Infrared camera module

The utility model relates to an infrared camera module which comprises a mounting base, a top cover is arranged on the upper surface of the mounting base, a lens protection cover and a plurality of fixing screws are arranged in the top cover, a placement groove, a connecting groove and a mounting groove are formed in the mounting base, a plurality of positioning grooves are formed in the side wall of the placement groove, and a lens and an optical filter are arranged in the placement groove and the positioning grooves. An infrared imaging module is arranged in the top end of the mounting base, a limiting groove is formed in the side wall of the mounting groove, a circuit board is arranged in the mounting groove and the limiting groove, an image sensing module is arranged in the circuit board, a mounting bottom plate is arranged at the bottom ends of the mounting groove and the limiting groove, and an inserting block and a fixing block are fixed to the two ends of the mounting bottom plate respectively; first