US 12,221,002 B2
Charging system and charging device
Yamato Niwa, Kariya (JP)
Assigned to TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed by TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota (JP)
Filed on Apr. 18, 2022, as Appl. No. 17/722,816.
Claims priority of application No. 2021-088399 (JP), filed on May 26, 2021.
Prior Publication US 2022/0379754 A1, Dec. 1, 2022
Int. Cl. B60L 53/302 (2019.01); B60L 53/31 (2019.01); F24F 7/06 (2006.01); H02J 7/00 (2006.01)
CPC B60L 53/302 (2019.02) [B60L 53/31 (2019.02); F24F 7/06 (2013.01); H02J 7/0042 (2013.01)] 6 Claims
OG exemplary drawing
 
1. A charging system for charging a power storage device installed on a vehicle, the charging system comprising:
a charging device that is movable and configured to be switchable between a state in which the charging device is stored underground and a state in which the charging device is exposed aboveground;
an exhaust heat pipe provided underground; and
a heat utilization device that is connected to an opening of the exhaust heat pipe underground, and is configured to utilize exhaust heat supplied from the exhaust heat pipe and raise a temperature of a battery of the vehicle,
wherein the charging device includes a connecting device that is electrically connectable with the power storage device, a power supply circuit configured to supply electric power to the connecting device, an exhaust heat port connected to the exhaust heat pipe, a cooling fan, and a central processing unit configured to cause the cooling fan to be driven in accordance with a control signal and in response to satisfying a predetermined condition, the predetermined condition including the charging device being in use or a predetermined time not passing since use of the charging device, the predetermined time being set as a length of time to lower a temperature of the power supply circuit to a level lower than a predetermined temperature.