Patent ID: 8106328

Claim:
A method for quick temperature compensation for an electric soldering iron, wherein a temperature sensor element and a heating core are installed in a soldering iron head of the electric soldering iron, the method comprising: generating a temperature detection signal corresponding to a relative temperature value of the temperature sensor element inside the soldering iron head; generating a temperature setting signal according to a setting temperature of the electronic soldering iron; generating a temperature additional signal according to a first temperature regulation and control signal at time t; implementing a difference operation to generate a second temperature regulation and control signal at time t+Δt, wherein input signals of the difference operation comprise the temperature detection signal, the temperature setting signal, and the temperature additional signal generated at time t; integrally and comparatively amplifying the second temperature regulation and control signal to generate an amplified second temperature regulation and control signal; damping and photoelectrically coupling the amplified second temperature regulation and control signal to a controlled switching power source; outputting a corresponding electronic power to the heating core within the soldering iron head by the controlled switching power source according to the amplified second temperature regulation and control signal that is photoelectrically coupled to the controlled switching power source.