发明名称 |
POWER SOURCE DEVICE FOR VEHICLE |
摘要 |
A vehicle power source device reliably turns on a high voltage battery even if the output voltage of a low-voltage ancillary battery drops at the start of driving the vehicle. A request to run on a high-voltage battery (to turn on a relay contact point) is made by means of the operation to start driving a vehicle. A low-voltage ancillary battery and an auxiliary battery supply power to a power source circuit. A relay control unit supplied with power from the power source circuit turns on the relay contact point and turns on the high-voltage battery. When the high-voltage battery is on, the auxiliary battery is charged by means of a step-down circuit. The auxiliary battery holds the charged power by means of a diode without the power being consumed by a group of low-voltage loads. |
申请公布号 |
US2014091619(A1) |
申请公布日期 |
2014.04.03 |
申请号 |
US201214119690 |
申请日期 |
2012.06.25 |
申请人 |
YOSHIMI NOBUHIKO;AUTONETWORKS TECHNOLOGIES, LTD.;SUMITOMO ELECTRIC INDUSTRIES, LTD.;SUMITOMO WIRING SYSTEMS, LTD. |
发明人 |
YOSHIMI NOBUHIKO |
分类号 |
B60L1/00 |
主分类号 |
B60L1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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