| 摘要 |
PROBLEM TO BE SOLVED: To provide an electromagnetic induction heating device having a wide power limit range inexpensively.SOLUTION: In an electromagnetic induction heating device including a top plate on which a heated object is mounted, a heating coil disposed on the under side of the top plate, and induction heating the heated object, a resonance circuit constituted of the heating coil and a resonance capacitor, and a high frequency inverter for driving the resonance circuit, the high frequency power supply is a current or voltage inverter, including power control means for lowering the power by increasing the frequency, and the conductor of the heating coil is composed of aluminum or an aluminum alloy, and the cross-sectional area of the conductor of the heating coil is 4.4-5.5 mm.SELECTED DRAWING: Figure 1 |
