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Gas concentration analyzing device and measurement equipment thereof and analyzing method

A technology for measuring equipment and gas concentration, which is used in measuring devices, analytical materials, color/spectral characteristics measurement, etc. Small, enhanced anti-vibration effect

Pending Publication Date: 2019-04-19
南京木达环保科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

In addition, the measurement gas chamber and the reference gas chamber are usually equipped with the measurement gas chamber and the reference gas chamber according to the ultraviolet principle, and then the measurement signal and the reference signal are modulated by the mechanical chopping method, which has achieved accurate and stable measurement. Disadvantages such as tightness is not easy to guarantee

Method used

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  • Gas concentration analyzing device and measurement equipment thereof and analyzing method
  • Gas concentration analyzing device and measurement equipment thereof and analyzing method
  • Gas concentration analyzing device and measurement equipment thereof and analyzing method

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Embodiment Construction

[0060] In order to make the object, technical solution and advantages of the present invention clearer, the implementation manner of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0061] The first aspect of the present invention provides a measuring device for a gas concentration analysis device. The measuring device includes: a light source, an optical beam splitter, a measuring optical cell, a measuring end detector and a reference end detector;

[0062] The light source is a light source for absorption spectroscopy;

[0063] The optical beam splitter is used to divide the beam emitted by the light source into a first beam and a second beam;

[0064] The measuring optical cell is used to accommodate the sample gas to be tested;

[0065] The measuring end detector is used to measure the first light intensity of the first light beam after passing through the measuring light cell;

[0066] The reference junctio...

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Abstract

The invention discloses measurement equipment for a gas concentration analyzing device, the gas concentration analyzing device, a gas concentration calibration method and analyzing method. The measurement equipment comprises a light source, an optical beam splitter, a measurement light pool, a measurement terminal detector and a reference terminal detector. The measurement light pool is used for storage of to-be-tested sample gas; the measurement terminal detector is used for measuring first light intensity of a first light beam passing through the measurement light pool, wherein the first light beam is formed by a light beam, emitted by a measurement light source, passing through the optical beam splitter. The reference terminal detector is used for measuring second light intensity of a second light beam, emitted by the light source, passing through the optical beam splitter. A functional relationship or a curvilinear relationship between the first light intensity and the second lightintensity is calculated according to the Lambert-Beer law to further obtain concentration of target to-be-tested gas in the sample gas.

Description

technical field [0001] The invention belongs to the field of environmental monitoring, and relates to a gas component concentration analysis and measurement device, which is used for the measurement of the concentration of gas-polluting gas in ambient gas or waste gas discharged from fixed pollution sources, and is also suitable for the measurement of laboratory-related gas concentration. Background technique [0002] Whether it is the evaluation of ambient air quality or the monitoring of exhaust gas emissions from fixed pollution sources, it will involve the measurement of gas concentration. The measurement of gas concentration is directly related to the evaluation of environmental quality, the measurement and calculation of pollutant emission concentration and total emission. [0003] There are many methods for measuring gas concentration, such as chemical absorption method, constant potential electrolysis method, infrared spectral absorption method, ultraviolet spectral a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/33
CPCG01N21/274G01N21/33
Inventor 张文松周文俊金久伟
Owner 南京木达环保科技有限公司
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