Rectangular wave modulation-type signal processing system for electrolyzer anode current measurement device

A technology of measuring device and anode current, which is applied in the field of processing system, can solve problems such as poor signal processing effect, achieve the effect of improving the effect of analysis and processing, maintaining stable signal level, and reasonable design

Inactive Publication Date: 2016-12-14
SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the defect that the signal processing system in the electrolytic cell anode current measuring device in th...

Method used

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  • Rectangular wave modulation-type signal processing system for electrolyzer anode current measurement device
  • Rectangular wave modulation-type signal processing system for electrolyzer anode current measurement device
  • Rectangular wave modulation-type signal processing system for electrolyzer anode current measurement device

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Embodiment

[0023] During implementation, the present invention mainly consists of processing chip U, signal collector JS, triode VT4, resistance R18, resistance R19, polar capacitor C11, polar capacitor C12, inductor L2, diode D7, diode D8, signal conditioning circuit, signal circuit Level adjustment circuit, second-order low-pass filter circuit, emitter coupled logic circuit, and linear isolation circuit.

[0024] When connected, the anode of the polarity capacitor C12 is connected to the emitter of the triode VT4, and the cathode is connected to the COMP pin of the processing chip U after passing through the inductance L2. The positive pole of the polar capacitor C11 is connected to the B pin of the processing chip U, and the negative pole is connected to the COMP pin of the processing chip U. One end of the resistor R18 is connected to the collector of the triode VT4, and the other end is grounded.

[0025] At the same time, the P pole of the diode D7 is connected to the base of the ...

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Abstract

The invention discloses a rectangular wave modulation-type signal processing system for an electrolyzer anode current measurement device, which is characterized by being mainly composed of a processing chip U, a signal collector JS, a triode VT4, a polar capacitor C11, a diode D8, a second-order low-pass filter circuit connected with the signal collector JS, an emitter-coupled logic circuit serially connected between the second-order low-pass filter circuit and the processing chip U, a signal conditioning circuit serially connected between the emitter-coupled logic circuit and the IN pin of the processing chip U, a linear isolation circuit connected with the OUT pin and the G pin of the processing chip U respectively, and a signal level modulation circuit serially connected between the CLK pin of the processing chip U and the linear isolation circuit. The rectangular wave modulation-type signal processing system for the electrolyzer anode current measurement device has the advantages that the design is reasonable; the overall structure is simple; the using effects are good; and accurate measurement on the current of an anode bar by the electrolyzer anode current measurement device can be well ensured.

Description

technical field [0001] The invention relates to a processing system, specifically, a moment wave regulation signal processing system for an anode current measuring device of an electrolytic cell. Background technique [0002] In the domestic aluminum electrolysis industry, it is usually necessary to measure the distribution of anode current during the production process of prebaked electrolytic cells. The traditional anode current detection system adopts the manual measurement method of offline equidistant voltage drop. Due to the manual measurement of offline equidistant voltage drop The method can only measure one anode at a time, and then measure the next anode after the operation is completed. The measurement procedure of this measurement method is complicated, the workload is heavy, and the measurement time is long, resulting in a time difference in the measurement results, which cannot truly reflect the anode current of the electrolytic cell. of the distribution. With...

Claims

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Application Information

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IPC IPC(8): G01R19/00
CPCG01R19/0092
Inventor 郭力
Owner SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
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