CN107872105A - Motor stator punching, motor stator structure and motor - Google Patents
Motor stator punching, motor stator structure and motor Download PDFInfo
- Publication number
- CN107872105A CN107872105A CN201610851762.1A CN201610851762A CN107872105A CN 107872105 A CN107872105 A CN 107872105A CN 201610851762 A CN201610851762 A CN 201610851762A CN 107872105 A CN107872105 A CN 107872105A
- Authority
- CN
- China
- Prior art keywords
- punching
- motor stator
- motor
- internal diameter
- circular arc
- 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
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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
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/14—Stator cores with salient poles
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
- H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention discloses a kind of motor stator punching, motor stator structure and motor.The motor stator punching includes ring body, the endoporus of ring body has the first internal diameter on first axle, the endoporus of ring body has the second internal diameter in the second axis orthogonal with first axle, and the intersection point of first axle and second axis is the center of ring body, and the first internal diameter is not equal to the second internal diameter.The inner hole of motor stator being made up of stator punching in the present invention has two different internal diameters of length, therefore motor gas-gap can be made to become two kinds of size, because the magnetic potential of single-phase asynchronous motor is oval, oval magnetic potential major axis is set to correspond to big air gap, oval magnetic potential short axle corresponds to small air gap, so as to reduce the influence of oval magnetic potential, motor electromagnetic noise and vibration are reduced, there is the characteristics of simple in construction, easy to process, cost is low.
Description
Technical field
The present invention relates to machine field, in particular to a kind of motor stator punching, motor stator structure and motor.
Background technology
Single-phase asynchronous motor extensive utilization and refrigeration compressor system, due to the spy of single-phase asynchronous motor ellipse magnetic potential
Point, magnetic potential is uneven, causes electromagnetic noise and vibration.
The content of the invention
A kind of motor stator punching, motor stator structure and motor are provided in the embodiment of the present invention, to solve prior art
It is middle because magnetic potential is uneven, cause electromagnetic noise and vibration the problem of.
To achieve the above object, the embodiment of the present invention provides a kind of motor stator punching, including ring body, the endoporus of ring body exist
There is the first internal diameter on first axle, the endoporus of ring body has the second internal diameter in the second axis orthogonal with first axle, the
One axis and the center that the intersection point of second axis is ring body, the first internal diameter are not equal to the second internal diameter.
Preferably, the first internal diameter is less than the second internal diameter.
Preferably, endoporus is by the first circular arc, the second circular arc, three-arc and the 4th circular arc structure that are sequentially connected from beginning to end
Into, wherein, the first circular arc and three-arc are symmetrical on first axle, and the second circular arc and the 4th circular arc are on second axis
Symmetrically.
Preferably, the first circular arc, the second circular arc, the center of circle of three-arc and the 4th circular arc overlap.
Preferably, the first internal diameter and the second internal diameter meet following relation：
(d1/d2) × 100%=80%~99.99%
Wherein, d1 is the first internal diameter, and d2 is the second internal diameter.
Preferably, the first circular arc and the arc length occupied by three-arc are more than the 50% of whole endoporus arc length.
The invention provides a kind of motor stator structure, including the first punching, wherein, the first punching is that above-mentioned motor is determined
Sub- punching.
Preferably, motor stator structure also includes the second punching, and the endoporus of the second punching is circle.
Preferably, motor stator structure includes multiple first punchings and multiple second punchings, plurality of first punching
It is provided entirely in the side of multiple second punchings.
Preferably, motor stator structure includes multiple first punchings and multiple second punchings, and the first punching and second
Punching is arranged alternately.
Preferably, the quantity of the first punching accounts for the 1%-99% of the first punching and the second punching sum.
The invention provides a kind of motor, including above-mentioned motor stator structure.
The inner hole of motor stator being made up of stator punching in the present invention has two different internal diameters of length, therefore can make
Motor gas-gap becomes two kinds of size, because the magnetic potential of single-phase asynchronous motor is oval, oval magnetic potential major axis is corresponded to air
Gap, oval magnetic potential short axle correspond to small air gap, so as to reduce the influence of oval magnetic potential, reduce motor electromagnetic noise and vibration, tool
There is the characteristics of simple in construction, easy to process, cost is low.
Brief description of the drawings
Fig. 1 is the structural representation of the motor stator punching of the embodiment of the present invention；
Fig. 2 is the structural representation of the second punching of the embodiment of the present invention；
Fig. 3 is the structural representation of the motor stator structure of first embodiment of the invention；
Fig. 4 is the structural representation of the motor stator structure of second embodiment of the invention.
Description of reference numerals：1st, ring body；2nd, first axle；3rd, second axis；4th, the first circular arc；5th, the second circular arc；6th,
Three-arc；7th, the 4th circular arc；8th, the first punching；9th, the second punching.
Embodiment
The present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, but not as the limit to the present invention
It is fixed.
Refer to Fig. 1, the motor stator punching in the present invention includes ring body 1, wherein, in the inner side of ring body 1 formed with more
Individual circumferentially disposed U-shaped groove, so as to form multiple circumferentially arranged stator tooths.
As shown in figure 1, one is established with first axle 2 and orthogonal with first axle 2 by origin of the center of ring body 1
The coordinate system of two axis 3.There is the first internal diameter d1, ring body 1 on first axle 2 by reference, the endoporus of ring body 1 of the coordinate system
Endoporus there is the second internal diameter d2 in the second axis 3 orthogonal with first axle 2, and the first internal diameter d1 is not equal to the second internal diameter
d2.Preferably, the first internal diameter d1 is less than the second internal diameter d2.
As can be seen here, the inner hole of motor stator being made up of stator punching in the present invention has in two that length is different
Footpath, therefore motor gas-gap can be made to become two kinds of size, because the magnetic potential of single-phase asynchronous motor is oval, grow oval magnetic potential
Axle corresponds to big air gap, and oval magnetic potential short axle corresponds to small air gap, so as to reduce the influence of oval magnetic potential, reduces motor electromagnetic noise
And vibration, there is the characteristics of simple in construction, easy to process, cost is low.
For the ease of processing, in the present invention, the endoporus of motor stator punching by be sequentially connected from beginning to end the first circular arc 4,
Second circular arc 5, the circular arc 7 of three-arc 6 and the 4th are formed, wherein, the first circular arc 4 and three-arc 6 are right on first axle 2
Claim, the second circular arc 5 and the 4th circular arc 7 are symmetrical on second axis 3.It is highly preferred that the first circular arc 4, the second circular arc the 5, the 3rd
The center of circle of the circular arc 7 of circular arc 6 and the 4th overlaps so that the motor gas-gap between opposing arcs is uniform, is easy to process and manufactures.
Preferably, the first internal diameter d1 and the second internal diameter d2 meet following relation：
(d1/d2) × 100%=80%~99.99%
Wherein, d1 is the first internal diameter, and d2 is the second internal diameter.Both internal diameters are different, so that motor forms two kinds of different sizes
Air gap, the major axis and short axle of motor ellipse magnetic potential are corresponded to respectively.
Preferably, the first circular arc 4 and the arc length occupied by three-arc 6 are more than the 50% of whole endoporus arc length, can basis
The major axis and short axle size of motor ellipse magnetic potential, adjustment form the region of two kinds of different air gaps.
The invention provides a kind of motor stator structure, it is especially suitable for single-phase asynchronous motor.The motor stator structure
Including the first punching 8, wherein, the first punching 8 is above-mentioned motor stator punching.
Because above-mentioned motor stator structure employs above-mentioned stator punching so that motor effective air gap becomes size two
Kind, oval magnetic potential major axis corresponds to big air gap, and oval magnetic potential short axle corresponds to small air gap, reduces the influence of oval magnetic potential, reduces
Electromagnetic noise and vibration.
Preferably, motor stator structure also includes the second punching 9, and the endoporus of the second punching 9 is circle.In this embodiment
In, for the electronics stator structure in the present invention using the punching of two kinds of different structures, one of which is that endoporus is in similar ellipse
Punching, it is another then be endoporus for circular punching.Wherein, for ease of processing and manufacturing, the internal diameter of the second punching 9 is equal to first
First internal diameter d1 of punching 8.
In the embodiment shown in fig. 3, the motor stator structure includes multiple first punchings 8 and multiple second punchings 9, its
In multiple first punchings 8 be provided entirely in the sides of multiple second punchings 9, i.e., the first all punchings 8 stacks together, and owns
The second punching 9 stack together, and in figure 3, the first punching 8 is located at the top of the second punching 9.Motor shaft can not only be made
Motor ellipse magnetic potential is tackled to two kinds of effective air gaps of size are produced, moreover it is possible to the vibration for preventing rotating shaft eccentric phenomena problem from triggering
Cause motor rotatable parts friction stator.
In the embodiment shown in fig. 4, the motor stator structure includes multiple first punchings 8 and multiple second punchings 9, and
First punching 8 is set with alternating with the second punching 9.In this embodiment, can using one or more first punchings 8 as
One group, then using one or more second punchings 9 as one group, this two groups of punchings is alternately superimposed successively, wherein, in every group
Punching quantity can then be selected as needed.Motor is set axially to produce two kinds of effective air gaps of size to tackle motor ellipse
Magnetic potential, and cause the big air gap Regional Dispersion distribution in motor stator inside diameter hoop, the axiality inspection being easy to after motor assembling.
Preferably, the quantity of the first punching 8 accounts for the 1%-99% of the first punching 8 and the sum of the second punching 9.Can be according to motor
The major axis and short axle size of oval magnetic potential, the quantity of the first punching 8 and the second punching 9 is selected, form two kinds of effects of different sizes
The effective air gap of fruit, the major axis and short axle of motor ellipse magnetic potential are corresponded to respectively.
The invention provides a kind of motor, particularly a kind of single-phase asynchronous motor, including above-mentioned motor stator structure.
Certainly, above is the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art
For, on the premise of its general principles are not departed from, some improvements and modifications can also be made, these improvements and modifications
It is considered as protection scope of the present invention.
Claims (12)
1. a kind of motor stator punching, it is characterised in that including ring body (1), the endoporus of the ring body (1) is in first axle (2)
Upper have the first internal diameter, and the endoporus of the ring body (1) is in the second axis (3) orthogonal with the first axle (2) with the
Two internal diameters, the intersection point of the first axle (2) and the second axis (3) are the center of the ring body (1), first internal diameter
Not equal to the second internal diameter.
2. motor stator punching according to claim 1, it is characterised in that first internal diameter is less than in described second
Footpath.
3. motor stator punching according to claim 1, it is characterised in that the endoporus by be sequentially connected from beginning to end first
Circular arc (4), the second circular arc (5), three-arc (6) and the 4th circular arc (7) are formed, wherein, first circular arc (4) and described the
On the first axle (2) symmetrically, second circular arc (5) and the 4th circular arc (7) are on described second for three-arc (6)
Axis (3) is symmetrical.
4. motor stator punching according to claim 3, it is characterised in that first circular arc (4), second circular arc
(5), the center of circle of the three-arc (6) and the 4th circular arc (7) overlaps.
5. motor stator punching according to claim 3, it is characterised in that first internal diameter is expired with second internal diameter
It is enough lower relation：
(d1/d2) × 100%=80%~99.99%
Wherein, d1 is first internal diameter, and d2 is second internal diameter.
6. motor stator punching according to claim 3, it is characterised in that first circular arc (4) and the 3rd circle
Arc length occupied by arc (6) is more than the 50% of the whole endoporus arc length.
A kind of 7. motor stator structure, it is characterised in that including the first punching (8), wherein, first punching (8) is right
It is required that the motor stator punching any one of 1 to 6.
8. motor stator structure according to claim 7, it is characterised in that the motor stator structure also includes the second punching
Piece (9), and the endoporus of second punching (9) is circle.
9. motor stator structure according to claim 8, it is characterised in that the motor stator structure includes multiple described
First punching (8) and multiple second punchings (9), wherein the multiple first punching (8) is provided entirely in the multiple
The side of two punchings (9).
10. motor stator structure according to claim 8, it is characterised in that the motor stator structure includes multiple institutes
State the first punching (8) and multiple second punchings (9), and first punching (8) replaces with second punching (9) and set
Put.
11. the motor stator structure according to claim 9 or 10, it is characterised in that the quantity of first punching (8) accounts for
First punching (8) and the 1%-99% of second punching (9) sum.
12. a kind of motor, it is characterised in that including the motor stator structure any one of claim 7 to 11.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851762.1A CN107872105A (en) | 2016-09-26 | 2016-09-26 | Motor stator punching, motor stator structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610851762.1A CN107872105A (en) | 2016-09-26 | 2016-09-26 | Motor stator punching, motor stator structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107872105A true CN107872105A (en) | 2018-04-03 |
Family
ID=61752031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610851762.1A Pending CN107872105A (en) | 2016-09-26 | 2016-09-26 | Motor stator punching, motor stator structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107872105A (en) |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048287A (en) * | 1989-06-23 | 1991-01-02 | 胡利民 | Stator core and this motor unshakable in one's determination is arranged |
| US20010017500A1 (en) * | 2000-02-25 | 2001-08-30 | Hitachi, Ltd. | Vehicle use ac generator |
| CN1665100A (en) * | 2004-03-02 | 2005-09-07 | 丹福斯压缩器有限公司 | Stator of linear starting motor |
| CN2742657Y (en) * | 2003-11-18 | 2005-11-23 | 尹载东 | Generator using low power |
| CN101814777A (en) * | 2010-03-25 | 2010-08-25 | 东莞艾科机电设备有限公司 | Electronic motor |
| CN201623604U (en) * | 2010-03-05 | 2010-11-03 | 珠海格力电器股份有限公司 | Self-starting permanent magnet synchronous motor and compressor using the same |
| DE102009019555A1 (en) * | 2009-04-30 | 2010-11-04 | Minebea Co., Ltd. | Iron core i.e. stator core, for electrical machine e.g. direct current motor, has multiple sheets stacked and rotated against each other around integral multiple of pole distance, and partial pole shoes formed in convex and concave shape |
| CN201717761U (en) * | 2010-06-17 | 2011-01-19 | 广东美芝精密制造有限公司 | Permanent magnet synchronous motor for compressor |
| CN102780374A (en) * | 2012-07-02 | 2012-11-14 | 佛山市威灵电子电器有限公司 | Stator punched plate of single-phase direct current brushless motor |
| CN102780286A (en) * | 2011-05-09 | 2012-11-14 | 通用汽车环球科技运作有限责任公司 | Asymmetric stator teeth in an electric motor |
| CN202696296U (en) * | 2012-06-14 | 2013-01-23 | 珠海格力电器股份有限公司 | Stator lamination with biased air gap and stator iron core |
| CN203014508U (en) * | 2012-11-30 | 2013-06-19 | 浙江迪贝电气股份有限公司 | Pole shoe module for motor stator |
| CN203933178U (en) * | 2014-07-11 | 2014-11-05 | 长春工程学院 | A kind of stator laminating structure of motor |
| CN205004871U (en) * | 2015-09-01 | 2016-01-27 | 中山大洋电机股份有限公司 | Car motor |
| CN105449878A (en) * | 2015-12-16 | 2016-03-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor stator structure and motor |
| CN206135565U (en) * | 2016-09-26 | 2017-04-26 | 珠海凌达压缩机有限公司 | Motor stator lamination , motor stator structure and motor |
-
2016
- 2016-09-26 CN CN201610851762.1A patent/CN107872105A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1048287A (en) * | 1989-06-23 | 1991-01-02 | 胡利民 | Stator core and this motor unshakable in one's determination is arranged |
| US20010017500A1 (en) * | 2000-02-25 | 2001-08-30 | Hitachi, Ltd. | Vehicle use ac generator |
| CN2742657Y (en) * | 2003-11-18 | 2005-11-23 | 尹载东 | Generator using low power |
| CN1665100A (en) * | 2004-03-02 | 2005-09-07 | 丹福斯压缩器有限公司 | Stator of linear starting motor |
| DE102009019555A1 (en) * | 2009-04-30 | 2010-11-04 | Minebea Co., Ltd. | Iron core i.e. stator core, for electrical machine e.g. direct current motor, has multiple sheets stacked and rotated against each other around integral multiple of pole distance, and partial pole shoes formed in convex and concave shape |
| CN201623604U (en) * | 2010-03-05 | 2010-11-03 | 珠海格力电器股份有限公司 | Self-starting permanent magnet synchronous motor and compressor using the same |
| CN101814777A (en) * | 2010-03-25 | 2010-08-25 | 东莞艾科机电设备有限公司 | Electronic motor |
| CN201717761U (en) * | 2010-06-17 | 2011-01-19 | 广东美芝精密制造有限公司 | Permanent magnet synchronous motor for compressor |
| CN102780286A (en) * | 2011-05-09 | 2012-11-14 | 通用汽车环球科技运作有限责任公司 | Asymmetric stator teeth in an electric motor |
| CN202696296U (en) * | 2012-06-14 | 2013-01-23 | 珠海格力电器股份有限公司 | Stator lamination with biased air gap and stator iron core |
| CN102780374A (en) * | 2012-07-02 | 2012-11-14 | 佛山市威灵电子电器有限公司 | Stator punched plate of single-phase direct current brushless motor |
| CN203014508U (en) * | 2012-11-30 | 2013-06-19 | 浙江迪贝电气股份有限公司 | Pole shoe module for motor stator |
| CN203933178U (en) * | 2014-07-11 | 2014-11-05 | 长春工程学院 | A kind of stator laminating structure of motor |
| CN205004871U (en) * | 2015-09-01 | 2016-01-27 | 中山大洋电机股份有限公司 | Car motor |
| CN105449878A (en) * | 2015-12-16 | 2016-03-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor stator structure and motor |
| CN206135565U (en) * | 2016-09-26 | 2017-04-26 | 珠海凌达压缩机有限公司 | Motor stator lamination , motor stator structure and motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180403 |
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| RJ01 | Rejection of invention patent application after publication |