Detection device of bottle end expansion based on machine vision

The utility model discloses a detection device of bottle end expansion based on machine vision, detection device includes: light source, optical module (3), collection module (4), the light source directly or indirectly throws light on to the bottle that awaits measuring (2), optical module (3) subtend the await measuring bottleneck of bottle (2), it is right to be used for the picture that the bottle end of bottle (2) become to enlarge or reduce awaits measuring to guide the picture that becomes extremely gather module (4), it gathers to gather module (4) await measuring bottle (2) the bottleend the picture. The utility model overcomes the improvement on the work distance under the condition that does not influence bottle flowing water speed, has been accomplished to current shortcomingof adopting the picture mode, and it is bigger that the installation and the collecting bottle base map that more do benefit to the station look like to occupy the target surface, can obtain clear image including the bottom of