PHOTOELECTRIC SENSOR CAPABLE OF RESISTING HIGH-FREQUENCY LIGHT INTERFERENCE

The disclosure provides a photoelectric sensor capable of resisting high-frequency light interference. It comprises a transmitting tube, double receiving tubes, a filter arranged at the front ends of the double receiving tubes for filtering optical signals, a band-pass filter circuit coupled to the...

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Hauptverfasser:	ZHAO, Dugui, WEI, Hongguang, ZHOU, Chengsong, XIE, Yong, XU, Yongtong, JIANG, Xingxing
Format:	Patent
Sprache:	eng
Schlagworte:	COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING
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creator	ZHAO, Dugui WEI, Hongguang ZHOU, Chengsong XIE, Yong XU, Yongtong JIANG, Xingxing
description	The disclosure provides a photoelectric sensor capable of resisting high-frequency light interference. It comprises a transmitting tube, double receiving tubes, a filter arranged at the front ends of the double receiving tubes for filtering optical signals, a band-pass filter circuit coupled to the double receiving tubes, a differential amplifier coupled to the band-pass filter circuit, a control module for controlling the synchronous receiving of optical signals, and a sensor hysteresis error setting system for improving the anti-interference performance of sensors; the control module further collects and obtains ambient light interference signals and sets an interference signal threshold value, and when it is detected that the amplitude of the collected ambient light interference signals is larger than the set interference signal threshold value, the control module discards the light signals lower than the interference signal threshold value after the interference signals are overlaid.
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subjects	COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING
title	PHOTOELECTRIC SENSOR CAPABLE OF RESISTING HIGH-FREQUENCY LIGHT INTERFERENCE
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