Patent ID: 8471183
Filing Date: 2013-06-25
Classification: G03G,H05B

Abstract:
1. An induction heating apparatus comprising: a current supply unit configured to supply a high-frequency current to a coil for inductively heating a conductive heating element based on a direct current obtained by rectifying AC power supplied from an AC power supply; a driving unit configured to output a drive pulse for supplying the high-frequency current from the current supply unit; a voltage detection unit configured to detect an input voltage of the AC power supply; a current detection unit configured to detect an input current of the current supply unit; a temperature detection unit configured to detect a temperature of the conductive heating element; a control unit configured to control a frequency of the drive pulse output by the driving unit based on an output of the temperature detection unit, an output of the voltage detection unit, and an output of the current detection unit; and a power limiting unit configured to stop an operation of the driving unit based on the output of the voltage detection unit and the output of the current detection unit, wherein the power limiting unit comprises: