CN107332365B - Motor stator core and compressor - Google Patents
Motor stator core and compressor Download PDFInfo
- Publication number
- CN107332365B CN107332365B CN201710641032.3A CN201710641032A CN107332365B CN 107332365 B CN107332365 B CN 107332365B CN 201710641032 A CN201710641032 A CN 201710641032A CN 107332365 B CN107332365 B CN 107332365B
- Authority
- CN
- China
- Prior art keywords
- tooth
- motor stator
- stator core
- yoke portion
- datum axis
- 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.)
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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 setting are in the yoke portion (10) and to the datum axis (20) multiple teeth (30) outstanding, an arc apical tooth (31) is included at least in the multiple tooth (30) and one moves back tooth, the end face towards the datum axis (20) of the arc apical tooth (31) is arc surface, the arc surface forms the centre bore (50) with the datum axis (20) for center axis, the end face towards the datum axis (20) for moving back tooth is not overlapped with the end face of the arc apical tooth (31), and it at least partly deviates outward, so as to preferably be carried out while reducing Gas-gap Magnetic Field Resonance Wave Concentric locating, to control air gap precision.
Description
Technical field
The present invention relates to electro-mechanical arts, have motor stator core punching more particularly to motor stator core stamping sheet and application
The motor stator core and compressor of piece.
Background technique
Motor is widely used in the various manufacturing machines and equipment of motor drive as important energy conversion device
In.Important kind of the rotating electric machine as motor, including stator and rotor.And the rotor of setting within the compressor is general
Using cantilever design, due in rotor installation process, needing through the toolings tune such as clearance gauge only by unilateral bearing support
Whole air gap.
But the external arc of existing rotor core there must be the larger isocentric circular arc across angle, the presence of the circular arc makes
It obtains rotor optimization difficulty to increase, 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 arranged
At eccentric structure, then making the corresponding relationship between the periphery of rotor and the inner circumferential of stator is point-to-area relationship, is difficult to adjust gas
Gap precision.Therefore, how while reducing Gas-gap Magnetic Field Resonance Wave, can more easily control air gap precision just becomes this
Field technical problem urgently to be resolved.
Summary of the invention
The purpose of the invention is to overcome it is of the existing technology can not control while reducing Gas-gap Magnetic Field Resonance Wave
The problem of air gap precision, motor stator core stamping sheet is provided, the motor stator core formed using the motor stator core stamping sheet
Concentric locating can be preferably carried out while reducing Gas-gap Magnetic Field Resonance Wave, to control air gap precision.
To achieve the goals above, one aspect of the present invention provides a kind of motor stator core stamping sheet, including yoke portion, reference axis
Line and setting include at least an arc apical tooth in the yoke portion and to the datum axis multiple teeth outstanding in the multiple tooth
Tooth is moved back with one, the end face towards the datum axis of the arc apical tooth is arc surface, which forms with the base
Fiducial axis line is the centre bore of center axis, the end face towards the datum axis for the moving back tooth not end face with the arc apical tooth
It is overlapped, and at least partly deviates outward.
Preferably, the tooth includes that one end is connected to the extension in the yoke portion and extended in a radial direction, and connection
The extension the other end and be formed with coil between the circumferential direction of centre bore resistance line portion outstanding, the adjacent tooth
Slot, the coil slot have the opening for being connected to the centre bore.
Preferably, the yoke portion is cyclic annular yoke portion, and the multiple tooth is circumferentially uniformly configured in the interior of the cyclic annular yoke portion
Circumferential surface.
Preferably, the arc apical tooth is at least two, between two adjacent arc apical tooths between be separated with N number of described move back
Tooth, wherein N is the positive integer greater than 1.
Preferably, the arc apical tooth and the tooth that moves back are M, and alternate configuration in the cyclic annular yoke portion
Circumferential surface, wherein M is positive integer.
Preferably, the tooth that moves back includes flat-top tooth and/or convex arc apical tooth,
The end face towards the datum axis of the flat-top tooth is plane, which is parallel to or coincides in described
The outer section in heart hole, the convex arc apical tooth.The convex arc apical tooth towards the end face of the datum axis be arc surface, the arc surface
The center of circle outside the centre bore.
Second aspect of the present invention provides a kind of motor stator core, including stacked multiple above-mentioned motor stator core punchings
Piece.
Second aspect of the present invention provides another motor stator core, including stacked multiple institutes according to the above technical scheme
Motor stator core stamping sheet is stated, N number of tooth pitch angle or 1 tooth pitch angle are turned round between the adjacent motor stator core stamping sheet.
Second aspect of the present invention provides another motor stator core, including stacked multiple institutes according to the above technical scheme
State motor stator core stamping sheet, in 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 provides a kind of compressor, is provided with according to the above technical scheme in the compressor any
Motor stator core stamping sheet described in one, or the motor stator iron according to any one of power above-mentioned technical proposal
Core.
Through the above technical solutions, the arc surface by arc apical tooth is opposite with the outer peripheral surface of rotor, so as to easily
Air gap is adjusted using toolings such as clearance gauges, guarantees the concentric locating of stator and rotor.Moreover, because being set in motor stator core stamping sheet
It is equipped with and moves back tooth, so as to coincide with outer section of the plane from centre bore, or from the circumscribed lateral deviation that faces out from a spacing
From reducing the vibrating noise of motor so as to reduce the harmonic content of air-gap field.
Detailed description of the invention
Fig. 1 is a kind of top view of specific embodiment of motor stator core stamping sheet of the present invention.
Fig. 2 is the top view of another specific embodiment of motor stator core stamping sheet of the present invention.
Fig. 3 is a kind of perspective view of specific embodiment of motor stator core of the present invention.
Fig. 4 is the partial enlarged view of the tooth 30 of specific embodiment shown in Fig. 3.
Fig. 5 is the perspective view of another specific embodiment of motor stator core of the present invention.
Fig. 6 is the partial enlarged view of the tooth 30 of specific embodiment shown in Fig. 5.
Fig. 7 is the use state diagram of motor stator core of the present invention.
Description of symbols
3 rotor, 4 stator
5 first stators, 6 second stator of core stamping that interlocks interlocks core stamping
10 yoke portions
20 datum axis, 30 tooth
31 arc apical tooth, 32 flat-top tooth
34 convex arc apical tooths
40 coil slot, 50 centre bore
60 extensions 70 hinder line portion
Specific embodiment
In the present invention, in the absence of explanation to the contrary, the noun of locality used such as " upper and lower, left and right " typically refers to
With reference to the upper and lower, left and right of attached drawing." inside and outside " refers to relative to the inside and outside of component profile itself.In addition, term " first ",
" second " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance or implicitly indicates indicated technology
The quantity of feature." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one spy
Sign.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise clearly specific
It limits.
The present invention provides a kind of motor stator core stamping sheet, including yoke portion 10, datum axis 20 and setting yoke portion 10 simultaneously
To the multiple teeth 30 outstanding of datum axis 20, an arc apical tooth 31 is included at least in multiple teeth 30 and one moves back tooth, arc apical tooth
31 end face towards datum axis 20 is arc surface, which forms the centre bore 50 with datum axis 20 for center axis,
The end face towards the datum axis 20 for moving back tooth is not overlapped with the end face of arc apical tooth 31, and at least partly outside lateral deviation
It moves.
Wherein, datum axis 10 is in the rotation of the rotor 3 rotated in the stator 4 being made of the motor stator core
Mandrel.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 opposite with the outer peripheral surface of rotor 3 by the arc surface of arc apical tooth 31, so as to easily with toolings such as clearance gauges
Air gap is adjusted, guarantees the concentric locating of stator and rotor.Tooth is moved back moreover, because being provided in motor stator core stamping sheet, from
And outer section of the plane from centre bore 50 can be coincided with, or from the circumscribed lateral deviation that faces out with a certain distance from, so as to
The harmonic content for reducing air-gap field, reduces the vibrating noise of motor.
As a kind of specific embodiment, as depicted in figs. 1 and 2, tooth 30 includes that one end is connected in yoke portion 10 and along diameter
The extension 60 extended to direction, and it is connected to the other end of extension 60 and along the circumferential direction of centre bore 50 resistance line portion outstanding
70.It is connected in yoke portion 10 to the circle transition of extension 60, the outer profile in extension 60 and resistance line portion 70 is formed as symmetric figure.Phase
Coil slot 40 is formed between adjacent tooth 30, coil slot 40 has the opening for being connected to centre bore 50.In the present invention, yoke portion 10 connects
Multiple teeth 30 are connected to, and can be various shape, preferably yoke portion 10 is cyclic annular yoke portion, and multiple teeth 30 are circumferentially uniformly configured in ring
The inner peripheral surface in shape yoke portion.And in rotating electric machine, at most use circular yoke portion 10.
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 move back tooth, wherein N is
Positive integer greater than 1.Such as 2,3 or more can be spaced.It is preferred that arc apical tooth as depicted in figs. 1 and 2 31 and to move back tooth equal
It is M, and alternates configuration in the inner peripheral surface in the cyclic annular yoke portion, wherein M is positive integer.I.e. arc apical tooth 31 and move back tooth at
To circumferentially configuring.
The tooth that moves back can be various curved surfaces, as long as it at least partly faces out lateral deviation from the circumscribed of centre bore 50
Shifting.As a kind of specific embodiment of the invention, i.e. the first stator interlocks core stamping 5, as shown in Figure 1, moving back tooth
The end face towards datum axis 20 for flat-top tooth 32, flat-top tooth 32 is plane, which is parallel to or coincides in described
The outer section in heart hole 50.
As another embodiment of the invention, i.e. the second stator interlocks core stamping 6, as shown in Fig. 2, described move back
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, which includes stacked multiple according to upper
State motor stator core stamping sheet described in technical solution any one.Motor stator core stamping sheet being capable of various assembled arrangement form sides
Formula is stacked, and forms motor stator core using the existing method that can be used in core stamping combination.
As a preferred embodiment, motor stator core includes stacked multiple described according to the above technical scheme
Motor stator core stamping sheet turns round N number of tooth pitch angle or 1 tooth pitch angle between the adjacent motor stator core stamping sheet.Such as
Shown in Fig. 3 and Fig. 4, arc apical tooth 31 and to move back tooth be 6, and configuration is alternateed in the inner peripheral surface in the cyclic annular 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
Multiple motor stator core stamping sheets along 20 one end of datum axis of core turn round N number of tooth pitch angle or 1 tooth pitch angle.Such as
Shown in Fig. 5 and Fig. 6, arc apical tooth 31 and to move back tooth be 6, and configuration is alternateed in the inner peripheral surface in the cyclic annular yoke portion, position
1 tooth pitch angle is turned round in 5 motor stator core stamping sheets along 20 one end of datum axis of the motor stator core.
That is, multiple motor stator core stamping sheets of N number of tooth pitch angle or 1 tooth pitch angle will be turned round as revolution
Group, as group is not turned round, group is not turned round in above-mentioned revolution combination to be alternately superimposed on the multiple motor stator core stamping sheets not turned round.
The present invention also provides a kind of compressor, any one of according to the above technical scheme institute is provided in the compressor
The motor stator core stamping sheet stated, or any one of according to the above technical scheme described in motor stator core.
It is described the prefered embodiments of the present invention in detail above in conjunction with attached drawing, still, the present invention is not limited thereto.At this
, can be with various simple variants of the technical solution of the present invention are made in the range of the technology design of invention, including each particular technique
Feature is combined in any suitable manner.In order to avoid unnecessary repetition, the present invention is to various combinations of possible ways
No further explanation will be given.But it should also be regarded as the disclosure of the present invention for these simple variants and combination, belongs to the present invention
Protection scope.
Claims (4)
1. a kind of motor stator core, including stacked multiple motor stator core stamping sheets, which includes
Yoke portion (10), datum axis (20) and setting are in the yoke portion (10) and to the datum axis (20) multiple teeth outstanding
(30), the yoke portion (10) is cyclic annular yoke portion, and the multiple tooth (30) is circumferentially uniformly configured in the inner circumferential in the cyclic annular yoke portion
Face simultaneously moves back tooth including M arc apical tooth (31) and M, and alternates the inner peripheral surface configured in the cyclic annular yoke portion, and wherein M is
Positive integer,
The end face towards the datum axis (20) of the arc apical tooth (31) is arc surface, which forms with the benchmark
Axis (20) is the centre bore (50) of center axis,
The end face towards the datum axis (20) for moving back tooth is not overlapped with the end face of the arc apical tooth (31), and at least
Part deviates outward,
It is characterized in that, 1 tooth pitch angle is turned round between the adjacent motor stator core stamping sheet, alternatively, the motor stator
The multiple motors along the datum axis (20) one end for being located at least in the motor stator core in core stamping are fixed
Sub- core stamping turns round 1 tooth pitch angle.
2. motor stator core according to claim 1, which is characterized in that the tooth (30) includes described in one end is connected to
In yoke portion (10) and the extension (60) that extends in a radial direction, and it is connected to the other end of the extension (60) and along described
The circumferential direction of centre bore resistance line portion (70) outstanding is formed with coil slot (40) between the adjacent tooth (30), the coil slot
(40) there is the opening for being connected to the centre bore (50).
3. motor stator core according to claim 1 or 2, which is characterized in that the tooth that moves back includes flat-top tooth (32)
And/or convex arc apical tooth (34),
The end face towards the datum axis (20) of the flat-top tooth (32) is plane, which is parallel to or coincides with institute
The outer section of centre bore (50) is stated,
The end face towards the datum axis (20) of the convex arc apical tooth (34) is arc surface, and the center of circle of the arc surface is described
Centre bore (50) is outside.
4. a kind of compressor, which is characterized in that be provided in the compressor according to claim 1 described in any one of -3
Motor stator core.
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 CN107332365A (en) | 2017-11-07 |
| CN107332365B true 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) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN115118034A (en) * | 2021-03-17 | 2022-09-27 | 福特全球技术公司 | Stator core and cooling method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2003088078A (en) * | 2001-09-07 | 2003-03-20 | Nippon Densan Corp | Brushless dc motor |
| 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 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100292492B1 (en) * | 1998-03-16 | 2001-06-01 | 구자홍 | Motor having deformed air-gap |
| JP2002136003A (en) * | 2000-10-24 | 2002-05-10 | Mitsubishi Electric Corp | Stator for rotating electric machine |
| 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 |
| JP2010166810A (en) * | 2010-03-26 | 2010-07-29 | Mitsubishi Electric Corp | Stator of rotating electrical machine |
| JP2010263786A (en) * | 2010-08-23 | 2010-11-18 | Mitsubishi Electric Corp | Method of manufacturing rotary electric machine |
| CN102570734B (en) * | 2012-01-20 | 2013-09-25 | 上海理工大学 | Method for overlaying double radial magnetic field linear rotating motor stators with high starting thrust force |
| 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 |
| 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 |
| 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 |
-
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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| JP2003088078A (en) * | 2001-09-07 | 2003-03-20 | Nippon Densan Corp | Brushless dc motor |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019024688A1 (en) | 2019-02-07 |
| CN107332365A (en) | 2017-11-07 |
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