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Automatic three-lens switchover mechanism for vehicle-mounted self-adapting optical imaging telescope

An adaptive optics and automatic switching technology, applied in the field of optics, can solve problems such as inconvenient operation, low stiffness, and complex process, and achieve the effects of high locking precision, high system stiffness, and high resonance frequency

Active Publication Date: 2015-04-29
CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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  • Abstract
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Problems solved by technology

[0005] The purpose of the present invention is to provide a three-mirror automatic switching mechanism for a vehicle-mounted adaptive optics imaging telescope, which solves the problems of complicated technology, high cost, low rigidity, low transmission accuracy, inconvenient operation, poor locking effect, and influence on optics in the prior art. Technical issues with system image quality

Method used

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  • Automatic three-lens switchover mechanism for vehicle-mounted self-adapting optical imaging telescope
  • Automatic three-lens switchover mechanism for vehicle-mounted self-adapting optical imaging telescope

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Embodiment Construction

[0017] The present invention will be further elaborated below in conjunction with the accompanying drawings.

[0018] See attached figure 1 And attached figure 2 , a three-mirror automatic switching mechanism for a vehicle-mounted adaptive optics imaging telescope of the present invention includes an angle encoder 5, a shaft system, a transmission mechanism and a locking mechanism;

[0019] The shaft system includes a rotating shaft 1, a base 2 and a three-row roller turret bearing 3; the rotating shaft 1 is screwed to the three-row roller turret bearing 3, and the outer ring of the three-row roller turret bearing 3 is screwed to the base 2 connect;

[0020] The transmission mechanism is a torque motor 4; the rotor of the torque motor 4 is connected to the rotating shaft 1 by screws, and the stator is connected to the base 2 by screws;

[0021] The locking mechanism is a butterfly diaphragm locking mechanism; the butterfly diaphragm locking mechanism includes a butterfly l...

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Abstract

The invention relates to an automatic three-lens switchover mechanism for a vehicle-mounted self-adapting optical imaging telescope and belongs to the technical field of optics. The mechanism solves the technical problems of complicated process, high cost, low rigidity, low transmission accuracy, inconvenience in operation, poor locking effect and influence on imaging quality of an optical system in the prior art. The automatic three-lens switchover mechanism comprises an angle encoder, a shaft system, a transmission mechanism and a locking mechanism, wherein the transmission mechanism is a moment motor; a rotor of the moment motor is in screw connection with a rotating shaft; a stator is in screw connection with a base; an unlocking linear motor is in screw connection with the base and is coaxial with a locking bolt; an unlocking pressure spring is located between the unlocking linear motor and the locking bolt; an unlocking photoelectric limit and a locking photoelectric limit are symmetrically connected onto the base of the unlocking linear motor; a limiting block sheet is located on an output shaft of the unlocking linear motor; the rotating shaft is sleeved with a code disk of the angle encoder; and a reading disk of the angle encoder is connected with the base via a connecting plate and a locking disc.

Description

technical field [0001] The invention belongs to the field of optical technology, and in particular relates to a three-mirror automatic switching mechanism for a vehicle-mounted adaptive optical imaging telescope. Background technique [0002] The meter-class vehicle-mounted adaptive optical imaging telescope includes the main imaging system and the zoom system on board. In order to realize the time-sharing imaging between the two systems, it is required that the three mirrors have a high-precision automatic switching function. At present, the main technology adopted at home and abroad is to drive the three mirrors to rotate through the turntable to realize the alignment of the turning optical axis with different imaging systems, and lock the turntable to ensure the stability of the image plane during work. [0003] The three-mirror automatic switching mechanism includes shafting, transmission mechanism, angle sensor and locking mechanism. The 1.2-meter self-adaptive telescop...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B23/00G02B23/16
CPCG02B23/00G02B23/16
Inventor 王建立陈宝刚吴晓霞刘昌华杨飞王富国王显军
Owner CHANGCHUN INST OF OPTICS FINE MECHANICS & PHYSICS CHINESE ACAD OF SCI
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