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Optical fiber measuring apparatus and measuring method used for superconducting spherical rotor

A spherical rotor and optical fiber measurement technology, which is applied in the direction of measuring devices, devices using optical devices, devices using optical methods, etc., can solve the problems of stable work and high precision for a long time, and achieve space saving, high stability and measurement The effect of accuracy and ease of measurement

Inactive Publication Date: 2009-01-14
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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Problems solved by technology

[0004] In order to overcome the shortcomings of the existing measuring device, which is affected by low temperature and cannot work stably with high precision for a long time, the present invention proposes a fiber optic measuring device and method for measuring superconducting spherical rotors

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  • Optical fiber measuring apparatus and measuring method used for superconducting spherical rotor
  • Optical fiber measuring apparatus and measuring method used for superconducting spherical rotor
  • Optical fiber measuring apparatus and measuring method used for superconducting spherical rotor

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Embodiment Construction

[0018] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0019] Such as figure 1As shown, the optical fiber measurement device of the present invention includes: a sensor bracket 1, a rotational speed optical fiber sensor 2, a rotational axial optical fiber displacement sensor 3, a motor control optical fiber sensor 4, a signal reading pattern 5, and a top plane 6 of a superconducting spherical rotor. The optical axis of the rotational axis optical fiber displacement sensor 3 coincides with the rotation axis of the superconducting spherical rotor, and the rotational speed optical fiber sensor 2 and the motor control optical fiber sensor 4 are located on both sides of the rotational axis optical fiber displacement sensor. Optical axis of rotational speed optical fiber sensor 2, rotational axis optical fiber displacement sensor 3 and motor control optical fiber sensor 4 is perpendicular to the top plan...

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Abstract

The invention relates to an optical fiber measurement device used for a superconducting spherical rotor; an optical axis of a rotary axial optical fiber displacement sensor (3) is coincided with a rotary axis of the superconducting spherical rotor, a rotation speed optical fiber sensor (2) and a motor controlled optical fiber sensor (4) are positioned at both sides of the rotary axial optical fiber displacement sensor (3); the optical axes of the rotation speed optical fiber sensor (2), the rotary axial optical fiber displacement sensor (3) and the motor controlled optical fiber sensor (4) are vertical to a plane (6) at the top part of the superconducting spherical rotor; the three sensors are fixed at a sensor support (1), and the positions thereof are on a straight line. A signal reading graph (5) is etched on the plane (6) at the top part of the superconducting spherical rotor. The measurement device of the invention adopts the non-contact optical fiber sensors for measuring the suspension height of the superconducting spherical rotor and the rotation speed of the superconducting spherical rotor and generating a motor-driven pulse signal for controlling the rotation speed of the superconducting spherical rotor.

Description

technical field [0001] The invention relates to an optical fiber measuring device and a measuring method for a spherical rotor, in particular to an optical fiber measuring device and a measuring method for measuring a low-temperature superconducting spherical rotor Background technique [0002] The continuous development of superconducting materials and low-temperature technology has played a huge role in promoting the development of new precision instruments and equipment. The unique physical properties of superconductors have incomparable application advantages compared with other materials, especially the superconducting magnetic levitation technology has attracted more and more attention. The rotation of the superconducting spherical rotor must first have the stable suspension of the superconducting rotor as a prerequisite. Superconducting magnetic levitation technology has many advantages: firstly, the entire levitation system works in a low-temperature environment, an...

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Application Information

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IPC IPC(8): G01D5/26G01B11/02G01P3/36
Inventor 胡新宁王秋良崔春艳韩立
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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