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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
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)。
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公开(公告)号:US08440338B2
公开(公告)日:2013-05-14
申请号:US12320260
申请日:2009-01-22
申请人: Kazuo Sato , Eisuke Komazawa , Takeshi Fujino , Mitsuaki Hirakawa
发明人: Kazuo Sato , Eisuke Komazawa , Takeshi Fujino , Mitsuaki Hirakawa
CPC分类号: H01M2/1072 , H01M10/613 , H01M10/625 , H01M10/647 , H01M10/6563 , H01M10/6566
摘要: A battery assembling body capable of preventing a temperature rise of a battery while preventing an inflow of foreign matters. The battery assembling body (12) includes a housing (15) which contains batteries (2a, 2b, 6), a side frame (17) which is used to detachably fit the housing (15) to a lower frame of a vehicle, a ventilation hole (18c) located upper part of the housing (15), and a ventilation space (24a, 24b) which is formed between the housing (15) and the batteries, and the ventilation space (24, 24b) is in communication with the ventilation hole (18c).
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公开(公告)号:US20120056704A1
公开(公告)日:2012-03-08
申请号:US13224370
申请日:2011-09-02
申请人: Masao NAGANO , Satoshi HASHINO , Mitsuaki HIRAKAWA
发明人: Masao NAGANO , Satoshi HASHINO , Mitsuaki HIRAKAWA
CPC分类号: H01F27/38 , H01F27/2828 , H01F27/365 , H01F30/06
摘要: A composite transformer includes: a transformer core including transformer-core legs; inductor cores including inductor-core legs; windings wound around the transformer-core legs and the inductor-core legs; the transformer core includes a pair of transformer bases connected to both ends of each of the transformer-core legs, and allows formation of closed magnetic circuits in the transformer core; each of the inductor cores includes one of the inductor-core legs, an outer core leg, and a pair of inductor bases connected to both ends of the one of the inductor-core legs and both ends of the outer core leg, and allows formation of a closed magnetic circuit in each inductor core; and the windings are wound in such directions that the magnetic fluxes produced in the transformer-core legs cancel each other in the closed magnetic circuits in the transformer core whichever of the windings is energized.
摘要翻译: 复合变压器包括:变压器铁芯,包括变压器铁心脚; 电感芯,包括电感芯脚; 缠绕在变压器芯腿和电感器芯腿周围的绕组; 变压器铁心包括连接到每个变压器铁芯支脚的两端的一对变压器基座,并且允许在变压器铁芯中形成闭合磁路; 每个电感器芯包括一个电感器芯脚,一个外芯脚和一对电感器底座,它们连接到电感器芯脚之一和外芯腿两端的两端,并且允许形成 在每个电感芯中闭合磁路; 并且绕组以这样的方向缠绕,使得在变压器铁芯腿中产生的磁通量在变压器铁芯中的闭合磁路中彼此抵消,无论哪个绕组被通电。
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公开(公告)号:US08084988B2
公开(公告)日:2011-12-27
申请号:US12453696
申请日:2009-05-19
IPC分类号: H01M10/46
CPC分类号: H02J7/345 , B60L11/1887 , H02J2001/004 , Y02T90/34
摘要: A power supply system includes a fuel cell, a capacitor connected in parallel to the fuel cell, a voltage boost means for boosting output voltages from the fuel cell and the capacitor to supply the electric motor with electric power resulting from the boosted voltages, a voltage control means for further boosting an output voltage from the voltage boost means, a secondary battery connected to the voltage control means, an external power source connecting means connected to the one end of the voltage boost means and in parallel with the fuel cell and for receiving supply of electric power from an external power source, and an electronic control unit which charges the secondary battery from the external power source by controlling step-up ratios of the voltage boost means and the voltage control means such that a voltage applied to the secondary battery during the charging becomes a desired voltage.
摘要翻译: 电源系统包括燃料电池,与燃料电池并联连接的电容器,用于升压来自燃料电池和电容器的输出电压的电压升压装置,以向电动机提供由升压电压产生的电力,电压 用于进一步提升来自升压装置的输出电压的控制装置,连接到电压控制装置的二次电池,连接到升压装置的一端并与燃料电池平行并用于接收的外部电源连接装置 从外部电源供应电力;以及电子控制单元,其通过控制升压装置和电压控制装置的升压比从外部电源对二次电池充电,使得施加到二次电池的电压 在充电期间成为期望的电压。
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公开(公告)号:US20110032733A1
公开(公告)日:2011-02-10
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
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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公开(公告)号:US20090289589A1
公开(公告)日:2009-11-26
申请号:US12453696
申请日:2009-05-19
CPC分类号: H02J7/345 , B60L11/1887 , H02J2001/004 , Y02T90/34
摘要: A power supply system includes a fuel cell, a capacitor connected in parallel to the fuel cell, a voltage boost means for boosting output voltages from the fuel cell and the capacitor to supply the electric motor with electric power resulting from the boosted voltages, a voltage control means for further boosting an output voltage from the voltage boost means, a secondary battery connected to the voltage control means, an external power source connecting means connected to the one end of the voltage boost means and in parallel with the fuel cell and for receiving supply of electric power from an external power source, and an electronic control unit which charges the secondary battery from the external power source by controlling step-up ratios of the voltage boost means and the voltage control means such that a voltage applied to the secondary battery during the charging becomes a desired voltage.
摘要翻译: 电源系统包括燃料电池,与燃料电池并联连接的电容器,用于升压来自燃料电池和电容器的输出电压的电压升压装置,以向电动机提供由升压电压产生的电力,电压 用于进一步提升来自升压装置的输出电压的控制装置,连接到电压控制装置的二次电池,连接到升压装置的一端并与燃料电池平行并用于接收的外部电源连接装置 从外部电源供应电力;以及电子控制单元,其通过控制升压装置和电压控制装置的升压比从外部电源对二次电池充电,使得施加到二次电池的电压 在充电期间成为期望的电压。
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公开(公告)号:US20090146493A1
公开(公告)日:2009-06-11
申请号:US12314199
申请日:2008-12-05
IPC分类号: B60L1/00
CPC分类号: B60L15/2045 , B60L11/1887 , B60L2210/10 , B60W30/18127 , Y02T10/645 , Y02T10/7011 , Y02T10/7216 , Y02T10/7283 , Y02T10/92 , Y02T90/34
摘要: A vehicle power supply device which prevents a lack of power supply to the motor and insufficient recovery of regenerative electric power of the motor at the time of switching between power running and regeneration. First input-output sections (3a, 3b) of a first DC-DC converter (3) are connected to second input-output sections (4d, 4e) of a PDU (4), second input-output sections (3c, 3d) of the first DC-DC converter (3) are connected to a fuel cell (1) and a capacitor (2), first input-output sections (20a, 20b) of a second DC-DC converter (20) are connected to second input-output sections (4d, 4e) of the PDU (4), and second input-output sections (20c, 20d) of the second DC-DC converter (20) are connected to a lithium-ion battery (21). A voltage control means (31) places the first DC-DC converter (3) or the second DC-DC converter (20) in a direct connection state and controls an output voltage of the other DC-DC converter according to an output voltage of the DC-DC converter placed in the direct connection state during the power running of the motor (5) and during regeneration thereof.
摘要翻译: 一种车辆供电装置,其防止在电力运行和再生之间的切换时电机的电力供应不足和电动机的再生电力恢复不足。 第一DC-DC转换器(3)的第一输入输出部分(3a,3b)连接到PDU(4)的第二输入输出部分(4d,4e),第二输入输出部分(3c,3d) 的第一DC-DC转换器(3)的第一输入输出部(20a,20b)连接到燃料电池(1)和电容器(2),第二DC-DC转换器 PDU(4)的输入输出部分(4d,4e)和第二DC-DC转换器(20)的第二输入输出部分(20c,20d)连接到锂离子电池(21)。 电压控制装置(31)将第一DC-DC转换器(3)或第二DC-DC转换器(20)置于直接连接状态,并根据输出电压控制另一个DC-DC转换器的输出电压 在马达(5)的动力运行期间以及在其再生期间,DC-DC转换器处于直接连接状态。
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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
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。
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公开(公告)号:US20080211316A1
公开(公告)日:2008-09-04
申请号:US11987566
申请日:2007-11-30
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。
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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
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。
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