CN107332369B - Motor stator core and compressor - Google Patents
Motor stator core and compressor Download PDFInfo
- Publication number
- CN107332369B CN107332369B CN201710642576.1A CN201710642576A CN107332369B CN 107332369 B CN107332369 B CN 107332369B CN 201710642576 A CN201710642576 A CN 201710642576A CN 107332369 B CN107332369 B CN 107332369B
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- CN
- China
- Prior art keywords
- stator core
- tooth
- motor stator
- core stamping
- stamping sheet
- 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
- H02K1/14—Stator cores with salient poles
-
- 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
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The present invention relates to electro-mechanical arts, disclose a kind of motor stator core and compressor, the motor stator core includes stacked multiple motor stator core stamping sheets, the motor stator core stamping sheet includes yoke portion (10), datum axis (20) and multiple teeth (30), it include at least two first stator core stamping sheets (1) and at least two second stator core stamping sheets (2) in the multiple motor stator core stamping sheet, the multiple tooth of first stator core stamping sheet is arc apical tooth (31), the end face 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 multiple tooth of second stator core stamping sheet is for flat-top tooth (32), the end face of the flat-top tooth (32) is plane, the plane be parallel to or The outer section of the centre bore (50) is coincided with, concentric locating can be preferably carried out while reducing Gas-gap Magnetic Field Resonance Wave, to control air gap precision.
Description
Technical field
The present invention relates to electro-mechanical arts, there is the compression of the motor stator core more particularly to motor stator core and application
Machine.
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 is provided, which can be while reducing Gas-gap Magnetic Field Resonance Wave more
Concentric locating is carried out, well to control air gap precision.
To achieve the goals above, one aspect of the present invention provides a kind of motor stator core, including stacked multiple motors
Stator core stamping sheet, the motor stator core stamping sheet include yoke portion, datum axis and setting in the yoke portion and to the base
Fiducial axis line multiple teeth outstanding include at least two first stator core stamping sheets and extremely in the multiple motor stator core stamping sheet
Few two the second stator core stamping sheets, the multiple tooth of first stator core stamping sheet is arc apical tooth, the arc apical tooth
The end face towards the datum axis be arc surface, the arc surface formed using the datum axis as the centre bore of center axis,
The multiple tooth of second stator core stamping sheet is for flat-top tooth, the end towards the datum axis of the flat-top tooth
Face is plane, which is parallel to or coincides with the outer section of the centre bore.
Preferably, first stator core stamping sheet and second stator core stamping sheet are alternately superimposed on.
Preferably, first stator core stamping sheet be located at least in the motor stator core along the datum axis
Both ends.
Preferably, multiple first stator core stamping sheets are stacked forms the first stator core group, and the multiple second is fixed
Sub- core stamping is stacked to form the second stator core group, and the first stator core group and the second stator core group are alternately folded
It sets.
Preferably, the quantity of first stator core stamping sheet is less than the quantity of second stator core stamping sheet.
Preferably, the yoke portion is cyclic annular yoke portion, and the multiple tooth is uniformly distributed circumferentially in the cyclic annular yoke portion
Circumferential surface.
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 along the circumferential direction of centre bore resistance line portion outstanding.
Preferably, coil slot is formed between the adjacent tooth, the coil slot, which has, is connected to opening for the centre bore
Mouthful.
Preferably, the plane is from the circumscribed lateral deviation that faces out of the centre bore with a certain distance from.
Second aspect of the present invention provides a kind of compressor, be provided in the compressor open according to the above technical scheme it is any one
Motor stator core described in.
Through the above technical solutions, the first stator core stamping sheet and the second stator core stamping sheet are alternately superimposed on, to utilize
The arc surface of first stator core stamping sheet and the outer peripheral surface of rotor are opposite, so as to adjust gas easily with toolings such as clearance gauges
Gap guarantees the concentric locating of stator and rotor.And center is parallel to or coincided with since the second stator core stamping sheet has
The plane of the outer section in hole reduces 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 perspective view of specific embodiment of motor stator core of the present invention.
Fig. 2 is the partial enlarged view of the tooth 30 of specific embodiment shown in Fig. 1.
Fig. 3 is the perspective view of another 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 a kind of specific embodiment of the first stator core stamping sheet 1 in motor stator core of the present invention
Top view.
Fig. 6 is a kind of specific embodiment of the second stator core stamping sheet 2 in motor stator core of the present invention
Top view.
Fig. 7 is the use state diagram of motor stator core of the present invention.
Description of symbols
1 first stator core stamping sheet, 2 second stator core stamping sheet
3 rotor, 4 stator
10 yoke portions
20 datum axis, 30 tooth
31 arc apical tooth, 32 flat-top tooth
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, including stacked multiple motor stator core stamping sheets, motor stator iron
Core punching includes yoke portion 10, datum axis 20 and setting in yoke portion 10 and to the multiple teeth 30, Duo Ge electricity outstanding of datum axis 20
In machine stator core stamping include at least two first stator core stamping sheets 1 and at least two second stator core stamping sheets 2, first
Multiple teeth 30 of stator core stamping sheet 1 are arc apical tooth 31, and the end face towards datum axis 20 of the arc apical tooth 31 is circular arc
Face, the arc surface form the centre bore 50 with datum axis 20 for center axis, and multiple teeth 30 of the second stator core stamping sheet 2 are
The end face towards datum axis 20 for flat-top tooth 32, flat-top tooth 32 is plane, which is parallel to or coincides with centre bore
50 outer section.
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 first stator core stamping sheet and the second stator core
The thickness of punching is identical, and the permeability magnetic material for forming the first stator core stamping sheet and the second stator core stamping sheet is same material, example
Such as cold-reduced silicon sheet.
First stator core stamping sheet 1 and the second stator core stamping sheet 2 can various assembled arrangement form modes it is stacked, and benefit
Motor stator core is formed with the existing method that can be used in core stamping combination.
As a kind of preferred embodiment of the invention, as depicted in figs. 1 and 2, the first stator core stamping sheet 1 and second is fixed
Sub- core stamping 2 is alternately superimposed on, thus it is opposite with the outer peripheral surface of rotor 3 using the arc surface of the first stator core stamping sheet 1, thus
Air gap can be adjusted easily with toolings such as clearance gauges, guarantee the concentric locating of stator and rotor.And due to the second stator iron
Core punching 2 has the plane for the outer section for being parallel to or coinciding with centre bore 50, so as to reduce the harmonic wave of air-gap field
Content reduces the vibrating noise of motor.
In addition, as shown in Figure 2 and Figure 4, preferably the first stator core stamping sheet 1 be located at least in motor stator core along benchmark
The both ends of axis 20, to provide more reliable fulcrum to toolings such as clearance gauges.
In addition it is possible to which multiple first stator core stamping sheets 1 the first stator core group of stacked formation is determined multiple second
Sub- core stamping 2 is stacked to form the second stator core group, is alternately superimposed on the first stator core group and the second stator core group.It is excellent
Select the composing quantity of the first stator core group and the second stator core group identical respectively, and preferably even numbers, for example, such as Fig. 3 and
Shown in Fig. 4, two the first stator core stamping sheets 1 constitute the first stator core group, and eight the second stator core stamping sheets 2 constitute second
Stator core group.In addition, the first stator core group also being capable of first stator core stamping sheet 1 shape different by composing quantity respectively
At, such as the first stator core group along 20 lower end of datum axis of motor stator core will be located at by four the first stator cores
Punching 1 is formed, and the first stator core group along 20 upper end of datum axis for being located at motor stator core is determined by two first
The formation of sub- core stamping 1, thus in terms of can be adjusted more flexiblely.Similarly, arranged for interval exists
The second stator core group in first stator core group being capable of second stator core stamping sheet 2 shape different by composing quantity respectively
At.
Based on the above technical solution, the quantity of the first stator core stamping sheet 1 is less than the second stator core stamping sheet 2
Quantity reduces the vibrating noise of motor to reduce the harmonic content of air-gap field as much as possible.
In the present invention, yoke portion 10 is connected with multiple teeth 30, and can be various shape, and in rotating electric machine, at most
Use circular yoke portion 10.As a kind of specific embodiment, as shown in Figure 5 and Figure 6, yoke portion 10 is cyclic annular yoke portion,
Multiple teeth 30 are uniformly distributed circumferentially the inner peripheral surface in cyclic annular yoke portion.Tooth 30 include one end be connected in yoke portion 10 and radially side
To the extension 60 of extension, and it is connected to the other end of extension 60 and along the circumferential direction of centre bore 50 resistance line portion 70 outstanding.It stretches
It is connected in yoke portion 10 to the transition of the circle of portion 60 out, the outer profile in extension 60 and resistance line portion 70 is formed as symmetric figure.Adjacent teeth
Coil slot 40 is formed between 30, coil slot 40 has the opening for being connected to centre bore 50.
In addition, also can by the plane of flat-top tooth 32 from the circumscribed lateral deviation that faces out of centre bore 50 with a certain distance from, so as to
The harmonic content for enough reducing air-gap field, reduces the vibrating noise of motor.
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 stated.
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 (5)
1. a kind of motor stator core, including stacked multiple motor stator core stamping sheets, the motor stator core stamping sheet packet
Yoke portion (10), datum axis (20) and setting are included in the yoke portion (10) and to the datum axis (20) multiple teeth outstanding
(30), which is characterized in that including at least two first stator core stamping sheets (1) and extremely in the multiple motor stator core stamping sheet
Few two the second stator core stamping sheets (2),
The multiple tooth (30) of first stator core stamping sheet (1) is arc apical tooth (31), the court of the arc apical tooth (31)
It is arc surface to the end face of the datum axis (20), which forms the center with the datum axis (20) for center axis
Hole (50),
The multiple tooth (30) of second stator core stamping sheet (2) is flat-top tooth (32), the court of the flat-top tooth (32)
It is plane to the end face of the datum axis (20), which is parallel to the outer section of the centre bore (50), and the plane
From the circumscribed lateral deviation that faces out of the centre bore (50) with a certain distance from,
First stator core stamping sheet (1) be located at least in the motor stator core along the two of the datum axis (20)
End, and first stator core stamping sheet (1) and second stator core stamping sheet (2) are alternately superimposed on.
2. motor stator core according to claim 1, which is characterized in that the yoke portion (10) is cyclic annular yoke portion, described
Multiple teeth (30) are uniformly distributed circumferentially the inner peripheral surface in the cyclic annular yoke portion.
3. 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 (50) resistance line portion (70) outstanding.
4. motor stator core according to claim 1, which is characterized in that be formed with coil between the adjacent tooth (30)
Slot (40), the coil slot (40) have the opening for being connected to the centre bore (50).
5. a kind of compressor, which is characterized in that be provided in the compressor according to claim 1 described in any one of -4
Motor stator core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642576.1A CN107332369B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710642576.1A CN107332369B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107332369A CN107332369A (en) | 2017-11-07 |
| CN107332369B true CN107332369B (en) | 2019-11-15 |
Family
ID=60227076
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710642576.1A Active CN107332369B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107332369B (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 |
| CN108471178B (en) * | 2018-05-31 | 2024-10-22 | 广东威灵汽车部件有限公司 | Stator core and motor and compressor with same |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012120299A (en) * | 2010-11-30 | 2012-06-21 | Mitsubishi Electric Corp | Stator core, rotary electric machine, and manufacturing method of stator core |
| JP5896937B2 (en) * | 2013-02-08 | 2016-03-30 | 三菱電機株式会社 | Divided iron core, stator using the divided iron core, and rotating electric machine equipped with the stator |
| CN206135565U (en) * | 2016-09-26 | 2017-04-26 | 珠海凌达压缩机有限公司 | Motor stator punching sheet, motor stator structure and motor |
-
2017
- 2017-07-31 CN CN201710642576.1A patent/CN107332369B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN107332369A (en) | 2017-11-07 |
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