-
公开(公告)号：US5940272A
公开(公告)日：1999-08-17
申请号：US904862
申请日：1997-08-01
申请人： Akihiko Emori , Hiroyuki Hanei , Tsunehiro Endo , Tomoyuki Someya , Masahiro Iwamura , Noboru Akiyama , Kazuo Kato
发明人： Akihiko Emori , Hiroyuki Hanei , Tsunehiro Endo , Tomoyuki Someya , Masahiro Iwamura , Noboru Akiyama , Kazuo Kato
CPC分类号： H05K7/20927 , H02M7/003 , H01L2924/1616
摘要： An electric apparatus has a plurality of electric parts and a casing made of electrically conductive material for accommodating therein or mounting thereon a plurality of electric parts. The casing, which has a cavity therein, is provided with a plurality of projections for radiating heat generated by the electric parts in the cavity. The casing is provided with openings for allowing a heat conductive medium to flow into and out of the casing. Further, an electric apparatus has a plurality of electric parts and a casing made of electrically conductive material for accommodating therein or mounting thereon a plurality of electric parts. The casing is provided with openings for allowing a heat conductive medium to flow into and out of the casing. The casing is provided therein with a partition wall which is made of electrically conductive material for dividing the interior of the casing into a plurality of zones along a direction of a flow of the heat conductive medium.
摘要翻译： 电气设备具有多个电气部件和由导电材料制成的壳体，用于容纳其中或安装有多个电气部件。 在其中具有空腔的壳体设置有用于散发由腔中的电气部件产生的热量的多个突起。 壳体设置有用于允许导热介质流入和流出壳体的开口。 此外，电气设备具有多个电气部件和由导电材料制成的壳体，用于容纳其中或安装有多个电气部件。 壳体设置有用于允许导热介质流入和流出壳体的开口。 壳体设置有分隔壁，该分隔壁由导电材料制成，用于将壳体的内部沿着导热介质的流动方向分成多个区域。
-
公开(公告)号：US07839113B2
公开(公告)日：2010-11-23
申请号：US12019736
申请日：2008-01-25
申请人： Daisuke Maeda , Tsunehiro Endo , Hidefumi Shirahama , Kenji Sakurai , Hiroyuki Hasegawa , Mitsuhiro Mishima
发明人： Daisuke Maeda , Tsunehiro Endo , Hidefumi Shirahama , Kenji Sakurai , Hiroyuki Hasegawa , Mitsuhiro Mishima
IPC分类号： H02P1/46
摘要： The synchronous motor driving apparatus including position sensors provided in the synchronous motor, a current polarity detection circuit for detecting the polarities of the currents in the respective phase windings of the synchronous motor, an inverter driving the synchronous motor, a motor speed calculation unit calculating the rotational speed of the synchronous motor depending on the output signals from the position sensors, a speed control unit outputting a first voltage adjusting component (q-axis current command value Iq*) to cause the rotational speed of the synchronous motor to approach a speed command value and a phase control unit outputting a second voltage adjusting component (d-axis current command value Id*) to cause the phase differences between the phases of the position sensor signals and of the currents in the respective phase windings of the synchronous motor to become a predetermined value.
摘要翻译： 同步电动机驱动装置包括设置在同步电动机中的位置传感器，用于检测同步电动机的各相绕组中的电流极性的电流极性检测电路，驱动同步电动机的逆变器，电动机速度计算单元 根据来自位置传感器的输出信号的同步电动机的转速，输出第一电压调整分量（q轴电流指令值Iq *）的速度控制部，使同步电动机的转速接近速度指令 值和相位控制单元，输出第二电压调节分量（d轴电流指令值Id *），以使位置传感器信号的相位与同步电动机的各相绕组中的电流之间的相位差成为 预定值。
-
公开(公告)号：US07602138B2
公开(公告)日：2009-10-13
申请号：US11527475
申请日：2006-09-27
IPC分类号： H02P21/00
CPC分类号： H02P21/22
摘要： An apparatus for controlling the drive of an electric motor, having a current detector for detecting the current through an externally connected electric motor; a controller for generating a control signal to control the electric motor on the basis of the current detected by the current detector and the speed command for specifying the rotational speed of the electric motor; wherein the apparatus includes a load estimator for estimating the mechanical load condition associated with the electric motor on the basis of the current detected by the current detector and the speed command, and the controller controls the electric motor current on the basis of the detected current, the speed command and the estimated load condition.
摘要翻译： 一种用于控制电动机的驱动的装置，具有用于检测通过外部连接的电动机的电流的电流检测器; 控制器，用于基于由电流检测器检测的电流和用于指定电动机的转速的速度指令来产生控制电动机的控制信号; 其特征在于，所述装置包括基于由所述电流检测器检测出的电流和所述速度指令来估计与所述电动机相关联的机械负载状况的负载估计器，并且所述控制器基于检测到的电流来控制所述电动机电流， 速度命令和估计的负载条件。
-
4.发明申请SEMICONDUCTOR INTEGRATED CIRCUIT, PWM SIGNAL OUTPUT DEVICE, AND POWER CONVERSION CONTROL APPARATUS 有权半导体集成电路，PWM信号输出装置和功率转换控制装置公开(公告)号：US20090066384A1
公开(公告)日：2009-03-12
申请号：US12192007
申请日：2008-08-14
申请人： TAKAHIRO SUZUKI , Yasuo Notohara , Tsunehiro Endo , Yuji Mori
发明人： TAKAHIRO SUZUKI , Yasuo Notohara , Tsunehiro Endo , Yuji Mori
IPC分类号： H03K12/00
摘要： Provided is a control technique of a PWM conversion type power converter capable of compensating for a voltage error due to voltage drop mainly at a switching element and managing a switching time of a PWM signal at the same time, and capable of suppressing increase/decrease of software operation load and addition of a hardware circuit to the minimum. A semiconductor integrated circuit having a PWM signal generating unit which generates a PWM signal is provided with a PWM timer unit including a counter counting a pulse width of a pulse signal inputted from the outside with delay from a PWM signal, a register loading a counter value of the counter in synchronization with the PWM signal, and an A/D converting unit converting an analog signal serving as a source signal of the pulse signal inputted from the outside to a digital signal.
摘要翻译： 提供了一种PWM转换型电力转换器的控制技术，其能够主要在开关元件处补偿由于电压降引起的电压误差，并且同时管理PWM信号的开关时间，并且能够抑制 软件操作负载和硬件电路的添加至少。 具有产生PWM信号的PWM信号产生单元的半导体集成电路具有PWM定时器单元，该PWM定时器单元包括对来自PWM信号的延迟从外部输入的脉冲信号的脉冲宽度进行计数的计数器单元， 的计数器，以及将从外部输入的脉冲信号的源信号用作数字信号的模拟信号的A / D转换单元。
-
5.发明申请公开(公告)号：US20070126391A1
公开(公告)日：2007-06-07
申请号：US11606976
申请日：2006-12-01
申请人： Kazuaki Tobari , Tsunehiro Endo
发明人： Kazuaki Tobari , Tsunehiro Endo
IPC分类号： H02P1/46
CPC分类号： H02P21/16
摘要： A vector controller for a permanent magnet synchronous motor uses current command values and detected currents of the d-axis and q-axis, a calculated frequency, and motor constant settings to control the output voltage of a power converter; the motor constants are identified by use of active or reactive power obtained from the output voltage and detected current of the power converter, the calculated frequency, and the detected current immediately before or during an actual operation.
摘要翻译： 用于永磁同步电动机的矢量控制器使用电流指令值和d轴和q轴的检测电流，计算的频率和电动机常数设置来控制功率转换器的输出电压; 通过使用从实际操作之前或期间的输出电压和功率转换器的检测电流，计算的频率和检测到的电流获得的有功或无功功率来识别电动机常数。
-
公开(公告)号：US07199547B2
公开(公告)日：2007-04-03
申请号：US09982234
申请日：2001-10-19
申请人： Daigo Kaneko , Hiromi Inaba , Tsunehiro Endo , Ikuo Yamato , Naoto Ohnuma
发明人： Daigo Kaneko , Hiromi Inaba , Tsunehiro Endo , Ikuo Yamato , Naoto Ohnuma
CPC分类号： H02P6/18
摘要： In order to control the position of a mobile body without using a position detector, a magnetic pole position of a rotor of a synchronous motor is estimated based on electrical quantities in relation to electric power supplied to the synchronous motor and then the mobile body position is estimated based on the estimated magnetic pole position.
摘要翻译： 为了在不使用位置检测器的情况下控制移动体的位置，基于相对于提供给同步电动机的电力的电量来估计同步电动机的转子的磁极位置，然后移动体位置为 基于估计的磁极位置估计。
-
公开(公告)号：US20050204760A1
公开(公告)日：2005-09-22
申请号：US11001036
申请日：2004-12-02
申请人： Yoshiaki Kurita , Tatsuo Ando , Noriaki Yamada , Takashi Ooishi , Tsunehiro Endo , Takahiro Suzuki
发明人： Yoshiaki Kurita , Tatsuo Ando , Noriaki Yamada , Takashi Ooishi , Tsunehiro Endo , Takahiro Suzuki
CPC分类号： F25B49/025 , F25B2600/021 , H02M5/451 , H02P27/08 , Y02B30/741
摘要： A refrigerating apparatus having a refrigerating cycle that comprises a compressor, an electric motor that drives the compressor, and an inverter device that variably controls the operating frequency of the electric motor. The inverter device includes a converter circuit that converts an A.C. voltage from an A.C. power supply into a D.C. current, an inverter circuit comprising a D.C./A.C converter, and a shunt resistance that detects a D.C. current flowing through a switching element of the inverter circuit. The shunt resistance detects a D.C. current, and the detected D.C. current value is calculated as a sine wave A.C. current for the electric motor in relation to action of the switching element.
摘要翻译： 具有包括压缩机，驱动压缩机的电动机和可变地控制电动机的工作频率的逆变器装置的制冷循环的制冷装置。 逆变器装置包括：转换电路，其将来自交流电源的交流电压转换为直流电;逆变器电路，包括直流/交流转换器;以及分流电阻，其检测流过逆变器电路的开关元件的直流电流 。 分流电阻检测直流电流，并且检测到的直流电流值被计算为电动机相对于开关元件的作用的正弦波A.C.电流。
-
8.发明授权
公开(公告)号：US5949663A
公开(公告)日：1999-09-07
申请号：US99391
申请日：1998-06-18
CPC分类号： H02M7/003 , H02M7/53873 , H01L2224/48091
摘要： Objects of the present invention are to provide an inverter apparatus in which the specification thereof can be readily changed without changing an inverter basic unit, and to provide an inverter apparatus in which an inverter basic unit and an I/O block unit can be readily separated and the number of degrees of freedom of installation can be increased. An inverter apparatus of the present invention is constituted by an inverter basic unit and an I/O block unit which is connected to the inverter basic unit separately therefrom. The inverter basic unit is constituted by a power module which includes a DC/AC converter and a controller including a microcomputer for managing the DC/AC converter. The I/O block unit is constructed in the form of an I/O block unit which includes an input/output interface unit having signal connection terminals. Since the plurality kinds of I/O block units can be connected to the inverter basic unit and also the software of the microcomputer can be changed with the microcomputer mounted on the associated substrate, the specification and the performance of the inverter apparatus can be readily changed.
摘要翻译： 本发明的目的是提供一种逆变器装置，其中可以容易地改变其规格而不改变逆变器基本单元，并且提供一种逆变器装置，其中逆变器基本单元和I / O块单元可以容易地分离 并且可以增加安装的自由度。 本发明的逆变器装置由与逆变器基本单元分开连接的逆变器基本单元和I / O块单元构成。 逆变器基本单元由包括DC / AC转换器的电源模块和包括用于管理DC / AC转换器的微计算机的控制器构成。 I / O块单元以I / O块单元的形式构成，其包括具有信号连接端子的输入/输出接口单元。 由于可以将多种I / O块单元连接到逆变器基本单元，并且也可以通过安装在相关基板上的微型计算机来改变微型计算机的软件，因此可以容易地改变逆变器装置的规格和性能 。
-
公开(公告)号：US5075607A
公开(公告)日：1991-12-24
申请号：US592664
申请日：1990-10-04
申请人： Haruo Koharagi , Kazuo Tahara , Tsunehiro Endo , Kunio Miyashita , Yoshitaro Ishii , Fumio Jyoraku , Syuji Watanabe , Hisanori Toyoshima , Kohichi Saito , Wakichiro Hishi , Koujirou Yamashita
发明人： Haruo Koharagi , Kazuo Tahara , Tsunehiro Endo , Kunio Miyashita , Yoshitaro Ishii , Fumio Jyoraku , Syuji Watanabe , Hisanori Toyoshima , Kohichi Saito , Wakichiro Hishi , Koujirou Yamashita
CPC分类号： A47L9/2889 , A47L9/2826 , A47L9/2831 , A47L9/2842 , A47L9/2894 , H02P23/0077 , H02P6/06 , Y10S388/904 , Y10S388/93
摘要： Method and apparatus for operating a vacuum cleaner in which by detecting a rotational speed of a variable speed fan motor adapted to give a suction force to the cleaner and its change range, the choking state of the filter and the state of the cleaned surface are discriminated, and a speed command of the fan motor is corrected on the basis of the result of the discrimination, and the comfortable cleaning can be performed by the optimum suction force.
-
公开(公告)号：US4977508A
公开(公告)日：1990-12-11
申请号：US929912
申请日：1986-11-13
申请人： Naoyuki Tanaka , Yozo Nakamura , Akira Arai , Mitsuru Nakamura , Tsunehiro Endo , Yuzo Kadomukai
发明人： Naoyuki Tanaka , Yozo Nakamura , Akira Arai , Mitsuru Nakamura , Tsunehiro Endo , Yuzo Kadomukai
IPC分类号： G05D13/62 , F02B3/06 , F02B75/02 , F02B75/06 , F02D29/00 , F02D29/06 , F02D45/00 , H02P29/00
CPC分类号： F02B75/06 , H02P29/0016 , F02B2075/027 , F02B3/06
摘要： An engine load torque controller detects the engine output torque variation as an engine speed variation and controls the load torque of an auxiliary machinary driven by the engine basing on the detected speed variation, thereby diminishing the vibration of the engine.
-
-
-
-
-
-
-
-
-
搜索结果
65 条记录 (耗时 0.035 秒)