▎ 摘　　要

NOVELTY - The utility model claims a device for infrared detection flake PET on graphene defect, comprising graphene electrifying device and infrared detecting device; the graphene electrifying device comprises a fixed table and two clamping devices; the clamping device is respectively set at the two sides of the fixed table, the clamping device comprises a metal strip, a vertical rod and a clamping strip, the vertical rod is vertical to the fixed platform, the clamping strip is parallel to the fixed platform, the clamping bar can move along the direction vertical to the fixing table to move up and down. the metal strip is set on the lower surface of the clamping bar. device of graphene defect infrared detecting large PET claimed by the utility model is capable of monitoring the heating condition of the graphene film in the production of graphene film section to prevent the heating defect of graphene film leads to waste of resource in the subsequent production process.