INDUCTION HEATING APPARATUS

摘要

PROBLEM TO BE SOLVED: To provide an induction heating apparatus excellent in convenience which can perform the temperature control of a heated body with high accuracy by controlling the effect by the self-heating of a heating coil. SOLUTION: The induction heating apparatus comprises a first heating coil by which an iron-based heated body can be heated and the heated body having conductivity nearly equal to or higher than that of aluminum can be heated, and a second heating coil by which the iron-based heated body can be heated but the heated body having conductivity nearly equal to or higher than that of aluminum can not be heated, a first inverter circuit by which a high-frequency current is supplied to the first heating coil, and a second inverter circuit by which the high-frequency current is supplied to the second heating coil. A temperature controlling means for controlling the temperature of the heated body to the temperature corresponding to the control target temperature is constituted so as to work only on the iron-based heated body heated by the first heating coil. COPYRIGHT: (C)2004,JPO