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1. 发明申请

US20080211316A1 Electric power converter 有权
标题翻译：电力转换器
公开(公告)号：US20080211316A1
公开(公告)日：2008-09-04
申请号：US11987566
申请日：2007-11-30
申请人： Yasuto Watanabe , Mitsuaki Hirakawa , Satoshi Hashino
发明人： Yasuto Watanabe , Mitsuaki Hirakawa , Satoshi Hashino
IPC分类号： H02M3/07
CPC分类号： H02M3/158 , H02M3/1588 , Y02B70/1466
摘要： 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.
摘要翻译：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。

2. 发明授权

US08106635B2 Power converter 有权
标题翻译：电源转换器
公开(公告)号：US08106635B2
公开(公告)日：2012-01-31
申请号：US12537440
申请日：2009-08-07
申请人： Yasuto Watanabe , Satoshi Hashino , Mitsuaki Hirakawa
发明人： Yasuto Watanabe , Satoshi Hashino , Mitsuaki Hirakawa
IPC分类号： G05F1/613
CPC分类号： H02M3/158
摘要： 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.
摘要翻译：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。

3. 发明授权

US07948221B2 Electric power converter 有权
标题翻译：电力转换器
公开(公告)号：US07948221B2
公开(公告)日：2011-05-24
申请号：US11987566
申请日：2007-11-30
申请人： Yasuto Watanabe , Mitsuaki Hirakawa , Satoshi Hashino
发明人： Yasuto Watanabe , Mitsuaki Hirakawa , Satoshi Hashino
IPC分类号： G05F1/618
CPC分类号： H02M3/158 , H02M3/1588 , Y02B70/1466
摘要： 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.
摘要翻译：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。

4. 发明申请

US20090290269A1 Power converter 有权
标题翻译：电源转换器
公开(公告)号：US20090290269A1
公开(公告)日：2009-11-26
申请号：US12453766
申请日：2009-05-21
申请人： Yasuto Watanabe , Satoshi Hashino , Mitsuaki Hirakawa
发明人： Yasuto Watanabe , Satoshi Hashino , Mitsuaki Hirakawa
IPC分类号： H02H9/00
CPC分类号： H02M3/158 , H02M3/1582
摘要： 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).
摘要翻译：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）。

5. 发明授权

US08184421B2 Power converter 有权
标题翻译：电源转换器
公开(公告)号：US08184421B2
公开(公告)日：2012-05-22
申请号：US12453766
申请日：2009-05-21
申请人： Yasuto Watanabe , Satoshi Hashino , Mitsuaki Hirakawa
发明人： Yasuto Watanabe , Satoshi Hashino , Mitsuaki Hirakawa
IPC分类号： H02H3/00
CPC分类号： H02M3/158 , H02M3/1582
摘要： 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).
摘要翻译：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）。

6. 发明授权

US08659272B2 Bidirectional boost-buck DC-DC converter 有权
标题翻译：双向升压降压型DC-DC转换器
公开(公告)号：US08659272B2
公开(公告)日：2014-02-25
申请号：US13388766
申请日：2010-08-03
申请人： Yasuto Watanabe , Mitsuaki Hirakawa
发明人： Yasuto Watanabe , Mitsuaki Hirakawa
IPC分类号： G05F1/24 , G05F1/00
CPC分类号： H02M3/1582 , H02M3/1584
摘要： To provide a DC/DC converter capable of down-sizing magnetic components and varying boosting and bucking ratios, and a bidirectional boosting-bucking operations, a bidirectional boosting-bucking magnetic-field cancellation type of DC/DC converter (10) is provided which includes: a first voltage side port (P1), a second voltage side port (P2); a common reference terminal (CP), a smoothing capacitor (C1), four switching elements (SW1, SW2, SW3, SW4), an inductors (L1, L2), a magnetic-field cancellation type transformer T including a primary winding (L3) and a secondary winging (L4), four switching elements (SW5, SW6, SW7, SW8), and a smoothing capacitor (C2).
摘要翻译：为了提供能够减小磁性部件的尺寸和改变升压和降压比的DC / DC转换器以及双向增压降压操作，提供了一种双向升压降压磁场消除型DC / DC转换器（10）包括：第一电压侧端口（P1），第二电压侧端口（P2）; 公共基准端子（CP），平滑电容器（C1），四个开关元件（SW1，SW2，SW3，SW4），电感器（L1，L2），包括初级绕组）和次级翼（L4），四个开关元件（SW5，SW6，SW7，SW8）和平滑电容器（C2）。

7. 发明申请

US20080238383A1 Power converter and multiport power converter 有权
标题翻译：电源转换器和多端口电源转换器
公开(公告)号：US20080238383A1
公开(公告)日：2008-10-02
申请号：US12076514
申请日：2008-03-19
申请人： Yasuto Watanabe , Mitsuaki Hirakawa
发明人： Yasuto Watanabe , Mitsuaki Hirakawa
IPC分类号： G05F1/00
CPC分类号： H02M1/32 , H02M3/158
摘要： The DC/DC converter is that which is constituted so as to have a failure detecting circuit in which a first capacitor and a second capacitor are connected in series, a plurality of switches are switched according to a predetermined operating mode to select an inductor, the first capacitor and the second capacitor, allowing them to function, thereby performing any one of the boost, buck, and conducting operations of input voltage.
摘要翻译： DC / DC转换器是构成为具有串联连接第一电容器和第二电容器的故障检测电路，根据预定的工作模式切换多个开关以选择电感器，第一电容器和第二电容器，使它们起作用，从而执行输入电压的升压，降压和导通操作中的任一个。

8. 发明申请

US20080036435A1 Phase control device for DC/DC converter 有权
标题翻译： DC / DC转换器的相位控制装置
公开(公告)号：US20080036435A1
公开(公告)日：2008-02-14
申请号：US11882997
申请日：2007-08-08
申请人： Yasuto Watanabe , Mitsuaki Hirakawa , Keigo Andou
发明人： Yasuto Watanabe , Mitsuaki Hirakawa , Keigo Andou
IPC分类号： H02M3/155 , G05F1/44
CPC分类号： H02M3/1584
摘要： A phase control device for use with a voltage-boosting DC/DC converter includes a current sensor for detecting a current flowing through at least one of the primary and secondary windings of a transformer of the DC/DC converter, a ripple determining section for, on the basis of a current signal detected by the current sensor, determining an amount of current ripple occurring when a first switching element or second switching element switches to an ON state, and a phase regulating section for, on the basis of the amount of current ripple determined by the ripple determining section, regulating a phase related to an ON time of each of the first and second switching elements such that the amount of current ripple is reduced to zero.
摘要翻译：与升压型DC / DC转换器一起使用的相位控制装置包括用于检测流过DC / DC转换器的变压器的初级和次级绕组中的至少一个的电流的电流传感器，基于由电流传感器检测到的电流信号，确定当第一开关元件或第二开关元件切换到导通状态时发生的电流纹波的量，以及基于电流量的相位调节部由纹波确定部确定的纹波，调节与第一和第二开关元件中的每一个的导通时间相关的相位，使得电流纹波的量减小到零。

9. 发明授权

US07151364B2 DC/DC converter and program 有权
标题翻译： DC / DC转换器和程序
公开(公告)号：US07151364B2
公开(公告)日：2006-12-19
申请号：US11047671
申请日：2005-02-02
申请人： Kouya Kimura , Yasuto Watanabe , Mitsuaki Hirakawa
发明人： Kouya Kimura , Yasuto Watanabe , Mitsuaki Hirakawa
IPC分类号： G05F1/40
CPC分类号： H02M3/1584
摘要： A small and light weight DC/DC converter is provided comprising a coil in which a first coil and a second coil are wound in opposite directions (reversed phases) on the same core is used, and at the same time as when an excitation current is flowed in the first coil with a switch ON and a switch OFF, an electric current is generated in the second coil in a direction to offset the magnetization of the core, and the electric current from the second coil is transferred to an output side capacitor. Similarly, at the same time as an excitation current is flowed in the second coil with the switch ON and the switch OFF, an electric current is generated in the first coil in a direction to offset the magnetization of the core, and the electric current from the first coil is transferred to the output side capacitor.
摘要翻译：提供了一种小型轻型DC / DC转换器，其包括线圈，其中第一线圈和第二线圈沿相同方向（反相）缠绕在相同的芯上，并且在激励电流为在开关ON和开关OFF的第一线圈中流动，在第二线圈中产生电流以抵消芯的磁化的方向，并且来自第二线圈的电流被传送到输出侧电容器。类似地，同时当开关接通和断开时，激励电流在第二线圈中流动，在第一线圈中产生电流以抵消芯的磁化方向，并且电流从第一线圈被传送到输出侧电容器。

10. 发明授权

US08228690B2 DC-DC converter and power supplying system including same 有权
标题翻译： DC-DC转换器和包括它的供电系统
公开(公告)号：US08228690B2
公开(公告)日：2012-07-24
申请号：US12851144
申请日：2010-08-05
申请人： Yasuto Watanabe , Mitsuaki Hirakawa
发明人： Yasuto Watanabe , Mitsuaki Hirakawa
IPC分类号： H02M3/335 , H02M1/10
CPC分类号： H02M3/1584 , H02J1/10 , H02J2001/004 , Y10T307/50 , Y10T307/658
摘要： A DC-DC converter has a first-voltage-side port, a second-voltage-side port, and a third-voltage-side port, and performs, at different timings, an operation of boosting a first voltage to a third voltage and an operation of bucking a second voltage to the third voltage. A power supplying system includes a fuel cell, a secondary battery, an accessory system, the DC-DC converter, and another DC-DC converter connected between the fuel cell and a motor, and boosting the first voltage of the fuel cell to a fourth voltage to supply power to the motor through an inverter. The former DC-DC converter has the first-voltage-side port connected to the fuel cell, has the second-voltage-side port connected to the secondary battery, and has the third-voltage-side port connected to the accessory system.
摘要翻译： DC-DC转换器具有第一电压侧端口，第二电压侧端口和第三电压侧端口，并且在不同的定时执行将第一电压升压到第三电压的操作，以及将第二电压抵消到第三电压的操作。供电系统包括燃料电池，二次电池，附件系统，DC-DC转换器和连接在燃料电池和电动机之间的另一个DC-DC转换器，并将燃料电池的第一电压升压到第四电压通过变频器向电机供电。前一个DC-DC转换器具有连接到燃料电池的第一电压侧端口，具有连接到二次电池的第二电压侧端口，并且具有连接到附件系统的第三电压侧端口。

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