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Signal phase lock-type processing system used for electrolytic tank anode current measuring apparatus

A technology for 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, suppressing zero drift, and good use effect

Inactive Publication Date: 2016-12-21
SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
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  • 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 the prior art is not effective in signal processing, and to provide a signal phase-locked processing system for the electrolytic cell anode current measuring device

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  • Signal phase lock-type processing system used for electrolytic tank anode current measuring apparatus
  • Signal phase lock-type processing system used for electrolytic tank anode current measuring apparatus

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Embodiment

[0020] 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, phase-locked loop circuit, two Order low-pass filter circuit, emitter coupled logic circuit, and linear isolation circuit.

[0021] 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.

[0022] At the same time, the P pole of the diode D7 is connected to the base of the transistor VT4 through the resistor R19, and t...

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Abstract

The invention discloses a signal phase lock-type processing system used for an electrolytic tank anode current measuring apparatus. The signal phase lock-type processing system comprises a processing chip U, a signal acquiring device JS, a triode VT4, a polar capacitor C11, a diode D8, the phase-locked loop circuits connected between a COMP base pin and a CS base pin of the processing chip U in series, a second-order low-pass filter circuit connected with the signal acquiring device JS, the emitter coupled logic circuits connected between the second-order low-pass filter circuit and the processing chip U in series, and a linear isolating circuit respectively connected with a OUT base pin and a G base pin and a CLK base pin of the processing chip U. The signal phase lock-type processing system has the advantages of reasonable design, simple integral structure, and good usage effect, and better ensures accurate measurement of the current of an anode rod by the electrolytic tank anode current measuring apparatus.

Description

technical field [0001] The invention relates to a processing system, specifically, a signal phase-locked 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 the conti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/20
CPCC25C3/20
Inventor 郭力
Owner SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
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