Solid fertilizer real-time detection and control device of composite seeder

The utility model discloses a solid fertilizer real-time detection and control device of a compound seeder, which relates to the technical field of agricultural fertilization machinery, and comprises a seeder and a pressure sensor, an extension frame is arranged on one side of the seeder, mounting side plates are symmetrically arranged on the top of the extension frame, a fertilization detection box is arranged at the bottom end of a fertilizer box, and the pressure sensor is arranged in the fertilization detection box. A fertilizer guide pipe is arranged at the top of the fertilization detection box, and a fertilizer discharge control assembly at the top end of the fertilizer guide pipe is fixedly connected and communicated with the bottom end of the fertilizer box. A fertilizer discharge control assembly is installed at the bottom of a fertilizer box, a detection assembly is connected to the lower portion of the fertilizer discharge control assembly, a motor is powered on to drive a fertilizer discharge gro