CN106230153B - Rotor core, rotor and self-starting permanent magnet synchronous motor - Google Patents
Rotor core, rotor and self-starting permanent magnet synchronous motor Download PDFInfo
- Publication number
- CN106230153B CN106230153B CN201610850902.3A CN201610850902A CN106230153B CN 106230153 B CN106230153 B CN 106230153B CN 201610850902 A CN201610850902 A CN 201610850902A CN 106230153 B CN106230153 B CN 106230153B
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- Prior art keywords
- rotor core
- permanent magnet
- cage grooves
- rotor
- self
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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
- H02K1/2706—Inner rotors
- H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
- H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
-
- 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
- H02K21/46—Motors having additional short-circuited winding for starting as an asynchronous motor
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
- H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
Abstract
The invention discloses a kind of rotor core, rotor and self-starting permanent magnet synchronous motors, the rotor core is equipped with shaft hole and circumferentially spaced multiple permanent magnet troughs along the rotor core, the peripheral surface of the rotor core is equipped with circumferentially spaced multiple cage grooves along the rotor core, for the multiple permanent magnet trough in the rotor core radially between the shaft hole and the multiple cage grooves, the quantity of the cage grooves is the integral multiple of the quantity of the permanent magnet trough.Rotor core according to the present invention for self-starting permanent magnet synchronous motor has the advantages that air gap harmonic wave is small, starting performance is good, vibration and noise is small.
Description
Technical field
The present invention relates to technical field of motor manufacture, more particularly, to a kind of rotor for self-starting permanent magnet synchronous motor
Iron core, with the rotor core for the rotor of self-starting permanent magnet synchronous motor and the self-starting with the rotor forever
Magnetic-synchro motor.
Background technology
Currently, self-starting permanent magnet synchronous motor majority uses cage-shaped structure, the starting of motor is realized using mouse cage winding, so
And mouse cage winding and magnet steel are all generally evenly distributed on rotor core, and air gap harmonic wave is caused to be not easy to reduce, and influence the starting of motor
The vibration and noise of performance, motor is larger.
Invention content
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention proposes a kind of use
In the rotor core of self-starting permanent magnet synchronous motor, the rotor core for self-starting permanent magnet synchronous motor has air gap humorous
The advantage that wave is small, starting performance is good, vibration and noise is small.
The present invention also propose it is a kind of there is the rotor core for self-starting permanent magnet synchronous motor be used for self-starting
The rotor of permanent magnet synchronous motor.
The present invention also proposes a kind of self-starting permanent-magnet synchronous with the rotor for self-starting permanent magnet synchronous motor
Motor.
The rotor core for self-starting permanent magnet synchronous motor of embodiment according to a first aspect of the present invention, the rotor iron
Core is equipped with shaft hole and circumferentially spaced multiple permanent magnet troughs along the rotor core, the periphery of the rotor core
Face is equipped with circumferentially spaced multiple cage grooves along the rotor core, and the multiple permanent magnet trough is in the rotor iron
Core radially between the shaft hole and the multiple cage grooves, the quantity of the cage grooves is the permanent magnet trough
The integral multiple of quantity.
Rotor core according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor, by by the quantity of cage grooves
It is designed as the integral multiple of the quantity of permanent magnet trough, air gap harmonic wave can be weakened, to which starting performance is good, vibration and noise is small.
In addition, the rotor core according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor also has following add
Technical characteristic：
According to some embodiments of the present invention, multiple permanent magnet troughs are equidistantly set along the circumferential direction of the rotor core
It sets, circumferential direction non-spaced set of multiple cage grooves along the rotor core.
According to some embodiments of the present invention, the multiple cage grooves include multiple face cage grooves and multiple non-face mouse
The quantity of cage slot, the face cage grooves is consistent with the quantity of the permanent magnet trough, multiple face cage grooves and multiple institutes
Permanent magnet trough is stated in the radially opposite one by one respectively of the rotor core, multiple non-face cage grooves are in the rotor iron
It is located in the circumferential direction of core between the adjacent face cage grooves.
Further, in the cross section of the rotor core, the central axis of the face cage grooves passes through described turn
The center of circle of sub- iron core is so that face cage grooves the radially extending along the rotor core, the center of the non-face cage grooves
Axis avoids the center of circle of the rotor core so that radial skew of the non-face cage grooves relative to the rotor core.
Advantageously, the non-face cage grooves are not more than 25 ° relative to the radial angle of inclination of the rotor core.
In some embodiments of the invention, in the cross section of the rotor core, the quantity of the cage grooves is N,
Using a cage grooves as basic point, remaining described cage grooves from the basic point along the circumferential direction labeled slots M successively of the rotor core,
Each in remaining described cage grooves and the central angle alpha of the basic point meet：Wherein
K1 ＜ 0.1, K2 are the quantity of the permanent magnet trough.
According to some embodiments of the present invention, the rotor core is overrided to form by multiple rotor punchings.
Preferably, the rotor punching is silicon steel sheet.
According to some embodiments of the present invention, the permanent magnet trough includes：Straight portion, the straight portion is in the rotor iron
Radially extending along the rotor core in the cross section of core；Curved portion, the curved portion is in the cross section of the rotor core
The interior circumferentially extending along the rotor core, the curved portion are connected with the side of the neighbouring shaft hole in the straight portion,
The side wall in the direction straight portion of the curved portion is equipped with the straight portion in the diametrically opposite of the rotor core
Protrusion.
The rotor for self-starting permanent magnet synchronous motor of embodiment according to a second aspect of the present invention, including：Rotor core,
The rotor core is the rotor core according to first aspect present invention embodiment；Shaft, the shaft are assemblied in described
In shaft hole；Permanent magnet, the permanent magnet are assemblied in the permanent magnet trough；Mouse cage winding, the mouse cage winding are assemblied in institute
It states in cage grooves.
Rotor according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor utilizes rotor iron as described above
Core, air gap harmonic wave is small, and to which starting performance is good, vibration and noise is small.
According to some embodiments of the present invention, the permanent magnet is magnet steel, and the mouse cage winding is alumiaum article.
The self-starting permanent magnet synchronous motor of embodiment according to a third aspect of the present invention, including it is real according to a second aspect of the present invention
Apply the rotor for self-starting permanent magnet synchronous motor described in example.
Self-starting permanent magnet synchronous motor according to the ... of the embodiment of the present invention, using as described above for self-starting permanent-magnet synchronous
The rotor of motor, starting performance is excellent, and vibration and noise when operation is small.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obviously, or practice through the invention is recognized.
Description of the drawings
Fig. 1 is the structural schematic diagram of the rotor core according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor.
Reference numeral：
For the rotor core 10 of self-starting permanent magnet synchronous motor,
Rotor punching 100, shaft hole 110, permanent magnet trough 120, straight portion 121, curved portion 122, protrusion 123, cage grooves
130, face cage grooves 131, non-face cage grooves 132.
Specific implementation mode
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term "center", " transverse direction ", "inner", "outside", " axial direction ", " diameter
To ", the orientation or positional relationship of the instructions such as " circumferential direction " be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of retouching
It states the present invention and simplifies description, do not indicate or imply the indicated device or element must have a particular orientation, with specific
Azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for retouching
Purpose is stated, relative importance is not understood to indicate or imply or implicitly indicates the quantity of indicated technical characteristic.By
This defines " first ", the feature of " second " can explicitly or implicitly include one or more this feature.In this hair
In bright description, unless otherwise indicated, the meaning of " plurality " is two or more.
The rotor for self-starting permanent magnet synchronous motor of embodiment according to a first aspect of the present invention is described below with reference to Fig. 1
Iron core 10, this is used for rotor core 10 of self-starting permanent magnet synchronous motor with air gap harmonic wave is small, starting performance is good, vibrates and makes an uproar
The small advantage of sound.
As shown in Figure 1, the rotor core 10 according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor, rotor iron
Core 10 is equipped with shaft hole 110 and multiple permanent magnet troughs 120, and multiple permanent magnet troughs 120 are set along the circumferentially-spaced of rotor core 10
It sets, the peripheral surface of rotor core 10 is equipped with multiple cage grooves 130, and multiple cage grooves 130 are circumferentially-spaced along rotor core 10
Setting, multiple permanent magnet troughs 120 in rotor core 10 radially between shaft hole 110 and multiple cage grooves 130,
In, the quantity of cage grooves 130 is the integral multiple of the quantity of permanent magnet trough 120, for example, the quantity of cage grooves 130 is 30, permanent magnet
The quantity of slot 120 is 6.
Rotor core 10 according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor, by by cage grooves 130
Quantitative design be permanent magnet trough 120 quantity integral multiple, air gap harmonic wave can be weakened, to starting performance it is good, vibration and
Noise is small.
According to some embodiments of the present invention, as shown in Figure 1, multiple permanent magnet troughs 120 are along the circumferential etc. of rotor core 10
Spacing be arranged, multiple cage grooves 130 along rotor core 10 the non-spaced set of circumferential direction, it is humorous so as to further decrease air gap
Wave.
For example, in the cross section of rotor core 10, the quantity of cage grooves 130 is N, is with a cage grooves 130
Basic point, remaining cage grooves 130 are every in the circumferential direction labeled slots M successively of rotor core 10, remaining cage grooves 130 from the basic point
One cage grooves 130 and the central angle alpha of basic point meet：Wherein K1
＜ 0.1, K2 are the quantity of permanent magnet trough 120.
In some embodiments of the invention, as shown in Figure 1, multiple cage grooves 130 include multiple 131 Hes of face cage grooves
Multiple non-face cage grooves 132, the quantity of face cage grooves 131 is consistent with the quantity of permanent magnet trough 120, multiple face cage grooves
131 is opposite one by one in radially distinguishing for rotor core 10 with multiple permanent magnet troughs 120, and multiple non-face cage grooves 132 are turning
It is located in the circumferential direction of sub- iron core 10 between adjacent face cage grooves 131.The starting performance of motor is more preferable as a result, vibration and
Noise smaller.
Further, as shown in Figure 1, in the cross section of rotor core 10, the central axis of face cage grooves 131 passes through
The center of circle of rotor core 10, so that the radially extending along rotor core 10 of face cage grooves 131, in non-face cage grooves 132
Mandrel line avoids the center of circle of rotor core 10, so that radial skew of the non-face cage grooves 132 relative to rotor core 10, to
Air gap harmonic wave can be weakened.
Advantageously, as shown in Figure 1, non-face cage grooves 132 are little relative to the radial inclination angle beta of rotor core 10
In 25 °, that is, β≤25 °, to ensure good starting performance, smaller vibration and noise.
According to some embodiments of the present invention, as shown in Figure 1, rotor core 10 is overrided to form by multiple rotor punchings 100,
To the eddy-current loss conducive to reduction rotor core 10.Preferably, rotor punching 100 can be silicon steel sheet, to coercivity and
Core loss is small.
According to some embodiments of the present invention, as shown in Figure 1, permanent magnet trough 120 includes straight portion 121 and curved portion 122.
The radially extending along rotor core 10 in the cross section of rotor core 10 of straight portion 121, permanent magnet are assemblied in straight portion 121
It is interior.For example, straight portion 121 is rectangle in the cross section of rotor core 10.Curved portion 122 is in the cross section of rotor core 10
Along the circumferentially extending of rotor core 10, the side of the neighbouring shaft hole 110 in curved portion 122 and straight portion 121 is (that is, straight portion 121
Inside) be connected, the side wall (that is, madial wall of curved portion 122) towards straight portion 121 of curved portion 122 is equipped with protrusion
123, protrusion 123 is with straight portion 121 in the diametrically opposite of rotor core 10.Protrusion 123 can limit permanent magnet and turn as a result,
The position radially of sub- iron core 10, improves the stability of permanent magnet；Curved portion 122 can form magnetic bridge, to reduce leakage
Magnetic.
Below with reference to the accompanying drawings the electric for self-starting permanent-magnet synchronous of a specific embodiment according to the present invention is described in detail
The rotor core 10 of machine is worth understanding, only exemplary illustration described below, and should not be understood as the limit to the present invention
System.
As shown in Figure 1, the rotor core 10 according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor, rotor iron
Core 10 is overrided to form by multiple rotor punchings 100, and rotor punching 100 is silicon steel sheet.
Specifically, rotor punching 100 is equipped with 110,6 permanent magnet troughs 120 of shaft hole and 30 cage grooves 130.6
For permanent magnet trough 120 along the circumferential spaced set of rotor punching 100,30 cage grooves 130 are non-etc. along the circumferential direction of rotor punching 100
Spacing is arranged, and 6 permanent magnet troughs 120 are in rotor punching 100 radially between shaft hole 110 and 30 cage grooves 130.
Each permanent magnet trough 120 includes straight portion 121 and curved portion 122.Radial direction of the straight portion 121 along rotor punching 100
Extend.Along the circumferentially extending of rotor punching 100, curved portion 122 is connected curved portion 122 with the inside in straight portion 121, curved portion
122 madial wall is equipped with protrusion 123, and protrusion 123 is with straight portion 121 in the diametrically opposite of rotor punching 100.
Each cage grooves 130 further penetrate through the outer periphery of rotor punching 100.Wherein, 30 cage grooves 130 include 6
Face cage grooves 131 and 24 non-face cage grooves, 132,6 face cage grooves 131 and 6 permanent magnet troughs 120 are in rotor punching
100 it is radially opposite one by one respectively, be equipped between adjacent face cage grooves 131 in the circumferential direction of rotor punching 100 4 it is non-just
To cage grooves 132.
The central axis of face cage grooves 131 passes through the center of circle of rotor punching 100, so that face cage grooves 131 are along rotor
Punching 100 radially extends, and the central axis of non-face cage grooves 132 avoids the center of circle of rotor punching 100, so that non-face mouse
Radial skew of the cage slot 132 relative to rotor punching 100, non-face cage grooves 132 are inclined relative to the radial of rotor core 10
Rake angle β is not more than 25 °, and two non-faces of 131 both sides of face cage grooves are located in the circumferential direction of rotor punching 100
Cage grooves 132 are tilted towards the face cage grooves 131.
The quantity of cage grooves 130 is N, is basic point with a cage grooves 130, remaining cage grooves 130 is from the basic point along rotor
The circumferential direction of punching 100 labeled slots M successively, each cage grooves 130 and the central angle alpha of basic point in remaining cage grooves 130 are full
Foot：Wherein K1 ＜ 0.1, K2 are the quantity of permanent magnet trough 120.Root
According to the rotor core 10 for self-starting permanent magnet synchronous motor of the embodiment of the present invention, as K1=0.05, K2=6, permanent magnet
Slot 120 and the distributing position of cage grooves 130 are as follows：
Rotor core 10 according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor, by by cage grooves 130
Quantitative design be permanent magnet trough 120 quantity integral multiple, make that permanent magnet trough 120 is uniformly distributed and cage grooves 130 are non-homogeneous
Distribution, and make the radially extending along rotor punching 100 of face cage grooves 131, non-face cage grooves 132 are relative to rotor punching
100 radial skew, thus, it is possible to weaken air gap harmonic wave, to which starting performance is good, vibration and noise is small.
The rotor for self-starting permanent magnet synchronous motor of embodiment according to a second aspect of the present invention, including rotor core,
Shaft, permanent magnet and mouse cage winding.
Specifically, the rotor core is the rotor core 10 according to first aspect present invention embodiment.Shaft
It is assemblied in shaft hole 110.Permanent magnet is assemblied in permanent magnet trough 120.Mouse cage winding is assemblied in cage grooves 130.Preferably,
Permanent magnet can be magnet steel, to the high mechanical strength of permanent magnet；Mouse cage winding can be alumiaum article, to of low cost.
Rotor according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor utilizes rotor core as described above
10, air gap harmonic wave is small, and to which starting performance is good, vibration and noise is small.
Rotor according to the ... of the embodiment of the present invention for self-starting permanent magnet synchronous motor other constitute and operate for
All it is known for those of ordinary skill in the art, is not detailed herein.
The self-starting permanent magnet synchronous motor of embodiment according to a third aspect of the present invention, including it is real according to a second aspect of the present invention
Apply the rotor for self-starting permanent magnet synchronous motor described in example.
Self-starting permanent magnet synchronous motor according to the ... of the embodiment of the present invention, using as described above for self-starting permanent-magnet synchronous
The rotor of motor, starting performance is excellent, and vibration and noise when operation is small.
Other of self-starting permanent magnet synchronous motor according to the ... of the embodiment of the present invention are constituted and are operated common for this field
All it is known for technical staff, is not detailed herein.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " should be done
It broadly understood, can also can be indirectly connected through an intermediary inside two elements for example, it may be being connected directly
Connection.For the ordinary skill in the art, it can understand that above-mentioned term in the present invention specific contains with concrete condition
Justice.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " specific embodiment ", " show
The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example
It is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms differ
Surely identical embodiment or example are referred to.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of rotor core for self-starting permanent magnet synchronous motor, which is characterized in that the rotor core is equipped with shaft
The peripheral surface of hole and circumferentially spaced multiple permanent magnet troughs along the rotor core, the rotor core is equipped with along institute
Circumferentially spaced multiple cage grooves of rotor core are stated, the multiple permanent magnet trough is upper in the radial direction of the rotor core
Between the shaft hole and the multiple cage grooves, the quantity of the cage grooves is the integer of the quantity of the permanent magnet trough
Times；
The multiple cage grooves include multiple face cage grooves and multiple non-face cage grooves, the quantity of the face cage grooves with
The quantity of the permanent magnet trough is consistent, the diameter of multiple face cage grooves and multiple permanent magnet troughs in the rotor core
Upwards respectively it is opposite one by one, multiple non-face cage grooves be located in the circumferential direction of the rotor core it is adjacent it is described just
Between cage grooves；
In the cross section of the rotor core, the central axis of the face cage grooves pass through the center of circle of the rotor core with
Face cage grooves the radially extending along the rotor core, the central axis of the non-face cage grooves is set to avoid described turn
The center of circle of sub- iron core is so that radial skew of the non-face cage grooves relative to the rotor core.
2. the rotor core according to claim 1 for self-starting permanent magnet synchronous motor, which is characterized in that multiple described
For permanent magnet trough along the circumferential spaced set of the rotor core, multiple cage grooves are non-etc. along the circumferential direction of the rotor core
Spacing is arranged.
3. the rotor core according to claim 1 for self-starting permanent magnet synchronous motor, which is characterized in that it is described it is non-just
Radial angle of inclination to cage grooves relative to the rotor core is not more than 25 °.
4. the rotor core according to claim 2 for self-starting permanent magnet synchronous motor, which is characterized in that at described turn
In the cross section of sub- iron core, the quantity of the cage grooves is N, and using a cage grooves as basic point, remaining described cage grooves is from described
Basic point is along the circumferential direction labeled slots M successively of the rotor core, the center of circle of each and the basic point in remaining described cage grooves
Angle α meets：
Wherein K1 ＜ 0.1, K2 are the quantity of the permanent magnet trough.
5. the rotor core according to claim 1 for self-starting permanent magnet synchronous motor, which is characterized in that the rotor
Iron core is overrided to form by multiple rotor punchings.
6. the rotor core according to claim 5 for self-starting permanent magnet synchronous motor, which is characterized in that the rotor
Punching is silicon steel sheet.
7. the rotor core according to claim 1 for self-starting permanent magnet synchronous motor, which is characterized in that the permanent magnetism
Body slot includes：
Straight portion, the straight portion radially extending along the rotor core in the cross section of the rotor core；
Curved portion, the curved portion is in the cross section of the rotor core along the circumferentially extending of the rotor core, the arc
Shape portion is connected with the side of the neighbouring shaft hole in the straight portion, on the side wall in the direction straight portion of the curved portion
Equipped with the straight portion the rotor core diametrically opposite protrusion.
8. a kind of rotor for self-starting permanent magnet synchronous motor, which is characterized in that including：
Rotor core, the rotor core are the rotor core according to any one of claim 1-7；
Shaft, the shaft are assemblied in the shaft hole；
Permanent magnet, the permanent magnet are assemblied in the permanent magnet trough；
Mouse cage winding, the mouse cage winding are assemblied in the cage grooves.
9. the rotor according to claim 8 for self-starting permanent magnet synchronous motor, which is characterized in that the permanent magnet is
Magnet steel, the mouse cage winding are alumiaum article.
10. a kind of self-starting permanent magnet synchronous motor, which is characterized in that including according to claim 8 or claim 9 for self-starting
The rotor of permanent magnet synchronous motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850902.3A CN106230153B (en) | 2016-09-26 | 2016-09-26 | Rotor core, rotor and self-starting permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610850902.3A CN106230153B (en) | 2016-09-26 | 2016-09-26 | Rotor core, rotor and self-starting permanent magnet synchronous motor |
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| Publication Number | Publication Date |
|---|---|
| CN106230153A CN106230153A (en) | 2016-12-14 |
| CN106230153B true CN106230153B (en) | 2018-09-25 |
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| CN201610850902.3A Active CN106230153B (en) | 2016-09-26 | 2016-09-26 | Rotor core, rotor and self-starting permanent magnet synchronous motor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711975A (en) * | 2018-05-30 | 2018-10-26 | 广东威灵电机制造有限公司 | The rotor assembly of motor and motor with it |
| CN109149891A (en) * | 2018-10-29 | 2019-01-04 | 哈尔滨理工大学 | A kind of New-type asynchronous starting permanent-magnet synchronous motor rotor structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201601540U (en) * | 2009-07-17 | 2010-10-06 | 浙江西子富沃德电机有限公司 | Permanent-magnet motor rotor structure |
| JP4964291B2 (en) * | 2009-12-01 | 2012-06-27 | 三菱電機株式会社 | Rotor, blower and compressor of embedded permanent magnet motor |
| CN101771299B (en) * | 2009-12-26 | 2012-07-04 | 中国矿业大学 | Rotor structure of nonuniform rotor conductor distribution for permanent magnetic synchronous motor |
| CN103208894B (en) * | 2012-01-11 | 2015-07-29 | 珠海格力电器股份有限公司 | Automatic start type synchronous magnetic resistance motor and rotor thereof |
| CN104037965A (en) * | 2014-06-19 | 2014-09-10 | 浙江西传电气科技有限公司 | Rotor structure of permanent magnet synchronous motor |
| CN204425069U (en) * | 2014-12-27 | 2015-06-24 | 江苏安捷机电技术有限公司 | The punching of T-shaped eight groove Rare-earth PMSM Rotor Structure |
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