Vehicle power supply management system, power supply management method and vehicle-mounted equipment

• Main Authors: YU CHAO, DI XIANG, JI KANGPING, WANG QIAN, YAN JINGLI, ZHONG YAN
• Format: Patent
• Language: Chinese; English
• Published: 19.03.2024
• Subjects: ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

The invention provides a vehicle power supply management system, a power supply management method and vehicle-mounted equipment, and belongs to the technical field of automobiles. The vehicle power supply management system comprises an acquisition and calculation unit for acquiring battery parameters of a low-voltage battery; the switch driving unit is electrically connected to the acquisition and calculation unit and drives a protection switch to act according to the battery parameters; the control end of the first protection switch is electrically connected to the switch driving unit, and the first protection switch is connected in series in a power supply loop of the low-voltage battery to the high-safety-level load; and the control end of the second protection switch is electrically connected to the switch driving unit, and the second protection switch is connected in series in a power supply loop of the high-voltage power supply system to the high-safety-level load. According to the vehicle power supply