Power supply master control device and system

• Main Authors: ZHOU SHIJING, ZHANG SHENG, ZHANG PEI, ZHANG YAOQIANG, WU YAXING, CHEN CHUANQUN
• Format: Patent
• Language: Chinese; English
• Published: 11.08.2023
• Subjects: PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL; VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISEPROVIDED FOR

The invention discloses a power supply master control device and a power supply master control system, and relates to the field of vehicles. When the second controllable switch is switched off according to the operation of a user in a cab and/or a key control signal transmitted by the key power supply circuit and a generator control signal transmitted by the generator power supply circuit are not transmitted to the second controllable switch in an emergency, the plurality of ignition switches are switched off; the ignition load connected with the ignition switch is powered off by switching off the second controllable switch in case of emergency; in addition, a first controllable switch is further arranged, and when the second controllable switch is switched off according to user operation and/or the key control signal and the generator control signal are not transmitted to the second controllable switch, the first controllable switch is switched off; when an emergency occurs, the second controllable switch is