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Symmetrical flexible supporting mechanism

A flexible support and symmetrical technology, applied in the field of spectral imaging, can solve the problems of easy tilting of the displacement output end face, large coupling displacement, and small motion stroke, and achieve the effect of simple and compact structure, uniform motion speed, and low cost

Pending Publication Date: 2021-10-22
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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Problems solved by technology

[0010] Based on the above background, in order to overcome the shortcomings of the traditional moving mirror support mechanism, such as short life, large coupling displacement, easy tilting of the displacement output end surface, and small movement stroke, the present invention provides a symmetrical flexible support mechanism

Method used

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Embodiment Construction

[0054] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0055] Such as figure 2 As shown, the symmetrical flexible support mechanism provided by the present invention includes a first boom 21, a second boom 22, a third boom 23, a fourth boom 24, a first fixed body 25, a second fixed body 26 and moving body 27;

[0056] The first fixed body 25, the moving body 27 and the second fixed body 26 are distributed sequentially along the optical axis, and the geometric centers of the three are all located on the optical axis; the first fixed body 25 and the second fixed body 26 are about the moving body 27 symmetry;

[0057] The first boom 21 , the second boom 22 , the third boom 23 , and the fourth boom 24 are arranged symmetrically about the center of the moving body 27 in space, wherein the first boom 21 and the third boom 23 are arranged at 180°. degree distribution, the second boom 22 and the fourth boom 24 are di...

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Abstract

In order to overcome the defects that a traditional movable mirror supporting mechanism is short in service life, large in coupling displacement, prone to inclination of a displacement output end face and small in movement stroke, the invention provides a symmetrical flexible supporting mechanism which comprises four movable arms, two fixed bodies and a movable body. The four movable arms are the same in structural size, are connected with the movable body through two connecting bodies in the middle of each movable arm and are connected with the two fixed bodies through compensation bodies at the two ends of each movable arm, the four movable arms are symmetrically arranged in the space relative to the center of the movable body, and every two adjacent movable arms are spaced by 90 degrees; the connecting body and the compensation body on each movable arm are flexible hinges, movement transmission is achieved through the flexible hinges, the advantages of zero-clearance transmission, zero friction and the like are achieved, and the movement precision of the mechanism is effectively guaranteed; and a double-parallelogram nested structure is formed in each movable arm, so that the movement stroke of a movable mirror can be effectively increased, a compensation function is achieved, and the spectral resolution of an imaging spectrometer can be improved. The symmetrical flexible supporting mechanism of the invention has the advantages of simple and compact structure, low cost and long service life.

Description

technical field [0001] The invention relates to the technical field of spectral imaging, in particular to a symmetrical flexible support mechanism. Background technique [0002] Spectral imaging technology is a new type of detection technology integrating optics, precision machinery, electronic technology, computer technology and spectroscopy. It can obtain the spectral information of the target while obtaining the geometric shape information of the target. Interferometric spectral imaging technology is based on the principle of light wave interference. By measuring the interferogram of the target, using the corresponding relationship between the target spectral information and the Fourier transform of the interferogram, the inverse Fourier transform of the interferogram is used to restore the spectral information of the target. Interferometric spectral imaging technology has obvious advantages in the quantitative and qualitative aspects of substances, and is widely used in ...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01J3/06G01J3/02G01J3/28
CPCG01J3/06G01J3/2889G01J3/0202G01J3/2823G01J2003/061G01J2003/062
Inventor 李思远田飞飞张宏建赵强柯善良
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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