| 摘要 |
PROBLEM TO BE SOLVED: To provide a switching device for a power circuit, capable of minimizing power consumption in the concurrent use of a plurality of heaters. SOLUTION: This switching device for power circuit supplies power to respective heaters in a prescribed order and at prescribed intervals of time, at supplying of power to a plurality of heaters, and comprises a power supply means (2), formed with power supply parts (4) in number, corresponding to that of the heaters requiring a power supply and a switching part (3), which controls the operation of the power supply parts (4) for supplying power to the respective heaters via the power supply parts (4) in the prescribed order and at the prescribed intervals. |
