CN206041678U - A rotor, motor and compressor for motor - Google Patents
A rotor, motor and compressor for motor Download PDFInfo
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- CN206041678U CN206041678U CN201621038273.6U CN201621038273U CN206041678U CN 206041678 U CN206041678 U CN 206041678U CN 201621038273 U CN201621038273 U CN 201621038273U CN 206041678 U CN206041678 U CN 206041678U
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- permanent magnet
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Abstract
The utility model discloses a rotor, motor and compressor for motor, the rotor includes rotor core and permanent magnet. The last multiple magnets groove that is equipped with the shaft hole and centers on the circumference interval setting in shaft hole of rotor core, every magnet cell's both ends all are equipped with the flux barrier rather than the intercommunication, inject magnetic separation bridge between two adjacent flux barrier, the permanent magnet is established in the magnet cell who corresponds, the permanent magnet includes along rotor core's radial relative first surface and the second surface that sets up, the neighbouring shaft hole of second surface, the projection of first surface on the base face includes the circular arc section, the projection of second surface on the base face is connected gradually by the multistage straightway and constitutes, the contained angle has between the adjacent straightway, wherein base face be with the the central axis vertically plane of rotor. According to the utility model discloses a radial thickness that is used for the rotor of motor, can increase the permanent magnet to can increase the volume of permanent magnet, improve the magnetic energy product of permanent magnet, and have miniaturized, with low costs advantage.
Description
Technical field
This utility model is related to machine field, more particularly, to a kind of rotor for motor, motor and compressor.
Background technology
The rotor of permagnetic synchronous motor adopts the ferrum oxygen permanent magnet of tile shape at present, and which has simple structure, utilization rate high
Advantage.Ferrum oxygen permanent magnet is arranged around rotor center axis hole, for rotor needs miniaturization to arrange, and needs to ensure permanent magnetism
When the distance between body and axis hole, the radial thickness of permanent magnet can only be reduced.Permanent magnet radial thickness reduces, and one is to cause tile
The magnetic energy product that shape permanent magnet is provided reduces, and electric efficiency declines；Two is to cause the anti-demagnetization capability of motor to decline, and reliability is reduced.
Using more high energy product and the permanent magnet of higher HCJ, can be used as some means for solving the above problems.
However, motor cost increases.
Utility model content
This utility model is intended at least to solve to a certain extent one of technical problem in correlation technique.For this purpose, this reality
With a kind of rotor for motor of new proposition, the rotor has miniaturization, efficient advantage.
This utility model has also been proposed a kind of motor with above-mentioned rotor.
This utility model also proposed a kind of compressor with above-mentioned motor.
According to the rotor for motor of this utility model first aspect embodiment, including：Rotor core, the rotor ferrum
The cross section of core is circle, and the rotor core is provided with axis hole and the circumferentially spaced multiple magnetic around the axis hole
Body groove, the two ends of each magnet slot are equipped with the magnet isolation tank for communicating therewith, and limit between the two neighboring magnet isolation tank
Every magnetic bridge；Multiple permanent magnets, multiple permanent magnets are located in the corresponding magnet slot, the shape of the magnet slot with it is described
The mating shapes of permanent magnet, the permanent magnet include the first surface for diametrically arranging and second along the rotor core
Surface, adjacent to the axis hole, projection of the first surface on basal plane includes arc section, second table to the second surface
Projection of the face on basal plane is sequentially connected by multistage straightway and is constituted, and has angle between the adjacent straightway, wherein described
Basal plane is the plane with the central axis upright of the rotor.
According to the rotor for motor of this utility model embodiment, by by the second surface of the neighbouring axis hole of permanent magnet
Projection be arranged to be sequentially connected by multistage straightway and constitute, thus ensureing the same of the safe distance between permanent magnet and axis hole
When, the radial thickness of permanent magnet can be increased, such that it is able to increase the volume of permanent magnet, the magnetic flux of permanent magnet is improved, and
There is miniaturization, low cost.
According to some embodiments of the present utility model, projection of the second surface on basal plane by three sections of straightways successively
Connect and compose, and three sections of straightways are symmetrical with regard to corresponding pole center line.
Further, the length of the straightway in three sections of straightways positioned at middle part is more than three sections of straightway middle positions
In the length of the straightway of both sides.
According to some embodiments of the present utility model, the mode of magnetization of the permanent magnet is diametrical magnetization, the arc section
The center of circle be the radial direction center of circle.
According to some embodiments of the present utility model, the rotor core is formed by multiple rotor sheets are stacked, the magnet
Thickness of the minimum range between the outer edge of groove and the rotor core more than the rotor sheet.
According to some embodiments of the present utility model, most path of the Breadth Maximum every magnetic bridge less than the permanent magnet
To thickness.
According to some embodiments of the present utility model, the rotor core is provided with rivet hole, and the rivet hole is located at phase
Arrange between adjacent two magnet slots and adjacent to the axis hole.
According to some embodiments of the present utility model, the magnet isolation tank includes：First side neighbouring with the first surface；
Second side neighbouring with the second surface；For connect described first while free end and free end when described second
Three sides, described first is vertically connected while with the described 3rd, and described second is vertically connected while with the described 3rd.
According to this utility model second aspect embodiment motor, including：Stator, is formed with rotor hole on the stator；Root
According to the rotor for motor of the above-mentioned first aspect embodiment of this utility model, the rotor is located in the rotor hole.
According to this utility model embodiment motor, by arranging above-mentioned rotor, miniaturization can be met, efficient made
With requiring, and low cost.
According to the compressor of this utility model third aspect embodiment, including：According to the above-mentioned second aspect of this utility model
The motor of embodiment.
According to the compressor of this utility model embodiment, by arranging above-mentioned motor, use requirement can be met, and into
This is low.
Description of the drawings
Fig. 1 is the schematic diagram of the rotor for motor according to this utility model embodiment；
Fig. 2 is the part-structure schematic diagram of the rotor for motor according to this utility model embodiment；
Fig. 3 is the part-structure schematic diagram of the motor according to this utility model embodiment.
Reference：
Rotor 1,
Rotor core 11, axis hole 111, magnet slot 112, magnet isolation tank 113, the first side 1131, the second side 1132, the 3rd side
1133, every magnetic bridge 114, rivet hole 115,
Permanent magnet 12, arc section 121, first straight line section 122, second straight line section 123, the 3rd straightway 124,
Stator 2, stator core 21, rotor hole 211, slot for winding 212, stator tooth 213, winding 22.
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining this utility model, and it is not intended that new to this practicality
The restriction of type.
In description of the present utility model, it is to be understood that term " " center ", " longitudinal direction ", " horizontal ", " length ", " width
Degree ", " thickness ", " on ", D score, " interior ", " outward ", " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", the instruction such as " circumference "
Orientation or position relationship are, based on orientation shown in the drawings or position relationship, to be for only for ease of description this utility model and simplification
Description, rather than indicate or imply that the device or element of indication must be with specific orientation, with specific azimuth configuration and behaviour
Make, therefore it is not intended that to restriction of the present utility model.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or implying relative importance
Or the implicit quantity for indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, such as two
It is individual, three etc., unless otherwise expressly limited specifically.
In this utility model, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, it is for example, it may be fixedly connected, or be detachably connected or integral；Can be
It is mechanically connected, or electrically connects or can communicate each other；Can be joined directly together, it is also possible to by the indirect phase of intermediary
Even, can be connection or the interaction relationship of two elements of two element internals, unless otherwise clearly restriction.For this
For the those of ordinary skill in field, concrete meaning of the above-mentioned term in this utility model can be understood as the case may be.
The rotor 1 for motor according to this utility model embodiment is described below with reference to Fig. 1-Fig. 3.
As shown in Figure 1-Figure 3, the rotor 1 for motor according to this utility model first aspect embodiment, including：Rotor
Iron core 11 and multiple permanent magnets 12.
Specifically, the cross section of rotor core 11 is circle, and rotor core 11 is provided with axis hole 111 and around axis hole
111 circumferentially spaced multiple magnet slots 112, multiple magnet slots 112 are centrosymmetric around the circumference of the axis hole 111
Formula is distributed.Thus, it is possible to make the structure of rotor 1 well-balanced, reasonable, it is easy to 1 machine-shaping of rotor.The two ends of each magnet slot 112
The magnet isolation tank 113 for communicating therewith is equipped with, is limited between two neighboring magnet isolation tank 113 every magnetic bridge 114.It is above-mentioned by arranging
Magnet isolation tank 113, it is possible to reduce leakage field.
Multiple permanent magnets 12 (such as four permanent magnets 12) are located in corresponding magnet slot 112, the shape of magnet slot 112 with
The mating shapes of permanent magnet 12, it is possible thereby to be such that permanent magnet 12 stably coordinates in magnet slot 112.Alternatively, permanent magnet
12 can be ferrum oxygen permanent magnet, and permanent magnet 12 can be generally formed into tile shape.Using the permanent magnet 12 of tile shape, permanent magnet 12
Simple structure, utilization rate is high.
Permanent magnet 12 includes the first surface for diametrically arranging and second surface along rotor core 11, and second surface is adjacent
Paraxial hole 111, projection of the first surface on basal plane include arc section 121, and projection of the second surface on basal plane is by multistage (example
Such as two sections, three sections, four sections etc.) straightway is sequentially connected composition, has angle between adjacent straightway, and wherein basal plane is and rotor
The plane of 1 central axis upright.Thus, it is arranged to by multistage by the projection by the second surface of permanent magnet 12 on basal plane
Straightway is sequentially connected composition, while rotor 1 can be made to meet miniaturization setting requirements, it is ensured that permanent magnet 12 and axis hole
Safe distance between 111, and volume increase, the consumption increase of permanent magnet 12, the magnetic flux that can be provided are improved, so that
Obtain motor performance to improve.Compared with prior art using rotor diameter is increased, it is possible to reduce the consumption of rotor core 11, section
Cost-saving.
It is understood that when the angle between two neighboring straightway is obtuse angle, permanent magnet 12 can be better ensured that
While with safe distance between axis hole 111, the volume of permanent magnet 12 can be more significantly increased, such that it is able to improve electricity
The performance of machine.
Alternatively, rotor core 11 can be monoblock iron core, and rotor core 11 can also be formed by multiple rotor sheets are stacked.
When rotor core 11 is formed by multiple rotor sheets are stacked, rotor core 11 is provided with rivet hole 115, and multiple rotor sheets pass through riveting
Nail forms an entirety to constitute rotor core 11 through rivet hole 115.Wherein, rivet hole 115 can be located at two neighboring magnetic
Arrange between body groove 112 and adjacent to axis hole 111.Thus, it is possible to make full use of the construction featuress of rotor core 11, reduce rotor ferrum
The size of core 11 so that rotor core 11 it is rational in infrastructure, compact.
According to the rotor 1 for motor of this utility model embodiment, by by the of the neighbouring axis hole 111 of permanent magnet 12
The projection on two surfaces is arranged to be sequentially connected by multistage straightway and constitutes, and is thus ensureing between permanent magnet 12 and axis hole 111
The radial thickness of permanent magnet 12 while safe distance, can be increased, such that it is able to increase the volume of permanent magnet 12, permanent magnetism is improved
The magnetic flux of body 12, and there is miniaturization, low cost.
The rotor 1 for motor according to this utility model embodiment is described in detail referring to Fig. 1-Fig. 3.
Reference picture 1- Fig. 3, rotor 1 include rotor core 11 and multiple permanent magnets 12, and the cross section of rotor core 11 is circle
Shape, rotor core 11 are provided with axis hole 111 and the circumferentially spaced multiple magnet slots 112 around axis hole 111, multiple magnetic
Body groove 112 around the axis hole 111 circumference be centrosymmetric formula distribution.The two ends of each magnet slot 112 are equipped with and are connected with which
Logical magnet isolation tank 113, limits between two neighboring magnet isolation tank 113 every magnetic bridge 114.Multiple permanent magnets 12 are located at corresponding magnet
In groove 112, the shape of magnet slot 112 and the mating shapes of permanent magnet 12, permanent magnet 12 are generally formed into tile shape.
Permanent magnet 12 includes the first surface for diametrically arranging and second surface along rotor core 11, and second surface is adjacent
Paraxial hole 111, projection of the first surface on basal plane include arc section 121, and projection of the second surface on basal plane is straight by multistage
Line segment is sequentially connected composition, has angle between adjacent straightway, and wherein basal plane is flat with the central axis upright of rotor 1
Face.Thus, it is arranged to be sequentially connected by multistage straightway by the projection by the second surface of permanent magnet 12 on basal plane and constitutes,
While rotor 1 can be made to meet miniaturization setting requirements, it is ensured that the safe distance between permanent magnet 12 and axis hole 111,
And the volume increase of permanent magnet 12, consumption increase, and the magnetic flux that can be provided is improved, so that motor performance is improved, and
The consumption of rotor core 11 can be reduced, it is cost-effective.
In some specific embodiments of the present utility model, see figures.1.and.2, the second surface of permanent magnet 12 is in basal plane
On projection be sequentially connected by three sections of straightways and constitute, and three sections of straightways are symmetrical with regard to corresponding pole center line.Thus, may be used
So that the structure of rotor 1 is well-balanced, reasonable, and it is easily processed into type in technique, while rotor core 11 can also be made full use of
Overall dimensions, increase the body of permanent magnet 12 while safe distance between permanent magnet 12 and axis hole 111 is ensured as much as possible
Product.It should be noted that the center of circle in " the pole center line " center of circle and arc section 121 for the axis hole 111 of rotor core 11
Line.
For example, in the example of fig. 1 and 2, projection of the second surface of permanent magnet 12 on basal plane is by three sections of straightways
Composition is sequentially connected, three sections of straightways are symmetrical with regard to corresponding pole center line, and the angle between two neighboring straightway is
Obtuse angle.Straightway in three straightways positioned at middle part is the first straight line section 122 and straightway positioned at both sides is second straight
Line segment 123 and the 3rd straightway 124, the i.e. two ends of first straight line section 122 respectively with second straight line section 123, the 3rd straightway 124
It is connected.Length and length more than threeth straightway 124 of the length of first straight line section 122 more than second straight line section 123.By
This, can cause the simple structure of permanent magnet 12, be easy to machine-shaping, and can ensure that between permanent magnet 12 and axis hole 111
Safe distance.
It is sequentially connected by above-mentioned three sections of straightways by the projection by the second surface of permanent magnet 12 on basal plane and is constituted, can
To ensure the distance between permanent magnet 12 and axis hole 111,1 Miniaturization Design of rotor is realized.With the permanent magnet of traditional tile shape
Compare, exist in the certain situation of the size of rotor core 11, the thickness on 12 both sides of permanent magnet substantially increases, the consumption of permanent magnet 12
12.2% can be increased, the efficiency of motor and anti-demagnetization capability are improved.
Alternatively, with reference to Fig. 2, the mode of magnetization of permanent magnet 12 can be diametrical magnetization (the diametrical magnetization side in reference Fig. 2
To r1, r2), it is possible thereby to improve the magnetic density of permanent magnet 12, the anti-demagnetization capability of motor is further improved, such that it is able to carry
The efficiency and performance of high motor.The center of circle of the arc section 121 of the projection of first surface is the radial direction center of circle.That is the radial direction of permanent magnet 12
The direction of magnetization is consistent with the radial direction of arc section 121, and now the center of circle of arc section 121 is heavy with the center of circle in diametrical magnetization direction
Close.As a result, rotor 1 has good magnet accumulating cap, 1 leakage field of rotor is reduced, improve electric efficiency.
In some embodiments of the present utility model, the smallest radial of permanent magnet 12 is less than every the Breadth Maximum of magnetic bridge 114
Thickness.Thus, it is possible to reduce leakage field, the performance of motor is improved.Wherein, the Breadth Maximum every magnetic bridge 114 is referred to and is existed every magnetic bridge 114
Full-size in the circumference of rotor core 11.
Further, with reference to Fig. 2, magnet isolation tank 113 includes：First side 1131 neighbouring with first surface, and second surface
1133 when free end and second of neighbouring second while 1132, for during connection first 1131 are in the 3rd of 1132 free end,
First while 1131 with the 3rd while 1133 be vertically connected, second while 1132 with the 3rd while 1133 be vertically connected.As a result, magnet isolation tank
It is 113 simple structure, easy to process.
In some embodiments of the present utility model, rotor core 11 is formed by multiple rotor sheets are stacked, magnet slot 112 with
Thickness of the minimum range between the outer edge of the rotor core 11 more than rotor sheet.Thus, it is possible to reduce leakage field, electricity is improved
The performance of machine.
According to the motor of this utility model second aspect embodiment, including stator 2 and according to this utility model above-mentioned first
The rotor 1 for motor of aspect embodiment.Rotor hole 211 is formed with stator 2, and rotor 1 is located in rotor hole 211.Wherein,
Stator 2 includes stator core 21 and winding 22, and the cross section of stator core 21 is substantially rectangular in cross section, and stator core 21 is provided with rotor
Hole 211 and the multiple slot for windings 212 arranged around rotor hole 211, limit stator tooth 213 between two neighboring slot for winding 212,
Around being located on stator tooth 213, rotor 1 is located in rotor hole 211 winding 22.Alternatively, coordinate can be with for the rotor slot number of motor
It is that six grooves are quadrupole, certain motor can also coordinate for other arbitrary slot numbers.
By arranging above-mentioned rotor 1, anti-demagnetization capability and the work efficiency of motor can be improved, the little of motor is met
Type, efficient requirement, it is possible to reduces cost.Alternatively, motor can be permagnetic synchronous motor.
According to this utility model embodiment motor, by arranging above-mentioned rotor 1, miniaturization, efficient can be met
Use requirement, and low cost.Rotor hole 211 of the bent axle of compressor through motor, it is possible thereby to pass through motor-driven compressor
Work.Alternatively, above-mentioned compressor can be used in refrigerator.
According to the compressor of this utility model third aspect embodiment, including：According to the above-mentioned second aspect of this utility model
The motor of embodiment.
According to the compressor of this utility model embodiment, by arranging above-mentioned motor, use requirement can be met, and into
This is low.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
Example ", or the description of " some examples " etc. mean specific features with reference to the embodiment or example description, structure, material or spy
Point is contained at least one embodiment of the present utility model or example.In this manual, the schematic table to above-mentioned term
State.And, the specific features of description, structure, material or feature can be with
Combined in any one or more embodiments or example in an appropriate manner.Additionally, in the case of not conflicting, this area
Technical staff the feature of the different embodiments or example described in this specification and different embodiment or example can be entered
Row is combined and is combined.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to restriction of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, be changed, being replaced and modification.
Claims (10)
1. a kind of rotor for motor, it is characterised in that include：
Rotor core, the cross section of the rotor core is circular, and the rotor core is provided with axis hole and around the axle
Circumferentially spaced multiple magnet slots in hole, the two ends of each magnet slot are equipped with the magnet isolation tank for communicating therewith, adjacent
Limit every magnetic bridge between two magnet isolation tanks；
Multiple permanent magnets, multiple permanent magnets are located in the corresponding magnet slot, the shape of the magnet slot with it is described forever
The mating shapes of magnet, the permanent magnet include the first surface for diametrically arranging and the second table along the rotor core
Face, the second surface include arc section, the second surface adjacent to the axis hole, projection of the first surface on basal plane
Projection on basal plane is sequentially connected by multistage straightway and is constituted, and has angle, wherein described base between the adjacent straightway
Face is the plane with the central axis upright of the rotor.
2. the rotor for motor according to claim 1, it is characterised in that projection of the second surface on basal plane
It is sequentially connected by three sections of straightways and is constituted, and three sections of straightways is symmetrical with regard to corresponding pole center line.
3. the rotor for motor according to claim 2, it is characterised in that positioned at middle part in three sections of straightways
Length of the length of straightway more than the straightway for being located at both sides in three sections of straightways.
4. the rotor for motor according to claim 1, it is characterised in that the mode of magnetization of the permanent magnet is for radially
Magnetization, the center of circle of the arc section is the radial direction center of circle.
5. the rotor for motor according to claim 1, it is characterised in that the rotor core is folded by multiple rotor sheets
Put and form, thickness of the minimum range between the outer edge of the magnet slot and the rotor core more than the rotor sheet.
6. the rotor for motor according to claim 1, it is characterised in that the Breadth Maximum every magnetic bridge is less than institute
State the smallest radial thickness of permanent magnet.
7. the rotor for motor according to claim 1, it is characterised in that the rotor core is provided with rivet hole,
The rivet hole is located between the two neighboring magnet slot and the neighbouring axis hole is arranged.
8. the rotor for motor according to claim 1, it is characterised in that the magnet isolation tank includes：
First side neighbouring with the first surface；
Second side neighbouring with the second surface；
For connect described first while free end and free end when described second the 3rd side, first side and described
Three sides are vertically connected, and described second is vertically connected while with the described 3rd.
9. a kind of motor, it is characterised in that include：
Stator, is formed with rotor hole on the stator；
The rotor for motor according to any one of claim 1-8, the rotor are located in the rotor hole.
10. a kind of compressor, it is characterised in that include：Motor according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038273.6U CN206041678U (en) | 2016-09-05 | 2016-09-05 | A rotor, motor and compressor for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621038273.6U CN206041678U (en) | 2016-09-05 | 2016-09-05 | A rotor, motor and compressor for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206041678U true CN206041678U (en) | 2017-03-22 |
Family
ID=58298518
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621038273.6U Active CN206041678U (en) | 2016-09-05 | 2016-09-05 | A rotor, motor and compressor for motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN206041678U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953443A (en) * | 2017-03-28 | 2017-07-14 | 安徽美芝制冷设备有限公司 | Rotor, motor and compressor for motor |
| CN107181341A (en) * | 2017-06-30 | 2017-09-19 | 广东美芝制冷设备有限公司 | Compressor magneto and the compressor with it |
| WO2018176942A1 (en) * | 2017-03-28 | 2018-10-04 | 安徽美芝制冷设备有限公司 | Rotor used for electric motor, electric motor and compressor |
| CN110571955A (en) * | 2019-09-27 | 2019-12-13 | 珠海格力电器股份有限公司 | Motor rotor and synchronous reluctance motor |
| CN111327136A (en) * | 2018-12-14 | 2020-06-23 | Tdk株式会社 | Permanent magnet and rotating electric machine |
| CN113162270A (en) * | 2020-12-30 | 2021-07-23 | 宁波安信数控技术有限公司 | Rotor structure of built-in permanent magnet motor |
-
2016
- 2016-09-05 CN CN201621038273.6U patent/CN206041678U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106953443A (en) * | 2017-03-28 | 2017-07-14 | 安徽美芝制冷设备有限公司 | Rotor, motor and compressor for motor |
| WO2018176942A1 (en) * | 2017-03-28 | 2018-10-04 | 安徽美芝制冷设备有限公司 | Rotor used for electric motor, electric motor and compressor |
| US11114908B2 (en) * | 2017-03-28 | 2021-09-07 | Anhui Meizhi Compressor Co., Ltd. | Rotor for electric motor, electric motor and compressor |
| CN106953443B (en) * | 2017-03-28 | 2023-11-28 | 安徽美芝制冷设备有限公司 | Rotor for motor, motor and compressor |
| CN107181341A (en) * | 2017-06-30 | 2017-09-19 | 广东美芝制冷设备有限公司 | Compressor magneto and the compressor with it |
| CN107181341B (en) * | 2017-06-30 | 2023-05-16 | 广东美芝制冷设备有限公司 | Permanent magnet motor for compressor and compressor with same |
| CN111327136A (en) * | 2018-12-14 | 2020-06-23 | Tdk株式会社 | Permanent magnet and rotating electric machine |
| CN111327136B (en) * | 2018-12-14 | 2022-10-14 | Tdk株式会社 | Permanent magnet and rotating electrical machine |
| CN110571955A (en) * | 2019-09-27 | 2019-12-13 | 珠海格力电器股份有限公司 | Motor rotor and synchronous reluctance motor |
| CN113162270A (en) * | 2020-12-30 | 2021-07-23 | 宁波安信数控技术有限公司 | Rotor structure of built-in permanent magnet motor |
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