Multi-channel air particulate matter concentration and component detection device and method

The invention discloses a multi-channel air particulate matter concentration and component detection device and method. According to the device, a sample gas drying unit is composed of a drying pipe, a heating belt, a first temperature and humidity sensor, a second temperature and humidity sensor and a preheating controller; the multi-stage collision collection unit mainly comprises a multi-stage collection chamber, a flow meter, an HEPA filter, a mass flow controller, a vacuum pump, a collision collection mechanism and a driving mechanism; the component continuous detection unit comprises a detection chamber, a contact terminal, a high-precision mobile platform, a Raman detection probe and a portable Raman spectrometer; the concentration continuous monitoring unit consists of a quartz wafer oscillation module, a high-precision frequency measurement module and a data processing module; the data acquisition processing unit is composed of a computer and a data acquisition card. The method comprises the followin