US 12,252,339 B2
Article transport vehicle and article transport facility
Ki Sub Yoon, Suwon-si (KR)
Assigned to SEMES CO., LTD., Cheonan-si (KR)
Filed by SEMES CO., LTD., Cheonan-si (KR)
Filed on Aug. 30, 2021, as Appl. No. 17/461,706.
Claims priority of application No. 10-2020-0110399 (KR), filed on Aug. 31, 2020.
Prior Publication US 2022/0063909 A1, Mar. 3, 2022
Int. Cl. B60L 53/12 (2019.01); B60L 5/00 (2006.01); B60L 53/122 (2019.01); B65G 1/04 (2006.01); B60L 58/15 (2019.01)
CPC B65G 1/0421 (2013.01) [B60L 5/005 (2013.01); B60L 53/122 (2019.02); B60L 58/15 (2019.02); B60L 2200/26 (2013.01); B60L 2240/54 (2013.01)] 18 Claims
OG exemplary drawing
 
1. An article transport vehicle comprising:
a vehicle main body configured to transport an article while traveling along a traveling rail;
a first power source device configured to receive power from an electric supply line installed at the traveling rail and supply the power to the vehicle main body; and
a second power source device comprising a battery and a power sharing module disposed on the vehicle main body, the second power source device being configured to supply power, stored in the battery, to the vehicle main body,
wherein the second power source device further comprises a power control unit,
wherein the power control unit is configured to control a supply of power so that the power stored in the battery is supplied to the vehicle main body when a supply of power from the first power source device to the vehicle main body is cut off, and
wherein when the supply of power from the first power source device to the vehicle main body is cut off and an amount of power stored in the battery is sufficient, the power control unit is configured to control the power sharing module to provide power to another vehicle in which the amount of power stored in the battery is equal to or smaller than a predetermined amount of power or no power is stored in the battery.