High-temperature infrared thermal image monitor

The utility model discloses a high temperature infrared thermal image monitor, comprising an infrared mirror tube and an infrared camera, the front end of the infrared mirror tube is provided with a lens body, the infrared mirror tube close to the infrared camera is internally provided with a front infrared lens group and a rear infrared lens group, the outer side of the infrared camera is provided with a protective cover, the protective cover is internally provided with an interlayer cooling air channel, and the interlayer cooling air channel is provided with an air inlet. One side of the interlayer cooling air channel is provided with an air inlet, and the other side of the interlayer cooling air channel is provided with an air outlet. The infrared lens tube is characterized in that an electric adjustable diaphragm is also arranged in the infrared lens tube between the front infrared lens group and the rear infrared lens group; according to the utility model, the light transmission amount can be adjusted ac