2010•Natural Science Journal of Xiangtan UniversityRequires access
Photoelectric Sensor Design of Automatic Counting
LI Yun-han
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Abstract
With infrared transmitting and receiving module as sensor,when a workpiece passes through the surveyed area,the light will be blocked by the workpiece and the receiving module will emit a pulse signal,the counting for the passing workpiece just is the workpiece number.An on-line type automatic control photoelectric counter system is developed based on this photoelectric detection method.The experiments show that the instrument has the advantages of precision counting,fast detection speed and strong practicability.