CN215646396U - Permanent magnet auxiliary synchronous reluctance motor - Google Patents
Permanent magnet auxiliary synchronous reluctance motor Download PDFInfo
- Publication number
- CN215646396U CN215646396U CN202121858441.7U CN202121858441U CN215646396U CN 215646396 U CN215646396 U CN 215646396U CN 202121858441 U CN202121858441 U CN 202121858441U CN 215646396 U CN215646396 U CN 215646396U
- Authority
- CN
- China
- Prior art keywords
- auxiliary
- permanent magnet
- synchronous reluctance
- cogging torque
- stator
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Permanent Field Magnets Of Synchronous Machinery (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Permanent Magnet Type Synchronous Machine (AREA)
Abstract
The utility model discloses a permanent magnet auxiliary synchronous reluctance motor, which relates to the technical field of motors and comprises the following components: stator and with stator complex rotor, the stator includes stator core, and stator core circumference is equipped with a plurality of tooth portions, is equipped with the auxiliary tank on the tooth portion, the auxiliary tankThe number of (a) satisfies: k +1 ≠ mxNP，NPIs greater than 1, wherein k is the number of auxiliary grooves, NPM is a positive integer, and is the number of cogging torque cycles. According to the utility model, the stator core is circumferentially provided with a plurality of tooth parts, the tooth parts are provided with the auxiliary grooves, and the number of the auxiliary grooves is limited to meet the following requirements: k +1 ≠ mxNP，NPIs greater than 1, wherein k is the number of auxiliary grooves, NPThe number of the auxiliary grooves is n, m is a positive integer, and the number of the auxiliary grooves can effectively avoid amplification under the condition that the number of the auxiliary grooves accords with the formula, so that the number k of the auxiliary grooves for increasing the cogging torque is increased, the number of the periods of the cogging torque in one tooth pitch can be effectively changed when the auxiliary grooves are fully arranged, the amplitude of the cogging torque is reduced, and the effect of reducing torque pulsation is achieved.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a permanent magnet auxiliary synchronous reluctance motor.
Background
The synchronous reluctance motor is a high-efficiency synchronous motor, and compared with a permanent magnet synchronous motor, the synchronous reluctance motor does not contain a permanent magnet in the used material, so that the cost is lower and the cost performance is higher. The permanent magnet synchronous motor is a high-performance synchronous motor, but the rare earth permanent magnet material used by the permanent magnet synchronous motor is high in cost and easy to demagnetize. In view of the performance of the synchronous reluctance motor and the material cost and reliability of the permanent magnet synchronous motor, in recent years, a permanent magnet-assisted synchronous reluctance motor with a permanent magnet material added in a magnetic barrier of the synchronous reluctance motor has been widely developed. However, the existing permanent magnet-assisted synchronous reluctance motor has large torque ripple because the rotor contains permanent magnets and has a large salient pole effect. The stator cogging torque is a positioning torque still existing under the condition that the motor is not electrified, is one of main sources of torque pulsation, and seriously influences the running performance of the motor.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model provides a permanent magnet auxiliary synchronous reluctance motor, which can reduce the amplitude of cogging torque and achieve the effect of reducing torque pulsation, aiming at the technical problem of large torque pulsation in the arrangement of the cogging torque of a stator in the conventional permanent magnet auxiliary synchronous reluctance motor.
2. Technical scheme
In order to solve the problems, the technical scheme provided by the utility model is as follows:
a permanent magnet assisted synchronous reluctance machine comprising: stator and with stator complex rotor, the stator includes stator core, stator core circumference is equipped with a plurality of tooth portions, be equipped with the auxiliary tank on the tooth portion, the quantity in auxiliary tank satisfies: k +1 ≠ mxNP，NPIs greater than 1, wherein k is the number of auxiliary grooves, NPIs the number of cogging torque cycles, m is a positive integer。
In the utility model, because of the existence of the rotor permanent magnet, the cogging torque exists between the stator and the rotor, and the Fourier transformation coefficient G of the air gap magnetic guided wave in the cogging torque expression can be known by combining the cogging torque expression in the prior artnFrom the Fourier transform coefficient G of the air-gap magnetic guided wavesnIt can be seen from the definition expression of (c), when n is a multiple of (k +1), G is equal to or greater than n, regardless of whether the number k of auxiliary slots is even or oddnNot 0 and (k +1) times of the case where the auxiliary groove is not opened, and is based on the Fourier transform coefficient G of the air gap magnetic guided wavenThe relationship with the cogging torque is known as GnWhen the value is not 0 and is (k +1) times that of the case where the auxiliary groove is not opened, the cogging torque is also increased correspondingly, the amplitude of the cogging torque is increased, and the torque ripple is also increased, so that n cannot be a multiple of (k + 1). When n is not a multiple of (k +1), G n0, according to the Fourier transform coefficient G of the air gap magnetic guided wavesnAs can be seen from the relational expression with respect to the cogging torque, the cogging torque is 0, but actually, the cogging torque is not 0 due to the presence of the leakage flux, but when n is not a multiple of (k +1), the cogging torque is smaller than that without cogging, and the torque ripple is smaller. Therefore, if the effect of reducing the torque ripple is to be achieved, n cannot be a multiple of (k + 1). And because n is such that
Is an integer that is an integer (wherein,
wherein n is such that
Is an integer) of NPSince the multiple is expressed by m, if the torque ripple is reduced, k +1 ≠ mxnP. Wherein N isPThe number of periods, which is the cogging torque, refers to the greatest common divisor ratio of the number of stator slots to the number of poles. As can be seen from the above, when the number of auxiliary grooves is selected, k should satisfy k +1 ≠ m × NPAvoidance will causeGnAnd amplifying to increase the number k of auxiliary slots of the cogging torque. At the same time, if NPIf 1, k +1 ≠ m cannot be satisfied, and G will be generated no matter what value k takesnAmplification to increase cogging torque, so NPIs greater than 1. Therefore, according to the utility model, the stator core is provided with a plurality of teeth along the circumferential direction, the teeth are provided with the auxiliary grooves, and the number of the auxiliary grooves is limited to satisfy the following conditions: k +1 ≠ mxNP，NPIs greater than 1, wherein k is the number of auxiliary grooves, NPM is a positive integer, and the number of auxiliary grooves can effectively avoid G under the condition that the number of the auxiliary grooves accords with the formulanAnd amplification is carried out, so that the number k of the auxiliary grooves of the cogging torque is increased, the condition that the number of the cycles of the cogging torque in one tooth pitch can be effectively changed when the auxiliary grooves are arranged is fully ensured, the amplitude of the cogging torque is reduced, and the effect of reducing torque pulsation is achieved. As shown in fig. 3, the cogging torque of the permanent magnet-assisted synchronous reluctance motor in the present embodiment does not satisfy k +1 ≠ mxn from the number of auxiliary slots opened in the related artPCompared with the permanent magnet auxiliary synchronous reluctance motor, the permanent magnet auxiliary synchronous reluctance motor has the advantages that the ripple frequency of the cogging torque is higher and the amplitude is smaller.
Alternatively, the auxiliary grooves are symmetrically arranged with respect to the center line of the tooth portion.
Optionally, the stator core is formed by laminating a plurality of silicon steel punching sheets.
Optionally, the auxiliary groove is a rectangular groove, an arc groove, a triangular groove or a trapezoidal groove.
Optionally, the rotor includes rotor core, rotor core last circumference is equipped with a plurality of magnetic barrier group, magnetic barrier group is equipped with the magnet steel along a plurality of magnetic barriers of radially arranging at interval, in the magnetic barrier.
Optionally, the magnetic barrier is a U-shaped groove or an arc-shaped groove.
Optionally, the magnetic steel is a ferrite material.
Optionally, the magnetic steel is made of neodymium iron boron.
Optionally, the two end portions of the magnetic steel are made of ferrite materials, and the middle portion of the magnetic steel is made of neodymium iron boron materials.
Optionally, the rotor core is formed by laminating a plurality of silicon steel punching sheets.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:
(1) the embodiment of the application provides a synchronous reluctance motor is assisted to permanent magnetism, simple structure is equipped with a plurality of tooth portions through stator core circumference, is equipped with the auxiliary tank on the tooth portion to the quantity of injecing the auxiliary tank satisfies: k +1 ≠ mxNP，NPIs greater than 1, wherein k is the number of auxiliary grooves, NPM is a positive integer, and the number of auxiliary grooves can effectively avoid G under the condition that the number of the auxiliary grooves accords with the formulanAnd amplification is carried out, so that the number k of the auxiliary grooves of the cogging torque is increased, the condition that the number of the cycles of the cogging torque in one tooth pitch can be effectively changed when the auxiliary grooves are arranged is fully ensured, the amplitude of the cogging torque is reduced, and the effect of reducing torque pulsation is achieved.
(2) The permanent magnet auxiliary synchronous reluctance motor provided by the embodiment of the application can improve the frequency of cogging torque pulsation, reduce the amplitude of the cogging torque pulsation and further reduce the torque pulsation by symmetrically arranging the auxiliary grooves by using the center line of the tooth part without influencing the amplitude of fundamental waves.
(3) The permanent magnet auxiliary synchronous reluctance motor provided by the embodiment of the application is characterized in that the auxiliary groove is a rectangular groove, an arc groove, a triangular groove or a trapezoidal groove, and the torque pulsation of the motor is favorably reduced.
(4) According to the permanent magnet auxiliary synchronous reluctance motor provided by the embodiment of the application, the magnetic steel is made of ferrite and neodymium iron boron which are arranged in a segmented mode. The magnetic steel is arranged in the magnetic barrier, the rotor of the motor is easy to generate high temperature when running, the neodymium iron boron material belongs to a negative temperature coefficient permanent magnet material although having high magnetic conductivity and is easy to demagnetize at high temperature, and the ferrite material has high temperature resistance in consideration of that the demagnetization of the motor starts from corners at first, so that two end parts of the magnetic steel are set to be ferrite materials, and the high-temperature demagnetization can be effectively reduced; correspondingly, the middle part of the magnetic steel is set to be made of neodymium iron boron materials, so that the efficiency of the motor can be improved. Therefore, the magnetic steel is made of ferrite and neodymium iron boron in a segmented mode, and the high-temperature anti-demagnetization capacity of the motor can be effectively improved while the motor efficiency is improved.
(5) The permanent magnet auxiliary synchronous reluctance motor provided by the embodiment of the application has the advantages that the magnetic steel is arranged in the magnetic barriers through the magnetic barriers arranged in a plurality of the magnetic barriers, the salient pole rate of the motor can be increased, the reluctance torque utilization rate is improved, the motor performance is improved, and the high efficiency and the miniaturization of a motor system are facilitated.
Drawings
Fig. 1 is a schematic structural diagram of a permanent magnet-assisted synchronous reluctance motor according to an embodiment of the present invention.
Fig. 2 is a partially enlarged view of a permanent magnet assisted synchronous reluctance motor according to an embodiment of the present invention.
FIG. 3 shows a permanent magnet assisted synchronous reluctance machine (N) according to an embodiment of the present inventionP2) and in the prior art (N) split auxiliary grooveP1) and a comparison graph of a cogging torque curve of a permanent magnet auxiliary synchronous reluctance motor without an auxiliary slot.
Fig. 4 is a graph illustrating a variation of a cogging torque and an auxiliary slot width D1 in a permanent magnet-assisted synchronous reluctance motor according to an embodiment of the present invention.
Fig. 5 is a graph illustrating a variation of a cogging torque and an auxiliary groove depth D2 in a permanent magnet-assisted synchronous reluctance motor according to an embodiment of the present invention.
Fig. 6 is a graph illustrating a variation of a torque of a tooth slot in a permanent magnet-assisted synchronous reluctance motor and a center distance D3 between adjacent auxiliary slots on the same tooth portion according to an embodiment of the present invention.
Detailed Description
For a further understanding of the present invention, reference will now be made in detail to the embodiments illustrated in the drawings.
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings. The terms first, second, and the like in the present invention are provided for convenience of describing the technical solution of the present invention, and have no specific limiting effect, but are all generic terms, and do not limit the technical solution of the present invention. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The technical solutions in the same embodiment and the technical solutions in different embodiments can be arranged and combined to form a new technical solution without contradiction or conflict, and the technical solutions are within the scope of the present invention.
Example 1
With reference to fig. 1-2, the present embodiment provides a permanent magnet assisted synchronous reluctance motor, including: stator 1 and rotor 3 cooperating with stator 1, said stator 1 comprising a stator core, said statorStator core circumference is equipped with a plurality of tooth portions 2, be equipped with auxiliary groove 6 on tooth portion 2, auxiliary groove 6's quantity satisfies: k +1 ≠ mxNP，NPIs greater than 1, wherein k is the number of auxiliary grooves 6, NPM is a positive integer, and is the number of cogging torque cycles.
Due to the existence of the rotor permanent magnets, cogging torque exists between the stator and the rotor, and the Fourier transform coefficient G of air gap magnetic guided waves in the cogging torque expression can be known by combining the cogging torque expression in the prior artnFrom the Fourier transform coefficient G of the air-gap magnetic guided wavesnIt can be seen from the definition expression of (c), when n is a multiple of (k +1), G is given regardless of whether the number k of auxiliary grooves 6 is even or oddnNot 0 and (k +1) times of the case where the auxiliary groove 6 is not opened, and is based on the Fourier transform coefficient G of the air gap magnetic guided wavenThe relationship with the cogging torque is known as GnWhen n is not 0 and is (k +1) times the value of the auxiliary groove 6, the cogging torque is increased correspondingly, the amplitude of the cogging torque is increased, and the torque ripple is also increased, so that n cannot be (k +1) times. When n is not a multiple of (k +1), G n0, according to the Fourier transform coefficient G of the air gap magnetic guided wavesnAs can be seen from the relational expression with respect to the cogging torque, the cogging torque is 0, but actually, the cogging torque is not 0 due to the presence of the leakage flux, but when n is not a multiple of (k +1), the cogging torque is smaller than that without cogging, and the torque ripple is smaller. Therefore, if the effect of reducing the torque ripple is to be achieved, n cannot be a multiple of (k + 1). And because n is such that
Is an integer which is an integer wherein,
wherein n is such that
Is an integer) of NPIs expressed by m, so that if the torque ripple is reduced, k +1 ≠m×NP. Wherein N isPThe number of periods, which is the cogging torque, refers to the greatest common divisor ratio of the number of stator slots to the number of poles. As can be seen from the above, when the number of auxiliary grooves 6 is selected, k should satisfy k +1 ≠ m × NPAvoidance of the force GnAnd amplifies to increase the number k of auxiliary slots 6 of the cogging torque. At the same time, if NPIf 1, k +1 ≠ m cannot be satisfied, and G will be generated no matter what value k takesnAmplification to increase cogging torque, so NP＞1。
In summary, in the present embodiment, the stator core is circumferentially provided with the plurality of teeth 2, the teeth 2 are provided with the auxiliary slots 6, and the number of the auxiliary slots 6 is limited to satisfy: k +1 ≠ mxNP，NPIs greater than 1, wherein k is the number of auxiliary grooves 6, NPM is a positive integer, and the number of the auxiliary grooves 6 can effectively avoid the situation that G is caused by the fact that the number of the auxiliary grooves is equal to the formulanAnd amplification is carried out, so that the number k of the auxiliary grooves 6 of the cogging torque is increased, the condition that the number of the cycles of the cogging torque in one tooth pitch can be effectively changed when the auxiliary grooves 6 are arranged is fully ensured, the amplitude of the cogging torque is reduced, and the effect of reducing torque pulsation is achieved. As shown in fig. 3, the present embodiment provides a permanent magnet assisted synchronous reluctance motor (N)P2) and in the prior art (N) split auxiliary grooveP1) and a comparison graph of a cogging torque curve of the permanent magnet-assisted synchronous reluctance motor without the auxiliary slots, it can be seen that the cogging torque of the permanent magnet-assisted synchronous reluctance motor in the embodiment does not satisfy k +1 ≠ m × N with the number of the auxiliary slots opened in the prior artPCompared with the permanent magnet auxiliary synchronous reluctance motor, the permanent magnet auxiliary synchronous reluctance motor has the advantages that the ripple frequency of the cogging torque is higher and the amplitude is smaller.
Example 2
With reference to fig. 2, compared with the technical solution of embodiment 1, the permanent magnet assisted synchronous reluctance motor of this embodiment may be improved as follows: the auxiliary grooves 6 are symmetrically arranged about the center line of the tooth 2. The auxiliary groove 6 does not influence the amplitude of the fundamental wave, can improve the frequency of the cogging torque ripple, reduce the amplitude of the cogging torque ripple and further reduce the torque ripple.
In practical application, the width D1 of the auxiliary slots 6 ranges from 0.8 mm to 1.1mm, the depth D2 ranges from 0.4 mm to 0.6mm, and the center distance D3 between adjacent auxiliary slots 6 on the same tooth ranges from 4 mm to 7 mm. This arrangement can obtain a small cogging torque and reduce torque ripple, and as shown in fig. 4 to 6, when the width D1 of the auxiliary groove 6 is 1mm, the depth D2 is in the range of 0.5mm, and the center distance D3 between adjacent auxiliary grooves 6 on the same tooth portion is in the range of 4.5 or 7mm, the minimum cogging torque can be obtained, and the torque ripple can be further reduced.
Example 3
Compared with the technical scheme of the embodiment 1, the permanent magnet auxiliary synchronous reluctance motor of the embodiment can be improved as follows: the stator core is formed by laminating a plurality of silicon steel punching sheets. The laminated silicon steel sheet has high magnetic flux rate, high structural strength and easy machining.
Example 4
Compared with the technical scheme of the embodiment 1, the permanent magnet auxiliary synchronous reluctance motor of the embodiment can be improved as follows: the auxiliary groove 6 is a rectangular groove, an arc groove, a triangular groove or a trapezoidal groove. The auxiliary groove 6 of the above structure is advantageous for reducing the torque ripple of the motor. In practice, the auxiliary grooves 6 are rectangular grooves having a higher torque density than auxiliary grooves of other shapes.
Example 5
Compared with the technical scheme of the embodiment 1, the permanent magnet auxiliary synchronous reluctance motor of the embodiment can be improved as follows: the rotor 3 comprises a rotor core, a plurality of magnetic barrier groups are circumferentially arranged on the rotor core and comprise a plurality of magnetic barriers 4 arranged along the radial direction at intervals, and magnetic steel 5 is arranged in each magnetic barrier 4. Through the magnetic barriers 4 of a plurality of settings, set up magnet steel 5 in the magnetic barrier 4, can increase the salient pole rate of motor, improve reluctance torque utilization ratio to improve the motor performance, be favorable to motor system's high efficiency and miniaturization.
Example 6
Compared with the technical scheme of the embodiment 5, the permanent magnet auxiliary synchronous reluctance motor of the embodiment can be improved as follows: the magnetic barrier 4 is a U-shaped groove or an arc-shaped groove. The magnetic steel 5 can be conveniently placed, and meanwhile, the uniformity of magnetic flux can be ensured.
Example 7
Compared with the technical scheme of the embodiment 5, the permanent magnet auxiliary synchronous reluctance motor of the embodiment can be improved as follows: the magnetic steel 5 is made of ferrite materials. The ferrite material has the characteristics of low price and high temperature resistance.
Example 8
Compared with the technical scheme of the embodiment 5, the permanent magnet auxiliary synchronous reluctance motor of the embodiment can be improved as follows: the magnetic steel 5 is made of neodymium iron boron materials. The neodymium iron boron material has the characteristic of high magnetism, and can increase the torque density of the motor.
Example 9
Compared with the technical scheme of the embodiment 5, the permanent magnet auxiliary synchronous reluctance motor of the embodiment can be improved as follows: the two end parts of the magnetic steel 5 are made of ferrite materials, and the middle part of the magnetic steel 5 is made of neodymium iron boron materials. The magnetic steel 5 is made of ferrite and neodymium iron boron which are arranged in a segmented mode. The magnetic steel 5 is arranged in the magnetic barrier 4, so that high temperature is easily generated when a rotor of the motor runs, the neodymium iron boron material has high magnetic conductivity, but belongs to a negative temperature coefficient permanent magnet material and is easily demagnetized at high temperature, and the ferrite material has high temperature resistance in consideration of the fact that the demagnetization of the motor is started from corners at first, so that two end parts of the magnetic steel 5 are set to be ferrite materials, and the high-temperature demagnetization can be effectively reduced; correspondingly, the middle part of the magnetic steel 5 is made of neodymium iron boron materials, so that the efficiency of the motor can be improved. Therefore, the magnetic steel 5 is made of ferrite and neodymium iron boron in a segmented mode, and the high-temperature demagnetization resistance of the motor can be effectively improved while the motor efficiency is improved.
Example 10
Compared with the technical scheme of the embodiment 5, the permanent magnet auxiliary synchronous reluctance motor of the embodiment can be improved as follows: the rotor core is formed by laminating a plurality of silicon steel punching sheets. The laminated silicon steel sheet has high magnetic flux rate, high structural strength and easy machining.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the utility model, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the utility model.
Claims (10)
1. A permanent magnet assisted synchronous reluctance machine comprising: stator and with stator complex rotor, the stator includes stator core, stator core circumference is equipped with a plurality of tooth portions, be equipped with the auxiliary tank on the tooth portion, the quantity in auxiliary tank satisfies: k +1 ≠ mxNP，NPIs greater than 1, wherein k is the number of auxiliary grooves, NPM is a positive integer, and is the number of cogging torque cycles.
2. The permanent magnet-assisted synchronous reluctance machine according to claim 1, wherein the auxiliary slots are symmetrically arranged with respect to a center line of the teeth.
3. The permanent magnet assisted synchronous reluctance motor of claim 1, wherein the stator core is formed by laminating a plurality of silicon steel laminations.
4. The permanent magnet-assisted synchronous reluctance machine according to claim 1, wherein the auxiliary slot is a rectangular slot, a circular slot, a triangular slot or a trapezoidal slot.
5. The permanent magnet-assisted synchronous reluctance motor according to claim 1, wherein the rotor comprises a rotor core, a plurality of magnetic barrier groups are circumferentially arranged on the rotor core, each magnetic barrier group comprises a plurality of magnetic barriers arranged at intervals along a radial direction, and magnetic steel is arranged in each magnetic barrier.
6. The permanent magnet assisted synchronous reluctance machine of claim 5, wherein the magnetic barrier is a U-shaped groove or a circular arc-shaped groove.
7. The permanent magnet assisted synchronous reluctance machine of claim 5, wherein the magnetic steel is a ferrite material.
8. The PMSM of claim 5, wherein the magnetic steel is a NdFeB material.
9. The PMSM of claim 5, wherein the two end portions of the magnet steel are made of ferrite material, and the middle portion of the magnet steel is made of NdFeB material.
10. The permanent magnet assisted synchronous reluctance motor of claim 5, wherein the rotor core is formed by laminating a plurality of silicon steel laminations.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121858441.7U CN215646396U (en) | 2021-08-10 | 2021-08-10 | Permanent magnet auxiliary synchronous reluctance motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121858441.7U CN215646396U (en) | 2021-08-10 | 2021-08-10 | Permanent magnet auxiliary synchronous reluctance motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215646396U true CN215646396U (en) | 2022-01-25 |
Family
ID=79896851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121858441.7U Active CN215646396U (en) | 2021-08-10 | 2021-08-10 | Permanent magnet auxiliary synchronous reluctance motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215646396U (en) |
-
2021
- 2021-08-10 CN CN202121858441.7U patent/CN215646396U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140167550A1 (en) | Motor rotor and motor having same | |
| US20140152139A1 (en) | Permanent magnet synchronous motor | |
| CN209881626U (en) | Novel surface-mounted permanent magnet synchronous motor structure | |
| CN110011442B (en) | Motor rotor and motor and compressor with same | |
| CN112350463A (en) | Novel permanent magnet synchronous motor structure | |
| CN107959361A (en) | The stator of permanent magnet torque motor and the permanent magnet torque motor with high torque density | |
| CN105281459A (en) | Motor rotor structure, permanent magnet motor and compressor | |
| CN210246575U (en) | Motor, compressor and refrigeration plant | |
| CN209282957U (en) | A kind of rotor and the motor with it | |
| CN214255899U (en) | High-voltage self-starting permanent magnet motor stator punching sheet, rotor punching sheet and motor | |
| CN215646396U (en) | Permanent magnet auxiliary synchronous reluctance motor | |
| CN2838136Y (en) | Magnetic pole structure of permanent magnetic DC motor | |
| CN204886463U (en) | Electric motor rotor structure and permanent -magnet machine and compressor | |
| CN112653268A (en) | Rotor core, asynchronous starting permanent magnet synchronous motor and canned motor pump | |
| CN218633493U (en) | Motor rotor, motor and compressor | |
| CN217469587U (en) | Rotor assembly and motor | |
| CN217522644U (en) | Novel stator and rotor structure of hybrid excitation asynchronous starting permanent magnet synchronous motor | |
| CN213461267U (en) | Novel permanent magnet synchronous motor structure | |
| CN113824226B (en) | Alternating pole local HALBACH structure less rare earth mixed permanent magnet motor | |
| CN206481197U (en) | Anti- salient pole permanent magnet reluctance motor | |
| CN111224478B (en) | Permanent magnet pole-cutting flux reversal motor | |
| Zeng et al. | Design and optimization of a less-rare earth permanent magnet brushless motor considering cost effective | |
| EP3783773B1 (en) | Rotor, motor and compressor | |
| CN219477687U (en) | Monopole motor with unequally-spaced auxiliary tooth structure | |
| CN218633492U (en) | Motor rotor, motor and compressor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220803 Address after: 310000 rooms 103 and 203, North 1st and 2nd floors, building 6, No. 8-2, 8-3 and 8-5, Keji Avenue, Yuhang street, Yuhang District, Hangzhou, Zhejiang Province Patentee after: Zhejiang Haichuan Electric Technology Co.,Ltd. Address before: 310000 room 4123, building 7, Euramerican Financial City, Cangqian street, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Shouli Electric Technology Co.,Ltd. |
|
| TR01 | Transfer of patent right |