US 10,926,346 B2Granted

Resistance soldering system

AssigneeAntaya Technologies Corporation

InventorsGordon Olson, Michael E. Wheaton, William Falk

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Abstract

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.

Claims18

Dependent claims

A resistance soldering system, comprising:

a power input channel receiving an alternating current from a power source;
an AC-to-DC converter in electrical communication with the power input channel and converting a portion of the alternating current to a direct current at a converter output;
one or more controller circuits in electrical communication with the converter output, the one or more controller circuits controlling a signal indicative of a desired power level delivered for a desired time;
a silicon-controlled rectifier in electrical communication with the power input channel, the converter output, and the signal and controlling an SCR output voltage to an SCR output channel proportional to the signal;
a transformer having a primary side and a secondary side, the primary side in electrical communication with the SCR output channel, the transformer reducing the SCR output voltage from the primary side to a secondary voltage on the secondary side;
and
a pair of output leads in electrical communication with poles of the secondary side of the transformer and configured to apply the secondary voltage to a solder joint disposed between the pair of output leads,
wherein 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 and wherein the one or more controller circuits controls the desired power level independent of the desired time.

5 more elements

A method of operating a resistance soldering system, comprising:

receiving an alternating current from a power source with a power input channel;
converting a portion of the alternating current to a direct current at a converter output with an AC-to-DC converter in electrical communication with the power input channel;
controlling a signal indicative of a desired power level delivered for a desired time with one or more controller circuits in electrical communication with the converter output;
controlling an SCR output voltage to a SCR output channel proportional to the signal with a silicon-controlled rectifier in electrical communication with the power input channel, the converter output, and the signal;
reducing, with a transformer having a primary side and a secondary side, the primary side in electrical communication with the SCR output channel, the SCR output voltage from the primary side to a secondary voltage on the secondary side;
applying, with a pair of output leads in electrical communication with poles of the secondary side of the transformer, the secondary voltage to a solder joint disposed between the pair of output leads;
and
determining, with the one or more controller circuits, 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, wherein the one or more controller circuits controls the desired time independent of the desired power level.

5 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/012,919Filed 20 Jun 2018
Published: US 2019/0388990 A126 Dec 2019
Granted: 23 Feb 2021
Term ends: Not estimatedThe source records don’t support an estimate.

Classification10 codes

B23K 1/0004
Soldering, e.g. brazing, or unsoldering: resistance soldering
B23K 3/08
Tools, devices or special appurtenances for soldering, e.g. brazing, or unsoldering, not specially adapted for particular methods: auxiliary…
B23K 3/033
Electrically heated: comprising means for controlling or selecting the temperature or power
B23K 3/0376
Electrically heated: comprising carbon heating elements or electrodes