公开(公告)号：US20140197780A1

公开(公告)日：2014-07-17

申请号：US14148089

申请日：2014-01-06

Applicant: MAKITA CORPORATION ,  TAMURA CORPORATION

Inventor： Koji IMAMURA ,  Takeshi YAMAMOTO ,  Yasuhiro TABUCHI ,  Makihiro KOBAYASHI

IPC: H02J7/00

CPC classification number: H02J7/0052 ,  H02J7/0047 ,  H02J7/027 ,  H02J2007/0049

Abstract: A charging apparatus for a secondary battery comprises: a power supply circuit connected to a primary winding 11a of a transformer T1; a main winding 11b and a sub winding 11c connected to a secondary side of the transformer T1; a charging circuit 110 connected to the main winding 11b, the charging circuit 110 supplying power to a battery pack 130 to be charged; and a control circuit 120 connected to the sub winding 11c, the control circuit 120 controlling the charging circuit 110, wherein the charging circuit 110 comprises a LED 140 indicating a standby state or a charge completion state, the LED 140 being lighted at light-load time of the charging circuit 110 based on a command of the control circuit 120.

Abstract translation: 一种用于二次电池的充电装置包括：电源电路，连接到变压器T1的初级绕组11a; 连接到变压器T1的次级侧的主绕组11b和副绕组11c; 连接到主绕组11b的充电电路110，充电电路110向要充电的电池组130供电; 以及连接到副线圈11c的控制电路120，控制电路120控制充电电路110，其中充电电路110包括指示待机状态或充电完成状态的LED 140，LED 140在轻负载 充电电路110基于控制电路120的指令的时间。