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公开(公告)号：US20140139055A1
公开(公告)日：2014-05-22
申请号：US14106609
申请日：2013-12-13
摘要： According to an aspect of the invention, an electric power tool which includes a brushless direct-current motor and a drive circuit that supplies drive power to the motor, and which rotates or drives a tool, characterized in that the drive circuit includes plural switching elements, and is arranged on a board provided in a grip portion of a housing or below the grip portion; and an electric fan is provided in the vicinity of the switching element for cooling the switching element.
摘要翻译： 根据本发明的一个方面，一种电动工具，其包括无刷直流电动机和向电动机提供驱动力并驱动或驱动工具的驱动电路，其特征在于，所述驱动电路包括多个开关元件 并且布置在设置在壳体的握持部分中或在握持部分下方的板上; 并且在开关元件附近设置电风扇以冷却开关元件。
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公开(公告)号：USD721938S1
公开(公告)日：2015-02-03
申请号：US29459018
申请日：2013-06-25
设计人： Yoshiki Aoki , Masanori Okada , Hiroyuki Hasegawa , Hiroki Uchida
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公开(公告)号：US20150022125A1
公开(公告)日：2015-01-22
申请号：US14380251
申请日：2013-03-13
发明人： Nobuhiro Takano , Tetsuhiro Harada , Yoshio Iimura , Tomomasa Nishikawa , Hiroki Uchida , Yoshihiro Nakano
IPC分类号： H02P6/08
摘要： An electric tool for driving a tip tool, the electric tool includes: a removable battery; the brushless motor configured to generate a driving force for driving the tip tool; an inverter circuit configured to supply drive power from the removable battery to the brushless motor using a plurality of semiconductor switching elements; a controller configured to control the inverter circuit to control rotation of the brushless motor; a temperature detector configured to detect a temperature of the brushless motor or the semiconductor switching elements; and a voltage detector configured to detect a voltage of the battery. The brushless motor is driven such that a duty ratio of PWM drive signal for driving the semiconductor switching elements is determined based on relationship between the temperature detected by the temperature detector and the voltage detected by the voltage detector.
摘要翻译： 一种用于驱动尖端工具的电动工具，电动工具包括：可拆卸电池; 所述无刷电动机构造成产生用于驱动所述尖端工具的驱动力; 逆变器电路，被配置为使用多个半导体开关元件将可移除电池的驱动电力提供给无刷电动机; 控制器，被配置为控制所述逆变器电路以控制所述无刷电动机的旋转; 温度检测器，被配置为检测所述无刷电动机或所述半导体开关元件的温度; 以及电压检测器，被配置为检测电池的电压。 基于由温度检测器检测的温度与由电压检测器检测到的电压之间的关系来确定用于驱动半导体开关元件的PWM驱动信号的占空比来确定无刷电动机。
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公开(公告)号：US20140145524A1
公开(公告)日：2014-05-29
申请号：US14090299
申请日：2013-11-26
CPC分类号： H02K7/145 , B25B21/02 , B25B23/1475 , H02K1/2706
摘要： An electric power tool including: a motor; and a rotary impact mechanism configured to be driven by the motor, wherein the motor is configured such that a rotation speed thereof can be set within a range of 14600 to 19000 min−1 when a motor torque is within a torque range during practical operation.
摘要翻译： 一种电动工具，包括：电动机; 以及构造成由所述电动机驱动的旋转冲击机构，其中，所述电动机被构造为使得当电动机转矩在实际操作期间在转矩范围内时，其转速可以设定在14600至19000分钟-1的范围内。
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公开(公告)号：US09590475B2
公开(公告)日：2017-03-07
申请号：US14106609
申请日：2013-12-13
摘要： According to an aspect of the invention, an electric power tool which includes a brushless direct-current motor and a drive circuit that supplies drive power to the motor, and which rotates or drives a tool, characterized in that the drive circuit includes plural switching elements, and is arranged on a board provided in a grip portion of a housing or below the grip portion; and an electric fan is provided in the vicinity of the switching element for cooling the switching element.
摘要翻译： 根据本发明的一个方面，一种电动工具，其包括无刷直流电动机和向电动机提供驱动力并驱动或驱动工具的驱动电路，其特征在于，所述驱动电路包括多个开关元件 并且布置在设置在壳体的握持部分中或在握持部分下方的板上; 并且在开关元件附近设置电风扇以冷却开关元件。
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公开(公告)号：US20150357612A1
公开(公告)日：2015-12-10
申请号：US14760603
申请日：2014-01-14
IPC分类号： H01M2/10
CPC分类号： H01M2/1055 , B25F5/00 , H01M2220/30
摘要： An electric device body in which a battery pack including a plurality of battery cells and a plurality of first terminals is detachably mounted includes: a housing; a guide mechanism; and a plurality of second terminals; and a pressed portion. The battery pack is configured to be attached to and detached from the housing along a first direction. The guide mechanism is provided at the housing and configured to define the first direction. The plurality of second terminals is configured to be connected to the plurality of first terminals upon attachment of the battery pack to the housing. The pressed portion is configured to be pressed against the battery pack in a second direction intersecting the first direction when the battery pack has been attached to the housing.
摘要翻译： 一种电气装置主体，其中包括多个电池单元的电池组和多个第一端子可拆卸地安装包括：壳体; 指导机制; 和多个第二端子; 和按压部分。 电池组被构造成沿着第一方向附接到壳体并从壳体拆下。 引导机构设置在壳体处并且被配置为限定第一方向。 多个第二端子被配置为在将电池组附接到壳体时连接到多个第一端子。 按压部分构造成当电池组已经附接到壳体时沿与第一方向交叉的第二方向压靠在电池组上。
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公开(公告)号：USD735006S1
公开(公告)日：2015-07-28
申请号：US29482727
申请日：2014-02-21
设计人： Yoshiki Aoki , Masato Sakai , Rui Akiba , Hiroki Uchida , Masanori Okada , Yoshihiro Komuro
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公开(公告)号：US09774017B2
公开(公告)日：2017-09-26
申请号：US14760603
申请日：2014-01-14
IPC分类号： H01M10/052 , H01M2/10 , B25F5/00
CPC分类号： H01M2/1055 , B25F5/00 , H01M2220/30
摘要： An electric device body in which a battery pack including a plurality of battery cells and a plurality of first terminals is detachably mounted includes: a housing; a guide mechanism; and a plurality of second terminals; and a pressed portion. The battery pack is configured to be attached to and detached from the housing along a first direction. The guide mechanism is provided at the housing and configured to define the first direction. The plurality of second terminals is configured to be connected to the plurality of first terminals upon attachment of the battery pack to the housing. The pressed portion is configured to be pressed against the battery pack in a second direction intersecting the first direction when the battery pack has been attached to the housing.
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公开(公告)号：USD749389S1
公开(公告)日：2016-02-16
申请号：US29459009
申请日：2013-06-25
设计人： Yoshiki Aoki , Masanori Okada , Hiroyuki Hasegawa , Hiroki Uchida
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