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Integrated gas detection probe based on laser spectrum absorption

A spectral absorption and gas detection technology, used in color/spectral property measurement, measuring device, material analysis by optical means, etc., can solve the problem of being susceptible to the influence of water vapor and other alkane gases, cumbersome production and assembly process, and inconvenient to batch. production and other problems, to achieve the effect of convenient mass production and post-maintenance, compact structure and simple structure

Pending Publication Date: 2019-09-06
深圳市利拓光电有限公司
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Problems solved by technology

[0002] At present, optical gas detection at home and abroad is divided into two categories: infrared light and laser. Laser gas sensing mainly uses optical fiber to guide light. The system technology is relatively complicated, and the production and assembly process is cumbersome.
The infrared gas sensing probe adopts spatial light transmission, but due to the wide spectrum, it is easily affected by water vapor and other alkane gases, and the measurement accuracy is poor
According to domestic and foreign literature and patents, there is a patent for the laser gas chamber, but the patent adopts a reflective structure, the process is complicated, and it is not convenient for mass production in the later stage

Method used

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  • Integrated gas detection probe based on laser spectrum absorption

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Embodiment Construction

[0024] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention, and similar component numbers in the drawings represent similar components. Apparently, the embodiments described below are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0025] It should be understood that when used in this specification and the appended claims, the terms "comprising" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude one or Presence or addition of multiple other features, integers, steps, operations, elements, components and / or col...

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Abstract

An embodiment of the invention discloses an integrated gas detection probe based on laser spectrum absorption, and relates to the technical field of gas detection. The gas detection probe provided bythe invention comprises a shell, wherein a laser, a reflector unit, a beam expander, a photoelectric detection unit, a drive circuit and a detection circuit are arranged in the shell; the shell is provided with an air inlet; the laser is electrically connected to the drive circuit; the reflector unit reflects the laser emitted by the laser to the beam expander; and the photoelectric detection unitis electrically connected to the detection circuit and receives the laser from the beam expander. According to the gas detection probe provided by the scheme, the integrated and small-sized integrated design of a detection light path is realized, and the probe is simple and compact in structure, high in anti-interference capability, high in reliability and convenient for batch production.

Description

technical field [0001] The invention relates to the technical field of optical gas detection, in particular to an integrated gas detection probe based on laser spectral absorption Background technique [0002] At present, optical gas detection at home and abroad is divided into two categories: infrared light and laser. Laser gas sensing mainly uses optical fiber to guide light. The system technology is relatively complicated, and the production and assembly process is cumbersome. Infrared gas sensing probes use spatial light transmission, but due to the wide spectrum, they are easily affected by water vapor and other alkane gases, and the measurement accuracy is poor. According to domestic and foreign literature and patents, there is a patent for the laser gas chamber, but this patent adopts a reflective structure, and the process is relatively complicated, which is not convenient for mass production in the later stage. Contents of the invention [0003] In order to solve...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/01G01N21/39
CPCG01N21/01G01N21/39G01N2021/391
Inventor 毛虎毛森焦英豪舒文鸿
Owner 深圳市利拓光电有限公司
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