Device for measuring and calculating flood discharge atomization rainfall

The utility model relates to a device for measuring and calculating flood discharge atomization rainfall. The device comprises a switch type top cover, a rainwater collecting groove, a rainwater collecting pipe, a pumping amount system and a water level sensor. The switch type top cover covers the top of the rainwater collecting tank, the rainwater collecting pipe is connected to the bottom of therainwater collecting tank, and the rainwater collecting pipe is led into the observation chamber and connected to the pumping system; the water level sensor is fixedly mounted in the rainwater collecting tank; the rainwater collecting tank comprises four side walls and a bottom surface, and the four side walls are connected with one another in a sealed manner and are connected with the bottom plate in a sealed manner to form a box with an opening in the upper surface; the switch type top cover comprises five strip-shaped tile groups, and each strip-shaped tile group comprises a strip-shaped tile, a tile rotating shaf