CN107968496A - A kind of asymmetric synchronous magnetic resistance motor rotor punching - Google Patents
A kind of asymmetric synchronous magnetic resistance motor rotor punching Download PDFInfo
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- CN107968496A CN107968496A CN201711091681.7A CN201711091681A CN107968496A CN 107968496 A CN107968496 A CN 107968496A CN 201711091681 A CN201711091681 A CN 201711091681A CN 107968496 A CN107968496 A CN 107968496A
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- field axis
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2201/00—Specific aspects not provided for in the other groups of this subclass relating to the magnetic circuits
- H02K2201/06—Magnetic cores, or permanent magnets characterised by their skew
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
A kind of asymmetric synchronous magnetic resistance motor rotor punching, is related to synchronous magnetic resistance motor field.Using the punching of symmetry circumference uniform distribution, synchronous magnetic resistance motor has larger torque pulsation, and then can produce larger electromagnetic noise and electric and magnetic oscillation.A kind of asymmetric synchronous magnetic resistance motor rotor punching, the rotor punching is provided with multigroup hole slot, region where every group of hole slot forms magnetic pole, the hole slot is magnetic resistance groove, the center of the rotor punching is provided with axis hole, the rotor punching is dissymmetrical structure, and the magnetic resistance groove that dissymmetrical structure includes each magnetic pole does not intersect at a bit on the extended line of field axis asymmetry and/or field axis.The technical program reduces torque pulsation, and then reduce electromagnetic noise and electric and magnetic oscillation in motor operation by the unsymmetric structure of rotor punching.
Description
Technical field
The present invention relates to synchronous magnetic resistance motor field, more particularly to a kind of asymmetric synchronous magnetic resistance motor rotor punching.
Background technology
At present, synchronous magnetic resistance motor rotor punching is essentially all to be set using the structure type of symmetry circumference uniform distribution
Meter, but use the synchronous magnetic resistance motor of the structure punching that there is larger torque pulsation, and then larger electromagnetism can be produced and made an uproar
Sound and electric and magnetic oscillation.To solve this problem, the present invention proposes a kind of new synchronous magnetic resistance motor rotor punching, can effectively press down
System reduces reluctance motor electromagnetic noise caused by torque pulsation and electric and magnetic oscillation problem.
The content of the invention
The technical problem to be solved in the present invention and the technical assignment proposed are prior art to be improved with being improved,
A kind of asymmetric synchronous magnetic resistance motor rotor punching is provided, for the purpose of effectively reducing electromagnetic noise and electric and magnetic oscillation.For this reason, this
Following technical scheme is taken in invention.
A kind of asymmetric synchronous magnetic resistance motor rotor punching, the rotor punching are provided with multigroup hole slot, every group of hole slot institute
Region form magnetic pole, the hole slot be magnetic resistance groove, and the center of the rotor punching is provided with axis hole, and the rotor rushes
Piece is dissymmetrical structure, and dissymmetrical structure includes the magnetic resistance groove of each magnetic pole on field axis asymmetry and/or field axis
Extended line do not intersect at a bit.Magnetic pole geometric center lines are field axis, and the axis of symmetry of adjacent two field axis is
Non- field axis.By the unsymmetric structure of rotor punching, torque pulsation is reduced, and then the electromagnetism reduced in motor operation is made an uproar
Sound and electric and magnetic oscillation.
As further improving and supplementing to above-mentioned technical proposal, present invention additionally comprises following additional technical feature.
The magnetic resistance groove of each magnetic pole is asymmetric on field axis；Angle between two adjacent field axis is homogeneous
Deng；Angle between two adjacent non-field axis is equal；Two neighboring magnetic pole is asymmetric on non-field axis.Should
Structure can conveniently realize the unsymmetric structure of rotor punching.
The magnetic resistance groove of each magnetic pole is asymmetric on field axis；Angle between two adjacent field axis is homogeneous
Deng；Angle between two adjacent non-field axis is equal；Two neighboring magnetic pole is symmetrical on non-field axis.The knot
Structure can conveniently realize the unsymmetric structure of rotor punching.
The magnetic resistance groove of each magnetic pole is asymmetric on field axis；Angle between two adjacent field axis not phase
Deng；Angle between two adjacent non-field axis is unequal；Two neighboring magnetic pole is asymmetric on non-field axis.
The structure can conveniently realize the unsymmetric structure of rotor punching.
The magnetic resistance groove of each magnetic pole is asymmetric on field axis；Angle between two adjacent field axis not phase
Deng；Angle between two adjacent non-field axis is unequal；Two neighboring magnetic pole is symmetrical on non-field axis.Should
Structure can conveniently realize the unsymmetric structure of rotor punching.
The magnetic resistance groove of each magnetic pole is symmetrical on field axis；Angle between two adjacent field axis is equal；
Angle between two adjacent non-field axis is equal；Two neighboring magnetic pole is asymmetric on non-field axis.The knot
Structure can conveniently realize the unsymmetric structure of rotor punching.
The magnetic resistance groove of each magnetic pole is symmetrical on field axis；Angle between two adjacent field axis not phase
Deng；Angle between two adjacent non-field axis is unequal；Two neighboring magnetic pole is asymmetric on non-field axis.
The structure can conveniently realize the unsymmetric structure of rotor punching.
The magnetic resistance groove of each magnetic pole is symmetrical on field axis；Angle between two adjacent field axis not phase
Deng；Angle between two adjacent non-field axis is unequal；Two neighboring magnetic pole is symmetrical on non-field axis.Should
Structure can conveniently realize the unsymmetric structure of rotor punching.
The magnetic resistance groove includes the water jacket on the outside of magnetic pole, multiple inside grooves between water jacket and axis hole, described
Water jacket and inside groove include rising as high as the banks among the magnetic pole and the left skewed slot positioned at magnetic pole or so both wings and right skewed slot, it is described
Left skewed slot and right skewed slot are connected with rising as high as the banks, and the angle of each left skewed slot and field axis of asymmetric magnetic resistance groove is not equal to therewith
The angle of corresponding right skewed slot and field axis., can be conveniently real by the unequal of field axis and its both sides angle of bevel value
The asymmetry of existing magnetic resistance groove.
Rising as high as the banks for the inside groove separates at field axis, is formed respectively in left inside groove and the right side with left skewed slot and right skewed slot
Groove.Easy to recognize the approximate location of field axis, the convenient asymmetrically shape for differentiating magnetic resistance groove.
Beneficial effect：The electromagnetic noise caused by torque pulsation and electric and magnetic oscillation can be effectively inhibited or reduced, is carried
The running quality of motor is risen.
Brief description of the drawings
Fig. 1 is one structure diagram of present example.
Fig. 2 is two structure diagram of present example.
Fig. 3 is three structure diagram of present example.
Fig. 4 is four structure diagram of present example.
Fig. 5 is five structure diagram of present example.
Fig. 6 is six structure diagram of present example.
Fig. 7 is seven structure diagram of present example.
In figure：1- magnetic poles；2- magnetic resistance grooves；3- field axis；The non-field axis of 4-；5- axis holes.
Embodiment
Technical scheme is described in further detail below in conjunction with Figure of description.
Example one
As shown in Figure 1, a kind of asymmetric synchronous magnetic resistance motor rotor punching, rotor punching is provided with 4 groups of hole slots, every group of hole slot place
Region formed magnetic pole 1, altogether formed 4 magnetic poles 1, hole slot is magnetic resistance groove 2, and the center of rotor punching is provided with axis hole 5, magnetic pole more than 1
What center line is field axis 3, and the axis of symmetry of adjacent two field axis 3 is non-field axis 4, and rotor punching is not right
Claim structure, the magnetic resistance groove 2 of each magnetic pole 1 is asymmetric on field axis 3, and magnetic resistance groove 2 is outer including 1 on the outside of magnetic pole 1
Groove, 3 inside grooves between water jacket and axis hole 5, water jacket and inside groove include rising as high as the banks and positioned at magnetic pole among magnetic pole 1
1 or so both wings it is equal with the left skewed slot connected and the right skewed slot of rising as high as the banks, the angle of each left skewed slot and field axis 3 of magnetic resistance groove 2
Not equal to corresponding right skewed slot and the angle of field axis 3；Angle between two adjacent field axis 3 is equal,
For 90 degree；Angle between two adjacent non-field axis 4 is equal, and is 90 degree；Two neighboring magnetic pole 1 is on non-magnetic pole shaft
Line 4 is asymmetric.
In this example, rising as high as the banks for each inside groove separates at field axis 3, is formed respectively mutually with left skewed slot and right skewed slot
Independent left inside groove and right inside groove.Easy to recognize the approximate location of field axis 3, the convenient asymmetrically shape for differentiating magnetic resistance groove 2.
Example two
As shown in Fig. 2, with above example one the difference is that a kind of asymmetric synchronous magnetic resistance motor rotor punching, two neighboring
Magnetic pole 1 is symmetrical on non-field axis 4.
Example three
As shown in figure 3, with above example one the difference is that a kind of asymmetric synchronous magnetic resistance motor rotor punching, adjacent two
Angle between a field axis 3 is unequal；Angle between two adjacent non-field axis 4 is unequal.
Example four
As shown in figure 4, with above example one the difference is that a kind of asymmetric synchronous magnetic resistance motor rotor punching, adjacent two
Angle between a field axis 3 is unequal；Angle between two adjacent non-field axis 4 is unequal；Adjacent two
A magnetic pole 1 is symmetrical on non-field axis 4.
Example five
As shown in figure 5, with above example one the difference is that a kind of asymmetric synchronous magnetic resistance motor rotor punching, each magnetic pole 1
Magnetic resistance groove 2 it is symmetrical on field axis 3.
Example six
As shown in fig. 6, with above example one the difference is that a kind of asymmetric synchronous magnetic resistance motor rotor punching, each magnetic pole 1
Magnetic resistance groove 2 it is symmetrical on field axis 3；Angle between two adjacent field axis 3 is unequal；Adjacent two are non-
Angle between field axis 4 is unequal.
Example seven
As shown in fig. 7, with above example one the difference is that a kind of asymmetric synchronous magnetic resistance motor rotor punching, each magnetic pole 1
Magnetic resistance groove 2 it is symmetrical on field axis 3；Angle between two adjacent field axis 3 is unequal；Adjacent two are non-
Angle between field axis 4 is unequal；Two neighboring magnetic pole 1 is symmetrical on non-field axis 4.
A kind of asymmetric synchronous magnetic resistance motor rotor punching shown in figure 1 above -7 is the specific embodiment of the present invention,
Through embodying substantive distinguishing features of the present invention and progress, under the enlightenment of the present invention, it can be carried out according to actual use needs
The equivalent modifications of shape, structure etc., this programme protection domain row.
Claims (10)
1. a kind of asymmetric synchronous magnetic resistance motor rotor punching, the rotor punching is provided with multigroup hole slot, every group of hole slot place
Region formed magnetic pole, the hole slot is magnetic resistance groove, and the center of the rotor punching is provided with axis hole, it is characterised in that：Institute
The rotor punching stated is dissymmetrical structure, dissymmetrical structure include the magnetic resistance groove of each magnetic pole on field axis it is asymmetric and/
Or the extended line of field axis does not intersect at a bit.
A kind of 2. asymmetric synchronous magnetic resistance motor rotor punching according to claim 1, it is characterised in that：Each magnetic pole
Magnetic resistance groove is asymmetric on field axis；Angle between two adjacent field axis is equal；Two adjacent non-magnetic poles
Angle between axis is equal；Two neighboring magnetic pole is asymmetric on non-field axis.
A kind of 3. asymmetric synchronous magnetic resistance motor rotor punching according to claim 1, it is characterised in that：Each magnetic pole
Magnetic resistance groove is asymmetric on field axis；Angle between two adjacent field axis is equal；Two adjacent non-magnetic poles
Angle between axis is equal；Two neighboring magnetic pole is symmetrical on non-field axis.
A kind of 4. asymmetric synchronous magnetic resistance motor rotor punching according to claim 1, it is characterised in that：Each magnetic pole
Magnetic resistance groove is asymmetric on field axis；Angle between two adjacent field axis is unequal；Adjacent two are non-magnetic
Angle between pole axis line is unequal；Two neighboring magnetic pole is asymmetric on non-field axis.
A kind of 5. asymmetric synchronous magnetic resistance motor rotor punching according to claim 1, it is characterised in that：Each magnetic pole
Magnetic resistance groove is asymmetric on field axis；Angle between two adjacent field axis is unequal；Adjacent two are non-magnetic
Angle between pole axis line is unequal；Two neighboring magnetic pole is symmetrical on non-field axis.
A kind of 6. asymmetric synchronous magnetic resistance motor rotor punching according to claim 1, it is characterised in that：Each magnetic pole
Magnetic resistance groove is symmetrical on field axis；Angle between two adjacent field axis is equal；Two adjacent non-magnetic pole shafts
Angle between line is equal；Two neighboring magnetic pole is asymmetric on non-field axis.
A kind of 7. asymmetric synchronous magnetic resistance motor rotor punching according to claim 1, it is characterised in that：Each magnetic pole
Magnetic resistance groove is symmetrical on field axis；Angle between two adjacent field axis is unequal；Two adjacent non-magnetic poles
Angle between axis is unequal；Two neighboring magnetic pole is asymmetric on non-field axis.
A kind of 8. asymmetric synchronous magnetic resistance motor rotor punching according to claim 1, it is characterised in that：Each magnetic pole
Magnetic resistance groove is symmetrical on field axis；Angle between two adjacent field axis is unequal；Two adjacent non-magnetic poles
Angle between axis is unequal；Two neighboring magnetic pole is symmetrical on non-field axis.
A kind of 9. asymmetric synchronous magnetic resistance motor rotor punching according to claim 1, it is characterised in that：The magnetic resistance
Groove includes the water jacket on the outside of magnetic pole, multiple inside grooves between water jacket and axis hole, and the water jacket and inside groove include
Rising as high as the banks among magnetic pole and the left skewed slot positioned at magnetic pole or so both wings and right skewed slot, the left skewed slot and right skewed slot are with putting down
Groove connects, and the angle of each left skewed slot and field axis of asymmetric magnetic resistance groove is not equal to corresponding right skewed slot and magnetic pole
The angle of axis.
A kind of 10. asymmetric synchronous magnetic resistance motor rotor punching according to claim 9, it is characterised in that：Described is interior
Rising as high as the banks for groove separates at field axis, and independent left inside groove and right inside groove are formed respectively with left skewed slot and right skewed slot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091681.7A CN107968496A (en) | 2017-11-08 | 2017-11-08 | A kind of asymmetric synchronous magnetic resistance motor rotor punching |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711091681.7A CN107968496A (en) | 2017-11-08 | 2017-11-08 | A kind of asymmetric synchronous magnetic resistance motor rotor punching |
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| Publication Number | Publication Date |
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| CN107968496A true CN107968496A (en) | 2018-04-27 |
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| CN201711091681.7A Pending CN107968496A (en) | 2017-11-08 | 2017-11-08 | A kind of asymmetric synchronous magnetic resistance motor rotor punching |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600384A (en) * | 2020-12-04 | 2021-04-02 | 南京航空航天大学 | Asymmetric magnetic barrier permanent magnet auxiliary reluctance synchronous linear motor |
| CN112600325A (en) * | 2020-12-10 | 2021-04-02 | 苏州汇川技术有限公司 | Motor direct-pole rotor and permanent magnet synchronous motor |
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| CN101272066A (en) * | 2007-03-20 | 2008-09-24 | 株式会社安川电机 | Permanent magnet type synchronous rotation motor rotor and rotation motor |
| CN104300713A (en) * | 2014-10-17 | 2015-01-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor and permanent magnet synchronous motor applying same |
| CN104508948A (en) * | 2012-08-16 | 2015-04-08 | 株式会社美姿把 | Rotor for use in magnet-assisted reluctance motor, and brushless motor |
| CN104852494A (en) * | 2015-06-10 | 2015-08-19 | 广东美芝制冷设备有限公司 | Rotor assembly, motor therewith, and compressor with rotor assembly |
| CN204615530U (en) * | 2015-05-12 | 2015-09-02 | 河北工业大学 | A kind of ALA rotor structure of synchronous magnetic resistance motor |
| CN105914925A (en) * | 2016-05-18 | 2016-08-31 | 江苏仪能电机有限公司 | High-torque-density permanent magnet reluctance synchronous motor rotor structure |
| CN105958692A (en) * | 2016-07-15 | 2016-09-21 | 东南大学 | Permanent magnet reluctance synchronous motor rotor structure having high torque density |
| CN107181337A (en) * | 2017-06-14 | 2017-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Asymmetric rotor structure, method to set up and the synchronous magnetic resistance motor of motor |
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2017
- 2017-11-08 CN CN201711091681.7A patent/CN107968496A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101272066A (en) * | 2007-03-20 | 2008-09-24 | 株式会社安川电机 | Permanent magnet type synchronous rotation motor rotor and rotation motor |
| CN104508948A (en) * | 2012-08-16 | 2015-04-08 | 株式会社美姿把 | Rotor for use in magnet-assisted reluctance motor, and brushless motor |
| CN104300713A (en) * | 2014-10-17 | 2015-01-21 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor rotor and permanent magnet synchronous motor applying same |
| CN204615530U (en) * | 2015-05-12 | 2015-09-02 | 河北工业大学 | A kind of ALA rotor structure of synchronous magnetic resistance motor |
| CN104852494A (en) * | 2015-06-10 | 2015-08-19 | 广东美芝制冷设备有限公司 | Rotor assembly, motor therewith, and compressor with rotor assembly |
| CN105914925A (en) * | 2016-05-18 | 2016-08-31 | 江苏仪能电机有限公司 | High-torque-density permanent magnet reluctance synchronous motor rotor structure |
| CN105958692A (en) * | 2016-07-15 | 2016-09-21 | 东南大学 | Permanent magnet reluctance synchronous motor rotor structure having high torque density |
| CN107181337A (en) * | 2017-06-14 | 2017-09-19 | 珠海格力节能环保制冷技术研究中心有限公司 | Asymmetric rotor structure, method to set up and the synchronous magnetic resistance motor of motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112600384A (en) * | 2020-12-04 | 2021-04-02 | 南京航空航天大学 | Asymmetric magnetic barrier permanent magnet auxiliary reluctance synchronous linear motor |
| CN112600325A (en) * | 2020-12-10 | 2021-04-02 | 苏州汇川技术有限公司 | Motor direct-pole rotor and permanent magnet synchronous motor |
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| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 312300 economic development zone, Shangyu District, Zhejiang, Shaoxing Applicant after: Wolong Electric Drive Group Co., Ltd. Address before: 312300 economic development zone, Shangyu District, Zhejiang, Shaoxing Applicant before: Wolong Electric Group Co., Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180427 |