| 摘要 |
PROBLEM TO BE SOLVED: To inhibit heat from a heat generation component, which is transmitted to a thermopile which detects a temperature of a heated object in a non-contact manner.SOLUTION: An induction heating cooker comprises: a top plate 2 for placing a heated object 300; a heating coil 320 provided below the top plate 2, for heating the heated object 300; an inverter circuit 310 for supplying power to the heating coil 320; an optical sensor unit 20 including a thermopile 20d for arranged below the top plate 2, for receiving infrared rays radiated from the heated object across the top plate 2 and a heat generating component 20b for amplifying an output signal from the thermopile 20d on the same substrate 20a; and control means 307 for controlling heating power of the heating coil 320 based on an output signal of the optical sensor unit 20, in which an opening 20c is provided on the substrate 20a at a place crossing a straight line which links the thermopile 20d and the heat generating component 20b. |
