CN107482805A - 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
- CN107482805A CN107482805A CN201710641192.8A CN201710641192A CN107482805A CN 107482805 A CN107482805 A CN 107482805A CN 201710641192 A CN201710641192 A CN 201710641192A CN 107482805 A CN107482805 A CN 107482805A
- Authority
- CN
- China
- Prior art keywords
- motor stator
- stator core
- stamping sheet
- yoke portion
- core stamping
- 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
Links
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
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 it is arranged on the yoke portion (10) and the multiple teeth (30) prominent to the datum axis (20), the multiple tooth (30) includes at least two offset teeths (33), the end face of the direction datum axis (20) of the offset teeth (33) includes arc surface, the plane of the arc surface is cut in outside, the arc surface forms the centre bore (50) of the axle centered on the datum axis (20), 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, have 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 various manufacturing machines and equipment that motor drives as important energy conversion device
In.Important kind of the electric rotating machine as motor, including stator and rotor.And the general of rotor within the compressor is set
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, 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
It can not be controlled the invention aims to overcome existing for prior art while Gas-gap Magnetic Field Resonance Wave is reduced
The problem of air gap precision, there is provided motor stator core stamping sheet, the motor stator core formed using the motor stator core stamping sheet
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, it is characterised in that including
Yoke portion, datum axis and be arranged on the yoke portion and the multiple teeth prominent to the datum axis, the multiple tooth include to
Few two offset teeths, the end face of the direction datum axis of the offset teeth includes arc surface, and is cut in the arc surface outside
Plane, the arc surface form the centre bore of the axle centered on the datum axis.
Preferably, the arc surface of the arc surface of the offset teeth and the adjacent offset teeth is oppositely arranged.
Preferably, the yoke portion is ring-type yoke portion, and the multiple tooth is uniformly distributed circumferentially in the ring-type yoke portion
Side face.
Preferably, the tooth is connected to the extension in the yoke portion and extended in a radial direction, and connection including one end
The other end in the extension and the circumferentially prominent resistance line portion along the centre bore.
Preferably, formed with coil groove between the adjacent tooth, the coil groove, which has, is communicated in opening for the centre bore
Mouthful.
Preferably, the first locating slot and second are included formed with locating slot, the locating slot on the outer peripheral face in the yoke portion
The shape of locating slot, first locating slot and second locating slot is different, is spaced and matches somebody with somebody 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 is stacked multiple according in above-mentioned technical proposal
One motor stator core stamping sheet of meaning.
Second aspect of the present invention provides another motor stator core, including is stacked multiple according to above-mentioned technical proposal institute
Motor stator core stamping sheet is stated, Q+1 tooth pitch angle is turned round between the adjacent motor stator core stamping sheet.
Second aspect of the present invention provides another motor stator core, including is stacked multiple according to above-mentioned technical proposal institute
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 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.
Pass through above-mentioned technical proposal, it is relative by the arc surface of offset teeth and the outer peripheral face of rotor, so as to easily
Air gap is adjusted using frocks such as clearance gauges, ensures the concentric locating of stator and rotor.It is additionally, since outside the plane of offset teeth and is cut in this
Arc surface, that is to say, that deviate certain distance laterally from from centre bore, so as to reduce the harmonic content of air-gap field, drop
The vibrating noise of low 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 a kind of stereogram of embodiment of motor stator core of the present invention.
Fig. 3 is the partial enlarged drawing of the tooth 30 of Fig. 2 shown embodiment.
Fig. 4 is a kind of top view of 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 reference numerals
The stator of 3 rotor 4
10 yoke portions
The locating slot of 11 first locating slot 12 first
The tooth of 20 datum axis 30
33 offset teeths
The centre bore of 40 coil groove 50
60 extensions 70 resistance line portion
The offset teeth plane of 331 offset teeth arc surface 332
Embodiment
In the present invention, in the case where not making opposite explanation, the noun of locality such as " upper and lower, left and right " used typically refers to
The upper and lower, left and right of refer to the attached drawing." inside and outside " refers to relative to the inside and outside of 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, the feature of " second " can be expressed or implicitly includes at least one spy
Sign.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, as Figure 1-4, including yoke portion 10, datum axis 20 and sets
Put includes at least two offset teeths 33 in yoke portion 10 and multiple teeth 30 prominent to datum axis 20, the multiple tooth 30, 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, arc surface formation with
The centre bore 50 of axle centered on datum axis 20.
Wherein, datum axis 10 is in the rotation of the rotor 3 rotated in the stator 4 being made up of the motor stator core
Mandrel.As Figure 2-3, the centre bore 50 and stator inner circle are concentric.It is preferred that the thickness phase of motor stator core stamping sheet punching
Together, and used permeability magnetic material 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 offset teeth 33, so as to easily with frocks such as clearance gauges
Air gap is adjusted, ensures the concentric locating of stator and rotor.It is additionally, since outside the plane of offset teeth 33 and is cut in the arc surface, also
It is to say from centre bore 50 to deviate certain distance laterally, so as to reduce the harmonic content of air-gap field, reduces shaking for motor
Dynamic noise.
It is preferred that as shown in figure 1, the arc surface of offset teeth 33 is offset teeth arc surface 331, the plane of offset teeth 33 is dislocation
Tooth plane 332, the arc surface of offset teeth arc surface and the adjacent offset teeth 33 are oppositely arranged.Also just say, two offset teeths
33 is symmetrical relative to the center line AA of coil groove 40, and is organized in pairs, i.e. offset teeth plane 332 and offset teeth arc surface
331 are alternately arranged.
The yoke portion 10 is ring-type yoke portion, and the multiple tooth 30 is uniformly distributed circumferentially the inner circumferential in the ring-type yoke portion
Face.Formed with locating slot, the locating slot and the relative set of tooth 30 on the outer peripheral face in the ring-type yoke portion.Utilize the locating slot energy
It is enough to be more easily stacked motor stator core stamping sheet of the present invention.
As a kind of embodiment of the present 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
Individual first locating slot 11, Q is positive integer.As shown in Figure 1 and Figure 4, the first locating slot 11 is deep-slotted chip breaker, second positioning
Groove 12 is rectangular channel, between two neighboring second locating slot 12 between be separated with two the first locating slots 11.
As a kind of embodiment, as shown in figure 1, tooth 30 is connected in yoke portion 10 and radially including one end
The extension 60 of extension, and it is connected to the other end of extension 60 and along the circumferentially prominent resistance line portion 70 of centre bore 50.Stretch out
Portion 60 is connected in yoke portion 10 with justifying transition, and the outline in extension 60 and resistance line portion 70 is formed as symmetric figure.Adjacent teeth 30
Between formed with coil groove 40, coil groove 40 has the opening for being communicated in centre bore 50.In the present invention, yoke portion 10 is connected with more
Individual tooth 30, and can be variously-shaped, preferably yoke portion 10 is ring-type yoke portion, and multiple teeth 30 are circumferentially uniformly configured in ring-type yoke portion
Inner peripheral surface.And in electric rotating machine, at most use the yoke portion 10 of annular shape.
The present invention also provides a kind of motor stator core, including stacked multiple motors according to above-mentioned technical proposal are determined
Sub- core stamping.
The present invention also provides another motor stator core, including is stacked multiple according to any one in above-mentioned technical proposal
Described motor stator core stamping sheet, Q+1 tooth pitch angle is turned round between the adjacent motor stator core stamping sheet.Such as Fig. 4 institutes
Show, when Q is 2,3 tooth pitch angles are turned round between the adjacent motor stator core stamping sheet.Now, 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
Core turns round Q+1 tooth pitch angle along multiple motor stator core stamping sheets of described one end of datum axis 20.That is,
Using multiple motor stator core stamping sheets of Q+1 tooth pitch angle of revolution as revolution group, the multiple motor stator cores not turned round
As group is not turned round, group is not turned round in above-mentioned revolution combination, which, to be alternately superimposed on for punching.
In addition, the present invention also provides a kind of compressor, it is provided with the compressor according to any in above-mentioned technical proposal
Motor stator core stamping sheet described in one, 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 combinations of possible ways
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
Portion (10) and the multiple teeth (30) prominent to the datum axis (20), the multiple tooth (30) include at least two offset teeths
(33), the end face of the direction datum axis (20) of the offset teeth (33) includes arc surface, and is cut in the arc surface outside
Plane, the arc surface form the centre bore (50) of the axle centered on the datum axis (20).
2. motor stator core stamping sheet according to claim 1, it is characterised in that the arc surface of the offset teeth (33) with
The arc surface of the adjacent offset teeth (33) is oppositely arranged.
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 uniformly distributed circumferentially the inner peripheral surface in the ring-type yoke portion.
4. 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)
The circumferentially prominent resistance line portion (70) of the centre bore (50).
5. motor stator core stamping sheet according to claim 1, it is characterised in that between the adjacent tooth (30) formed with
Coil groove (40), the coil groove (40) have the opening for being communicated in the centre bore (50).
6. according to the motor stator core stamping sheet described in any one in claim 2-5, it is characterised in that outside the yoke portion
Formed with locating slot on side face, the locating slot includes the first locating slot (11) and the second locating slot (12), first positioning
Groove (11) is different with the shape of second locating slot (12), and interval is configured with Q between adjacent second locating slot (12)
First locating slot (11), Q is positive integer.
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 stator cores according to claim 6
Punching, Q+1 tooth pitch angle is turned round between the adjacent motor stator core stamping sheet.
9. a kind of motor stator core, it is characterised in that including stacked multiple motor stator cores according to claim 6
Punching, in the motor stator core stamping sheet be located at least in the motor stator core along the datum axis (20) one end
Multiple motor stator core stamping sheets turn round Q+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 (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 true CN107482805A (en) | 2017-12-15 |
| CN107482805B 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) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872348A (en) * | 2021-10-14 | 2021-12-31 | 广东美芝制冷设备有限公司 | Stator structure, motor structure, compressor structure and refrigeration plant |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01214251A (en) * | 1988-02-22 | 1989-08-28 | Toshiba Corp | Stepping motor |
| JP2002136003A (en) * | 2000-10-24 | 2002-05-10 | Mitsubishi Electric Corp | Stator for rotating electric machine |
| CN1351776A (en) * | 1999-05-21 | 2002-05-29 | 松下电器产业株式会社 | Motor with permanent magnet |
| 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 |
| 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 |
-
2017
- 2017-07-31 CN CN201710641192.8A patent/CN107482805B/en active Active
Patent Citations (8)
| 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 |
| 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 |
| 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 |
| 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 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113872348A (en) * | 2021-10-14 | 2021-12-31 | 广东美芝制冷设备有限公司 | Stator structure, motor structure, compressor structure and refrigeration plant |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107482805B (en) | 2019-07-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204156622U (en) | Stator punching, motor and compressor | |
| CN102957231B (en) | Stator and motor | |
| JP5450189B2 (en) | Method for manufacturing armature core | |
| JP6448810B2 (en) | Rotor, permanent magnet synchronous motor, method for manufacturing permanent magnet synchronous motor, and air conditioner | |
| CN102122868A (en) | Motor stator and manufacturing method thereof | |
| CN106712348A (en) | Rotor core, rotor and motor with same | |
| US10833542B2 (en) | Hinged stator core | |
| JP2018516055A (en) | Rotating electric machine having a stator with a closed notch, in particular a variable reluctance synchronous electric machine assisted by a permanent magnet | |
| JP2008523782A5 (en) | ||
| JP3207827U (en) | Single-phase permanent magnet motor and manufacturing method thereof | |
| CN105391196A (en) | Brushless motor | |
| JP5325785B2 (en) | Stator for rotating electrical machine | |
| CN101478210A (en) | Asymmetric groove shaped permanent synchronizing motor | |
| CN204408035U (en) | The plastic packaging stator of a kind of stator punching and application thereof and external rotor electric machine | |
| US20220190658A1 (en) | Rotor for an electrical machine having asymmetric poles and lateral magnets | |
| CN109639004A (en) | A kind of rotor of vehicle, disc type electric machine and disc type electric machine | |
| JP2008104288A5 (en) | ||
| CN104333153A (en) | Motor stator, manufacturing method thereof and motor | |
| JP2011030320A (en) | Dynamo-electric machine and method of manufacturing the same | |
| CN107332369B (en) | Motor stator core and compressor | |
| CN104836352A (en) | Stator punching sheet, stator and plastic packaging motor | |
| CN107332365B (en) | Motor stator core and compressor | |
| CN107482805A (en) | Motor stator core stamping sheet, motor stator core and compressor | |
| CN106374652A (en) | Rotor iron core, rotor and self-starting permanent magnet synchronous motor | |
| JP6044673B2 (en) | Rotating electric machine |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |