Tunable frequency type signal processing system for aluminum electrolysis anode current measuring instrument

A technology of current measuring instrument and aluminum electrolytic anode, which is applied in the field of aluminum electrolysis, can solve problems such as inaccurate signal processing, and achieve the effects of improving accuracy and stability, signal stability, and improving accuracy

Inactive Publication Date: 2016-12-21
SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
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  • Description
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  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the problem of inaccurate signal processing in the signal processing system of the existing aluminum electrolysis anode current measuring instrument used in the aluminum electrolysis industry, and to provide a frequency-adjustable signal processing system for the aluminum electrolysis anode current measuring instrument system

Method used

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  • Tunable frequency type signal processing system for aluminum electrolysis anode current measuring instrument
  • Tunable frequency type signal processing system for aluminum electrolysis anode current measuring instrument
  • Tunable frequency type signal processing system for aluminum electrolysis anode current measuring instrument

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Embodiment

[0023] like figure 1 As shown, the present invention is mainly composed of a processing chip U, a transistor VT2, a diode D4 whose P pole is connected to the BLANK pin of the processing chip U through a resistor R13, and the N pole is connected to the VCO pin of the processing chip U through a resistor R14. , one end is connected to the N pole of the diode D4, the other end is connected to the emitter of the transistor VT2, the positive pole is connected to the emitter of the transistor VT2 through the resistor R15, and the negative pole is connected to the VDD pin of the processing chip U. The polar capacitor C6, the P pole is connected to the base of the transistor VT2, the N pole is connected to the FLB pin of the processing chip U through the resistor R16, and the diode D5 is connected to the IN pin of the processing chip U. Linear amplification circuit, a signal receiving filter circuit connected with the linear amplifier circuit, a signal frequency compensation circuit c...

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Abstract

The invention discloses a frequency-adjustable signal processing system for an aluminum electrolytic anode current measuring instrument, which is characterized in that it mainly consists of a processing chip U, a triode VT2, a diode D4, an inductor L2, a polar capacitor C6, and a diode D5, and has a large bandwidth. It consists of a resonant circuit, a linear amplifier circuit, a signal receiving filter circuit, a signal frequency compensation circuit connected to the processing chip U, and an astable multivibrator circuit connected in series between the collector of the triode VT2 and the bandwidth multiresonant circuit. The present invention can eliminate or suppress the harmonics in the input signal to make the signal more stable; and the present invention can also adjust the phase and frequency errors of the signal, thereby ensuring the accuracy of the signal processing by the present invention and effectively improving The accuracy of the aluminum electrolysis anode current parameters measured by the aluminum electrolysis anode current measuring instrument is verified.

Description

technical field [0001] The invention relates to the field of aluminum electrolysis, in particular to a frequency-adjustable signal processing system for an anode current measuring instrument of aluminum electrolysis. Background technique [0002] Aluminum electrolysis is a complex electrochemical reaction process, and its reaction process is subject to the coupling effect of multiple physical fields such as electric field, magnetic field, thermal field, and flow field. The anode current parameter is a very important parameter in aluminum electrolysis, which is closely related to various conditions of aluminum electrolysis. Therefore, it is of great significance to the aluminum electrolysis industry to use the aluminum electrolysis anode current measuring instrument to measure the aluminum electrolysis anode current in real time, so as to provide reliable aluminum electrolysis anode current data for the control of the aluminum electrolysis chemical reaction process. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C25C3/20G01R19/00
CPCC25C3/20G01R19/0092
Inventor 郭力
Owner SICHUAN HUASUO AUTOMATION INFORMATION ENGCO
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