| 摘要 |
<P>PROBLEM TO BE SOLVED: To surely interrupt an output from a battery under an abnormal state, while realizing durability of a connector. <P>SOLUTION: A car power source apparatus has a contactor 2, connected on the output side of a battery 1 and a pre-charge circuit 3, connected to the contactor 2 and constituted of the series circuit of a pre-charge resistor 6 pre-charge a capacitor 21, connected on the car side of the battery 1 and a pre-charge relay 7. The power supply device for the car, further, has a control circuit 4 for controlling the contactor 2 and the pre-charge relay. The pre-charge resistor 6 is connected in parallel with the contactor 2, and the contactor 2 and the pre-charge relay 7 are connected in series. The control circuit 4 turns on the pre-charge relay 7, by switching and pre-charges the car-side capacitor 21, and turns on the contactor 2 by switching and connects the battery 1 on the car side. <P>COPYRIGHT: (C)2009,JPO&INPIT |
