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Signal conditioning type processing system for electrolytic tank anode current measurement apparatus

An anode current and measuring device technology, applied in the field of processing systems, can solve problems such as poor signal processing effect, and achieve the effect of improving the effect of analysis and processing, rational design, and suppressing zero point drift

Inactive Publication Date: 2017-01-04
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 conditioning type processing system for the electrolytic cell anode current measuring device

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  • Signal conditioning type processing system for electrolytic tank anode current measurement apparatus
  • Signal conditioning type processing system for electrolytic tank anode current measurement 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, signal conditioning circuit, second-order It is composed of 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 t...

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Abstract

The invention discloses a signal conditioning type processing system for an electrolytic tank anode current measurement apparatus. The system is characterized by mainly consisting of a processing chip U, a signal gatherer JS, a triode VT4, a polar capacitor C11, a diode D8, a second-order low-pass filtering circuit connected with the signal gatherer JS, an emitter coupled logic circuit connected in series between the second-order low-pass filtering circuit and the processing chip U, a signal conditioning circuit connected in series between the emitter coupled logic circuit and the IN pin of the processing chip U, and a linear isolation circuit connected with the OUT pin, the G pin and the CLK pin of the processing chip U. The design is reasonable, the overall structure is simple, the application effect is good, and it can be well ensured that the electrolytic tank anode current measurement apparatus measures currents of an anode bar accurately.

Description

technical field [0001] The invention relates to a processing system, specifically, a signal conditioning type processing system for an electrolytic cell anode current measuring device. 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 contin...

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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