is greater than or equal to the number of auxiliary teeth (2).
3. A stator assembly according to claim 1 or 2, characterized in that the length of the slots is smaller than the length of the stator teeth (11) in the radial direction of the stator core (1); the auxiliary teeth (2) are integrally positioned in the grooves, and one end of each auxiliary tooth is arranged on the groove bottoms of the grooves.
4. The stator assembly according to claim 3, characterized in that the circumferential width of the auxiliary teeth (2) is L1, the auxiliary teeth (2) are spaced from the inner wall of the groove by L3, and 4mm 2L 3L 1 is satisfied.
5. The stator assembly of claim 4, wherein the wall thickness of the groove is L4, and L4 is more than or equal to 1.5 mm.
6. The stator assembly according to claim 4 or 5, characterized in that the stator teeth (11) have a circumferential width of L2, satisfying L3+ L4< L2.
7. The stator assembly according to claim 1, characterized in that the gap between the auxiliary teeth (2) and the inner wall of the groove constitutes an auxiliary tooth (2) slot, the auxiliary tooth (2) slot being provided as a skewed slot; and/or a groove is arranged on the end surface of the auxiliary tooth (2); and/or a protrusion in the circumferential direction is arranged on the auxiliary tooth (2).
8. The stator assembly according to claim 1, characterized in that the axial height of the auxiliary teeth (2) is H1, the axial height of the stator teeth (11) is H2, the axial height of the windings on the auxiliary teeth (2) is H3, H1< H3, and H2-H3 ≦ 1.5 mm.
9. A stator assembly according to claim 4, characterized in that the stator comprises a yoke part (12), and that cabling slots (21) are provided in the yoke part (12) for routing wires to the auxiliary teeth (2).
10. An electrical machine comprising a stator assembly according to any of claims 1-9.
11. An electric machine according to claim 10, characterized in that the windings on the stator teeth (11) are connected in the same way as the windings on the auxiliary teeth (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333609.7A CN114123559B (en) | 2021-11-11 | 2021-11-11 | Stator assembly and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333609.7A CN114123559B (en) | 2021-11-11 | 2021-11-11 | Stator assembly and motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114123559A true CN114123559A (en) | 2022-03-01 |
| CN114123559B CN114123559B (en) | 2023-04-07 |
Family
ID=80378528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333609.7A Active CN114123559B (en) | 2021-11-11 | 2021-11-11 | Stator assembly and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114123559B (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001346372A (en) * | 2000-03-29 | 2001-12-14 | Japan Servo Co Ltd | 2-phase hybrid type stepping motor |
| JP2003018770A (en) * | 2001-06-28 | 2003-01-17 | Hitachi Ltd | Rotary electric machine |
| JP2006230116A (en) * | 2005-02-18 | 2006-08-31 | Mitsubishi Electric Corp | Permanent magnet motor and manufacturing method thereof |
| US20070252447A1 (en) * | 2004-08-09 | 2007-11-01 | A.O. Smith Corporation | Electric motor having a stator |
| CN102111050A (en) * | 2009-12-28 | 2011-06-29 | 上海永大吉亿电机有限公司 | Permanent magnet motor of elevator |
| CN108736596A (en) * | 2018-08-24 | 2018-11-02 | 珠海格力电器股份有限公司 | Stator core and motor |
| CN109742873A (en) * | 2018-12-27 | 2019-05-10 | 江苏大学 | A kind of piecemeal magnetic resistant electric motor with double stator switch for electric vehicle |
| CN109818471A (en) * | 2019-02-01 | 2019-05-28 | 江苏大学 | A kind of double air gaps magnetic field modulation magneto |
| CN109921591A (en) * | 2019-03-29 | 2019-06-21 | 华中科技大学 | A kind of two-sided permanent magnet two-shipper electricity port electric motor |
| CN110350746A (en) * | 2019-08-02 | 2019-10-18 | 珠海格力电器股份有限公司 | Permanent magnet motor |
| CN110365132A (en) * | 2019-07-02 | 2019-10-22 | 武汉研道科技有限公司 | A kind of built-in outer rotor hub motor of change branch modularization permanent-magnetism for electric vehicle |
| CN211405629U (en) * | 2020-03-03 | 2020-09-01 | 威灵（芜湖）电机制造有限公司 | Stator core, stator, motor and household appliance |
| CN112803628A (en) * | 2021-02-01 | 2021-05-14 | 南京航空航天大学 | Split-tooth type alternate-pole hybrid excitation brushless motor based on alternating-current excitation |
| CN113364157A (en) * | 2021-06-11 | 2021-09-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator core assembly, stator assembly and motor |
| CN113497495A (en) * | 2020-04-01 | 2021-10-12 | 长城汽车股份有限公司 | Stator core for high-speed permanent magnet motor, motor and vehicle |
-
2021
- 2021-11-11 CN CN202111333609.7A patent/CN114123559B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001346372A (en) * | 2000-03-29 | 2001-12-14 | Japan Servo Co Ltd | 2-phase hybrid type stepping motor |
| JP2003018770A (en) * | 2001-06-28 | 2003-01-17 | Hitachi Ltd | Rotary electric machine |
| US20070252447A1 (en) * | 2004-08-09 | 2007-11-01 | A.O. Smith Corporation | Electric motor having a stator |
| JP2006230116A (en) * | 2005-02-18 | 2006-08-31 | Mitsubishi Electric Corp | Permanent magnet motor and manufacturing method thereof |
| CN102111050A (en) * | 2009-12-28 | 2011-06-29 | 上海永大吉亿电机有限公司 | Permanent magnet motor of elevator |
| CN108736596A (en) * | 2018-08-24 | 2018-11-02 | 珠海格力电器股份有限公司 | Stator core and motor |
| CN109742873A (en) * | 2018-12-27 | 2019-05-10 | 江苏大学 | A kind of piecemeal magnetic resistant electric motor with double stator switch for electric vehicle |
| CN109818471A (en) * | 2019-02-01 | 2019-05-28 | 江苏大学 | A kind of double air gaps magnetic field modulation magneto |
| CN109921591A (en) * | 2019-03-29 | 2019-06-21 | 华中科技大学 | A kind of two-sided permanent magnet two-shipper electricity port electric motor |
| CN110365132A (en) * | 2019-07-02 | 2019-10-22 | 武汉研道科技有限公司 | A kind of built-in outer rotor hub motor of change branch modularization permanent-magnetism for electric vehicle |
| CN110350746A (en) * | 2019-08-02 | 2019-10-18 | 珠海格力电器股份有限公司 | Permanent magnet motor |
| CN211405629U (en) * | 2020-03-03 | 2020-09-01 | 威灵（芜湖）电机制造有限公司 | Stator core, stator, motor and household appliance |
| CN113497495A (en) * | 2020-04-01 | 2021-10-12 | 长城汽车股份有限公司 | Stator core for high-speed permanent magnet motor, motor and vehicle |
| CN112803628A (en) * | 2021-02-01 | 2021-05-14 | 南京航空航天大学 | Split-tooth type alternate-pole hybrid excitation brushless motor based on alternating-current excitation |
| CN113364157A (en) * | 2021-06-11 | 2021-09-07 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator core assembly, stator assembly and motor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114123559B (en) | 2023-04-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10734858B2 (en) | Electric motor | |
| CN104426315B (en) | Three-phase electromagnetic motor | |
| JP2007259541A (en) | Permanent magnet type motor | |
| WO2017110760A1 (en) | Rotating electrical machine and method of manufacturing same | |
| CN103929040B (en) | Circular Winding polyphase ac linear induction motor system | |
| US12027918B2 (en) | Rotor and electric motor | |
| US20150188379A1 (en) | Insulating unit for driving motor | |
| US10756587B2 (en) | Polyphase AC electric motor | |
| WO2013098949A1 (en) | Motor | |
| JPH10210721A (en) | Reluctance motor | |
| US11101723B2 (en) | Three-phase induction motor | |
| CN114123559B (en) | Stator assembly and motor | |
| US7545069B2 (en) | Electric machine winding arrangement | |
| JP4158013B2 (en) | Permanent magnet synchronous motor armature and permanent magnet synchronous motor using the same | |
| US11632004B2 (en) | Electric motor with stator | |
| CN208674969U (en) | Motor stator and motor | |
| CN108900053A (en) | A kind of 9/8 pole switching reluctance motor | |
| CN110620447B (en) | Permanent magnet motor and compressor | |
| CN114709950A (en) | Motor rotor, motor, compressor and air conditioner | |
| CN210142972U (en) | High-reluctance torque concentrated winding brushless motor | |
| US20100244612A1 (en) | Ac motor winding pattern | |
| US20160329758A1 (en) | Magnetically isolated electrical machines | |
| CN220254232U (en) | Stator assembly of high-speed motor and high-speed motor | |
| JP7317143B2 (en) | Core assemblies, motors, compressors and vehicles | |
| JP2000236638A (en) | Stator of dynamoelectric machine |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |