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Two-dimensional high load-bearing large-caliber rapid control reflector

A fast control, high load-bearing technology, applied in installation, optics, instruments, etc., can solve the problems of environmental adaptability, precision and work reliability, high elastic requirements of elastic parts, etc. Performance and reliability, simple structure, high load-carrying capacity

Inactive Publication Date: 2010-09-22
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0002] The Chinese invention patent "publication number is CN101482643" discloses a two-dimensional large-diameter fast control mirror, but the traditional flexible connection method is still used between the rotating mirror body and the supporting mirror frame
This method not only has high requirements on the elasticity of the elastic parts, but also has a rather limited load-carrying capacity, which fundamentally limits the environmental adaptability of the rapid control mirror
When facing the external working environment of vibration, shock and rotation, the precision and working reliability of this fast control mirror will be seriously reduced

Method used

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  • Two-dimensional high load-bearing large-caliber rapid control reflector

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Embodiment Construction

[0013] refer to Figure 1~6 , the fast control reflector of the present invention comprises: plane reflector 1, upper limit plate 2, support frame 3, base 4, four micro-displacement position sensors 5, motor support seat 6, lock nut 7, spring adjustment seat 8, Ball 9, lens pressing block 10, first linear voice coil motor 11a, second linear voice coil motor 11b, third linear voice coil motor 11c, fourth linear voice coil motor 11d, compression spring 12, mirror seat 13 and The pillar 41, wherein the linear voice coil motor 11 is composed of a coil and a magnetic base. The supporting mirror frame 3 is fixedly connected to one side surface of the base 4 , and the other side surface of the base 4 is evenly distributed with four pillars 41 , and the motor support base 6 is fixedly connected to the four pillars 41 of the base 4 . The inner surface of the supporting frame 3 is a part of the spherical surface, and the diameter of the ball pit 31 is 0.3-0.5mm larger than that of the ...

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Abstract

The invention relates to a two-dimensional high load-bearing large-caliber rapid control reflector. An outside surface of a rotating body and an inside surface of a supporting reflector frame of the reflector are both one part of a sphere surface. The two components are assembled in a mode that the spheres share the same spherical center and are in rigid connection with each other by a ball to form a rotary assembly similar to a bearing. The rotating body can universally rotate in the supporting reflector frame. Therefore, under the driving of a linear voice coil motor, the invention can realize high-frequency rapid two-dimensional rotation of the rotating body in the reflector frame and guarantees working stability and reliability of the rapid control reflector. On the other hand, the loads of rotating parts including a plane mirror is rigidly supported by the supporting reflector frame through the ball, which greatly improves bearing capacity and environmental suitability of the rapid control reflector.

Description

technical field [0001] The invention relates to a fast control reflector, in particular to a fast control reflector suitable for working environments such as vibration, shock and rotation. Background technique [0002] The Chinese invention patent "publication number is CN101482643" discloses a two-dimensional large-diameter fast control mirror, but the traditional flexible connection method is still used between the rotating mirror body and the supporting mirror frame. This method not only has high requirements on the elasticity of the elastic member, but also has a rather limited load-carrying capacity, which fundamentally limits the environmental adaptability of the rapid control mirror. When faced with the external working environment of vibration, shock and rotation, the precision and working reliability of this fast control mirror will be seriously reduced. Contents of the invention [0003] In order to overcome the shortcoming of the existing fast control mirror wi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/198G02B7/182G02B7/183
Inventor 徐新行王兵庄昕宇陈宁
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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