Fine particle sample introduction device, and sampling system and method for aircraft aerial survey

The present invention discloses a fine particle sample introduction device, and sampling system and method for the aircraft aerial survey, which solves the problem of many modifications to the aircraft due to that gas sampling has serious sample loss in the prior art, and has the beneficial effects that the sampling loss is small, the monitoring standard of the atmospheric monitoring instrument can be satisfied and the influence on the flight safety of the aircraft can be reduced. The scheme is as follows that: the fine particle sample introduction device for the aircraft aerial survey comprises a bent stainless steel sampling piece; one side of the sampling piece is provided with an air inlet nozzle; the inlet side dimension of the air inlet nozzle is smaller than the outlet side dimension, so that the flow velocity of the gas can be reduced; the other side of the sampling piece with respect to the air inlet nozzle can be arranged through the aircraft opening; the sampling piece can be connected with the air