Permanent magnet induction composite motor

Abstract

The invention relates to the technical field of motors, in particular to a permanent magnet induction composite motor, a rotor is composed of a permanent magnet rotor, a driving disc, a rotor iron core with a winding and a shaft assembly, the permanent magnet rotor is composed of a rotor iron core for permanent magnets, a magnetism isolating ring, a permanent magnet rotor end seat and a permanent magnet, and a stator is composed of a stator iron core with a winding and a machine base. The permanent magnet rotor is located in the stator core shaft hole; the clutch is arranged between the front end cover and the permanent magnet rotor front end base and fixedly connected with the front end cover, the synchronizing device assembly is composed of a synchronizing sleeve and a synchronous control mechanism, the synchronizing sleeve is arranged on the edge of the driving disc, and the synchronous control mechanism is installed on the side, back to the machine base, of the rear end cover. A driving rod of the synchronous control mechanism penetrates through a driving rod bearing hole of the rear end cover to be connected with the synchronous sleeve. A motor product manufactured by adopting the technical scheme meets the requirements of the market on motor products integrating the advantages of a permanent magnet synchronous motor and the advantages of an alternating current asynchronous motor, and a motor with wide adaptability is provided for customers to cope with various use environments and working conditions.

Description

Technical Field

[0001] The present invention relates to the technical field of motors, and in particular to a permanent magnet induction composite motor. Background Art

[0002] Safety is for production, and production must be safe. With the progress of society and the government's emphasis on safe production, the demand for motors continues to grow. Therefore, the motor industry has developed rapidly and the quality has been steadily improving. In order to win the market, companies at the forefront of motor production attach great importance to product development and parts technology progress. At present, there are two major types of mainstream motors, one is permanent magnet synchronous motors and the other is AC asynchronous motors. Both types of motors have their own advantages and disadvantages. The torque density, power density, and efficiency of permanent magnet synchronous motors are better than those of AC asynchronous motors, and they are smaller and lighter than AC asynchronous motors. Compared with permanent magnet synchronous motors, AC asynchronous motors have simple structures, high reliability, low costs, and significant acceleration and high-speed performance. AC asynchronous motors are easy to control weak magnetic fields, and permanent magnet synchronous motors are easy to demagnetize due to poor temperature differences. At present, the market and motor manufacturers do not have technologies and products that can reflect the advantages of these two types of motors. In addition, motors with wide adaptability are also required for different use environments and working conditions. Summary of the invention

[0003] In view of the deficiencies in the existing technologies and products, the purpose of the present invention is to provide a permanent magnet induction composite motor to overcome the problems raised in the background technology, so as to develop and manufacture motors of various powers that meet the requirements of the background technology.

[0004] In order to solve the above 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, a bearing, an end cover, a bearing outer cover, a fan, and a wind shield; the rotor is composed of a permanent magnet rotor, an active disk, a winding 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 a permanent magnet; a plurality of axial holes are evenly distributed on the annular end surface of the permanent magnet rotor core, the number of the permanent magnets is the same as the number of the 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, and the magnetic isolation ring is installed in the axial hole of the permanent magnet rotor core, And it is fastened together with the permanent magnet rotor core, the permanent magnet is fixedly connected in the axial hole of the permanent magnet rotor core, and the two ends of the permanent magnet rotor core after the magnetic isolation ring and the permanent magnet are installed are respectively fixedly connected to the front end seat of the permanent magnet rotor and the rear end seat of the permanent magnet rotor; the winding rotor core is composed of a rotor winding and a rotor core, the rotor winding is installed on the rotor core, the rotor core is installed on the shaft assembly, and the winding rotor core is in the axial hole of the magnetic isolation ring; the front end seat of the permanent magnet rotor and the rear end seat of the permanent magnet rotor are connected to the shaft assembly through the bearing, the active disk is sleeved on the shaft assembly and is in the permanent magnet rotor The rear end seat of the stator faces away from the side of the permanent magnet; the stator is composed of a stator core with windings and a machine base, the stator core with windings is composed of stator windings and stator cores, the stator windings are installed on the stator core, the stator core is installed in the machine base, the permanent magnet rotor is in the axial hole of the stator core, the end covers are provided with two, one is a front end cover, and the other is a rear end cover, the front end of the machine base is fixedly connected to the front end cover, the rear end of the machine base is fixedly connected to the rear end cover, the bearings are provided in the axial holes of the front end cover and the rear end cover, the bearings in the two end covers are respectively sleeved on the shaft necks at both ends of the shaft assembly, and each end cover faces away from The bearing outer cover is installed on one side of the machine base; the clutch is arranged 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 active disk, and the synchronization operating mechanism is installed on the side of the rear end cover facing away from the machine base. The driving rod of the synchronization operating mechanism passes through the driving rod bearing hole of the rear end cover and is connected with the synchronization sleeve. The fan is installed on the shaft assembly and is located on the side of the rear end cover facing away from the machine base. The wind cover is installed on the machine base and covers the fan. The dual-rotor controller is installed on the outside of the wind cover.

[0005] In the permanent magnet induction composite motor described in 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 described in the present invention, there are four bearings, namely 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. A seal is installed in the outer cover of the bearing.

[0007] In the permanent magnet induction composite motor described in the present invention, an outer gear ring is provided on the side of the permanent magnet rotor rear end seat facing the rear end cover, and an inner gear ring is provided on the side of the active disk facing the permanent magnet rotor rear end seat, and both the inner gear ring and the outer gear ring are coaxial with the shaft assembly.

[0008] In the permanent magnet induction composite motor described in the present invention, the connection relationship between the active disk and the shaft assembly is axial relative sliding and synchronous rotational motion; the synchronization device assembly drives the active disk to slide axially on the shaft assembly, and the synchronization device assembly drives the inner gear ring to engage and disengage with the outer gear ring. A limit ring is provided on the shaft assembly to limit the maximum distance between the inner gear ring and the outer gear ring.

[0009] Compared with the prior art, the beneficial effects of the present invention are as follows: the motor products manufactured by adopting 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, but also provide customers with motors with wide adaptability to cope with various usage environments and working conditions, and also meet the requirements of GB / T755 for motor power levels. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] The present invention will be further described below in conjunction with the accompanying drawings and embodiments, wherein: Figure 1 It is a schematic diagram of the structure of the permanent magnet induction composite motor of the present invention.

[0011] The corresponding names of the reference numerals in the accompanying drawings are as follows: 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-winding rotor core, 8-driving disk, 9-bearing, 10-front end cover, 11-machine base, 12-winding stator core, 13-rear end cover, 20-seal, 21-bearing outer cover, 22-fan, 23-wind cover, 30-clutch, 31-synchronous sleeve, 32-drive rod, 33-dual rotor controller, 34-synchronous operating mechanism, 35-front end, 36-rear end. DETAILED DESCRIPTION

[0012] In order to further explain the technical means and effects adopted by the present invention to achieve the above-mentioned purpose, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings. It should be understood that the specific embodiments described in the present invention are only used to explain the present invention and are not used to limit the present invention.

[0013] like Figure 1 The permanent magnet induction composite motor of the embodiment of the present invention shown in the figure 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 wind cover 23; the rotor is composed of a permanent magnet rotor, an active disk 8, a winding rotor core 7, and a shaft assembly 1. The permanent magnet rotor is composed of a permanent magnet rotor core 5, a magnetic isolation ring 4, a permanent magnet rotor end seat, and a permanent magnet 6. A plurality of axial holes are evenly distributed on the annular end surface 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 is composed of a permanent magnet rotor front end seat 2 and a permanent magnet rotor rear end seat 3. The magnetic isolation ring is It is tubular and embedded in the axial hole of the permanent magnet rotor core. 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 isolation ring 4 and the permanent magnet 6 are fixedly connected to the permanent magnet rotor front end seat 2 and the permanent magnet rotor rear end seat 3 respectively; the winding rotor core 7 is composed of the rotor winding and the rotor core. The rotor winding is installed on the rotor core, and the rotor core is installed on the shaft assembly 1. The winding rotor core 7 is in the axial hole of the magnetic isolation ring 4; the permanent magnet rotor front end seat 2 and the permanent magnet rotor rear end seat 3 are connected to the shaft assembly 1 through bearings 9, and the active disk 8 is sleeved on the shaft assembly 1 and is located at the permanent magnet rotor rear end seat 3 with its back facing the permanent magnet 6. One side; the stator is composed of a winding stator core 12 and a base 11. The winding stator core 12 is composed of a stator winding and a stator core. The stator winding is installed on the stator core, and the stator core is installed in the base 11. The permanent magnet rotor is in the axial hole of the stator core. There are two end covers, one is a front cover 10, and the other is a rear cover 13. The front end 35 of the base 11 is fixedly connected to the front end cover 10, and the rear end 36 of the base 11 is fixedly connected to the rear end cover 13. Bearings 9 are provided in the axial holes of the front end cover 10 and the rear end cover 13. The bearings 9 in the two end covers are respectively sleeved on the shaft necks at both ends of the shaft assembly 1, and each end cover is equipped with a bearing on the side facing away from the base 11. Outer cover 21; the clutch 30 is arranged between the front end cover 10 and the front end seat 2 of the permanent magnet rotor, the clutch 30 is fixedly connected to the front end cover 10, the synchronization device assembly is composed of a synchronization sleeve 31 and a synchronization operating mechanism 34, a synchronization sleeve 31 is provided on the edge of the active disk 8, the synchronization operating mechanism 34 is installed on the side of the rear end cover 13 facing away from the base 11, the driving rod 32 of the synchronization operating mechanism 34 passes through the driving rod bearing hole of the rear end cover 13 and is connected to the synchronization sleeve 31, the fan 22 is installed on the shaft assembly 1 and is on the side of the rear end cover 13 facing away from the base 11, the wind cover 23 is installed on the base 11 and covers the fan 22, and the dual rotor controller 33 is installed on the outside of the wind cover 23.

[0014] 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 turned on, the clutch 30 fixes the permanent magnet rotor to the stator; the rotary switch controls the synchronization device assembly. When the rotary switch is turned on, the synchronization device assembly fixes the active disk 8 to the permanent magnet rotor.

[0015] like Figure 1 As shown, in this embodiment, there are four bearings 9, namely two ball bearings and two roller bearings. The ball bearings are in contact with the front end cover 10, the roller bearings are in contact with the front end seat 2 of the permanent magnet rotor, the ball bearings are in contact with the rear end seat 3 of the permanent magnet rotor, and the roller bearings are in contact with the rear end cover 13. A seal 20 is installed in the bearing outer cover 21.

[0016] like Figure 1 As shown, in this embodiment, an outer gear ring is provided on the side of the permanent magnet rotor rear end seat 3 facing the rear end cover 13, and an inner gear ring is provided on the side of the active disk 8 facing the permanent magnet rotor rear end seat 3, and both the inner gear ring and the outer gear ring are coaxial with the shaft assembly 1.

[0017] like Figure 1 As shown, in this embodiment, the connection relationship between the active disk 8 and the shaft assembly 1 is axial relative sliding and synchronous rotational motion; the synchronization device assembly drives the active disk 8 to slide axially on the shaft assembly 1, and the synchronization device assembly drives the inner gear ring to engage and disengage with the outer gear ring. A limiting ring is provided on the shaft assembly 1 to limit the maximum distance between the inner gear ring and the outer gear ring.

[0018] The above-mentioned Figure 1 The embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent or similar changes made based on the principles, shapes, and structures of the present invention should be included in the protection scope of the present invention.

Claims

1. A permanent magnet induction composite motor, characterized in that: It includes a dual-rotor controller, a clutch, a synchronization device assembly, a rotor, a stator, a bearing, an end cover, a bearing outer cover, a fan, and a wind shield; the rotor is composed of a permanent magnet rotor, an active disk, a winding 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 a permanent magnet; a plurality of axial holes are evenly distributed on the annular end surface of the permanent magnet rotor core, the number of the permanent magnets is the same as the number of the 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 axial hole of the permanent magnet rotor core and is fastened to the permanent magnet rotor core; the permanent magnet is fixed The two ends of the permanent magnet rotor core connected to the axial hole of the permanent magnet rotor core, after the magnetic isolation ring and the permanent magnet are installed, are respectively fixedly connected to the front end seat of the permanent magnet rotor and the rear end seat of the permanent magnet rotor; the winding rotor core is composed of a rotor winding and a rotor core, the rotor winding is installed on the rotor core, the rotor core is installed on the shaft assembly, and the winding rotor core is in the axial hole of the magnetic isolation ring; the front end seat of the permanent magnet rotor and the rear end seat of the permanent magnet rotor are connected to the shaft assembly through the bearing, the active disk is sleeved on the shaft assembly and is located on the side of the rear end seat of the permanent magnet rotor facing away from the permanent magnet; The stator is composed of a stator core with windings and a machine base. The stator core with windings is composed of a stator winding and a stator core. The stator winding is installed on the stator core, and the stator core is installed in the machine base. The permanent magnet rotor is in the axial 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 machine base is fixedly connected to the front end cover, and the rear end of the machine base is fixedly connected to the rear end cover. The axial holes of the front end cover and the rear end cover are both provided with the bearings. The bearings in the two end covers are respectively sleeved on the shaft necks at both ends of the shaft assembly. Each end cover is provided with a side facing away from the machine base. There is the bearing outer cover; the clutch is arranged between the front end cover and the front end seat of the permanent magnet rotor, the clutch is fixedly connected to the front end cover, the synchronization device assembly is composed of a synchronization sleeve and a synchronization operating mechanism, the synchronization sleeve is arranged on the edge of the active disk, the synchronization operating mechanism is installed on the side of the rear end cover facing away from the machine base, the driving rod of the synchronization operating mechanism passes through the driving rod bearing hole of the rear end cover and is connected with the synchronization sleeve, the fan is installed on the shaft assembly and is on the side of the rear end cover facing away from the machine base, the wind cover is installed on the machine base and covers the fan, and the dual rotor controller is installed on the outside of the wind cover.

2. A permanent magnet induction composite motor according to claim 1, characterized in that: The dual-rotor controller is provided with a fixed switch and a rotary switch, wherein the fixed switch controls the clutch, and the rotary switch controls the synchronization device assembly.

3. The permanent magnet induction composite motor according to claim 1, characterized in that: There are four bearings, namely 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. A seal is installed in the outer cover of the bearing.

4. The permanent magnet induction composite motor according to claim 1, characterized in that: An outer gear ring is provided on the side of the permanent magnet rotor rear end seat facing the rear end cover, and an inner gear ring is provided on the side of the active disk facing the permanent magnet rotor rear end seat. Both the inner gear ring and the outer gear ring are coaxial with the shaft assembly.

5. The permanent magnet induction composite motor according to claim 1, characterized in that: The connection relationship between the active disk and the shaft assembly is axial relative sliding and synchronous rotational motion; the synchronization device assembly drives the active disk to slide axially on the shaft assembly, and the synchronization device assembly drives the inner gear ring to engage and disengage with the outer gear ring. A limit ring is provided on the shaft assembly to limit the maximum distance between the inner gear ring and the outer gear ring.

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