Closed type water-cooling water chiller

The utility model discloses a closed type water-cooling water chiller. The technical problem to be solved is to reduce the temperature in a case of the closed type water-cooling water chiller so as to reduce the surface temperature of a control panel of an electrical appliance. The adopted technical scheme is as follows: the closed type water-cooling water chiller comprises the case, a compressor, a condenser, an evaporator and the control panel of the electrical appliance, wherein the compressor, the condenser, the evaporator and the control panel of the electrical panel are arranged inside the case; the control panel of the electrical appliance is arranged inside a groove which is recessed inward and is arranged above a front plate of the case; the bottom surface of the groove is provided with an air supply hole; and the left side surface of the groove is provided with at least one ventilation hole communicated with the case in parallel. An electric fan is arranged under the air supply hole; compared with t