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    IN-VEHICLE STEP-DOWN SWITCHING POWER SUPPLY, IN-VEHICLE ELECTRONIC CONTROL DEVICE, AND IDLE STOP SYSTEM
    2.
    发明公开
    IN-VEHICLE STEP-DOWN SWITCHING POWER SUPPLY, IN-VEHICLE ELECTRONIC CONTROL DEVICE, AND IDLE STOP SYSTEM 审中-公开
    亚利桑那州立大学医学院，埃里克斯通公司STEUERUNGSVORRICHTUNG UND LEERLAUFSTOPPSYSTEM

    公开(公告)号：EP2816713A1

    公开(公告)日：2014-12-24

    申请号：EP13748897.9

    申请日：2013-01-21

    申请人： Hitachi Automotive Systems, Ltd.

    发明人： HATANAKA, Ayumu ,  MAYUZUMI, Takuya ,  SATO, Chihiro

    IPC分类号： H02M3/155

    CPC分类号： B60L50/50 ,  H02M1/08 ,  H02M1/14 ,  H02M1/44 ,  H02M3/156 ,  H02M3/158 ,  H02M2001/0006

    摘要： Provided is an in-vehicle step-down switching power supply capable of obtaining a stable output while suppressing nose in a harmful frequency band even when an input voltage decreases. The in-vehicle step-down switching power supply includes a switching frequency control unit and the switching frequency control unit includes a switching frequency range setting unit that changes a switching frequency between fa and fb and a switching frequency path setting unit that skips a frequency band from fd to fe between fa and fb, via an intermediate frequency fc between fa and fb.

    摘要翻译： 提供一种车内降压开关电源，即使输入电压降低，也能够在抑制有害频带内的鼻子的同时获得稳定的输出。 车载降压开关电源包括开关频率控制单元，开关频率控制单元包括改变fa和fb之间的开关频率的开关频率范围设置单元和跳过频带的开关频率路径设置单元 通过fa和fb之间的中间频率fc，从fd到ff之间。

    INTERNAL COMBUSTION ENGINE CONTROLLER
    3.
    发明公开
    INTERNAL COMBUSTION ENGINE CONTROLLER 审中-公开
    内燃机控制器

    公开(公告)号：EP3113346A1

    公开(公告)日：2017-01-04

    申请号：EP15755400.7

    申请日：2015-01-19

    申请人： Hitachi Automotive Systems, Ltd.

    发明人： KOJIMA, Satoshi ,  MAYUZUMI, Takuya

    IPC分类号： H02M3/155 ,  F02D41/20

    CPC分类号： F02D41/20 ,  B60L50/50 ,  F02D2041/2006 ,  F02D2041/201 ,  F02D2041/2017 ,  F02D2041/2027 ,  F02D2041/2034 ,  F02D2041/2044 ,  F02D2041/2048 ,  F02D2041/2065 ,  F02D2041/2086 ,  F02D2200/503 ,  H02M3/156 ,  H02M3/157

    摘要： According to the present invention, by providing control whereby a rising slope or a descending slope of step-up current (160A, 170A) flowing to a step-up coil (110) is detected, and corrections are made to step-up switching control, the step-up upper and lower limit current values of the step-up circuit can be controlled within intended current threshold values regardless of constant modifications or change in characteristics due to fluctuations of the battery power supply voltage or degradation of step-up circuit elements over time; heat emission by step-up circuit elements can be kept to a minimum; and the step-up recovery time can be adjusted to a constant value regardless of the slope of the step-up current.

    摘要翻译： 根据本发明，通过提供控制，由此检测流到升压线圈（110）的升压电流（160A，170A）的上升斜率或下降斜率，并且对升压切换控制进行校正 ，升压电路的升压上限电流值和下限电流值可以被控制在期望的电流阈值内，而不管由于电池电源电压的波动或升压电路元件的退化而引起的特性的不断变化或变化 随着时间的推移; 升压电路元件的散热可以保持在最小值; 无论升压电流的斜率如何，升压恢复时间都可以调节为恒定值。

    POWER SUPPLY DEVICE
    4.
    发明公开
    POWER SUPPLY DEVICE 审中-公开
    电源设备

    公开(公告)号：EP3190692A1

    公开(公告)日：2017-07-12

    申请号：EP15837709.3

    申请日：2015-06-23

    申请人： Hitachi Automotive Systems, Ltd.

    发明人： LIU, Ming ,  OSADA, Kenichi ,  MAYUZUMI, Takuya ,  WATANABE, Mitsuhiko ,  ONO, Goichi

    IPC分类号： H02M3/155 ,  F02D41/20

    CPC分类号： H02M3/156 ,  F02D41/20 ,  H02M1/08 ,  H02M1/44 ,  H02M2001/0009 ,  H02M2001/0032

    摘要： Downsizing of an inductor is achieved while reducing radiation noise of an inductor current. A boosting power supply unit is, for example, provided in an ECU mounted in a vehicle or the like. The boosting power supply unit has a boosting coil, a switching element and a current control unit 16. The current control unit 16 controls the switching element 12 to turn on and off by using a clock signal CK1 with a higher frequency than a pulse signal SPL in a clamping period when the inductor current flowing in the boosting coil is clamped at a preset peak setting current, and controls the switching element to turn on and off by using the pulse signal SPL in periods other than the clamping period. By controlling the switching element to turn on and off in this manner, the inductor current flowing in the boosting coil is controlled.

    摘要翻译： 在降低电感电流的辐射噪声的同时，实现了电感器的小型化。 升压电源单元例如设置在安装在车辆等中的ECU中。 升压电源单元具有升压线圈，开关元件和电流控制单元16.电流控制单元16通过使用具有比脉冲信号SPL更高的频率的时钟信号CK1来控制开关元件12的导通和关断 在流过升压线圈的电感器电流被钳位在预先设定的峰值设定电流的钳位期间，在钳位期间以外的期间，利用脉冲信号SPL控制开关元件的导通和截止。 通过以这种方式控制开关元件导通和关断，流过升压线圈的电感器电流被控制。

    ELECTROMAGNETIC COIL DRIVING CONTROL DEVICE
    5.
    发明公开
    ELECTROMAGNETIC COIL DRIVING CONTROL DEVICE 审中-公开
    ELEKTROMAGNETISCHE SPULE ZUM ANTRIEB EINER STEUERUNGSVORRICHTUNG

    公开(公告)号：EP2991226A1

    公开(公告)日：2016-03-02

    申请号：EP13882791.0

    申请日：2013-04-25

    申请人： Hitachi Automotive Systems, Ltd.

    发明人： AIKI, Kiyoshi ,  HATANAKA, Ayumu ,  MAYUZUMI, Takuya ,  OYAMA, Katsuya ,  ISHIDA, Ryosuke ,  SUGIYAMA, Yasushi

    IPC分类号： H03K17/16 ,  H02M1/00 ,  H02M3/00 ,  H03K17/687

    CPC分类号： H01F7/204 ,  F02D41/20 ,  F02D2041/001 ,  F02D2041/2041 ,  H02M1/44 ,  H02M3/155 ,  H02M2003/1555 ,  H03K17/162

    摘要： The present invention is to provide a magnet coil drive control device that can efficiently suppress conduction noise while reducing the capacitance of a capacitor. A capacitor and an impedance element are arranged in series on the connecting line connecting the positive electrode line and the negative electrode line of a DC power supply, the connecting line between the capacitor and the impedance element is connected to one end of a magnet coil via a freewheeling diode, and the portion between the freewheeling diode and the one end of the magnet coil is connected to the positive electrode line or the negative electrode line by a switching element. Conduction noise caused by the driving current of the magnet coil can be suppressed by the impedance element, and the capacitance of the capacitor can be further reduced. Accordingly, the magnet coil drive control device can be made smaller in size.

    摘要翻译： 本发明提供一种能够有效地抑制导通噪声同时降低电容器的电容的磁体线圈驱动控制装置。 电容器和阻抗元件串联在连接直流电源的正极线和负极线的连接线上，电容器和阻抗元件之间的连接线连接到电磁线圈通孔的一端 续流二极管，续流二极管和电磁线圈的一端之间的部分通过开关元件连接到正极线或负极线。 通过阻抗元件可以抑制由磁体线圈的驱动电流引起的导通噪声，能够进一步降低电容器的电容。 因此，可以使电磁线圈驱动控制装置的尺寸更小。