Waveguide grating Freon detection system and detection method thereof

Through the use of waveguide grating systems, the limitations of the existing Freon detection technology are solved, and high-resolution detection and distinction of Freon series molecular gases are achieved, providing a more accurate and reliable detection method.

CN119595572APending Publication Date: 2025-03-11DONGYANG JIPEI ADVANCED MATERIALS & DEVICES RESEARCH INSTITUTE
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Patent Information

Application Number
CN202411752480.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-02
Publication Date
2025-03-11

AI Technical Summary

Technical Problem

The existing Freon detection technology has many limitations, including complex operating procedures, easy equipment damage, inability to achieve online monitoring and accurate identification of specific types of mixed gases.

Method used

The waveguide grating system is used to detect Freon, which includes a light source emission device, a gas sampling part, a waveguide grating, a zero-order spectral filter element and a spectrometer. Through the spectroscopic technology of the waveguide grating and the light enhancement effect of the Fabry-Perot etalon, high-resolution detection of Freon is achieved.

Benefits of technology

It realizes high-resolution detection of Freon series molecular gases, can accurately identify and distinguish Freon-22, Freon-134A and Freon-1301, and provides technical support for environmental monitoring and industrial safety.

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Abstract

The invention relates to the technical field of environment monitoring, in particular to a system for detecting Freon through a waveguide grating and a detection method thereof.The system for detecting Freon through the waveguide grating comprises a light source emitting device and a light source used for exciting a detection marker; the gas sampling part is used for forming a signal of a marker to be detected; a waveguide grating for splitting an electron transition spectrum of Freon emitted from the gas sampling unit; the zero-order spectrum filtering element is used for receiving the first-order spectrum line transmitted by the waveguide grating and transmitting the first-order spectrum line to the receiver; the spectrograph is used for receiving the primary spectral line passing through the receiver and detecting the Freon gas according to the primary spectral line; through the arrangement of the system, high-resolution detection of Freon series molecular gases can be realized, technical support is provided for environmental monitoring and industrial safety, and Freon-22, Freon-134A and Freon-1301 can be effectively detected and distinguished according to different Freon series molecular infrared spectrums.
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