US 12,132,278 B2
Unlocking circuit for charging station when powered off
Xin Chen, Anhui (CN); Yuefeng Yang, Anhui (CN); and Linchong Xu, Anhui (CN)
Assigned to Sungrow Power Supply Co., Ltd., Hefei (CN)
Filed by Sungrow Power Supply Co., Ltd., Hefei (CN)
Filed on Jul. 20, 2021, as Appl. No. 17/380,108.
Claims priority of application No. 202011157102.6 (CN), filed on Oct. 26, 2020.
Prior Publication US 2022/0131317 A1, Apr. 28, 2022
Int. Cl. B60L 53/16 (2019.01); H01R 13/639 (2006.01); H01R 13/70 (2006.01)
CPC H01R 13/639 (2013.01) [B60L 53/16 (2019.02); H01R 13/70 (2013.01); H01R 2201/26 (2013.01)] 16 Claims
OG exemplary drawing
 
1. An unlocking circuit for a charging station when powered off, wherein the unlocking circuit comprises:
a first signal processing circuit configured to: receive a first level signal outputted by a first output control terminal of a microcontroller unit when an auxiliary power supply of the charging station is cut off; and generate, based on the first level signal, a first control signal for unlocking an electronic lock;
a second signal processing circuit configured to: receive a second level signal outputted by a second output control terminal of the microcontroller unit when the auxiliary power supply is cut off; and generate, based on the second level signal, a second control signal, wherein the second control signal comprises information about action effectiveness of the electronic lock; and
an action execution circuit configured to receive the first control signal and the second control signal, and respond to the first control signal and the second control signal to unlock the electronic lock.