Synchronous reluctance high-temperature-resistant motor

By adopting a non-magnetic steel rotor, high-temperature resistant winding group and shield cover design in the synchronous reluctance motor, the problem of motor demagnetization at high temperature is solved, and the high-temperature stability and waterproof performance are improved.

CN223334486UActive Publication Date: 2025-09-12ZHEJIANG HAICHUAN ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422444125.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-10
Publication Date
2025-09-12
Estimated Expiration
2034-10-10

AI Technical Summary

Technical Problem

Existing synchronous reluctance motors have poor heat resistance in high-temperature scenarios and pose a risk of demagnetization, which affects the motor life.

Method used

The stator is a hollow structure, the rotor is a non-magnetic steel structure, and the shield is located between the stator and the rotor. Combined with the high-temperature resistant winding group and the casing design, a shield cavity is formed to protect the stator and rotor and prevent demagnetization.

Benefits of technology

It improves the stability and service life of the motor in high-temperature scenarios, while enhancing the waterproof performance and protecting the rotor from demagnetization.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a synchronous reluctance high-temperature-resistant motor, which belongs to the technical field of synchronous reluctance high-temperature-resistant motors and comprises a stator, the stator is a hollow structural body, and high-temperature-resistant winding groups are arranged at two ends of the stator; the rotor is installed in the stator, the rotor and the stator are coaxially arranged, a rotating shaft is arranged at the center position of the rotor in a penetrating mode, and the rotor is a non-magnetic steel structural body; and the shielding case is positioned between the stator and the rotor so as to separate the stator from the rotor. The synchronous reluctance high-temperature-resistant motor is good in high-temperature-resistant performance, stable use of the synchronous reluctance motor in a high-temperature scene can be met, the rotor adopts a non-magnetic steel structural body, the risk of demagnetization does not exist, and therefore the service life of the motor can be effectively prolonged.
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Description

Technical Field

[0001] The utility model belongs to the technical field of synchronous reluctance high temperature resistant motors, in particular to a synchronous reluctance high temperature resistant motor. Background Art

[0002] The Synchronous Reluctance Motor (SynRM) is a new type of AC motor with unique advantages in both its operating principle and structural design. It lacks brushes and rings, making it simple, reliable, and easy to maintain. Furthermore, the lack of rotor windings and copper loss improves motor efficiency.

[0003] In actual use, the existing synchronous reluctance motor has poor high-temperature resistance. If it operates in high-temperature scenarios, there is a certain risk of demagnetization. Continuous use in high-temperature scenarios will affect the life of the synchronous reluctance motor. Utility Model Content

[0004] The utility model overcomes the deficiencies of the prior art and provides a synchronous reluctance high-temperature resistant motor to solve the problems existing in the prior art.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is: a synchronous magnetic resistance high temperature resistant motor, comprising

[0006] The stator is a hollow structure, and both ends of the stator are provided with high-temperature resistant winding groups;

[0007] A rotor, the rotor being installed in the stator and being coaxial with the stator, a rotating shaft being provided through the center of the rotor, and the rotor being a non-magnetic steel structure;

[0008] A shielding cover is located between the stator and the rotor to separate the stator from the rotor.

[0009] In a preferred embodiment of the present invention, the machine further comprises a casing, wherein the stator is located in the casing, and the outer wall of the stator is in contact with the inner wall of the casing.

[0010] In a preferred embodiment of the present invention, the rotating shaft is fixedly connected to the rotor, and the end portion of the rotating shaft is located outside the casing.

[0011] In a preferred embodiment of the present invention, an end cover is provided at the end of the housing to encapsulate the end of the housing.

[0012] In a preferred embodiment of the present invention, pressure plates are provided at both ends of the rotor to install the rotor in the shielding cover.

[0013] In a preferred embodiment of the present invention, the air magnetic barrier inside the rotor is five layers.

[0014] The present invention solves the defects in the background technology and has the following beneficial effects:

[0015] 1. The synchronous reluctance high-temperature resistant motor of the present invention has good high-temperature resistance and can meet the requirements of stable use of the synchronous reluctance motor in high-temperature scenarios. In addition, the rotor adopts a non-magnetic steel structure, which does not have the risk of demagnetization, thus effectively improving the service life of the motor.

[0016] 2. The existence of the shielding cover is conducive to improving the waterproof performance of the motor and achieving further protection for the rotor. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The present invention is further described below with reference to the accompanying drawings and embodiments;

[0018] Figure 1 This is a schematic diagram of the overall structure of a preferred embodiment of the utility model;

[0019] Figure 2 A top view of a preferred embodiment of the present utility model;

[0020] Figure 3 for Figure 2 Middle AA plane section view;

[0021] In the figure: 10, stator; 11, winding group; 20, rotor; 21, shaft; 30, shielding cover; 40, casing; 50, end cover; 60, pressure plate. DETAILED DESCRIPTION

[0022] The following diagrams illustrate various embodiments of the present invention. For clarity, many physical details will be included in the following description. However, it should be understood that these physical details are not intended to limit the present invention. In other words, in some embodiments of the present invention, these physical details are not essential. Furthermore, to simplify the drawings, some commonly used structures and components are depicted in simplified schematic form.

[0023] In addition, in the present invention, descriptions such as "first" and "second" are only used for descriptive purposes and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0024] This embodiment provides a synchronous reluctance high-temperature resistant motor, which has good high-temperature resistance and can meet the stable use of the synchronous reluctance motor in high-temperature scenarios. The rotor 20 adopts a non-magnetic steel structure, which does not have the risk of demagnetization, and can therefore effectively improve the service life of the motor.

[0025] Combine Figures 1 to 3 As shown, the synchronous reluctance high temperature resistant motor of this embodiment includes a stator 10, a rotor 20 and a shielding cover 30. The shielding cover 30 is located between the stator 10 and the rotor 20 to play a shielding role and further protect the rotor 20.

[0026] In this embodiment, the synchronous reluctance high-temperature resistant motor also includes a casing 40, the stator 10 is located in the casing 40, and the outer wall of the stator 10 is in contact with the inner wall of the casing 40, the stator 10 and the rotor 20 are both located in the casing 40, and the stator 10 and the rotor 20 are arranged from the outside to the inside in the casing 40 to form a synchronous reluctance motor.

[0027] Combine Figure 1 and Figure 3 As shown, the stator 10 of this embodiment is a hollow structure, and high-temperature resistant winding groups 11 are provided at both ends of the stator 10. The rotor 20 is installed in the stator 10 and is coaxially arranged with the stator 10. A rotating shaft 21 is provided at the center of the rotor 20. The rotor 20 is a non-magnetic steel structure. The shielding cover 30 is located between the stator 10 and the rotor 20 to separate the stator 10 from the rotor 20. The winding group 11 of this embodiment adopts a high-temperature resistant structure, which can enable the motor to continue to work at high temperatures. When the winding group 11 is energized, the rotor 20 will rotate, thereby realizing the driving function of the motor. The rotor 20 of this embodiment adopts a non-magnetic steel structure, which will not have the risk of demagnetization, and thus can effectively improve the service life of the motor.

[0028] In this embodiment, the rotating shaft 21 is fixedly connected to the rotor 20, and the end portion of the rotating shaft 21 is located outside the casing 40. Pressure plates 60 are provided at both ends of the rotor 20 to install the rotor 20 in the shielding cover 30. The presence of the pressure plates 60 is conducive to the installation operation of the rotor 20, so that the rotor 20 is stably located in the shielding cover 30.

[0029] like Figure 2 As shown, an end cover 50 is provided at the end of the casing 40 of this embodiment to encapsulate the end of the casing 40. The end cover 50 of this embodiment is detachably connected to the casing 40, which is beneficial to the maintenance and repair of the motor.

[0030] In this embodiment, the air magnetic barrier inside the rotor 20 is five-layered, and the shielding cover 30 and the inner wall of the casing 40 form a shielding cavity. The stator 10 and the winding group 11 are both located in the shielding cavity, thereby achieving protection for the stator 10 and the winding group 11 and improving the service life of the motor.

[0031] In summary, the synchronous reluctance high-temperature resistant motor of this embodiment has good high-temperature resistance and can meet the stable use of the synchronous reluctance motor in high-temperature scenarios. The rotor 20 adopts a non-magnetic steel structure, which does not have the risk of demagnetization, and can effectively improve the service life of the motor. The presence of the shielding cover 30 is conducive to improving the waterproof performance of the motor and achieving further protection of the rotor 20.

[0032] Although the present invention has been described above with reference to various embodiments, it should be understood that many changes and modifications may be made without departing from the scope of the present invention. That is, the methods, systems, or devices discussed above are all examples. Various configurations may omit, replace, or add various processes or components as appropriate. For example, in an alternative configuration, the method may be performed in an order different from that described, and / or various stages may be added, omitted, and / or combined. Moreover, the features described with respect to certain configurations may be combined in various other configurations. Different aspects and elements of the configurations may be combined in a similar manner. In addition, as technology develops, many elements are merely examples and do not limit the scope of this disclosure or the claims.

[0033] Specific details are given in the specification to provide a thorough understanding of the exemplary configurations including implementations. However, the configurations can be practiced without these specific details. For example, well-known circuits, processes, algorithms, structures, and techniques have been shown without unnecessary detail to avoid obscuring the configurations. This description provides only example configurations and does not limit the scope, applicability, or configurations of the claims. On the contrary, the foregoing description of the configurations will provide those skilled in the art with an enabling description for implementing the described techniques. Various changes may be made to the functions and arrangements of the elements without departing from the spirit or scope of this disclosure.

[0034] Furthermore, although each operation may be described as a sequential process, many operations may be performed in parallel or simultaneously. Furthermore, the order of the operations may be rearranged. A process may have additional steps. Furthermore, examples of the methods may be implemented in hardware, software, firmware, middleware, code, hardware description languages, or any combination thereof. When implemented in software, firmware, middleware, or code, the program code or code segments for performing the necessary tasks may be stored in a non-transitory computer-readable medium such as a storage medium, and the described tasks may be performed by a processor.

[0035] In summary, it is intended that the above detailed description be considered illustrative rather than restrictive, and it should be understood that the claims (including all equivalents) are intended to define the spirit and scope of the present invention. The above embodiments should be understood as merely illustrating the present invention and not to limit the scope of protection of the present invention. After reading the contents of the present invention, technicians can make various changes or modifications to the present invention, and these equivalent changes and modifications also fall within the scope defined by the claims of the present invention.

Claims

1. A synchronous reluctance high temperature resistant motor, characterized in that: include A stator (10), wherein the stator (10) is a hollow structure, and high-temperature resistant winding groups (11) are provided at both ends of the stator (10); a rotor (20), the rotor (20) being installed in the stator (10) and being coaxially arranged with the stator (10), a rotating shaft (21) being provided through the center of the rotor (20), and the rotor (20) being a non-magnetic steel structure; A shielding cover (30) is located between the stator (10) and the rotor (20) to separate the stator (10) from the rotor (20).

2. A synchronous reluctance high temperature resistant motor according to claim 1, characterized in that: It also includes a casing (40), the stator (10) is located in the casing (40), and the outer wall of the stator (10) is in contact with the inner wall of the casing (40).

3. The synchronous reluctance high temperature resistant motor according to claim 2, characterized in that: The rotating shaft (21) is fixedly connected to the rotor (20), and an end portion of the rotating shaft (21) is located outside the casing (40).

4. The synchronous reluctance high temperature resistant motor according to claim 2, characterized in that: An end cover (50) is provided at the end of the housing (40) to seal the end of the housing (40).

5. The synchronous reluctance high temperature resistant motor according to claim 1, characterized in that: Pressing plates (60) are provided at both ends of the rotor (20) to install the rotor (20) in the shielding cover (30).

6. The synchronous reluctance high temperature resistant motor according to claim 1, characterized in that: The air magnetic barrier inside the rotor (20) has five layers.