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Automatic light modulation device

An automatic dimming, optoelectronic technology, applied in the directions of installation, optics, optical components, etc., can solve the problem of undeveloped dimming devices and so on

Inactive Publication Date: 2008-02-06
XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] When the observation instrument searches and aims at the moving target, it is hoped that the system can meet the changes of the external brightness and illuminance. Therefore, the observation instrument should have the corresponding dimming ability to meet the observation needs. Dimming device on the system

Method used

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  • Automatic light modulation device
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Embodiment Construction

[0016] Referring to Figures 1 and 2, the present invention includes symmetrical variable density discs 1 and 10, a driving bevel gear 6 and a servo micromotor 4 that can drive the driving bevel gear 6, and the variable density discs 1 and 10 pass through the bevel gears 17 and 19 respectively. Engaging with the driving bevel gear 6, the angle α between the variable density discs 1 and 10 is 9-15°, preferably 12°; the two variable density discs 1 and 10 are respectively arranged on the shafts of the bevel gears 17 and 19, and the bevel The shaft of gear 17,19 is connected with variable density disk 1,10 through two bearing blocks 12,16, and these two bearing blocks 12,16 comprise bearing frame 14,22, bearing 15,20 and bearing cover 13,24, bearing 15 respectively , 20 are arranged in the bearing frames 14, 22 respectively, and bearing covers 13, 24 are respectively arranged outside the bearing frames 14, 22, and the shafts of the bevel gears 17, 19 are arranged on the bearings 15...

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PUM

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Abstract

The present invention relates to an automatically adjusting light device. The technic proposal includes that the device comprises variable density disks, a driving taper gear and a micro servo-motor for driving the driving taper gear, the variable density disks are engaged with the driving taper gear by the taper gear, and two variable density disks are provided, and symmetrically arranged on the two sides of the driving taper gear. The present invention has the advantages that the light-adjusting accuracy is high, the light-adjusting effect is good and the structure is compact.

Description

technical field [0001] The invention relates to an automatic dimming device. Background technique [0002] When the observation instrument searches and aims at the moving target, it is hoped that the system can meet the changes of the external brightness and illuminance. Therefore, the observation instrument should have the corresponding dimming ability to meet the observation needs. Dimming device on the system. Contents of the invention [0003] In order to solve the above-mentioned technical problems in the background technology, the present invention provides an automatic dimming device with high dimming precision, good dimming effect and compact structure. [0004] The technical solution of the present invention is: the present invention is an automatic dimming device. The gear meshes with the driving bevel gear, and there are two variable density discs, which are symmetrically arranged on both sides of the driving bevel gear. [0005] The variable density disk is ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G02B7/00
Inventor 郝斌姜志超
Owner XI'AN INST OF OPTICS & FINE MECHANICS - CHINESE ACAD OF SCI
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