Multi-channel electronic nose detection system and measuring method thereof

Abstract

The invention discloses a multi-channel electronic nose detection system and a measuring method thereof. The system consists of a gas detection chamber, a signal processing part, a wireless transmission part, an alarm module and a display module, and can monitor various gases, comprising ammonia gas, hydrogen sulfide, carbon monoxide, ethanol, formaldehyde, acetone, VOC and the like, in real time. According to the measuring method, baseline data measurement is added before gas chamber gas entering and sampling, and a time drift correction algorithm is added for gas data, so that gas data analysis is accurate. The system provided by the invention integrates gas detection, data wireless transmission and data storage, is highly integrated and intelligentized, has good auxiliary effect on industrial application, adapts to environment air monitoring of various industrial parks and air monitoring of remote regions, and has wide application prospect.

Description

technical field [0001] The invention belongs to the technical field of gas detection, and in particular relates to a multi-channel electronic nose detection system and a measurement method thereof. Background technique [0002] Ambient air pollution is very harmful to human health. Some gases can cause serious harm to humans and animals in a very small amount, and the concentration of harmful gases and substances in the atmosphere exceeds the limit allowed by the environment, and they will die after a certain period of time. It will change the normal composition of the atmosphere, destroy the natural physical, chemical and ecological balance system, thereby endangering people's life, work and ecological balance system. [0003] Therefore, the detection of the atmosphere is already an indispensable job, and most of the existing industrial park gas monitoring solutions are single gas monitoring or single function, the data of the monitoring system is unstable, and the data dri...

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Problems solved by technology

[0003] Therefore, the detection of the atmosphere is already an indispensable job, and most of the existing industrial park gas monitoring solutions are single gas monitoring or single function, the data of the monitoring system is unstable, and the data drifts more with the passage of time , and cannot meet the current real-time monitoring of various gases

At present, most industrial parks use semiconductor sensors for gas monitoring, but semiconductor sensors are generally only used for qualitative analysis, and the detection effect on gas concentration is poor, and accurate analysis of gas sampling data cannot be realized.

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