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1. 发明申请

WO2010087608A3 CHARGE EQUALIZATION APPARATUS AND METHOD FOR SERIES-CONNECTED BATTERY STRING 审中-公开
标题翻译：串联电池串的电荷均衡装置及方法
公开(公告)号：WO2010087608A3
公开(公告)日：2010-10-21
申请号：PCT/KR2010000479
申请日：2010-01-27
申请人： SK ENERGY CO LTD , KOREA ADVANCED INST SCI & TECH , LIM JAE HWAN , PARK SANG HYUN , LEE JOONG HUI , MOON GUN-WOO , PARK HONG-SUN , KIM CHOL-HO
发明人： LIM JAE HWAN , PARK SANG HYUN , LEE JOONG HUI , MOON GUN-WOO , PARK HONG-SUN , KIM CHOL-HO
IPC分类号： H02J7/02 , H02J7/04
CPC分类号： H02J7/0019 , Y02T10/7055
摘要： Provided are a charge equalization apparatus and method for a battery string connected in series, and more particularly, are a charge equalization apparatus and method that efficiently perform charge equalization while reducing entire complexity and volume and lowering production costs through a configuration that an individual battery included in a battery string shares a single voltage sensing module and a single charge equalizing module; a switch block of a two-stage structure forms a current path for measuring voltage of individual batteries included in the battery string, and at the same time, forms a charging or discharging path of a low-charged or over-charged battery among the battery strings; and a switch device having low withstand voltage is used.
摘要翻译：本发明提供一种串联连接的电池串的充电均衡装置和方法，更具体地说，提供了一种充电均衡装置和方法，其通过包括单独的电池的配置来有效地执行充电均衡，同时降低整体复杂性和体积并降低生产成本在电池串中共享单个电压感测模块和单个电荷均衡模块; 两级结构的开关块形成用于测量包括在电池组中的单个电池的电压的电流路径，并且同时在电池中形成低电荷或过度充电的电池的充电或放电路径串; 并使用具有低耐压的开关装置。

2. 发明申请

WO2009131336A3 TWO-STAGE CHARGE EQUALIZATION METHOD AND APPARATUS FOR SERIES-CONNECTED BATTERY STRING 审中-公开
标题翻译：两阶段充电均衡方法和装置串联连接电池
公开(公告)号：WO2009131336A3
公开(公告)日：2010-01-14
申请号：PCT/KR2009001998
申请日：2009-04-17
申请人： SK ENERGY CO LTD , KOREA ADVANCED INST SCI & TECH , LEE JOONGHUI , LIM JAE HWAN , PARK SANG HYUN , MOON GUN-WOO , PARK HONG-SUN , KIM CHOL-HO
发明人： LEE JOONGHUI , LIM JAE HWAN , PARK SANG HYUN , MOON GUN-WOO , PARK HONG-SUN , KIM CHOL-HO
IPC分类号： H02J7/02
CPC分类号： H02J7/34 , H02J7/0014 , H02J7/0016 , H02J7/345
摘要： A two-stage charge equalization apparatus for a series-connected battery string according to the present invention comprises a two-stage DC-DC converter including a first DC-DC converter which is inputted with a total voltage of the battery string and outputs a voltage lower than the voltage inputted; and a second DC-DC converter which is inputted with an output of the first DC-DC converter and outputs a charge current for charging a particular battery cell, wherein the battery string is divided into one or more battery modules having a plurality of battery cells connected in series and the second DC-DC converter is provided for each battery module; a current conversion switch module which forms a path of the charge current between the battery module and the second DC-DC converter to allow the charge current to be applied to the particular battery cell composing the battery module and controls an application direction of the charge current; and a microprocessor which determines a battery cell to be charged of a low-charged battery cell and controls the current conversion switch module to allow the charge current to be applied to the battery cell to be charged.
摘要翻译：根据本发明的用于串联电池串的两级电荷均衡装置包括两级DC-DC转换器，包括：第一DC-DC转换器，其输入电池组的总电压并输出电压低于输入的电压; 以及第二DC-DC转换器，其输入所述第一DC-DC转换器的输出并输出用于对特定电池单元充电的充电电流，其中所述电池串被分成具有多个电池单元的一个或多个电池模块串联连接，并为每个电池模块提供第二DC-DC转换器; 电流转换开关模块，其形成电池模块和第二DC-DC转换器之间的充电电流的路径，以允许充电电流施加到构成电池模块的特定电池单元，并控制充电电流的施加方向 ; 以及微处理器，其确定要充电的低电池电池的电池单元，并且控制电流转换开关模块以允许将充电电流施加到电池单元以进行充电。

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