Automatic control type needle-tube type artificial rainfall simulating device

The invention provides an automatic control type needle-tube type artificial rainfall simulating device. The automatic control type needle-tube type artificial rainfall simulating device includes a water supply system, a rainfall system, an automatic control system, a control system, an observation system, a drainage system and a bracket. The water supply system includes a water collecting tank, awater collecting tank water inlet pipe, a limiting water pipe, a water outlet pipe and a filter. The rainfall system includes a rainfall system water inlet pipe, a rain box, a flow dividing tube, flow dividing pipes and needles. The automatic control system includes two sets of liquid pressurizers and timing controllers. The control system includes two flowmeters, two control knobs and flowmeterwater inlet pipes. The observation system includes a perforated polymethyl methacrylate disc and an electric turntable. The drainage system includes a water collecting tube and a drain pipe. The automatic control type needle-t