| 摘要 |
PURPOSE:To prevent smoking, ignition in a heater by providing a power interruption detector and an auxiliary power source in the heater, driving a printed board conveyor by the power source, and conveying out a printed board out of the heater. CONSTITUTION:If a printed board 6 conveyed by a printed board conveyor 7 remains in a heater due to power interruption, a power interruption detector 3 detects power interruption, and switches an outer power source 5 to an auxiliary power source 4. Power is supplied to a driving motor 10 of the conveyor 7 by the power source 4 to drive the conveyor 7, thereby conveying out the board 6 in the heater. |
