Title:
MAGNETIC SUSPENSION BEARING, AND MAGNETIC SUSPENSION BEARING CONTROL SYSTEM AND CONTROL METHOD
Document Type and Number:
WIPO Patent Application WO/2022/126872
Kind Code:
A1
Abstract:
A magnetic suspension bearing, and a magnetic suspension bearing control system (100) and control method. The magnetic suspension bearing control system (100) comprises: a processor (1), a synchronous signal generation module (2), a displacement signal conversion circuit, a post-processing circuit, an A/D conversion module (10), a pulse width modulation module (4), a frequency dividing circuit (3), a synchronization module (6) and a power amplifier (18). The magnetic suspension bearing comprises: the magnetic suspension bearing control system (100), a first iron core, a first magnetic suspension bearing actuator coil (15) wound on the first iron core, a second iron core, a second magnetic suspension bearing actuator coil (16) wound on the second iron core, and an electromagnetic force suspension rotor (17), wherein the first magnetic suspension bearing actuator coil (15) and the second magnetic suspension bearing actuator coil (16) are arranged opposite each other on the upper side and the lower side of the electromagnetic force suspension rotor (17); and the first magnetic suspension bearing actuator coil (15) and the second magnetic suspension bearing actuator coil (16) are both connected to the magnetic suspension bearing control system (100).
Inventors:
SHA HONGLEI (CN)
HONG SHENPING (CN)
YU TIANYE (CN)
YI CUNYU (CN)
LIU WANHU (CN)
LI KAI (CN)
HAN JINGCHAO (CN)
HONG SHENPING (CN)
YU TIANYE (CN)
YI CUNYU (CN)
LIU WANHU (CN)
LI KAI (CN)
HAN JINGCHAO (CN)
Application Number:
PCT/CN2021/080057
Publication Date:
June 23, 2022
Filing Date:
March 10, 2021
Export Citation:
Assignee:
TIANJIN EMAGING TECH CO LTD (CN)
International Classes:
F16C32/04; F16C41/00; H02N15/00
Foreign References:
| CN112240346A | 2021-01-19 | |||
| CN105823452A | 2016-08-03 | |||
| EP2006556A1 | 2008-12-24 | |||
| JP2000060169A | 2000-02-25 | |||
| CN101599670A | 2009-12-09 | |||
| CN1812261A | 2006-08-02 | |||
| CN111130541A | 2020-05-08 |
Other References:
See also references of EP 4039998A4
Attorney, Agent or Firm:
AFD CHINA INTELLECTUAL PROPERTY LAW OFFICE (CN)
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