Automatic irrigation emitter for rice field

The utility model relates to the technical field of rice planting, in particular to an automatic irrigation emitter for a rice field. The inlet end of a water inlet pipeline of the device is connected with a connecting pipe, the inlet end of the water inlet pipeline is provided with a one-way valve, the outlet end of the water inlet pipeline is provided with a water filling valve, the water filling valve comprises a valve seat arranged at the outlet end of the water inlet pipeline and a valve plate matched with the valve seat, and the valve plate I is connected with the upper end of the valve seat I through a pin shaft; a permanent magnet is arranged on the inner wall of the upper end in the water inlet pipeline, and the valve plate can be attracted to the permanent magnet to open the water filling valve. The automatic irrigation device can automatically irrigate the rice field, the irrigation device is automatically closed and stops irrigation after the water level meets the requirement, the water level does