A permanent magnet induction composite motor

Abstract

This invention relates to the field of motor technology, specifically to a permanent magnet induction composite motor. The rotor comprises a permanent magnet rotor, a drive disc, a wound rotor core, and a shaft assembly. The permanent magnet rotor consists of a permanent magnet rotor core, a magnetic isolation ring, a permanent magnet rotor end seat, and permanent magnets. The stator comprises a wound stator core and a frame, with the permanent magnet rotor positioned within the stator core shaft hole. A clutch is located between the front end cover and the front end seat of the permanent magnet rotor and is fixedly connected to the front end cover. The synchronization device assembly comprises a synchronization sleeve and a synchronization operating mechanism. The synchronization sleeve is located on the edge of the drive disc, and the synchronization operating mechanism is installed on the side of the rear end cover facing away from the frame. The drive rod of the synchronization operating mechanism passes through the drive rod bearing hole of the rear end cover and connects to the synchronization sleeve. Motor products manufactured using this technical solution meet market demand for motor products that integrate the advantages of permanent magnet synchronous motors and AC asynchronous motors, providing customers with a widely adaptable motor for various operating environments and conditions.

Description

Technical Field

[0001] This invention relates to the field of motor technology, and specifically to a permanent magnet induction composite motor. Background Technology

[0002] Safety is paramount for production, and production must be safe. With societal progress and increased government emphasis on safety, the demand for motors has continued to grow, leading to rapid industry development and steady quality improvement. To win in the market, leading motor manufacturers prioritize product development and component technology advancements. Currently, there are two main types of motors: permanent magnet synchronous motors and AC asynchronous motors. Each type has its advantages and disadvantages. Permanent magnet synchronous motors offer superior torque density, power density, and efficiency compared to AC asynchronous motors, and are also smaller and lighter. AC asynchronous motors, on the other hand, have a simpler structure, higher reliability, lower cost, and significantly better acceleration and high-speed performance. However, AC asynchronous motors are easier to control in terms of field weakening, while permanent magnet synchronous motors are more prone to demagnetization due to temperature variations. Currently, neither the market nor motor manufacturers have technologies and products that fully leverage the advantages of either type of motor. Furthermore, motors with wide adaptability are needed to meet diverse operating environments and conditions. Summary of the Invention

[0003] In view of the shortcomings of existing technologies and products, the purpose of this invention is to provide a permanent magnet induction composite motor to overcome the problems mentioned in the background art, thereby developing and manufacturing motors with various power ratings that meet the requirements of the background art.

[0004] To solve the above-mentioned technical problems, the technical solution of the present invention is as follows: A permanent magnet induction composite motor includes a dual-rotor controller, a clutch, a synchronization device assembly, a rotor, a stator, bearings, end covers, bearing outer covers, a fan, and a fan shroud; the rotor is composed of a permanent magnet rotor, a drive disc, a wound rotor core, and a shaft assembly; the permanent magnet rotor is composed of a permanent magnet rotor core, a magnetic isolation ring, a permanent magnet rotor end seat, and permanent magnets; multiple axial holes are evenly distributed on the annular end face of the permanent magnet rotor core; the number of permanent magnets is the same as the number of axial holes; the permanent magnet rotor end seat is composed of a permanent magnet rotor front end seat and a permanent magnet rotor rear end seat; the magnetic isolation ring is installed in the shaft hole of the permanent magnet rotor core. The permanent magnet rotor core is fastened together with the permanent magnet rotor core. The permanent magnet is fixedly connected to the axial hole of the permanent magnet rotor core. The two ends of the permanent magnet rotor core, after the magnetic isolation ring and permanent magnet are installed, are fixedly connected to the front end seat and the rear end seat of the permanent magnet rotor, respectively. The wound rotor core consists of a rotor winding and a rotor core. The rotor winding is installed on the rotor core, and the rotor core is installed on the shaft assembly. The wound rotor core is located in the axial hole of the magnetic isolation ring. The front end seat and the rear end seat of the permanent magnet rotor are connected to the shaft assembly through the bearing. The drive disc is sleeved on the shaft assembly and located on the permanent magnet rotor core. The rear end of the rotor faces away from the permanent magnet. The stator consists of a wound stator core and a frame. The wound stator core is composed of stator windings and a stator core. The stator windings are mounted on the stator core, and the stator core is installed inside the frame. The permanent magnet rotor is located inside the shaft hole of the stator core. There are two end covers, one front end cover and the other rear end cover. The front end of the frame is fixedly connected to the front end cover, and the rear end of the frame is fixedly connected to the rear end cover. Bearings are provided in the shaft holes of both the front end cover and the rear end cover. The bearings in the two end covers are respectively fitted onto the journals at both ends of the shaft assembly. Each end cover faces away from the permanent magnet. The bearing cover is mounted on one side of the base; the clutch is located between the front cover and the front seat of the permanent magnet rotor, and the clutch is fixedly connected to the front cover; the synchronization device assembly consists of a synchronization sleeve and a synchronization control mechanism; the synchronization sleeve is provided on the edge of the drive disc; the synchronization control mechanism is installed on the side of the rear cover facing away from the base; the drive rod of the synchronization control mechanism passes through the drive rod bearing hole of the rear cover and is connected to the synchronization sleeve; the fan is mounted on the shaft assembly and is located on the side of the rear cover facing away from the base; the fan cover is mounted on the base and covers the fan; the dual rotor controller is mounted on the outside of the fan cover.

[0005] In the permanent magnet induction composite motor of the present invention, the dual rotor controller is provided with a fixed switch and a rotary switch, the fixed switch controls the clutch, and the rotary switch controls the synchronization device assembly.

[0006] In the permanent magnet induction composite motor of the present invention, there are four bearings: two ball bearings and two roller bearings. The ball bearings are in contact with the front end cover, the roller bearings are in contact with the front end seat of the permanent magnet rotor, the ball bearings are in contact with the rear end seat of the permanent magnet rotor, and the roller bearings are in contact with the rear end cover. The bearing outer cover is equipped with a sealing element.

[0007] In the permanent magnet induction composite motor of the present invention, an external gear ring is provided on the side of the permanent magnet rotor rear end seat facing the rear end cover, and an internal gear ring is provided on the side of the drive disc facing the permanent magnet rotor rear end seat. Both the internal gear ring and the external gear ring are coaxial with the shaft assembly.

[0008] In the permanent magnet induction composite motor of the present invention, the connection relationship between the drive disk and the shaft assembly is axial relative sliding and synchronous rotational motion; the synchronization device assembly drives the drive disk to slide axially on the shaft assembly, the synchronization device assembly drives the internal gear ring to mesh and separate from the external gear ring, and a limiting ring is provided on the shaft assembly to limit the maximum distance between the internal gear ring and the external gear ring.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: the motor products manufactured using this technical solution not only meet the market demand for motor products that integrate the advantages of permanent magnet synchronous motors and AC asynchronous motors, providing customers with a wide range of adaptability to various operating environments and conditions, but also meet the requirements of GB / T755 for motor power ratings. Attached Figure Description

[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments. The accompanying drawings show:

[0011] Figure 1 This is a schematic diagram of the permanent magnet induction composite motor structure of the present invention.

[0012] The names corresponding to the numbers in each of the attached figures are as follows:

[0013] Shaft assembly, 2-Permanent magnet rotor front end seat, 3-Permanent magnet rotor rear end seat, 4-Magnetic isolation ring, 5-Permanent magnet rotor core, 6-Permanent magnet, 7-Winded rotor core, 8-Drive disc, 9-Bearing, 10-Front end cover, 11-Frame, 12-Winded stator core, 13-Rear end cover, 20-Seal, 21-Bearing outer cover, 22-Fan, 23-Fan shroud, 30-Clutch, 31-Synchronizing sleeve, 32-Drive rod, 33-Dual rotor controller, 34-Synchronizing operating mechanism, 35-Front end, 36-Rear end. Detailed Implementation

[0014] To further illustrate the technical means and effects adopted by the present invention to achieve the above objectives, the specific embodiments, structures, features, and effects of the present invention will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described in this invention are merely illustrative and are not intended to limit the invention.

[0015] like Figure 1 The permanent magnet induction composite motor of the present invention shown in this embodiment includes a dual rotor controller 33, a clutch 30, a synchronization device assembly, a rotor, a stator, a bearing 9, an end cover, a bearing outer cover 21, a fan 22, and a fan shroud 23. The rotor consists of a permanent magnet rotor, a drive disc 8, a wound rotor core 7, and a shaft assembly 1. The permanent magnet rotor consists of a permanent magnet rotor core 5, a magnetic isolation ring 4, a permanent magnet rotor end seat, and permanent magnets 6. Multiple axial holes are evenly distributed on the annular end face of the permanent magnet rotor core 5. The number of permanent magnets 6 is the same as the number of axial holes on the permanent magnet rotor core 5. The permanent magnet rotor end seat consists of a permanent magnet rotor front end seat 2 and a permanent magnet rotor rear end seat 3. The magnetic isolation ring is... A tubular structure is embedded in the shaft hole of the permanent magnet rotor core 5. The permanent magnet 6 is fixedly connected to the axial hole of the permanent magnet rotor core 5. The two ends of the permanent magnet rotor core 5, equipped with the magnetic shielding ring 4 and the permanent magnet 6, are fixedly connected to the front end seat 2 and the rear end seat 3 of the permanent magnet rotor, respectively. The wound rotor core 7 consists of rotor windings and a rotor core. The rotor windings are mounted on the rotor core, and the rotor core is mounted on the shaft assembly 1. The wound rotor core 7 is located within the shaft hole of the magnetic shielding ring 4. The front end seat 2 and the rear end seat 3 of the permanent magnet rotor are connected to the shaft assembly 1 via bearings 9. The drive disc 8 is fitted onto the shaft assembly 1 and is located on the rear end seat 3 of the permanent magnet rotor, facing away from the permanent magnet 6. On one side, the stator consists of a wound stator core 12 and a frame 11. The wound stator core 12 is composed of stator windings and a stator core. The stator windings are mounted on the stator core, which is installed inside the frame 11. The permanent magnet rotor is located in the shaft hole of the stator core. There are two end covers: a front end cover 10 and a rear end cover 13. The front end 35 of the frame 11 is fixedly connected to the front end cover 10, and the rear end 36 of the frame 11 is fixedly connected to the rear end cover 13. Bearings 9 are installed in the shaft holes of both the front end cover 10 and the rear end cover 13. The bearings 9 in the two end covers are respectively fitted onto the journals at both ends of the shaft assembly 1. Each end cover has a bearing installed on the side facing away from the frame 11. Outer cover 21; Clutch 30 is located between front cover 10 and permanent magnet rotor front seat 2. Clutch 30 is fixedly connected to front cover 10. Synchronization device assembly consists of synchronization sleeve 31 and synchronization control mechanism 34. Synchronization sleeve 31 is provided on the edge of drive disc 8. Synchronization control mechanism 34 is installed on the side of rear cover 13 facing away from machine base 11. Drive rod 32 of synchronization control mechanism 34 passes through drive rod bearing hole of rear cover 13 and connects to synchronization sleeve 31. Fan 22 is installed on shaft assembly 1 and is located on the side of rear cover 13 facing away from machine base 11. Fan cover 23 is installed on machine base 11 and covers fan 22. Dual rotor controller 33 is installed on the outside of fan cover 23.

[0016] like Figure 1 As shown, in this embodiment, the dual rotor controller 33 is provided with a fixed switch and a rotary switch. The fixed switch controls the clutch 30. When the fixed switch is opened, the clutch 30 fixes the permanent magnet rotor to the stator. The rotary switch controls the synchronization device assembly. When the rotary switch is opened, the synchronization device assembly fixes the drive disc 8 to the permanent magnet rotor.

[0017] like Figure 1 As shown, in this embodiment, there are four bearings 9: two ball bearings and two roller bearings. The bearings that contact the front end cover 10 are ball bearings, the bearings that contact the front end seat 2 of the permanent magnet rotor are roller bearings, the bearings that contact the rear end seat 3 of the permanent magnet rotor are ball bearings, and the bearings that contact the rear end cover 13 are roller bearings. The bearing outer cover 21 is equipped with a seal 20.

[0018] like Figure 1 As shown, in this embodiment, the permanent magnet rotor rear end seat 3 is provided with an external gear ring on the side facing the rear end cover 13, and the drive disk 8 is provided with an internal gear ring on the side facing the permanent magnet rotor rear end seat 3. Both the internal gear ring and the external gear ring are coaxial with the shaft assembly 1.

[0019] like Figure 1 As shown, in this embodiment, the connection between the drive disc 8 and the shaft assembly 1 is axial relative sliding and synchronous rotational motion; the synchronizing device assembly drives the drive disc 8 to slide axially on the shaft assembly 1, and the synchronizing device assembly drives the internal gear ring to mesh and separate from the external gear ring. A limiting ring is provided on the shaft assembly 1 to limit the maximum distance between the internal gear ring and the external gear ring.

[0020] The above appendix Figure 1 The embodiments described are merely preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent or similar changes made based on the principles, shapes, and structures of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A permanent magnet induction composite motor, characterized in that: The system includes a dual-rotor controller, clutch, synchronization assembly, rotor, stator, bearings, end covers, bearing covers, fan, and fan shroud. The rotor consists of a permanent magnet rotor, a drive disc, a wound rotor core, and a shaft assembly. The permanent magnet rotor comprises a permanent magnet rotor core, a magnetic shielding ring, a permanent magnet rotor end seat, and permanent magnets. Multiple axial holes are evenly distributed on the annular end face of the permanent magnet rotor core. The number of permanent magnets is the same as the number of axial holes. The permanent magnet rotor end seat consists of a front end seat and a rear end seat. The magnetic shielding ring is installed in the axial hole of the permanent magnet rotor core and fastened to it. The permanent magnets are fixedly connected in the axial holes of the permanent magnet rotor core. The magnetic shielding ring and permanent magnets are then installed. The permanent magnet rotor core of the body has its two ends fixedly connected to the front end seat and the rear end seat of the permanent magnet rotor, respectively; the wound rotor core consists of rotor windings and a rotor core, the rotor windings are mounted on the rotor core, the rotor core is mounted on the shaft assembly, and the wound rotor core is located in the shaft hole of the magnetic isolation ring; the front end seat and the rear end seat of the permanent magnet rotor are connected to the shaft assembly through the bearing, and the drive disc is sleeved on the shaft assembly and located on the side of the rear end seat of the permanent magnet rotor facing away from the permanent magnet body; the stator consists of a wound stator core and a frame, the wound stator core consists of stator windings and a stator core, the stator windings are mounted on the stator core, and the... The stator core is installed inside the frame, and the permanent magnet rotor is located in the shaft hole of the stator core. Two end covers are provided: one is a front end cover, and the other is a rear end cover. The front end of the frame is fixedly connected to the front end cover, and the rear end of the frame is fixedly connected to the rear end cover. Bearings are provided in the shaft holes of both the front and rear end covers. The bearings in the two end covers are respectively fitted onto the journals at both ends of the shaft assembly. An outer cover for the bearing is installed on the side of each end cover facing away from the frame. The clutch is located between the front end cover and the front end seat of the permanent magnet rotor, and the clutch is fixedly connected to the front end cover. The synchronization device assembly consists of a synchronization sleeve and a synchronization operating mechanism. The synchronization sleeve is provided on the edge of the drive disc. The synchronous control mechanism is installed on the side of the rear end cover facing away from the base. The drive rod of the synchronous control mechanism passes through the drive rod bearing hole of the rear end cover and is connected to the synchronous sleeve. The fan is installed on the shaft assembly and is located on the side of the rear end cover facing away from the base. The fan cover is installed on the base and covers the fan. The dual rotor controller is installed on the outside of the fan cover. The dual rotor controller is provided with a fixed switch and a rotary switch. The fixed switch controls the clutch, and the rotary switch controls the synchronous device assembly. The side of the permanent magnet rotor rear end seat facing the rear end cover is provided with an external gear ring, and the side of the drive disc facing the permanent magnet rotor rear end seat is provided with an internal gear ring. Both the internal and external gear rings are coaxial with the shaft assembly.The connection between the drive disc and the shaft assembly is axial relative sliding and synchronous rotational motion; the synchronizing device assembly drives the drive disc to slide axially on the shaft assembly, and drives the internal gear ring to engage and disengage with the external gear ring; a limiting ring is provided on the shaft assembly to limit the maximum distance between the internal gear ring and the external gear ring.

2. The permanent magnet induction composite motor according to claim 1, characterized in that: There are four bearings: two ball bearings and two roller bearings. The ball bearings are in contact with the front end cover, the roller bearings are in contact with the front end seat of the permanent magnet rotor, the ball bearings are in contact with the rear end seat of the permanent magnet rotor, and the roller bearings are in contact with the rear end cover. The bearing covers are equipped with seals.

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