显微图像分析仪倍率控制系统的设计与实现

Design and realization of magnification control system for the instrument for analyzing microscopic image

设计了一套基于P89V51单片机的显微图像分析仪倍率控制系统。使用变焦镜头内部电机实现变倍以及位置传感器探测变焦镜头组的位置,单片机电路控制部分实现位置值的获取和电机的控制,上位机控制环节完成用户命令的发布和接收,实现了显微图像分析仪放大倍率的精确控制。该系统倍率控制精度满足医疗检验要求,给医学临床检验提供定性/定量等数据,为医疗诊断提供依据。

The magnification control system for the instrument for analyzing microscopic image based on P89V51 chip microcomputer is designed.The motor in zoom lens is used in changing magnification.The position sensor is used in detecting the position of zoom lens.Circuit control section is used to gain the value of position and to control the motor.Commands can be sent from host computer.The system realized accurate control of magnification.The accuracy of magnification control satisfies the request for medical detection.It provides qualitative and quantitative data for medical science and medical diagnosis.