The utility model discloses a detachable
infrared optical filtering module, and relates to the field of optical assemblies. The detachable
infrared optical filtering module comprises a mounting ring, a threaded ring is fixedly connected to one side of the mounting ring, an
infrared optical filter is arranged in the mounting ring, a circle of annular protrusion is arranged on the side, close to the threaded ring, in the mounting ring, and the detachable infrared optical filtering module further comprises a shell fixedly connected to the mounting ring at equal intervals in the circumferential direction. The mounting ring is provided with an embedding groove used in cooperation with the shell. The infrared
optical filter fixing device effectively prevents the infrared
optical filter from shifting and loosening when optical equipment works, ensures that the infrared optical filter is always in an accurate working position, ensures the stability and accuracy of infrared optical
signal filtering, improves the quality of imaging or detection results, greatly shortens the time for maintaining and replacing the optical filter compared with a traditional fixing mode, and improves the working efficiency. The operation difficulty is reduced, flexible adjustment by a user according to different scenes is facilitated, and the overall use efficiency and adaptability of the module are improved.