Patent ID: 9108522
Filing Date: 2015-08-18
Classification: B60L,Y02T

Abstract:
1. A vehicle-mounted controller mounted on a vehicle, wherein the vehicle includes a high-voltage battery, vehicle-mounted information equipment, a low-voltage battery, and a voltage converter, the high-voltage battery is configured to be charged by electric power supply from external charging equipment via a charging cable and is configured to supply operation power to a motor configured to generate drive power, the vehicle-mounted information equipment is configured to perform communication, via the charging cable, with the external charging equipment or an external information device connected to the external charging equipment, the low-voltage battery is configured to supply the operation power to a vehicle-mounted auxiliary machine including at least the vehicle-mounted information equipment, and the voltage converter is configured to perform voltage conversion between the high-voltage battery and the low-voltage battery, the vehicle-mounted controller comprising: a communication state determination unit configured to determine whether or not the vehicle-mounted information equipment performs the communication with the external charging equipment or the external information device via the charging cable; and a battery charging control unit configured to control, in a case where the communication state determination unit determines that the vehicle-mounted information equipment performs the communication with the external charging equipment or the external information device via the charging cable, the voltage converter so as to charge the low-voltage battery by supplying electric power from the high-voltage battery to the low-voltage battery when a first specific time has elapsed since start of the communication.