CN114256998A - Stator punch, stator core, motor and vehicle - Google Patents
Stator punch, stator core, motor and vehicle Download PDFInfo
- Publication number
- CN114256998A CN114256998A CN202111367803.7A CN202111367803A CN114256998A CN 114256998 A CN114256998 A CN 114256998A CN 202111367803 A CN202111367803 A CN 202111367803A CN 114256998 A CN114256998 A CN 114256998A
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- stator
- yoke
- stator core
- tooth
- motor
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- 238000004080 punching Methods 0.000 claims abstract description 22
- 238000003475 lamination Methods 0.000 claims description 19
- 238000013016 damping Methods 0.000 claims description 10
- 210000005056 cell body Anatomy 0.000 claims description 8
- 238000004804 winding Methods 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000010030 laminating Methods 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000002826 coolant Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 16
- 230000005540 biological transmission Effects 0.000 abstract description 10
- 230000005284 excitation Effects 0.000 abstract description 10
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000002401 inhibitory effect Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000003313 weakening effect Effects 0.000 description 2
- 229920002943 EPDM rubber Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- HIHIPCDUFKZOSL-UHFFFAOYSA-N ethenyl(methyl)silicon Chemical compound C[Si]C=C HIHIPCDUFKZOSL-UHFFFAOYSA-N 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K1/00—Details of the magnetic circuit
- H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
- H02K1/12—Stationary parts of the magnetic circuit
- H02K1/16—Stator cores with slots for windings
- H02K1/165—Shape, form or location of the slots
-
- 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
- H02K1/20—Stationary parts of the magnetic circuit with channels or ducts for flow of cooling medium
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
Abstract
The embodiment of the application provides a stator punching, stator core, motor and vehicle, wherein stator core includes: the yoke part, the tooth part and the first groove body; the number of the teeth is multiple, and the teeth are arranged at intervals along the circumferential direction of the yoke; the number of the first groove bodies is multiple, and each first groove body is arranged at one end, close to the tooth root, of each tooth part along the axial direction of the yoke part. The stator punching sheet provided by the embodiment of the application can utilize the first groove body to decompose the radial electromagnetic force, optimize the transmission path of the radial electromagnetic force, weaken the excitation effect of the radial electromagnetic force on the stator core, further weaken the vibration of the motor shell, lighten the noise, and be favorable for lightening the vibration and the noise of the whole motor and inhibiting the NVH level of a vehicle.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a stator punching sheet, a stator core, a motor and a vehicle.
Background
In the related art, NVH (Noise, Vibration, Harshness) performance is one of the important indexes for evaluating the automobile manufacturing quality. For new energy vehicles, one of the main sources of vibration and noise is the electric machine. In the operation process of the motor, radial electromagnetic force can be generated, so that the motor stator is easy to vibrate under the excitation of the radial electromagnetic force, the whole motor is further caused to vibrate and generate noise, and the NVH performance of the whole vehicle is negatively influenced.
In order to weaken the vibration of the motor generated by the radial electromagnetic force, a plurality of concave-convex structures are generally arranged on the outer peripheral surface of the stator, so that after the stator is installed in a motor casing, a gap can be formed between the outer peripheral surface of the stator and the inner wall of the casing, and the excitation of the stator vibration to the casing is weakened.
However, the stator and the housing are often in an interference fit relationship, so that in order to avoid the eccentricity of the stator, a high requirement is imposed on the processing precision of the concave-convex structure, and great difficulty in processing is caused.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
Therefore, the invention provides a stator punching sheet in a first aspect.
A second aspect of the invention provides a stator core.
A third aspect of the invention provides an electric machine.
A fourth aspect of the invention provides a vehicle.
In view of this, according to a first aspect of the embodiments of the present application, a stator punching sheet is provided, including:
the yoke part, the tooth part and the first groove body;
the number of the teeth is multiple, and the teeth are arranged at intervals along the circumferential direction of the yoke;
the number of the first groove bodies is multiple, and each first groove body is arranged at one end, close to the tooth root, of each tooth part along the axial direction of the yoke part.
In a possible embodiment, the stator lamination further includes:
the second groove body is formed in the axial direction of the yoke portion, and a plurality of second groove bodies are arranged on each tooth portion in the radial direction of the yoke portion.
In one possible embodiment, the first slot and/or the second slot have a triangular or trapezoidal cross section in the radial direction of the yoke.
In a possible embodiment, a plurality of protrusions are arranged on the inner side wall of the first groove body and/or the second groove body at intervals along the circumferential direction;
the cross section of the boss in the radial direction of the yoke portion is at least one of an arrow shape, a V shape, a T shape, and a fan shape.
In a possible embodiment, the stator lamination further includes:
a damping medium filled in at least a part of the first tank bodies among the plurality of first tank bodies; and/or
For filling at least a portion of the second plurality of channels.
In a possible embodiment, the stator lamination further includes:
the weight removing holes are formed in the axial direction of the yoke portion, and each tooth portion is provided with a plurality of weight removing holes.
In one possible embodiment, the deduplication holes comprise a first deduplication hole and a second deduplication hole;
the cross-sectional area of the first weight-removing hole in the radial direction of the yoke is larger than that of the second weight-removing hole in the radial direction of the yoke;
wherein the first de-weighting hole is used for circulating a cooling medium.
In order to achieve the above object, according to a second aspect of the present invention, there is provided a stator core made by laminating a plurality of stator laminations as set forth in any one of the above first aspects.
In order to achieve the above object, according to a third aspect of the present invention, there is provided a motor including:
a housing;
a stator core as set forth in the above second aspect, the stator core being disposed in the housing;
the rotor is rotatably arranged in the stator core in a penetrating mode, and a radial gap is formed between the rotor and the stator core;
the magnetic steel is arranged in the radial gap;
and the winding is wound on the stator core.
In order to achieve the above object, according to a fourth aspect of the present invention, there is provided a vehicle comprising:
the motor as set forth in the above third aspect.
Compared with the prior art, the invention at least comprises the following beneficial effects: the invention provides a stator punching sheet, which comprises: the yoke part, the tooth part and the first groove body; the number of the teeth is multiple, and the teeth are arranged at intervals along the circumferential direction of the yoke; the number of the first groove bodies is multiple, and each first groove body is arranged at one end, close to the tooth root, of each tooth part along the axial direction of the yoke part. This stator punching sheet sets up first cell body through the one end that is close to the tooth root at every tooth, and first cell body is seted up along the axial of yoke portion, thereby in the motor operation process, based on the stator core that a plurality of these stator punching sheets formed, can utilize first cell body to decompose radial electromagnetic force, optimize the transmission path of radial electromagnetic force, weaken the excitation of radial electromagnetic force to stator core, and then realize weakening motor casing's vibration, alleviate the effect of noise, and be favorable to alleviateing holistic vibration of motor and noise, restrain the NVH level of vehicle. Meanwhile, the stator punching sheet and the stator core provided by the invention have the advantages of simple processing technology and low manufacturing cost, and a concave-convex structure is not required to be arranged on the outer peripheral surface of the stator core, so that the eccentric problem generated when the stator core is assembled with a motor shell is effectively avoided.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the exemplary embodiments. The drawings are only for purposes of illustrating exemplary embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a stator punching sheet according to an embodiment provided in the present application;
FIG. 2 is an enlarged view of area A of FIG. 1;
fig. 3 is a schematic structural diagram of a motor according to an embodiment provided in the present application.
Wherein, the correspondence between the reference numbers and the component names in fig. 1 to 3 is:
100 stator punching sheets, 110 yoke portions, 120 tooth portions, 130 first groove bodies, 140 second groove bodies, 150 weight removing holes, 152 first weight removing holes, 154 second weight removing holes, 160 protruding portions, 200 stator cores, 300 rotors, 400 magnetic steel, 500 windings and 600 motors.
Detailed Description
Exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
According to a first aspect of the embodiments of the present application, a stator punching sheet 100 is provided, as shown in fig. 1 and fig. 2, including: yoke 110, tooth 120 and first slot 130; the number of the teeth 120 is plural, and the plural teeth 120 are provided at intervals in the circumferential direction of the yoke 110; the number of the first slots 130 is plural, and each first slot 130 is provided at an end of each tooth 120 close to a tooth root in the axial direction of the yoke 110.
As shown in fig. 1, in the stator punching sheet 100 provided in the embodiment of the present application, the first groove 130 is disposed at one end of each tooth 120 close to the tooth root, and the first groove 130 is formed along the axial direction of the yoke 110, so that in the operation process of the motor, a plurality of stator cores formed by the stator punching sheet 100 are adopted, the first groove 130 can be used for decomposing the radial electromagnetic force, and the first groove 130 can play a role in absorbing vibration, so that the excitation of the radial electromagnetic force on the stator cores is weakened, and further, the effect of weakening the vibration of the motor housing and reducing noise is achieved.
As shown in fig. 2, the first slot 130 may effectively block the radial electromagnetic force from being transmitted to the yoke 110 through the tooth 120, optimize a transmission path of the radial electromagnetic force, weaken response frequencies of the motor housing and the stator core, and be beneficial to reducing vibration and noise of the whole motor and suppressing an NVH level of the vehicle.
Meanwhile, the stator punching sheet 100 and the stator core provided by the invention have the advantages of simple processing technology and low manufacturing cost, and a concave-convex structure is not required to be arranged on the outer peripheral surface of the stator core, so that the assembly between the stator core and the motor shell is facilitated, and the eccentric problem generated when the stator core and the motor shell are assembled is effectively avoided.
In some examples, the stator lamination 100 further includes:
and a second slot body 140, wherein the second slot body 140 is opened along the axial direction of the yoke 110, and each tooth 120 is provided with a plurality of second slot bodies 140 along the radial direction of the yoke 110.
As shown in fig. 2, the stator punching sheet 100 further includes a second slot 140 formed along the axial direction of the yoke 110, and a plurality of second slots 140 are formed in each tooth 120 along the radial direction of the yoke 110, it can be understood that, during the operation of the motor, the radial electromagnetic force is preferentially applied to the tooth 120, so that the excitation of the radial electromagnetic force on the stator core can be further weakened, the transmission path of the radial electromagnetic force is improved, the vibration noise is greatly reduced, and the amplitude corresponding to the vibration is reduced by providing a plurality of second slots 140 in the tooth 120. Meanwhile, the first groove 130 is disposed close to the tooth root, so that the transmission of the radial electromagnetic force to the yoke 110 can be further avoided, and the influence on the whole motor can be further reduced.
In some examples, a cross section of the first slot 130 and/or the second slot 140 in a radial direction of the yoke 110 is triangular or trapezoidal.
As shown in fig. 2, the first slot 130 may have a triangular cross section along the radial direction of the yoke 110, and the triangular cross section of the first slot 130 may provide a better resolution effect for radial acting force in a direction relatively deviated from the symmetry axis of the tooth 120. The first slot 130 may also have a trapezoidal cross section along the radial direction of the yoke 110, and the first slot 130 with a trapezoidal cross section has a better effect of resolving the radial acting force in a direction relatively close to the symmetry axis of the tooth 120. Similarly, the cross section of the second slot 140 in the radial direction of the yoke 110 may be triangular or trapezoidal. Furthermore, it may be arranged that a radial cross section of one portion of the second slot bodies 140 along the yoke 110 in the plurality of second slot bodies 140 on the same tooth 120 is triangular, and a radial cross section of the other portion of the second slot bodies 140 along the yoke 110 is trapezoidal, so that radial electromagnetic forces in different directions may be effectively decomposed by simultaneously using the second slot bodies 140 with different cross-sectional shapes, so as to further weaken an excitation effect of the radial electromagnetic forces on the stator core, and improve vibration and noise reduction effects.
In some examples, a plurality of protrusions 160 are provided on the inner sidewall of the first and/or second slots 130, 140 at intervals in the circumferential direction;
a cross section of boss 160 in the radial direction of yoke 110 is at least one of an arrow shape, a V shape, a T shape, and a fan shape.
As shown in fig. 2, a plurality of protrusions 160 may be circumferentially disposed on an inner sidewall of the first slot 130 at intervals, so that a structure similar to a labyrinth may be formed inside the first slot 130 by the plurality of protrusions 160, thereby enhancing a decomposition effect of the first slot 130 on radial electromagnetic force, improving a vibration absorption effect of the first slot 130, and further reducing vibration and noise of the stator core. Similarly, the second groove 140 may also have a plurality of protrusions 160 spaced along the circumferential direction on the inner sidewall to enhance the vibration absorption effect and the resolution effect of the radial electromagnetic force. It can be understood that, in the case where the first and second slots 130 and 140 are provided with the protrusions 160 at the same time, the vibration and noise reduction effects are further improved.
Further, a cross section of the boss portion 160 in the radial direction of the yoke portion 110 may be at least one of an arrow shape, a V shape, a T shape, and a fan shape, so that the boundary shape of the boss portion 160 is relatively complicated, a decomposition effect of the radial electromagnetic force may be enhanced, and a transmission path of the radial electromagnetic force may be optimized.
In some examples, a damping medium for filling at least a portion of the first channels 130 of the plurality of first channels 130; and/or
For filling at least a portion of the second channels 140 in the plurality of second channels 140.
The stator punching sheet 100 may further include a damping medium, and the damping medium may be used to fill at least a part of the first slot bodies 130 in the plurality of first slot bodies 130, so that when the first slot bodies 130 are filled with the damping medium, vibration excitation of radial electromagnetic force to the stator core and the motor housing may be further weakened, a damping coefficient between the stator core and the motor housing is indirectly increased, and response frequencies of the stator core and the motor housing are weakened, thereby enhancing vibration attenuation and noise reduction effects, and facilitating further suppression of NVH levels of corresponding vehicles.
In some possible examples, the damping medium may be an elastomeric rubber or vibration damping particles made of a synthetic rubber, wherein the elastomeric rubber includes, but is not limited to, one of ethylene propylene diene monomer rubber, methyl vinyl silicone rubber, and neoprene rubber.
In some examples, the stator lamination 100 further includes:
and the weight removing holes 150 are formed along the axial direction of the yoke 110, and each tooth part 120 is provided with a plurality of weight removing holes 150.
As shown in fig. 2, each tooth portion 120 may be provided with a plurality of weight removing holes 150, and the weight removing holes 150 are formed along the circumferential direction of the yoke portion 110, and the weight of the stator punching sheet 100 can be reduced by forming the weight removing holes 150 without affecting the structural strength of the stator punching sheet 100, so that when a plurality of stator punching sheets 100 are used to form a stator core, the weight of the stator core can be further reduced, and the reduction of the weight of the motor is facilitated.
In some examples, the deduplication apertures 150 include a first deduplication aperture 152 and a second deduplication aperture 154;
the sectional area of the first weight-removing hole 152 in the radial direction of the yoke 110 is larger than the sectional area of the second weight-removing hole 154 in the radial direction of the yoke 110;
the first deduplication holes 152 are used for circulating a cooling medium.
As shown in fig. 2, the counterweight-removing holes 150 may include a first counterweight-removing hole 152 and a second counterweight-removing hole 154, and a cross-sectional area of the first counterweight-removing hole 152 in the radial direction of the yoke 110 is larger than a cross-sectional area of the second counterweight-removing hole 154 in the radial direction of the yoke 110, and a cooling medium is circulated through the first counterweight-removing hole 152 having a relatively large cross-sectional area, so that the stator core may be cooled by the first counterweight-removing hole 152 based on the motor manufactured by the stator lamination 100, and a cooling effect of the motor is improved.
According to a second aspect of the embodiments of the present application, a stator core 200 is further provided, as shown in fig. 3, which is formed by laminating a plurality of stator laminations 100 as provided in any one of the embodiments of the first aspect.
Since the stator core 200 is formed by laminating a plurality of stator laminations 100 provided in any one of the embodiments of the first aspect, for convenience of reading, details of the foregoing stator laminations 100 in the embodiment of the stator core 200 are not repeated one by one, but it should be clear that the stator core 200 in the embodiment of the present application can correspondingly implement all the details of the foregoing stator laminations 100 in the embodiment of the present application.
There is also provided according to a third aspect of an embodiment of the present application, a motor 600, as shown in fig. 3, including:
a housing;
as the stator core 200 proposed in the second aspect described above, the stator core 200 is provided in the housing;
a rotor 300 rotatably inserted through the stator core 200, and a radial gap is formed between the rotor 300 and the stator core 200;
a magnetic steel 400 disposed in the radial gap;
winding 500 is wound around stator core 200.
As shown in fig. 3, an electric machine 600 provided by the embodiment of the present application includes a housing, a stator core 200 as set forth in the second aspect above, a rotor 300, magnetic steel 400, and a winding 500. Wherein, the stator core 200 is arranged inside the shell; the rotor 300 is rotatably inserted through the stator core 200; the winding 500 is wound around the stator core 200. Because the stator core 200 is formed by laminating the stator laminations 100 provided in any of the embodiments of the first aspect, in the operation process of the motor 600, the vibration excitation of the radial electromagnetic force to the stator core 200 and the housing can be greatly reduced, the direct damping coefficient of the stator core 200 and the housing is increased, and the response frequency of the housing and the stator core 200 is weakened, so that the transmission path of the radial electromagnetic force is optimized, the effect of reducing vibration noise is achieved, and the amplitude of vibration response is reduced. Note that fig. 3 does not show the housing.
There is also provided, in accordance with a fourth aspect of an embodiment of the present application, a vehicle including:
such as the motor 600 proposed in the third aspect above.
In some possible examples, the vehicle further includes an engine compartment, an energy system, a transmission system, and a passenger compartment. The motor 600, the energy system and the transmission system are all arranged in the engine compartment, and the motor 600 is connected with the energy system and the transmission system respectively; the cockpit is connected with the engine compartment. It can be understood that, in the process of vehicle operation, because the vibration and noise of the motor 600 are effectively controlled, the vibration excitation on each part which is in direct or indirect connection with the motor 600 can be reduced, and the NVH level of the vehicle can be effectively suppressed, which is beneficial to improving the manufacturing quality of the vehicle and improving the riding experience of passengers.
In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or unit must have a specific direction, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means 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 invention. In this specification, the schematic representations of the terms used above 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 invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A stator punching sheet is characterized by comprising:
the yoke part, the tooth part and the first groove body;
the number of the teeth is multiple, and the teeth are arranged at intervals along the circumferential direction of the yoke;
the quantity of first cell body is a plurality of, and every first cell body is followed the axial of yoke portion sets up in every the tooth is close to the one end in the tooth root.
2. The stator lamination of claim 1, further comprising:
the second cell body, the second cell body is followed the axial of yoke portion is seted up, and every tooth portion is followed the radial of yoke portion is provided with a plurality ofly the second cell body.
3. The stator lamination as recited in claim 2,
the first slot body and/or the second slot body are triangular or trapezoidal in cross section along the radial direction of the yoke.
4. The stator lamination as recited in claim 3,
a plurality of protruding parts are arranged on the inner side wall of the first groove body and/or the second groove body at intervals along the circumferential direction;
the cross section of the boss in the radial direction of the yoke is at least one of an arrow shape, a V shape, a T shape and a fan shape.
5. The stator lamination of claim 4, further comprising:
a damping medium filled in at least a part of the first grooves; and/or
For filling at least a portion of the second channels in the plurality of second channels.
6. The stator lamination as recited in any one of claims 1 to 5, further comprising:
the weight removing holes are formed in the axial direction of the yoke portion, and a plurality of weight removing holes are formed in each tooth portion.
7. The stator lamination as recited in claim 6,
the de-weighting aperture comprises a first de-weighting aperture and a second de-weighting aperture;
a cross-sectional area of the first weight-removing hole in a radial direction of the yoke is larger than a cross-sectional area of the second weight-removing hole in the radial direction of the yoke;
wherein the first de-weighting hole is used for circulating a cooling medium.
8. A stator core characterized in that,
the stator core is formed by laminating a plurality of stator laminations as claimed in any one of claims 1 to 7.
9. An electric machine, comprising:
a housing;
the stator core of claim 8 disposed within the housing;
the rotor is rotatably arranged in the stator core in a penetrating mode, and a radial gap exists between the rotor and the stator core;
the magnetic steel is arranged in the radial gap;
and the winding is wound on the stator core.
10. A vehicle, characterized by comprising:
the electric machine of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111367803.7A CN114256998A (en) | 2021-11-18 | 2021-11-18 | Stator punch, stator core, motor and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111367803.7A CN114256998A (en) | 2021-11-18 | 2021-11-18 | Stator punch, stator core, motor and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114256998A true CN114256998A (en) | 2022-03-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111367803.7A Pending CN114256998A (en) | 2021-11-18 | 2021-11-18 | Stator punch, stator core, motor and vehicle |
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| Country | Link |
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| CN (1) | CN114256998A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20240162762A1 (en) * | 2022-11-15 | 2024-05-16 | Fca Us Llc | Electric machine stator with damping material channels |
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| US20200106312A1 (en) * | 2017-06-06 | 2020-04-02 | Denso Corporation | Rotary electrical machine |
| CN113595269A (en) * | 2021-07-28 | 2021-11-02 | 珠海格力电器股份有限公司 | Punching sheet assembly, stator and motor |
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|---|---|---|---|---|
| JP2008306796A (en) * | 2007-06-05 | 2008-12-18 | Toyota Motor Corp | Rotary electric machine |
| JP2010252453A (en) * | 2009-04-13 | 2010-11-04 | Toyota Motor Corp | Stator core, rotating electric machine stator and rotating electric machine |
| CN203219001U (en) * | 2013-03-04 | 2013-09-25 | 珠海格力电器股份有限公司 | Stator punching sheet, stator core and motor |
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| US20240162762A1 (en) * | 2022-11-15 | 2024-05-16 | Fca Us Llc | Electric machine stator with damping material channels |
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