Industrial equipment operation monitoring signal adjusting circuit

Abstract

The invention discloses an industrial equipment operation monitoring signal adjusting circuit. The circuit comprises a frequency acquisition circuit, a separation switch circuit and a push-pull outputcircuit. The frequency acquisition circuit acquires analog signal frequency received by the industrial equipment operation monitoring control terminal. According to the separation switch circuit, a triode Q5, a variable resistor RW1, a capacitor C4 and a capacitor C5 form a synchronous separation circuit to divide a signal into two paths of signals with the same frequency and different amplitudes; a capacitor C2, a capacitor C3, an inductor L4 and a triode Q1 are used in one parth to form a frequency modulation circuit to adjust the signal frequency; in the second path, a diode D1, a diode D2and a capacitor C6 form a noise reduction circuit to reduce the signal-to-noise ratio; and finally, the push-pull output circuit uses a triode Q7 and a triode Q8 to form a push-pull circuit to prevent signal crossover distortion, and the signal is output after being stabilized by a voltage stabilizing tube D3, i.e., a compensation signal of an analog signal received by the industrial equipment operation monitoring control terminal, so that high-frequency component attenuation is overcome.

Description

technical field [0001] The invention relates to the field of circuit technology, in particular to an industrial equipment operation monitoring signal adjustment circuit. Background technique [0002] At present, the application of Internet of Things technology in industry mainly includes manufacturing execution system (MES), manufacturing supply chain management, production process optimization, product equipment monitoring management, environmental monitoring and energy management, safety production management and advanced manufacturing technology, etc. In terms of industrial equipment operation monitoring system, some small and medium-sized factories still use video baseband cable transmission due to cost considerations. High-frequency components above 300 meters attenuate greatly, and image quality cannot be guaranteed. Therefore, in order to ensure video baseband cable transmission On the basis of this, it is necessary to compensate and adjust the analog signal received ...

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Problems solved by technology

[0002] At present, the application of Internet of Things technology in industry mainly includes manufacturing execution system (MES), manufacturing supply chain management, production process optimization, product equipment monitoring management, environmental monitoring and energy management, safety production management and advanced manufacturing technology, etc. In terms of industrial equipment operation monitoring system, some small and medium-sized factories still use video baseband cable transmission due to cost considerations. High-frequency components above 300 meters attenuate greatly, and image quality cannot be guaranteed. Therefore, in order to ensure video baseband cable transmission On the basis of the existing industrial equipment operation monitoring control terminal, it is necessary to compensate and adjust the analog signal received by the terminal to overcome the attenuation of high-frequency components

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