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a fast reflector

A fast mirror and mirror technology, applied in the field of precision instruments, can solve the problems of high friction resistance of rigid support fast mirrors, slow response of voice coil motors and micro motors, and it is difficult to take into account large strokes and high precision. Wide range of use, simple and low-cost effects

Active Publication Date: 2022-03-11
上海镭望光学科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] Most of the existing fast mirrors are first-class fast mirrors, which are difficult to meet the requirements of large travel and high precision; among the three common support methods, although the flexible shaftless fast mirror has good stability, it has low rigidity and low load-carrying capacity. Smaller and poor anti-vibration ability, frame-type fast mirror has the disadvantages of poor precision and long response time, rigidly supported fast mirror has large friction resistance and slow response
The existing three driving components are piezoelectric ceramics, voice coil motors and micro motors, among which piezoelectric ceramics have the fastest precision and response speed, but their strokes are small, while voice coil motors and micro motors respond slightly slower and have larger strokes

Method used

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Embodiment Construction

[0040] In order to facilitate the understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. A preferred embodiment of the application is shown in the drawings. However, the present application can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of this application more thorough and comprehensive.

[0041] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to and integrally integrated with the other element, or there may be an intervening element at the same time. The terms "mounted", "one end", "the other end" and similar expressions are used herein for the purpose of description only.

[0042] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commo...

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Abstract

The invention discloses a fast reflector, which comprises: a casing, a stepping linear motor, a base, an elastic plate, a circular platform, a triangular plate, a lens, a mirror frame, piezoelectric ceramics, a spring pull rod, a steel ball, set screw, countersunk screw and spring assembly; the stepping linear motor is used for large stroke adjustment; the piezoelectric ceramic is used for high-precision adjustment; the steel ball and set screw are used for central hinged rigid support; The elastic plate is used to eliminate the rotational degree of freedom; the spring assembly is used to eliminate the installation gap and provide pre-tightening force. While ensuring high precision and fast response, the invention greatly improves the stroke of the fast mirror, improves the bearing capacity and shock resistance and vibration resistance of the fast mirror, eliminates the assembly gap, prevents rotation around the axis, and realizes various functions simply and conveniently. , no complex mechanism parts, low cost, low cost, and wide application range.

Description

technical field [0001] The invention relates to the field of precision instruments, in particular to a fast reflector applicable to the fields of light beam pointing adjustment, laser communication, aiming optical system and the like. Background technique [0002] Most of the existing fast mirrors are first-class fast mirrors, which are difficult to meet the requirements of large travel and high precision; among the three common support methods, although the flexible shaftless fast mirror has good stability, it has low rigidity and low load-carrying capacity. The frame type fast mirror has the disadvantages of poor precision and long response time, and the rigidly supported fast mirror has high friction resistance and slow response. The existing three driving components are piezoelectric ceramics, voice coil motors and micro motors, among which piezoelectric ceramics have the fastest precision and response speed, but their strokes are small, while voice coil motors and micro...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G02B7/198G02B26/08
CPCG02B7/198G02B26/0816
Inventor 吴入军
Owner 上海镭望光学科技有限公司
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