CN204156622U - Stator punching, motor and compressor - Google Patents
Stator punching, motor and compressor Download PDFInfo
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- CN204156622U CN204156622U CN201420683718.0U CN201420683718U CN204156622U CN 204156622 U CN204156622 U CN 204156622U CN 201420683718 U CN201420683718 U CN 201420683718U CN 204156622 U CN204156622 U CN 204156622U
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Abstract
The utility model discloses a kind of stator punching, motor and compressor, stator punching comprises: 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 the spaced apart and multiple through hole that is through yoke vertically of its circumference, and the outer peripheral face of the contiguous yoke of multiple through hole arranges and through hole described in any one is located between two adjacent described breach; Multiple teeth portion, multiple teeth portion is located at the inner circumferential of yoke along the circumferential interval of yoke, each teeth portion extending radially inwardly respectively along yoke, limits stator slot between any two adjacent teeth portion.According to stator punching of the present utility model, decrease the transmission of teeth portion vibration to housing, ensure that the flux path of stator core simultaneously, stator core can not because producing stress with closely cooperating of housing and be out of shape, decrease the iron loss loss of stator core, the vibration of the motor with this stator punching and noise reduction, efficiency are improved.
Description
Technical field
The utility model relates to Compressor Technology field, more specifically, relates to a kind of stator punching and has the motor of this stator punching and have the compressor of this motor.
Background technology
General compressor concentratred winding direct current machine is generally made up of stator and rotor, turns round between stators and rotators across air gap.In the related, stator comprises stator core, and stator core is provided with teeth portion and stator slot.In teeth portion, be wound with three-phase windings by the insulator between stator core, produce rotating magnetic field after winding energising and act on rotor and form rotation torque, drive rotor to rotate.
In above-mentioned concentratred winding motor, because flux concentrating flows in teeth portion, therefore there is the trend that the radial load of stator deformability is increased, especially rotating magnetic field is rectangular wave drive, and due to higher harmonic component, vibration and noise can become large.
In addition, in the past, by adopting, breach was set on the yoke of periphery being positioned at teeth portion, make its not with body contact, the vibration that the radial load concentrating on teeth portion is caused is not directly passed to housing, thus suppresses the vibration of motor.But the vibration of adjacent fingers can make yoke vibrate, thus cannot play the effect preventing motor noise from increasing.Meanwhile, due to closely cooperating of housing and stator core, make stator core produce stress and deform, have impact on the flux path of motor, the iron loss of motor is increased, electric efficiency reduction.
Utility model content
The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model proposes a kind of stator punching, vibration and noise reduction, the efficiency with the motor of this stator punching improve.
The utility model also proposed a kind of motor of said stator punching and have the compressor of this motor of having.
According to stator punching of the present utility model, comprise: yoke, described yoke is formed as annular, the outer peripheral face of described yoke is provided with the multiple breach along its circumferential spaced apart setting, described yoke is provided with along the spaced apart and multiple through holes that are through described yoke vertically of its circumference, the outer peripheral face of the contiguous described yoke of multiple described through hole is arranged, and through hole described in any one is located between two adjacent described breach; Multiple teeth portion, multiple described teeth portion is along the spaced apart inner circumferential being located at described yoke of circumference of described yoke, and each described teeth portion extending radially inwardly respectively along described yoke, limits stator slot between any two adjacent described teeth portion.
According to stator punching of the present utility model, decrease the transmission of vibration to housing of teeth portion, ensure that the flux path of stator core simultaneously, stator core can not because producing stress with closely cooperating of housing and be out of shape, decrease the iron loss loss of stator core, the vibration of the motor with this stator punching and noise are reduced, and the efficiency of motor improves.
In addition, following additional technical characteristic can also be had according to stator punching of the present utility model:
According to an embodiment of the present utility model, described through hole extends 3 times-6 times that are of a size of the thickness of described stator punching along the radial direction of described yoke.
According to an embodiment of the present utility model, described breach is formed as the arc port extended along the circumference of described yoke, and the size that described through hole extends along the circumference of described yoke and described stator slot are 0.6-0.8 along the ratio of the size that the circumference of described yoke extends.
According to an embodiment of the present utility model, the both sides of described breach are opened wide, imaginary line between the mid point of the diapire of described breach and the center of circle of described yoke is vertical with described diapire,, the ratio of the size that described through hole extends along the circumference of described yoke and the isolated distance of adjacent two described breach in the circumference along described yoke is 0.6-0.8.
According to an embodiment of the present utility model, the bar hole that each described through hole is formed as circular port respectively or extends along the circumference of described yoke.
According to an embodiment of the present utility model, each described through hole is formed as respectively.Each described through hole is formed as the oval hole concentric with the periphery of described yoke respectively.
According to an embodiment of the present utility model, multiple described through hole is evenly arranged along the circumference of described yoke is spaced apart.
According to motor of the present utility model, comprising: rotor; Stator core, described stator core is located at the periphery of described rotor, and described stator core comprises multiple stator punching, and multiple described stator punching axially superposes setting along it, and described stator punching is stator punching of the present utility model.
According to compressor of the present utility model, comprise housing and according to motor of the present utility model.
According to an embodiment of the present utility model, the periphery of described yoke is along only supporting described housing, and the minimum radial distance between the outer edge of described through hole and the internal face of described housing equals 3 times-6 times of the thickness of described stator punching.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the structural representation of the motor according to the utility model embodiment;
Fig. 2 is the structural representation according to another embodiment motor of the utility model.
Reference numeral:
Motor 100;
Housing 10;
Stator 20; Stator core 21; Yoke 211; Teeth portion 212; Stator slot 213; Through hole 214; Breach 215; Winding 22.
Rotor 30; Permanent magnet 31.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
Stator punching, motor 100 and the compressor according to the utility model embodiment is described in detail below in conjunction with accompanying drawing.
Shown in seeing figures.1.and.2, comprise rotor 30 and stator core 21 according to the motor 100 of the utility model embodiment, stator core 21 is located at the periphery of rotor 30.The motor 100 according to the utility model embodiment is comprised according to the compressor of the utility model embodiment.Motor 100 is located in the housing 10 of compressor.
Stator core 21 comprises multiple stator punching, and stator punching is the stator punching according to the utility model embodiment.Multiple stator punching is arranged along the axis superposition of stator punching.That is, as shown in Figure 1, multiple stator punching is superimposed along the direction perpendicular to paper.When stator 20 is assemblied in housing 10, the outer of stator punching can be connected on the internal face of housing 10.
Each stator punching comprises yoke 211 and multiple teeth portion 212 respectively, and yoke 211 is positioned at the periphery of stator 20, and yoke 211 abuts the internal face of housing 10.Multiple teeth portion 212 are located at the inner circumferential of yoke 211, and multiple teeth portion 212 is along the spaced apart setting of circumference of yoke 211.Each teeth portion 212 extending radially inwardly respectively along yoke 211, limits stator slot 213 between any two adjacent teeth portion 212.
The outer peripheral face of yoke 211 is provided with multiple breach 215, and multiple breach 215 is along the spaced apart setting of circumference of yoke 211.Yoke 211 is formed as annular, and the outer peripheral edges of yoke 211 are provided with multiple through hole 214.Each through hole 214 is spaced apart and along the through yoke 211 of axis of yoke 211 along the circumference of yoke 211.Any one through hole 214 is located between two adjacent breach 215
According to the stator punching of the utility model embodiment, by arranging breach 215 on the outer peripheral face being positioned at yoke 211, axially through through hole 214 is set on the yoke 211 being positioned at teeth portion 212 periphery simultaneously, when the edge, periphery of yoke 211 abuts the internal face of housing 10, breach 215 on yoke 211 does not contact with housing 10, the periphery of through hole 214 can closely cooperate with housing 10 simultaneously, thus the vibration that can reduce teeth portion 212 is transmitted to housing 10, guarantees the flux path of stator core 21 simultaneously.Stator core 21 because producing stress with closely cooperating of housing 10 and be out of shape, can not decrease the iron loss loss of stator core 21, and the vibration of motor 100 and noise are reduced, and the efficiency of motor 100 improves.According to the utility model embodiment compressor, there is low vibration, low noise and high efficiency feature.
Advantageously, multiple through hole 214 can along the alternate setting of the circumference of yoke 211 with multiple breach 215.That is, be provided with a through hole 214 between two adjacent breach 215, and be provided with a breach 215 between adjacent two through holes 214.Thus, the part between any two adjacent breach 215 of yoke 211 all has a through hole 214, effectively prevent stator core 21 stress and deform, decrease the iron loss loss of stator core 21, the vibration of motor 100 and noise are reduced, and the efficiency of motor 100 improves greatly.
As depicted in figs. 1 and 2, multiple through hole 214 can be evenly arranged along the circumference of yoke 211 is spaced apart.The quantity of through hole 214 rationally can be arranged according to stator 20 size.Such as, in the embodiment shown in fig. 1, yoke 211 is provided with nine through holes 214.In an embodiment as illustrated in figure 2, yoke 211 is provided with six through holes 214.
According to embodiments more of the present utility model, through hole 214 equals 3 times-6 times of the thickness of stator punching along the size L that the radial direction of yoke 211 extends.Minimum radial distance D between the outer edge of through hole 214 and the internal face of housing 10 is 3 times-6 times of the thickness of stator punching.That is, along yoke 211 in the radial direction, the minimum range D between the outer edge of through hole 214 and the internal face of housing 10 equals 3 times of the thickness of stator punching to 6 times.At this, the thickness of stator punching refers to the size that stator punching extends vertically.
The shape of through hole 214 can be formed as multiple, and such as, in embodiments more of the present utility model, each through hole 214 is formed as circular port respectively.Again such as, in other embodiments of utility model, each through hole 214 is formed as the bar hole extended along the circumference of yoke 211 respectively.Further, each through hole 214 can be formed as oval hole respectively, and this oval hole is arranged with the periphery of yoke 211 is concentric.
Motor 100 according to the utility model embodiment can be direct current machine, also can be alternating current machine.As shown in Figure 1, be direct current machine according to the motor 100 of the utility model embodiment.As shown in Figure 2, alternating current machine is formed as according to the motor 100 of the utility model embodiment.
Particularly, as shown in Figure 2, motor 100 comprises stator 20 and rotor 30.Stator 20 stator core 21 and winding 22, the yoke 211 that stator core 21 comprises ring-type and the teeth portion 212 be configured in inside yoke 211, in the stator slot 213 of winding 22 winding between teeth portion 212.Rotor 30 also rotatably keeps by air gap is relative with the inner circle of stator 20, and the inside of rotor 30 is provided with permanent magnet 31; A part for the periphery of stator 20 and housing 10 closely cooperate and remain in its housing 10.
The periphery of yoke 211 is provided with multiple breach 215, and multiple breach 215 is formed as the arc port extended along the circumference of yoke 211, and arc port is through yoke 211 vertically.When in order to easily manufactured and when arranging mark groove on yoke 211, breach 215 can adopt mark groove to replace.Yoke 211 is provided with axially through through hole 214.Distance D between the outer edge of through hole 214 and the internal face of housing 10 is 4 times of the thickness of stator punching.
Through hole 214 equals 3.5 times of the thickness of stator punching along the size L that the radial direction of yoke 211 extends.The size S1 that through hole 214 extends along the circumference of yoke 211 and stator slot 213 are 0.8 along the ratio of the size S2 that the circumference of yoke 211 extends.Certainly, this ratio is not limited only to 0.8, suitably can change between 0.6-0.8.
As shown in Figure 3, motor 100 comprises stator core 21.The yoke 211 that stator core 21 is provided with ring-type and the teeth portion 212 be configured in inside yoke 211.A part for the periphery of stator core 21 and housing 10 closely cooperate and remain in housing 10.Particularly, the periphery of yoke 211 is provided with breach 215, and breach 215 is through arc port vertically.Simultaneously along in yoke 211 circumference, the both sides of breach 215 are opened wide, and the imaginary line between the mid point of the diapire of breach 215 and the center of circle of yoke 215 is vertical with diapire.
That is, this breach 215 can be formed by plane cutting yoke 211 periphery, forms similar meniscate structure between breach 215 and housing 10.Part and the housing 10 of the removing breach 215 of the periphery of stator core 21 closely cooperate and remain in its housing 10.When yoke 211 being arranged mark groove, mark groove can be adopted to replace for breach 215 or mark groove is located on breach 215.
Yoke 211 is provided with axially through through hole 214.Distance D between the outer edge of through hole 214 and the internal face of housing 10 is 4 times of the thickness of stator punching.Through hole 214 equals 3.5 times of the thickness of stator punching along the size L that the radial direction of yoke 211 extends.
The ratio of the size S1 that through hole 214 extends along the circumference of yoke 211 and adjacent two the distance S3s of breach 215 in the circumference along yoke 211 is 0.8.That is, the ratio of the size S1 that extends along the circumference of yoke 211 of the through hole 214 and isolated distance S3 of adjacent two breach 215 in the circumference along yoke 211 is 0.8.Certainly, this ratio is not limited only to 0.8, suitably can change between 0.6-0.8.Wherein, the contact size of internal face in the circumference of yoke 211 of the isolated distance S3 of adjacent two breach 215 in the circumference along yoke 211 part and housing 10 that are yoke 211.
It should be noted that, S1 and S3 shown in S1 and S2 shown in Fig. 1 and Fig. 2 is the arc length extended along the circumference of yoke 211, but not the straight length of direct line between 2.
To sum up, to vibrate according to the motor 100 of the embodiment of the present invention and noise reduces, efficiency raising.
To form according to other of the motor 100 of the utility model embodiment and compressor and operation is known for the person of ordinary skill of the art, be not described in detail at this.
In description of the present utility model, it will be appreciated that, term " length ", " width ", " thickness ", " on ", D score, " interior ", " outward ", " axis ", " radial direction ", the orientation of the instruction such as " circumference " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
In description of the present utility model, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, the concrete meaning of above-mentioned term in the utility model can be understood as the case may be.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present utility model or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.
Claims (10)
1. a stator punching, is characterized in that, comprising:
Yoke, described yoke is formed as annular, the outer peripheral face of described yoke is provided with the multiple breach along its circumferential spaced apart setting, described yoke is provided with along the spaced apart and multiple through holes that are through described yoke vertically of its circumference, and the outer peripheral face of the contiguous described yoke of multiple described through hole arranges and through hole described in any one is located between two adjacent described breach;
Multiple teeth portion, multiple described teeth portion is along the spaced apart inner circumferential being located at described yoke of circumference of described yoke, and each described teeth portion extending radially inwardly respectively along described yoke, limits stator slot between any two adjacent described teeth portion.
2. stator punching according to claim 1, is characterized in that, described through hole extends 3 times-6 times that are of a size of the thickness of described stator punching along the radial direction of described yoke.
3. stator punching according to claim 1, it is characterized in that, described breach is formed as the arc port extended along the circumference of described yoke, and the size that described through hole extends along the circumference of described yoke and described stator slot are 0.6-0.8 along the ratio of the size that the circumference of described yoke extends.
4. stator punching according to claim 1, it is characterized in that, the both sides of described breach are opened wide, imaginary line between the mid point of the diapire of described breach and the center of circle of described yoke is vertical with described diapire, and the ratio of the size that described through hole extends along the circumference of described yoke and adjacent two described breach isolated distance in the circumference along described yoke is 0.6-0.8.
5. stator punching according to claim 1, is characterized in that, the bar hole that each described through hole is formed as circular port respectively or extends along the circumference of described yoke.
6. stator punching according to claim 5, is characterized in that, each described through hole is formed as the oval hole concentric with the periphery of described yoke respectively.
7. stator punching according to claim 1, is characterized in that, multiple described through hole is evenly arranged along the circumference of described yoke is spaced apart.
8. a motor, is characterized in that, comprising:
Rotor;
Stator core, described stator core is located at the periphery of described rotor, and described stator core comprises multiple stator punching, and multiple described stator punching axially superposes setting along it, and described stator punching is the stator punching according to any one of claim 1-7.
9. a compressor, is characterized in that, comprises housing and motor according to claim 8.
10. compressor according to claim 9, is characterized in that, the periphery of described yoke is along only supporting described housing, and the minimum radial distance between the outer edge of described through hole and the internal face of described housing equals 3 times-6 times of the thickness of described stator punching.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683718.0U CN204156622U (en) | 2014-11-14 | 2014-11-14 | Stator punching, motor and compressor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420683718.0U CN204156622U (en) | 2014-11-14 | 2014-11-14 | Stator punching, motor and compressor |
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| CN204156622U true CN204156622U (en) | 2015-02-11 |
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| CN201420683718.0U Active CN204156622U (en) | 2014-11-14 | 2014-11-14 | Stator punching, motor and compressor |
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| CN105375659A (en) * | 2015-11-19 | 2016-03-02 | 珠海凌达压缩机有限公司 | Motor core structure and air conditioner compressor with same |
| CN105449878A (en) * | 2015-12-16 | 2016-03-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor stator structure and motor |
| CN105471156A (en) * | 2016-02-05 | 2016-04-06 | 上海市雷智电机有限公司 | Motor |
| CN106059130A (en) * | 2016-06-30 | 2016-10-26 | 广东美芝制冷设备有限公司 | Motor stator for compressor, motor equipped with motor stator, and compressor equipped with motor |
| 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 |
| CN107425619A (en) * | 2017-08-28 | 2017-12-01 | 广东美芝制冷设备有限公司 | Stator module, motor and compressor |
| CN108288879A (en) * | 2017-01-09 | 2018-07-17 | 通用电气航空系统有限责任公司 | Stator for motor supports |
| CN109149802A (en) * | 2017-06-15 | 2019-01-04 | 辽宁启明汽车电器有限公司 | A kind of winding generator stator core of yoke portion hollow out |
| CN109510334A (en) * | 2018-12-20 | 2019-03-22 | 常州神力电机股份有限公司 | A kind of novel wind power self-adhesive stator punching |
| CN109936229A (en) * | 2017-12-15 | 2019-06-25 | 德昌电机(深圳)有限公司 | Motor and its electric machine assembly |
| CN110401270A (en) * | 2019-08-16 | 2019-11-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator structure, motor and compressor |
| CN111293797A (en) * | 2018-12-06 | 2020-06-16 | 操纵技术Ip控股公司 | Permanent magnet motor stator |
| CN113794290A (en) * | 2021-09-13 | 2021-12-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor, compressor and air conditioner |
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| CN105375659A (en) * | 2015-11-19 | 2016-03-02 | 珠海凌达压缩机有限公司 | Motor core structure and air conditioner compressor with same |
| CN105375659B (en) * | 2015-11-19 | 2018-12-04 | 珠海凌达压缩机有限公司 | Motor core structure and air conditioner compressor with same |
| CN105449878A (en) * | 2015-12-16 | 2016-03-30 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor stator structure and motor |
| CN105449878B (en) * | 2015-12-16 | 2019-02-22 | 珠海格力电器股份有限公司 | Motor stator structure and motor |
| CN105471156B (en) * | 2016-02-05 | 2018-02-02 | 上海市雷智电机有限公司 | A kind of motor |
| CN105471156A (en) * | 2016-02-05 | 2016-04-06 | 上海市雷智电机有限公司 | Motor |
| CN106059130A (en) * | 2016-06-30 | 2016-10-26 | 广东美芝制冷设备有限公司 | Motor stator for compressor, motor equipped with motor stator, and compressor equipped with motor |
| CN108288879A (en) * | 2017-01-09 | 2018-07-17 | 通用电气航空系统有限责任公司 | Stator for motor supports |
| CN108288879B (en) * | 2017-01-09 | 2020-05-05 | 通用电气航空系统有限责任公司 | Stator support for an electric machine |
| US10819182B2 (en) | 2017-01-09 | 2020-10-27 | Ge Aviation Systems Llc | Stator support for an electric machine |
| CN109149802A (en) * | 2017-06-15 | 2019-01-04 | 辽宁启明汽车电器有限公司 | A kind of winding generator stator core of yoke portion hollow out |
| 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 |
| CN107425619A (en) * | 2017-08-28 | 2017-12-01 | 广东美芝制冷设备有限公司 | Stator module, motor and compressor |
| CN107425619B (en) * | 2017-08-28 | 2023-04-18 | 广东美芝制冷设备有限公司 | Stator module, motor and compressor |
| CN109936229A (en) * | 2017-12-15 | 2019-06-25 | 德昌电机(深圳)有限公司 | Motor and its electric machine assembly |
| CN111293797A (en) * | 2018-12-06 | 2020-06-16 | 操纵技术Ip控股公司 | Permanent magnet motor stator |
| US11515750B2 (en) | 2018-12-06 | 2022-11-29 | Steering Solutions Ip Holding Corporation | Permanent magnet machine stator |
| CN111293797B (en) * | 2018-12-06 | 2023-08-18 | 操纵技术Ip控股公司 | Permanent magnet motor stator |
| CN109510334A (en) * | 2018-12-20 | 2019-03-22 | 常州神力电机股份有限公司 | A kind of novel wind power self-adhesive stator punching |
| CN109510334B (en) * | 2018-12-20 | 2023-10-20 | 常州神力电机股份有限公司 | Novel wind power self-adhesive stator punching sheet |
| CN110401270A (en) * | 2019-08-16 | 2019-11-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Stator structure, motor and compressor |
| CN113794290A (en) * | 2021-09-13 | 2021-12-14 | 珠海格力节能环保制冷技术研究中心有限公司 | Motor, compressor and air conditioner |
| 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 |
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