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1.传统安全控制方案及存在问题(1)传统安全控制方案目前,挖掘机广泛采用传统的GPS终端锁车安全控制方案。点火开关发出的柴油机启动信号,需经过GPS终端内部继电器常闭触点,才能到达柴油机启动继电器,以使启动继电器控制启动机是否能启动柴油机。GPS终端还通过CAN总线向中央控制器发送是否锁车数据帧,中央控制器综合挖掘机安全实时状态,调节柴油机转速。普通喷油泵柴油机挖掘机配置普通喷油泵
1 traditional safety control programs and problems (1) the traditional security control program At present, excavators widely used traditional GPS terminal locking vehicle safety control program. Ignition switch issued by the diesel engine start signal, need to go through the GPS terminal normally closed relay contacts to reach the diesel starter relay, so that the start relay control starter can start the diesel engine. GPS terminal also sends to the central controller through the CAN bus whether to lock the data frame, the central controller integrated excavator safety real-time status, adjust the diesel engine speed. Ordinary injection pump diesel excavator configuration common injection pump