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本文介绍了一种检测工件形状或尺寸大小的光电式传感器。它由电荷耦合器件CCD作传感元件，由微机完成信号采烊、参数分析和数据处理，可实现热运行工件的在线非接触式测量。
This article describes a photoelectric sensor that detects the shape or size of a workpiece. It consists of charge-coupled device CCD sensor, the signal acquisition by the computer to complete the acquisition, parameter analysis and data processing, the workpiece can be run hot non-contact measurement.