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1.发明授权公开(公告)号：US08664926B2
公开(公告)日：2014-03-04
申请号：US12750785
申请日：2010-03-31
IPC分类号： H02M3/156
摘要： A DC-DC converter includes first and second capacitors connected in series, a switching part, and a control circuit part which includes a voltage difference calculating part for calculating a difference between voltages of the first and second capacitors, a duty ratio controller for controlling duty ratio of on- and OFF-durations to decrease the voltage difference of the first and second capacitors on the basis of the calculated difference. A power supplying system including the DC-DC converter controls balance between first and second capacitors in voltage on the basis of the powering/regenerating discriminating signal.
摘要翻译： DC-DC转换器包括串联连接的第一和第二电容器，开关部分和控制电路部分，其包括用于计算第一和第二电容器的电压之间的差的电压差计算部分，用于控制工作的占空比控制器 基于所计算的差，开和关持续时间的比率以减小第一和第二电容器的电压差。 包括DC-DC转换器的供电系统基于供电/再生鉴别信号来控制第一和第二电容器之间的电压平衡。
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公开(公告)号：US09252665B2
公开(公告)日：2016-02-02
申请号：US13700086
申请日：2011-05-12
申请人： Satoshi Hashino , Keigo Andoh , Mitsuaki Hirakawa
发明人： Satoshi Hashino , Keigo Andoh , Mitsuaki Hirakawa
CPC分类号： H02M3/1584 , H02M1/40 , H02M2001/0009
摘要： In a DC-DC converter control apparatus, it is configured to have a current sensor for detecting a current flowing through a positive electrode wire connecting the second common terminal with the positive electrode terminal of the high-voltage port and to control operations of the first and second switching elements based on the current detected by the current sensor. With this, it becomes possible to accurately detect the current of the windings and appropriately control the operation of the switching elements based on the detected currents without increasing the transformer in size.
摘要翻译： 在DC-DC转换器控制装置中，配置有用于检测流过连接第二公共端子的正极线与高压端口的正极端子的电流的电流传感器，并且控制第一 和基于由电流传感器检测到的电流的第二开关元件。 由此，可以精确地检测绕组的电流，并且在不增加变压器尺寸的情况下，基于检测到的电流适当地控制开关元件的操作。
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公开(公告)号：US20130069610A1
公开(公告)日：2013-03-21
申请号：US13700086
申请日：2011-05-12
申请人： Satoshi Hashino , Keigo Andoh , Mitsuaki Hirakawa
发明人： Satoshi Hashino , Keigo Andoh , Mitsuaki Hirakawa
IPC分类号： G05F1/46
CPC分类号： H02M3/1584 , H02M1/40 , H02M2001/0009
摘要： In a DC-DC converter control apparatus, it is configured to have a current sensor for detecting a current flowing through a positive electrode wire connecting the second common terminal with the positive electrode terminal of the high-voltage port and to control operations of the first and second switching elements based on the current detected by the current sensor. With this, it becomes possible to accurately detect the current of the windings and appropriately control the operation of the switching elements based on the detected currents without increasing the transformer in size.
摘要翻译： 在DC-DC转换器控制装置中，配置有用于检测流过连接第二公共端子的正极线与高压端口的正极端子的电流的电流传感器，并且控制第一 和基于由电流传感器检测到的电流的第二开关元件。 由此，可以精确地检测绕组的电流，并且在不增加变压器尺寸的情况下，基于检测到的电流适当地控制开关元件的操作。
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公开(公告)号：US07602165B2
公开(公告)日：2009-10-13
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： G05F1/40
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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公开(公告)号：US20060103359A1
公开(公告)日：2006-05-18
申请号：US11280237
申请日：2005-11-17
申请人： Yasuto Watanabe , Mitsuaki Hirakawa
发明人： Yasuto Watanabe , Mitsuaki Hirakawa
IPC分类号： G05F1/613
CPC分类号： H02M3/1584 , H02M3/1582 , H02M3/1588 , Y02B70/1466
摘要： Voltage-boosting/lowering DC/DC converter includes a low-voltage-side port and high-voltage-side port, an inductor connected at one end to a positive-pole terminal of the low-voltage-side port, and a transformer of a magnetic-field cancellation type including a primary winding and secondary winding interconnected in an oppositely-wound configuration, a common terminal of the primary winding and secondary winding being connected to the end of the inductor. Switching element controls an energizing current of the primary winding flowing to a common reference terminal, another switching element controls an energizing current of the primary winding flowing to a positive-pole terminal of the high-voltage-side port, still another switching controls an energizing current of the secondary winding flowing to the common reference terminal, and still another switching element controls an energizing current of the secondary winding flowing to the positive-pole terminal of the high-voltage-side port.
摘要翻译： 电压升压/降压DC / DC转换器包括低压侧端口和高压侧端口，一端连接到低压侧端口的正极端子的电感器和变压器 包括以相对卷绕结构互连的初级绕组和次级绕组的磁场消除类型，初级绕组和次级绕组的公共端子连接到电感器的端部。 开关元件控制流入公共基准端子的初级绕组的通电电流，另一个开关元件控制流过高压侧端子的正极端子的初级绕组的通电电流，另一个开关控制通电 次级绕组的电流流向公共基准端子，另一个开关元件控制流入高压侧端子的正极端子的次级绕组的通电电流。
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公开(公告)号：US20050174098A1
公开(公告)日：2005-08-11
申请号：US11047688
申请日：2005-02-02
申请人： Yasuto Watanabe , Mitsuaki Hirakawa , Kouya Kimura
发明人： Yasuto Watanabe , Mitsuaki Hirakawa , Kouya Kimura
摘要： A DC/DC converter that is small, light, highly efficient, and inexpensive are provided which includes a DC power supply input section, a first and second capacitor connected in series, and an output section connected to the series connected first and second capacitors, a switching device that switches a plurality of switches which incorporate a configuration for connecting a power supply of the DC power supply input section, to the first capacitor and the second capacitor, and a switching control device that controls ON/OFF switching of the respective switches in the switching device in accordance with an operation mode.
摘要翻译： 提供一种小型，轻便，高效，廉价的DC / DC转换器，它包括直流电源输入部分，串联连接的第一和第二电容器以及连接到串联连接的第一和第二电容器的输出部分， 开关装置，其将包含用于连接直流电源输入部的电源的结构的多个开关切换到第一电容器和第二电容器，以及切换控制装置，其控制各开关的接通/断开 在切换装置中根据操作模式。
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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：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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