US 11,658,504 B2
Charge circuit, control box and luminaire
Yi Huang, Shenzhen (CN); Xiangjun Zhou, Shenzhen (CN); and Yi Xie, Shenzhen (CN)
Assigned to Aputure Imaging Industries Co., Ltd., Shenzhen (CN)
Filed by Aputure Imaging Industries Co., Ltd., Shenzhen (CN)
Filed on Dec. 16, 2020, as Appl. No. 17/123,322.
Claims priority of application No. 202020785554.8 (CN), filed on May 13, 2020.
Prior Publication US 2021/0359538 A1, Nov. 18, 2021
Int. Cl. H02J 7/04 (2006.01); H02J 7/00 (2006.01); F21V 23/00 (2015.01)
CPC H02J 7/04 (2013.01) [F21V 23/003 (2013.01); H02J 7/0013 (2013.01); H02J 7/0047 (2013.01); H02J 7/007192 (2020.01)] 12 Claims
OG exemplary drawing
 
1. A charge circuit, comprising:
at least one constant current charge circuit, wherein the constant current charge circuit is configured to electrically connect with a rechargeable battery;
a control circuit electrically connected to the constant current charge circuit, and wherein the control circuit is further configured to be electrically connected to the rechargeable battery, to obtain its corresponding specification information, and to configure corresponding charging parameters to be sent to the constant current charge circuit, so as to charge the rechargeable battery through the constant current charge circuit; and
a plurality of switch chips, each of the switch chips is connected to a corresponding constant current charge circuit in a one-to-one relationship, and input pins of a plurality of the switch chips are connected in common to the control circuit, the switch chip is configured to be switched on when receiving a switch signal output by the control circuit to instruct the corresponding constant current charge circuit to work.