The utility model discloses a split type high-low temperature alternating
damp heat test box, which relates to the technical field of test boxes and comprises a mounting box and a gas guide component. A temperature and
humidity sensor is mounted in the mounting box, a baffle is hinged to the front side of the mounting box, a mounting plate is fixed to the upper side of the mounting box, a displayer is mounted on the front side of the mounting plate, a rotating
assembly is mounted on the upper side of the mounting box, and an air inlet
assembly is mounted on the left side of the mounting box; the air guide
assembly comprises a fixing ring, a rotating
barrel, a connecting disc, a Z-shaped air guide hole, an L-shaped
barrel and a spray head, an opening is formed in the left side of the mounting box, the fixing ring is fixed to the right end in the opening, the rotating
barrel is fixed to the interior of the fixing ring, and the L-shaped barrel is fixed to the interior of an air outlet formed in the right end of the rotating barrel. The lower end of the circumferential face of the L-shaped barrel is provided with evenly-distributed air outlet holes, temperature areas can be rapidly switched according to requirements, and meanwhile the space
utilization rate can be prevented from being reduced.