Disc type magnetic suspension motor
A magnetic levitation and disk-type technology, applied in the direction of magnetic circuits, electromechanical devices, electrical components, etc., can solve problems such as stability needs to be improved, to achieve improved suspension stability, radial offset and axial offset suppression, and enhanced suspension force effect
Pending Publication Date: 2022-05-13
亘泰医学科技(深圳)有限公司
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Problems solved by technology
[0003] However, the rotor levitation stability of existing magnetic levitation motors still needs to be improved, so it is urgent to propose a magnetic levitation motor with better levitation stability performance
Method used
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Embodiment Construction
[0043] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.
[0044] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.
[0045] In addition, if there are descriptions involving "first", "second" and ...
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The invention discloses a disc type magnetic suspension motor. A rotor assembly comprises a rotor shell, a first permanent magnet ring, a rotor iron core ring and a second permanent magnet ring; the stator assembly comprises a stator shell, a suspension module, a driving rotation module and a displacement sensor. The suspension module comprises a plurality of first iron cores, a plurality of suspension coils, a first magnetic conductive disc and a stator permanent magnet ring. The driving rotation module comprises a plurality of second iron cores, a plurality of driving coils and a second magnetic conductive disc; the stator permanent magnet ring is arranged corresponding to the first permanent magnet ring, and the first permanent magnet ring and the stator permanent magnet ring form a reinforced magnetic circuit system; the rotor iron core ring, the second permanent magnet ring, the first iron core, the suspension coil and the first magnetic conductive disc form a suspension magnetic circuit system; and the rotor iron core ring, the second permanent magnet ring, the second iron core, the driving coil and the second magnetic conductive disc form a driving rotating magnetic circuit system. According to the technical scheme, the suspension stability of the rotor assembly is greatly improved.
Description
technical field [0001] The invention relates to the technical field of motors, in particular to a disc-type magnetic levitation motor. Background technique [0002] The traditional motor is composed of a stator and a rotor. The stator and the rotor are connected by mechanical bearings or have mechanical contact. Therefore, there is mechanical friction during the movement of the rotor. Mechanical friction not only increases the friction resistance of the mover, but also wears the moving parts and generates mechanical vibration. And noise, and it will cause the components to heat up, so that the performance of the lubricant will deteriorate. Seriously, the air gap of the motor will be uneven, the winding will heat up, and the temperature rise will increase, thereby reducing the efficiency of the motor and shortening the service life of the motor. The magnetic levitation motor uses the principle of "same sex repels and opposite sex attracts" between the stator and the rotor exc...
Claims
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IPC IPC(8): H02N15/00H02K11/21H02K1/17H02K1/2733H02K3/28H02K3/02
CPCH02N15/00H02K11/21H02K1/17H02K1/2733H02K3/28H02K3/02H02K2213/03
Inventor 不公告发明人
Owner 亘泰医学科技(深圳)有限公司