Portable thermal infrared imager

The utility model discloses a portable thermal infrared imager. The portable thermal infrared imager comprises an imager body, and an infrared lens and a display screen which are arranged at the lower and upper sides of the device body respectively. The side surface of the imager body is connected with a handle, and a first accommodating cavity is formed inside the imager body, wherein a movement support is fixedly arranged in the first accommodating cavity and is equipped with a plurality of support columns, an each support column is a stepped structure formed by combining a plurality of fixing tables having different heights, and the corresponding fixing tables among different support columns are same in height to thereby form multiple layers of parallel fixing planes; each chip in the thermal infrared imager occupies one fixing plane and is fixed to the fixing table via a fixing hole at the upper part of the fixing table, and the movement support is an aluminum alloy support. The portable thermal infrared