The invention relates to the technical field of automatic detection, in particular to a
perovskite solar cell surface defect automatic detection and repair
system and method. The backlight source is arranged on the base to provide
transmission illumination, the
linear array camera module is driven by the guide rail scanning mechanism to perform linear scanning, and the
transmission illumination panoramic image of the surface of the battery is obtained; then, the pinhole position is positioned through an identification module, area data are obtained, and then the depth of the pinhole is accurately measured through a
white light interference thickness gauge; and finally, according to the obtained three-dimensional data, the use amount of a solution needing to be repaired is calculated, an
injection pump is driven by an execution mechanism to conduct quantitative
liquid injection, and meanwhile, a
laser annealing head is matched for conducting synchronous annealing treatment on an injection area. Precise positioning of a pinhole is realized
through transmission illumination, defect depth information is obtained by adopting a
white light interference principle, and quantitative repair is performed based on three-dimensional data, so that the repair process is controllable, measurable and repeatable, and the yield of batteries is effectively improved.