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Satellite-borne scanning mechanism

A scanning mechanism and satellite-borne technology, applied in the field of space optical remote sensing, can solve the problems of surface accuracy, short service life, etc., and achieve the effect of satisfactory temperature adaptability, long service life, and convenient installation and adjustment

Active Publication Date: 2020-03-31
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

[0003] The purpose of the present invention is to propose a space-borne scanning mechanism, which solves the problems of short service life and easily affected surface accuracy in the prior art; improves surface accuracy, and improves temperature adaptability for complex space environments

Method used

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Embodiment Construction

[0029] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0030] See attached figure 1 And attached figure 2 , a kind of space-borne scanning mechanism of the present invention comprises:

[0031] support body 1;

[0032] A drive motor fixed on one side of the support body 1;

[0033] An encoder 3 arranged on the other side of the support body 1;

[0034] Central shaft 4, one end of the central shaft 4 passes through one side of the support body 1 and is coaxially fixedly connected with the drive motor, and the other end of the central shaft 4 passes through the other side of the support body 1 and the coding The end of the central shaft 4 close to the drive motor is rotatably supported on the support body 1 through the rotating support structure 5, and the end close to the encoder 3 is supported on the support body 1 through the floating support structure 6. ;

[0035] And a scanning mirror 7 , the scan...

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Abstract

The invention discloses a satellite-borne scanning mechanism, belongs to the technical field of space optical remote sensing, and aims to solve the problems of short service life, complex mechanism and time-consuming and labor-consuming assembly and adjustment in the prior art. A satellite-borne scanning mechanism of the present invention comprises: a support body; a driving motor which is fixed on one side of the supporting body; an encoder which is arranged on the other side of the support body; a central shaft, one end of the central shaft penetrates through one side of the supporting bodyand is coaxially and fixedly connected with the driving motor, and the other end of the central shaft penetrates through the other side of the supporting body and is connected with the encoder; the end, close to the drive motor, of the center shaft is rotationally supported on the supporting body through a rotary supporting structure, and the end, close to the encoder, of the center shaft is movably supported on the supporting body through a movable supporting structure; and a scanning mirror which is fixed on the central shaft through a connecting seat, and the scanning mirror is positionedin the support body.

Description

technical field [0001] The invention belongs to the technical field of space optical remote sensing, and in particular relates to a spaceborne scanning mechanism. Background technique [0002] With the vigorous development of space remote sensing technology, the scanning mechanism, as an important part of the space remote sensing imaging system, can effectively expand the observation field of view and obtain important target information. The core of the scanning mirror design is to ensure the surface accuracy of the scanning mirror when it is working. Facing the complex space environment, the scanning mirror needs to maintain instantaneous accuracy and long-term stability. In the design process of some structures in the past, the scanning mirror and the shaft system are back-to-back, which makes the surface accuracy easily affected by temperature. There are also some improper lubrication methods, which can not guarantee the service life. Contents of the invention [0003...

Claims

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Application Information

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IPC IPC(8): G02B26/10
CPCG02B26/10
Inventor 李炳强曹佃生林冠宇
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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