Metal band pinhole online detection method and system based on laser scanning

The invention relates to the technical field of intelligent detection, and discloses a metal band pinhole online detection method and system based on laser scanning. The laser scanning irradiation device comprises at least one laser scanning irradiation unit; the optical fiber photon laser receiving device comprises at least one optical fiber photon laser receiving unit; the pinhole instrument management and control computer is in control connection with the optical fiber photon laser receiving device; a laser scanning irradiation process and an optical fiber photon laser receiving process are realized, laser rays and pinhole photoelectric signals penetrating through pinholes in the metal belt are obtained, pinhole size information and position information are synchronously obtained, dynamic information, detected in real time, of the pinholes in the metal belt is obtained, online processing measures are taken, and the precision of the pinholes in the metal belt is improved. The technical problems that in the