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Fast mirrors with dual flexible structures

A mirror, double-flexible technology, applied in the field of mirrors, can solve problems such as inconvenient integrated assembly, and achieve the effect of improving overall stiffness and bearing capacity

Active Publication Date: 2021-08-20
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing fast mirror realizes the two-dimensional rotation of the fast mirror, but its flexible structure includes a central flexible connector and a side flexible connector. Due to the large size and the separate structure of the flexible structure, it is not convenient for integrated assembly

Method used

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  • Fast mirrors with dual flexible structures
  • Fast mirrors with dual flexible structures
  • Fast mirrors with dual flexible structures

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the solutions of the present invention, the following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only It is an embodiment of a part of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present invention.

[0032] Such as figure 1 , figure 2 and Figure 4 As shown, a double-flexible fast mirror includes a mirror 1 installed in sequence, a back plate 2 for installing the mirror 1, a double-flexible structural assembly 3 capable of uniaxial or biaxial rotation, as The voice coil motor unit of the drive assembly, the base assembly for...

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Abstract

The invention discloses a double-flexible fast reflection mirror, which comprises sequentially installed mirrors, a back plate for mounting the mirrors, a double-flexible structural assembly for one-dimensional and / or two-dimensional rotation of the reflection mirror, and a driving assembly The voice coil motor unit and base assembly; the double flexible structure assembly includes a central flexible shaft and a fixed flexible unit that are in parallel and coincident with the rotary axes; the central flexible shaft is a columnar structure and is provided with multiple convex post rings for installation and positioning , any section where the central flexible shaft coincides with the center of rotation of the fixed flexible unit is a symmetrical arc-shaped inward concave structure. The present invention obtains the improvement of the overall rigidity by adopting two flexible joints with different flexible structures and superimposing the rigidities of the double flexible joints in different directions. The flexible structure adopts parallel connection of double flexible units, which can improve the carrying capacity; the flexible support effect of different stiffness can be realized by quickly replacing one of the flexible elements, so as to obtain the required natural frequency and system bandwidth.

Description

technical field [0001] The invention relates to the field of reflection mirrors, in particular to a fast reflection mirror with a double flexible structure. Background technique [0002] The fast launch mirror is an optical device developed in recent years for high-precision beam control. It can realize functions such as optical image stabilization and image motion compensation, and is widely used in technical fields such as aviation optoelectronic payloads, laser weapons, and optical communications. [0003] Fast mirror systems are usually supported by flexible structures, which can achieve frictionless and fast response. With the rapid advancement of science and technology, the entire optical system is developing towards the direction of dexterity, light weight and high resolution. Therefore, the optical system puts forward higher requirements for the volume and weight of the fast mirror device, and requires fast assembly. flexibility and modularity. The existing fast mi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/182G02B26/08
CPCG02B7/1821G02B26/0816
Inventor 谭淞年许永森王福超程艳萍
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI