基于光电检测技术的光盘刻录演示系统研究

发布时间：2018-01-05 23:18

本文关键词：基于光电检测技术的光盘刻录演示系统研究　出处：《长春理工大学》2012年硕士论文　论文类型：学位论文

【摘要】：光盘刻录模拟演示系统可用于科技展馆实现光盘刻录过程的演示。本文研究了光盘刻录原理和过程,提出基于光电检测技术的光盘刻录模拟演示系统。系统由LED阵列模拟光盘,通过激光照射光敏三级管实现信号输入,采用扫描检测方式确定输入点的位置,单片机控制LED开关,通过LED关闭模拟光盘烧录过程中的烧蚀。系统中还设计了高精度模拟光盘转台和激光直线扫描运动平台,通过LED在光盘上的直径信息和角度信息对光盘进行编码。系统中转台采用激流永磁力矩电机作为驱动源,精密转台轴承作为运动承导部件,由轴角编码器反馈回转角度,通过导电滑环联接电源和信号电缆,实现了模拟光盘的高精度回转运动。激光直线扫描平台通过步进电机驱动,由同步齿形带传动,精密直线滚珠导轨作为运动承导件,光栅尺反馈位移,实现了激光头的精确直线扫描。
[Abstract]:DVD demo system can be used in science and Technology Museum for demonstrating the process of disc burning. This paper studied the principle and process of the disc burning, the CD photoelectric detection technology based on simulation system. Simulation system is composed of LED array disc by laser irradiation photosensitive three tube signal input, using scanning detection methods to determine the position of the input MCU control, LED switch, LED burning off simulated disk through the ablation process. The system is designed for high precision simulation turntable disc and laser linear scanning platform, through the LED encoding on the disk on the disc diameter information and angle information. The system adopts turntable torrent permanent magnet torque motor as driving source, precision turntable bearing as the motion bearing components, the rotation angle by the shaft encoder feedback, through the conductive ring connection of power and signal cables to achieve The high precision rotation motion of the analog disc is simulated. The laser linear scanning platform is driven by a stepper motor, driven by synchronous toothed belt, precise linear ball guide is used as a motion guide member, and the grating ruler feedback displacement, so that the accurate straight line scanning of the laser head is achieved.

【学位授予单位】：长春理工大学
【学位级别】：硕士
【学位授予年份】：2012
【分类号】：TP333.4;TN247

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