为满足钢板表面缺陷在线检测系统宽幅面、高速、高分辨率的检测要求, 优化设计了钢板表面缺陷视觉检测系统的

光学部分。采用了一种新型LED 线光源获得高强度均匀照明, 多线阵CCD 拼接成像完成幅面分割。明、暗域相结合的成像

模式确保了大部分缺陷的有效检出。综合考虑光源、镜头与线阵CCD 的影响, 计算并优化选取了光学镜头的焦距、f 数和视

场角等参数以满足检测需要, 整个光学系统设计满足在线检测需要并在样机中得以应用-To meet the steel surface defect online inspection system wide format, high-speed, high-resolution detection requirements, optimizing the design of the steel surface defect detection system of the optical part of the vision. Uses a new LED linear light source to obtain uniform illumination of high intensity, multi-line array CCD image mosaic format to complete segmentation. Light and dark field imaging mode ensures that the combination of the most effective detection of defects. Considering the source, lens and the impact of linear array CCD, calculate and optimize the selection of optical lens focal length, f number and the parameters field of view to meet the testing needs of the entire optical system designed to meet the needs of online testing can be applied in the prototype of