Charge equalization apparatus with parallel connection of primary windings of multiple transformers
    1.
    发明授权
    Charge equalization apparatus with parallel connection of primary windings of multiple transformers 有权
    具有多个变压器的初级绕组的并联连接的充电均衡装置

    公开(公告)号:US08766598B2

    公开(公告)日:2014-07-01

    申请号:US12303628

    申请日:2007-06-12

    IPC分类号: H02J7/00

    摘要: The present invention relates, in general, to a charge equalization apparatus for batteries and, more particularly, to a charge equalization apparatus, in which the primary windings (M11 to M1N) of a number of transformers (T1 to TN) corresponding to the number of battery cells are connected in parallel with each other, a switch (S) for controlling the flow of current of the primary windings (M11 to M1N) of the parallel-connected transformers is connected in series with the parallel-connected primary windings, respective secondary windings (M21 to M2N) corresponding to the primary windings are connected in parallel with the battery cells, and the battery cells are connected in series with each other.

    摘要翻译: 本发明一般涉及用于电池的电荷均衡装置,更具体地,涉及一种电荷均衡装置,其中多个变压器(T1至TN)的初级绕组(M1至M1N)对应于数量 电池单元彼此并联连接,用于控制并联变压器的初级绕组(M11至M1N)的电流流动的开关(S)与并联的初级绕组串联连接 对应于初级绕组的次级绕组(M21至M2N)与电池单元并联连接,并且电池单元彼此串联连接。

    Battery Management System with Integration of Voltage Sensor and Charge Equalizer
    3.
    发明申请
    Battery Management System with Integration of Voltage Sensor and Charge Equalizer 有权
    电池管理系统,集成了电压传感器和充电均衡器

    公开(公告)号:US20100231166A1

    公开(公告)日:2010-09-16

    申请号:US12738346

    申请日:2008-10-16

    IPC分类号: H02J7/04

    摘要: A battery management system according to the present invention comprises a battery module consisted of a plurality of batteries connected in series; a switch module connected in parallel to the battery module; a voltage sensor measuring a voltage of each battery composing the battery module; a charge equalizer causing each battery composing the battery module to be charged, discharged or charged/discharged; and a microprocessor controlling the switch module to determine whether to charge or discharge each battery composing the battery module according to the voltage values measured by the voltage sensor and; wherein the voltage sensor and the charge equalizer are connected in parallel to each battery composing the battery module by the switch module.

    摘要翻译: 根据本发明的电池管理系统包括由串联连接的多个电池组成的电池模块; 与电池模块并联连接的开关模块; 测量构成电池模块的每个电池的电压的电压传感器; 电荷均衡器,使构成电池模块的每个电池被充电,放电或充电/放电; 以及微处理器,控制所述开关模块,以根据由所述电压传感器测量的电压值来确定是否对构成所述电池模块的每个电池进行充电或放电; 其中电压传感器和电荷均衡器通过开关模块并联连接到构成电池模块的每个电池。

    Automatic Charge Equalization Method and Apparatus for Series Connected Battery String
    4.
    发明申请
    Automatic Charge Equalization Method and Apparatus for Series Connected Battery String 有权
    串联电池串自动充电均衡方法及装置

    公开(公告)号:US20100207578A1

    公开(公告)日:2010-08-19

    申请号:US12738333

    申请日:2008-10-16

    IPC分类号: H02J7/00

    CPC分类号: H02J7/0016 Y02T10/7055

    摘要: The present invention relates to an automatic charge equalization apparatus and method having an automatic PWM generating means for a series-connected battery string. The automatic charge equalization method and apparatus for a series-connected battery string according to the present invention can improve charge equalization by accomplishing charge equalization operation after comparing the potential of the corresponding battery cell with the average potential of the plurality of battery cells including the corresponding battery cell upon charging or discharging the corresponding battery cell.

    摘要翻译: 本发明涉及一种具有用于串联电池串的自动PWM产生装置的自动电荷均衡装置和方法。 根据本发明的串联电池串的自动充电均衡方法和装置可以通过在将相应的电池单元的电位与包括相应的电池单元的多个电池单元的平均电位进行比较之后实现电荷均衡操作来改善电荷均衡 对相应的电池单元进行充电或放电时,电池单元。

    POWER SUPPLY APPARATUS
    6.
    发明申请
    POWER SUPPLY APPARATUS 审中-公开
    电源设备

    公开(公告)号:US20130163290A1

    公开(公告)日:2013-06-27

    申请号:US13441518

    申请日:2012-04-06

    IPC分类号: H02M3/335

    CPC分类号: H02M3/33592 Y02B70/1475

    摘要: There is provided an LLC type power supply apparatus for controlling switching of a secondary side rectifier based on primary side current, particularly, controlling switching of the secondary-side rectifier based on primary side resonance current and magnetizing current. The power supply apparatus includes: a switching unit switching input power; a transformer unit transforming the switched power from the switching unit; a rectifying unit including a rectifier turned on and turned off in response to a control signal to rectify the transformed power; a controlling unit controlling the switching of the switching unit, based on an output power of the rectifying unit; and a switching controlling unit controlling turning-on and turning-off of the rectifier of the rectifying unit, based on current flowing in the transformer unit.

    摘要翻译: 提供了一种用于基于初级侧电流控制次级侧整流器的开关的LLC型电源装置,特别是基于一次侧谐振电流和励磁电流来控制次级侧整流器的开关。 电源装置包括:切换单元切换输入电力; 变压器单元,将来自开关单元的开关电力变换; 整流单元,其包括响应于控制信号导通和截止的整流器,以整流变换的功率; 控制单元,基于整流单元的输出功率来控制切换单元的切换; 以及切换控制单元,其基于在所述变压器单元中流动的电流来控制所述整流单元的整流器的接通和关断。

    Two-stage charge equalization method and apparatus for series-connected battery string
    7.
    发明授权
    Two-stage charge equalization method and apparatus for series-connected battery string 有权
    串联电池串两级充电均衡方法及装置

    公开(公告)号:US08354825B2

    公开(公告)日:2013-01-15

    申请号:US12681990

    申请日:2008-10-16

    IPC分类号: H02J7/00

    CPC分类号: H02J7/0018

    摘要: A two-stage charge equalization apparatus for a series-connected battery string includes a battery module having a plurality of batteries connected in series; a battery string having M (M≧2) battery modules connected in series; M charge control switch modules connected in parallel to each of the M battery modules; M second DC/DC converters connected to each of the M charge control switch modules; a single first DC/DC converter connected to the M second DC/DC converter; and a microprocessor controlling the charge control switch module, wherein the first DC/DC converter is inputted with an overall potential of the battery string and outputs a potential lower than the potential inputted and each of batteries composing the battery module shares the second DC/DC converter using the charge control switch module.

    摘要翻译: 用于串联电池串的两级电荷均衡装置包括具有串联连接的多个电池的电池模块; 具有串联连接的M(M≥2)个电池模块的电池串; M个充电控制开关模块并联到每个M个电池模块; M个第二DC / DC转换器,连接到每个M个充电控制开关模块; 连接到M个第二DC / DC转换器的单个第一DC / DC转换器; 以及控制所述充电控制开关模块的微处理器,其中所述第一DC / DC转换器输入所述电池组的整体电位并输出低于所输入的电位的电位,并且构成所述电池模块的每个电池共享所述第二DC / DC 转换器使用充电控制开关模块。

    CHARGE EQUALIZATION APPARATUS AND METHOD
    8.
    发明申请
    CHARGE EQUALIZATION APPARATUS AND METHOD 审中-公开
    充电均衡装置和方法

    公开(公告)号:US20120313583A1

    公开(公告)日:2012-12-13

    申请号:US13493762

    申请日:2012-06-11

    IPC分类号: H02J7/00

    摘要: The present invention relates, in general, to a battery voltage equalization apparatus and method, and, more particularly, to a charge equalization apparatus and method, which decrease the withstand voltages of semiconductor switching elements while maintaining charge equalization performance, thus making it easy to implement the secondary windings of transformers while reducing the costs of the charge equalization apparatus. The charge equalization apparatus includes N first transformers (T1 to Tn) connected in series with N series-connected batteries (B1 to Bn) and adapted to decrease voltages of overcharged batteries among the N batteries. A charge storage device (Cdump) stores energy supplied from the first transformers. A second transformer (TS) redistributes energy stored in the charge storage device to the N series-connected batteries. A voltage detection and drive signal generation unit (20) detects voltages of N respective series-connected batteries, and generates a first drive signal and a second drive signal.

    摘要翻译: 本发明一般涉及一种电池电压均衡装置和方法,更具体地,涉及一种在保持电荷均衡性能的同时降低半导体开关元件的耐受电压的电荷均衡装置和方法,因此容易 实现变压器的次级绕组,同时降低电荷均衡装置的成本。 电荷均衡装置包括与N个串联电池(B1〜Bn)串联连接的N个第一变压器(T1〜Tn),适于降低N个电池中的过充电电池的电压。 电荷存储装置(Cdump)存储从第一变压器供给的能量。 第二变压器(TS)将存储在电荷存储装置中的能量重新分配给N个串联的电池。 电压检测和驱动信号生成单元(20)检测N个各个串联电池的电压,并产生第一驱动信号和第二驱动信号。

    Pilot designing method in an uplink OFDMA system
    10.
    发明授权
    Pilot designing method in an uplink OFDMA system 有权
    上行OFDMA系统中的导频设计方法

    公开(公告)号:US07710918B2

    公开(公告)日:2010-05-04

    申请号:US11078157

    申请日:2005-03-11

    IPC分类号: H04W4/00

    摘要: A pilot designing method in an uplink OFDMA system is provided. In the uplink OFDMA system, communications are carried out in a frame divided into time-frequency lattices, and each time-frequency lattice includes a plurality of data symbol periods and a plurality of pilot symbol periods intermittently arranged with respect to the data symbol periods. The frame is divided into a plurality of blocks. The blocks are allocated to the terminals. A predetermined allocated pilot time-frequency lattice is shared between adjacent terminals.

    摘要翻译: 提供了一种上行链路OFDMA系统中的导频设计方法。 在上行链路OFDMA系统中,以划分为时频格点的帧进行通信,并且每个时间频率格子包括相对于数据符号周期间歇地布置的多个数据符号周期和多个导频符号周期。 该帧被分成多个块。 这些块分配给终端。 在相邻的终端之间共享预定的分配的导频时间频率点阵。