SU598971A1 - Apparatus for measuring metal consumption in electroplating bath - Google Patents

Description

(54)

DEVICE FOR MEASURING METAL CONSUMPTION IN GALVANIC BATH

FIELD OF THE INVENTION The invention relates to electroplating and can be used to control the consumption of precious and rare metals. .

The closest to the invention in technical essence and the achieved result is a device for monitoring the thickness of the product that contains electroplating; a galvanic bath power source: a galvanic bath, an electroplating bath current sensor, a control unit, a current output unit and an electricity quantity meter. PZ. . . . When the galvanic bath power source is turned on, a shunt current sensor passes through the galvanic bath current sensor, the current of which determines the voltage drop across the shunt. The voltage from the current sensor of the galvanic bath is born to the control unit, which ensures the operation of the device when the bath is powered by a reversible current. A signal from the output of the control unit, proportional to the average magnitude of the bath current, through the current output setting unit is fed to a meter for the amount of aelectric Tsa, the scale of which is calibrated in units of mass of the deposited metal.

The current output setting unit is designed as an adjustable resistive part of the body and allows the device to vary the sensitivity in proportion to the selected current output value.

A disadvantage of the known device is a significant measurement error due to a change in current output during the deposition process, as well as: the need to pre-determine the current output of the bath. In addition, the known device is intended to measure the consumption of metals with a stable current output (for example, silver) and does not allow monitoring of the consumption of metals, the current output of which varies over wider limits (for example, gold alloy),

The aim of the invention is to improve the measurement accuracy.

 This is achieved by introducing a sensor for automatically detecting current output and multiplying devices into the device, the output of the sensor for automatically detecting current output being connected to one of the inputs of the multiplying device, the other input of which is connected to the output of the puller unit, as well. output multiplier

 The device is connected to the input of the meter of the amount of electricity.

In the drawing, the conceptual principle of the echo ical eckema of the pre, ylag8 - th usoroisogvay is presented.

Ush yuststvo contains; Mr. Alvanichbskush & Kiu If astro. 2 power baths, daubnk, 3 fOHa electroplating cells, slots &5; right, layk, Tioftcsso multiply-mouth 5. 5. sensor of automatic automatic - :; п-.п,:; de,; eini for current and curtain i i ni 7 loli “of quality alexand r,

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