Glass fogging testing device

The utility model discloses a glass fogging test device, which comprises a test box, an air inlet hole, an air outlet hole, a heat dissipation hole and an air outlet hole, and is characterized in that heat dissipation holes are formed in one side of the test box; the semiconductor chilling plate is connected into the test box, the top surface of the semiconductor chilling plate is a refrigeration surface, the bottom surface of the semiconductor chilling plate is a heating surface, an avoiding opening is formed in the position, right opposite to the semiconductor chilling plate, of the top side of the test box, the refrigeration surface of the semiconductor chilling plate is connected with a cold guide plate, and the cold guide plate is connected with the semiconductor chilling plate. The cold guide plate protrudes upwards out of the avoiding opening, and the multiple semiconductor chilling plates are arranged in the left-right direction at intervals. The fan can enable air in the test box to flow to the heat