Protective electronic nose device

The invention provides a protective electronic nose device, and belongs to the field of electronic detection. The invention particularly relates to an electronic nose for smell detection. Comprising an ingress pipe which is used for being inserted into a detection medium to guide atmosphere; the detection gun is used for carrying out cuttage transmission on the ingress pipe, a pipeline channel correspondingly communicated with the ingress pipe is arranged in the detection gun, and a sensor matrix structure used for atmosphere detection is further arranged in the detection gun; the ingress pipe is separately arranged relative to the detection gun, and the ingress pipe is provided with a plurality of groups of different lengths and sizes; the detection gun comprises an atmosphere leading-in assembly used for atmosphere communication leading-in, the atmosphere leading-in assembly and a leading-in pipe are correspondingly communicated through a connecting pipe, the connecting pipe is a hose, a detection box used