Structure for preventing corrosion of charging port of swimming pool cleaning machine and swimming pool cleaning machine

The utility model provides a structure for preventing corrosion of a charging port of a swimming pool cleaning machine and the swimming pool cleaning machine, the structure is respectively connected with the charging port of the swimming pool cleaning machine and a battery, and the structure comprises a mechanical contact device, a voltage stabilizing circuit and at least one unidirectional conductive device, the mechanical contact device and the at least one unidirectional conductive device are connected in series between the charging port and the battery, the voltage stabilizing circuit is connected with the mechanical contact device, the mechanical contact device is a mechanical normally open contact device, and the mechanical contact device provides at least two mechanical contacts. The swimming pool cleaning machine has the advantages that the normally-open mechanical contact device and the one-way conductive device are arranged between the charging port and the internal battery of the swimming pool clea