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Two-dimensional moving magnet type rapid reflector device

A mirror and moving magnet technology, applied in optical components, optics, instruments, etc., can solve problems such as thermal deformation of mirrors, achieve the effects of reducing radial gap, reasonable structure setting, and avoiding cable dragging

Active Publication Date: 2021-02-09
北京瑞控信科技股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The object of the present invention is to provide a two-dimensional moving magnet type fast mirror device for solving at least one of the above technical problems, which can realize a larger angle of rotation range, resist larger shock vibrations, and can be used in vacuum and other occasions; It solves the above-mentioned technical problems such as cable dragging and thermal deformation of the mirror caused by heating of the coil, and has a large gap and stroke to achieve a large range of rotation angles; the rigid shaft of the frame design improves the resistance of the fast mirror Vibration performance

Method used

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  • Two-dimensional moving magnet type rapid reflector device

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Embodiment Construction

[0068] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein can be arranged and designed in a variety of different configurations.

[0069] Please refer to Figure 1 to Figure 3 , the first embodiment of the present invention provides a two-dimensional moving magnet fast mirror device, including: a mirror 1, a rigid support assembly, a mirror bracket 2, a voice coil motor 7, a displacement measuring sensor 8 and a housing 10 .

[0070] The reflector 1 is supported on the front end of the base of the h...

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Abstract

The invention discloses a two-dimensional moving magnet type rapid reflector device which comprises a reflector, a rigid supporting assembly, a reflector support, a voice coil motor, a displacement measurement sensor and a shell. The reflector is supported at the front end of the base of the shell by the reflector support; the rigid supporting assembly connects the reflector support to the front end of the base of the shell; the voice coil motor is fixed between the reflector support and the base of the shell; and the displacement measurement sensor is fixed on a base of the shell. According to the invention, the moving magnet type rapid reflector device is adopted, a large rotation angle range is realized, the technical problems of thermal deformation of the reflector and the like causedby cable dragging and coil heating of a moving-coil type design are avoided, and the structure is reasonable and compact in arrangement and convenient to install.

Description

technical field [0001] The invention relates to the technical field of photoelectric scanning and tracking, in particular to a two-dimensional moving magnet fast mirror device. Background technique [0002] The fast reflector is a component that works between the light source or receiver and the target to adjust and stabilize the visual axis of the optical system or the beam pointing. By using a voice coil motor to precisely control the deflection direction of the reflector, the beam deflection angle can be precisely controlled. It is used to realize the rapid adjustment of the "deflection-tilt" azimuth angle of the mirror, and can be used in applications such as line-of-sight stabilization or scan compensation in the optoelectronic field. Due to its advantages of compact structure, fast response, high working bandwidth and high pointing accuracy, it is widely used in astronomical telescopes, adaptive optics, image motion compensation, free space optical communication, preci...

Claims

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Application Information

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IPC IPC(8): G02B26/10
CPCG02B26/105
Inventor 肖立亮孔凡辉
Owner 北京瑞控信科技股份有限公司
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