CN209805603U - Rotor assembly structure of asynchronous starting synchronous reluctance motor and motor - Google Patents

Rotor assembly structure of asynchronous starting synchronous reluctance motor and motor Download PDF

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Publication number
CN209805603U
CN209805603U CN201920938526.2U CN201920938526U CN209805603U CN 209805603 U CN209805603 U CN 209805603U CN 201920938526 U CN201920938526 U CN 201920938526U CN 209805603 U CN209805603 U CN 209805603U
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CN
China
Prior art keywords
end ring
rotor
rotor core
blades
synchronous reluctance
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CN201920938526.2U
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Chinese (zh)
Inventor
陈彬
肖勇
史进飞
余钦宏
李霞
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
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Abstract

The utility model provides an asynchronous starting synchronous reluctance motor rotor subassembly structure, motor. The rotor assembly structure of the asynchronous starting synchronous reluctance motor comprises a rotor core; the conductive end ring is connected with the end part of the rotor core, and end ring blades are arranged on the end surface of the conductive end ring; the cover plate is sleeved on a rotating shaft penetrating through the rotor iron core, the cover plate and the conductive end ring are oppositely arranged, fan blades are arranged on the surface of the cover plate facing the conductive end ring, and the rotor iron core can drive the conductive end ring and the cover plate to rotate so that the end ring blades and the fan blades are matched to form heat dissipation airflow for driving air inside and outside the rotor iron core to flow. Set up the flabellum on the apron for this flabellum cooperatees in order to form the radiator fan effect with the end ring blade on the conductive end ring, can accelerate rotor core inside promptly the circulation of surrounding air current effectively, plays and effectively reduces rotor core temperature rise effect, has effectively improved the efficiency of the motor that has this rotor subassembly structure then.

Description

Rotor assembly structure of asynchronous starting synchronous reluctance motor and motor
Technical Field
the utility model relates to a compressor equipment technical field particularly, relates to an asynchronous starting synchronous reluctance motor rotor subassembly structure, motor.
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, realizes constant-speed operation by generating reluctance torque through the difference of rotor inductance, and can realize starting operation by asynchronously introducing a power supply. Compared with an asynchronous starting 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.
The traditional synchronous reluctance motor needs a driver to start and control operation, has high cost and difficult control, and the driver occupies part of loss, so that the efficiency of the whole motor system is reduced. Patent number publication No. US2975310A provides a synchronous induction machine rotor structure, produces reluctance torque, simple structure, but whole injection aluminium in this patent rotor groove, and motor startability is relatively poor, 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 flabellum on the end ring also does not dispel the heat to rotor inside. Patent publication No. CN1420606A provides a synchronous induction motor rotor with a vent hole for a hermetic compressor and capable of reducing the oil circulation amount of the compressor, but the flow hole is small, the effect is not obvious, and in an industrial motor, the pressure difference inside the motor is small, the air flow is small, and the heat dissipation effect is not obvious.
SUMMERY OF THE UTILITY MODEL
A primary object of the utility model is to provide an asynchronous starting synchronous reluctance motor rotor subassembly structure, motor to solve the poor problem of motor heat dissipation efficiency among the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided an asynchronously-started synchronous reluctance motor rotor assembly structure, comprising: a rotor core; the conductive end ring is connected with the end part of the rotor core; the cover plate is sleeved on a rotating shaft penetrating through the rotor iron core, the cover plate and the conductive end ring are oppositely arranged, fan blades are arranged on the surface of the cover plate facing the conductive end ring, and the rotor iron core can drive the cover plate to rotate so that the fan blades can drive the heat dissipation air flow flowing in the rotor iron core and the peripheral air flow.
Furthermore, end ring blades are arranged on the end face of the conductive end ring, and the rotor core can drive the conductive end ring and the cover plate to rotate so that the end ring blades and the fan blades are matched to form heat dissipation airflow which drives air inside and outside the rotor core to flow.
Furthermore, a plurality of narrow-slit grooves are formed in the rotor core, two ends of each narrow-slit groove are provided with a filling groove to form a magnetic barrier layer, the narrow-slit grooves are air grooves, the filling grooves are filled with conductive non-magnetic materials, and the conductive end rings are in short circuit with the conductive non-magnetic materials filled in the filling grooves to form a squirrel cage.
furthermore, the filling grooves are arranged at intervals along the circumferential direction of the rotor core, and the conductive end rings cover the filling grooves and avoid the slit grooves.
Furthermore, the end ring blades are centrifugal blades, the end ring blades are multiple, the end ring blades are arranged at intervals along the circumferential direction of the conductive end ring, the shapes and the centrifugal directions of the fan blades are the same as those of the end ring blades, the fan blades are multiple, and the fan blades and the end ring blades are arranged in a one-to-one correspondence mode and are mutually jointed to form the integral guide vane.
further, the length of the fan blades extending along the radial direction of the rotor core is greater than the length of the end ring blades extending along the radial direction of the rotor core, the end part of each fan blade close to the edge of the rotor core is provided with an interface, and the end ring blades are jointed with the fan blades through the interfaces.
Furthermore, the number of the conductive end rings is two, the two conductive end rings are respectively arranged at two ends of the rotor core, and the centrifugal directions of end ring blades arranged on the two conductive end rings are opposite.
Further, the number of the cover plates is two, the two cover plates are respectively arranged at two ends of the rotor core, and the centrifugal directions of the fan blades arranged on the two cover plates are opposite to each other, so that one end of the rotor core forms an air suction end, and the other end of the rotor core forms an air exhaust end.
Further, two independent filling grooves are arranged on the outer edge of each pole of the rotor core, close to the rotor core, and the two independent filling grooves are arranged at intervals and are symmetrically arranged relative to the q axis of the rotor core.
Further, the independent filling groove has a straight section and an inclined section, an extension line of the straight section is perpendicular to the q axis, and the inclined section extends towards the outer edge of the rotor core and is arranged with an included angle with the straight section.
Further, the end ring blades and/or the fan blades are in an arc-shaped structure.
According to the utility model discloses an on the other hand provides a motor, including asynchronous starting synchronous reluctance motor rotor subassembly structure, asynchronous starting synchronous reluctance motor rotor subassembly structure is foretell asynchronous starting synchronous reluctance motor rotor subassembly structure.
According to the utility model discloses an on the other hand provides an electric automobile, including asynchronous starting synchronous reluctance motor rotor subassembly structure, asynchronous starting synchronous reluctance motor rotor subassembly structure is above-mentioned asynchronous starting synchronous reluctance motor rotor subassembly structure.
Use the technical scheme of the utility model, set up the flabellum on the apron for this flabellum cooperatees with the end links blade on the conductive end links in order to form the radiator fan effect, can accelerate the inside circulation that is air current on every side of rotor core effectively, plays the temperature rise effect that effectively reduces rotor core, has effectively improved the efficiency of the motor that has this rotor subassembly structure then.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, 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 an exploded schematic view of a first embodiment of an asynchronously started synchronous reluctance machine rotor assembly structure according to the present invention;
Fig. 2 shows an exploded schematic view of a second embodiment of an asynchronously started synchronous reluctance machine rotor assembly structure according to the present invention;
Fig. 3 shows a schematic structural view of an embodiment of a rotor core and an electrically conductive end ring according to the present invention;
fig. 4 shows a schematic structural view of an embodiment of a cover plate according to the invention;
FIG. 5 shows a schematic cross-sectional structural view of an embodiment of a rotor core and conductive end ring according to the present invention;
Fig. 6 shows a schematic cross-sectional structural view of an embodiment of a rotor core according to the invention.
Wherein the figures include the following reference numerals:
10. A rotor core; 11. a slit groove; 12. filling the groove;
20. a conductive end ring; 21. an end ring blade;
30. A cover plate; 31. a fan blade; 311. an interface;
40. 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 accompanying drawings in conjunction with embodiments.
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 described above 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.
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 6, according to an embodiment of the present invention, a rotor assembly structure of an asynchronous starting synchronous reluctance motor is provided.
Specifically, as shown in fig. 1 and 2, the rotor assembly structure of the asynchronous starting synchronous reluctance motor includes a rotor core 10, a conductive end ring 20, and a cover plate 30. The conductive end ring 20 is connected to an end of the rotor core 10. End ring blades 21 are provided on the end faces of the conductive end rings 20. The cover plate 30 is sleeved on the rotating shaft passing through the rotor core 10, the cover plate 30 is disposed opposite to the conductive end ring 20, the surface of the cover plate 30 facing the conductive end ring 20 is provided with fan blades 31, and the rotor core 10 can drive the conductive end ring 20 and the cover plate 30 to rotate so that the end ring blades 21 and the fan blades 31 cooperate to form a heat dissipation airflow for driving the air inside and outside the rotor core 10 to flow.
In this embodiment, set up the flabellum on the apron for this flabellum cooperatees with the end ring blade on the conductive end ring and forms the radiator fan effect, can accelerate the inside circulation that is surrounding air current of rotor core effectively, plays the temperature rise effect that effectively reduces rotor core, has effectively improved the efficiency of the motor that has this rotor subassembly structure then.
As shown in fig. 3, 5 and 6, the rotor core 10 has a plurality of slit grooves 11. Both ends of each slit groove 11 are provided with one filling groove 12 to form a magnetic barrier layer. The slit groove 11 is an air groove, the filling groove 12 is filled with a conductive and non-magnetic material, and the conductive end ring 20 is in short circuit with the conductive and non-magnetic material filled in the filling groove 12 to form a squirrel cage. The arrangement enables air flow at both ends of the rotor structure to circulate from the inside of the rotor core through the slit grooves 11, effectively reducing the temperature of the rotor core.
The plurality of filling grooves 12 are provided at intervals in the circumferential direction of the rotor core 10, and the conductive end rings 20 cover the filling grooves 12 and are spaced from the slit grooves 11. The arrangement can effectively increase the air flowing space and further play a role in reducing the temperature of the rotor core.
the end ring blades 21 are centrifugal blades, the end ring blades 21 are multiple, the end ring blades 21 are arranged at intervals along the circumferential direction of the conductive end ring 20, the shapes and the centrifugal directions of the fan blades 31 are the same as those of the end ring blades 21, the fan blades 31 are multiple, and the fan blades 31 and the end ring blades 21 are arranged in a one-to-one correspondence and are mutually jointed to form the integral guide vane. The arrangement enables the fan blades 31 and the end ring blades 21 to form a heat dissipation effect of the centrifugal fan, and further improves the cooling effect of the rotor assembly structure.
As shown in fig. 4, the length of the fan blades 31 extending in the radial direction of the rotor core 10 is greater than the length of the end ring blades 21 extending in the radial direction of the rotor core 10, the end of each fan blade 31 near the edge of the rotor core 10 is provided with an interface 311, and the end ring blades 21 are joined to the fan blades 31 through the interfaces 311. This arrangement can effectively increase the flow guiding area of the end ring blades 21 and the fan blades 31, and thus effectively increase the flow velocity of the air around the rotor core.
The number of the conductive end rings 20 is two, the two conductive end rings 20 are respectively disposed at two ends of the rotor core 10, and the end ring blades 21 disposed on the two conductive end rings 20 are disposed in opposite centrifugal directions. The number of the cover plates 30 is two, the two cover plates 30 are respectively disposed at two ends of the rotor core 10, and the centrifugal directions of the fan blades 31 disposed on the two cover plates 30 are opposite to each other, so that one end of the rotor core 10 forms an air suction end and the other end forms an air suction end. The setting can accelerate the flow velocity of air like this, can effectively prevent rotor structure's temperature rise then.
As shown in fig. 6, two independent filling slots 40 are provided at each pole of the rotor core 10 near the outer edge of the rotor core 10, and the two independent filling slots 40 are provided at intervals and symmetrically with respect to the q-axis of the rotor core 10. The independent filling groove 40 has a straight section, the extension line of which is perpendicular to the q-axis, and an inclined section that is disposed extending toward the outer edge of the rotor core 10 and is disposed with an angle from the straight section. The magnetic leakage of the rotor core can be reduced by the arrangement, and the performance of the rotor core is effectively improved. Preferably, the end ring blades 21 and/or the fan blades 31 have an arc-shaped structure.
The rotor subassembly structure in above-mentioned embodiment can also be used for electrical equipment technical field, promptly according to the utility model discloses a further aspect provides a motor, including asynchronous starting synchronous reluctance machine rotor subassembly structure, asynchronous starting synchronous reluctance machine rotor subassembly structure is asynchronous starting synchronous reluctance machine rotor subassembly structure in above-mentioned embodiment.
Specifically, adopt the rotor structure of this application, regard slit groove as air flow hole, area of circulation is big, and the radiating effect is good. Centrifugal protruding blades are arranged on end rings at two ends of the rotor to accelerate air circulation and dissipate heat. The fan blades are arranged at the two ends of the rotor and combined with the rotor to form a centrifugal fan effect, so that the air circulation of the slit groove is accelerated, the temperature rise of the rotor is reduced, and the motor efficiency is improved.
The rotor punching sheet is provided with a plurality of filling grooves and narrow groove, all the narrow groove and the filling grooves at two ends are combined into a magnetic barrier layer, at least more than two layers of the magnetic barrier layer are arranged in the radial direction of the rotor, the filling grooves are filled with conductive and non-magnetic materials, and a squirrel cage is formed by the filling grooves and conductive end rings at two ends of the rotor, so that asynchronous starting is realized. The conductive end ring only covers all the filling grooves, and the slit grooves are not filled with materials and are air circulation holes. The conductive end ring is provided with end ring blades, and when the motor runs, the end ring blades form pressure difference to accelerate air circulation and heat dissipation. The cover plates are arranged at the two ends of the rotor, the fan blades are arranged on the cover plates and are installed in a matched mode through the rotating shaft, the centrifugal fan effect is formed by combining the centrifugal fan blades with the rotor conducting end ring centrifugal blades, the two ends of the rotor form a suction effect, circulation of slit groove air holes in the rotor is accelerated, and temperature rise of the rotor is reduced.
As shown in fig. 1, the rotor is composed of a rotor core formed by laminating rotor sheets with specific structures and conductive end rings at two ends of the rotor core, and the rotor sheets are provided with a plurality of filling grooves, slit grooves and shaft holes matched with the rotating shaft. The filling grooves and the slit grooves are arranged in pairs at the circumference of the rotor. The magnetic barrier layer combined by the filling groove and the slit groove has at least two layers in the radial direction of the rotor core to form paired poles to generate reluctance torque. The end of the rotor is provided with a cover plate and centrifugal fan blades (shown in figure 4) which are arranged at two ends of the rotor.
The conductive end ring is provided with a plurality of groups of protruding end ring blades, the plurality of groups of blades are uniformly distributed on the conductive end ring, the blades and the conductive end ring are integrally designed, and the end ring blades are centrifugal, so that when the motor runs, the blades generate pressure difference to accelerate air circulation. The filling grooves are formed in the outer periphery of the rotor sheet, all the filling grooves are filled with conductive and non-magnetic materials and are in short circuit through end rings to form a squirrel cage, and the end ring materials are consistent with the filling grooves. Preferably, the end ring material is aluminum or aluminum alloy, and the squirrel cage can generate asynchronous torque to realize the self-starting capability of the motor. The conductive end ring covers all the filling grooves to short-circuit all the filling grooves, and the slit grooves are not filled with materials and serve as air circulation holes, so that a plurality of air circulation holes are formed in the axial direction of the rotor, the circulation area is large, and heat dissipation of the rotor core of the motor is facilitated. The cover plate and the centrifugal fan blades are integrally designed, the outer diameter of the cover plate is equal to or smaller than that of the end ring, and the number of the centrifugal fan blades is consistent with that of the protruding blades on the end ring. The centrifugal fan blades are joined to each other to form larger blades, with the shape and centrifugal direction of the blades protruding from the end ring being the same. Therefore, the centrifugal fan is formed at the end part of the rotor, and when the motor runs, the circulation of the slit groove (air circulation hole) is accelerated under the action of the blades, so that the temperature rise of the rotor core is effectively reduced.
furthermore, the cover plate and the centrifugal fan blades are in interference fit with the rotating shaft through the cover plate and are arranged at two ends of the rotor, and blades (end ring blades and fan blades) at two ends of the rotor are arranged in the mode that the centrifugal directions are opposite under the same visual angle, so that the fan blades at two ends of the rotor form a suction effect, and the circulation and heat dissipation of air are accelerated. Because the protruding blades are arranged on the end ring of the rotor, even though the cover plates and the centrifugal fan blades at the two ends of the rotor are not arranged, a certain effect of accelerating circulation and heat dissipation can be achieved through the protruding blades on the end ring.
To reduce the difficulty of the rotor manufacturing process, the protruding blades on the conductive end ring may be disposed on the fan blade, i.e., the fan blade has no interface for the complete fan blade, and at this time, the end of the complete fan blade may be joined to the end of the end ring blade (as shown in fig. 2).
In another embodiment of the present application, the rotor structure includes a rotor core 10, an electrically conductive end ring 20, and a cover plate 30. The conductive end ring 20 is connected to an end of the rotor core 10. The cover plate 30 is sleeved on a rotating shaft passing through the rotor core 10, the cover plate 30 is disposed opposite to the conductive end ring 20, the surface of the cover plate 30 facing the conductive end ring 20 is provided with fan blades 31, and the rotor core 10 can drive the cover plate 30 to rotate so that the fan blades 31 drive the heat dissipation airflow flowing in the air inside and outside the rotor core 10. That is, the end ring is not provided with end ring blades, and the effect of reducing the temperature rise of the rotor structure is also achieved by only arranging fan blades on the cover plate.
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.
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 (12)

1. An asynchronously starting synchronous reluctance machine rotor assembly structure, comprising:
A rotor core (10);
An electrically conductive end ring (20), the electrically conductive end ring (20) being connected with an end of the rotor core (10);
The rotor structure comprises a cover plate (30), wherein the cover plate (30) is sleeved on a rotating shaft penetrating through the rotor core (10), the cover plate (30) and the conductive end ring (20) are oppositely arranged, fan blades (31) are arranged on the surface of the conductive end ring (20) facing the cover plate (30), and the rotor core (10) can drive the cover plate (30) to rotate so that the fan blades (31) drive heat dissipation airflow flowing inside and outside the rotor core (10).
2. the rotor assembly structure of the asynchronous starting synchronous reluctance motor according to claim 1, wherein the end ring (20) has end ring blades (21) on the end surface, and the rotor core (10) can drive the conductive end ring (20) and the cover plate (30) to rotate so that the end ring blades (21) and the fan blades (31) cooperate to form a heat dissipation airflow for driving the air inside and outside the rotor core (10) to flow.
3. The rotor assembly structure of the asynchronous starting synchronous reluctance motor according to claim 2, wherein a plurality of slit grooves (11) are formed in the rotor core (10), a filling groove (12) is formed at each of two ends of each slit groove (11) to form a magnetic barrier layer, the slit grooves (11) are air grooves, the filling grooves (12) are filled with an electrically non-conductive material, and the electrically conductive end rings (20) are short-circuited with the electrically non-conductive material filled in the filling grooves (12) to form a squirrel cage.
4. The rotor assembly structure of an asynchronously started synchronous reluctance motor according to claim 3, wherein the filling groove (12) is plural, the plural filling grooves (12) are provided at intervals along a circumferential direction of the rotor core (10), and the conductive end ring (20) covers the filling groove (12) and avoids the slit groove (11).
5. the rotor assembly structure of the asynchronous starting synchronous reluctance motor according to claim 2, wherein the end ring blades (21) are centrifugal blades, the end ring blades (21) are plural, the end ring blades (21) are arranged at intervals along the circumferential direction of the conductive end ring (20), the shape and the centrifugal direction of the fan blades (31) are the same as those of the end ring blades (21), the fan blades (31) are plural, and the fan blades (31) and the end ring blades (21) are arranged in a one-to-one correspondence and are mutually jointed to form an integral guide blade.
6. The rotor assembly structure of an asynchronous starting synchronous reluctance motor according to claim 5, wherein the length of the fan blades (31) extending in the radial direction of the rotor core (10) is greater than the length of the end ring blades (21) extending in the radial direction of the rotor core (10), the end of each fan blade (31) near the edge of the rotor core (10) is provided with an interface (311), and the end ring blades (21) are engaged with the fan blades (31) through the interfaces (311).
7. The rotor assembly structure of an asynchronously started synchronous reluctance motor according to claim 2, wherein the number of the conductive end rings (20) is two, the two conductive end rings (20) are respectively disposed at both ends of the rotor core (10), and end ring blades (21) disposed on the two conductive end rings (20) are disposed in opposite centrifugal directions.
8. The rotor assembly structure of an asynchronous starting synchronous reluctance motor according to claim 2, wherein the number of the cover plates (30) is two, the two cover plates (30) are respectively disposed at two ends of the rotor core (10), and the centrifugal directions of the fan blades (31) disposed on the two cover plates (30) are oppositely disposed, so that one end of the rotor core (10) forms a suction end and the other end forms a suction end.
9. The rotor assembly structure of an asynchronously started synchronous reluctance motor according to claim 1, wherein two independent filling slots (40) are provided at an outer edge of each pole of the rotor core (10) near the rotor core (10), and the two independent filling slots (40) are provided at intervals and symmetrically with respect to a q-axis of the rotor core (10).
10. The rotor assembly structure of an asynchronously started synchronous reluctance motor according to claim 9, wherein the independent filling slot (40) has a straight section extended perpendicular to the q-axis and an inclined section extended toward an outer edge of the rotor core (10) and disposed at an angle to the straight section.
11. rotor assembly structure of an asynchronously started synchronous reluctance machine according to claim 2, wherein the end ring blades (21) and/or the fan blades (31) are of an arc-shaped structure.
12. An electrical machine comprising an asynchronously started synchronous reluctance machine rotor assembly structure, wherein the asynchronously started synchronous reluctance machine rotor assembly structure is an asynchronously started synchronous reluctance machine rotor assembly structure according to any one of claims 1 to 11.
CN201920938526.2U 2019-06-19 2019-06-19 Rotor assembly structure of asynchronous starting synchronous reluctance motor and motor Active CN209805603U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

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