The utility model provides an
oxygenation controller with good waterproofness, which relates to the technical field of
oxygenation controllers, and comprises a controller shell, a controller body is arranged in the controller shell, a connection positioning structure is arranged on the controller shell, a sealing plug-in cover plate structure is arranged at the joint of the connection positioning structure, and a waterproof cover plate is arranged on the sealing plug-in cover plate structure. The sealing plug-in cover plate structure is plugged in the connection positioning structure to achieve positioning installation and multiple sealing protection functions, waterproof heat dissipation structures are arranged on the two side walls of the controller shell, the connection positioning structure is arranged on the controller shell, a plug-in sealing groove is matched with a sealing
gasket, and the waterproof heat dissipation structures are arranged on the two side walls of the controller shell. According to the sealing plug-in cover plate structure, a fitting sealing foundation is provided for the sealing plug-in block in the sealing plug-in cover plate structure, when the sealing plug-in block is inserted into the plug-in sealing groove and is tightly fitted with the sealing
gasket, a first effective sealing defense line is formed, and external water can be greatly prevented from permeating from the front face connecting position.