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    • 13. 发明申请
    • DC/DC POWER CONVERSION DEVICE
    • DC / DC电源转换器件
    • US20080253156A1
    • 2008-10-16
    • US12060542
    • 2008-04-01
    • Takahiro UrakabeMatahiko IkedaMasaru Kobayashi
    • Takahiro UrakabeMatahiko IkedaMasaru Kobayashi
    • H02J1/10
    • H02M3/158Y02B70/1425
    • A DC/DC power conversion device with smoothing capacitors including three column circuits share the smoothing capacitors to be connected in parallel, each column circuit have a plurality of circuits connected in series where two MOSFETs are connected in series between both ends of respective smoothing capacitors and LC serial bodies of capacitors and inductors with the same resonant cycle are disposed between the circuits at two middle terminals. Driving signals for the respective column circuits have the same driving cycle identical with the resonant cycle of the LC serial bodies, and are out of phase with each other by 2π/3(rad), and thus charge-discharge currents towards the smoothing capacitors are circulated among the column circuits and ripple currents flowing through the smoothing capacitors are reduced.
    • 具有包括三列电路的平滑电容器的DC / DC电力转换装置共享要并联连接的平滑电容器,每列电路具有串联连接的多个电路,其中两个MOSFET串联连接在各个平滑电容器的两端之间, 具有相同谐振周期的电容器和电感器的LC串联体设置在两个中间端子之间的电路之间。 各列电路的驱动信号具有与LC串联体的共振循环相同的驱动周期,并且彼此相位为2pi / 3(rad),因此向平滑电容器的充放电电流为 在列电路之间循环,并且流过平滑电容器的纹波电流减小。
    • 14. 发明授权
    • DC/DC power conversion device
    • 直流/直流电源转换装置
    • US07729144B2
    • 2010-06-01
    • US12060542
    • 2008-04-01
    • Takahiro UrakabeMatahiko IkedaMasaru Kobayashi
    • Takahiro UrakabeMatahiko IkedaMasaru Kobayashi
    • H02M7/00
    • H02M3/158Y02B70/1425
    • A DC/DC power conversion device with smoothing capacitors including three column circuits share the smoothing capacitors to be connected in parallel, each column circuit have a plurality of circuits connected in series where two MOSFETs are connected in series between both ends of respective smoothing capacitors and LC serial bodies of capacitors and inductors with the same resonant cycle are disposed between the circuits at two middle terminals. Driving signals for the respective column circuits have the same driving cycle identical with the resonant cycle of the LC serial bodies, and are out of phase with each other by 2π/3(rad), and thus charge-discharge currents towards the smoothing capacitors are circulated among the column circuits and ripple currents flowing through the smoothing capacitors are reduced.
    • 具有包括三列电路的平滑电容器的DC / DC电力转换装置共享要并联连接的平滑电容器,每列电路具有串联连接的多个电路,其中两个MOSFET串联连接在各个平滑电容器的两端之间, 具有相同谐振周期的电容器和电感器的LC串联体设置在两个中间端子之间的电路之间。 各列电路的驱动信号具有与LC串联体的共振循环相同的驱动周期,并且彼此相位为2& r / 3(rad),因此对平滑电容器的充放电电流 在列电路之间循环,并且流过平滑电容器的纹波电流减小。
    • 15. 发明授权
    • DC-DC power conversion apparatus
    • DC-DC电力转换装置
    • US09007040B2
    • 2015-04-14
    • US13635108
    • 2010-11-04
    • Matahiko IkedaMasaru KobayashiHirotoshi MaekawaNaoki MoritakeTakao Mitsui
    • Matahiko IkedaMasaru KobayashiHirotoshi MaekawaNaoki MoritakeTakao Mitsui
    • G05F1/59H02M3/158
    • H02M3/158
    • Disclosed is a DC-DC power conversion apparatus (10) including two or more switching units (SU1, SU2) each of which further includes two semiconductor switching elements (Sa, Sb), and wherein each of the semiconductor switching elements (S1a, S1b, S2a, S2b) of each of the switching units are all connected in series, and which also includes an energy transition capacitor (C1) for conducting charging/discharging, and an inductor (L). The DC-DC power conversion apparatus (10) is also provided with a control unit that makes the semiconductor elements execute operations in four types of switching modes, according to the ratio (V2/V0) of the input/output voltages of the power conversion apparatus and the direction of the power transmission, and that also makes the elements carry out a current-discontinuing operation wherein the inductor current will become zero during switching operation, upon low load.
    • 公开了一种包括两个或更多个开关单元(SU1,SU2)的DC-DC电力转换装置(10),每个开关单元还包括两个半导体开关元件(Sa,Sb),并且其中每个半导体开关元件(S1a,S1b) ,S2a,S2b)均串联连接,并且还包括用于导通充电/放电的能量转换电容器(C1)和电感器(L)。 DC-DC电力转换装置(10)还具有控制单元,该控制单元根据电力转换的输入输出电压的比(V2 / V0),使半导体元件以四种开关模式进行动作 装置和电力传输的方向,并且还使元件进行电流中断操作,其中在开关操作期间,在低负载时电感器电流将变为零。
    • 18. 发明申请
    • DC-DC POWER CONVERSION APPARATUS
    • DC-DC电源转换器
    • US20130002215A1
    • 2013-01-03
    • US13635108
    • 2010-11-04
    • Matahiko IkedaMasaru KobayashiHirotoshi MaekawaNaoki MoritakeTakao Mitsui
    • Matahiko IkedaMasaru KobayashiHirotoshi MaekawaNaoki MoritakeTakao Mitsui
    • G05F1/46
    • H02M3/158
    • Disclosed is a DC-DC power conversion apparatus (10) including two or more switching units (SU1, SU2) each of which further includes two semiconductor switching elements (Sa, Sb), and wherein each of the semiconductor switching elements (S1a, S1b, S2a, S2b) of each of the switching units are all connected in series, and which also includes an energy transition capacitor (C1) for conducting charging/discharging, and an inductor (L). The DC-DC power conversion apparatus (10) is also provided with a control unit that makes the semiconductor elements execute operations in four types of switching modes, according to the ratio (V2/V0) of the input/output voltages of the power conversion apparatus and the direction of the power transmission, and that also makes the elements carry out a current-discontinuing operation wherein the inductor current will become zero during switching operation, upon low load.
    • 公开了一种包括两个或更多个开关单元(SU1,SU2)的DC-DC电力转换装置(10),每个开关单元还包括两个半导体开关元件(Sa,Sb),并且其中每个半导体开关元件(S1a,S1b) ,S2a,S2b)均串联连接,并且还包括用于导通充电/放电的能量转换电容器(C1)和电感器(L)。 DC-DC电力转换装置(10)还具有控制单元,该控制单元根据电力转换的输入输出电压的比(V2 / V0),使半导体元件以四种开关模式进行动作 装置和电力传输的方向,并且还使得元件进行电流中断操作,其中在开关操作期间,在低负载时电感器电流将变为零。
    • 19. 发明授权
    • Motor control unit
    • 电机控制单元
    • US06268986B1
    • 2001-07-31
    • US09421480
    • 1999-10-20
    • Masaru KobayashiHirotoshi Maekawa
    • Masaru KobayashiHirotoshi Maekawa
    • H02H504
    • H03K17/0828H02P29/68H03K17/6871H03K2017/0806
    • In a motor control unit adapted to control each switching element of each switching arm and control the current sent to a motor, the temperature sensing diodes 19a˜19c are arranged near the switching elements and a constant current circuit 18 is connected to the temperature sensing diode. An overheat prevention means is also provided to recognize the switching element temperature by detecting a forward voltage value of the diode and to place the switching element in an OFF-state when the switching element is judged to be in an overheat condition based on the recognized temperature of the switching element.
    • 在适于控制每个开关臂的每个开关元件并控制发送到电动机的电流的电动机控制单元中,温度感测二极管19a〜19c布置在开关元件附近,并且恒流电路18连接到温度感测二极管 。 还提供一种过热防止装置,用于通过检测二极管的正向电压值来识别开关元件的温度,并且当开关元件被判断为处于过热状态时,基于识别的温度将开关元件置于OFF状态 的开关元件。