Submersible breathing machine with modular sub-bin design

The utility model discloses a diving breathing machine with modular sub-bin design, which comprises a shell, an upper cover and a bottom plate, the shell, the upper cover and the bottom plate are fixedly connected to form a finished product frame, the end face of the upper cover is provided with an air inlet pipe, the upper cover and the shell are fixedly connected to form a cavity, and a battery, a circuit board, an induction device and a motor are arranged in the cavity; a battery, a circuit board, a circuit, an air pipe, key original devices and a compressor can be subjected to modular sub-bin design, so that good conclusion during assembly is realized, all parts of a product are not disordered, and a modular effect is formed; the whole compressor is completely and externally arranged at the bottom of the shell and is naturally cooled through river water or seawater, a cooling device does not need to be arranged, and meanwhile assembly and maintenance are convenient. And the air filtering device is arrange