Respiratory dust detection device based on miner lungs

The invention discloses a respirable dust detection device based on miner lungs, and relates to the technical field of coal mine underground respirable dust detection, the respirable dust detection device comprises an airflow pipeline system, a filter membrane clamping structure and a respiration switching simulation system; the airflow pipeline system comprises a nasal cavity, a throat, a trachea, a branch trachea, an inlet-return pipeline and a rotating shaft; the filter membrane clamping structure is mounted at the inlet and return pipeline; the breathing switching simulation system comprises a flow meter, an electromagnetic valve, an air pump and a PLC control terminal, the flow meter is installed on the inlet and return pipeline and located between the filter membrane clamping structure and the electromagnetic valve, an inspiration pipeline and an expiration pipeline are arranged between the flow meter and the air pump, and the electromagnetic valve is installed at the intersection of the ends, away from