公开(公告)号：US08294399B2

公开(公告)日：2012-10-23

申请号：US12734645

申请日：2008-12-01

申请人： Jiro Suzuki ,  Takuya Kusakawa

发明人： Jiro Suzuki ,  Takuya Kusakawa

IPC分类号： H02P1/04 ,  H02P1/24 ,  H02P25/14 ,  H02P7/06 ,  H02P6/00 ,  E21B15/04 ,  E21B3/00 ,  B25D13/00

CPC分类号： B25F5/00 ,  B25B21/02 ,  H02P6/12 ,  H02P6/24 ,  H02P6/28 ,  H02P29/032

摘要： A motor controller comprises a processor selectively outputting an on-signal to either one of an upper arm switching element and a lower arm switching element based upon a detected position by the position sensor, gate drivers inputting a driving voltage to the gates of the switching elements by shifting a level of the on-signal from the processor to the upper arm switching element and a bootstrap capacitor configured to be charged while the upper arm switching element is turned off and to behave as a voltage supply for the gate driver while the upper arm switching element is turned on. The processor is configured to reduce a set duty ratio when the set duty ratio is equal to or larger than a predetermined value (e.g. 80 percents) and a rotational position of the motor does not change for a first predetermined time. This motor controller can prevent the switching element from a burnout even if the motor is locked.

摘要翻译： 电动机控制器包括：处理器基于位置传感器的检测位置，选择性地将接通信号输出到上臂开关元件和下臂开关元件中的任一个，栅极驱动器将驱动电压输入到开关元件的栅极 通过将来自处理器的导通信号的电平移动到上臂开关元件和被配置为在上臂开关元件关闭时被充电并且作为栅极驱动器的电压供应而起作用的自举电容器，而上臂 开关元件导通。 处理器被配置为当设定的占空比等于或大于预定值（例如80％）时减小设定的占空比，并且电动机的旋转位置在第一预定时间内不改变。 即使电机被锁定，该电机控制器也可以防止开关元件烧坏。

公开(公告)号：US08075155B2

公开(公告)日：2011-12-13

申请号：US12289787

申请日：2008-11-04

申请人： Masahiro Watanabe ,  Jiro Suzuki ,  Takuya Kusakawa

发明人： Masahiro Watanabe ,  Jiro Suzuki ,  Takuya Kusakawa

IPC分类号： B25B23/18

CPC分类号： B25F5/00 ,  Y10T307/832 ,  Y10T307/944

摘要： An electric power tool, which comprises a motor that drives a tool, a power source unit that applies voltage to the motor, a main switching circuit that makes/breaks an electrical connection between the power source unit and the motor, an illuminator that illuminates a work spot, a switching device that electrically connects the illuminator to the power source unit, and an OR circuit that is electrically connected to terminals of the motor to the base terminal is provided. The OR circuit electrically connects one of the motor terminals at which a voltage is higher to the base terminal.

摘要翻译： 一种电动工具，其包括驱动工具的电动机，向所述电动机施加电压的电源单元，使所述电源单元和所述电动机之间的电连接断开的主开关电路;照明器 提供了将照明器电连接到电源单元的开关装置和与电动机的端子电连接到基座端子的“或”电路。 OR电路将电压较高的电动机端子之一电连接到基座端子。

公开(公告)号：US20100308764A1

公开(公告)日：2010-12-09

申请号：US12734645

申请日：2008-12-01

申请人： Jiro Suzuki ,  Takuya Kusakawa

发明人： Jiro Suzuki ,  Takuya Kusakawa

IPC分类号： H02P7/06

CPC分类号： B25F5/00 ,  B25B21/02 ,  H02P6/12 ,  H02P6/24 ,  H02P6/28 ,  H02P29/032

摘要： A motor controller comprises a processor selectively outputting an on-signal to either one of an upper arm switching element and a lower arm switching element based upon a detected position by the position sensor, gate drivers inputting a driving voltage to the gates of the switching elements by shifting a level of the on-signal from the processor to the upper arm switching element and a bootstrap capacitor configured to be charged while the upper arm switching element is turned off and to behave as a voltage supply for the gate driver while the upper arm switching element is turned on. The processor is configured to reduce a set duty ratio when the set duty ratio is equal to or larger than a predetermined value (e.g. 80 percents) and a rotational position of the motor does not change for a first predetermined time. This motor controller can prevent the switching element from a burnout even if the motor is locked.

摘要翻译： 电动机控制器包括：处理器基于位置传感器的检测位置，选择性地将接通信号输出到上臂开关元件和下臂开关元件中的任一个，栅极驱动器将驱动电压输入到开关元件的栅极 通过将来自处理器的导通信号的电平移动到上臂开关元件和被配置为在上臂开关元件关闭时被充电并且作为栅极驱动器的电压供应而起作用的自举电容器，而上臂 开关元件导通。 处理器被配置为当设定的占空比等于或大于预定值（例如80％）时减小设定的占空比，并且电动机的旋转位置在第一预定时间内不改变。 即使电机被锁定，该电机控制器也可以防止开关元件烧坏。

公开(公告)号：US08616300B2

公开(公告)日：2013-12-31

申请号：US12457092

申请日：2009-06-01

申请人： Jiro Suzuki ,  Hirokatsu Yamamoto ,  Takuya Kusakawa

发明人： Jiro Suzuki ,  Hirokatsu Yamamoto ,  Takuya Kusakawa

IPC分类号： E02F9/20

CPC分类号： B25F5/021

摘要： A power tool of the present teachings comprises a prime mover that drives a tool, a main switch that causes the prime mover to operate when the main switch is turned on and causes the prime mover to stop operating when the main switch is turned off, an illuminator that lights a working area of the tool, and a lighting mode selector switch for switching the lighting mode of the illuminator between a plurality of lighting modes which include a first lighting mode and a second lighting mode. When the first lighting mode is selected, the illuminator will be turned on for a first predetermined period from the point at which the main switch is turned off. When the second lighting mode is selected, the illuminator will not be turned on during the first predetermined period from the point at which the main switch is turned off.

公开(公告)号：US20090295313A1

公开(公告)日：2009-12-03

申请号：US12453830

申请日：2009-05-22

申请人： Jiro Suzuki ,  Fengying Dong ,  Takuya Kusakawa

发明人： Jiro Suzuki ,  Fengying Dong ,  Takuya Kusakawa

IPC分类号： H02P7/00 ,  H02K7/14 ,  H02P6/08

CPC分类号： B25F5/00 ,  H02H7/0838 ,  H02H7/1213

摘要： A rechargeable power tool includes a direct current motor, a switching circuit, at least one speed setting unit, a duty ratio setting unit, a drive unit, an operation amount detecting unit, an abnormality determining unit, and a determination threshold setting unit. The abnormality determining unit compares an operation amount detected by the operation amount detecting unit and a determination threshold set based on the operation amount to thereby determine whether or not an operation state of the rechargeable power tool is abnormal. The determination threshold setting unit sets the determination threshold in a continuous or stepwise manner in accordance with a rotation speed set by the speed setting unit.

摘要翻译： 可再充电电动工具包括直流电动机，开关电路，至少一个速度设定单元，占空比设定单元，驱动单元，操作量检测单元，异常判定单元和确定阈值设定单元。 异常确定单元将由操作量检测单元检测的操作量和基于操作量设定的确定阈值进行比较，从而确定可充电电动工具的操作状态是否异常。 确定阈值设定单元根据由速度设定单元设定的转速，以连续或逐步的方式设定判定阈值。

公开(公告)号：US20130082631A1

公开(公告)日：2013-04-04

申请号：US13703420

申请日：2011-05-26

申请人： Jiro Suzuki ,  Takuya Kusakawa

发明人： Jiro Suzuki ,  Takuya Kusakawa

IPC分类号： H02H7/093

CPC分类号： H02H7/093 ,  B25B21/02 ,  B25F5/00 ,  H02P6/12 ,  H02P29/0241

摘要： A lock state occurrence determination apparatus includes a counter, a reset device, a reference time changing device, a lock state determination device, and an invalidation device. The invalidation device performs, in a case where a false determination of occurrence of a lock state of a motor is caused by the lock state determination device due to an operation input to operate a rotation speed of the motor, at least one of a first invalidation operation to invalidate the lock state determination device and a second invalidation operation to invalidate continuation of a counting operation by the counter.

摘要翻译： 锁定状态发生确定装置包括计数器，复位装置，参考时间改变装置，锁定状态确定装置和无效装置。 无效装置在通过操作输入由锁定状态确定装置引起电动机的锁定状态的发生的错误确定以操作电动机的转速的情况下执行以下中的至少一个：第一无效 使锁定状态确定装置无效的操作和使计数器继续计数操作无效的第二无效操作。

公开(公告)号：US08324845B2

公开(公告)日：2012-12-04

申请号：US12453830

申请日：2009-05-22

申请人： Jiro Suzuki ,  Fengying Dong ,  Takuya Kusakawa

发明人： Jiro Suzuki ,  Fengying Dong ,  Takuya Kusakawa

IPC分类号： H02P7/00

CPC分类号： B25F5/00 ,  H02H7/0838 ,  H02H7/1213

摘要： A rechargeable power tool includes a direct current motor, a switching circuit, at least one speed setting unit, a duty ratio setting unit, a drive unit, an operation amount detecting unit, an abnormality determining unit, and a determination threshold setting unit. The abnormality determining unit compares an operation amount detected by the operation amount detecting unit and a determination threshold set based on the operation amount to thereby determine whether or not an operation state of the rechargeable power tool is abnormal. The determination threshold setting unit sets the determination threshold in a continuous or stepwise manner in accordance with a rotation speed set by the speed setting unit.

摘要翻译： 可再充电电动工具包括直流电动机，开关电路，至少一个速度设定单元，占空比设定单元，驱动单元，操作量检测单元，异常判定单元和确定阈值设定单元。 异常确定单元将由操作量检测单元检测的操作量和基于操作量设定的确定阈值进行比较，从而确定可充电电动工具的操作状态是否异常。 确定阈值设定单元根据由速度设定单元设定的转速，以连续或逐步的方式设定判定阈值。

公开(公告)号：US20090128062A1

公开(公告)日：2009-05-21

申请号：US12289787

申请日：2008-11-04

申请人： Masahiro Watanabe ,  Jiro Suzuki ,  Takuya Kusakawa

发明人： Masahiro Watanabe ,  Jiro Suzuki ,  Takuya Kusakawa

IPC分类号： H05B37/02

CPC分类号： B25F5/00 ,  Y10T307/832 ,  Y10T307/944

摘要： An electric power tool, which comprises a motor that drives a tool, a power source unit that applies voltage to the motor, a main switching circuit that makes/breaks an electrical connection between the power source unit and the motor, an illuminator that illuminates a work spot, a switching device that electrically connects the illuminator to the power source unit, and an OR circuit that is electrically connected to terminals of the motor to the base terminal is provided. The OR circuit electrically connects one of the motor terminals at which a voltage is higher to the base terminal.

摘要翻译： 一种电动工具，其包括驱动工具的电动机，向所述电动机施加电压的电源单元，使所述电源单元和所述电动机之间的电连接断开的主开关电路;照明器 提供了将照明器电连接到电源单元的开关装置和与电动机的端子电连接到基座端子的“或”电路。 OR电路将电压较高的电动机端子之一电连接到基座端子。

公开(公告)号：US08890449B2

公开(公告)日：2014-11-18

申请号：US13703420

申请日：2011-05-26

申请人： Jiro Suzuki ,  Takuya Kusakawa

发明人： Jiro Suzuki ,  Takuya Kusakawa

IPC分类号： H02P6/00 ,  H02P29/02 ,  B25F5/00 ,  H02P6/12 ,  B25B21/02 ,  H02H7/093

CPC分类号： H02H7/093 ,  B25B21/02 ,  B25F5/00 ,  H02P6/12 ,  H02P29/0241

摘要： A lock state occurrence determination apparatus includes a counter, a reset device, a reference time changing device, a lock state determination device, and an invalidation device. The invalidation device performs, in a case where a false determination of occurrence of a lock state of a motor is caused by the lock state determination device due to an operation input to operate a rotation speed of the motor, at least one of a first invalidation operation to invalidate the lock state determination device and a second invalidation operation to invalidate continuation of a counting operation by the counter.

摘要翻译： 锁定状态发生确定装置包括计数器，复位装置，参考时间改变装置，锁定状态确定装置和无效装置。 无效装置在通过操作输入由锁定状态确定装置引起电动机的锁定状态的发生的错误确定以操作电动机的转速的情况下执行以下中的至少一个：第一无效 使锁定状态确定装置无效的操作和使计数器继续计数操作无效的第二无效操作。

公开(公告)号：US20090309519A1

公开(公告)日：2009-12-17

申请号：US12457092

申请日：2009-06-01

申请人： Jiro Suzuki ,  Hirokatsu Yamamoto ,  Takuya Kusakawa

发明人： Jiro Suzuki ,  Hirokatsu Yamamoto ,  Takuya Kusakawa

IPC分类号： H05B37/00

CPC分类号： B25F5/021

摘要： A power tool of the present teachings comprises a prime mover that drives a tool, a main switch that causes the prime mover to operate when the main switch is turned on and causes the prime mover to stop operating when the main switch is turned off, an illuminator that lights a working area of the tool, and a lighting mode selector switch for switching the lighting mode of the illuminator between a plurality of lighting modes which include a first lighting mode and a second lighting mode. When the first lighting mode is selected, the illuminator will be turned on for a first predetermined period from the point at which the main switch is turned off. When the second lighting mode is selected, the illuminator will not be turned on during the first predetermined period from the point at which the main switch is turned off.

摘要翻译： 本教导的电动工具包括驱动工具的原动机，当主开关接通时使原动机工作的主开关，并且当主开关关闭时使原动机停止工作， 点亮工具的工作区域的照明器，以及用于在包括第一照明模式和第二照明模式的多个照明模式之间切换照明器的照明模式的照明模式选择器开关。 当选择第一照明模式时，照明器将从主开关关闭的点开始第一预定时段。 当选择第二照明模式时，在从主开关关闭的点开始的第一预定时段期间，照明器将不会被接通。