发明名称 POWER SUPPLY CONTROL CIRCUIT FOR WORK MACHINE
摘要 <P>PROBLEM TO BE SOLVED: To provide a power supply control circuit for work machine capable of completely preventing a battery from being exhausted by automatically stopping power consumption after transiting to an idle stop state. <P>SOLUTION: A power supply control circuit includes a self-hold relay 8 directly driven by an output of a relay driving signal from a main controller 6 and self-hold relays 10, 12 driven interlocking with the relay 8, which are connected to an electric circuit for connecting a key-on power supply with a main controller 6 and an electric circuit for connecting an accessory power supply with an accessory 2. The main controller 6, when a gate lock switch 6 is switched to a lock position with an engine driven, outputs an engine stop signal to stop the engine after the lapse of a predetermined time, and outputs a relay driving signal and switches the relay 8 to a conduction state and the relays 10, 12 to a non-conduction state. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2012170182(A) 申请公布日期 2012.09.06
申请号 JP20110027266 申请日期 2011.02.10
申请人 HITACHI CONSTR MACH CO LTD 发明人 YABUUCHI MOTOYUKI;SHIMAMURA TADATOSHI
分类号 H02J7/00;E02F9/22;H01M10/44 主分类号 H02J7/00
代理机构 代理人
主权项
地址