Trace extraction device for structured light generated by MEMS (Micro Electro Mechanical System) micro galvanometer technology

The utility model provides a trace extraction device for structured light generated by an MEMS micro-galvanometer technology. The trace extraction device comprises a shell, a laser, an optical lens, an MEMS micro-galvanometer, a camera, a control system and a processor, wherein the MEMS micro galvanometer, the optical lens and the laser are sequentially arranged, the display screen is arranged onthe shell, and the control system and the processor are arranged in the shell. Various traces can be accurately extracted without contact; extraction traces can be directly displayed for multiple times; point cloud information output by the equipment can be directly used for 3D printing, tools causing traces are reproduced through 3D printing or an engraving machine and compared repeatedly, the equipment greatly improves the working efficiency of case handling personnel in China, a new path is opened up for criminal investigation work in China, the size is small, and the equipment can be usedin any environment. 本实用新型提