| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an induction heating cooker, capable of achieving, with respect to boiling-off, prevention of breakage of equipment due to penetration of soup or the like and improvement in safety of a user. <P>SOLUTION: An infrared sensor 1 directly receives infrared ray emitted from a side surface of a heating object 3 and outputs a temperature signal proportional to the amount of infrared ray. A temperature detection means 6 converts the temperature signal from the sensor 1 to temperature information. A control means 8 acquires temperature information detected by the detection means 6, and calculates a temperature reduction based on this temperature information and the previous temperature information stored in a storage means 9. The control means 8 further determines the occurrence of boiling-off when the calculated temperature reduction exceeds a preset threshold (lower limit value), and controls an inverter 5 to reduce the current carried to an induction heating coil 2 or stop the supply of current. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
