Unidirectional DC-DC converter
    61.
    发明授权
    Unidirectional DC-DC converter 失效
    单向DC-DC转换器

    公开(公告)号:US07557546B2

    公开(公告)日:2009-07-07

    申请号:US11627393

    申请日:2007-01-26

    IPC分类号: G05F1/24

    CPC分类号: H02M3/158

    摘要: A unidirectional DC-DC converter which has a simple control circuit without using multiple insulated power supplies or a transformer, uses an auxiliary inductor of a comparatively small capacitance, reduces the size and weight of the converter, and has a very great capacitance without switching of supply current. For example, a unidirectional DC-DC converter equipped with main IGBT101 which supplies and shuts off current for first inductor 108a and diode 107 which discharges energy from main inductor 108a to an the output. The DC-DC converter is further equipped with auxiliary IGBT104 which applies current to back-to-back-connected diode 102 by using energy stored in auxiliary inductor 108b which is magnetically coupled with main inductor 108a. This applies current to the back-to-back-connected diode in a short period including a time period in which the first switching element is turned on and accomplishes ZVZCS.

    摘要翻译: 具有简单的控制电路而不使用多个绝缘电源或变压器的单向DC-DC转换器使用相对小的电容的辅助电感器,减小了转换器的尺寸和重量,并且具有非常大的电容,而无需切换 供电电流。 例如,配备有主IGBT101的单向DC-DC转换器,其向第一电感器108a和二极管107提供和切断电流,第一电感器108a和二极管107将能量从主电感器108a放电到输出端。 DC-DC转换器还配备有辅助IGBT104,其通过使用与主电感器108a磁耦合的辅助电感器108b中存储的能量来将电流施加到背对背连接的二极管102。 这在短时间内将电流施加到背对背连接的二极管,包括第一开关元件接通并实现ZVZCS的时间段。

    Uninterruptible power system
    62.
    发明授权
    Uninterruptible power system 失效
    不间断电源系统

    公开(公告)号:US07432617B2

    公开(公告)日:2008-10-07

    申请号:US11415417

    申请日:2006-05-02

    IPC分类号: H02J7/00

    摘要: An uninterruptible power system for inputting an AC power, converting the AC power into a desired power, supplying the desired power to a load, and upon occurrence of an AC failure, converting a DC power from energy accumulation means into the desired power and supplying the desired power to the load, wherein the DC power from said energy accumulation means is passed through two serially connected boost means, and thereafter the power is converted into the desired power to be supplied to the load, wherein first boost means of the two serially connected boost means, which is nearer to the energy accumulation means, raises the DC electric power from said energy accumulation means to supply second boost means of the two serially connected boost means when supply of electric power is interrupted, and lowers inputted electric power for charging the electric accumulation means during an ordinary operation.

    摘要翻译: 一种用于输入AC电力的不间断电力系统,将AC电力转换成期望的电力,向负载提供期望的电力,并且在发生AC故障时,将来自能量积累装置的DC电力转换成期望的电力,并将 所述负载的期望功率,其中来自所述能量积蓄装置的直流电力通过两个串联连接的升压装置,此后,所述功率被转换成所需功率以提供给所述负载,其中所述两个串联连接的第一升压装置 更接近能量积蓄装置的升压装置,当电力供应中断时,从所述能量积蓄装置升高直流电力,供给两个串联连接的升压装置的第二升压装置,并降低输入电力 电力蓄积装置在正常操作期间。

    DC-DC Converter and Its Controlling Method
    63.
    发明申请
    DC-DC Converter and Its Controlling Method 审中-公开
    DC-DC转换器及其控制方法

    公开(公告)号:US20080100273A1

    公开(公告)日:2008-05-01

    申请号:US11876826

    申请日:2007-10-23

    IPC分类号: G05F1/44 G05F1/10

    摘要: A buck converter circuit and a boost converter circuit, which co-use a main inductor, are connected in series with each other between a DC power-supply and a DC load between output terminals a-b of a rectifier circuit. Moreover, utilizing energy accumulated into first and second auxiliary inductors which are loosely coupled to the main inductor magnetically, a current is flown through diodes during a short time-period including a point-in-time at which main switching elements of the buck and boost converter circuits are to be turned ON. Here, the diodes are connected in inversely parallel to the main switching elements.

    摘要翻译: 在整流电路的输出端子a-b之间的直流电源和直流负载之间,共同使用主电感器的降压转换器电路和升压转换器电路彼此串联连接。 此外,利用积累在松耦合到主电感器的第一和第二辅助电感器中的能量,在包括降压和升压的主开关元件的时间点的短时间段期间,电流流过二极管 转换器电路要接通。 这里,二极管与主开关元件相反地并联连接。

    Charging System
    68.
    发明申请
    Charging System 有权
    充电系统

    公开(公告)号:US20140084862A1

    公开(公告)日:2014-03-27

    申请号:US14115208

    申请日:2011-05-25

    IPC分类号: H02J7/02 H02J7/00

    摘要: Disclosed is a charging system for both plug-in charging systems and contactless charging systems, having a simple electrical configuration, and capable of achieving miniaturization and weight saving. The charging system includes a secondary cell charged via first/second coils of a transformer to which electrical power is supplied from a first power supply via a plug-in connector, and a third coil supplied with electrical power from a second power supply, a relative position of which to the second coil of the transformer is variable, and which can be magnetically coupled to the second coil when the second coil approaches the third coil, wherein the secondary cell is charged via magnetic coupling between first/second coils when charging the secondary cell by the first power supply, and the secondary cell is charged via magnetic coupling between the third coil and second coils when charging the secondary cell by the second power supply.

    摘要翻译: 公开了一种用于插电式充电系统和非接触充电系统的充电系统,其具有简单的电气配置,并且能够实现小型化和重量减轻。 充电系统包括通过变压器的第一/第二线圈充电的二次电池,经由插入式连接器从第一电源供应电力,以及从第二电源供应电力的第三线圈,相对 变压器的第二线圈的位置是可变的,并且当第二线圈接近第三线圈时,其可以磁耦合到第二线圈,其中当对第二线圈充电时,通过第二/第二线圈之间的磁耦合对二次电池进行充电, 并且通过第二电源对二次电池充电时,通过第三线圈和第二线圈之间的磁耦合来对二次电池进行充电。

    AC-DC CONVERTER AND METHOD OF CONTROLLING SAME
    69.
    发明申请
    AC-DC CONVERTER AND METHOD OF CONTROLLING SAME 审中-公开
    AC-DC转换器及其控制方法

    公开(公告)号:US20120275203A1

    公开(公告)日:2012-11-01

    申请号:US13520716

    申请日:2010-01-05

    IPC分类号: H02M7/04

    摘要: To provide an AC-DC converter that is highly efficient in a broad load current range from a light load to a heavy load.An AC-DC converter 1 has a main circuit and a control means 4; the main circuit includes a diode bridge circuit 3, a main inductor L1, a main switching element S1, a main diode D1, an auxiliary inductor L2, an auxiliary switching element S2, an auxiliary diode D2, and a smoothing capacitor C1 connected to a DC load 12. The AC-DC converter 1 supplies electric power from an AC power supply 11 to the DC load 12. In a period during which the instantaneous value of an input current from the AC power supply 11 is smaller than a prescribed value Ith, the AC-DC converter 1 stops the main switching element S1 and performs electricity conversion in hard switching by the operation of the auxiliary switching element S2.

    摘要翻译: 提供一种在从轻负载到重负载的宽负载电流范围内高效的AC-DC转换器。 AC-DC转换器1具有主电路和控制装置4; 主电路包括二极管电路3,主电感器L1,主开关元件S1,主二极管D1,辅助电感器L2,辅助开关元件S2,辅助二极管D2和连接到 直流负载12.AC-DC转换器1将电力从交流电源11提供给直流负载12.在来自交流电源11的输入电流的瞬时值小于规定值Ith的期间 AC-DC转换器1停止主开关元件S1,并通过辅助开关元件S2的动作进行硬切换的电力转换。

    SWITCHING POWER SUPPLY AND DISPLAY DEVICE PROVIDED WITH SAME
    70.
    发明申请
    SWITCHING POWER SUPPLY AND DISPLAY DEVICE PROVIDED WITH SAME 有权
    切换电源和显示设备

    公开(公告)号:US20120146986A1

    公开(公告)日:2012-06-14

    申请号:US13217309

    申请日:2011-08-25

    IPC分类号: G09G5/00 H02M3/335

    摘要: A switching power supply has a function of improving a power factor, and outputs insulated DC. The switching power supply performs two kinds of controls for switching devices exclusive to each other: controlling of a switching device provided in a direction in which the discharging of a primary-side smoothing capacitor is prohibited at the time of suspension of commercially available AC power and near the zero cross of an input voltage; and causing a switching device provided between the output side of a third winding and the primary-side smoothing capacitor to control a charging current, thereby charging a capacitor in a boosted manner.

    摘要翻译: 开关电源具有提高功率因数的功能,并输出绝缘DC。 开关电源执行用于彼此专用的开关装置的两种控制:在暂停市售AC电力时禁止初级侧平滑电容器的放电方向设置的开关装置的控制,以及 靠近输入电压的零交叉; 并且使得设置在第三绕组的输出侧和初级侧平滑电容器之间的开关装置来控制充电电流,从而以增强的方式对电容器充电。