Protection and cleaning device for on-line light source detection of flat glass

The invention provides a protection and cleaning device for on-line light source detection of flat glass. The protection and cleaning device comprises a light detection device (1) and a plate frying sensing device (3) which are correspondingly matched with a glass plate and arranged under a glass roller way, and is characterized in that a corresponding cover plate (4) is arranged on one side of the light detection device (1), correspondingly matched swing devices are arranged at both ends of the cover plate (4), the cover plate (4) is further provided with a blowing tube (6), the blowing tube(6) forms a corresponding coordination with an air source through an air tube, and a photoelectric switch (3), the swinging devices (5) and an air source form an electrical signal connection coordination with a control module through cables. According to the protection and cleaning device, the structure is simple, use is convenient, the reliability is good, the manufacturing cost is low, automatictriggering is carried out