Photoelectric sensor switch monitoring protection circuit and monitoring method
A photoelectric sensor and switch monitoring technology, applied in electronic switches, instruments, electrical components, etc., can solve problems affecting sensor repeatability, sensor error, production efficiency and economy
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[0042] Such as figure 1 As shown, in this embodiment, a photoelectric sensor switch monitoring and protection circuit includes: a power supply unit, a signal transmitting unit, a signal receiving unit, and a monitoring and protection unit; wherein, the monitoring and protection unit also includes: a noise detection module and Temperature detection module;
[0043] The power supply unit will input the voltage to the equipment, and convert the alternating current to direct current and stabilize the output voltage through the rectification and voltage stabilization module;
[0044] The signal transmitting unit controls the carrier waveform with the baseband pulse of the signal collected by the modulation module, so as to meet the emission standard of the signal transmitting tube;
[0045] The signal receiving unit converts the received optical pulse into an electric pulse signal by using the demodulation module, and simultaneously amplifies the received signal by using the ampli...
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