CN107425624B - Motor stator, motor and compressor - Google Patents
Motor stator, motor and compressor Download PDFInfo
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- CN107425624B CN107425624B CN201710749998.9A CN201710749998A CN107425624B CN 107425624 B CN107425624 B CN 107425624B CN 201710749998 A CN201710749998 A CN 201710749998A CN 107425624 B CN107425624 B CN 107425624B
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- stator
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- yoke
- stator tooth
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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
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K15/00—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines
- H02K15/02—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies
- H02K15/024—Methods or apparatus specially adapted for manufacturing, assembling, maintaining or repairing of dynamo-electric machines of stator or rotor bodies with slots
- H02K15/026—Wound cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
- H02K3/12—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors arranged in slots
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/24—Casings; Enclosures; Supports specially adapted for suppression or reduction of noise or vibrations
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The application provides a motor stator, a motor and a compressor, wherein the motor stator and a stator tooth part are provided with rotor holes, and a plurality of stator teeth are arranged on the stator tooth part at intervals in the circumferential direction; the stator yoke is provided with an accommodating hole, the stator yoke is sleeved on the stator tooth part through the accommodating hole, a plurality of concave parts are arranged on the side wall of the accommodating hole at intervals, and a matching part matched with the stator tooth is arranged between two adjacent concave parts; an armature winding located in the receiving hole and wound around the plurality of stator teeth; the stator tooth part and the stator yoke part are of split type structure and are in interference fit, the diameter of the stator tooth part at the stator tooth part is D1, and the diameter of the part where the stator yoke part and the stator tooth are mutually matched is D2, wherein D1-D2 is more than 0mm and less than or equal to 0.1mm. The winding notch of the stator can be arranged larger, so that the high slot filling rate of the motor can be ensured, the winding of the flat wire is realized, and the motor efficiency is improved. The stator is a closed slot, and can also reduce the vibration of the motor to reduce noise.
Description
Technical Field
The application relates to the field of household appliances, in particular to a motor stator, a motor and a compressor.
Background
At present, as shown in fig. 1, the permanent magnet synchronous motor comprises a motor stator 1' and a motor rotor 2', wherein teeth and a yoke of the motor stator 1' are of an integrated structure, a notch is formed between a tooth tip and a tooth tip, an armature winding of the motor winds the winding on a stator tooth through the notch, the notch of the stator is relatively large in order to meet automatic winding, the radial direction of the notch to the bottom of the slot can not be wound, winding intersections enable winding arrangement to be irregular, the full slot rate of the motor is low, the motor efficiency can not be further improved, and the power density of the motor can not be further improved. In addition, the structure also enables the notch of the motor stator to be larger, so that the harmonic content of the air gap flux density waveform is high, the cogging torque pulsation is large, the motor vibration is large, and the noise is large. In order to further improve the utilization rate of the motor slot, the electromagnetic wire needs to be flat wire, so that the motor efficiency and the power density can be improved, but the teeth and the yoke of the stator of the existing permanent magnet synchronous motor are of an integrated structure, the flat wire is directly wound on the stator teeth, a flat wire knob can appear, the flat wire is not orderly arranged, the winding end is high, the flat wire knob is easy to generate insulation damage, so that the motor winding manufacturing yield is low, and therefore the flat wire cannot be directly wound on the stator teeth. The flat wire adopts a formed coil and is directly inserted on the stator teeth, so that the flat wire is a better method for solving the problem of application of the flat wire, but a new stator structure is needed.
Therefore, how to provide a new motor stator with high slot filling rate, high motor efficiency, small vibration and low noise is a current problem to be solved.
Disclosure of Invention
The present application aims to solve at least one of the technical problems existing in the prior art.
To this end, an object of the present application is to provide a motor stator.
Another object of the present application is to provide an electric machine comprising the above-mentioned electric machine stator.
It is still another object of the present application to provide a compressor including the above motor.
To achieve the above object, an embodiment of a first aspect of the present application provides a motor stator, including: a stator tooth part on which a rotor hole is provided, a plurality of stator teeth being provided at intervals in a circumferential direction of the stator tooth part; the stator yoke is provided with an accommodating hole, the stator yoke is sleeved on the stator tooth part through the accommodating hole, a plurality of concave parts are arranged on the side wall of the accommodating hole at intervals, and a matching part matched with the stator tooth is arranged between two adjacent concave parts; an armature winding located in the receiving hole and wound around the plurality of stator teeth; the stator tooth part and the stator yoke part are of split type structures, interference fit is achieved between the stator tooth part and the accommodating hole, the diameter of the stator tooth part at the stator tooth part is D1, and the diameter of a part of the stator yoke part, which is matched with the stator tooth, is D2, wherein D1-D2 is more than 0mm and less than or equal to 0.1mm.
According to the motor stator provided by the embodiment of the application, the stator tooth part and the stator yoke part are of a split structure, so that the tooth yoke of the stator can be separated, and therefore, when in winding, an armature winding can be wound on the stator tooth of the stator tooth part, and then the stator yoke part is sleeved outside the stator tooth part. This kind of structure can be with the wire winding notch setting of stator great to can ensure the groove full rate of motor, and then can further improve motor efficiency. Meanwhile, the stator is a closed slot, so that not only can the cogging torque pulsation be effectively reduced, but also the vibration of the motor can be reduced, and the noise is reduced. Meanwhile, the stator tooth parts and the accommodating holes can be preferably arranged into interference fit, so that the stator tooth parts and the stator yoke parts are more tightly matched, the slot filling rate of the motor can be further improved, the motor efficiency can be further improved, and the vibration of the motor is reduced, so that the noise is reduced. Specifically, when the stator tooth part is in interference fit with the accommodating hole, the diameter of the stator tooth part is preferably 0mm-0.1mm larger than the diameter of the accommodating hole. The stator tooth part and the containing hole are in interference fit, and the size of the stator tooth part and the size of the containing hole are proper, so that the installation is convenient. Further, since the plurality of stator teeth are disposed at intervals from each other, the inner wall surface of the stator yoke can be divided into two parts, that is, one is a fitting part disposed corresponding to the stator teeth and the other is a recess between the corresponding two stator teeth, and preferably, the recess is sized so that the stator teeth can be high-impact-manufactured while being placed at the corresponding recess positions.
In addition, the motor stator provided by the embodiment of the application has the following additional technical characteristics:
in the above technical solution, preferably, the stator yoke is sleeved on the stator tooth portion in an interference manner through a hot sleeve process.
In the technical schemes, when the motor stator is produced and processed, the stator yoke part can be heated first, and then the shrink fit is realized for the installation of interference fit between the stator yoke part and the stator tooth part. By the mode, the stator yoke part and the stator tooth part are firmly installed in an interference fit mode.
In any of the above embodiments, preferably, the concave portion is a plane or an arc surface.
In these embodiments, the recess may be either a plane or an arc, preferably an arc.
In any of the above technical solutions, preferably, the shape of the end portion of the stator tooth is a plane or an arc surface, and the shape of the mating portion and the shape of the end portion of the stator tooth are mutually adapted.
In the technical schemes, the shape of the end part of the stator tooth is a plane or an arc surface, for example, the shape of the matching part is matched with the shape of the end part of the stator tooth, so that the stator tooth and the stator yoke can be matched better, and the stator tooth and the stator yoke can be matched with each other to realize interference fit by adopting the same silicon steel plate for high-impact manufacturing.
In any of the above technical solutions, preferably, the stator tooth portion is formed by stacking a plurality of silicon steel plates; adjacent two stator teeth are connected through tooth tips, and the minimum radial width of the stator tooth parts at the tooth tips is larger than the thickness of the silicon steel plate.
In the technical schemes, two stator teeth of the stator tooth part are connected through the tooth tip, the minimum radial width of the tooth tip is not easy to be too small, and is at least larger than the thickness of the silicon steel plate, so that the strength of the stator teeth can be ensured.
In any of the above solutions, preferably, the number of the plurality of stator teeth is 6 or 9 or 12, and the plurality of stator teeth are arranged in a central symmetry manner with respect to the center of the rotor hole.
In these solutions, the number of stator teeth may be set according to actual needs, and specifically, the number of the plurality of stator teeth may be set to 6 or 9 or 12. Furthermore, it may be preferable to arrange a plurality of stator teeth symmetrically about the center of the rotor bore, which enables a uniform force of the stator in all directions.
In any of the above aspects, preferably, the stator teeth and the stator yoke are each made of a silicon steel plate.
In these embodiments, the stator teeth and the stator yoke are preferably manufactured from a silicon steel plate, which is relatively common and has good performance, so that the performance of the stator teeth and the stator yoke can be ensured.
In any of the above embodiments, preferably, the stator teeth and the stator yoke are made of the same silicon steel plate.
In the technical schemes, as each silicon steel plate has a difference after processing, the same silicon steel plate can be preferably used for processing the stator tooth part and the stator yoke part, so that the consistent performance parameters such as the thickness of the stator tooth part and the stator yoke part can be ensured, and the matching between the stator tooth part and the stator yoke part can be better.
In any of the above aspects, preferably, the motor stator further includes: the insulating wire frame can be sleeved on the stator teeth, and the armature winding is wound on the insulating wire frame.
In the technical schemes, the coil can be wound on the insulating wire frame in advance, and then the insulating wire frame is directly sleeved on the stator tooth part, so that the winding of the coil is not needed on site, on the one hand, the processing efficiency can be improved, and on the other hand, the winding of the coil can be tidier, and therefore, the slot filling rate of the motor, the efficiency of the motor and the power density of the motor can be further improved.
Preferably, the armature winding is formed by winding a coil, and the coil is a flat wire.
In the technical scheme, when the coil is used for winding the armature winding, the coil is preferably a flat wire, so that the flat wire can be wound on the insulating wire frame firstly, then the insulating wire frame is directly inserted on the stator teeth, the problem that the flat wire is not orderly arranged and is high in winding end, and the flat wire is easy to break in insulation so that the motor winding manufacturing yield is low can be solved. In addition, the coil is preferably a flat wire, and the utilization rate of the motor slot is improved by 20% compared with the existing circular electromagnetic wire scheme, so that the full rate of the motor slot, the efficiency of the motor and the power density of the motor can be further improved.
Embodiments of the second aspect of the present application provide an electric machine comprising a machine stator provided by any of the embodiments of the first aspect; and the motor rotor is arranged in a rotor hole of the stator tooth part of the motor stator.
The motor provided according to the embodiment of the present application has the motor stator provided in any embodiment of the first aspect, and therefore, the motor provided in the embodiment of the present application has all the advantages of the motor stator provided in any embodiment of the first aspect, which are not listed here.
An embodiment of a third aspect of the application provides a compressor comprising the motor provided by any of the embodiments of the first aspect.
The compressor provided according to the embodiment of the present application has the motor provided in any embodiment of the first aspect, and therefore, the compressor provided in the embodiment of the present application has all the advantages of the motor provided in any embodiment of the first aspect, which are not listed here.
Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic view of a part of a structure of a motor stator provided according to a conventional embodiment.
The correspondence between the reference numerals and the component names in fig. 1 is:
1 'motor stator, 2' motor rotor.
Fig. 2 is a schematic view of a part of a structure of a motor stator according to an embodiment of the present application;
fig. 3 is a schematic structural view of a stator yoke of a motor stator according to an embodiment of the present application;
fig. 4 is a schematic structural view of a stator tooth portion of a motor stator according to an embodiment of the present application;
fig. 5 is a block diagram of a stator yoke and stator teeth of a motor stator according to an embodiment of the present application during high-impact manufacturing;
fig. 6 is a schematic structural view of a motor according to an embodiment of the present application.
Wherein, the correspondence between the reference numerals and the component names in fig. 2 to 6 is:
1 motor stator, 12 stator teeth, 122 rotor holes, 124 stator teeth, 126 teeth tips, 14 stator yoke, 142 receiving holes, 144 recesses, 146 mating parts, 16 armature windings, 2 electronic rotor.
Detailed Description
In order that the above-recited objects, features and advantages of the present application will be more clearly understood, a more particular description of the application will be rendered by reference to the appended drawings and appended detailed description. It should be noted that, without conflict, the embodiments of the present application and features in the embodiments may be combined with each other.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, the present application may be practiced otherwise than as described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.
A motor stator 1, a motor, and a compressor provided according to an embodiment of the present application are described below with reference to fig. 2 to 6.
As shown in fig. 2 to 6, an embodiment of a first aspect of the present application provides a motor stator 1, comprising: a stator tooth 12, rotor holes 122 are formed in the stator tooth 12, and a plurality of stator teeth 124 are formed in the stator tooth 12 at intervals in the circumferential direction; the stator yoke 14, the stator yoke 14 is provided with a containing hole 142, the stator yoke 14 is sleeved on the stator tooth 12 through the containing hole 142, a plurality of concave parts 144 are arranged on the side wall of the containing hole 142 at intervals, and a matching part 146 matched with the stator tooth 124 is arranged between two adjacent concave parts 144; an armature winding 16 located in the receiving hole 142 and wound on the plurality of stator teeth 124; the stator tooth 12 and the stator yoke 14 are of split type structure, the stator tooth 12 and the accommodating hole 142 are in interference fit, the diameter of the stator tooth 12 at the stator tooth 124 is D1, and the diameter of the part of the stator yoke 14, which is matched with the stator tooth 124, is D2, wherein D1-D2 is more than 0mm and less than or equal to 0.1mm.
According to the motor stator 1 provided by the embodiment of the application, since the stator tooth part 12 and the stator yoke part 14 are of a split structure, the tooth yoke of the stator can be separated, so that the armature winding 16 can be wound on the stator tooth 124 of the stator tooth part 12 first during winding, and then the stator yoke part 14 is sleeved outside the stator tooth part 12. This kind of structure can be with the wire winding notch setting of stator great to can ensure the groove full rate of motor, and then can further improve motor efficiency. Meanwhile, the stator is a closed slot, so that not only can the cogging torque pulsation be effectively reduced, but also the vibration of the motor can be reduced, and the noise is reduced. Meanwhile, the stator tooth 12 and the accommodating hole 142 are preferably arranged to be in interference fit, so that the stator tooth 12 and the stator yoke are more tightly matched, the slot filling rate of the motor can be further improved, the motor efficiency can be further improved, and the vibration of the motor is reduced, so that noise is reduced. Specifically, when the stator tooth 12 is interference fitted with the receiving hole 142, the stator tooth 12 is preferably 0mm to 0.1mm larger in diameter at the stator teeth 124 than the receiving hole 142. This facilitates the installation of the stator teeth 12 by allowing an interference fit with the receiving holes 142 and by allowing the stator teeth 12 to be sized appropriately with the receiving holes 142. Further, since the plurality of stator teeth 124 are disposed at intervals from each other, the inner wall surface of the stator yoke may be divided into two parts, that is, one is the fitting portion 146 disposed corresponding to the stator teeth 124 and the other is the recess 144 between the corresponding two stator teeth 124, and it is preferable that the recess 144 is sized so that the stator teeth 12 can be high-impact manufactured while being placed at the position corresponding to the recess 144.
In any of the above embodiments, the stator yoke 14 is preferably shrink fit over the stator teeth 12 by a shrink fit process.
In these embodiments, the stator yoke 14 may be heated prior to shrink fit installation with the stator teeth 12 during manufacture of the motor stator 1. In this way, the stator yoke 14 and the stator teeth 12 can be mounted with an interference fit more firmly.
In any of the above embodiments, the recess 144 is preferably planar, as shown in fig. 3, although the recess 144 may be curved.
In these embodiments, the recess 144 may be either a flat surface or an arcuate surface, preferably an arcuate surface.
In any of the above embodiments, preferably, as shown in fig. 3, the end shape of the stator teeth 124 is planar, and of course, the end shape of the stator teeth 124 may also be an arc surface, and the shape of the mating portion 146 and the end shape of the stator teeth 124 are mutually matched.
In these embodiments, the shape of the end of the stator tooth 124 may be a plane, such as a circular arc, and the shape of the mating portion 146 and the shape of the end of the stator tooth 124 are mutually matched, so that the stator tooth 124 and the stator yoke can be better mated, and the stator tooth 124 and the stator yoke can be mated by adopting the same silicon steel plate for high-impact manufacturing to realize interference fit.
In any of the above embodiments, preferably, as shown in fig. 4, the stator tooth 12 is formed by stacking a plurality of silicon steel plates; adjacent two stator teeth 124 are connected by a tooth tip 126, and the minimum radial width L1 of the stator tooth 12 at the tooth tip 126 is greater than the thickness of the silicon steel plate.
In these embodiments, the two stator teeth 124 of the stator tooth portion 12 are connected by the tooth tip 126, and the minimum radial width of the tooth tip 126 is not easily too small, at least greater than the thickness of the silicon steel plate, so that the strength of the stator teeth 124 can be ensured.
In any of the above embodiments, preferably, as shown in fig. 2 to 6, the number of the plurality of stator teeth 124 is 9, and the number of the stator teeth 124 may be 6 to 12, as shown in fig. 2, 4 to 6, and the plurality of stator teeth 124 are arranged in a central symmetry with respect to the center of the rotor hole 122.
In these embodiments, the number of the stator teeth 124 may be set according to actual needs, and specifically, the number of the plurality of stator teeth 124 may be set to 6 or 9 or 12. In addition, the plurality of stator teeth 124 may preferably be symmetrically disposed about the center of the rotor bore 122, which enables uniform forces of the stator in all directions.
In any of the above embodiments, it is preferable that the stator teeth 12 and the stator yoke 14 are each made of a silicon steel plate.
In these embodiments, the stator teeth 12 and the stator yoke 14 are preferably machined from a silicon steel plate, which is relatively common and performs well, thus ensuring the performance of the stator teeth 12 and the stator yoke 14.
In any of the above embodiments, the stator teeth 12 and the stator yoke 14 are preferably made of the same silicon steel plate.
In these embodiments, since each silicon steel plate is different after machining, the stator teeth 12 and the stator yoke 14 can be machined by preferably using the same silicon steel plate, so that the consistent performance parameters such as the thickness of the stator teeth 12 and the stator yoke 14 can be ensured, and the fit between the stator teeth 12 and the stator yoke can be better.
In any of the above embodiments, preferably, the motor stator 1 further includes: an insulating wire frame can be sleeved on the stator teeth, and the armature winding 16 is wound on the insulating wire frame.
In these embodiments, the coil may be wound on the insulating wire frame in advance, and then the insulating wire frame is directly sleeved on the stator tooth portion 12, so that the winding of the coil is not required on site, and therefore, on the one hand, the processing efficiency can be improved, and on the other hand, the winding of the coil can be more neat, and therefore, the slot filling rate of the motor, the efficiency of the motor and the power density of the motor can be further improved.
Preferably, the armature winding 16 is formed by winding a coil, which is a flat wire.
In this embodiment, when the coil is used to wind the armature winding 16, the coil is preferably a flat wire, so that the flat wire can be wound on the insulating wire frame first, and then the insulating wire frame is directly inserted on the stator teeth, so that the problem that the flat wire is not orderly arranged, the winding end is high, and the flat wire is easy to break due to insulation damage, so that the manufacturing yield of the motor winding is low can be solved. In addition, the coil is preferably a flat wire, and the utilization rate of the motor slot is improved by 20% compared with the existing circular electromagnetic wire scheme, so that the full rate of the motor slot, the efficiency of the motor and the power density of the motor can be further improved.
As shown in fig. 6, an embodiment of the second aspect of the present application provides an electric machine comprising an electric machine stator 1 provided by any one of the embodiments of the first aspect; the motor rotor 2 is mounted in the rotor hole 122 of the stator tooth 12 of the motor stator 1.
The motor provided according to the embodiment of the present application has the motor stator 1 provided according to any embodiment of the first aspect, and therefore, the motor provided according to the embodiment of the present application has all the advantages of the motor stator 1 provided according to any embodiment of the first aspect, which are not listed here.
An embodiment of a third aspect of the application provides a compressor comprising the motor provided by any of the embodiments of the first aspect.
The compressor provided according to the embodiment of the present application has the motor provided in any embodiment of the first aspect, and therefore, the compressor provided in the embodiment of the present application has all the advantages of the motor provided in any embodiment of the first aspect, which are not listed here.
In the description of the present specification, the terms "connected," "mounted," "secured," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present specification, the terms "one embodiment," "some embodiments," "particular embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above is only a preferred embodiment of the present application, and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (8)
1. A motor stator, comprising:
a stator tooth part on which a rotor hole is provided, a plurality of stator teeth being provided at intervals in a circumferential direction of the stator tooth part;
the stator yoke is provided with an accommodating hole, the stator yoke is sleeved on the stator tooth part through the accommodating hole, a plurality of concave parts are arranged on the side wall of the accommodating hole at intervals, and a matching part matched with the stator tooth is arranged between two adjacent concave parts;
an armature winding located in the receiving hole and wound around the plurality of stator teeth;
the stator tooth part and the stator yoke part are of split type structures, the stator tooth part and the accommodating hole are in interference fit, the diameter of the stator tooth part at the stator tooth part is D1, and the diameter of the part where the stator yoke part and the stator tooth are mutually matched is D2, wherein D1-D2 is more than 0mm and less than or equal to 0.1mm;
the stator tooth part is formed by overlapping a plurality of silicon steel plates;
adjacent two stator teeth are connected through a tooth tip, and the minimum radial width of the stator tooth part at the tooth tip is larger than the thickness of the silicon steel plate;
the plurality of stator teeth are arranged in a central symmetry manner at the center of the rotor hole;
the insulating wire frame can be sleeved on the stator teeth, and the armature winding is wound on the insulating wire frame;
the armature winding is formed by winding a coil, and the coil is a flat wire;
the stator teeth and the stator yoke have a uniform thickness.
2. The motor stator according to claim 1, wherein,
the stator yoke part is sleeved on the stator tooth part in an interference manner through a hot sleeve process.
3. The motor stator according to claim 1, wherein,
the concave part is a plane or an arc surface; and/or
The shape of the end part of the stator tooth is a plane or an arc surface, and the shape of the matching part is mutually matched with the shape of the end part of the stator tooth.
4. An electric motor stator according to any one of claims 1 to 3, characterized in that,
the number of the plurality of stator teeth is 6 or 9 or 12.
5. An electric motor stator according to any one of claims 1 to 3, characterized in that,
the stator teeth and the stator yoke are made of silicon steel plates.
6. An electric motor stator according to any one of claims 1 to 3, characterized in that,
the stator teeth and the stator yoke are made of the same silicon steel plate.
7. An electric machine, comprising:
a motor stator as claimed in any one of claims 1 to 6;
and the motor rotor is arranged in a rotor hole of the stator tooth part of the motor stator.
8. A compressor comprising the motor of claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749998.9A CN107425624B (en) | 2017-08-28 | 2017-08-28 | Motor stator, motor and compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710749998.9A CN107425624B (en) | 2017-08-28 | 2017-08-28 | Motor stator, motor and compressor |
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| Publication Number | Publication Date |
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| CN107425624A CN107425624A (en) | 2017-12-01 |
| CN107425624B true CN107425624B (en) | 2023-09-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710749998.9A Active CN107425624B (en) | 2017-08-28 | 2017-08-28 | Motor stator, motor and compressor |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109412285A (en) * | 2018-11-26 | 2019-03-01 | 成都富临精工电子电器科技有限公司 | A kind of non-brush permanent-magnet DC motor stator structure |
| CN110768501A (en) * | 2019-10-10 | 2020-02-07 | 珠海格力电器股份有限公司 | Efficient stator core, stator assembling and forming method, motor and air conditioner |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007104879A (en) * | 2005-10-07 | 2007-04-19 | Sumitomo Electric Ind Ltd | Split core for dynamo-electric machine, and stator using that split core |
| CN204741349U (en) * | 2015-05-15 | 2015-11-04 | 温岭市宇海机电有限公司 | Split combined type motor stator |
| CN207134885U (en) * | 2017-08-28 | 2018-03-23 | 广东美芝制冷设备有限公司 | motor stator, motor and compressor |
-
2017
- 2017-08-28 CN CN201710749998.9A patent/CN107425624B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007104879A (en) * | 2005-10-07 | 2007-04-19 | Sumitomo Electric Ind Ltd | Split core for dynamo-electric machine, and stator using that split core |
| CN204741349U (en) * | 2015-05-15 | 2015-11-04 | 温岭市宇海机电有限公司 | Split combined type motor stator |
| CN207134885U (en) * | 2017-08-28 | 2018-03-23 | 广东美芝制冷设备有限公司 | motor stator, motor and compressor |
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| CN107425624A (en) | 2017-12-01 |
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