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1. 发明专利

JP2007209164A Method for detecting phase angle and inverter 审中-公开
标题翻译：检测相角和逆变器的方法
公开(公告)号：JP2007209164A
公开(公告)日：2007-08-16
申请号：JP2006027144
申请日：2006-02-03
申请人： Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
发明人： TAI MASA , TAMURA HIROYUKI , KOMAI MASAKAZU
IPC分类号： H02M7/48
摘要： PROBLEM TO BE SOLVED: To provide a method for detecting the phase angle of a three-phase AC voltage or current in which the phase angle can be detected precisely even if noise is included in the detection waveform of voltage or current, and to provide an inverter comprising a phase angle detection means by the method and a control means. SOLUTION: Instantaneous value of a three-phase AC voltage or current is detected every sampling period, an orthogonal biaxial component of α-axis component and β-axis component is operated from the instantaneous value thus detected. Instantaneous value θ of phase angle is then operated from the α-axis component and the β-axis component by operating θ=arctan(β/α). Prediction value θp of phase angle is operated from the instantaneous value data of a plurality of latest phase angles by straight line approximation such as least square approximation. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：提供一种用于检测三相AC电压或电流的相位角的方法，其中即使在电压或电流的检测波形中包括噪声，也可以精确地检测相位角，以及提供一种逆变器，其包括通过该方法和控制装置的相位角检测装置。
解决方案：每采样周期检测三相交流电压或电流的瞬时值，从所检测的瞬时值运算α轴分量和β轴分量的正交双轴分量。然后通过θ= arctan（β/α）从α轴分量和β轴分量运行相位角的瞬时值θ。相位角的预测值θp由多个最新相位角的瞬时值数据通过直线近似如最小二乘近似来操作。版权所有（C）2007，JPO＆INPIT

2. 发明专利

JP2010172167A Inverter control device 有权
标题翻译：逆变器控制装置
公开(公告)号：JP2010172167A
公开(公告)日：2010-08-05
申请号：JP2009014522
申请日：2009-01-26
申请人： Ebara Corp , Ebara Densan Ltd , 株式会社荏原製作所 , 株式会社荏原電産
发明人： KOMAI MASAKAZU , SAKURAI KIMI , TSUKAGOSHI KENTA , OZAWA TAKAHIDE
IPC分类号： H02P21/00 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To provide an inverter control device which enables a motor to be operated efficiently. SOLUTION: The inverter control device includes: a current detector 2, which detects a three-phase current supplied from an inverter 1 to the motor M; a first current control unit 7, which calculates a first voltage command value for making zero the deviation between a magnetizing current and a first target current value; a second current control unit 8, which calculates a second voltage command value for making zero the deviation between a torque current and a second target current value; a gain generation unit 11, which generates a magnetizing current regulating gain value for making the first voltage command value zero; a multiplier 12, which calculates a presumed angular frequency of the motor from the magnetizing current regulating gain value and the second voltage command value; a speed control unit 14, which calculates the second target current value for making zero the deviation between the presumed angular frequency and a predetermined target angular frequency; and a gain control unit 20, which calculates the first target current value for making zero the deviation between the magnetizing current regulating gain value and a target gain value. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够有效地操作电动机的逆变器控制装置。解决方案：逆变器控制装置包括：电流检测器2，其检测从逆变器1提供给电动机M的三相电流; 第一电流控制单元7，计算用于使磁化电流和第一目标电流值之间的偏差为零的第一电压指令值; 第二电流控制单元8，其计算用于使转矩电流和第二目标电流值之间的偏差为零的第二电压指令值; 增益产生单元11，其产生用于使第一电压指令值为零的磁化电流调节增益值; 乘法器12，其根据磁化电流调节增益值和第二电压指令值计算电动机的假定角频率; 速度控制单元14，其计算第二目标电流值，用于使推定的角频率与预定的目标角频率之间的偏差为零; 以及增益控制单元20，其计算用于使磁化电流调节增益值和目标增益值之间的偏差为零的第一目标电流值。版权所有（C）2010，JPO＆INPIT

3. 发明专利

JP2004260943A Method and apparatus for controlling operation of variable speed motor 审中-公开
公开(公告)号：JP2004260943A
公开(公告)日：2004-09-16
申请号：JP2003049779
申请日：2003-02-26
申请人： Ebara Densan Ltd , 株式会社荏原電産
发明人： CHIYOUJIYA HAJIME , KOMAI MASAKAZU , HAGINO HIDEKI
IPC分类号： H02P1/30 , H02P27/06 , H02P7/63
摘要： PROBLEM TO BE SOLVED: To provide a method and apparatus for controlling the operation of a variable speed motor capable of smoothly resuming the operation control of a variable speed motor at power restoration after power supply is stopped or a supplied voltage drops, with no sensor or the like that detects the rotational number of the variable speed motor. SOLUTION: The operation control apparatus of a variable speed motor 11 comprises a power monitoring part 20 which monitors the electric power supplied to the variable speed motor 11 and detects the stoppage of power supply or drop of a supplied voltage, a rotation detecting part 21 that detects a remaining voltage caused by rotation when the variable speed motor 11 is in free running state to derive the rotational frequency and phase of the variable speed motor 11, and a drive control part 15 which controls driving of the variable speed motor 11 according to the rotational frequency and phase of the variable speed motor 11 after a supplied power is restored for driving the variable speed motor 11. COPYRIGHT: (C)2004,JPO&NCIPI

4. 发明专利

JP2014138497A Fluid supply device 有权
标题翻译：流体供应装置
公开(公告)号：JP2014138497A
公开(公告)日：2014-07-28
申请号：JP2013006245
申请日：2013-01-17
申请人： Ebara Corp , 株式会社荏原製作所
发明人： TATEISHI KAZUFUMI , KOMAI MASAKAZU , NAKAJIMA KAORU , KOMATSU TAKAHIDE
IPC分类号： H02P27/06 , F04D15/00 , H02J9/06
摘要： PROBLEM TO BE SOLVED: To prolong time of operation with power supplied from a power storage device.SOLUTION: A water supply device 300 comprises: a motor pump 310 for transferring water; a power unit 320 which supplies first power supplied from a commercial power supply or second power supplied from a power storage unit 210 storing the first power to a driving unit of the motor pump 310; and a control unit 330 which controls driving of the motor pump 310 via the power unit 320. When power supplied to the power unit 320 is switched from the first power to the second power, the control unit 330 controls the power unit 320 so that power consumption of the driving unit during driving of the motor pump 310 with the second power is smaller than that during driving of the motor pump 310 with the first power.
摘要翻译：要解决的问题：通过从蓄电装置供应的电力来延长操作时间。解决方案：供水装置300包括：用于输送水的电动泵310; 电力单元320，其将从商用电源供给的第一电力或从存储第一功率的蓄电单元210提供的第二电力提供给电动泵310的驱动单元; 以及控制单元330，其经由电力单元320控制电机泵310的驱动。当向电力单元320供电的电力从第一电力切换到第二电力时，控制单元330控制电力单元320，使得电力以第二功率驱动电机泵310驱动时的驱动单元的消耗小于以第一功率驱动电机泵310时的驱动单元的消耗。

5. 发明专利

JP2013201850A Power converter for driving pump 有权
标题翻译：电动转换器驱动泵
公开(公告)号：JP2013201850A
公开(公告)日：2013-10-03
申请号：JP2012069261
申请日：2012-03-26
申请人： Ebara Corp , 株式会社荏原製作所
发明人： TSUKAGOSHI KENTA , KOMAI MASAKAZU , OZAWA TAKAHIDE , HATABAYASHI KIMI
IPC分类号： H02P27/06
摘要： PROBLEM TO BE SOLVED: To provide a power converter which can perform protective operation when a power converter is actuated by an induction voltage generated from a synchronous motor, in a pump system being driven by the synchronous motor.SOLUTION: A control power supply 18 generates a low voltage DC power from a DC power generated by a DC voltage smoothing circuit 14, and an MCU 15 is driven by receiving the low voltage DC power supply from the control power supply 18. In order to determine whether the DC power stored in the DC voltage smoothing circuit 14 is input from a commercial power supply 1 or generated from a motor M, the MCU 15 compares an input voltage obtained from an input voltage measuring instrument 22 with a predetermined starting voltage of the control power supply 18. When a determination is made that the power converter is actuated by a power generated from the motor M, the MCU 15 performs a protective operation.
摘要翻译：要解决的问题：提供一种功率转换器，其在由同步电动机驱动的泵系统中由功率转换器由同步电动机产生的感应电压驱动时可以执行保护操作。解决方案：控制电源18产生来自直流电压平滑电路14产生的直流电力的低压直流电力和MCU 15通过从控制电源18接收低压直流电源来驱动。为了确定存储在直流电压平滑电路14从商用电源1输入或从电动机M产生，MCU 15将从输入电压测量仪22获得的输入电压与控制电源18的预定起动电压进行比较。当确定通过由电动机M产生的电力来驱动电力转换器，MCU15进行保护动作。

6. 发明专利

JP2012117371A Pump device and power conversion device 有权
标题翻译：泵装置和功率转换装置
公开(公告)号：JP2012117371A
公开(公告)日：2012-06-21
申请号：JP2010264686
申请日：2010-11-29
申请人： Ebara Corp , 株式会社荏原製作所
发明人： TSUKAGOSHI KENTA , KOMAI MASAKAZU , OZAWA TAKAHIDE , HATABAYASHI KIMI
IPC分类号： F04D15/00 , F04B51/00 , F04D29/60
摘要： PROBLEM TO BE SOLVED: To provide a pump device that can detect the rotational direction of a pump without depending on visual confirmation, and can rotate the pump in a positive direction.SOLUTION: The pump device comprises the pump P, a motor M, an inverter 12, and a control part which controls the output power of the inverter 12. The control part comprises an operation processing part 16, a memory part 17, and a current detection part 20 which detects an output current flowing to the motor M from the inverter 12. The operation processing part 16 compares an output current at the drive of the pump P in a first rotational direction and an output current at the drive of the pump P in a second rotational direction which is reverse to the first rotational direction, and decides the rotational direction of the smaller output current as the positive rotational direction of the pump P.
摘要翻译：要解决的问题：提供一种可以在不依赖于目视确认的情况下检测泵的旋转方向的泵装置，并且可以使泵沿正方向旋转。解决方案：泵装置包括泵P，马达M，反相器12和控制逆变器12的输出功率的控制部分。控制部分包括操作处理部分16，存储部分17，以及检测从逆变器12流向电动机M的输出电流的电流检测部20.操作处理部16将泵P的驱动的第一旋转方向的输出电流与驱动时的输出电流进行比较泵P与第一旋转方向相反的第二旋转方向，并且将较小输出电流的旋转方向确定为泵P的正旋转方向。版权所有（C）2012，JPO＆INPIT

7. 发明专利

JP2012050285A Electric-motor drive device 有权
标题翻译：电动机驱动装置
公开(公告)号：JP2012050285A
公开(公告)日：2012-03-08
申请号：JP2010191918
申请日：2010-08-30
申请人： Ebara Corp , 株式会社荏原製作所
发明人： TSUKAGOSHI KENTA , OZAWA TAKAHIDE , KOMAI MASAKAZU , HATABAYASHI KIMI
IPC分类号： H02P21/00 , H02P6/18 , H02P27/04
CPC分类号： H02P21/05 , H02P21/0003
摘要： PROBLEM TO BE SOLVED: To provide an electric-motor drive device capable of driving a motor without using motor constants such as coil resistance and reactance of the motor.SOLUTION: An electric-motor drive device comprises a vector control unit 11 that converts a three-phase output current from an inverter 10 into a torque current and a magnetizing current and controls the torque current and the magnetizing current. The vector control unit 11 comprises: a torque voltage control unit 21 for determining a torque voltage command value based on a deviation between a torque current command value and the torque current; a magnetizing voltage control unit 22 for determining a magnetizing voltage command value based on a deviation between a magnetizing current command value and the magnetizing current; a target magnetizing current determination unit 26 for determining the magnetizing current command value based on a deviation between the output voltage from the inverter 10 and a target output voltage; and a target output voltage determination unit 27 for determining the target output voltage. The target output voltage determination unit 27 stores a V/ω pattern showing the relationship between the target output voltage and an angular velocity, and determines the target output voltage from the angular velocity according to the V/ω pattern.
摘要翻译：要解决的问题：提供一种能够在不使用诸如线圈电阻和电动机的电抗的电动机常数的情况下驱动电动机的电动机驱动装置。解决方案：电动机驱动装置包括矢量控制单元11，其将来自逆变器10的三相输出电流转换成转矩电流和磁化电流，并控制转矩电流和磁化电流。矢量控制单元11包括：转矩电压控制单元21，用于基于转矩电流指令值和转矩电流之间的偏差来确定转矩电压指令值; 磁化电压控制单元22，用于基于磁化电流指令值与励磁电流之间的偏差确定磁化电压指令值; 目标磁化电流确定单元26，用于基于来自逆变器10的输出电压与目标输出电压之间的偏差确定磁化电流指令值; 以及用于确定目标输出电压的目标输出电压确定单元27。目标输出电压确定单元27存储表示目标输出电压和角速度之间的关系的V /ω图案，并根据V /ω图案从角速度确定目标输出电压。版权所有（C）2012，JPO＆INPIT

8. 发明专利

JP2011185190A Control device integrated type motor pump 审中-公开
标题翻译：控制装置集成式电机泵
公开(公告)号：JP2011185190A
公开(公告)日：2011-09-22
申请号：JP2010052509
申请日：2010-03-10
申请人： Ebara Corp , 株式会社荏原製作所
发明人： OGAWA TAKAHIKO , KATAOKA TADASHI , OZAWA TAKAHIDE , KOMAI MASAKAZU
IPC分类号： F04D13/06 , F04D15/00 , H02K7/14 , H02K11/00 , H02P21/00 , H02P27/04
CPC分类号： F04B49/06
摘要： PROBLEM TO BE SOLVED: To provide an efficient control device integrated type motor pump. SOLUTION: The control device integrated type motor pump includes a pump 1, a motor 2 driving the pump 1, a control device 3 controlling the motor 2, and a discharge side pressure measuring instrument 16 measuring fluid pressure on a discharge side of the pump. The control device 3 is mounted to a motor casing of the motor 2. The control device 3 has an inverter 25 generating alternating current power of a frequency which is within a band including a commercial frequency or more, a pump control part 30 generating a torque command value for controlling operation of the pump 1, and a vector control part 40 receiving the torque command value and determining a voltage command value to the inverter 25. The motor 2 has a rotor with a plurality of permanent magnets 20. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种高效的控制装置集成式电动泵。解决方案：控制装置集成型电动泵包括泵1，驱动泵1的电动机2，控制电动机2的控制装置3和排出侧压力测量装置16，其测量排出侧的流体压力泵。控制装置3安装在电动机2的电机壳体上。控制装置3具有：逆变器25，产生频率在商业频率以上的频率的交流电力;泵控制部30，产生转矩用于控制泵1的操作的指令值以及接收转矩指令值并向逆变器25确定电压指令值的矢量控制部40.电动机2具有带有多个永磁体20的转子。：（C）2011，JPO＆INPIT

9. 发明专利

JP2014131398A Drive unit for motor 审中-公开
标题翻译：电机驱动单元
公开(公告)号：JP2014131398A
公开(公告)日：2014-07-10
申请号：JP2012287593
申请日：2012-12-28
申请人： Ebara Corp , 株式会社荏原製作所
发明人： TSUKAGOSHI KENTA , KOMAI MASAKAZU , OZAWA TAKAHIDE , HATABAYASHI KIMI
IPC分类号： H02P6/18 , H02P21/00 , H02P27/04
摘要： PROBLEM TO BE SOLVED: To provide a drive unit which can start a motor smoothly.SOLUTION: A drive unit includes an inverter, a current detector for detecting the output current of the inverter, and a vector control unit for controlling a torque current and a magnetization current being fed from the inverter to a motor, based on the output current detected by the current detector and an angular speed command value of the motor. At the start of the motor, the vector control unit increases the magnetization current from a first initial value to a second initial value at a predetermined increase rate.
摘要翻译：要解决的问题：提供能够顺利启动电动机的驱动单元。解决方案：驱动单元包括逆变器，用于检测逆变器的输出电流的电流检测器和用于控制转矩电流的矢量控制单元基于由电流检测器检测到的输出电流和电动机的角速度指令值，从逆变器馈送电动机的磁化电流。在马达开始时，矢量控制单元以预定的增加速率将磁化电流从第一初始值增加到第二初始值。

10. 发明专利

JP2009278810A Motor assembly and pump apparatus 有权
标题翻译：电机总成和泵装置
公开(公告)号：JP2009278810A
公开(公告)日：2009-11-26
申请号：JP2008129083
申请日：2008-05-16
申请人： Ebara Corp , 株式会社荏原製作所
发明人： KOMAI MASAKAZU , ITO SHOJI , YAGI KAORU
IPC分类号： H02K9/06 , H02K5/20 , H02K11/00
摘要： PROBLEM TO BE SOLVED: To provide a motor assembly having a protection structure for protecting an inverter and a motor from rain and wind or sunshine, and a pump apparatus equipped with the motor assembly. SOLUTION: This motor assembly includes: a motor 5 coupled to a pump 1; an inverter 6 disposed on the end of the motor 5 which is opposite to the pump; a cooling fan 9 coupled to a rotating shaft 10 of the motor 5; an inner cover 7 for covering the side surface of the motor 5; and an outer cover 8 for covering the at least one part of the inner cover 7 and the inverter 6. The inner cover 7 has a first opening portion 7a formed on the end of opposite pump side, and a second opening portion 7b formed on the pump side end. A gap is formed between the inner cover 7 and the motor 5, and a gap is formed between the inner cover 7 and the outer cover 8. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种具有用于保护逆变器和电动机免受雨水和风或阳光的保护结构的电动机组件以及配备有电动机组件的泵装置。该电动机组件包括：联接到泵1的电动机5; 设置在与泵相对的马达5的端部上的逆变器6; 联接到马达5的旋转轴10的冷却风扇9; 用于覆盖电动机5的侧表面的内盖7; 以及用于覆盖内盖7和逆变器6的至少一部分的外盖8.内盖7具有形成在相对的泵侧的端部上的第一开口部7a和形成在其上的第二开口部7b 泵侧端。在内盖7和马达5之间形成间隙，在内盖7和外盖8之间形成间隙。（C）2010，JPO＆INPIT

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