Iron-tip temperature detector of electric soldering iron

Details Iron-tip temperature detector of electric soldering iron Iron-tip temperature detector of electric soldering iron

1994-03-24

1995-05-02

Jeffery, John A.

Electric heating

Heating devices

Tool or instrument

228 51, 126236, H05B 100, H05B 342

Patent

active

054121787

ABSTRACT:
A contact point of a thermocouple sensor is welded to the nose of an iron tip of an electric soldering iron, and sensor wires of the sensor are laid along the surface of the iron tip through a groove to a columnar base of the iron tip. The columnar base of the iron tip is covered, together with the sensor wires situated on its outer surface, with a heater cover. A heater is fitted in an axial bore in the base of the iron tip. The temperature of the iron tip is directly detected by the thermocouple sensor, and on the basis of the detection and a reference temperature, an arithmetic processing is carried out by a signal processor of the temperature controller. Such arithmetic processing is used by the temperature controller to control the electric power supplied to the heater to cause the temperature of the iron tip to coincide with the reference temperature.

REFERENCES:
patent: 5062564 (1991-11-01), Urban
patent: 5297716 (1994-03-01), Smith et al.

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