CN107332365A - Motor stator core stamping sheet, motor stator core and compressor - Google Patents
Motor stator core stamping sheet, motor stator core and compressor Download PDFInfo
- Publication number
- CN107332365A CN107332365A CN201710641032.3A CN201710641032A CN107332365A CN 107332365 A CN107332365 A CN 107332365A CN 201710641032 A CN201710641032 A CN 201710641032A CN 107332365 A CN107332365 A CN 107332365A
- Authority
- CN
- China
- Prior art keywords
- tooth
- stator core
- motor stator
- core stamping
- 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.)
- Granted
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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
-
- 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
- H02K2201/03—Machines characterised by aspects of the air-gap between rotor and stator
Abstract
The present invention relates to electro-mechanical arts, disclose a kind of motor stator core stamping sheet, motor stator core and compressor, the motor stator core stamping sheet includes yoke portion (10), datum axis (20) and it is arranged on the yoke portion (10) and the multiple teeth (30) prominent to the datum axis (20), tooth is moved after at least including an arc apical tooth (31) and one in the multiple tooth (30), the end face of the direction datum axis (20) of the arc apical tooth (31) is arc surface, the centre bore (50) of arc surface formation axle centered on the datum axis (20), end face of the end face of the direction datum axis (20) of shifting tooth not with the arc apical tooth (31) is overlapped after described, and at least partly offset laterally, so as to preferably carry out concentric locating while Gas-gap Magnetic Field Resonance Wave is reduced, to control air gap precision.
Description
Technical field
The present invention relates to electro-mechanical arts, there is motor stator core punching more particularly to motor stator core stamping sheet and application
The motor stator core and compressor of piece.
Background technology
Motor is widely used in the various manufacturing machines and equipment of motor driving as important energy conversion device
In.Electric rotating machine is used as the important kind of motor, including stator and rotor.And the rotor of setting within the compressor is general
Using cantilever design, due to only by unilateral bearings, therefore adjusted in rotor installation process, it is necessary to pass through the frocks such as clearance gauge
Whole air gap.
But, the external arc of existing rotor core there must be the larger isocentric circular arc across angle, and the presence of the circular arc makes
Rotor optimization difficulty increase is obtained, it is difficult to reduce Gas-gap Magnetic Field Resonance Wave.In order to reduce Gas-gap Magnetic Field Resonance Wave, rotor outer circle arc is set
Into eccentric structure, then it is point-to-area relation to make the corresponding relation between the periphery of rotor and the inner circumferential of stator, it is difficult to adjust gas
Gap precision.Therefore, how while Gas-gap Magnetic Field Resonance Wave is reduced, air gap precision can be more easily controlled just to become this
Field technical problem urgently to be resolved hurrily.
The content of the invention
The invention aims to overcome can not being controlled while Gas-gap Magnetic Field Resonance Wave is reduced for prior art presence
The problem of air gap precision, there is provided motor stator core stamping sheet, utilizes the motor stator core of motor stator core stamping sheet composition
Concentric locating can be preferably carried out while Gas-gap Magnetic Field Resonance Wave is reduced, to control air gap precision.
To achieve these goals, one aspect of the present invention provides a kind of motor stator core stamping sheet, including yoke portion, reference axis
Line and the yoke portion is arranged on and the multiple teeth prominents to the datum axis, at least including an arc apical tooth in the multiple tooth
With one after move tooth, the end face of the direction datum axis of the arc apical tooth is arc surface, and arc surface formation is with the base
The centre bore of axle centered on fiducial axis line, it is described after move tooth the direction datum axis end face end face not with the arc apical tooth
Overlap, and at least partly offset laterally.
Preferably, the tooth is connected to the extension in the yoke portion and extended in a radial direction, and connection including one end
Coil is formed between the resistance line portion that the other end in the extension and the circumference along the centre bore are protruded, the adjacent tooth
Groove, the coil groove has the opening for being communicated in the centre bore.
Preferably, the yoke portion is ring-type yoke portion, and the multiple tooth is circumferentially uniformly configured in the interior of the ring-type yoke portion
Side face.
Preferably, the arc apical tooth is separated with N number of rear shifting between being between at least two, two adjacent arc apical tooths
Tooth, wherein N are the positive integer more than 1.
Preferably, the arc apical tooth and it is described after to move tooth be M, and alternate configuration in the ring-type yoke portion
Side face, wherein M are positive integer.
Preferably, the rear tooth that moves includes flat-top tooth and/or convex arc apical tooth,
The end face of the direction datum axis of the flat-top tooth be plane, the plane parallel to or coincide with it is described in
The outer tangent plane in heart hole, the convex arc apical tooth.The end face of the convex arc apical tooth towards the datum axis is arc surface, the arc surface
The center of circle outside the centre bore.
Second aspect of the present invention, which is provided in a kind of motor stator core, including the multiple 1-6 according to claim being stacked, appoints
One motor stator core stamping sheet of meaning.
Second aspect of the present invention provides another motor stator core, including stacked multiple according to above-mentioned technical proposal institute
State and N number of tooth pitch angle or 1 tooth pitch angle are turned round between motor stator core stamping sheet, the adjacent motor stator core stamping sheet.
Second aspect of the present invention provides another motor stator core, including stacked multiple according to above-mentioned technical proposal institute
State in motor stator core stamping sheet, the motor stator core stamping sheet be located at least in the motor stator core along the base
Multiple motor stator core stamping sheets of fiducial axis line one end turn round N number of tooth pitch angle or 1 tooth pitch angle.
Third aspect present invention, which is provided, to be provided with a kind of compressor, the compressor according to any in above-mentioned technical proposal
Motor stator core stamping sheet described in one, or the motor stator iron according to any one in power above-mentioned technical proposal
Core.
It is relative by the arc surface of arc apical tooth and the outer peripheral face of rotor by above-mentioned technical proposal, so as to easily
Air gap is adjusted using frocks such as clearance gauges, it is ensured that the concentric locating of stator and rotor.It is additionally, since in motor stator core stamping sheet and sets
Tooth is moved after being equipped with, so as to coincide with outer tangent plane of the plane from centre bore, or from the circumscribed lateral deviation that faces out from a spacing
From so as to reduce the harmonic content of air-gap field, the vibrating noise of reduction motor.
Brief description of the drawings
Fig. 1 is a kind of top view of embodiment of motor stator core stamping sheet of the present invention.
Fig. 2 is the top view of another embodiment of motor stator core stamping sheet of the present invention.
Fig. 3 is a kind of stereogram of embodiment of motor stator core of the present invention.
Fig. 4 is the partial enlarged drawing of the tooth 30 of embodiment shown in Fig. 3.
Fig. 5 is the stereogram of another embodiment of motor stator core of the present invention.
Fig. 6 is the partial enlarged drawing of the tooth 30 of embodiment shown in Fig. 5.
Fig. 7 is the use state schematic diagram of motor stator core of the present invention.
Description of reference numerals
The stator of 3 rotor 4
5 first stators interlock the stator of core stamping 6 second staggeredly core stamping
10 yoke portions
The tooth of 20 datum axis 30
The flat-top tooth of 31 arc apical tooth 32
34 convex arc apical tooths
The centre bore of 40 coil groove 50
60 extensions 70 resistance line portion
Embodiment
In the present invention, in the case where not making opposite explanation, the noun of locality used such as " upper and lower, left and right " is typically referred to
The upper and lower, left and right of refer to the attached drawing." inside and outside " refers to inside and outside relative to part profile itself.In addition, term " first ",
" second " is only used for describing purpose, and it is not intended that indicating or implying relative importance or imply the technology indicated by indicating
The quantity of feature.Thus, " first " is defined, at least one spy can be expressed or be implicitly included to the feature of " second "
Levy.In the description of the invention, " multiple " are meant that at least two, such as two, three etc., unless otherwise clearly specific
Limit.
The present invention provides a kind of motor stator core stamping sheet, including yoke portion 10, datum axis 20 and is arranged on yoke portion 10 simultaneously
Tooth, arc apical tooth are moved after at least including an arc apical tooth 31 and one in multiple teeth 30 prominent to datum axis 20, multiple teeth 30
31 end face towards datum axis 20 is arc surface, and the arc surface forms the centre bore 50 of the axle centered on datum axis 20,
End face of the end face of the direction datum axis 20 of shifting tooth not with arc apical tooth 31 is overlapped after described, and at least partly outside lateral deviation
Move.
Wherein, in rotation of the datum axis 10 for the rotor 3 rotated in the stator 4 being made up of the motor stator core
Heart axle.As shown in fig. 7, the centre bore 50 and stator inner circle are concentric.It is preferred that the thickness of motor stator core stamping sheet is identical, and it is
Same material, such as cold-reduced silicon sheet.
It is relative with the outer peripheral face of rotor 3 by the arc surface of arc apical tooth 31, so as to easily with frocks such as clearance gauges
Adjust air gap, it is ensured that the concentric locating of stator and rotor.It is additionally, since after being provided with motor stator core stamping sheet and moves tooth, from
And outer tangent plane of the plane from centre bore 50 can be coincided with, or from the circumscribed lateral deviation that faces out from a certain distance from, so as to
The harmonic content of air-gap field is reduced, the vibrating noise of motor is reduced.
As a kind of embodiment, as depicted in figs. 1 and 2, tooth 30 is connected in yoke portion 10 including one end and along footpath
The extension 60 extended to direction, and it is connected to the resistance line portion of the other end of extension 60 and the circumference protrusion along centre bore 50
70.It is connected in yoke portion 10 to the circle transition of extension 60, the outline in extension 60 and resistance line portion 70 is formed as symmetric figure.Phase
Coil groove 40 is formed between adjacent tooth 30, coil groove 40 has the opening for being communicated in centre bore 50.In the present invention, yoke portion 10 connects
Multiple teeth 30 are connected to, and can be variously-shaped, preferably yoke portion 10 is ring-type yoke portion, and multiple teeth 30 are circumferentially uniformly configured in ring
The inner peripheral surface in shape yoke portion.And in electric rotating machine, at most use the yoke portion 10 of annular shape.
Arc apical tooth 31 is at least two, between two adjacent arc apical tooths 31 between be separated with it is N number of it is described after move tooth, wherein N is
Positive integer more than 1.2,3 or more can be for example spaced.It is preferred that arc apical tooth 31 and rear shifting tooth are equal as depicted in figs. 1 and 2
For M, and inner peripheral surface of the configuration in the ring-type yoke portion is alternateed, wherein M is positive integer.I.e. arc apical tooth 31 and it is rear move tooth into
To circumferentially configuring.
It to be various curved surfaces that tooth is moved after described, as long as its at least part faces out lateral deviation from the circumscribed of centre bore 50
Shifting.As a kind of embodiment of the present invention, i.e. the first stator interlocks core stamping 5, as shown in figure 1, after move tooth
For flat-top tooth 32, the end face towards datum axis 20 of flat-top tooth 32 is plane, the plane parallel to or coincide with it is described in
The outer tangent plane in heart hole 50.
Interlock core stamping 6 as another embodiment of the invention, i.e. the second stator, as shown in Fig. 2 being moved after described
Tooth is convex arc apical tooth 34.The convex arc apical tooth 34 is arc surface towards the end face of datum axis 20, and the center of circle of the arc surface is at center
Outside hole 50.
In addition, the present invention also provides a kind of motor stator core, the motor stator core is multiple according to upper including what is be stacked
State motor stator core stamping sheet described in technical scheme any one.Motor stator core stamping sheet being capable of various assembled arrangement form sides
Formula is stacked, and utilizes the existing method formation motor stator core that can be used in core stamping combination.
As a preferred embodiment, motor stator core is multiple according to above-mentioned technical proposal including what is be stacked
N number of tooth pitch angle or 1 tooth pitch angle are turned round between motor stator core stamping sheet, the adjacent motor stator core stamping sheet.Such as
Shown in Fig. 3 and Fig. 4, arc apical tooth 31 and the rear tooth that moves are 6, and alternate inner peripheral surface of the configuration in the ring-type yoke portion, phase
1 tooth pitch angle is turned round between the adjacent motor stator core stamping sheet.
As another preferred embodiment, the motor stator iron is located at least in the motor stator core stamping sheet
Core along multiple motor stator core stamping sheets of the one end of datum axis 20 turns round N number of tooth pitch angles or 1 tooth pitch angle.Such as
Shown in Fig. 5 and Fig. 6, arc apical tooth 31 and the rear tooth that moves are 6, and alternate inner peripheral surface of the configuration in the ring-type yoke portion, position
1 tooth pitch angle is turned round in 5 motor stator core stamping sheets along the one end of datum axis 20 of the motor stator core.
That is, regarding the multiple motor stator core stamping sheets for turning round N number of tooth pitch angle or 1 tooth pitch angle as revolution
Group, the multiple motor stator core stamping sheets not turned round are not as group is turned round, and group is not turned round in above-mentioned revolution combination, which, to be alternately superimposed on.
The present invention, which is also provided, to be provided with a kind of compressor, the compressor according to any one institute in above-mentioned technical proposal
The motor stator core stamping sheet stated, or the motor stator core according to any one in above-mentioned technical proposal.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, still, the present invention is not limited thereto.At this
In the range of the technology design of invention, a variety of simple variants, including each particular technique can be carried out to technical scheme
Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various possible combinations
No longer separately illustrate.But these simple variants and combination should equally be considered as content disclosed in this invention, belong to the present invention
Protection domain.
Claims (10)
1. a kind of motor stator core stamping sheet, it is characterised in that including yoke portion (10), datum axis (20) and be arranged on the yoke
At least include an arc apical tooth in portion (10) and multiple teeth (30) prominent to the datum axis (20), the multiple tooth (30)
(31) tooth and after one is moved,
The end face of the direction datum axis (20) of the arc apical tooth (31) is arc surface, and arc surface formation is with the benchmark
The centre bore (50) of axle centered on axis (20),
End face of the end face of the direction datum axis (20) of shifting tooth not with the arc apical tooth (31) is overlapped after described, and at least
Part is offset laterally.
2. motor stator core stamping sheet according to claim 1, it is characterised in that the tooth (30) is connected to including one end
On the yoke portion (10) and the extension (60) that extends in a radial direction, and it is connected to the other end and the edge of the extension (60)
Coil groove (40), the coil are formed between the resistance line portion (70) that the circumference of the centre bore is protruded, the adjacent tooth (30)
Groove (40) has the opening for being communicated in the centre bore (50).
3. motor stator core stamping sheet according to claim 1, it is characterised in that the yoke portion (10) is ring-type yoke portion,
The multiple tooth (30) is circumferentially uniformly configured in the inner peripheral surface in the ring-type yoke portion.
4. the motor stator core stamping sheet according to any one in claim 1-3, it is characterised in that the arc apical tooth
(31) be at least two, between two adjacent arc apical tooths (31) between be separated with it is N number of it is described after move tooth, wherein N is more than 1
Positive integer.
5. the motor stator core stamping sheet according to any one in claim 1-3, it is characterised in that the arc apical tooth
(31) it is M and after described to move tooth, and alternates inner peripheral surface of the configuration in the ring-type yoke portion, and wherein M is positive integer.
6. the motor stator core stamping sheet according to any one in claim 1-3, it is characterised in that tooth bag is moved after described
Flat-top tooth (32) and/or convex arc apical tooth (34) are included,
The end face of the direction datum axis (20) of the flat-top tooth (32) is plane, the plane parallel to or coincide with institute
The outer tangent plane of centre bore (50) is stated,
The convex arc apical tooth (34).The convex arc apical tooth (34) towards the datum axis (20) end face be arc surface, the circle
The center of circle of cambered surface in the centre bore (50) outside.
7. a kind of motor stator core, it is characterised in that including described in any one in stacked multiple 1-6 according to claim
Motor stator core stamping sheet.
8. a kind of motor stator core, it is characterised in that including stacked multiple motor stators according to claim 4 or 5
N number of tooth pitch angle or 1 tooth pitch angle are turned round between core stamping, the adjacent motor stator core stamping sheet.
9. a kind of motor stator core, it is characterised in that including stacked multiple motor stators according to claim 4 or 5
In core stamping, the motor stator core stamping sheet be located at least in the motor stator core along the datum axis (20)
Multiple motor stator core stamping sheets of one end turn round N number of tooth pitch angle or 1 tooth pitch angle.
10. a kind of compressor, it is characterised in that be provided with the compressor according to any one in claim 1-6
Motor stator core stamping sheet, or the motor stator core according to any one in claim 7-9.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641032.3A CN107332365B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
| PCT/CN2018/096303 WO2019024688A1 (en) | 2017-07-31 | 2018-07-19 | Core lamination of motor stator, core of motor stator, and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641032.3A CN107332365B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107332365A true CN107332365A (en) | 2017-11-07 |
| CN107332365B CN107332365B (en) | 2019-07-09 |
Family
ID=60227051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710641032.3A Active CN107332365B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107332365B (en) |
| WO (1) | WO2019024688A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024688A1 (en) * | 2017-07-31 | 2019-02-07 | 广东威灵电机制造有限公司 | Core lamination of motor stator, core of motor stator, and compressor |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115118034A (en) * | 2021-03-17 | 2022-09-27 | 福特全球技术公司 | Stator core and cooling method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229300A (en) * | 1998-03-16 | 1999-09-22 | Lg电子株式会社 | Motor having air-gaps in various types |
| CN1263370A (en) * | 1999-02-12 | 2000-08-16 | 东芝株式会社 | Permanent magnet type motor and washing machine equipped with said motor |
| JP2002136003A (en) * | 2000-10-24 | 2002-05-10 | Mitsubishi Electric Corp | Stator for rotating electric machine |
| JP2003088078A (en) * | 2001-09-07 | 2003-03-20 | Nippon Densan Corp | Brushless dc motor |
| JP2010166810A (en) * | 2010-03-26 | 2010-07-29 | Mitsubishi Electric Corp | Stator of rotating electrical machine |
| CN101860130A (en) * | 2010-04-08 | 2010-10-13 | 上海理工大学 | Method for folding and compressing lamination of stator of radial magnetic field linear rotating motor through rotating and displacing |
| JP2010263786A (en) * | 2010-08-23 | 2010-11-18 | Mitsubishi Electric Corp | Method of manufacturing rotary electric machine |
| CN102570734A (en) * | 2012-01-20 | 2012-07-11 | 上海理工大学 | Method for overlaying double radial magnetic field linear rotating motor stators with high starting thrust force |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007166710A (en) * | 2005-12-09 | 2007-06-28 | Toyota Motor Corp | Rotating electric machine |
| US8461739B2 (en) * | 2009-09-25 | 2013-06-11 | Ford Global Technologies, Llc | Stator for an electric machine |
| CN203233246U (en) * | 2013-04-18 | 2013-10-09 | 广东威灵电机制造有限公司 | Stator iron core lamination unit, stator and induction motor |
| CN205986394U (en) * | 2016-09-05 | 2017-02-22 | 珠海格力节能环保制冷技术研究中心有限公司 | Permanent -magnet machine and compressor |
| CN107332365B (en) * | 2017-07-31 | 2019-07-09 | 广东威灵电机制造有限公司 | Motor stator core and compressor |
| CN107332369B (en) * | 2017-07-31 | 2019-11-15 | 广东威灵电机制造有限公司 | Motor stator core and compressor |
-
2017
- 2017-07-31 CN CN201710641032.3A patent/CN107332365B/en active Active
-
2018
- 2018-07-19 WO PCT/CN2018/096303 patent/WO2019024688A1/en active Application Filing
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1229300A (en) * | 1998-03-16 | 1999-09-22 | Lg电子株式会社 | Motor having air-gaps in various types |
| CN1263370A (en) * | 1999-02-12 | 2000-08-16 | 东芝株式会社 | Permanent magnet type motor and washing machine equipped with said motor |
| JP2002136003A (en) * | 2000-10-24 | 2002-05-10 | Mitsubishi Electric Corp | Stator for rotating electric machine |
| JP2003088078A (en) * | 2001-09-07 | 2003-03-20 | Nippon Densan Corp | Brushless dc motor |
| JP2010166810A (en) * | 2010-03-26 | 2010-07-29 | Mitsubishi Electric Corp | Stator of rotating electrical machine |
| CN101860130A (en) * | 2010-04-08 | 2010-10-13 | 上海理工大学 | Method for folding and compressing lamination of stator of radial magnetic field linear rotating motor through rotating and displacing |
| JP2010263786A (en) * | 2010-08-23 | 2010-11-18 | Mitsubishi Electric Corp | Method of manufacturing rotary electric machine |
| CN102570734A (en) * | 2012-01-20 | 2012-07-11 | 上海理工大学 | Method for overlaying double radial magnetic field linear rotating motor stators with high starting thrust force |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019024688A1 (en) * | 2017-07-31 | 2019-02-07 | 广东威灵电机制造有限公司 | Core lamination of motor stator, core of motor stator, and compressor |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019024688A1 (en) | 2019-02-07 |
| CN107332365B (en) | 2019-07-09 |
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