LED screen detection device and method

The invention discloses an LED screen detection device and method, and belongs to the field of LED screen detection. An LED screen detection device comprises a support and further comprises two symmetrically-arranged conveying belts which are fixedly installed on the two sides of the inner wall of the support respectively; the top of the support is fixedly connected with a top plate, and a detector facing the position between the two conveying belts is fixedly installed at the lower end of the top plate. The lifting equipment is fixedly mounted at the inner bottom of the bracket; wherein a C-shaped plate with an upward opening is fixedly installed at the telescopic end of the lifting equipment, strip-shaped grooves are formed in the inner walls of the two sides of the C-shaped plate correspondingly, and an airflow component enabling the two strip-shaped grooves to generate positive pressure and negative pressure correspondingly is arranged in the C-shaped plate; according to the invention, detection work of a