US 11,938,832 B2
Charging station with multiple charging plug and circuit for charging station
Huali Zhang, Anhui (CN); and Xiangfa Liu, Anhui (CN)
Assigned to Sungrow Power Supply Co., Ltd., Hefei (CN)
Filed by Sungrow Power Supply Co., Ltd., Hefei (CN)
Filed on Aug. 23, 2021, as Appl. No. 17/408,551.
Claims priority of application No. 202011102702.2 (CN), filed on Oct. 15, 2020.
Prior Publication US 2022/0118864 A1, Apr. 21, 2022
Int. Cl. B60L 53/16 (2019.01); B60L 53/10 (2019.01); B60L 53/30 (2019.01); H02J 7/00 (2006.01); H02J 7/02 (2016.01)
CPC B60L 53/16 (2019.02) [B60L 53/11 (2019.02); B60L 53/30 (2019.02); H02J 7/0024 (2013.01); H02J 7/02 (2013.01); B60L 2210/10 (2013.01); B60L 2210/30 (2013.01)] 11 Claims
OG exemplary drawing
 
1. A circuit for a charging station with multiple charging plugs, comprising a power distribution unit, a control unit, one alternating current (AC)/direct current (DC) unit and at least two DC/DC units, wherein
the AC/DC unit is connected with an input end of each of the DC/DC units via a bus;
an output end of each of the DC/DC units is connected to a corresponding charging plug port via the power distribution unit; and
the control unit is configured to detect an output voltage of each of the DC/DC units, and control the power distribution unit to operate according to the output voltage of each of the DC/DC units and a power requirement of a charging plug port, to cause at least one of the DC/DC units to be connected to the charging plug port to achieve power distribution of the charging plug port,
wherein the power distribution unit comprises at least one of a parallel branch that connects the output ends of the DC/DC units in parallel and a series branch that connects the output ends of the DC/DC units in series, wherein the parallel branch and the series branch each is provided with a controllable switch.