发明名称 Laser light section arrangement for determining e.g. elevation profile of object, has image processing device for identifying and separating laser sectional lines from each other in recorded image, and assigning lines to respective lasers
摘要 #CMT# #/CMT# The arrangement has laser light-irradiation devices (E1, E2) including lasers (1a, 1b) and expanding optical systems (5a, 5b) for expanding laser beams (LS1, LS2). The expanded beams are irradiated from opposite sides on a common target volume (ZV), in which an object (O) is arranged. A charge coupled device (CCD) camera (2) optically detects laser sectional lines produced in the target volume by the radiated laser beams. An image processing device (3) identifies and separates the laser sectional lines from each other in a recorded image and assigns the lines to the respective lasers. #CMT# : #/CMT# An independent claim is also included for a laser light section method for determining an elevation profile of an object. #CMT#USE : #/CMT# Laser light section arrangement for determining an elevation profile of an object, for determining volume of the object, and for determining a filling level and a filling weight of bulk goods i.e. powder, in a container i.e. blister container (all claimed). Can also be used for measuring surface defects on copper plates, surface defects on concrete plates, welding seams at a robotic arm, thickness of metal bands, filling volume in Blistern, engine blocks in the passage, bodies, rotatable parts such as gear shafts or drive shafts and recognizing missing rivets, soldering level on printed circuit boards, warpages of food package, width and groove depth of motor-car tires, distortions of hot cast parts. #CMT#ADVANTAGE : #/CMT# The object is subjected to a three-dimensional volume measurement to measure volume and elevation profile of the object in an easy, rapid and reliable manner without any inaccurate and/or incomplete volume and/or profile measurements. The laser beams are reflected by reflectors and/or mirrors such that the laser beams run one above the other perpendicular to a reference level and parallel to each other in an accurate manner, thus achieving a very compact design for the laser light section arrangement. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a side view of a laser light section arrangement. E1, E2 : Laser light-irradiation devices LS1, LS2 : Laser beams O : Object ZV : Common target volume 1a, 1b : Lasers 2 : Charge coupled device camera 3 : Image processing device 5a, 5b : Expanding optical systems.
申请公布号 DE102007063041(A1) 申请公布日期 2009.07.02
申请号 DE20071063041 申请日期 2007.12.28
申请人 FRAUNHOFER-GESELLSCHAFT ZUR FOERDERUNG DER ANGEWANDTEN FORSCHUNG E.V. 发明人 VIETH, KAI-UWE;HEINTZ, RUEDIGER
分类号 G01B11/25;G01F22/00;G01F23/292 主分类号 G01B11/25
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