Liquid cooling system of high-power charging connector and control method thereof

The invention discloses a liquid cooling system for a high-power charging connector, and the system comprises a non-conductive liquid material box which comprises a first cavity and a second cavity which are communicated with each other, the first cavity is disposed above the second cavity to form a sealed box body, the cross section of the first cavity is larger than the cross section of the second cavity, and the first cavity is provided with a liquid inlet and a liquid outlet; the system also comprises a radiator and a cooling pump, a pipeline at one end of the radiator is inserted into a preset first distance from the top of the first cavity through the liquid inlet; a pipeline at one end of the cooling pump is connected with the other end of the radiator, a to-be-cooled cable and an interface terminal of the charging connector are immersed in a pipeline at the other end of the cooling pump, and the pipeline at the other end of the cooling pump is inserted into a preset second distance from the top of the