CN110138115B - Asynchronous starting synchronous reluctance motor rotor structure, motor and compressor - Google Patents
Asynchronous starting synchronous reluctance motor rotor structure, motor and compressor Download PDFInfo
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- CN110138115B CN110138115B CN201910532908.XA CN201910532908A CN110138115B CN 110138115 B CN110138115 B CN 110138115B CN 201910532908 A CN201910532908 A CN 201910532908A CN 110138115 B CN110138115 B CN 110138115B
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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
- H02K1/22—Rotating parts of the magnetic circuit
-
- 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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/26—Rotor cores with slots for windings
- H02K1/265—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
- H02K1/22—Rotating parts of the magnetic circuit
- H02K1/32—Rotating parts of the magnetic circuit with channels or ducts for flow of cooling medium
-
- 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
- H02K15/0012—Manufacturing cage rotors
-
- 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
Abstract
The invention provides an asynchronous starting synchronous reluctance motor rotor structure, a motor and a compressor. The rotor structure of the asynchronous starting synchronous reluctance motor comprises: the rotor core is provided with a first type of slit grooves and a second type of slit grooves, the first type of slit grooves and the second type of slit grooves are arranged in a staggered mode along the q-axis direction of the rotor core, two ends of the first type of slit grooves are respectively provided with a filling slit groove, and the second type of slit grooves are air grooves. The first kind of slit groove and the second kind of slit groove are arranged, the filling slit groove is arranged at two ends of the first kind of slit groove, and the second kind of slit groove is arranged as the air groove. The motor efficiency with the rotor structure can be effectively improved by the arrangement, the rotor structure can be prevented from being seriously deformed during manufacturing, the material consumption for manufacturing the rotor structure can be reduced, and the production cost of the motor is effectively reduced.
Description
Technical Field
The invention relates to the technical field of compressor equipment, in particular to an asynchronous starting synchronous reluctance motor rotor structure, a motor and a compressor.
Background
The asynchronous starting synchronous reluctance motor combines the structural characteristics of an induction motor and a synchronous reluctance motor, realizes starting by generating torque through cage induction, generates reluctance torque by arranging a plurality of layers of reluctance slots on a rotor to realize constant-speed operation, and can realize starting operation by asynchronously introducing a power supply. Compared with a permanent magnet motor, the asynchronous starting synchronous reluctance motor has the advantages of no rare earth permanent magnet material, no demagnetization problem, low motor cost and good reliability. And a plurality of air magnetic barriers are arranged on the motor rotor, so that the heat dissipation effect is good, and the loss of the rotor is small. Compared with an asynchronous motor, the motor has high efficiency and constant rotating speed.
In addition, the starting process of the direct-start synchronous reluctance motor comprises two parts, one part is that an end ring conducting bar at the periphery of the rotor forms a squirrel cage, and asynchronous torque generated by the squirrel cage enables the motor to start. The other part is that the asynchronous torque and the reluctance torque are involved in synchronization, i.e. synchronous capability, near synchronous speed. Since the synchronization capability of a direct start synchronous reluctance motor is related to the rotor inertia of the motor, the smaller the rotor inertia, the easier the motor is involved in synchronization.
In the prior art, the rotor end ring conducting bars of the direct start synchronous reluctance motor are all cast by high-pressure die casting, the rotor reluctance slots are seriously deformed by the high-pressure casting, and the die casting material is more. Patent No. US2975310A provides a synchronous induction machine rotor structure, produces reluctance torque, simple structure, but whole injection aluminium in this patent rotor groove, and the aluminium quantity is bigger, and the motor is with high costs, and rotor both ends end ring covers whole rotor surface in addition, does not have circulation of air louvre (magnetic barrier air groove) on the rotor, and motor heat dispersion is poor.
Disclosure of Invention
The invention mainly aims to provide an asynchronous starting synchronous reluctance motor rotor structure, a motor and a compressor, and aims to solve the problem of low motor efficiency in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided an asynchronously-started synchronous reluctance motor rotor structure comprising: the rotor core is provided with a first type of slit grooves and a second type of slit grooves, the first type of slit grooves and the second type of slit grooves are arranged in a staggered mode along the q-axis direction of the rotor core, two ends of the first type of slit grooves are respectively provided with a filling slit groove, and the second type of slit grooves are air grooves.
Further, the first type slit groove is provided in plurality, the second type slit groove is provided in plurality, the plurality of first type slit grooves and the plurality of second type slit grooves are alternately arranged, and the second type slit groove is arranged between two adjacent first type slit grooves.
Furthermore, reinforcing ribs are arranged in the middle of the second type of slit grooves, and the geometric center lines of the reinforcing ribs along the radial direction of the rotor core coincide with the q axis.
Further, the first type of slit grooves are air grooves, and the filled slit grooves are used for inserting or injecting the conductive and non-conductive material.
Furthermore, an independent filling groove is further formed in the rotor core, and the independent filling groove is arranged close to the outer edge of the rotor core and located at the q axis.
Further, the rotor structure of the asynchronous starting synchronous reluctance motor further comprises: the two conductive end rings are arranged at the first end and the second end of the rotor core, and slots which are in one-to-one correspondence with the independent filling slots and the filling slit slots are formed in the peripheral surface of each conductive end ring; and the conducting bars are inserted into the independent filling grooves and the filling slit grooves from the slots of the conducting end ring at the first end of the rotor core and extend into the slots of the conducting end ring at the second end of the rotor core to form a squirrel cage.
Further, the length of the filling slit groove is arranged to be gradually reduced in a direction close to the q-axis.
According to another aspect of the present invention, there is provided a method for manufacturing a rotor of an asynchronously-started synchronous reluctance motor, the method being used for manufacturing the rotor structure of the asynchronously-started synchronous reluctance motor, the method comprising the steps of: laminating the rotor punching sheets to form a rotor core; inserting the conducting bars into the filling slot and the independent filling slot of the rotor core; respectively arranging the conductive end rings at two ends of the rotor core, and inserting the conducting bars into the slots of the conductive end rings; and pressing the conductive end rings and the rotor core, and welding and connecting the conducting bars and the conductive end rings to form the squirrel cage.
According to another aspect of the present invention, there is provided an electric motor including an asynchronously-started synchronous reluctance motor rotor structure as described above.
According to another aspect of the present invention, there is provided a compressor including an asynchronously-started synchronous reluctance motor rotor structure, the asynchronously-started synchronous reluctance motor rotor structure being the asynchronously-started synchronous reluctance motor rotor structure described above.
By applying the technical scheme of the invention, the rotor structure is adopted, the first type slit groove and the second type slit groove are arranged, the filling slit grooves are arranged at the two ends of the first type slit groove, and the second type slit groove is arranged as the air groove. The motor efficiency with the rotor structure can be effectively improved by the arrangement, the rotor structure can be prevented from being seriously deformed during manufacturing, the material consumption for manufacturing the rotor structure can be reduced, and the production cost of the motor is effectively reduced.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of a first embodiment of a rotor structure of an asynchronously started synchronous reluctance machine according to the present invention;
FIG. 2 shows a schematic structural diagram of an embodiment of a conductive end ring according to the present invention;
fig. 3 shows a schematic structural view of a second embodiment of a rotor structure of an asynchronously started synchronous reluctance machine according to the present invention;
fig. 4 shows a schematic structural view of a third embodiment of a rotor structure of an asynchronously started synchronous reluctance machine according to the present invention;
fig. 5 shows a flow chart of a method of manufacturing a rotor structure of an asynchronously started synchronous reluctance machine according to the present invention.
Wherein the figures include the following reference numerals:
10. a rotor core;
20. a first type of slit groove;
30. a second type of slit groove;
40. filling the slit groove;
50. reinforcing ribs;
61. a conductive end ring; 62. a slot; 63. conducting bars;
70. the grooves are filled independently.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to only the embodiments set forth herein. It is to be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the exemplary embodiments to those skilled in the art, in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and the same devices are denoted by the same reference numerals, and thus the description thereof will be omitted.
Referring to fig. 1 to 5, according to an embodiment of the present invention, there is provided a rotor structure of an asynchronously-started synchronous reluctance motor.
Specifically, as shown in fig. 1, the rotor structure of the asynchronous starting synchronous reluctance motor includes a rotor core 10. The rotor core 10 is provided with a first slit groove 20 and a second slit groove 30. The first-type slit grooves 20 and the second-type slit grooves 30 are alternately arranged in the q-axis direction of the rotor core 10. Wherein, two ends of the first kind of slit groove 20 are respectively provided with a filling slit groove 40, and the second kind of slit groove 30 is an air groove.
In the present embodiment, the rotor structure is adopted, by providing the first kind of slit grooves and the second kind of slit grooves, and providing the filling slit grooves at both ends of the first kind of slit grooves, while providing the second kind of slit grooves as the air grooves. The motor efficiency with the rotor structure can be improved by the arrangement, the rotor structure can be prevented from being seriously deformed during manufacturing, the material consumption for manufacturing the rotor structure can be reduced, and the production cost of the motor is effectively reduced.
The first-type slit grooves 20 are plural, the second-type slit grooves 30 are plural, the plural first-type slit grooves 20 and the plural second-type slit grooves 30 are alternately arranged, and the second-type slit grooves 30 are arranged between two adjacent first-type slit grooves 20. The first-type slit groove 20 and the second-type slit groove 30 are both arc-shaped structures and are arranged in a manner of bending away from one side of the shaft hole of the rotor core. The first type slit groove 20 and both ends are respectively provided with a filling slit groove 40 and a second type slit groove 30, which are combined into a magnetic barrier layer to form salient pole difference and generate reluctance torque.
The middle of the second type slit groove 30 is provided with a reinforcing rib 50. The geometric center line of the reinforcing ribs 50 in the radial direction of the rotor core 10 coincides with the q-axis. The arrangement can effectively improve the stability and the reliability of the rotor structure.
The first type of slot 20 is an air slot and the filling slot 40 is used for inserting or injecting an electrically and magnetically non-conductive material. The mode of inserting the conductive and non-magnetic materials can effectively reduce the deformation of the rotor structure in the manufacturing process, and the quality assurance of the rotor structure is improved.
Further, the rotor core 10 is provided with an independent filling slot 70. The independent filled slots 70 are located near the outer edge of the rotor core 10 and at the q-axis. The arrangement can effectively improve the difference of the magnetic flux between the q axis and the d axis of the rotor structure, further improve the performance of the rotor structure and simultaneously facilitate the starting of the motor. As shown in fig. 1, the rotor has four magnetic poles arranged at an angle of 45 ° between the q-axis and the d-axis.
As shown in fig. 2 and 3, the rotor structure of the asynchronous starting synchronous reluctance motor further includes a conductive end ring 61 and a conductive bar 63. Two conductive end rings 61 are provided, the two conductive end rings 61 are provided at the first and second ends of the rotor core 10, and the outer circumferential surface of the conductive end rings 61 is provided with insertion grooves 62 corresponding to the independent filling grooves 70 and the filling slit grooves 40 one to one. The plurality of conductive bars 63 are inserted into the independent filling grooves 70 and the filling slit grooves 40 from the insertion grooves 62 of the conductive end ring 61 at the first end of the rotor core 10 and extend into the insertion grooves 62 of the conductive end ring 61 at the second end of the rotor core 10 to form a squirrel cage, and the plurality of conductive bars 63 are provided in plurality. In the starting process of the motor, the squirrel cage induces to generate current, and the current and the stator magnetic field act to generate asynchronous torque so as to start the motor. Wherein the length of the filling slit groove 40 is gradually reduced in a direction approaching the q-axis.
According to another aspect of the present invention, a method for manufacturing an asynchronously-started synchronous reluctance motor rotor is provided, which is used for manufacturing the rotor structure of the asynchronously-started synchronous reluctance motor of the above-mentioned embodiment. The method comprises the following steps: the rotor punching sheets are laminated to form a rotor core 10, the conducting bars 63 are inserted into the filling slot 40 and the independent filling slot 70 of the rotor core 10, the conducting end rings 61 are respectively arranged at two ends of the rotor core 10, the conducting bars 63 are inserted into the slots 62 of the conducting end rings 61, the conducting end rings 61 and the rotor core 10 are tightly pressed, and the conducting bars 63 and the conducting end rings 61 are connected in a welding mode to form a squirrel cage. The rotor structure manufactured by the method has the advantages of small rotor deformation, easy processing, convenient operation and production material saving.
The rotor structure in the above embodiments may also be used in the technical field of motor equipment, that is, according to another aspect of the present invention, a motor is provided. The motor comprises an asynchronous starting synchronous reluctance motor rotor structure. The rotor structure of the asynchronous starting synchronous reluctance motor is the rotor structure of the asynchronous starting synchronous reluctance motor in the embodiment.
The rotor structure in the above embodiments may also be used in the technical field of compressors, fans, and other devices, that is, according to another aspect of the present invention, a compressor is provided. The compressor comprises an asynchronous starting synchronous reluctance motor rotor structure, and the asynchronous starting synchronous reluctance motor rotor structure is the asynchronous starting synchronous reluctance motor rotor structure in the embodiment.
Particularly, the synchronous reluctance motor rotor can overcome the defects of the rotor structure in the prior art. And this synchronous reluctance motor rotor has reduced the material quantity of making the rotor, reduces motor cost, reduces the rotor magnetic leakage simultaneously, promotes motor efficiency. The mode of inserting the conductive and non-magnetic material is adopted to avoid serious deformation during the manufacturing of the rotor, and the manufacturing quality is improved.
The rotor punching sheet is provided with a plurality of slit grooves which are arranged in a layered mode in the radial direction to form a magnetic barrier layer, the magnetic barrier layer is at least arranged in two layers in the radial direction of the rotor, the slit grooves are divided into air slit grooves and filling slit grooves, the filling slit grooves need to be filled with conductive and non-magnetic materials such as aluminum, the filling slit grooves are distributed on the periphery of the rotor and located at two ends of the air slit grooves, and the filling slit grooves under one pole are arranged at intervals, as shown in the position A in the figure 1. The rotor with the structure reduces the filling slot, can reduce the using amount of filling materials, reduces the cost, can also reduce the number of reinforcing ribs, reduces the magnetic leakage and improves the motor efficiency. The guide strips are aluminum strips, the structural shapes of the guide strips are consistent with those of corresponding filling slit grooves, the guide strips are inserted into the rotor filling slit grooves in an insertion mode instead of pressure casting aluminum, and the rotor is prevented from being seriously deformed.
The rotor is composed of a rotor core formed by laminating rotor punching sheets with specific structures, conductive end rings and guide bars at two ends of the rotor core, wherein the rotor punching sheets are provided with a plurality of slit grooves (a first type slit groove and a second type slit groove), filling slit grooves and shaft holes matched with the rotating shaft. The filling slit grooves are distributed on the periphery of the rotor and located at two ends of the air slit grooves, the filling slit grooves located at two ends of the air slit grooves under one pole are arranged at intervals, the slit grooves are arranged in layers in the radial direction and combined into a magnetic barrier layer, at least two layers of the magnetic barrier layer are arranged in the radial direction of the rotor, the magnetic barrier layer increases the inductance difference between the d axis and the q axis of the motor, and reluctance torque is generated to enable the motor to run. The first slit groove and the filling slit grooves at the two corresponding ends are divided by two reinforcing ribs and are independent respectively. The strengthening rib guarantees rotor structural strength. The magnetic barrier layer formed by the second type of narrow slots is only divided by one reinforcing rib, so that the number of the reinforcing ribs can be reduced, the magnetic leakage is reduced, and the motor efficiency is improved.
The slit filling groove needs to be filled or inserted with conductive and non-magnetic materials such as aluminum and the like, when the motor is started, current can be generated through induction, asynchronous torque is generated under the action of the current and the stator, the motor is started, air is filled in the first type of slit groove and the second type of slit groove, the circulation area of the rotor can be increased, and the heat dissipation effect is achieved.
The conducting bars are inserted into the corresponding filling slits on the rotor, the conducting end rings are arranged at two ends of the rotor core, the conducting end rings are provided with conducting bar slots, as shown in figure 2, the shapes of the slots are consistent with those of the corresponding conducting bars, the conducting bars can be inserted into the corresponding slots, the structural shapes of the conducting bars are consistent with those of the corresponding filling slits, the conducting bars are inserted into the corresponding filling slits on the rotor core, the conducting end rings and the conducting bars are connected through welding and the like, all the conducting bars are in short circuit through the conducting end rings to form a squirrel cage, as shown in figure 3, the squirrel cage is a three-dimensional explosion view of the rotor, and when the motor is started, the squirrel cage and the stator act to generate asynchronous. The manufacturing method of the asynchronous starting synchronous moving reluctance motor rotor comprises the following steps: the rotor core is formed by laminating rotor punching sheets with specific structures, and a conductive end ring and a guide bar which are made of conductive and non-magnetic materials, wherein the guide bar is inserted into a corresponding filling slot on the rotor core, the length of the guide bar is larger than that of the core, the guide bar can extend out of two ends of the core, the conductive end ring is placed at two ends of the rotor, the slot on the end ring is inserted into the guide bar correspondingly, the core and the end ring are compressed finally, the guide bar and the end ring are welded through welding, and the rotor is manufactured into a whole, wherein the axial view of the rotor is shown in figure 4, and figure 5 is the manufacturing method flow of the rotor.
In addition to the foregoing, it should be noted that reference throughout this specification to "one embodiment," "another embodiment," "an embodiment," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described generally throughout this application. The appearances of the same phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is submitted that it is within the scope of the invention to effect such feature, structure, or characteristic in connection with other embodiments.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by 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 (8)
1. An asynchronously-started synchronous reluctance motor rotor structure, comprising:
the rotor core (10) is provided with a first type of slit grooves (20) and a second type of slit grooves (30), the first type of slit grooves (20) and the second type of slit grooves (30) are arranged in a staggered mode along the q-axis direction of the rotor core (10), two ends of each first type of slit groove (20) are respectively provided with one filling slit groove (40), and the second type of slit grooves (30) are air grooves;
an independent filling groove (70) is further formed in the rotor iron core (10), and the independent filling groove (70) is arranged close to the outer edge of the rotor iron core (10) and located at the q axis;
the rotor structure of the asynchronous starting synchronous reluctance motor further comprises:
two conductive end rings (61), wherein the two conductive end rings (61) are arranged at the first end and the second end of the rotor core (10), and the outer circumferential surface of each conductive end ring (61) is provided with slots (62) which correspond to the independent filling grooves (70) and the filling slit grooves (40) one by one;
a plurality of bars (63), the plurality of bars (63) being inserted into the independent filling slots (70) and the filling slot slots (40) through the insertion slots (62) of the conductive end ring (61) from the first end of the rotor core (10) and extending into the insertion slots (62) of the conductive end ring (61) from the second end of the rotor core (10) to form a squirrel cage.
2. Asynchronous starting synchronous reluctance machine rotor structure according to claim 1, wherein said first type of slot slots (20) is plural, said second type of slot slots (30) is plural, said plurality of first type of slot slots (20) being arranged alternately with said plurality of second type of slot slots (30), said second type of slot slots (30) being arranged between two adjacent first type of slot slots (20).
3. Asynchronous starting synchronous reluctance machine rotor structure according to claim 1 or 2, wherein the second type of slot slots (30) are provided with a reinforcement rib (50) in the middle, the geometric centre line of said reinforcement rib (50) in the radial direction of said rotor core (10) coinciding with said q-axis.
4. Asynchronous starting synchronous reluctance machine rotor structure according to claim 1, characterised in that said first type of slot slots (20) are air slots, said filling slot slots (40) being intended for the insertion or injection of an electrically non-conductive material.
5. Asynchronous starting synchronous reluctance machine rotor structure according to claim 1, characterised in that the length of said filling slot (40) is arranged decreasing in the direction close to the q-axis.
6. A method of manufacturing an asynchronously-started synchronous reluctance machine rotor structure for use in manufacturing an asynchronously-started synchronous reluctance machine rotor structure according to any one of claims 1 to 5, comprising the steps of:
laminating the rotor punching sheets to form the rotor iron core (10);
inserting a bar guide (63) into a filling slot (40) and a separate filling slot (70) of the rotor core (10);
respectively arranging conductive end rings (61) at two ends of a rotor core (10), and inserting conducting bars (63) into slots (62) of the conductive end rings (61);
and pressing the conductive end ring (61) and the rotor core (10), and welding and connecting the conducting bars (63) with the conductive end ring (61) to form a squirrel cage.
7. An electrical machine comprising an asynchronously started synchronous reluctance machine rotor structure, characterized in that the asynchronously started synchronous reluctance machine rotor structure is an asynchronously started synchronous reluctance machine rotor structure according to any of claims 1 to 6.
8. A compressor comprising an asynchronously started synchronous reluctance motor rotor structure, wherein the asynchronously started synchronous reluctance motor rotor structure is the asynchronously started synchronous reluctance motor rotor structure of any one of claims 1 to 5.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910532908.XA CN110138115B (en) | 2019-06-19 | 2019-06-19 | Asynchronous starting synchronous reluctance motor rotor structure, motor and compressor |
| PCT/CN2019/128068 WO2020253192A1 (en) | 2019-06-19 | 2019-12-24 | Asynchronous starting synchronous reluctance motor rotor structure, motor and compressor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910532908.XA CN110138115B (en) | 2019-06-19 | 2019-06-19 | Asynchronous starting synchronous reluctance motor rotor structure, motor and compressor |
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| CN110138115A CN110138115A (en) | 2019-08-16 |
| CN110138115B true CN110138115B (en) | 2020-10-20 |
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| CN110138115B (en) * | 2019-06-19 | 2020-10-20 | 珠海格力电器股份有限公司 | Asynchronous starting synchronous reluctance motor rotor structure, motor and compressor |
| CN110445335A (en) * | 2019-08-23 | 2019-11-12 | 扬州市华胜机电制造有限公司 | Self-starting synchronous magnetic resistance motor |
| CN113078750A (en) * | 2020-01-03 | 2021-07-06 | 哈尔滨理工大学 | Novel synchronous reluctance motor rotor structure |
| CN112688511A (en) * | 2020-12-10 | 2021-04-20 | 山东大学 | Asymmetric integrated rotor type permanent magnet synchronous reluctance motor, method and application |
| CN112713741A (en) * | 2020-12-21 | 2021-04-27 | 中车永济电机有限公司 | Self-starting three-phase synchronous reluctance motor |
| CN114520551A (en) * | 2022-01-26 | 2022-05-20 | 珠海格力电器股份有限公司 | Motor rotor and self-starting synchronous reluctance motor and compressor thereof |
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| DE102013201353A1 (en) * | 2012-02-10 | 2013-08-14 | Ksb Aktiengesellschaft | Rotor and reluctance motor |
| DE102014215304A1 (en) * | 2014-08-04 | 2016-02-04 | Ksb Aktiengesellschaft | Rotor, reluctance machine and rotor manufacturing method |
| CN104917350A (en) * | 2014-12-09 | 2015-09-16 | 江苏爱尔玛科技有限公司 | Asynchronous starting permanent magnet motor rotor |
| US10312780B2 (en) * | 2015-10-21 | 2019-06-04 | Mcmaster University | Double-rotor switched reluctance machine with segmented rotors |
| CN108110920A (en) * | 2017-12-14 | 2018-06-01 | 珠海格力节能环保制冷技术研究中心有限公司 | Asynchronous starting synchronous magnetic resistance motor rotor, motor and compressor |
| CN108711969A (en) * | 2018-07-13 | 2018-10-26 | 珠海格力电器股份有限公司 | Rotor assembly and motor |
| CN110138115B (en) * | 2019-06-19 | 2020-10-20 | 珠海格力电器股份有限公司 | Asynchronous starting synchronous reluctance motor rotor structure, motor and compressor |
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| WO2020253192A1 (en) | 2020-12-24 |
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