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Fourier transform infrared spectrometer and gas concentration detection method

An infrared spectrometer and Fourier transform technology are applied in the field of concentration analysis devices

Active Publication Date: 2021-09-14
TIANJIN TONGYANG TECH DEV
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  • Claims
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Problems solved by technology

Fourier transform infrared spectrometer technology has become an ideal monitoring method in the field of gas quantitative analysis due to its high precision, wide application range, fast response speed, long life, and convenient use. However, there is still a need for further improvement of Fourier transform infrared spectrometers.

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  • Fourier transform infrared spectrometer and gas concentration detection method
  • Fourier transform infrared spectrometer and gas concentration detection method
  • Fourier transform infrared spectrometer and gas concentration detection method

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Embodiment Construction

[0028] The Fourier transform infrared spectrometer uses the principle of Michelson interferometer to make the 632.8nm laser generated by the helium-neon laser produce interference phenomenon and act as a collimated light source. Infrared broadband light source and laser are in an optical path system. After the infrared light source is interfered, the data after the interference is collected through A / D, and the data is transformed by Fourier to obtain the spectral data of infrared light, which can then analyze the concentration of the gas to be measured. .

[0029] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings.

[0030] According to an embodiment of the present invention, a kind of Fourier transform infrared spectrometer is provided, such as figure 1 As shown, it includes: a ...

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Abstract

The invention discloses a Fourier transform infrared spectrometer and a gas concentration detection method. The Fourier transform infrared spectrometer comprises a laser source; an interference module which comprises a prism, a beam splitting sheet, a quarter-wave plate, a fixed mirror, a compensation plate, and a moving mirror; and a photoelectric information conversion module which comprises a beam splitter prism and two photoelectric tubes.

Description

technical field [0001] The invention relates to an analysis device for the concentration of various gases, in particular to a Fourier transform infrared spectrometer and a gas concentration detection method. Background technique [0002] With the development of industry and the increasing amount of domestic waste, the resulting toxic and harmful gases have seriously affected the quality of the air, which in turn has affected people's health. Fourier transform infrared spectrometer technology has become an ideal monitoring method in the field of gas quantitative analysis due to its high precision, wide application range, fast response speed, long life, and convenient use. However, there is still a need for further improvement of Fourier transform infrared spectrometers. Contents of the invention [0003] In view of this, the main purpose of the present invention is to provide a Fourier transform infrared spectrometer and a gas concentration detection method, in order to at ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/3504G01N21/01
CPCG01N21/3504G01N21/01
Inventor 李永刚李洪刚苏东东夏瑞阳樊海春张涛
Owner TIANJIN TONGYANG TECH DEV
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