Radial magnetic field coreless direct drive motor
By splitting the three-phase winding stator into independent single-phase winding stator and configuring a magnetic steel rotor, increasing the number of motor poles, the problem of small torque of the existing motor is solved, and high-precision, large torque output and small diameter design are realized. It is suitable for Industrial application.
CN119109276APending Publication Date: 2024-12-10QINGSHENG AUTOMATION TECH SHANGHAI
View PDF 0 Cites 0 Cited by
Patent Information
- Application Number
- CN202310669556.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-06-07
- Publication Date
- 2024-12-10
AI Technical Summary
Technical Problem
The three-phase winding stator structure of existing radial magnetic field motors results in small torque and cannot meet the high-performance needs of industrial technology.
Method used
Design a radial magnetic field coreless direct drive motor, by splitting the traditional three-phase winding stator into three independent single-phase winding stators, and providing corresponding magnetic steel rotors in each single-phase winding stator. A complete stator unit is formed to increase the number of poles of the motor to increase the torque output.
Benefits of technology
It realizes large torque output, high transmission accuracy, and significantly reduces the motor diameter, which is suitable for applications with small radial installation space.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN119109276A_ABST
Abstract
The invention provides a radial magnetic field coreless direct drive motor, which comprises a motor shell internally provided with a mounting cavity; the motor shaft is rotationally arranged on the motor shell and used for outputting kinetic energy; the stator assembly comprises a first single-phase winding stator, a second single-phase winding stator and a third single-phase winding stator, and the single-phase winding stators are sequentially installed in the installation cavity of the motor shell in the axial direction of the motor shell; the rotor assembly comprises a first magnetic steel rotor, a second magnetic steel rotor and a third magnetic steel rotor, and the magnetic steel rotors are sequentially installed on the motor shaft in the axial direction of the motor shaft; the first magnetic steel rotor is in clearance fit with the first single-phase corresponding winding stator, the second magnetic steel rotor is in clearance fit with the second single-phase winding stator, and the third magnetic steel rotor is in clearance fit with the third single-phase winding stator. According to the motor, the stators and the rotors are independently assembled in pairs and mechanically connected in series, large-torque output can be achieved, and the problem that in the prior art, the output torque of a motor is small is solved.
Need to check novelty before this filing date? Find Prior Art