公开(公告)号：US20090079434A1

公开(公告)日：2009-03-26

申请号：US12232574

申请日：2008-09-19

申请人： Takeshi Osawa ,  Ryuta Iwasaki

发明人： Takeshi Osawa ,  Ryuta Iwasaki

IPC分类号： G01R31/36

CPC分类号： G01R31/3658 ,  G01R31/007 ,  G01R31/024 ,  G01R31/3606 ,  H01M10/42 ,  H01M10/482

摘要： The car power source apparatus is provided with a leakage detection circuit 3 having a battery 1 with a plurality of battery units 2 connected in series, a first series circuit 11 made up of first leakage detection resistors 12 and a first leakage detection switch 13 to connect the first connection node 10 of the series connected battery units 2 to ground 9, a second series circuit 21 made up of second leakage detection resistors 22 and a second leakage detection switch 23 to connect the second connection node 20 of the series connected battery units 2 to ground 9, and voltage detection circuits 4 to detect voltage of the first leakage detection resistors 12 and the second leakage detection resistors 22. Further, the car power source apparatus is provided with a failure detection circuit 5 to control the first leakage detection switch 13 and the second leakage detection switch 23 ON and OFF and determine failure of the leakage detection circuit 3 from voltages detected by the voltage detection circuits 4.

摘要翻译： 汽车电源装置设有具有串联连接有多个电池单元2的电池1的漏电检测电路3，由第一泄漏检测电阻12和第一泄漏检测开关13构成的第一串联电路11， 将串联连接的电池单元2的第一连接节点10连接到地9，由第二泄漏检测电阻22和第二泄漏检测开关23构成的​​第二串联电路21连接串联连接的电池单元2的第二连接节点20 接地9和电压检测电路4检测第一泄漏检测电阻器12和第二泄漏检测电阻器22的电压。此外，轿厢电源装置设置有故障检测电路5，以控制第一泄漏检测开关13 和第二泄漏检测开关23接通和断开，并且确定泄漏检测电路3的故障不受电压d检测的电压 检查电路4。