Air chamber structure for nondispersive spectrum gas analyser

A gas analyzer, non-dispersive technology, used in color/spectral property measurement, material analysis by optical means, material analysis, etc., can solve problems such as high cost, complex process, and the measurement accuracy of gas analyzers is easily affected by the environment , to achieve the effect of low cost, simple production process and prolonged continuous working time

Inactive Publication Date: 2012-10-10
昆明斯派特光谱科技有限责任公司
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Problems solved by technology

[0015] In order to solve the problems existing in the existing non-dispersive gas analyzer preparation technology based on the principle of spectral absorption, the complex process and high cost caused by the use of an ellipsoidal gas chamber structure, the measurement accuracy of the gas analyzer is easily affected by the environment, dustproof and moisture-proof The contradict

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  • Air chamber structure for nondispersive spectrum gas analyser

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Embodiment Construction

[0030] The specific implementation of the present invention will be further described below in conjunction with the accompanying drawings and examples. The following examples are only used to illustrate the technical solutions of the present invention more clearly, but not to limit the protection scope of the present invention.

[0031] Such as figure 1 As shown, the technical solution for the specific implementation of the present invention is: a gas chamber structure for a non-dispersive spectroscopic gas analyzer, including a gas chamber housing 2, a filter element 5, a gas chamber housing 1, a front cover 6, and a rear cover 7 , the transmitting end 3 and the receiving end 4; the air chamber shell 2 and the air chamber shell 1 are torus structures, and the circumferential surface of the air chamber shell 2 is evenly distributed with small holes, and the air chamber shell 1 The inner diameter is greater than the outer diameter of the gas inner casing 2; there are through ho...

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Abstract

The invention belongs to the technical field of photoelectricity and micro electro mechanical systems, and relates to an air chamber structure, in particular to an air chamber structure of a nondispersive spectrum gas analyser. The air chamber structure comprises an air chamber inner shell, a filter core, an air chamber outer shell, a front cover, a rear cover, a transmitting end and a receiving end; the air chamber inner shell and the air chamber outer shell are of ring body structures, small holes are uniformly distributed on a circumference surface of the air chamber inner shell, and an inner diameter of the air chamber outer shell is larger than an outer diameter of the air chamber inner shell; through holes are opened on the front cover and the rear cover; and according to the novel straight air chamber structure provided by the invention, the affect on a calculating result of air concentration caused by pollution from extremely small number of dusts is greatly reduced, parallel light coincides with the empirical equation stated in the Beer-Lambert law, and the difficulty on norm algorithm of air concentration is reduced.

Description

technical field [0001] The invention belongs to the technical field of optoelectronics and micro-electromechanical systems, and relates to a gas chamber structure, in particular to a gas chamber structure for a non-dispersive spectral gas analyzer. Background technique [0002] For the detection of common toxic gases, especially inorganic toxic gases, special gas analyzers are generally used for detection, and gas analyzers based on the principle of spectral absorption are called spectroscopic gas analyzers here, which are a kind of gas analyzers with great development prospects. gas analyzer. Toxic and harmful gas analyzers based on spectroscopy Gas analyzers are currently mainly used in industries such as industry, agriculture, medical care, intelligent buildings, and analytical instruments for high-precision measurement of gas concentrations, such as supporting pollutant monitoring, automotive Exhaust gas analysis, gas and combustible gas detection, gas composition analy...

Claims

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Application Information

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IPC IPC(8): G01N21/31G01N21/01
Inventor 李永辉易宏黄家新
Owner 昆明斯派特光谱科技有限责任公司
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