Volatile organic compound sampling and detecting device

The invention discloses a volatile organic compound sampling and detecting device which comprises a ground moving seat, a rotor craft, a sampler and a cable winch, the sampler is mounted on the rotor craft and comprises an air inlet box, a filter screen is arranged at an air inlet of the air inlet box, and a cleaning mechanism is arranged at the filter screen; the air inlet box is sequentially connected with the sampling box and the detection box, the cable winch is movably arranged on the ground moving seat through the displacement compensation mechanism, a cable is wound on the cable winch, and the two ends of the cable are electrically connected with the rotor craft and the power supply respectively; according to the scheme, the sampler is mounted on the rotor craft, so that the sampler realizes high-altitude accurate positioning sampling detection; the power supply can continuously supply power to the rotorcraft through the cable, so that the rotorcraft can fly at high and low altitudes and hover for a lo