A mobile visibility calibration system and calibration method

A calibration system and mobile technology, applied in the direction of transmittance measurement, etc., can solve the problems of lack of calibration and calibration of visibility measuring instruments, achieve the effect of preventing environmental interference and improving measurement accuracy

Active Publication Date: 2020-10-09
CIVIL AVIATION UNIV OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Domestic civil aviation airports lack laboratory calibration equipment for regular calibration and calibration of visibility measuring instruments

Method used

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  • A mobile visibility calibration system and calibration method
  • A mobile visibility calibration system and calibration method
  • A mobile visibility calibration system and calibration method

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Experimental program
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Embodiment Construction

[0034] The present invention will be further described in detail below through specific examples. The following examples are only exemplary and descriptive descriptions, not restrictive words, and cannot limit the protection scope of the present invention.

[0035] A movable visibility meter calibration system, which is composed of a sliding track 1, a laser emitting unit, a sliding platform 5, a platform driving mechanism, a receiving end mounting plate 4 and a control box 2, and the laser emitting unit and the sliding platform are installed on the sliding track , install the receiving end mounting plate and the control box on the sliding platform, install the platform driving mechanism on the sliding platform, install the power supply box and the PLC control unit in the control box, install the photoelectric receiving probe 3 of the visibility meter on the receiving end mounting plate, the photoelectric receiving The probe is connected to the PLC control unit through a signal...

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Abstract

The invention relates to a movable visibility calibrating system. The system is characterized in that the system is formed by a slide track, a laser emission unit, a slide platform, a platform driving mechanism, a receiving end installing plate and a control box, the slide track is provided with the laser emission unit and the slide platform, the slide platform is provided with the receiving end installing plate and the control box, the slide platform is provided with the platform driving mechanism, a power supply box and a PLC control unit are arranged in the control box, the receiving end installing plate is provided with a photoelectric receiving probe of a visibility meter, and the photoelectric receiving probe is connected to the PLC control unit through a signal transmission line. The movable visibility calibrating system has scientific and reasonable structure design, is reasonable in error elimination calculation by adopting multi-baseline sliding measurement, and provides scientific and powerful guarantee for the calibration and correction of the visibility meter.

Description

technical field [0001] The invention relates to a visibility detection device, in particular to a movable visibility meter calibration system and calibration method. Background technique [0002] Visibility is one of the important meteorological factors to ensure flight safety, and it is an important basis for judging whether the airport is open or closed, the aircraft takes off or lands, and uses visual flight or instrument flight. Accurate measurement of visibility has important practical value and research significance. [0003] At present, almost all the large and medium-sized airports in my country use the MITRAS atmospheric transmissometer and the FD12P forward scatterer produced by the Finnish VAISALA company. The purchase price of the equipment is very expensive, because the equipment does not have its own intellectual property rights. Repairs and upgrades cost even more. Even so, my country has a vast territory, numerous airports, and great differences in atmospher...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N21/61
Inventor 李猛蒋立辉台宏达熊兴隆
Owner CIVIL AVIATION UNIV OF CHINA
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