Constant-temperature and constant-humidity chamber for high-temperature and low-temperature test of automobile material

The utility model relates to the technical field of automobile material testing, in particular to a constant-temperature and constant-humidity box for high-temperature and low-temperature testing of automobile materials. According to the technical scheme, the device comprises a first shell, a heat insulation plate is installed in the center of the interior of the first shell, a heating chamber is arranged between one side of the heat insulation plate and the inner wall of one side of the first shell, and a refrigerating chamber is arranged between the other side of the heat insulation plate and the inner wall of the other side of the first shell; partition plates are arranged on the lower portions of the interiors of the heating chamber and the refrigerating chamber, fixing mechanisms are installed at the tops of the partition plates, cameras and temperature detection sensors are installed at the top ends of the heating chamber and the refrigerating chamber, and pressing plates are arranged in the heating cha