Detection system and inspection method for bottle seam and embossing alignment

摘要

A system for detecting features on a container wall includes an optical assembly comprising a camera, and an illuminating unit having light sources arranged on conductive tracks. Viewed in a vertical direction of the unit, the light sources are in vertical columns to project a strip-shaped beam onto a container-wall region. When viewed axially, the light sources are arranged on the conductive track one above the other without offset. Each column of light sources is actuated to project a light pattern on the container-wall region that can be variably adjusted as a function of surface properties of the container-wall region. The illuminating unit has first and second light source sets in corresponding adjacent vertical columns. Each light source set has one or more light sources. Adjustment is effected by concurrently switching the first and second light source sets between an on-state and an-off state.

主权项

1. An apparatus comprising a system for detecting containers that exhibit features arranged on a container wall thereof, said system comprising an optical assembly comprising a camera, and an illuminating unit comprising a plurality of light sources arranged on a plurality of conductive tracks, said light sources, when viewed in a vertical direction of said illuminating unit, being arranged one above the other in vertical columns such that said light sources project a strip-shaped light beam onto a container-wall region of said container wall, said projected strip-shaped light beams being disposed at a distance from one another when viewed in an axial direction of said illuminating unit, wherein said light sources, are, when viewed in axial direction, arranged on said conductive track one above the other without offset, wherein each vertically aligned column of light sources is actuated via a control unit that is configured such that said vertically aligned columns project a light pattern onto said container-wall region that is variably adjusted as a function of surface properties of said container-wall region, said illuminating unit comprising a first light source set on a first vertically aligned column and a second light source set on a second vertically aligned column that is horizontally adjacent to said first vertically aligned column, each of said first and second light source sets comprising at least one light source, wherein said adjustment is effected by switching said first light source set between an on state and an off state concurrently with switching said second light source set between an on state and an off state.