Electroplating power supply circuit for realizing stable output of any waveform

Abstract

The invention discloses an electroplating power supply circuit for realizing stable output of any waveform. The electroplating power supply circuit comprises a power supply signal input circuit, a feedback current signal circuit, a current comparison circuit, a power supply circuit, a power amplifier, a feedback voltage signal circuit, a voltage comparison circuit, a power supply output circuit, and a power supply selection output circuit; the power supply signal input circuit amplifies an input power supply signal; the feedback current signal circuit performs amplification processing on an input load feedback current signal and inputs the same into the current comparison circuit to be compared with an input current signal, and an obtained current difference is input to the power supply selection output circuit; the feedback voltage signal circuit performs operational amplification processing an an input load feedback voltage signal, inputs the same into the voltage comparison circuitto be compared with an input voltage signal, and an obtained voltage difference is input into the power supply selection output circuit; the power supply selection output circuit selects the voltage difference or the current difference, inputs the voltage difference or the current difference into the power supply output circuit and transmits the same into a load through the power amplifier.

Description

technical field [0001] The present invention relates to the technical field of electroplating power supply, and more specifically, relates to an electroplating power supply circuit that realizes stable output of arbitrary waveforms. Background technique [0002] At present, low-voltage capacitor products are developing towards high-performance, high-frequency and low-impedance electrode foil aluminum electrolytic capacitors. Due to the particularity of its application, it is required to have the characteristics of high and low temperature resistance, low loss, low impedance, good frequency characteristics, high ripple current strength, good anti-interference characteristics, and excellent acid resistance. Therefore, the characteristics of high-frequency low-impedance electrode foil are proposed. higher requirements. [0003] At present, low-voltage anode aluminum foil products are mainly produced by electrochemical corrosion technology. Judging from the current patents and...

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Problems solved by technology

[0005] In order to solve the problem that the existing electroplating power supply cannot meet the production requirements of the existing multi-stage frequency conversion corrosion process, the present invention provides an electroplating power supply circuit that realizes stable output of arbitrary waveforms, which can realize undistorted amplification of arbitrary current waveforms or voltage waveforms output, which can meet the production requirements of frequency conversion corrosion process

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