Cooling and heat dissipation system of ship electric cabinet

A cooling and heat dissipation system of a ship electric cabinet comprises a connecting plate, a semiconductor chilling plate, a heat insulation pad, a heat absorption radiator and a heat release radiator, the connecting plate is provided with a through hole corresponding to the semiconductor chilling plate in shape, and the connecting plate is connected with the heat release radiator through an elastic connecting device; a semiconductor chilling plate is arranged at the rear part of the through hole, and the hot end of the semiconductor chilling plate is attached to the heat-releasing radiator; the cold end is connected with the heat-conducting block and the heat-absorbing radiator; a heat insulation pad is arranged between the connecting plate and the heat absorption radiator; the connecting plate is fixedly connected with the heat absorption radiator; a protective cover is arranged outside the heat absorption radiator; a water collecting tank is arranged below the lower cover plate; a fan is arranged on a