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Periscope type laser pointing mechanism with continuous annular scanning function

A technology of laser pointing and periscope, which is applied in the direction of optics, optical components, and optical devices, can solve the problems of continuous rotation, blind spots in laser terminals, broken links, etc. The effect of cable disturbance torque cancellation

Active Publication Date: 2020-08-11
BEIJING INST OF CONTROL ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The traditional periscope-type laser pointing mechanism, its azimuth axis can only achieve a limited angle of deflection, and cannot achieve continuous rotation, which will lead to a blind spot when the laser terminal passes the zenith, resulting in missing scans and broken links

Method used

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  • Periscope type laser pointing mechanism with continuous annular scanning function
  • Periscope type laser pointing mechanism with continuous annular scanning function
  • Periscope type laser pointing mechanism with continuous annular scanning function

Examples

Experimental program
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Effect test

Embodiment

[0054] The following is a specific embodiment of the periscope-type laser pointing mechanism with continuous ring scanning function.

[0055] Such as figure 1 As shown, the azimuth axis assembly and the pitch axis assembly are connected through a dual-axis connecting lens barrel; the output lens barrel is connected to the output end of the pitch axis assembly, and a set of elliptical reflectors are respectively installed on the 45-degree slopes of the dual-axis connecting lens barrel and the output lens barrel The mirror provides a turning function for the light path.

[0056] The output lens barrel is pressed on the docking base through a set of shape memory alloy locking and releasing device. After entering the orbit, the unlocker is unlocked and the pointing mechanism can rotate freely.

[0057] Two sets of mirror assemblies are responsible for the deflection of the light path. The periscope-type laser pointing mechanism is a large hollow structure, which serves as the pa...

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Abstract

The invention relates to a periscope type laser pointing mechanism with a continuous circular scanning function. An azimuth axis shell is fixedly connected to a spacecraft, and an azimuth axis main shaft is positioned in the azimuth axis shell and can rotate relative to the azimuth axis shell; a double-shaft connecting lens cone is of an L-shaped tubular structure, and an orientation reflector isinstalled at the corner of the double-shaft connecting lens cone and located on an inclined plane forming an angle of 45 degrees with the central axis of an azimuth axis main shaft; the azimuth axis main shaft is fixedly connected with one end of the double-shaft connecting lens cone to drive the double-shaft connecting lens cone to rotate together relative to the azimuth axis shell; a pitch axisassembly comprises a pitch axis shell and a pitch axis main shaft; the other end of the double-shaft connecting lens cone is fixedly connected with the pitch axis shell; the pitch axis main shaft is located in the pitch axis shell and can rotate relative to the pitch axis shell; and the pitch axis main shaft is fixedly connected with the output lens cone and drives the output lens cone to rotate relative to the pitch axis shell; and a conducting ring is arranged between the azimuth axis shell and the azimuth axis main shaft and is used for realizing rotary electric transmission.

Description

technical field [0001] The invention relates to a periscope-type laser pointing mechanism with continuous ring scanning function, which belongs to the technical field of space laser communication. Background technique [0002] Laser communication has the characteristics of fast transmission rate, high bandwidth, and good confidentiality. It is one of the important means of inter-satellite and satellite-to-earth communication in the future. The laser pointing mechanism is one of the three core units of the laser communication terminal (laser pointing mechanism, telescope, and transceiver channel), and is mainly responsible for the initial capture and stable tracking of the laser link. The periscope laser pointing mechanism is a special type of laser pointing mechanism. It is a two-dimensional turntable integrating mechanics, electricity, light, and heat. It has multiple functions such as azimuth scanning, pitch yaw, and optical path turning. . [0003] The traditional peris...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/26G01C1/00G02B7/182G02B26/08
CPCG01B11/26G01C1/00G02B26/0816G02B7/182
Inventor 张强蒋俊刘继奎郭超勇张述卿刘雪鹏刘巍肖杰李臣李兴光李光马婷婷朱林林刘露咪
Owner BEIJING INST OF CONTROL ENG
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