CN104333152B - Stator punching, motor and compressor - Google Patents
Stator punching, motor and compressor Download PDFInfo
- Publication number
- CN104333152B CN104333152B CN201410649334.1A CN201410649334A CN104333152B CN 104333152 B CN104333152 B CN 104333152B CN 201410649334 A CN201410649334 A CN 201410649334A CN 104333152 B CN104333152 B CN 104333152B
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- yoke
- hole
- stator
- along
- stator punching
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- 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
- H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The invention discloses a kind of stator punching, motor and compressor, stator punching includes：Yoke, yoke is formed as annular, the outer peripheral face of yoke is provided with along its circumferentially spaced multiple breach, yoke is provided with along its circumferentially-spaced multiple through hole opened and penetrate yoke vertically, and multiple through holes are set adjacent to the outer peripheral face of yoke and any one of through hole is located between two adjacent breach；Multiple teeth portion, the circumferentially-spaced inner circumferential that is located at yoke of multiple teeth portion along yoke, each teeth portion extending radially inwardly along yoke respectively, stator slot are limited between the adjacent teeth portion of any two.According to the stator punching of the present invention, reduce teeth portion and vibrate transmission to housing, the flux path of stator core is ensure that simultaneously, the deformation of stator core is concentrated mainly on through hole, the ID distortion of stator core is small, reduce the iron loss loss of stator core, improve the motor oscillating with the stator punching and lower noise, efficiency.
Description
Technical field
The present invention relates to Compressor Technology field, more particularly, to a kind of stator punching and has the stator punching
Motor and the compressor with the motor.
Background technology
It is hot jacket elastic conjunction between the stator core and main casing internal diameter of rotary compressor, i.e., stator outer diameter is more than shell
Internal footpath 0.05-0.2mm.Main casing, which is added to, during assembling expands its internal diameter and is more than stator core external diameter, then
Stator is fitted into main casing, and being cooled to normal temperature makes main casing internal diameter shrink simultaneously fixed stator iron core.
Conventional working medium (being less than 5Mpa pressure) thickness of shell is between 2-4mm, and with the famous pressurized carbon dioxide of high pressure
Contracting machine is using 14Mpa as its service pressure.To ensure security, main casing generally use 7-12mm thickness sheet materials.Due to two
The main casing sheet metal thickness of carbonoxide compressor is thicker than R410A rotary compressor more, carbon-dioxide gas compressor stator heating jacket
When taking the magnitude of interference identical with R410A compressors, after the completion of hot jacket, the inside convergent force of carbon dioxide main casing is far longer than often
Compressor is advised, i.e.,：Carbon dioxide housing is thick, rigidity is big, and during using the same magnitude of interference, the outside deflection of carbon dioxide housing is small,
Cause all magnitudes of interference to be extruded to diameter of stator bore, cause diameter of stator bore to deform, compressor rotor axiality is poor, have impact on electricity
The flux path of machine, makes the iron loss of motor increase, and electric efficiency reduces.
If reducing the magnitude of interference between stator and housing during manufacture, diameter of stator bore deformation can also be reduced, but to each
The accuracy of manufacture of parts proposes higher requirement, can not realize.
The content of the invention
It is contemplated that at least solves one of technical problem in correlation technique to a certain extent.Therefore, the present invention carries
A kind of stator punching is gone out, the ID distortion after stator punching assembling is small.
The invention also provides a kind of motor with said stator punching and the compressor with the motor.
According to the stator punching of the present invention, including：Yoke, the yoke are formed as annular, the yoke
Outer peripheral face be provided with along its it is circumferentially-spaced open up multiple breach for putting, the yoke is provided with along its and circumferentially-spaced opened and along axle
To the multiple through holes for penetrating the yoke, multiple through holes are set adjacent to the outer peripheral face of the yoke, any one institute
Through hole is stated to be located between two adjacent breach；Multiple teeth portion, multiple teeth portion are along the circumferentially-spaced of the yoke
The inner circumferential for being located at the yoke is opened in, each teeth portion extending radially inwardly along the yoke respectively, any two
Stator slot is limited between the individual adjacent teeth portion.
Stator punching according to embodiments of the present invention, the deformation of stator punching can accumulate in through hole, assemble stator punching
ID distortion afterwards is small, and stator core will not deform because the tight fit with housing produces stress, and stator punching has been effectively ensured
The cylindricity for inside diameter of piece, reduce the iron loss loss of stator core, make vibration and the noise drop of the motor with the stator punching
Low, the efficiency of motor improves.
In addition, stator punching according to embodiments of the present invention can also have technical characteristic additional as follows：
According to one embodiment of present invention, the through hole be formed as along the yoke it is circumferentially-spaced open up put it is more
Individual circular port.
According to one embodiment of present invention, the through hole is formed as the bar hole of the circumferentially extending along the yoke.
According to one embodiment of present invention, the bar hole is formed as arcuate socket or fold-line-shaped hole.
According to one embodiment of present invention, the width of radial direction of the bar hole along the yoke is in the bar hole
Length direction on it is impartial.
According to one embodiment of present invention, the width of radial direction of the bar hole along the yoke is in the bar hole
Length direction on be gradually reduced from the middle to both ends.
According to one embodiment of present invention, between circumference institute of two breach adjacent with the through hole along the yoke
Every distance corresponding to central angle it is equal with the central angle corresponding to the through hole.
According to one embodiment of present invention, in addition to bit port is allowed, the radial direction of the bit port along the yoke that allow
Extend and described one end for allowing bit port connects the bar hole, the other end connects the periphery of the yoke.
According to one embodiment of present invention, in addition to groove, the groove are described along axially penetrating through for the yoke
Yoke, the groove include multiple, and multiple groove intervals are opened on the outer peripheral face of the yoke and each described
Groove is respectively between two adjacent circular ports.
According to one embodiment of present invention, protuberance is formed between the two neighboring groove, it is two neighboring described recessed
The center of circle of the circular port between groove and the extended line of the imaginary line in the center of circle of the yoke divide equally the two neighboring institute
State the protuberance between groove.
Motor according to embodiments of the present invention, including：Rotor；Stator core, the stator core are located at the rotor
Periphery, the stator core include multiple stator punchings, and multiple stator punchings rush along its axially stacking setting, the stator
Piece is the stator punching according to the embodiment of the present invention.
Compressor according to embodiments of the present invention, including motor according to embodiments of the present invention.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
Fig. 1 is the part-structure schematic diagram of motor according to embodiments of the present invention；
Fig. 2 is the structural representation according to the stator punching of first embodiment of the invention；
Fig. 3 is the structural representation according to the stator punching of second embodiment of the invention；
Fig. 4 is the structural representation according to the stator punching of third embodiment of the invention；
Fig. 5 is the structural representation according to the stator punching of four embodiment of the invention；
Fig. 6 is the structural representation according to the stator punching of fifth embodiment of the invention；
Fig. 7 is the structural representation according to the stator punching of sixth embodiment of the invention.
Reference：
Motor 100；
Housing 10；
Stator core 20；Stator punching 21；Yoke 211；Teeth portion 212；Stator slot 213；Through hole 214；Breach 215；It is recessed
Groove 216；Allow bit port 217.
Embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to for explaining the present invention, and is not considered as limiting the invention.
Motor 100 and stator punching 21 according to embodiments of the present invention are described in detail below in conjunction with the accompanying drawings.
Referring to figs. 1 to shown in Fig. 7, motor 100 according to embodiments of the present invention includes rotor and stator core 20, stator iron
Core 20 is located at the periphery of rotor, and stator core 20 and rotor are located in the housing 10 of compressor.
Stator core 20 includes multiple stator punchings 21, and stator punching 21 is the stator punching according to the embodiment of the present invention
21.Axially stacking setting of multiple stator punchings 21 along stator punching 21.That is, as shown in figure 1, multiple stator punchings 21
Edge is superimposed perpendicular to the direction of paper.When stator core 20 is assemblied in housing 10, the outer of stator punching 21 can
It is connected on the internal face of housing 10 of compressor.
Each stator punching 21 includes yoke 211 and multiple teeth portion 212 respectively, and yoke 211 is located at the outer of stator 20
Week, yoke 211 abut the internal face of housing 10.Multiple teeth portion 212 are located at the inner circumferential of yoke 211, and multiple teeth portion 212
Put along circumferentially-spaced open up of yoke 211.Each teeth portion 212 extending radially inwardly along yoke 211 respectively, any two
Stator slot 213 is limited between adjacent teeth portion 212.
The outer peripheral face of yoke 211 is provided with multiple breach 215, and multiple breach 215 are opened along the circumferentially-spaced of yoke 211
Set.Multiple breach 215 can form venting channels.Yoke 211 is formed as annular, and the outer peripheral edge of yoke 211 is provided with more
Individual through hole 214.Each through hole 214 along yoke 211 it is circumferentially-spaced open and along yoke 211 axially through yoke
211.Any one through hole 214 is located between two adjacent breach 215.
Stator punching 21 according to embodiments of the present invention, by setting breach 215 on the outer peripheral face positioned at yoke 211
Set simultaneously on the yoke 211 positioned at the periphery of teeth portion 212 axially through through hole 214, when the periphery of yoke 211 is along supporting
During the internal face of body contact body 10, the breach 215 on yoke 211 does not contact with housing 10, while the periphery of through hole 214 can be with shell
Body 10 is fitted close, and is transmitted so as to reduce the vibration of teeth portion 212 to housing 10, while ensure the magnetic flux of stator core 20
Road.Meanwhile stator core 20 will not deform because the tight fit with housing 10 produces stress, deformation can accumulate in through hole 214
Place, reduce the iron loss loss of stator core 20, make vibration and the lower noise of motor 100, the efficiency of motor 100 improves.
Specifically, the situation after the completion of the assembling of stator core 20 is shown in Fig. 1.Through hole 214 is formed as telescopic hole, in Fig. 1
The state after through hole 214 deforms is shown, the dotted line on the side of through hole 214 is state when through hole 214 is not deformed.Can from Fig. 1
So that, it is evident that the deformation of the stator core 20 after assembling is concentrated at through hole 214, the inner circumferential of stator core 20 does not become
Shape, the cylindricity for inside diameter of stator core 20 are good.
Referring to figs. 1 to shown in Fig. 7, multiple through holes 214 and multiple breach 215 alternate can be set along the circumference of yoke 211
Put.That is, being provided with a through hole 214 between two adjacent breach 215, and set between adjacent two through holes 214
There is a breach 215.Thus, the part between the breach 215 adjacent positioned at any two of yoke 211 is respectively provided with one and led to
Hole 214, it is effectively prevented the stress of stator core 20 and deforms, reduces the iron loss loss of stator core 20, make electricity
The vibration of machine 100 and lower noise, the efficiency of motor 100 greatly improve.
The shape of through hole 214 be formed as it is a variety of, for example, as shown in Figures 2 and 3, in some embodiments of the invention,
Each through hole 214 is formed as multiple circumferentially-spaced multiple circular ports for putting of opening up along yoke 211 respectively.Work as yoke
When 211 periphery is fitted close with the internal face of housing 10, multiple circular ports can deform.
Further, in the embodiment shown in fig. 3, stator punching 21 is provided with the through hole being made up of multiple circular ports
214, stator punching 21 also includes groove 216.Groove 216 axially penetrates through yoke 211 along yoke 211.Groove 216 includes
Multiple, multiple grooves 216, which are respectively separated, to be opened on the outer peripheral face of yoke 211 and each groove 216 is respectively positioned at adjacent
Two circular ports between.Herein it should be noted that what each groove 216 referred between two adjacent circular ports respectively
It is in the circumferential direction along yoke 211, each groove 216 is positioned approximately between two circular ports adjacent thereto.
As shown in figure 3, protuberance is formed between two neighboring groove 216, the circular port between two neighboring groove 216
The protuberance that the extended line of the imaginary line in the center of circle and the center of circle of yoke 211 is divided equally between the two neighboring groove.Thus, in yoke
In the radial direction, protuberance is corresponding with circular port in iron portion 211.When the periphery of yoke 211 and the internal face of housing 10 are close
During cooperation, protuberance stress is deformed inward, and deflection is transferred into corresponding circular port, ensure that the internal diameter of stator punching 21
Cylindricity.
For another example in other embodiments of invention, each through hole 214 is respectively formed as the circumference along yoke 211
The bar hole of extension.For example, as shown in Figure 4 and Figure 6, each bar hole is respectively formed as arcuate socket.For another example as shown in figure 5,
Each bar hole is respectively formed as fold-line-shaped hole.
As shown in figure 4, the width of radial direction of the bar hole along yoke 211 is impartial on the length direction of bar hole.Also
It is to say, in the circumferential direction along yoke 211, the width of bar hole is equal everywhere.Here, the width of bar hole is along edge
The size of the radial direction extension of yoke 211.
As shown in fig. 6, the width of radial direction of the bar hole along yoke 211 on the length direction of bar hole from centre to two
End is gradually reduced.That is, the width of the middle part of bar hole is maximum, and in the circumferential direction along yoke 211, bar shaped
The width in hole is gradually reduced from middle part to both ends.The both ends of bar hole are formed as the structure of pointed shape.
It is understood that the shape of through hole 214 is not limited only to described above, other shapes are can also be.Tool
Body, can be designed according to motor electromagnetic, the design of compressor flow field need through hole 214 is designed as to different shapes.
Reference picture 4 is to the distance that shown in Fig. 7, adjacent with through hole 214 two circumferences of the breach along yoke 211 are spaced
Corresponding central angle can be equal or roughly equal with the central angle corresponding to through hole 214.Wherein, adjacent with through hole 214 two
The distance that circumference of the individual breach along yoke 211 is spaced is internal face of the yoke 211 with housing 10 of stator punching 21
The size of mutual extrusion fit.That is, the outer edge area of the stator punching 21 corresponding to through hole 214 is to carry out stator punching
The direct contact area that piece 21 is interference fitted with housing 10.Thus, the extruding force that stator punching 21 is born can be radially complete
The through hole 214 of stator punching 21 is transferred to, so that deformation is accumulated at through hole 214, and does not continue to transmit, effectively prevent
The inner circumferential of stator punching 21 deforms.
As shown in fig. 7, stator punching 21 according to embodiments of the present invention also includes allowing bit port 217, the edge of bit port 217 is allowed
Yoke 211 radially extends.Allow one end of bit port 217 to connect bar hole, allow the other end of bit port 217 to connect yoke
211 periphery.Thus, the solid material positioned at the outside of through hole 214 of yoke 211 may be constructed cantilever support girder construction, institute
Some deformations can be cantilevered support girder construction absorption, and the inner peripheral surface that effectively prevent stator punching 21 deforms, and it is fixed to ensure that
The cylindricity for inside diameter of sub- punching 21.
To sum up, the cylindricity for inside diameter for the stator core 20 being made up of stator punching 21 according to embodiments of the present invention is good,
The vibration of motor 100 and lower noise, efficiency improve.
Compressor according to embodiments of the present invention includes motor 100 according to embodiments of the present invention.Motor 100 is located at compression
In the housing 10 of machine.Wherein, compressor can be rotary compressor.Furthermore, compressor can be carbon-dioxide gas compressor.
Because motor 100 according to embodiments of the present invention has above-mentioned beneficial technique effect, therefore compression according to embodiments of the present invention
Machine has low vibration, low noise and efficient feature.
Due to through hole 214 effectively prevent stator punching 21 assembling when deform.Therefore, for the compression in small shell footpath
For machine, magnitude of interference when stator core 20 coordinates with housing 10 can further amplify, to reduce part processing precision.
Other of compressor according to embodiments of the present invention form and operated to come for one of ordinary skill in the art
Say it is knowable, be not described in detail herein.
In the description of the invention, it is to be understood that term " length ", " width ", " on ", " under ", "front", "rear",
The orientation or position relationship of the instruction such as " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " axial direction ", " radial direction ", " circumference " are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show that the device of meaning or element there must be specific orientation, with specific azimuth configuration and operation, thus it is it is not intended that right
The limitation of the present invention.
In the description of the invention, " multiple " are meant that two or more, unless otherwise specifically defined.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be that machinery connects
Connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be in two elements
The connection in portion or the interaction relationship of two elements.For the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy for combining the embodiment or example description
Point is contained at least one embodiment or example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.Moreover, specific features, structure, material or the feature of description can be with office
Combined in an appropriate manner in one or more embodiments or example.In addition, in the case of not conflicting, the skill of this area
Art personnel can be tied the different embodiments or example and the feature of different embodiments or example described in this specification
Close and combine.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changed, replacing and modification.
Claims (5)
- A kind of 1. stator punching, it is characterised in that including：Yoke, the yoke are formed as annular, and the outer peripheral face of the yoke is provided with to be put along its circumferentially-spaced opens up Multiple breach, the yoke be provided with along its circumferentially-spaced multiple through hole opened and penetrate the yoke vertically, it is more The individual through hole is set adjacent to the outer peripheral face of the yoke and any one of through hole is located at two adjacent breach Between；Multiple teeth portion, the circumferentially-spaced inner circumferential that is opened in the yoke of multiple teeth portion along the yoke, Mei Gesuo Teeth portion extending radially inwardly along the yoke respectively is stated, stator slot is limited between the adjacent teeth portion of any two, The through hole is formed as the bar hole of the circumferentially extending along the yoke, and the stator punching also includes allowing bit port, described Allow bit port along the yoke radially extend and described one end for allowing bit port connects the bar hole, other end connection institute The periphery of yoke is stated, is suitable to forming the cantilever end of cantilever support girder construction and cantilever support girder construction in stress to bar shaped Moved in hole to deform suction, the width that radially extends of the bar hole along the yoke is in the length side of the bar hole It is gradually reduced from the middle to both ends upwards.
- 2. stator punching according to claim 1, it is characterised in that the bar hole is formed as arcuate socket or fold-line-shaped Hole.
- 3. stator punching according to claim 1, it is characterised in that two breach adjacent with the through hole are along the yoke The central angle corresponding to distance that the circumference in iron portion is spaced is equal with the central angle corresponding to the through hole.
- A kind of 4. motor, it is characterised in that including：Rotor；Stator core, the stator core are located at the periphery of the rotor, and the stator core includes multiple stator punchings, multiple For the stator punching along its axially stacking setting, the stator punching is the stator according to any one of claim 1-3 Punching.
- 5. a kind of compressor, it is characterised in that including the motor described in claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410649334.1A CN104333152B (en) | 2014-11-14 | 2014-11-14 | Stator punching, motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410649334.1A CN104333152B (en) | 2014-11-14 | 2014-11-14 | Stator punching, motor and compressor |
Publications (2)
| Publication Number | Publication Date |
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| CN104333152A CN104333152A (en) | 2015-02-04 |
| CN104333152B true CN104333152B (en) | 2017-12-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410649334.1A Active CN104333152B (en) | 2014-11-14 | 2014-11-14 | Stator punching, motor and compressor |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104868618B (en) * | 2015-06-09 | 2019-03-19 | 广东美芝制冷设备有限公司 | Motor and compressor with it |
| CN105356635A (en) * | 2015-11-02 | 2016-02-24 | 常州大学 | Rotor silicon steel sheet pile structure with low eddy current loss and device for closely fitting structure and shaft |
| CN107154688A (en) * | 2017-07-05 | 2017-09-12 | 珠海凯邦电机制造有限公司 | Stator punching sheet, stator core and motor |
| CN109004775A (en) * | 2018-07-11 | 2018-12-14 | 珠海凌达压缩机有限公司 | Stator punching sheet, motor and compressor |
| CN109088521B (en) * | 2018-09-17 | 2020-01-24 | 上海马拉松·革新电气有限公司 | Manufacturing process of exciter stator core |
| CN111082587B (en) * | 2018-10-19 | 2021-08-17 | 索恩格汽车部件（中国）有限公司 | Motor and end cover for motor |
| US11515750B2 (en) | 2018-12-06 | 2022-11-29 | Steering Solutions Ip Holding Corporation | Permanent magnet machine stator |
| CN114069971B (en) * | 2020-08-03 | 2024-06-18 | 安徽威灵汽车部件有限公司 | Driving motor, driving system with driving motor and vehicle |
| CN113872351B (en) * | 2021-10-14 | 2022-10-18 | 广东美芝制冷设备有限公司 | Stator structure, motor structure, compressor structure and refrigeration plant |
| CN114094729A (en) * | 2021-11-19 | 2022-02-25 | 广东美芝制冷设备有限公司 | Compressor and refrigeration equipment thereof |
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| CN1756030A (en) * | 2004-09-28 | 2006-04-05 | 乐金电子(天津)电器有限公司 | Stator core of motor |
| CN203933181U (en) * | 2014-07-03 | 2014-11-05 | 珠海凌达压缩机有限公司 | Rotor compressor and motor stator punching sheet thereof |
| CN204156623U (en) * | 2014-11-14 | 2015-02-11 | 广东美芝制冷设备有限公司 | Stator punching, motor and compressor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8164225B2 (en) * | 2009-05-13 | 2012-04-24 | General Electric Company | Multiple pass axial cooled generator |
| JP5876210B2 (en) * | 2010-02-02 | 2016-03-02 | Ｊｆｅスチール株式会社 | Motor core with low iron loss degradation under compressive stress |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1756030A (en) * | 2004-09-28 | 2006-04-05 | 乐金电子(天津)电器有限公司 | Stator core of motor |
| CN203933181U (en) * | 2014-07-03 | 2014-11-05 | 珠海凌达压缩机有限公司 | Rotor compressor and motor stator punching sheet thereof |
| CN204156623U (en) * | 2014-11-14 | 2015-02-11 | 广东美芝制冷设备有限公司 | Stator punching, motor and compressor |
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| CN104333152A (en) | 2015-02-04 |
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