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Magnetic suspension bearing assembly, motor and compressor

A technology for magnetic suspension bearings and components, which is applied in the directions of bearings, shafts and bearings, electric components, etc., can solve the problems of large axial length of magnetic suspension bearings, and achieve the effects of compact structure, shortened axial length and good stability.

Pending Publication Date: 2021-04-06
GREE ELECTRIC APPLIANCES INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] The main purpose of the present invention is to provide a magnetic suspension bearing assembly, motor and compressor to solve the problem of large axial length of the magnetic suspension bearing in the prior art

Method used

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  • Magnetic suspension bearing assembly, motor and compressor
  • Magnetic suspension bearing assembly, motor and compressor
  • Magnetic suspension bearing assembly, motor and compressor

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Embodiment Construction

[0037] It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0038]It should be noted that the terminology used here is only for describing specific implementations, and is not intended to limit the exemplary implementations according to the present application. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural, and it should also be understood that when the terms "comprising" and / or "comprising" are used in this specification, they mean There are features, steps, operations, means, components and / or combinations thereof.

[0039] It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar...

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Abstract

The invention provides a magnetic suspension bearing assembly, a motor and a compressor. The magnetic suspension bearing assembly comprises: a shell iron core provided with a rotating shaft; an axial stator assembly which is arranged in the shell iron core along the peripheral side of the thrust disc of the rotating shaft; a first stator assembly which is arranged on the shell iron core and located on the first side of the axial stator assembly; and a second stator assembly which is arranged in the shell iron core and located on the second side of the axial stator assembly, wherein the second stator assembly and the first stator assembly are oppositely arranged, the first stator assembly and the second stator assembly are used for generating independent radial control magnetic fields, and the axial stator assembly is used for generating a control magnetic field in the axial direction of the rotating shaft. The magnetic suspension bearing assembly adopting the structure is compact in structure, capable of effectively shortening the axial length of magnetic suspension, simple in structure and good in stability.

Description

technical field [0001] The invention relates to the technical field of magnetic suspension bearing equipment, in particular to a magnetic suspension bearing assembly, a motor and a compressor. Background technique [0002] Magnetic suspension bearings have a series of excellent qualities such as no contact, no wear, high speed, high precision, no need for lubrication and sealing, and are a high-tech product integrating electromagnetics, electronic technology, control engineering, signal processing, and mechanics. [0003] Magnetic bearings are divided into three types: active, passive, and hybrid. Active magnetic bearings have high rigidity and can be precisely controlled, but require a large volume and power consumption to generate unit bearing capacity. Passive magnetic bearings use the attraction or repulsion between magnetic materials to achieve the suspension of the rotor, and the stiffness and damping are relatively low. The hybrid magnetic bearing uses a permanent ma...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K16/04H02K7/09H02N15/00H02K3/12H02K3/28F16C32/04
CPCF16C32/0461F16C32/0465F16C32/0468F16C32/0489F16C2380/26H02K3/12H02K3/28H02K7/09H02K16/04H02N15/00
Inventor 吴瑞张芳龚高张超
Owner GREE ELECTRIC APPLIANCES INC
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