CN203984105U - Integral electric motor stator punching, stator core and use its electric rotating machine - Google Patents
Integral electric motor stator punching, stator core and use its electric rotating machine Download PDFInfo
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- CN203984105U CN203984105U CN201420149093.XU CN201420149093U CN203984105U CN 203984105 U CN203984105 U CN 203984105U CN 201420149093 U CN201420149093 U CN 201420149093U CN 203984105 U CN203984105 U CN 203984105U
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- Prior art keywords
- stator
- auxiliary tank
- punching
- stator punching
- core
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Abstract
The utility model provides a kind of Integral electric motor stator punching, stator core and has used its electric rotating machine, described Integral electric motor stator punching has auxiliary tank, described Integral electric motor stator punching only includes one deck stator punching, wherein the tooth portion front end of stator punching has an auxiliary tank of inclination, and the auxiliary tank of stator punching along the circumferential direction rotates a predetermined angular.The tooth portion front end of this stator punching has the auxiliary tank of inclination, and its main purpose is to produce skewed slot effect, optimizes magnetic field and electromotive force, reduces cogging torque etc.Meanwhile, the utility model also provides the stator core of being made up of said stator sheet punching press, and has comprised the electric rotating machine of said stator iron core.
Description
Technical field
The utility model relates to a kind of Integral electric motor stator punching, stator core and uses its electric rotating machine.
Background technology
Current, in traditional electric rotating machine, using skewed slot is a kind of effectively technological means, has the electromotive force of weakening harmonic wave, reduces cogging torque, reduces the advantages such as torque pulsation.But this technology also has the shortcoming that some are difficult to overcome simultaneously.Adopt skewed slot, winding overhang is elongated, and end effect strengthens, and copper loss loss increases, enamelled wire cost increase etc.
For avoiding occurring the problems referred to above, using auxiliary tank is also a kind of method, and traditional auxiliary tank adopts straight channel type structure, but the result of use of this method is unsatisfactory.
Therefore, be necessary to provide a kind of new technical scheme, can reach and reduce costs, technique effect easy to use.
Utility model content
In order to address the above problem, first aspect of the present utility model, a kind of Integral electric motor stator punching with auxiliary tank is provided, described Integral electric motor stator punching comprises multi-layer stator punching, wherein the tooth portion front end of every layer of stator punching has an auxiliary tank of inclination, it is characterized in that: the auxiliary tank of every layer of stator punching rotates a predetermined angular relative to the auxiliary tank of last layer stator punching.
Preferably, the width of described auxiliary tank is W=(1～1.5) b
0, depth d=(1～1.5) b of auxiliary tank
0, wherein said b
0for the width of rebate of motor stator.
Preferably, in the time that described stator punching is used for integer groove asynchronous machine or magneto, the overall angle of inclination of described auxiliary tank
wherein Z is described motor stator slot number.
Preferably, in the time that described stator punching is used for magneto, the angle of inclination of described auxiliary tank rotation
wherein LCM represents least common multiple (i.e. note: LCM is the formula of asking two natural least common multiples in mathematics), and M is that number of magnetic poles, Z are number of stator slots, and wherein M and Z are the natural number that is greater than zero.
The utility model also provides a kind of Integral electric motor stator punching with auxiliary tank, described Integral electric motor stator punching comprises multi-layer stator punching, wherein the tooth portion front end of every layer of stator punching has at least two auxiliary tanks of inclination, it is characterized in that: the auxiliary tank of every layer of stator punching rotates a predetermined angular relative to the auxiliary tank of last layer stator punching.
Preferably, the width of described auxiliary tank is W=(0.8～1.2) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
Preferably, in the time that described stator punching is used for integer groove asynchronous machine or magneto, the overall angle of inclination of described auxiliary tank
wherein Z is described motor stator slot number.
Preferably, in the time that described stator punching is used for magneto, the angle of inclination of described auxiliary tank rotation
lCM represents least common multiple, and M is that number of magnetic poles, Z are number of stator slots, and wherein M and Z are the natural number that is greater than zero.
The utility model also provides a kind of stator core being overrided to form by stator punching, and wherein each stator core has multiple vertical auxiliary tanks.Each auxiliary tank rotates an angle relative to a upper auxiliary tank.
Preferably, the width of auxiliary tank is W=(1～1.5) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
Preferably, in the time that this stator core is used for integer groove asynchronous machine or magneto, the anglec of rotation of each auxiliary tank
wherein Z is number of stator slots, and n is each split core auxiliary tank number.
Preferably, in the time that this stator core is the fractional-slot magneto of M, number of stator slots Z for number of magnetic poles, the angle of inclination of auxiliary tank is
n is each split core auxiliary tank number.
The utility model also provides a kind of Split type stator core, and wherein said stator core is axially divided at least two sections, and every section of stator core stamping sheet has an auxiliary tank, and the auxiliary tank incline direction of two sections of stator cores is identical or contrary.
Preferably, the width of described auxiliary tank is W=(1～1.2) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
Preferably, when described stator core is used for integer groove asynchronous machine or magneto, the overall anglec of rotation of each auxiliary tank
wherein Z is number of stator slots.
Preferably, when described stator core is made as the fractional-slot magneto of M, number of stator slots Z for number of magnetic poles, the angle of inclination of auxiliary tank entirety is
wherein LCM represents least common multiple (i.e. note: LCM is the formula of asking two natural least common multiples in mathematics), and M is that number of magnetic poles, Z are number of stator slots, and wherein M and Z are the natural number that is greater than zero.
Based on the problems referred to above, second aspect of the present utility model is proposed, a kind of motor stator is provided, comprise described Integral electric motor stator punching.
In addition, the utility model also provides a kind of electric rotating machine, comprises stator punching or stator core that the utility model is above-mentioned.
The beneficial effect of technique scheme of the present utility model is as follows:
The unitary stator punching of novel auxiliary tank is provided in the technical solution of the utility model, and the tooth portion front end of this stator punching has the auxiliary tank of inclination, and its main purpose is to produce skewed slot effect, optimizes magnetic field and electromotive force, reduces cogging torque etc.
Brief description of the drawings
Fig. 1 is---the stator punching figure of the utility model embodiment 1.
Fig. 2 is---the stator core construction schematic diagram of the utility model embodiment 1.
Fig. 3 is---the stator core partial schematic diagram of the utility model embodiment 1.
Fig. 4 is---the stator iron core tooth portion front end front view of the utility model embodiment 1.
Fig. 5 is---the stator core construction schematic diagram of the utility model embodiment 2.
Fig. 6 is---the stator core partial schematic diagram of the utility model embodiment 2.
Fig. 7 is---the stator iron core tooth portion front end front view of the utility model embodiment 2.
Fig. 8 is---the stator core construction schematic diagram of the utility model embodiment 3.
Fig. 9 is---the stator core partial schematic diagram of the utility model embodiment 3.
Figure 10 is---the stator iron core tooth portion front end front view of the utility model embodiment 3.
Figure 11 is---the stator core segmentation combination schematic diagram of the utility model embodiment 4.
Figure 12 is---the stator core segmentation combination partial schematic diagram of the utility model embodiment 4.
Figure 13 is---tooth portion front end front view is combined in the stator core segmentation of the utility model embodiment 4 in the same way.
Figure 14 is---tooth portion front end front view is oppositely combined in the stator core segmentation of the utility model embodiment 4.
Figure 15 is---the internal rotor permanent-magnetic electric machine structure schematic diagram of the utility model embodiment 5.
Figure 16 is---the outer-rotor permanent magnet motor structural representation of the utility model embodiment 6.
Figure 17 is---the fractional-slot of the utility model embodiment 7 is concentrated winding permanent magnet motor structural representation.
Embodiment
For making the technical problems to be solved in the utility model, the Integral electric motor stator punching of what the utility model provided have novel auxiliary tank, described Integral electric motor stator punching comprises multi-layer stator punching, wherein the tooth portion front end of every layer of stator punching has at least one auxiliary tank of inclination, it is characterized in that: the auxiliary tank of every layer of stator punching rotates a predetermined angular relative to the auxiliary tank of last layer stator punching.
For making the description of the technical program clearer, illustrate below with reference to accompanying drawings according to the electric rotating machine of the utility model execution mode (in figure taking permagnetic synchronous motor as example, but execution mode of the present utility model is not limited to the execution mode of following example).
Embodiment 1
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are according to the stator punching of the utility model embodiment 1 and stator core diagram.Stator core is formed by stator punching compacting.Every layer of punching has an auxiliary tank, and the auxiliary tank of every layer of stator punching rotates an angle relative to the auxiliary tank of last layer stator punching.In figure, angle of the auxiliary tank of stator core distortion to the right.
Preferably, the width of auxiliary tank is W=(1～1.5) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
Preferably, for integer groove asynchronous machine and magneto etc., the overall angle of inclination of auxiliary tank
(Z is number of stator slots).
Preferably, be made as M for number of magnetic poles, the fractional-slot magneto that number of stator slots is Z, the overall angle of inclination of auxiliary tank is:
lCM is the function expression (lower same) of least common multiple.
The auxiliary tank tilting, has skewed slot effect, can reduce cogging torque.The direction that in embodiment 1, auxiliary tank tilts is to the right, changes direction, and incline direction is left, within it still belongs to scope of the present utility model.
Embodiment 2
Fig. 5, Fig. 6 and Fig. 7 are the stator core diagrams according to the utility model embodiment 2.Every layer of stator punching has two auxiliary tanks, and each auxiliary tank rotates an angle relative to the auxiliary tank of last layer punching.In figure, angle of the auxiliary tank of stator core distortion to the right.
Preferably, the width of auxiliary tank is W=(0.8～1.2) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
Preferably, for integer groove asynchronous machine and magneto etc., the overall angle of inclination of auxiliary tank
(z is number of stator slots).
Preferably, be made as M for number of magnetic poles, the fractional-slot magneto of number of stator slots Z, the overall angle of inclination of auxiliary tank is
The auxiliary tank tilting, has skewed slot effect, can reduce cogging torque.The direction that in embodiment 2, auxiliary tank tilts is to the right, changes direction, and incline direction is left, within it still belongs to scope of the present utility model.
In embodiment 2, auxiliary tank number is 2, for 2 and above auxiliary tank, within it still belongs to scope of the present utility model.
Embodiment 3
Fig. 8, Fig. 9 and Figure 10 are the stator core diagrams according to the utility model embodiment 3.Stator core is overrided to form by stator punching.Each stator core has multiple vertical auxiliary tanks, is 4 in embodiment.Each auxiliary tank rotates an angle relative to a upper auxiliary tank.In figure, angle of the auxiliary tank of stator core distortion to the right.
Preferably, the width of auxiliary tank is W=(1～1.5) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
Preferably, for integer groove asynchronous machine and magneto etc., the anglec of rotation of each auxiliary tank
(Z is number of stator slots, and n is each split core auxiliary tank number).
Preferably, be made as M for number of magnetic poles, the fractional-slot magneto of number of stator slots Z, the angle of inclination of auxiliary tank
(the each split core auxiliary tank of n number).
The auxiliary tank of rotation, has skewed slot effect, can reduce cogging torque.In embodiment 3, the direction of auxiliary tank rotation is to the right, changes direction, and direction of rotation is left, within it still belongs to scope of the present utility model.
In embodiment 3, the auxiliary tank number of each stator core is 4, for the auxiliary tank of other quantity, within still belonging to scope of the present utility model.
Embodiment 4
Above embodiment for be shorter stator core, for longer stator core, the utility model proposes stator core fragmentation technique.
Figure 11, Figure 12, Figure 13 and Figure 14 are the Split type iron core diagrams according to the utility model embodiment 4.In embodiment, stator core is axially divided into two sections.In embodiment, only show two kinds of prevailing combining forms.Every section of stator core stamping sheet has an auxiliary tank.In Figure 13, the auxiliary tank incline direction of two sections of stator cores is identical; In Figure 14, the auxiliary tank incline direction of two sections of stator cores is contrary.
Preferably, the width of auxiliary tank is W=(1～1.2) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
Preferably, for integer groove asynchronous machine and magneto etc., the overall anglec of rotation of each auxiliary tank
(Z is number of stator slots).
Preferably, be made as M for number of magnetic poles, the fractional-slot magneto of number of stator slots Z, the angle of inclination of auxiliary tank entirety is
The auxiliary tank of rotation, has skewed slot effect, can reduce cogging torque.In embodiment 4, stator core is made up of two iron leg cores, within for the stator that has the iron core of multistage to form, it still belongs to scope of the present utility model.In embodiment 4, stator forms by two sections, only shows the most common two kinds of iron core combining forms.For any combination by embodiment 1-3, the stator of formation is within it still belongs to scope of the present utility model.
Embodiment 5
Figure 15 is the internal rotor permanent-magnetic synchronous motor structure schematic diagram according to the utility model embodiment 5.In embodiment, number of magnetic poles is M=8, and stator slot is Z=36.
Stator core is by multistage.Every section of stator core adopts embodiment 1, stator rabbet width b
0=2mm
Preferably, the width of auxiliary tank is W=2.4mm, and the degree of depth of auxiliary tank is d=1.2mm.
Preferably, the angle of inclination of auxiliary tank entirety is:
Preferably, magnetic pole be shaped as uniform thickness tile type.In embodiment 5, in embodiment, number of magnetic poles is M=8, and stator slot is Z=36.Within for the electric rotating machine that has other utmost point groove cooperation, form according to embodiment 1-4 and variation structure thereof, it still belongs to scope of the present utility model.
Embodiment 6
Figure 16 is the external rotor permanent magnet synchronous machine structural representation according to the utility model embodiment 6.In embodiment, number of magnetic poles is M=8, and stator slot is Z=36.
Stator core is by multistage.Every section of stator core adopts embodiment 1, stator rabbet width b
0=1.8mm
Preferably, the width of auxiliary tank is W=2.2mm, and the degree of depth of auxiliary tank is d=1.2mm.
Preferably, the angle of inclination of auxiliary tank entirety is:
The auxiliary tank of rotation, has skewed slot effect, can reduce cogging torque.Preferably, magnetic pole be shaped as uniform thickness tile type.In embodiment 6, in embodiment, number of magnetic poles is M=8, and stator slot is Z=36.Within for the electric rotating machine that has other utmost point groove cooperation, form according to embodiment 1-4 and variation structure thereof, it still belongs to scope of the present utility model.
Embodiment 7
Figure 17 concentrates winding permanent magnet synchronous motor structure schematic diagram according to the fractional-slot of the utility model embodiment 7.In embodiment, number of magnetic poles is M=10, and stator slot is Z=12.
Stator core is by multistage.Every section of stator core adopts embodiment 1, stator rabbet width b
0=1.3mm
Preferably, the width of auxiliary tank is W=1.5mm, and the degree of depth of auxiliary tank is d=1.2mm.
Preferably, the angle of inclination of auxiliary tank entirety is:
The auxiliary tank of rotation, has skewed slot effect, can reduce cogging torque.Preferably, magnetic pole be shaped as tile type, magnetic pole maximum thickness is h
max, minimum value is h
min, h
min=(0.6～0.7) h
max.
In embodiment 7, in embodiment, number of magnetic poles is M=10, and stator slot is Z=12.Within for the electric rotating machine that has other utmost point groove cooperation, form according to embodiment 1-4 and variation structure thereof, it still belongs to scope of the present utility model.
Embodiment of the present utility model is not limited to the permagnetic synchronous motor of unitary stator punching, within still belonging to scope of the present utility model for other employings according to the formation electric rotating machine of the utility model embodiment and variation structure thereof.
Above, execution mode of the present utility model has been carried out to brief description, but if so-called those skilled in the art, not departing from the scope of the utility model important content, can suitably change above-mentioned execution mode of the present utility model, and can the method for appropriately combined utilization based on above-mentioned execution mode and modification.In other words, even such technology being changed etc. is also contained in scope of the present utility model.
Claims (16)
1. an Integral electric motor stator punching, it has auxiliary tank, and described Integral electric motor stator punching comprises multi-layer stator punching, and wherein the tooth portion front end of every layer of stator punching has an auxiliary tank of inclination, it is characterized in that:
The auxiliary tank of every layer of stator punching rotates a predetermined angular relative to the auxiliary tank of last layer stator punching.
2. stator punching as claimed in claim 1, is characterized in that:
The width of described auxiliary tank is W=(1～1.5) b
0, depth d=(1～1.5) b of auxiliary tank
0, wherein b
0for the width of rebate of motor stator.
3. stator punching as claimed in claim 1 or 2, is characterized in that:
In the time that described stator punching is used for integer groove asynchronous machine or magneto, the overall angle of inclination of described auxiliary tank
the number of stator slots that wherein Z is motor.
4. stator punching as claimed in claim 1 or 2, is characterized in that:
In the time that described stator punching is used for magneto, the angle of inclination of described auxiliary tank rotation
wherein LCM represents least common multiple, and M is that number of magnetic poles, Z are number of stator slots, and wherein M and Z are the natural number that is greater than zero.
5. an Integral electric motor stator punching, it has auxiliary tank, described Integral electric motor stator punching comprises multi-layer stator punching, wherein the tooth portion front end of every layer of stator punching has at least two auxiliary tanks of inclination, it is characterized in that: the auxiliary tank of every layer of stator punching rotates a predetermined angular relative to the auxiliary tank of last layer stator punching.
6. stator punching as claimed in claim 5, is characterized in that:
The width of described auxiliary tank is W=(0.8～1.2) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
7. the stator punching as described in claim 5 or 6, is characterized in that:
In the time that described stator punching is used for integer groove asynchronous machine or magneto, the overall angle of inclination of described auxiliary tank
the number of stator slots that wherein Z is described motor.
8. the stator punching as described in claim 5 or 6, is characterized in that:
In the time that described stator punching is used for magneto, the angle of inclination of described auxiliary tank rotation
wherein LCM represents least common multiple, and M is that number of magnetic poles, Z are number of stator slots, and wherein M and Z are the natural number that is greater than zero.
9. a stator core, it is overrided to form by stator punching, and wherein each stator core has multiple vertical auxiliary tanks, and each auxiliary tank rotates an angle relative to a upper auxiliary tank, it is characterized in that:
The width of auxiliary tank is W=(1～1.5) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
10. stator core as claimed in claim 9, is characterized in that:
In the time that this stator core is used for integer groove asynchronous machine or magneto, the anglec of rotation of each auxiliary tank
wherein Z is number of stator slots, and n is each split core auxiliary tank number.
11. stator cores as claimed in claim 9, is characterized in that:
In the time that this stator core is the fractional-slot magneto of M, number of stator slots Z for number of magnetic poles, the angle of inclination of auxiliary tank is
lCM represents least common multiple, and M is that number of magnetic poles, Z are number of stator slots, and wherein M and Z are the natural number that is greater than zero, and n is each split core auxiliary tank number.
12. 1 kinds of stator cores, this stator core is Split type, wherein said stator core is axially divided at least two sections, every section of stator core stamping sheet has an auxiliary tank, the auxiliary tank incline direction of two sections of stator cores is identical or contrary, it is characterized in that: the width of described auxiliary tank is W=(1～1.2) b
0, the degree of depth of auxiliary tank is d=(1～1.5) b
0, wherein b
0for the width of rebate of motor stator.
13. stator cores as claimed in claim 12, is characterized in that:
When described stator core is used for integer groove asynchronous machine or magneto, the overall anglec of rotation of each auxiliary tank
wherein Z is number of stator slots.
14. stator cores as claimed in claim 12, is characterized in that:
When described stator core is made as the fractional-slot magneto of M, number of stator slots Z for number of magnetic poles, the angle of inclination of auxiliary tank entirety is
lCM represents least common multiple, and wherein M is that number of magnetic poles, Z are number of stator slots, and wherein M and Z are the natural number that is greater than zero.
15. 1 kinds of electric rotating machines, comprise arbitrary described stator punching in the claims 1-8.
16. 1 kinds of electric rotating machines, comprise arbitrary described stator core in the claims 9-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149093.XU CN203984105U (en) | 2014-03-28 | 2014-03-28 | Integral electric motor stator punching, stator core and use its electric rotating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149093.XU CN203984105U (en) | 2014-03-28 | 2014-03-28 | Integral electric motor stator punching, stator core and use its electric rotating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203984105U true CN203984105U (en) | 2014-12-03 |
Family
ID=51981521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420149093.XU Expired - Fee Related CN203984105U (en) | 2014-03-28 | 2014-03-28 | Integral electric motor stator punching, stator core and use its electric rotating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203984105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904793A (en) * | 2014-03-28 | 2014-07-02 | 湖北立锐机电有限公司 | Integrated motor stator punching sheet, motor stator and rotating motor using integrated motor stator punching sheet |
| CN105846558A (en) * | 2015-01-15 | 2016-08-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and compressor |
-
2014
- 2014-03-28 CN CN201420149093.XU patent/CN203984105U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103904793A (en) * | 2014-03-28 | 2014-07-02 | 湖北立锐机电有限公司 | Integrated motor stator punching sheet, motor stator and rotating motor using integrated motor stator punching sheet |
| CN105846558A (en) * | 2015-01-15 | 2016-08-10 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor and compressor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141203 Termination date: 20170328 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |