| 发明名称 |
CHARGING APPARATUS FOR SECONDARY BATTERY |
| 摘要 |
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. |
| 申请公布号 |
US2014197780(A1) |
申请公布日期 |
2014.07.17 |
| 申请号 |
US201414148089 |
申请日期 |
2014.01.06 |
| 申请人 |
MAKITA CORPORATION ;TAMURA CORPORATION |
发明人 |
IMAMURA Koji;YAMAMOTO Takeshi;TABUCHI Yasuhiro;KOBAYASHI Makihiro |
| 分类号 |
H02J7/00 |
主分类号 |
H02J7/00 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A charging apparatus for a secondary battery, comprising:
a power supply circuit connected to a primary winding of a transformer; a main winding and a sub winding connected to a secondary side of the transformer; a charging circuit connected to the main winding, the charging circuit supplying power to a battery pack to be charged; and a control circuit connected to the sub winding, the control circuit controlling the charging circuit, wherein the charging circuit comprises a LED indicating a standby state or a charge completion state, the LED being lighted at light-load time of the charging circuit based on a command of the control circuit. |
| 地址 |
Anjo-shi JP |
