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    • 1. 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。
    • 2. 发明授权
    • Power conversion apparatus
    • 电力转换装置
    • US08031478B2
    • 2011-10-04
    • US12860524
    • 2010-08-20
    • Hiroshi YamabuchiYuji KuramotoHirotoshi MaekawaRyoji Nishiyama
    • Hiroshi YamabuchiYuji KuramotoHirotoshi MaekawaRyoji Nishiyama
    • H01R9/00
    • H05K7/1432
    • A power conversion apparatus comprising a base 110 which includes a first fixation portion 110a and a second fixation portion 110b that are coupled to each other at a desired angle, wherein power modules IPM1, IPM2 and IPM3 are fixed on the first fixation portion 110a of the base 110, a control circuit board 10 is fixed with its first principal surface 10a held in direct or indirect touch with the second fixation portion 110b of the base 110, and components constituting a control circuit are packaged on the second principal surface 10b of the control circuit board 10. Owing to the configuration, a versatility for the installation of the power conversion apparatus on a vehicle becomes high, the vibration-proofness of the control circuit board is enhanced, and heats generated by the electronic components, etc. packaged on the control circuit board are sufficiently emitted.
    • 一种电源转换装置,包括基座110,其包括以期望的角度彼此联接的第一固定部分110a和第二固定部分110b,其中电力模块IPM1,IPM2和IPM3固定在第一固定部分110a的第一固定部分110a上 基座110,其第一主表面10a与基座110的第二固定部分110b直接或间接接触地固定控制电路板10,并且构成控制电路的部件被封装在控制器的第二主表面10b上 由于该结构,因此在车辆上安装电力转换装置的多功能性变高,控制电路板的防振性提高,电子部件等产生的热量被包装在 控制电路板充分发射。
    • 4. 发明申请
    • POWER CONVERSION APPARATUS
    • 功率转换装置
    • US20110013439A1
    • 2011-01-20
    • US12860524
    • 2010-08-20
    • Hiroshi YamabuchiYuji KuramotoHirotoshi MaekawaRyoji Nishiyama
    • Hiroshi YamabuchiYuji KuramotoHirotoshi MaekawaRyoji Nishiyama
    • H02M7/515
    • H05K7/1432
    • A power conversion apparatus comprising a base 110 which includes a first fixation portion 110a and a second fixation portion 110b that are coupled to each other at a desired angle, wherein power modules IPM1, IPM2 and IPM3 are fixed on the first fixation portion 110a of the base 110, a control circuit board 10 is fixed with its first principal surface 10a held in direct or indirect touch with the second fixation portion 110b of the base 110, and components constituting a control circuit are packaged on the second principal surface 10b of the control circuit board 10. Owing to the configuration, a versatility for the installation of the power conversion apparatus on a vehicle becomes high, the vibration-proofness of the control circuit board is enhanced, and heats generated by the electronic components, etc. packaged on the control circuit board are sufficiently emitted.
    • 一种电源转换装置,包括基座110,其包括以期望的角度彼此联接的第一固定部分110a和第二固定部分110b,其中电力模块IPM1,IPM2和IPM3固定在第一固定部分110a的第一固定部分110a上 基座110,其第一主表面10a与基座110的第二固定部分110b直接或间接接触地固定控制电路板10,并且构成控制电路的部件被封装在控制器的第二主表面10b上 由于该结构,因此在车辆上安装电力转换装置的多功能性变高,控制电路板的防振性提高,电子部件等产生的热量被包装在 控制电路板充分发射。
    • 6. 发明授权
    • Control system for engine generator
    • 发动机发电机控制系统
    • US5703410A
    • 1997-12-30
    • US569986
    • 1995-12-08
    • Hirotoshi Maekawa
    • Hirotoshi Maekawa
    • B60L11/08H02P9/04H02P9/30
    • H02P9/04
    • A control system for an internal combustion engine equipped with an engine generator suppresses fluctuation and pulsation of rotation number of a crank shaft to realize optimal engine operation, enhanced fuel-cost performance and improved exhaust gas purification. An electronic controller for controlling an exciting current of the engine generator and an actuator for a throttle valve includes a unit for determining and storing a desired output power of the engine generator for a load voltage, a unit for determining and storing a desired torque of the engine generator as demanded for generating the desired output power on the basis of the load voltage and a rotation number of the crank shaft, a unit for arithmetically determining an exciting current required for making the demanded torque of the generator coincide with the desired torque, and a unit for driving an excitation coil assembly with the exciting current as determined. By controlling the demanded torque of the engine generator to be constant, the output power thereof is controlled to be constant while allowing the engine to operate at the rotation number which ensures a maximum output efficiency for the engine.
    • 配备有发动机发电机的内燃机的控制系统抑制曲轴的转数的波动和脉动,以实现最佳的发动机运转,提高燃料成本性能和改进废气净化。 用于控制发动机发电机的励磁电流的电子控制器和节流阀的致动器包括用于确定和存储用于负载电压的发动机发电机的期望输出功率的单元,用于确定和存储所述发动机的期望转矩的单元 发动机发电机根据负载电压和曲轴的转数要求产生期望的输出功率,用于算术确定使发电机的要求转矩所需的励磁电流与期望转矩一致的单元,以及 用于驱动具有确定的激励电流的励磁线圈组件的单元。 通过将发动机发电机的要求扭矩控制为恒定,其输出功率被控制为恒定,同时允许发动机以确保发动机的最大输出效率的转数运行。