Modularized winding structure of permanent magnet auxiliary synchronous reluctance motor

The modular winding structure and silicone rubber connecting plates solve the problems of winding slippage and wear in synchronous reluctance motors, achieving a safer and more stable winding design.

CN223487966UActive Publication Date: 2025-10-28CHINA DRIVE ELECTRIC CO LTD (ZHEJIANG)
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Patent Information

Application Number
CN202422677347.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2025-10-28
Estimated Expiration
2034-11-04

AI Technical Summary

Technical Problem

The winding structure of the existing synchronous reluctance motor is prone to slippage and wear, and is not safe, stable and durable.

Method used

The modular winding structure is adopted, including the mounting plate, side pressure plate, inner and outer baffles, limit rods and other components, combined with the outer and inner connecting plates and arc plates made of silicone rubber to form a trapezoidal winding, which increases stability and durability.

Benefits of technology

It improves the safety and durability of the winding, reduces wear and tear, and ensures the stability and reliability of the winding.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a modularized winding structure of a permanent magnet auxiliary synchronous reluctance motor, which relates to the technical field of modularized winding structures of motors, and comprises a plurality of groups of unit winding modules arranged on the upper end surface of a mounting plate, side pressing sheets arranged on the left and right sides of the unit winding modules, and outer baffles fixed on the outer sides of the side pressing sheets, inner baffles are fixed to the inner sides of the side pressing pieces, clamping grooves are formed between the outer baffles and the inner baffles on one sides of the unit winding modules, multiple sets of partition frames are arranged on the upper end face of the mounting plate, each set of partition frame is located in the corresponding set of clamping grooves, and the mounting plate is of a circular-arc-shaped plate structure. And a plurality of twelve groups of unit winding modules and twelve groups of separation frames are arranged on the upper end surface of the mounting plate. According to the utility model, the unit winding structure modules are assembled on the arc-shaped mounting plates in a modularized manner, and are mounted more firmly, stably and firmly, are not easy to loosen, are prevented from being abraded, and are safer, more reliable and more durable.
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Description

Technical Field

[0001] This utility model relates to the technical field of modular winding structure of motors, specifically to a modular winding structure of a permanent magnet assisted synchronous reluctance motor. Background Technology

[0002] Synchronous reluctance motors have advantages such as high power density, wide speed range, high efficiency, and small size. However, since the performance of the motor is provided by the performance of the permanent magnet, rare earth permanent magnets are often used. Rare earth permanent magnets are non-renewable and expensive. In order to save rare metal resources, reduce the environmental burden, and improve the performance and efficiency of the motor, it is necessary to adopt rare earth permanent magnets.

[0003] The specification of a synchronous reluctance motor and its rotor structure in the prior art (publication number CN105703589A) mentions that "the stator includes a stator core and windings, the rotor includes a rotor core, the rotor core is formed by stacking rotor laminations, the rotor laminations include several symmetrical magnetic poles, the magnetic poles are arranged alternately with N poles and S poles along the circumference of the rotor, the magnetic poles include multiple grids, and the grid layer includes multiple grids." However, the winding structure in the prior art is stuck in a groove opened on the inner wall of the rotor, which may slip off and is prone to wear, and is not safe, stable and durable. Utility Model Content

[0004] To overcome the shortcomings of existing technologies, a modular winding structure for a permanent magnet assisted synchronous reluctance motor is provided. This solves the problems of existing winding structures being stuck in grooves on the inner wall of the rotor, which may slip out, are prone to wear, and are not safe, stable, or durable.

[0005] To achieve the above objectives, a modular winding structure for a permanent magnet assisted synchronous reluctance motor is provided, comprising a mounting plate with multiple sets of unit winding modules on its upper surface, and side pressure plates on both the left and right sides of each unit winding module. An outer baffle is fixed to the outer side of each side pressure plate, and an inner baffle is fixed to the inner side of each side pressure plate. A slot is provided between the outer baffle and the inner baffle on one side of each unit winding module, and multiple sets of spacers are provided on the upper surface of the mounting plate, with each set of spacers located in a corresponding set of slots.

[0006] Furthermore, the mounting plate adopts an arc-shaped plate structure, and the upper surface of the mounting plate is provided with multiple sets of twelve unit winding modules and twelve sets of spacers.

[0007] Furthermore, multiple sets of external connecting plates are fixed to the outer side of the mounting plate, and an outer arc plate is fixed to the outer end of the external connecting plate, and the outer arc plate is made of silicone rubber.

[0008] Furthermore, the inner side of the mounting plate is provided with multiple sets of inner connecting plates, and the inner end of the inner connecting plate is fixed with an inner arc plate, which is made of silicone rubber.

[0009] Furthermore, the upper surface of the mounting plate is provided with multiple sets of limiting rods, and the limiting rods adopt a cylindrical structure, and the limiting rods are exactly close to the outer side of the unit winding module.

[0010] Furthermore, a left baffle is provided on the left side of the partition, and a right baffle is provided on the right side of the partition, and a through hole is provided in the middle of the partition.

[0011] The beneficial effects of this utility model are as follows:

[0012] 1. The unit winding module set on the upper surface of the mounting plate of this utility model adopts a trapezoidal winding structure, and is set with the outer width and inner narrowness, making its coil winding more solid and the setting safer and more reliable.

[0013] 2. The outer connecting plate and outer arc plate in this utility model are designed to safely isolate the outer structure and reduce wear between the modular winding and the outer structure. Similarly, the inner connecting plate and inner arc plate are designed to isolate the inner structure and reduce wear between the modular winding and the inner structure, thus better protecting the modular winding and making it more durable.

[0014] 3. In this utility model, the limiting rod is set at the upper end of the mounting plate to tightly limit the outer side of each unit winding module, so that the upper coil is not easy to loosen and is more stable and reliable. Attached Figure Description

[0015] Figure 1 This is a front view schematic diagram of an embodiment of the present utility model;

[0016] Figure 2 This is a schematic diagram of the mounting plate structure according to an embodiment of the present utility model;

[0017] Figure 3 This is a schematic diagram of the unit winding module according to an embodiment of the present utility model;

[0018] Figure 4 This is a schematic diagram of the partition according to an embodiment of the present utility model.

[0019] In the diagram: 1. Mounting plate; 10. Outer connecting plate; 11. Outer arc plate; 12. Spacer; 13. Limiting rod; 14. Inner connecting plate; 15. Inner arc plate; 16. Left baffle; 17. Right baffle; 18. Through hole; 2. Unit winding module; 20. Outer baffle; 21. Side pressure plate; 22. Inner baffle; 23. Slot. Detailed Implementation

[0020] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. The specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model. Specific details such as particular system structures and technologies are provided to facilitate a more thorough understanding of the embodiments of this utility model. The described embodiments are some, but not all, of the embodiments disclosed herein. However, those skilled in the art should understand that the present utility model can also be implemented in other embodiments without these specific details. All other embodiments obtained by those skilled in the art based on the embodiments of this disclosure without inventive effort are within the scope of protection of this disclosure.

[0021] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0022] Figure 1 This is a front view schematic diagram of an embodiment of the present utility model. Figure 2 This is a schematic diagram of the mounting plate structure according to an embodiment of the present utility model. Figure 3 This is a schematic diagram of the unit winding module according to an embodiment of the present utility model. Figure 4 This is a schematic diagram of the partition according to an embodiment of the present utility model.

[0023] Reference Figures 1 to 4 As shown, this utility model provides a modular winding structure for a permanent magnet assisted synchronous reluctance motor, including a mounting plate 1 with multiple sets of unit winding modules 2 on its upper surface, and side pressure plates 21 on both the left and right sides of the unit winding modules 2. An outer baffle 20 is fixed to the outer side of each side pressure plate 21, and an inner baffle 22 is fixed to the inner side of each side pressure plate 21. A slot 23 is provided between the outer baffle 20 and the inner baffle 22 on one side of the unit winding module 2, and multiple sets of spacers 12 are provided on the upper surface of the mounting plate 1, with each set of spacers 12 located in a corresponding set of slots 23.

[0024] In this embodiment, the mounting plate 1 adopts an arc-shaped plate structure, and the upper end surface of the mounting plate 1 is provided with a plurality of twelve sets of unit winding modules 2 and twelve sets of spacers 12; a left baffle 16 is provided on the left side of the spacer 12, and a right baffle 17 is provided on the right side of the spacer 12, and a through hole 18 is provided in the middle of the spacer 12.

[0025] As a preferred embodiment, the unit winding module 2 set on the upper surface of the mounting plate 1 of this utility model adopts a trapezoidal winding structure, and is set with the outer width and inner narrowness, making its coil winding more solid and the setting safer and more reliable.

[0026] In this embodiment, multiple sets of external connecting plates 10 are fixed on the outer side of the mounting plate 1, and an outer arc plate 11 is fixed at the outer end of the external connecting plate 10, and the outer arc plate 11 is made of silicone rubber; multiple sets of internal connecting plates 14 are provided on the inner side of the mounting plate 1, and an inner arc plate 15 is fixed at the inner end of the internal connecting plate 14, and the inner arc plate 15 is made of silicone rubber.

[0027] As a preferred embodiment, the outer connecting plate 10 and the outer arc plate 11 in this utility model are designed to safely isolate the outer structure and reduce wear between the modular winding and the outer structure. Similarly, the inner connecting plate 14 and the inner arc plate 15 are designed to isolate the inner structure and reduce wear between the modular winding and the inner structure, thereby better protecting the modular winding and making it more durable.

[0028] In this embodiment, the upper surface of the mounting plate 1 is provided with multiple sets of limiting rods 13, and the limiting rods 13 adopt a cylindrical structure, and the limiting rods 13 are exactly close to the outer side of the unit winding module 2.

[0029] As a preferred embodiment, the limiting rod 13 is provided at the upper end of the mounting plate 1 in this utility model to tightly limit the outer side of each unit winding module 2, so that the upper coil is not easy to loosen and is more stable and reliable.

[0030] This invention effectively solves the problems of existing winding structures being stuck in grooves on the inner wall of the rotor, which may slip off, are prone to wear, and are not safe, stable, or durable. The unit winding structure module in this invention is not only modularly assembled on the arc-shaped mounting plate, but also more solidly, stably, and firmly installed, less prone to loosening, and avoids wear, making it safer, more reliable, and more durable.

[0031] The above embodiments are used to explain and illustrate the present utility model, and not to limit the utility model. Any modifications and changes made to the present utility model within the spirit and scope of the claims should be included within the protection scope of the present utility model.

Claims

1. A modular winding structure for a permanent magnet assisted synchronous reluctance motor, characterized in that: The upper surface of the mounting plate (1) is provided with multiple sets of unit winding modules (2), and side pressure plates (21) are provided on both the left and right sides of the unit winding modules (2). An outer baffle (20) is fixed on the outer side of each side pressure plate (21), and an inner baffle (22) is fixed on the inner side of each side pressure plate (21). A slot (23) is provided between the outer baffle (20) and the inner baffle (22) on one side of the unit winding module (2). The upper surface of the mounting plate (1) is provided with multiple sets of spacers (12), and each set of spacers (12) is located in a corresponding set of slots (23).

2. The modular winding structure of a permanent magnet assisted synchronous reluctance motor according to claim 1, characterized in that, The mounting plate (1) adopts an arc-shaped plate structure, and the upper surface of the mounting plate (1) is provided with a number of twelve sets of unit winding modules (2) and twelve sets of spacers (12).

3. The modular winding structure of a permanent magnet assisted synchronous reluctance motor according to claim 1, characterized in that, The mounting plate (1) has multiple sets of external connecting plates (10) fixed on its outer side, and the outer end of the external connecting plate (10) is fixed with an outer arc plate (11), and the outer arc plate (11) is made of silicone rubber.

4. The modular winding structure of a permanent magnet assisted synchronous reluctance motor according to claim 1, characterized in that, The inner side of the mounting plate (1) is provided with multiple sets of inner connecting plates (14), and the inner end of the inner connecting plate (14) is fixed with an inner arc plate (15), and the inner arc plate (15) is made of silicone rubber.

5. The modular winding structure of a permanent magnet assisted synchronous reluctance motor according to claim 1, characterized in that, The upper surface of the mounting plate (1) is provided with multiple sets of limiting rods (13), and the limiting rods (13) adopt a cylindrical structure, and the limiting rods (13) are close to the outer side of the unit winding module (2).

6. The modular winding structure of a permanent magnet assisted synchronous reluctance motor according to claim 1, characterized in that, The partition (12) has a left baffle (16) on the left side and a right baffle (17) on the right side, and a through hole (18) in the middle of the partition (12).

Citation Information

Patent Citations

  • Synchronous reluctance motor and rotor structure thereof

    CN105703589A