Rainfall phenomenon instrument raindrop particle size and particle speed simulation detection device

The invention relates to a rainfall phenomenon instrument raindrop particle size and particle speed simulation detection device, which comprises a liquid flow rate and flow controller for adjusting the total volume of output water and water flow speed; a raindrop particle size simulator which is connected with a water flow outlet of the liquid flow velocity and flow controller and is used for dripping water drops with different particle sizes; a measured rainfall phenomenon instrument which is arranged below the raindrop particle size simulator and is used for sampling raindrops; an adjustable lifting platform which is connected with the liquid flow speed and flow controller and is used for adjusting the falling height of the raindrops; a photoelectric counter which is used for recording the number of raindrops; a raindrop image recorder which is used for recording a raindrop picture and extracting the outline of the raindrop in real time; and a data acquisition and processing computer which is used for readi