| 摘要 |
PROBLEM TO BE SOLVED: To prevent continuous combustion that grill oil takes fire when it drips down to a lower heater and makes the grill oil accumulated in a tray take fire. SOLUTION: The heating apparatus comprises a voltage measurement means for measuring the voltage value of a conductive route, a resistance calculation means for calculating the resistance value of a heat generation part on the basis of the measured voltage value, a temperature calculation means for calculating the surface temperature of the heat generation part on the basis of the resistance value, and a power control means for controlling power to be supplied to the heat generation part on the basis of the calculated temperature. By controlling a temperature at the heat generation part of a second heating means to be a prescribed temperature or below, combustion when the grill oil drips is prevented. COPYRIGHT: (C)2008,JPO&INPIT
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