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    • 1. 发明授权
    • Fuel cell power supply
    • 燃料电池电源
    • US08481220B2
    • 2013-07-09
    • US12320188
    • 2009-01-21
    • Mitsuaki HirakawaMinoru Noguchi
    • Mitsuaki HirakawaMinoru Noguchi
    • H01M8/04
    • H01M8/04559H01M8/04567H01M8/04649H01M8/04656H01M8/0491H01M8/04917
    • A fuel cell power supply includes a fuel cell voltage detection means which detects a terminal-to-terminal voltage of the fuel cell; an internal resistance calculation element configured to supply electric power from a battery to a motor via a second DC-DC converter and configured to calculates a resistance value of an internal resistance of the fuel cell on the basis of a detection voltage of the fuel cell in a state where a current output of the fuel cell is stopped, a detection voltage of a terminal-to-terminal voltage of the fuel cell in a state where the output current of the fuel cell is adjusted to a value, and the value; and a deterioration level determination element configured to determines a deterioration level of the fuel cell on the basis of a change in the resistance value of the internal resistance of the fuel cell.
    • 燃料电池电源包括检测燃料电池的端子间电压的燃料电池电压检测装置; 内部电阻计算元件,被配置为经由第二DC-DC转换器从电池向电动机提供电力,并且被配置为基于所述燃料电池的检测电压来计算所述燃料电池的内部电阻的电阻值 在燃料电池的电流输出停止的状态下,将燃料电池的输出电流调整为一个值的状态下的燃料电池的端子间电压的检测电压和该值; 以及劣化程度确定元件,其被配置为基于燃料电池的内阻的电阻值的变化来确定燃料电池的劣化水平。
    • 4. 发明授权
    • Power converter
    • 电源转换器
    • US08106635B2
    • 2012-01-31
    • US12537440
    • 2009-08-07
    • Yasuto WatanabeSatoshi HashinoMitsuaki Hirakawa
    • Yasuto WatanabeSatoshi HashinoMitsuaki Hirakawa
    • G05F1/613
    • H02M3/158
    • A power converter includes an input unit, an output unit, first and second capacitors connected in series, a first electric conduction control device, a second electric conduction control device, a third electric conduction control device, and a fourth electric conduction control device, and a control circuit for performing on/off control on those electric conduction control devices. The first electric conduction control device and the fourth electric conduction control device have a first path through which a current flowing between the input unit and the output unit is allowed to flow in one direction, and a second path which has a switch function of allowing the current flowing between the input unit and the output unit to flow through or shutting off such a current.
    • 电力转换器包括输入单元,输出单元,串联连接的第一和第二电容器,第一导电控制装置,第二导电控制装置,第三导电控制装置和第四导电控制装置,以及 用于对这些导电控制装置进行开/关控制的控制电路。 第一导电控制装置和第四导电控制装置具有第一路径,允许在一个方向上流过在输入单元和输出单元之间流动的电流,第二路径具有允许 在输入单元和输出单元之间流动的电流流过或关闭这样的电流。
    • 5. 发明授权
    • Fuel cell power supply device
    • 燃料电池供电装置
    • US07994751B2
    • 2011-08-09
    • US12222292
    • 2008-08-06
    • Minoru NoguchiMitsuaki HirakawaTakeshi FujinoEisuke Komazawa
    • Minoru NoguchiMitsuaki HirakawaTakeshi FujinoEisuke Komazawa
    • H01M10/44G05F1/10B60K1/00G08B3/00
    • H01M8/04619B60L1/006B60L11/005B60L11/1868B60L11/1885B60L11/1887H01M8/04626H01M8/0494H01M8/04947H01M10/488H01M16/003H01M16/006H01M2250/20H02J7/345H02J2001/004Y02T10/7022Y02T10/7066Y02T90/32Y02T90/34
    • A fuel cell power supply device capable of externally supplying electric power in a stable manner is provided. The fuel cell power supply device includes a fuel cell (1), a capacitor (2) connected in parallel to the fuel cell, a voltage boosting means (3) having an input unit connected in parallel to the fuel cell and the capacitor and an output unit connected to a load (M), and for boosting the output voltages of the fuel cell and the capacitor to supply electric power by the boosted voltages to the load, a secondary battery (6) connected to the output unit of the voltage boosting means via a voltage conversion means (7), a first electric power supply unit (10) connected in parallel to the fuel cell and the capacitor and capable of externally supplying electric power, and an electric power supply control means (30) for controlling supply of electric power from the fuel cell, the capacitor, and the secondary battery to the first electric power supply unit, based on the output of the fuel cell and the charge levels of the capacitor and the secondary battery, in a range where the charge level of the capacitor is not lower than its discharge threshold value and the charge level of the secondary battery is not lower than its discharge threshold value.
    • 提供能够以稳定的方式从外部供给电力的燃料电池电源装置。 燃料电池电源装置包括燃料电池(1),与燃料电池并联连接的电容器(2),具有与燃料电池和电容器并联连接的输入单元的升压装置(3)和 连接到负载(M)的输出单元,并且用于升压燃料电池和电容器的输出电压以通过升压电压向负载提供电力;二次电池(6),其连接到升压的输出单元 通过电压转换装置(7),与燃料电池并联连接并能够从外部供电的第一电力供应单元(10)和用于控制供电的电力供应控制装置(30) 基于燃料电池的输出和电容器和二次电池的充电电平,从燃料电池,电容器和二次电池到第一电力供应单元的电力的电力在充电水平 的 电容器不低于其放电阈值,并且二次电池的充电水平不低于其放电阈值。
    • 7. 发明授权
    • Electric power converter
    • 电力转换器
    • US07948221B2
    • 2011-05-24
    • US11987566
    • 2007-11-30
    • Yasuto WatanabeMitsuaki HirakawaSatoshi Hashino
    • Yasuto WatanabeMitsuaki HirakawaSatoshi Hashino
    • G05F1/618
    • H02M3/158H02M3/1588Y02B70/1466
    • The invention provides an optimal electric power converter for a DC/DC converter which variably steps up a voltage successively with an optional magnification of one to two times or more and/or step down a voltage successively with a step-down ratio of one time or less. The converter includes a first input-output part, an inductor connected with a positive or a negative electrode side of the first input-output part, plural switches, plural capacitors, a second input-output part connected with plural capacitors, and a control circuit, wherein the control circuit controls the plural switches with operation mode and makes the inductor and plural capacitors selectively functional, wherein the electric power converter is of a switched capacitance type that performs any operation out of step-up, step-down, regeneration, and continuity, and wherein the control circuit controls to have a period for which two switches out of the plural switches are simultaneously turned ON.
    • 本发明提供了一种用于DC / DC转换器的最佳电力转换器,其可变地以一次或两次以上的可选放大倍数逐渐升高电压,和/或以一次的降压比连续降压电压, 减。 该转换器包括第一输入输出部分,与第一输入输出部分的正或负电极侧连接的电感器,多个开关,多个电容器,与多个电容器连接的第二输入 - 输出部分,以及控制电路 其中所述控制电路以操作模式控制所述多个开关,并且使所述电感器和所述多个电容器选择性地起作用,其中所述电力转换器是开关电容型,其执行升压,降压,再生和 连续性,并且其中控制电路控制具有同时导通的多个开关中的两个开关的周期。
    • 8. 发明授权
    • Composite transformer and power converter using same
    • 复合变压器和功率转换器使用相同
    • US07839255B2
    • 2010-11-23
    • US12453822
    • 2009-05-22
    • Masao NaganoMitsuaki Hirakawa
    • Masao NaganoMitsuaki Hirakawa
    • H01F17/04H01F27/02H01F27/34H01F27/28H02M7/00H02M7/537G05F1/00G05F3/16
    • H01F3/10H01F27/2847H01F27/38H01F30/10H02M3/1584
    • A composite transformer, having first and second inductors and a transformer, includes a transformer core that has a core leg around which portions of first and second windings are wound, and a base fixing the core leg, a first inductor core that has a core leg around which a portion of the first winding is wound and a base fixing the core leg, and a second inductor core that has a core leg around which a portion of the second winding is wound and a base fixing the core leg. The first and second windings are wound in a manner that flux are cancelled with each other, and are wound around the core leg of the transformer core in a manner alternately overlapping with each other, and are wound around respective core legs of the first and second inductor cores so as to be apart from each other to suppress any interference of magnetic fluxes.
    • 具有第一和第二电感器和变压器的复合变压器包括变压器铁心,其具有卷绕第一和第二绕组的部分的铁心脚和固定该芯腿的基座,具有芯腿的第一电感器芯 卷绕第一绕组的一部分和固定芯腿的基座以及具有卷绕第二绕组的一部分的芯腿的第二电感器芯和固定芯腿的基部。 第一绕组和第二绕组以使得磁通彼此抵消的方式缠绕,并且以彼此交替重叠的方式缠绕在变压器芯的芯脚上,并且缠绕在第一和第二绕组的相应的芯柱 电感器芯彼此分离以抑制磁通量的任何干扰。
    • 10. 发明申请
    • Power converter
    • 电源转换器
    • US20090290269A1
    • 2009-11-26
    • US12453766
    • 2009-05-21
    • Yasuto WatanabeSatoshi HashinoMitsuaki Hirakawa
    • Yasuto WatanabeSatoshi HashinoMitsuaki Hirakawa
    • H02H9/00
    • H02M3/158H02M3/1582
    • The objective of the present invention is to provide a power converter capable of not only boosting the voltage but also shutting-off the flowing current, by switching only the switch element. The power converter 1, comprises a first input-output portion 3, a second input-output portion 5, a first capacitor C1, a second capacitor C2 electrically connected with the first capacitor C1 in serial, a first current control block B1, a second current control block B2, a third current control block B3, a fourth current control block B4, and a switching controller 7 operable to switch certain current control blocks, wherein the current flowing direction is opposite to each other between a first current control element B1a (B2a, B3a, B4a) and a second current control element B1b (B2b, B3b, B4b) which compose the current control block B1 (B2, B3, B4).
    • 本发明的目的是提供一种功率转换器,其不仅可以通过仅切换开关元件来提升电压而且能够关闭流动电流。 功率转换器1包括第一输入输出部分3,第二输入输出部分5,第一电容器C1,与第一电容器C1串联电连接的第二电容器C2,第一电流控制块B1,第二电容器C1 电流控制块B2,第三电流控制块B3,第四电流控制块B4和可操作以切换某些电流控制块的开关控制器7,其中电流流动方向在第一电流控制元件B1a之间彼此相反 B2a,B3a,B4a)和构成电流控制块B1(B2,B3,B4)的第二电流控制元件B1b(B2b,B3b,B4b)。