新型光学对中自动测量装置的设计

Automatic Measuring Device for Optical Alignment Based on Color Linear CCD

针对光学对中器采用面阵或者黑白线陈CCD器件作为图像传感器以及其他方面的不足,设计了一种新型光学对中自动测量装置;测量装置由N型自发光目标、光学镜头、彩色线阵CCD、处理电路、FPGA和电源模块组成;利用彩色线阵CCD和N型自发光目标协同工作进行二维位置测量;通过实验验证了该装置在强干扰光时,能区分有用目标信号和干扰信号;论文还介绍了彩色线阵CCD器件的优点和N型自发光目标的尺寸设计;最后,对新型光电对中器的测量精度进行了实验验证和误差分析;实验结果和现有文献结果相对比得出结论:采用彩色线阵CCD器件作图像传感器和N型自发光目标协同工作时,测量结果精确、稳定。

In view of the shortcomings of the optical alignment device,a novel optical alignment measuring device is designed,which USES a face array or a black and white line CCD device as an image sensor.The measuring device consists of N type spontaneous optical target,optical lens,color line array CCD,processing circuit,FPGA and power module.Two-dimensional position measurement was carried out by using color line array CCD and N-type spontaneous optical target.The experimental results show that the device can distinguish between useful target signal and interference signal when strongly interfering light.The paper also introduces the advantages of color linear array CCD device and the size design of N type spontaneous optical target.Finally,the measurement precision and error analysis of the new type of photoelectric centralizer are carried out.The results of the experiment are compared with the results of the existing literature.The results are accurate and stable when using the color linear array CCD device as the image sensor and N type spontaneous optical target to work together.