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1. 发明申请

US20150188332A1 Backpack-Type Power Supply 审中-公开
标题翻译：背包式电源
公开(公告)号：US20150188332A1
公开(公告)日：2015-07-02
申请号：US14410699
申请日：2013-07-04
申请人： Hitachi Koki Co., Ltd.
发明人： Yasushi Nakano , Yuki Horie , Yukihiro Shima , Takao Aradachi , Kazuhiko Funabashi , Takuya Yoshinari , Haruhisa Fujisawa
IPC分类号： H02J7/00
CPC分类号： H02J7/0013 , A45F2003/045 , A45F2003/146 , B25F5/00 , H02J7/0004 , H02J7/0042 , H02J7/0052 , H02J7/0054 , H02J7/0068 , H02J2007/0001
摘要： A rechargeable system includes: a charger (4); a battery pack (1); an adapter (3) configured to be electrically connected between the charger (4) and the battery pack (1), a cable (58) configured to be electrically connected between the battery pack (1) and the adapter. A battery-side microcomputer (526) controls the shutdown circuit (523) such that the shutdown circuit (523) disconnects the at least one of the positive terminal (5a) of the battery pack and the negative terminal (5b) of the battery pack (1) from the rechargeable battery (51) when detection of the battery-side microcomputer (526) indicates occurrence of at least one of two following events: one event is such that the rechargeable battery (51) is fully charged. Another event is such that the rechargeable battery (51) has some errors.
摘要翻译：可充电系统包括：充电器（4）; 电池组（1）; 被配置为电连接在所述充电器（4）和所述电池组（1）之间的适配器（3），被配置为电连接在所述电池组（1）和所述适配器之间的电缆（58）。电池侧微型计算机（526）控制关闭电路（523），使得关断电路（523）断开电池组的正极端子（5a）和电池组件的负极端子（5b）中的至少一个当检测到电池侧微型计算机（526）表示发生以下两个以下事件中的至少一个时，来自可充电电池（51）的电池（1）：一个事件是可再充电电池（51）充满电。另一个事件是可再充电电池（51）具有一些错误。

2. 发明申请

US20150061549A1 BATTERY PACK, POWER TOOL AND BATTERY CHARGER 审中-公开
标题翻译：电池组，电动工具和电池充电器
公开(公告)号：US20150061549A1
公开(公告)日：2015-03-05
申请号：US14458505
申请日：2014-08-13
申请人： HITACHI KOKI CO., LTD.
发明人： Yukihiro Shima
IPC分类号： H02J7/00
CPC分类号： H02J7/0031 , H01M10/0525 , H01M2200/30 , H02J7/04 , H02J2007/0037 , H02J2007/004
摘要： A battery pack includes: a plus terminal and a minus terminal; a secondary battery; and a booster. The secondary battery has a rated voltage and is configured to output a battery voltage across the plus terminal and the minus terminal. A charging device and a discharging device are selectively connectable to the plus terminal and the minus terminal. The charging device charges the secondary battery. The discharging device performs a job with the battery voltage supplied from the secondary battery. The booster is configured to boost the battery voltage to a voltage greater than the rated voltage. The voltage boosted is used as a control voltage for either connecting the secondary battery to or disconnecting the secondary battery from the charging device or the discharging device.
摘要翻译：电池组包括：正端子和负端子; 二次电池; 和助推器。二次电池具有额定电压，并配置为在正极端子和负极端子之间输出电池电压。充电装置和放电装置可选择性地连接到正极端子和负极端子。充电装置对二次电池充电。放电装置利用从二次电池供给的电池电压进行作业。升压器被配置为将电池电压升高到大于额定电压的电压。升压的电压用作将二次电池连接到充电装置或放电装置或从充电装置或放电装置断开二次电池的控制电压。

3. 发明授权

US10486295B2 Power tool 有权
公开(公告)号：US10486295B2
公开(公告)日：2019-11-26
申请号：US15034667
申请日：2014-11-26
申请人： Hitachi Koki Co., Ltd.
发明人： Takao Aradachi , Tomoaki Sudo , Yukihiro Shima
IPC分类号： B25F5/00 , H02K7/14 , H02K11/33 , H02P29/40
CPC分类号： B25F5/00 , H02K7/145 , H02K11/33 , H02P29/40
摘要： A power tool includes a motor, a connecting unit, and a controller. The connecting unit is configured to be connected to a secondary battery. A voltage detection unit is configured to detect a voltage of the secondary battery connected to the connecting unit. The controller is configured to acquire change of the detected voltage. The controller restricts the operation of the motor when the change of the voltage is a first value.

4. 发明申请

US20160297059A1 POWER TOOL 审中-公开
标题翻译：电动工具
公开(公告)号：US20160297059A1
公开(公告)日：2016-10-13
申请号：US15034667
申请日：2014-11-26
申请人： HITACHI KOKI CO., LTD.
发明人： Takao Aradachi , Yukihiro Shima
IPC分类号： B25F5/00 , H02K7/14 , H02K11/33 , H02P29/40
摘要： A power tool includes a motor, a connecting unit, and a controller. The connecting unit is configured to be connected to a secondary battery. A voltage detection unit is configured to detect a voltage of the secondary battery connected to the connecting unit. The controller is configured to acquire change of the detected voltage. The controller restricts the operation of the motor when the change of the voltage is a first value.
摘要翻译：电动工具包括电动机，连接单元和控制器。连接单元被配置为连接到二次电池。电压检测单元被配置为检测连接到连接单元的二次电池的电压。控制器被配置为获取检测到的电压的变化。当电压变化为第一值时，控制器限制电动机的操作。

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