| 摘要 |
PURPOSE:To provide a low temperature storage which prevents the complete discharge of a battery. CONSTITUTION:A microcomputer 46 and a DC fan motor 14 are driven by a battery as their power source under the condition that an AC power source is cut off. The microcomputer 46 executes cold insulation operation which controls the operation of the DC fan motor for five hours after the AC power source is cut off. In the case when there is no connection of the AC power source for 72 hours after the end of this cold insulation operation, the supply to the microcomputer itself is also cut off. |
