Aptiv Technologies Limited

Antaya Technologies Corporation

Gordon Olson

William C Falk

Michael E Wheaton

A resistance soldering system includes a power input receiving an alternating current from a power source and a controller circuit generating a control signal indicative of a desired power level delivered for a desired time. The resistance soldering system further includes a silicon-controlled rectifier connected to the power input and the controller circuit and producing a control voltage proportional to the control signal and a transformer having a primary side receiving the control voltage and a secondary side having output leads configured to apply an output voltage to a solder joint disposed between the output leads. The controller circuit determines the control signal applied to the silicon-controlled rectifier required to melt the solder joint based on the desired power level and the desired time. The controller circuit controls the desired power level independent of the desired time. A method of operating a resistance soldering system is also presented.

Resistance soldering system

A power delivery system includes a power-input-channel, an AC/DC converter, one or more controller-circuits, a silicon-controlled-rectifier, a transformer, and a pair of output-leads. The power-input-channel receives alternating-current from a power-source. The AC/DC converter converts the alternating-current to a direct-current at a converter-output. The one or more controller-circuits are connected with the converter-output and control a signal indicative of a desired-power-level delivered for a desired-time. The silicon-controlled-rectifier is connected with the power-input-channel and controls an SCR-output-voltage to an SCR-output-channel proportional to the signal. The transformer reduces the SCR-output-voltage from a primary-side to a secondary-voltage on a secondary-side. The pair of output-leads are connected with poles of the secondary-side. A solder-joint is disposed between the pair of output-leads. The one or more controller-circuits determine the signal applied to the silicon-controlled-rectifier required to melt the solder-joint based on the desired-power-level and the desired-time, thereby melting the solder-joint disposed between the pair of output-leads.

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Norton, MA, United States of America

Gordon Olson