CN107394920A - Rotor and motor - Google Patents
Rotor and motor Download PDFInfo
- Publication number
- CN107394920A CN107394920A CN201710650296.5A CN201710650296A CN107394920A CN 107394920 A CN107394920 A CN 107394920A CN 201710650296 A CN201710650296 A CN 201710650296A CN 107394920 A CN107394920 A CN 107394920A
- Authority
- CN
- China
- Prior art keywords
- magnet steel
- rotor
- rotor core
- magnetic
- steel
- 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
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 167
- 239000010959 steel Substances 0.000 claims abstract description 167
- 239000000463 material Substances 0.000 claims description 19
- 229910000976 Electrical steel Inorganic materials 0.000 claims description 8
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 8
- 229910000859 α-Fe Inorganic materials 0.000 claims description 8
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 claims description 7
- 239000004593 Epoxy Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 4
- 239000000565 sealant Substances 0.000 claims description 4
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims 1
- 238000004080 punching Methods 0.000 abstract description 8
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000011218 segmentation Effects 0.000 description 5
- 230000005611 electricity Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920006335 epoxy glue Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000004922 lacquer Substances 0.000 description 1
- 230000003137 locomotive effect Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/27—Rotor cores with permanent magnets
-
- 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
- H02K1/28—Means for mounting or fastening rotating magnetic parts on to, or to, the rotor structures
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The invention provides a kind of rotor and motor.The rotor includes rotor core and is embedded the magnetic steel component in rotor core, magnetic steel component includes multiple magnet steel groups, magnet steel group includes two pieces of cross sections and is symmetricly set on the both sides of big magnet steel in the curved big magnet steel of the small magnet steel of in-line and one piece of cross section, two blocks of small magnet steel.Because the magnetic steel component in the present invention is made up of symmetrically arranged two pieces of cross sections in the curved big magnet steel of small magnet steel and one piece of cross section of in-line, for rotor of the prior art, when the high rotating speed operation of rotor, the punching for forming rotor core is subjected to centrifugal force reduction caused by high rotating speed, reduce maximum stress of the punching for forming rotor core caused by high speed rotates, the structural strength of such rotor is further increased, adds the reliability of rotor high-speed cruising.
Description
Technical field
The present invention relates to technical field of driving, in particular to a kind of rotor and motor.
Background technology
Patent document 201110427613.X discloses a kind of built-in rotor structure of permanent-magnet motor, built-in type permanent-magnet electricity
Machine rotor is per pole using the yi word pattern magnet steel of segmentation, and rotor structure is simple, by the way that same pole magnet steel is divided into three sections and three sections of phases
Deng, a kind of structural strength (magnet steel segmentation improve magnet steel intensity be conventional method) of rotor is improved to a certain extent, but
It is for high-power interior permanent magnet machines, when further improving rotating speed, for example rotor speed is more than after 10000r/min,
The silicon steel sheet of this kind of structure be also difficult to bear high rotating speed caused by centrifugal force, ultimately result in rotor fails.
Patent document 201110073137.6 discloses the built-in rotor structure of permanent-magnet motor of another kind, and this is built-in forever
Magneto rotor also uses the word magnet steel of segmented one per pole, and compared with patent document 201110427613.X, it is per pole magnet steel point
The yi word pattern magnet steel width of section differs in size, and it is to improve the waveform of air-gap field to be divided into the purpose that width does not wait magnet steel, makes it just
String, secondly magnet steel segmentation, improves the intensity of magnet steel to a certain extent, with patent document 201110427613.X, still
This kind of structure magnet steel width size is modulated by sineization, and generally more per the segmentation of pole magnet steel, leakage field is serious, magnetic steel material utilization rate
Low, rotor craft type is poor, simultaneously because complex rotor structure, is reducing the reliability of total to a certain degree again.
In addition, also there are a kind of simple built-in rotor structure of permanent-magnet motor of structure, the built-in permanent magnet motor rotor
The word magnet steel of segmented one is also used per pole, and rotor strength is higher.Compared with patent document 201110427613.X, it is per pole magnetic
The yi word pattern magnet steel width of steel segmentation differs in size, broad in the middle, small in ends；Compared with patent document 201110073137.6, often
Pole does not pursue the sineization of air gap flux density, rotor structure is effectively simplified only with three sections of yi word pattern magnet steel, rotor work
Skill greatly improves.
The content of the invention
It is a primary object of the present invention to provide a kind of rotor and motor, to solve rotor of the prior art
The low problem of reliability.
To achieve these goals, according to an aspect of the invention, there is provided a kind of rotor, including rotor core
Be embedded the magnetic steel component in rotor core, magnetic steel component includes multiple magnet steel groups, and it is in one that magnet steel group, which includes two pieces of cross sections,
The curved big magnet steel of the small magnet steel of font and one piece of cross section, two blocks of small magnet steel are symmetricly set on the both sides of big magnet steel.
Further, the cross section of big magnet steel is in circular arc.
Further, multiple magnet steel grooves are provided with rotor core, big magnet steel and small magnet steel are arranged on magnetic correspondingly
In steel tank.
Further, big magnet steel is 1.1~1.5 times of small magnet steel along the width in the circumference of rotor core.
Further, thickness radially of the big magnet steel along rotor core is 1.0~1.1 times of small magnet steel.
Further, the thickness between the outward flange of big magnet steel and the outward flange of rotor core is 8mm~12mm.
Further, it is provided with magnetic conduction bridge between two neighboring magnet steel groove, magnetic conduction bridge is along the width in the circumference of rotor core
Spend for 0.5mm~3mm.
Further, it is provided with magnetic bridge between magnet steel groove and the outward flange of rotor core, magnetic bridge is along rotor core
Width radially is 1mm~2mm.
Further, when rotor core axis and plane-parallel, small magnet steel and between the straight line of horizontal plane
Angle is 60 °~70 °.
Further, rotor core is formed using silicon steel sheet compacting.
Further, between the outward flange of big magnet steel and magnet steel groove, it is respectively provided between the outward flange of small magnet steel and magnet steel groove
Width is 0.03mm~0.1mm gap, and nonmetallic materials are filled with gap.
Further, nonmetallic materials are epoxy pouring sealant or magnet steel glue or rubber.
Further, big magnet steel and small magnet steel are made using neodymium iron boron or Ferrite Material.
Further, small magnet steel is made using Ferrite Material, and big magnet steel is made using neodymium iron boron.
Further, rotor also includes rotating shaft, and rotor core is set in rotating shaft, and rotating shaft is magnetic conductive axis or non-led
Magnetic axis.
Further, the center of circle of the arc-shaped cross-section of big magnet steel and the axis coinciding of rotor core or misaligned.
According to another aspect of the present invention, there is provided a kind of motor, including rotor, rotor are above-mentioned motor
Rotor.
Apply the technical scheme of the present invention, because the magnetic steel component in the present invention is to be in by symmetrically arranged two pieces of cross sections
The small magnet steel of in-line and one piece of cross section it is curved big magnet steel composition, relative to rotor of the prior art
Speech, when the high rotating speed operation of rotor, the punching for forming rotor core is subjected to centrifugal force reduction caused by high rotating speed, drop
Maximum stress of the low punching for forming rotor core caused by high speed rotates, further increase the knot of such rotor
Structure intensity, add the reliability of rotor high-speed cruising.
Brief description of the drawings
The Figure of description for forming the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 diagrammatically illustrates 1/4 front view of the rotor of the first embodiment of the present invention；And
Fig. 2 diagrammatically illustrates 1/4 front view of the rotor of the second embodiment of the present invention.
Wherein, above-mentioned accompanying drawing marks including the following drawings：
10th, rotor core；11st, magnet steel groove；20th, rotating shaft；30th, big magnet steel；40th, small magnet steel；50th, magnetic conduction bridge；60th, every magnetic
Bridge；70th, gap.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
It should be noted that term used herein above is merely to describe embodiment, 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 this manual using term "comprising" and/or " bag
Include " when, it indicates existing characteristics, step, operation, device, component and/or combinations thereof.
It should be noted that term " first " in the description and claims of this application and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that presently filed embodiment described herein for example can be with except herein
Order beyond those of diagram or description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that
Be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, system, product or equipment not
Be necessarily limited to those steps or the unit clearly listed, but may include not list clearly or for these processes, side
The intrinsic other steps of method, product or equipment or unit.
For the ease of description, space relative terms can be used herein, as " ... on ", " ... 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 appreciated that space relative terms are intended to comprising the orientation except device described in figure
Outside different azimuth in use or operation.For example, if the device in accompanying drawing is squeezed, it is described as " in other devices
It will be positioned as " under other devices or construction after the device of part or construction top " or " on other devices or construction "
Side " or " under other devices or construction ".Thus, exemplary term " ... top " can include " ... top " and
" in ... lower section " two kinds of orientation.The device can also other different modes positioning (being rotated by 90 ° or in other orientation), and
And respective explanations are made to the relative description in space used herein above.
It is shown in Figure 1, according to the first embodiment of the present invention, there is provided a kind of rotor, the electricity in the present embodiment
Machine rotor includes rotor core 10 and the magnetic steel component being embedded in rotor core 10, and the magnetic steel component includes multiple magnet steel groups,
Magnet steel group includes two pieces of cross sections in the curved big magnet steel 30 of the small magnet steel 40 of in-line and one piece of cross section, two blocks of small magnetic
Steel 40 is symmetricly set on the both sides of big magnet steel 30.
Due to the magnetic steel component in the present embodiment be by symmetrically arranged two pieces of cross sections in in-line small magnet steel 40 with
And the curved big magnet steel 30 in one piece of cross section forms, for rotor of the prior art, when rotor height
When rotating speed is run, the punching for forming rotor core is subjected to centrifugal force reduction caused by high rotating speed, reduces and forms rotor core
Maximum stress of 10 punching caused by high speed rotates, further increase the structural strength of such rotor, increase
The reliability of rotor high-speed cruising.
Found by design experiment, using the rotor punching of the rotor of the present embodiment, the maximum suffered by punching can be made
Equivalent stress reduces by 30~50MPa, substantially increases the operational reliability of rotor.
It should be noted that the big magnet steel 30 and small magnet steel 40 in the present embodiment are two structures comparatively, volume
It is big for big magnet steel 30, small volume for small magnet steel 40.
Preferably, the cross section of the big magnet steel 30 in the present embodiment is in circular arc, simple in construction, is easy to implement.
For the ease of mounting magnetic steel component, multiple magnet steel grooves 11, big magnetic are provided with the rotor core 10 in the present embodiment
Steel 30 and small magnet steel 40 are arranged in magnet steel groove 11 correspondingly.Magnetic steel component in the present embodiment is four, four magnet steel
Component is sequentially arranged along the circumference of rotor core 10 respectively.
The width Wm in circumference of the big magnet steel 30 along rotor core 10 in the present embodiment is small magnet steel 40 along rotor core
1.1~1.5 times of width Hm in 10 circumference, such as 1.2 times.
Big thickness Ws radially of the magnet steel 30 along rotor core 10 be small magnet steel 40 along rotor core 10 radially
1.0~1.1 times of thickness Hs.Wherein, the difference that big magnet steel 30 is internal diameter Ri and external diameter Ro along the thickness Ws of rotor core radially.
The thickness of the big outward flange of magnet steel 30 to the outside of rotor core 10 is 8mm~12mm, i.e., R-Ro span is 8
~12mm.Such as 10mm.
Between the outward flange of big magnet steel 30 and magnet steel groove 11, width is respectively provided between the outward flange of small magnet steel 40 and magnet steel groove 11
The gap 70 for 0.03mm~0.1mm is spent, nonmetallic materials is filled with gap 70, is easy to consolidate big magnet steel 30 and small magnet steel 40
It is scheduled in magnet steel groove 11.Preferably, nonmetallic materials are epoxy pouring sealant or magnet steel glue or rubber in the present embodiment.
It is provided with magnetic conduction bridge 50 between two neighboring magnet steel groove 11, the width in circumference of the magnetic conduction bridge 50 along rotor core 10
For 0.5mm~3mm, such as 1mm, 2mm etc..
It is provided with magnetic bridge 60 between the outward flange of magnet steel groove 11 and rotor core 10, magnetic bridge 60 is along rotor core 10
Width radially is 1mm~2mm, such as 1.5mm.
Referring again to shown in Fig. 1, when the axis of rotor core 10 is with plane-parallel, small magnet steel 40 with perpendicular to horizontal plane
Included angle A between straight line is 60 °~70 °, such as 65 °.
Preferably, the rotor core 10 in the present embodiment is formed using silicon steel sheet compacting.
In an embodiment of the present invention, big magnet steel 30 and small magnet steel 40 are made using neodymium iron boron or Ferrite Material
Form.
In another embodiment of the invention, small magnet steel 40 is made using Ferrite Material, and big magnet steel 30 uses
Neodymium iron boron is made.
Preferably, the rotor in the present embodiment also includes rotating shaft 20, and rotor core 10 is set in rotating shaft 20, rotating shaft
20 be magnetic conductive axis or non-magnetic axle.
As shown in figure 1, the center of circle of circular section of the big magnet steel 30 in the present embodiment weighs with the axle center of rotor core 10
Close.
During design, the position of magnet steel 30 broad in the middle is arranged first, its own is symmetrical on quadrant symmetrical center line,
Its external diameter Ro is 8~12mm apart from the external diameter R of rotor core 10 distances, i.e., R-Ro span is 8~12mm, and its width Wm takes
It is that (1.1~1.5) Hm, Ws thickness (Ro-Ri) span is (1.0~1.1) Hs to be worth scope；
Then set both sides small magnet steel 40, this two pieces small size of magnet steel 40 is the same, and on quadrant it is symmetrical in
Heart line is symmetrical, and the angle of itself and vertical curve is designated as A, and A spans are 60 °~70 °.
The width of magnetic bridge 60 typically may be configured as 0.5~3mm, the typically settable 1~2mm of the width of magnetic conduction bridge 50, ensure
It is appropriate to increase magnetic bridge 60 and the width of magnetic conduction bridge 50 in the case of magnetism isolating effect, rotor strength can be increased, improve rotor operation
Maximum speed.
For the motor of high-power higher rotation speed, silicon steel material is generally appropriate from high strength silicon steel sheet；For small
The motor of power higher rotation speed generally can meet service requirement from the silicon steel sheet of regular tenacity.
Rotating shaft 20 can be magnetic conductive axis, or non-magnetic axle；
Big magnet steel 30 and small magnet steel 40 can be neodymium iron boron or Ferrite Material；Or big magnet steel 30 is NdFeB material,
And narrowing toward each end magnet steel 40 is Ferrite Material.
Above-mentioned small magnet steel 40 and big magnet steel 30 are fully enclosed in magnet steel groove 11, magnet steel and magnet steel groove 11 be unilateral 0.03~
0.1mm fit-up gap 70, can be by epoxy pouring sealant or magnet steel glue or rubber between magnet steel and silicon steel sheet in assembling process
Gap carry out embedding, solidify magnet steel, magnet steel loosens when preventing high-speed cruising, influences rotor dynamic balancing etc..In addition, magnet steel
It can be solidified by rotor dipping lacquer.
After the magnet steel groove 11 of the both sides of rotor core 10 loads magnet steel, still there is part not to be full of by magnet steel, the part is claimed
Be air groove, or air magnet isolation tank is mainly used to reduce magnet steel leakage field, improves magnet steel utilization rate.The slowspeed machine air groove
Material can be typically not filled with, but for high-speed electric expreess locomotive, it usually needs non magnetic light material, such as epoxy glue, rubber etc. are inserted,
For fixing magnet steel.
As shown in Fig. 2 according to the second embodiment of the present invention, there is provided a kind of rotor, the motor in the present embodiment
Rotor and first embodiment it is basically identical, except that, the big magnet steel 30 in the present embodiment is eccentric magnet steel, big magnet steel 30
Circular section the center of circle and the axle center of rotor core 10 it is misaligned, as offset=0, exactly the present invention in it is optimal
Embodiment, i.e. first embodiment.
According to another aspect of the present invention, there is provided a kind of motor, the motor refer in particular to built-in high-speed permanent magnetic electricity
Machine, the motor includes rotor, and rotor is the rotor in above-described embodiment.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (17)
1. a kind of rotor, it is characterised in that including rotor core (10) and the magnetic being embedded in the rotor core (10)
Steel component, the magnetic steel component include multiple magnet steel groups, and the magnet steel group includes the small magnet steel that two pieces of cross sections are in in-line
(40) and the curved big magnet steel (30) in one piece of cross section, two pieces of small magnet steel (40) are symmetricly set on the big magnet steel
(30) both sides.
2. rotor according to claim 1, it is characterised in that the cross section of the big magnet steel (30) is in circular arc.
3. rotor according to claim 1, it is characterised in that be provided with multiple magnet steel on the rotor core (10)
Groove (11), the big magnet steel (30) and the small magnet steel (40) are arranged in the magnet steel groove (11) correspondingly.
4. rotor according to claim 1, it is characterised in that the big magnet steel (30) is along the rotor core (10)
Circumference on width be 1.1~1.5 times of the small magnet steel (40).
5. rotor according to claim 1, it is characterised in that the big magnet steel (30) is along the rotor core (10)
Thickness radially be 1.0~1.1 times of the small magnet steel (40).
6. rotor according to claim 1, it is characterised in that the outward flange of the big magnet steel (30) and the rotor
Thickness between the outward flange of iron core (10) is 8mm~12mm.
7. rotor according to claim 3, it is characterised in that be provided between the two neighboring magnet steel groove (11)
Magnetic conduction bridge (50), the width in circumference of the magnetic conduction bridge (50) along the rotor core (10) is 0.5mm~3mm.
8. rotor according to claim 3, it is characterised in that the magnet steel groove (11) and the rotor core (10)
Outward flange between be provided with magnetic bridge (60), width radially of the magnetic bridge (60) along the rotor core (10) is
1mm~2mm.
9. rotor according to claim 1, it is characterised in that rotor core (10) axis and plane-parallel
When, the small magnet steel (40) and the angle between the straight line of horizontal plane are 60 °~70 °.
10. rotor according to claim 1, it is characterised in that the rotor core (10) is suppressed using silicon steel sheet
Form.
11. rotor according to claim 3, it is characterised in that the outward flange of the big magnet steel (30) and the magnetic
Between steel tank (11), be respectively provided between the outward flange of the small magnet steel (40) and the magnet steel groove (11) width for 0.03mm~
0.1mm gap (70), the gap (70) is interior to be filled with nonmetallic materials.
12. rotor according to claim 11, it is characterised in that the nonmetallic materials are epoxy pouring sealant or magnetic
Steel glue or rubber.
13. rotor according to claim 1, it is characterised in that the big magnet steel (30) and the small magnet steel (40)
It is made using neodymium iron boron or Ferrite Material.
14. rotor according to claim 1, it is characterised in that the small magnet steel (40) uses Ferrite Material system
Form, the big magnet steel (30) is made using neodymium iron boron.
15. rotor according to claim 1, it is characterised in that the rotor also includes rotating shaft (20), described
Rotor core (10) is set in the rotating shaft (20), and the rotating shaft (20) is magnetic conductive axis or non-magnetic axle.
16. the rotor according to any one of claim 1 to 15, it is characterised in that the arc of the big magnet steel (30)
The center of circle of shape cross section and the axis coinciding or misaligned of the rotor core (10).
17. a kind of motor, including rotor, it is characterised in that the rotor is any one of claim 1 to 16 institute
The rotor stated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650296.5A CN107394920A (en) | 2017-08-01 | 2017-08-01 | Rotor and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710650296.5A CN107394920A (en) | 2017-08-01 | 2017-08-01 | Rotor and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107394920A true CN107394920A (en) | 2017-11-24 |
Family
ID=60343032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710650296.5A Pending CN107394920A (en) | 2017-08-01 | 2017-08-01 | Rotor and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107394920A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736608A (en) * | 2018-07-04 | 2018-11-02 | 中国电子科技集团公司第二十研究所 | The rotor structure and its manufacturing method of Halbach motors |
| CN109149820A (en) * | 2018-11-07 | 2019-01-04 | 珠海格力电器股份有限公司 | Magneto and rotor |
| CN113629917A (en) * | 2021-08-11 | 2021-11-09 | 珠海格力电器股份有限公司 | Rotor and motor with same |
| CN114094740A (en) * | 2020-07-31 | 2022-02-25 | 安徽威灵汽车部件有限公司 | Rotor punching sheet, rotor, motor and vehicle |
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| CN104600890A (en) * | 2014-11-25 | 2015-05-06 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor and electric motor having it |
| CN106469953A (en) * | 2015-08-18 | 2017-03-01 | 珠海格力节能环保制冷技术研究中心有限公司 | A kind of motor and its rotor |
| CN105141058A (en) * | 2015-09-07 | 2015-12-09 | 南车株洲电力机车研究所有限公司 | Permanent magnet synchronous motor rotor and permanent magnet synchronous motor |
| CN105591478A (en) * | 2016-03-10 | 2016-05-18 | 重庆智仁发电设备有限责任公司 | Rotor lamination |
| CN207039321U (en) * | 2017-08-01 | 2018-02-23 | 珠海格力节能环保制冷技术研究中心有限公司 | Rotor and motor |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108736608A (en) * | 2018-07-04 | 2018-11-02 | 中国电子科技集团公司第二十研究所 | The rotor structure and its manufacturing method of Halbach motors |
| CN108736608B (en) * | 2018-07-04 | 2024-04-12 | 中国电子科技集团公司第二十一研究所 | Rotor structure of Halbach motor and manufacturing method thereof |
| CN109149820A (en) * | 2018-11-07 | 2019-01-04 | 珠海格力电器股份有限公司 | Magneto and rotor |
| CN114094740A (en) * | 2020-07-31 | 2022-02-25 | 安徽威灵汽车部件有限公司 | Rotor punching sheet, rotor, motor and vehicle |
| CN113629917A (en) * | 2021-08-11 | 2021-11-09 | 珠海格力电器股份有限公司 | Rotor and motor with same |
| CN113629917B (en) * | 2021-08-11 | 2023-02-24 | 珠海格力电器股份有限公司 | Rotor and motor with same |
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Application publication date: 20171124 |