Air supply device and air supply system

The invention relates to the technical field of ship equipment, in particular to an air supply device and an air supply system.The air supply device comprises a shell body, an air uniformizing part and a flow guide assembly, the shell body comprises a ventilation runner, an air inlet and an air outlet, the air inlet and the air outlet communicate with a channel runner, and the air inlet and the air outlet are oppositely arranged in the first direction; the area of the air outlet is larger than that of the air outlet when observed in the first direction. The air uniformizing part covers the air outlet and comprises a plurality of ventilation holes, and the ventilation holes penetrate through the air uniformizing part in the first direction. The flow guide assembly is arranged on the side, facing the air inlet, of the air uniformizing part, the flow guide assembly extends from the air uniformizing part to the air inlet, the ventilation flow channel is divided into a plurality of cavities, and any one of the cav