| 摘要 |
PROBLEM TO BE SOLVED: To quickly block both a charging current and a discharging current of a battery by a simple structure. SOLUTION: In a power supply device, a pair of contactors 3 equipped with a magnetic circuit 8 to generate a magnetic field of a direction crossing an arc route generated at an off contact point are connected to positive and negative output sides of a battery. In the power supply device, one contactor 3 is connected to the battery 1 reversing connecting terminals 11 of positive and negative output sides. COPYRIGHT: (C)2009,JPO&INPIT |
