CN107482805B - Motor stator core and compressor - Google Patents
Motor stator core and compressor Download PDFInfo
- Publication number
- CN107482805B CN107482805B CN201710641192.8A CN201710641192A CN107482805B CN 107482805 B CN107482805 B CN 107482805B CN 201710641192 A CN201710641192 A CN 201710641192A CN 107482805 B CN107482805 B CN 107482805B
- Authority
- CN
- China
- Prior art keywords
- motor stator
- stator core
- yoke portion
- arc surface
- locating slot
- 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
- H02K1/16—Stator cores with slots for windings
-
- 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
-
- 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 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, it is characterized in that, including yoke portion (10), datum axis (20) and setting are in the yoke portion (10) and to the datum axis (20) multiple teeth (30) outstanding, include in the multiple tooth (30) at least two offset teeths (33), the end face towards the datum axis (20) of the offset teeth (33) includes arc surface, it is cut in the plane of the arc surface outside, the arc surface forms the centre bore (50) with the datum axis (20) for center axis, so as to preferably carry out concentric locating while reducing Gas-gap Magnetic Field Resonance Wave, 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, which is characterized in that including
Yoke portion, datum axis and setting include extremely in the yoke portion and to the datum axis multiple teeth outstanding, in the multiple tooth
Few two offset teeths, the end face towards the datum axis of the offset teeth includes arc surface, and is cut in the arc surface outside
Plane, the arc surface are formed using the datum axis as the centre bore of center axis.
Preferably, the arc surface of the offset teeth and the arc surface of the adjacent offset teeth are oppositely arranged.
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, locating slot is formed on the outer peripheral surface in the yoke portion, the locating slot includes the first locating slot and second
The shape of locating slot, first locating slot and second locating slot is different, is spaced and matches between adjacent second locating slot
Q first locating slots are equipped with, Q is positive integer.
Second aspect of the present invention provides a kind of motor stator core, including it is stacked it is multiple according to the above technical scheme in appoint
One motor stator core stamping sheet of meaning.
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, turns round Q+1 tooth pitch angle 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 Q+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 offset teeth 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 cut in this outside the plane of offset teeth
Arc surface, that is to say, that deviate certain distance outward from from centre bore, so as to reduce the harmonic content of air-gap field, drop
The vibrating noise of low motor.
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 a kind of perspective view of specific embodiment of motor stator core of the present invention.
Fig. 3 is the partial enlarged view of the tooth 30 of the shown specific embodiment of Fig. 2.
Fig. 4 is a kind of top view of specific embodiment of motor stator core of the present invention.
Fig. 5 is the use state diagram of motor stator core of the present invention.
Description of symbols
3 rotor, 4 stator
10 yoke portions
11 first locating slot, 12 first locating slot
20 datum axis, 30 tooth
33 offset teeths
40 coil slot, 50 centre bore
60 extensions 70 hinder line portion
331 offset teeth arc surface, 332 offset teeth plane
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, as shown in Figs 1-4, including yoke portion 10, datum axis 20 and sets
It sets in yoke portion 10 and to the multiple teeth 30 outstanding of datum axis 20, includes at least two offset teeths 33 in the multiple tooth 30, it is wrong
The end face towards datum axis 20 of position tooth 33 includes arc surface, and is cut in the plane of the arc surface outside, the arc surface formed with
Datum axis 20 is the centre bore 50 of center axis.
Wherein, datum axis 20 is the rotation of the rotor 3 rotated in the stator 4 being made of the motor stator core
Central axis.As Figure 2-3, the centre bore 50 and stator inner circle are concentric.It is preferred that the thickness of motor stator core stamping sheet punching
It is identical, and used permeability magnetic material 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 offset teeth 33, so as to easily with toolings such as clearance gauges
Air gap is adjusted, guarantees the concentric locating of stator and rotor.Moreover, because being cut in the arc surface outside the plane of offset teeth 33, also
It is to say from centre bore 50 to deviate certain distance outward, so as to reduce the harmonic content of air-gap field, reduces the vibration of motor
Dynamic noise.
It is preferred that the plane of offset teeth 33 is dislocation as shown in Figure 1, the arc surface of offset teeth 33 is offset teeth arc surface 331
Tooth plane 332, offset teeth arc surface and the arc surface of the adjacent offset teeth 33 are oppositely arranged.That is to say, two offset teeths
The 33 center line AA bilateral symmetry relative to coil slot 40, and being organized in pairs, i.e. offset teeth plane 332 and offset teeth arc surface
331 are alternately arranged.
The yoke portion 10 is cyclic annular yoke portion, and the multiple tooth 30 is uniformly distributed circumferentially the inner circumferential in the cyclic annular yoke portion
Face.Locating slot, locating slot setting corresponding to tooth 30 are formed on the outer peripheral surface in the ring-type yoke portion.Utilize the locating slot
Motor stator core stamping sheet of the present invention can be more easily stacked.
As a kind of specific embodiment of the invention, locating slot includes the first locating slot 11 and the second locating slot 12, institute
It is different with the shape of second locating slot to state the first locating slot 11, interval is configured with Q between adjacent second locating slot 12
A first locating slot 11, Q is positive integer.As shown in Figure 1 and Figure 4, the first locating slot 11 is arc groove, second positioning
Slot 12 is rectangular channel, and there are two the first locating slots 11 at interval between two neighboring second locating slot 12.
As a kind of specific embodiment, as shown in Figure 1, tooth 30 includes that one end is connected in yoke portion 10 and radially
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 out
It is connected in yoke portion 10 to the circle transition of portion 60, the outer profile in extension 60 and resistance line portion 70 is formed as symmetric figure.Adjacent teeth 30
Between be formed with coil slot 40, coil slot 40 has the opening for being connected to centre bore 50.In the present invention, yoke portion 10 is connected with more
A tooth 30, and can be various shape, preferably yoke portion 10 is cyclic annular yoke portion, and multiple teeth 30 are circumferentially uniformly configured in cyclic annular yoke
The inner peripheral surface in portion.And in rotating electric machine, at most use circular yoke portion 10.
The present invention also provides a kind of motor stator cores, fixed including stacked multiple motors described according to the above technical scheme
Sub- core stamping.
The present invention also provides another motor stator core, including it is stacked it is multiple according to the above technical scheme in it is any one
The described motor stator core stamping sheet turns round Q+1 tooth pitch angle between the adjacent motor stator core stamping sheet.Such as Fig. 4 institute
Show, when Q is 2, turns round 3 tooth pitch angles between the adjacent motor stator core stamping sheet.At this point, the motor stator core
The arc surface of the offset teeth 33 of punching corresponds to the plane of the offset teeth 33 of 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 described 20 one end of datum axis of core turn round Q+1 tooth pitch angle.Namely
It says, multiple motor stator core stamping sheets of Q+1 tooth pitch angle will be turned round as revolution group, multiple motor stator iron for not turning round
As group is not turned round, group is not turned round in above-mentioned revolution combination, which, to be alternately superimposed on for core punching.
In addition, being provided in the compressor according to the above technical scheme any the present invention also provides a kind of compressor
Motor stator core stamping sheet described in one, 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 (5)
1. a kind of motor stator core, which is characterized in that including stacked multiple motor stator core stamping sheets, the motor stator iron
Core punching include yoke portion (10), datum axis (20) and setting the yoke portion (10) and to the datum axis (20) it is outstanding
Multiple teeth (30) include at least two offset teeths (33) in the multiple tooth (30), the offset teeth (33) towards the base
The end face of fiducial axis line (20) includes arc surface, and is cut in the plane of the arc surface outside, which forms with the datum axis
It (20) is the centre bore (50) of center axis, the arc surface of the arc surface of the offset teeth (33) and the adjacent offset teeth (33)
It is oppositely arranged, locating slot is formed on the outer peripheral surface in the yoke portion, the locating slot includes that the first locating slot (11) and second are fixed
Position slot (12), first locating slot (11) is different with the shape of second locating slot (12), adjacent second locating slot
(12) configured with Q first locating slots (11), Q is positive integer at interval between,
Q+1 tooth pitch angle is turned round between the adjacent motor stator core stamping sheet, alternatively, in the motor stator core stamping sheet
The multiple motor stator core stamping sheets along the datum axis (20) one end for being located at least in the motor stator core
Turn round Q+1 tooth pitch angle.
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 |
|---|---|---|---|
| CN201710641192.8A CN107482805B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710641192.8A CN107482805B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107482805A CN107482805A (en) | 2017-12-15 |
| CN107482805B true CN107482805B (en) | 2019-07-30 |
Family
ID=60597932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710641192.8A Active CN107482805B (en) | 2017-07-31 | 2017-07-31 | Motor stator core and compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107482805B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872348B (en) * | 2021-10-14 | 2023-11-17 | 广东美芝制冷设备有限公司 | Stator structure, motor structure, compressor structure and refrigeration equipment |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214251A (en) * | 1988-02-22 | 1989-08-28 | Toshiba Corp | Stepping motor |
| CN1351776A (en) * | 1999-05-21 | 2002-05-29 | 松下电器产业株式会社 | Motor with permanent magnet |
| 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 |
| CN205846909U (en) * | 2016-06-30 | 2016-12-28 | 广东美芝制冷设备有限公司 | Stator, magneto and compressor for magneto |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002136003A (en) * | 2000-10-24 | 2002-05-10 | Mitsubishi Electric Corp | Stator for rotating 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 |
-
2017
- 2017-07-31 CN CN201710641192.8A patent/CN107482805B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214251A (en) * | 1988-02-22 | 1989-08-28 | Toshiba Corp | Stepping motor |
| CN1351776A (en) * | 1999-05-21 | 2002-05-29 | 松下电器产业株式会社 | Motor with permanent magnet |
| 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 |
| CN205846909U (en) * | 2016-06-30 | 2016-12-28 | 广东美芝制冷设备有限公司 | Stator, magneto and compressor for magneto |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107482805A (en) | 2017-12-15 |
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