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Three servo device of optical nephoscope

A technology of a servo device and a measuring device, which is applied in the field of atmospheric detection, can solve the problems of inability to obtain an all-sky image and a small field of view, and achieves the effects of infrared radiation measurement and all-weather work.

Inactive Publication Date: 2007-12-19
中国人民解放军理工大学气象学院
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Problems solved by technology

The infrared optical lens generally has a small field of view, and it is impossible to reach 180 degrees like a visible light lens, so it is impossible to obtain an image of the whole sky by imaging the sky once.

Method used

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  • Three servo device of optical nephoscope

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Embodiment Construction

[0014] Choose aluminum or foundry or other hard metals to make the airtight box. The airtight box is equipped with a protective window with a penetration of 8 to 14 microns. The protective window is made of germanium glass or high-crystalline silicon, coated with an anti-reflection film, and the airtight box has built-in infrared Measuring device and calibration black body, and fix the infrared measuring device on the base driven by the inner pitching motor, which is built into the box, and the infrared measuring device is driven by the inner pitching motor to align the protective window or Calibrate the black body for measurement; the airtight box is fixed on the base driven by the outer pitch motor, and the base driven by the outer pitch motor is fixed on the horizontal circular rotation base driven by the azimuth motor. The airtight box is driven by the outer pitch motor, so that the protective window is aligned with a certain zenith angle; the overall structure is driven by...

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Abstract

A three-servo device of optical cloud measuring instrument is prepared as arranging closed box body on said device, setting infrared transmission protection window on closed box body, erecting infrared measurement unit and calibration blackbody in closed box body, setting internal pitching motor and external pitching motor as well as orientation motor on said device. Its method for driving relevant mechanism to rotate is also disclosed.

Description

1. Technical field [0001] The invention relates to a part of a ground meteorological observation instrument in the technical field of atmospheric detection, especially an important part of a cloud measuring instrument. 2. Background technology [0002] According to the requirements of technical specifications, the observation content of clouds on the ground mainly includes cloud base height, cloud amount and cloud shape. At present, the observation instruments for cloud base height mainly include laser nephelographs, cloud curtain lights, etc., and the cloud amount observation instruments mainly include visible light all-sky cameras, etc. [0003] Calibration is not required when measuring cloud heights with laser ceilometers and cloud curtain lights, usually in the direction of the zenith, and a pitch servo mechanism can also be used to measure cloud heights in different zenith angles. The all-sky camera mainly uses a fisheye lens or a spherical mirror to take pictures of ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01W1/00
Inventor 高太长翟东力孙学金赵世军
Owner 中国人民解放军理工大学气象学院
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