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1. 发明申请

US20100050703A1 WASHER DRYER 有权
标题翻译：洗衣机
公开(公告)号：US20100050703A1
公开(公告)日：2010-03-04
申请号：US12548914
申请日：2009-08-27
申请人： Sari MAEKAWA , Kazunobu Nagai , Tsuyoshi Hosoito
发明人： Sari MAEKAWA , Kazunobu Nagai , Tsuyoshi Hosoito
IPC分类号： D06F29/02
CPC分类号： D06F33/02 , D06F25/00 , D06F37/304 , D06F39/006 , D06F58/206 , D06F58/28 , D06F2058/287 , H02P3/18 , H02P3/22 , H02P21/36 , Y02B30/52 , Y02B40/52
摘要： A washer dryer including a DC power supply generator that generates a DC power supply from an AC power supply; a heat pump that circulates refrigerant between a compressor, a condenser and an evaporator; an air circulatory path that circulates air between the condenser and the evaporator; a first inverter circuit that receives the DC power supply to drive a compressor motor; a rotary tub disposed rotatably within an exterior tub; a rotary tub motor that directly drives the rotary tub at least during dehydration; a second inverter circuit that receives the DC power supply having an output terminal connected to windings of the rotary tub motor; a voltage detector that detects DC voltage occurring between the second inverter circuit and a power supply bus; a brake controller that controls the DC voltage within a predetermined range by controlling a regenerative electric power when braking is applied.
摘要翻译：一种洗衣机干燥机，包括从AC电源产生直流电源的直流电源发生器; 使制冷剂在压缩机，冷凝器和蒸发器之间循环的热泵; 在冷凝器和蒸发器之间循环空气的空气循环路径; 第一逆变器电路，其接收直流电源以驱动压缩机电动机; 可旋转地设置在外桶内的旋转桶; 至少在脱水期间直接驱动旋转桶的旋转桶马达; 第二逆变器电路，其接收具有连接到旋转桶电动机的绕组的输出端子的直流电源; 电压检测器，其检测在所述第二逆变器电路和电源总线之间发生的直流电压; 制动控制器，其通过在施加制动时控制再生电力来将DC电压控制在预定范围内。

2. 发明申请

US20100139333A1 MOTOR CONTROLLER AND DRUM WASHING MACHINE 有权
标题翻译：电机控制器和洗衣机
公开(公告)号：US20100139333A1
公开(公告)日：2010-06-10
申请号：US12635130
申请日：2009-12-10
申请人： Sari MAEKAWA , Tsuyoshi Hosoito
发明人： Sari MAEKAWA , Tsuyoshi Hosoito
IPC分类号： D06F37/00 , H02P6/08
CPC分类号： D06F37/304 , H02K1/02 , H02K1/2786 , H02K21/04 , H02P21/18 , H02P21/26 , H02P29/032 , H02P2207/05 , Y02B40/52
摘要： A motor controller including a vector controller that controls a permanent magnet motor including a rotor being provided with a permanent magnet having a coercivity low enough to allow modification in amount of magnetization and that executes a vector control by detecting current flowing at the permanent magnet motor; a speed/position detector that detects a rotational speed and a rotational position of the permanent magnet motor; a magnetization controller that increases or decreases the magnetization of the permanent magnet depending on the rotational position of the permanent magnet motor through adjustment in status of the magnetization of the permanent magnet by way of armature counteraction; and a demagnetization detector that detects a decrease in the magnetization of the permanent magnet magnetized by the magnetization controller during operation of the permanent magnet motor.
摘要翻译：一种电动机控制器，包括控制永磁电动机的矢量控制器，所述永磁电动机包括转子，所述转子设置有具有足够低的矫顽力以允许修改磁化强度的永磁体，并且通过检测在所述永磁电动机上流动的电流来执行矢量控制; 检测永磁电动机的转速和转动位置的速度/位置检测器; 磁化控制器，其通过通过电枢反作用调节永磁体的磁化状态来增加或减小永磁体的旋转位置的永磁体的磁化强度; 以及去磁检测器，其检测在所述永磁电动机的操作期间由所述磁化控制器磁化的所述永磁体的磁化的降低。

3. 发明申请

US20100090640A1 MOTOR CONTROLLER, MOTOR CONTROL SYSTEM, AND WASHING MACHINE 有权
标题翻译：电机控制器，电机控制系统和洗衣机
公开(公告)号：US20100090640A1
公开(公告)日：2010-04-15
申请号：US12579857
申请日：2009-10-15
申请人： Sari MAEKAWA , Kazunobu NAGAI
发明人： Sari MAEKAWA , Kazunobu NAGAI
IPC分类号： H02P25/28 , H02K21/12
CPC分类号： H02K1/276 , H02K21/04 , H02P21/0089 , H02P21/06
摘要： A motor controller controlling a permanent magnet motor including a rotor provided with a plurality of low coercivity permanent magnets having a coercivity low enough to allow modification in amount of magnetization, the motor controller including a position detector including one or more position sensors to detect a rotational position of the rotor; an inverter circuit connected between a direct current voltage supply source and windings of the permanent magnet motor and configured by a plurality of semiconductor switching elements of multiple phases connected thereto; and a magnetization controller that magnetizes the plurality of low coercivity permanent magnets constituting the rotor by energizing the windings of the permanent magnet motor through the inverter circuit such that all of the low coercivity permanent magnets are magnetized to a uniform level of magnetization by energizing the windings twice at same timings specified based on a sensor signal outputted by the position sensor.
摘要翻译：一种控制永磁电动机的电动机控制器，包括具有多个低矫顽力永磁体的转子，所述低矫顽力永磁体的矫顽磁力足够低以允许改变磁化强度，所述电动机控制器包括位置检测器，该位置检测器包括一个或多个位置传感器，转子位置; 连接在直流电压源和永磁电动机的绕组之间的逆变器电路，由与其连接的多个相位的多个半导体开关元件构成; 以及磁化控制器，其通过使逆变器电路对永磁电动机的绕组进行励磁来磁化构成转子的多个低矫顽力永久磁铁，使得通过使绕组通电使得所有低矫顽力永磁体被磁化至均匀的磁化水平基于由位置传感器输出的传感器信号指定的相同定时两次。

4. 发明申请

US20100126234A1 PERMANENT MAGNET MOTOR AND WASHING MACHINE PROVIDED THEREWITH 有权
标题翻译：永磁电机和洗衣机提供
公开(公告)号：US20100126234A1
公开(公告)日：2010-05-27
申请号：US12624808
申请日：2009-11-24
申请人： Sari MAEKAWA
发明人： Sari MAEKAWA
IPC分类号： D06F7/00 , H02K21/22 , H02P1/04 , D06F37/00
CPC分类号： D06F37/206 , H02K1/2786 , H02K21/22 , H02K29/03
摘要： A permanent magnet motor includes a rotor and a stator, a plurality of permanent magnets forming a plurality of magnetic poles in a core of the rotor and magnetic pole teeth located so as to correspond to phase windings of the stator. The permanent magnets include a plurality of types of permanent magnets having different coercive forces and arranged substantially into an annular shape so that one type of the permanent magnet constitutes each magnetic pole. The permanent magnets each having a relatively smaller coercive force are arranged at a first interval in the rotor, and the magnetic pole teeth corresponding to the same phase windings are arranged at a second interval differing from the first interval in the stator.
摘要翻译：永磁电动机包括转子和定子，在转子的铁心中形成多个磁极的多个永磁体和位于与定子的相绕组相对应的磁极齿。永磁体包括具有不同矫顽力的多种类型的永磁体，并且基本上形成为环状，使得一种类型的永磁体构成每个磁极。每个具有相对较小的矫顽力的永磁体在转子中以第一间隔布置，并且对应于相同相绕组的磁极齿以不同于定子中的第一间隔的第二间隔布置。

5. 发明申请

US20120074888A1 MOTOR CONTROL DEVICE 有权
标题翻译：电机控制装置
公开(公告)号：US20120074888A1
公开(公告)日：2012-03-29
申请号：US13238346
申请日：2011-09-21
申请人： Sari MAEKAWA
发明人： Sari MAEKAWA
IPC分类号： H02P6/18
CPC分类号： H02P6/18 , H02M7/5395 , H02M2001/0009 , H02P27/08
摘要： A motor control device includes an inverter circuit including a plurality of switching elements connected into a three-phase bridge configuration and converting a direct current into a three-phase alternate current, a current detecting element connected to a direct current side of the inverter circuit, thereby generating a signal corresponding to a current value, a PWM signal generating unit which determines a rotor position based on phase currents of the motor and generates a three-phase PWM signal pattern so that the signal pattern follows the rotor position, and a current detecting unit detecting phase currents based on the signal generated by the current detecting element and the PWM signal pattern. The PWM signal generating unit generates the three-phase PWM signal pattern so that the current detecting unit is capable of detecting two phase currents in synchronization with advent of two fixed time-points within a carrier period of the PWM signal respectively.
摘要翻译：电动机控制装置包括：逆变器电路，包括连接成三相桥式结构的多个开关元件，将直流转换成三相交流电;连接到逆变器电路的直流侧的电流检测元件; 从而产生对应于当前值的信号; PWM信号产生单元，其基于电动机的相电流确定转子位置，并产生三相PWM信号模式，使得信号模式遵循转子位置，并且电流检测基于由电流检测元件产生的信号和PWM信号图案来检测相位电流。 PWM信号生成单元生成三相PWM信号模式，使得电流检测单元能够分别与PWM信号的载波周期内的两个固定时间点的出现同步地检测两相电流。

6. 发明申请

US20110234144A1 MOTOR CONTROL DEVICE AND ELECTRICAL EQUIPMENT WITH MOTOR CONTROLLED THEREBY 有权
标题翻译：电机控制装置和电机控制的电气设备
公开(公告)号：US20110234144A1
公开(公告)日：2011-09-29
申请号：US13014178
申请日：2011-01-26
申请人： Sari MAEKAWA
发明人： Sari MAEKAWA
IPC分类号： H02P23/04
CPC分类号： H02P23/04
摘要： A motor control device includes a current detecting unit detecting current flowing into a motor winding, a speed/electrical angle estimating unit estimating a rotational speed and an electrical angle of the motor, based on the current, a load torque estimating unit estimating load torque to be developed by a load, from a torque current obtained based on the current and the electrical angle, a motor constant and inertia moment of the motor inclusive of the load, a load torque phase calculating unit calculating a phase of periodic fluctuation indicated by the load torque, a torque-compensating current determining unit determining a sinusoidal torque-compensating current, based on the load torque phase, and an amplitude/phase adjusting unit detecting speed fluctuation of the motor to adjust amplitude and phase of the torque compensating current by increasing or decreasing the amplitude and the phase so that the speed fluctuation is reduced.
摘要翻译：电动机控制装置包括电流检测单元，其检测流入电动机绕组的电流，速度/电角度估计单元，基于电流估计电动机的转速和电角度，负载转矩估计单元估计负载转矩为由负载开始，根据电流和电角度获得的转矩电流，包括负载的电动机的电动机常数和惯性矩;负载转矩相位计算单元，计算由负载指示的周期性波动的相位扭矩补偿电流确定单元，基于负载转矩相位确定正弦曲线转矩补偿电流;以及振幅/相位调整单元，其检测电动机的速度波动，以通过增加或调整转矩补偿电流的幅度和相位来调整降低振幅和相位，从而降低速度波动。

7. 发明申请

US20100090632A1 MOTOR MAGNETIC POLE POSITION DETECTING DEVICE 有权
标题翻译：电机磁极位置检测装置
公开(公告)号：US20100090632A1
公开(公告)日：2010-04-15
申请号：US12574239
申请日：2009-10-06
申请人： Sari MAEKAWA
发明人： Sari MAEKAWA
IPC分类号： H02P6/18
CPC分类号： H02P6/18
摘要： A motor magnetic pole position detecting device includes a detection current command generation unit generating a detection AC current command, a current detection section detecting a current flowing into the motor, a coordinate conversion unit vector-converting the current detected by the current detection section into an excitation component and a torque component both represented by a d-q orthogonal coordinate system based on a phase angle obtained at any rotational frequency, a current control unit delivering a voltage command to current-control the motor based on the detection current command and the current converted by the coordinate conversion unit, an inductance calculation unit calculating motor inductance based on the voltage command and the current converted by the coordinate conversion unit, and a magnetic pole position detection section calculating a frequency and phase of the inductance calculated by the inductance calculation unit, converting the inductance phase into a motor magnetic pole position.
摘要翻译：电动机磁极位置检测装置包括产生检测用AC电流指令的检测电流指令生成部，检测流入电动机的电流的电流检测部，将由电流检测部检测出的电流矢量变换为励磁分量和转矩分量，均由基于在任何转速下获得的相位角的dq正交坐标系所表示，电流控制单元基于检测电流指令传递电流指令以电流控制电动机，电流转换由坐标转换单元，基于电压指令和由坐标转换单元转换的电流来计算电动机电感的电感计算单元和计算由电感计算单元计算的电感的频率和相位的磁极位置检测部分，转换电感相变成a 电机磁极位置。

8. 发明申请

US20130069572A1 MOTOR CONTROL DEVICE 有权
标题翻译：电机控制装置
公开(公告)号：US20130069572A1
公开(公告)日：2013-03-21
申请号：US13607984
申请日：2012-09-10
申请人： Sari MAEKAWA
发明人： Sari MAEKAWA
IPC分类号： H02P6/18
CPC分类号： H02P6/18 , H02P21/26
摘要： A motor control device includes an inverter circuit having switching elements on/off controlled according to a predetermined PWM signal pattern to convert an input direct current to three-phase alternating current supplied to drive an electric motor. A phase current of the motor is detected based on a detection of the input direct current and the PWM signal pattern. A PWM signal generation unit which generates a three-phase PWM signal pattern to enable detecting two-phase currents twice in synchronization with four time-points within a carrier wave period of the PWM signal respectively and so that the detection of current follows a magnetic pole position of the motor. A current differential unit supplies, as current differential values, differences between twice detected current values regarding the two phases respectively, and a magnetic pole position estimation unit estimates the magnetic pole position of the motor based on the current differential values.
摘要翻译：电动机控制装置包括逆变器电路，其具有根据预定的PWM信号模式控制的开关元件导通/截止，以将输入直流电转换为供给驱动电动机的三相交流电。基于输入直流电流和PWM信号模式的检测来检测电动机的相电流。 PWM信号生成单元，其生成三相PWM信号模式，以分别在PWM信号的载波周期内与四个时间点同步检测两相电流两次，并且使得电流检测遵循磁极电机的位置。电流差动单元作为电流差分值分别提供关于两相的两次检测的电流值之间的差异，并且磁极位置估计单元基于电流差值估计电动机的磁极位置。

9. 发明申请

US20120112673A1 MOTOR CONTROLLER 有权
标题翻译：电机控制器
公开(公告)号：US20120112673A1
公开(公告)日：2012-05-10
申请号：US13291643
申请日：2011-11-08
申请人： Sari MAEKAWA
发明人： Sari MAEKAWA
IPC分类号： H02P6/06
CPC分类号： H02P6/002 , H02P6/16 , H02P6/28
摘要： A motor controller is disclosed. The motor controller includes a current detector that is provided in a direct current side of a power converter and that detects direct current information. A determiner determines a size of an offset voltage contained in the detected current information. The determiner calculates the offset voltage by canceling a positive current component by a negative current component both pertaining to the same one phase and contained in the detected direct current information. A modifier modifies the detected direct current information based on the calculated offset voltage.
摘要翻译：公开了一种电动机控制器。马达控制器包括设置在功率转换器的直流侧并检测直流信息的电流检测器。确定器确定检测到的当前信息中包含的偏移电压的大小。确定器通过消除正电流分量来计算偏移电压，该负电流分量均属于相同的一相，并且包含在检测到的直流信息中。修改器基于所计算的偏移电压来修改检测到的直流信息。

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