Electrical connection performance test equipment for offshore photovoltaic connector

The invention discloses an electrical connection performance test device for an offshore photovoltaic connector, and particularly relates to the technical field of electrical connector detection, the electrical connection performance test device comprises a base, the base is provided with a test host, a butt joint seat and a test box, the butt joint seat is provided with a positive electrode detection joint and a negative electrode detection joint, and the positive electrode detection joint is internally provided with an insertion cavity; a plurality of accommodating cavities are formed in the negative electrode detection joint, an inner cavity is formed in the butt joint seat, an air supply pipe is arranged on the butt joint seat, the air supply pipe is communicated with the inner cavity, and air holes corresponding to the insertion cavity and the accommodating cavities respectively are formed in the butt joint seat. When the positive electrode connector and the negative electrode connector are dismounted, t