Universal electronic nose system and detection method thereof

Abstract

The invention provides a universal electronic nose system applicable to the fields of environmental monitoring, medical diagnosis, food detection, quality control and the like and a detection method of the universal electronic nose system. The universal electronic nose system comprises a sample feeding unit, a detection unit and an upper computer control unit, wherein the detection unit comprises a sensor array detection module and an ion mobility spectrum detection module. According to the universal electronic nose system, a sensor array technique and an ion mobility spectrum technique are combined, the sensor array detection module or the ion mobility spectrum detection module can be independently utilized for detecting, then a system detection result is independently given out by the corresponding detection module, furthermore, the sensor array detection module and the ion mobility spectrum detection module can be utilized for combined detection, and then the system detection result is integrally obtained from detection results of the sensor array detection module and the ion mobility spectrum detection module, so that the detection accuracy of a traditional universal electronic nose system can be greatly improved by virtue of the combined detection.

Description

technical field [0001] The invention relates to the technical field of electronic nose, in particular to a general electronic nose system and a detection method applicable to the fields of environmental monitoring, medical diagnosis, food detection, quality control and the like. Background technique [0002] Odor information is one of the natural attributes of objects, which largely characterizes a certain characteristic of objects. By detecting the odor information of different substances, qualitative and quantitative analysis of objects can be realized. [0003] The electronic nose is a rapid odor collection and analysis system built to simulate the human olfactory system. For a long time, the evaluation methods of odor information are mainly divided into expert sensory evaluation and chemical evaluation. Expert sensory evaluation is highly subjective, and there are many shortcomings such as large individual differences, non-uniform standards, and poor repeatability; che...

AI Technical Summary

Problems solved by technology

Expert sensory evaluation is highly subjective, and there are many shortcomings such as large individual differences, non-uniform standards, and poor repeatability; chemical evaluation methods generally require technical personnel with certain professional knowledge to operate, and the sample preparation and detection process is complicated and takes a long time , and the detection cost is high, it is difficult to carry out in-depth promotion

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