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Displacement detection device, magnetic suspension bearing and displacement detection method thereof

A displacement detection and bearing technology, applied in the field of magnetic levitation, can solve the problems of large resource occupation and too many AD channels, achieve the effect of small resource occupation, overcome large resource occupation, and reduce the number of AD channels

Active Publication Date: 2020-04-14
ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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Problems solved by technology

[0005] The object of the present invention is to provide a displacement detection device, a magnetic levitation bearing and a displacement detection method thereof in view of the above-mentioned defects, so as to solve the problem in the prior art that too many AD channels lead to a large amount of resources occupied, and achieve the goal of reducing the amount of resources occupied Effect

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  • Displacement detection device, magnetic suspension bearing and displacement detection method thereof
  • Displacement detection device, magnetic suspension bearing and displacement detection method thereof
  • Displacement detection device, magnetic suspension bearing and displacement detection method thereof

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Embodiment Construction

[0032] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with specific embodiments of the present invention and corresponding drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, but 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 making creative efforts belong to the protection scope of the present invention.

[0033] According to an embodiment of the present invention, a displacement detection device is provided. The displacement detection device may include: redundant sensors and a control mechanism.

[0034] In an optional example, the redundant sensor is arranged on each degree of freedom of the bearing 1 to be detected, and can be used to redundantly obtain the dis...

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Abstract

The invention discloses a displacement detection device, a magnetic suspension bearing and a displacement detection method thereof. The device comprises: a redundant sensor and a control mechanism; wherein, the redundant sensor is arranged on each degree of freedom of a to-be-detected bearing (1) and used to redundantly obtain a displacement signal of the to-be-detected bearing (1) on the degree of freedom to which it belongs; and the control mechanism is used to control the operation condition of the degree of freedom to which the displacement signal belongs according to the redundantly obtained displacement signal. The solution of the present invention can overcome the defects of large resource consumption, complicated structure and low reliability in the prior art, and achieve beneficial effects of small resource occupancy, simple structure and high reliability.

Description

technical field [0001] The invention belongs to the technical field of magnetic suspension, and in particular relates to a displacement detection device, a magnetic suspension bearing and a displacement detection method thereof, a redundant design device for displacement detection, a magnetic suspension bearing with the device, and redundancy for displacement detection of the magnetic suspension bearing design method. Background technique [0002] With the gradual application of magnetic suspension bearings, its reliability has become more and more important, and redundant design is an effective way to improve the reliability of magnetic suspension bearing systems. The magnetic suspension bearing system is a double-loop control, with an inner current loop and an outer displacement loop. The displacement detection is a very important part of the displacement ring. For conventional magnetic suspension bearing systems, once the displacement detection fails, the entire magneti...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B7/02
CPCG01B7/02
Inventor 汪波贺永玲赵聪
Owner ZHUHAI GREE REFRIGERATION TECH CENT OF ENERGY SAVING & ENVIRONMENTAL PROTECTION
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