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Method for discriminating air quality grade based on lens blue light wave analysis

A technology of air quality grades and discrimination methods, applied in the field of grade judgment, can solve problems such as difficult air pollution levels and difficult to judge air quality grades

Inactive Publication Date: 2016-03-30
TAIYUAN UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the status of air quality (generally PM2.5 pollution) is generally released by government agencies and other professional departments. Take corresponding protective measures

Method used

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  • Method for discriminating air quality grade based on lens blue light wave analysis
  • Method for discriminating air quality grade based on lens blue light wave analysis
  • Method for discriminating air quality grade based on lens blue light wave analysis

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Embodiment Construction

[0022] The present invention is further illustrated by the following examples, but not limited to the following examples.

[0023] Firstly, the theoretical basis used in the present invention is explained, that is, the principle of atmospheric scattering and the principle of optical effects. Atmospheric scattering refers to the phenomenon that when solar radiation enters the atmosphere and encounters air molecules, dust, cloud droplets and other particles, the particles re-radiate electromagnetic waves to the surroundings according to a certain rule at the same frequency as the incident wave. According to the relationship between the particle size of scattering particles and the wavelength of the sun, scattering can be divided into molecular scattering (also known as Rayleigh scattering) and coarse particle scattering (also known as diffuse). The formation, particle types, characteristics and optical effects of the two types of scattering are shown in Table 1, where d is the d...

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Abstract

The invention discloses a method for discriminating an air quality grade based on lens blue light wave analysis. The method comprises the steps of shooting the sky through a shooting device to obtain a sky image; receiving the output sky image shot by the shooting device through an analytical calculation device, calculating the average blue saturability of the sky image based on an HSB color mode, calculating the value of the current air quality index (AQI) according to the corresponding relations of the average blue saturability and an AQI established in advance to obtain the air quality grade; and displaying the current air quality grade and / or the AQI through a display device. According to the method, the air quality grade can be discriminated and displayed accurately and conveniently, so that ordinary people can obtain and judge the air pollution degree in real time, judge the air quality grade and conveniently take corresponding protective measures according to different air quality grades.

Description

technical field [0001] The invention relates to a method for judging air quality grades based on lens blue light wave analysis, and belongs to the field of judging air quality grades. Background technique [0002] In recent years, air pollution has become more and more serious, affecting human health. People need to know the air pollution level like the weather forecast, so that they can take necessary protective measures when going out. At present, the status of air quality (generally PM2.5 pollution) is generally released by government agencies and other professional departments. Take corresponding protective measures according to the level. Contents of the invention [0003] The purpose of the present invention is to provide an air quality grade discrimination method based on the analysis of the blue light wave of the lens, so that the air quality grade can be judged and displayed more accurately and conveniently, so that ordinary people can know the degree of air pol...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/27
CPCG01N21/27G01N2021/1776
Inventor 刘耀龙段锦常媛媛马清亮张华明郭涛
Owner TAIYUAN UNIV OF TECH