Simple automatic spraying control device

The utility model discloses a simple automatic spraying control device which comprises a water collecting tank, the top of the water collecting tank is movably connected with a supporting rod, one end of the supporting rod is fixedly connected with a floating ball, the other end of the supporting rod is provided with a power source contact, and the right side of the water collecting tank is fixedly connected with a fixing tank. Through cooperation of the water collecting tank, the supporting rod, the floating ball, the power source contact, the fixing box, the power source controller, the water outlet pipe and the water inlet pipe, the water level in the water collecting tank is lowered through natural evaporation, meanwhile, the floating ball descends, the rod end of the supporting rod is lifted through the lever principle, and when the power source contact is connected with the power source controller, a power source is switched on; the water tank is filled with water through an external water supply pipe,