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公开(公告)号：KR1020140135427A
公开(公告)日：2014-11-26
申请号：KR1020130055656
申请日：2013-05-16
Applicant: 포항공과대학교 산학협력단
CPC classification number: H02J7/0019 , H02J7/04
Abstract: 본 발명은 직렬 접속된 복수개의 배터리셀을 구비한 배터리셀 모듈에 대해 밸런싱 동작을 수행할 때 밸런싱 속도를 조절할 수 있도록 한 기술에 관한 것이다.
이와 같은 본 발명은, 직렬접속된 복수 개의 배터리셀을 구비하는 배터리셀 모듈; 상기 배터리셀 모듈의 해당 배터리셀로부터 회수되는 전기에너지를 충전하고 상기 충전된 전기에너지를 상기 배터리셀 모듈의 해당 배터리셀에 공급하기 위해 직렬접속된 인덕터 및 커패시터를 구비하되, 상기 인덕터 및 커패시터 중에서 하나 이상을 가변형으로 구비하여 밸런싱 속도를 조절하는 직렬공진회로; 및 상기 배터리셀 모듈의 해당 배터리셀로부터 회수되는 전기에너지를 상기 직렬공진회로의 커패시터 충전할 수 있도록 전기에너지 회수 경로를 제공하고 상기 충전된 전기에너지를 상기 배터리셀 모듈의 해당 배터리셀에 공급할 수 있도록 전기에너지 공급 경로를 제공하는 스위치부;를 포함하는 것을 특징으로 한다.Abstract translation: 本发明涉及一种在对包括串联连接的多个电池单元的电池单元模块执行平衡操作时有利于平衡速度控制的技术。 用于使用LC串联谐振电路来控制电池单元模块的平衡的电路包括：电池单元模块，包括串联连接的多个电池单元; 串联谐振电路，其包括串联连接的电感器和电容器，用于存储从电池单元模块的相应电池单元回收的电能，并将存储的电能提供给电池单元模块的相应电池单元，其中至少一个 电感和电容是调整平衡速度的可变类型; 以及开关单元，其提供电能回收路径，以用从电池模块的相应电池单元回收的电能对串联谐振电路的电容器充电，并且提供电能供应路径以将存储的电能提供给相应的电池 电池单元模块。
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公开(公告)号：KR1020140135419A
公开(公告)日：2014-11-26
申请号：KR1020130055639
申请日：2013-05-16
Applicant: 포항공과대학교 산학협력단
CPC classification number: H02J7/0019 , H02J7/04
Abstract: The present invention relates to a technology appropriate for performing multi-battery cells balancing using an LC series resonant circuit. A battery cell balancing circuit using an LC series resonant circuit comprises: a first battery module which includes a battery cell module including a plurality of battery cells connected in series, a series resonant circuit storing electric energy recovered from a corresponding battery cell of the battery cell module and supplying the electric energy to the corresponding battery cell of the battery cell module, a switch unit providing an electric energy recovery path to charge a capacitor of the series resonant circuit with the electric energy recovered from the corresponding battery cell of the battery cell module and providing an electric energy supply path to supply the stored electric energy to the corresponding battery cell of the battery module, and a winding for a transformer connected to the capacitor in parallel; and second to N^th battery modules which have the same composition as the first battery module. The battery cell modules of the first to N^th battery modules are connected in series, the windings included in the first to N^th battery modules are magnetically coupled, and levels of the electric energy stored in or discharged from the capacitors of the first to N^th battery modules are equally changed.
Abstract translation: 本发明涉及适用于使用LC串联谐振电路进行多电池单元平衡的技术。 使用LC串联谐振电路的电池单元平衡电路包括：第一电池模块，其包括具有串联连接的多个电池单体的电池单元模块，串联谐振电路，存储从电池单元的相应电池单元回收的电能 模块，并将电能提供给电池单元模块的相应电池单元;开关单元，提供电能回收路径，以便从电池单元模块的相应电池单元回收的电能对串联谐振电路的电容器充电 并且提供电能供给路径以将存储的电能提供给电池模块的相应电池单元，以及并联连接到电容器的变压器的绕组; 以及与第一电池模块具有相同组成的第二至第N个电池模块。 第一至第N个电池模块的电池单元模块串联连接，包括在第一至第N个电池模块中的绕组被磁耦合，并且存储在第一至第N电池模块的电容器中的电能的电平 到第N个电池模块同样改变。
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公开(公告)号：KR1020140093404A
公开(公告)日：2014-07-28
申请号：KR1020130005671
申请日：2013-01-18
Applicant: 포항공과대학교 산학협력단
CPC classification number: H02J7/0016 , H01M10/441 , H01M2010/4271 , H02J7/0019 , H02J7/0021 , H02J7/0022
Abstract: The present invention relates to a technology capable of increasing the usage time of a battery cell by entirely or individually controlling the charging or discharging of a multi-battery cell using LC serial resonance in a module of a multi-battery cell structure. For the purpose mentioned above, the present invention includes: a battery module which includes a plurality of battery cells which are serially connected; a serial resonant circuit which performs a serial resonant function by including an inductor and a capacitor which are serially connected; and first to third switch units which set a supply energy path and a recovery electric energy path between the battery module and the serial resonant circuit.
Abstract translation: 本发明涉及一种技术，其能够通过在多电池单元结构的模块中完全或单独地控制使用LC串联谐振的多电池单元的充电或放电来增加电池单元的使用时间。 为了上述目的，本发明包括：电池模块，其包括串联连接的多个电池单元; 串联谐振电路，其通过包括串联连接的电感器和电容器来执行串联谐振功能; 以及在电池模块和串联谐振电路之间设置供电能量路径和恢复电能路径的第一至第三开关单元。
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公开(公告)号：KR1020120023252A
公开(公告)日：2012-03-13
申请号：KR1020100085464
申请日：2010-09-01
Applicant: 엘지디스플레이 주식회사 , 포항공과대학교 산학협력단
CPC classification number: H05B33/0815 , G02F1/133 , G09G3/36 , H05B33/0824
Abstract: PURPOSE: A power supply device, a backlight unit using the same, and a display device are provided to improve efficiency by reducing a switching loss of a switching device. CONSTITUTION: A boost inductor(Lb) is connected to an input power source and a first node. A first diode is connected between the first node and an output node. A switching device(S) is connected between a second node and a base power source. A second diode is connected between the second node and a third node. A capacitor is connected between the third node and the base power source. A transformer includes a primary coil and a secondary coil. The primary coil is connected between the first node and the second node. The secondary coil is connected between the output node and the third node.
Abstract translation: 目的：提供电源装置，使用其的背光单元和显示装置，以通过减少开关装置的开关损耗来提高效率。 构成：升压电感（Lb）连接到输入电源和第一个节点。 第一二极管连接在第一节点和输出节点之间。 开关装置（S）连接在第二节点和基本电源之间。 第二二极管连接在第二节点和第三节点之间。 电容器连接在第三节点和基本电源之间。 变压器包括初级线圈和次级线圈。 初级线圈连接在第一节点和第二节点之间。 次级线圈连接在输出节点和第三节点之间。
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公开(公告)号：KR1020110136964A
公开(公告)日：2011-12-22
申请号：KR1020100056899
申请日：2010-06-16
Applicant: 엘지디스플레이 주식회사 , 포항공과대학교 산학협력단
CPC classification number: H02M3/158 , H02M3/07 , H02M2001/346 , Y02B70/1491 , H02H7/1213 , H02M1/4225 , H02M3/155
Abstract: PURPOSE: A DC-DC boost converter circuit and a driving method thereof are provided to reduce current stress and heat radiation by preventing the distortion of a current to one element among switching elements. CONSTITUTION: A DC-DC boost converter circuit comprises an inductor(L1) which is serially connected, an output diode(D3), and an output capacitor(Cout). A circuit for output stability comprises first and second switching elements(SW1,SW2), a transformer(Tm), a plurality of the boost capacitors(C1,C2), and a plurality of the diodes(D1,D2). The circuit for output stability is formed between the inductor of an input side and the output diode. A boost output capacitor is serially connected between the inductor and the output diode. The transformer is serially connected with a ground terminal between the inductor and the boost output capacitor.
Abstract translation: 目的：提供DC-DC升压转换器电路及其驱动方法，以通过防止电流在开关元件之中的一个元件的失真来减小电流应力和热辐射。 构成：DC-DC升压转换器电路包括串联的电感器（L1），输出二极管（D3）和输出电容器（Cout）。 用于输出稳定性的电路包括第一和第二开关元件（SW1，SW2），变压器（Tm），多个升压电容器（C1，C2）和多个二极管（D1，D2）。 用于输出稳定性的电路形成在输入侧的电感器和输出二极管之间。 升压输出电容串联连接在电感和输出二极管之间。 变压器与电感器和升压输出电容器之间的接地端子串联连接。
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Patent Agency Ranking
公开(公告)号：KR1020100047078A
公开(公告)日：2010-05-07
申请号：KR1020080106176
申请日：2008-10-28
Applicant: 엘지디스플레이 주식회사 , 포항공과대학교 산학협력단
CPC classification number: H05B41/2827 , G09G3/3406 , G09G2320/0233
Abstract: PURPOSE: A device for driving a backlight unit is provided to economically and effectively improve a current difference between lamps. CONSTITUTION: A transformer(165) boosts AC power provided from a DC/AC converting unit. A positive AC signal compensating circuit(190a) compensates for the current difference of first and second lamps using an positive AC signal provided to the first and second lamps. A negative AC signal compensating circuit(190b) compensates for the current difference of the first and second lamps using a negative AC signal provided to the first and second lamps.
Abstract translation: 目的：提供一种用于驱动背光单元的装置，以经济有效地改善灯之间的电流差。 构成：变压器（165）提升了从DC / AC转换单元提供的交流电源。 正交流信号补偿电路（190a）使用提供给第一和第二灯的正交流信号来补偿第一和第二灯的电流差。 负交流信号补偿电路（190b）使用提供给第一和第二灯的负交流信号来补偿第一和第二灯的电流差。
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公开(公告)号：KR101977968B1
公开(公告)日：2019-05-14
申请号：KR1020120026215
申请日：2012-03-14
Applicant: 엘지디스플레이 주식회사 , 포항공과대학교 산학협력단
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公开(公告)号：KR101856037B1
公开(公告)日：2018-05-09
申请号：KR1020170015095
申请日：2017-02-02
Applicant: 포항공과대학교 산학협력단
IPC: H02J7/00
CPC classification number: H02J7/0014 , H02J7/0016 , H02J7/0019 , H02J7/0021 , Y02T10/7055 , H01M2010/4271
Abstract: 본발명은, 본발명은단일인턱터를이용하여배터리모듈을밸런싱하는기술에관한것이다. 이러한본 발명은배터리셀들을모듈화한 각각의배터리모듈내에서단일인턱터를이용하여복수개의배터리셀을대상으로밸런싱함과아울러단일인덕터를이용하여복수개의배터리모듈들을대상으로밸런싱하여밸런싱횟수를줄이고밸런싱전력을높여밸런싱효율을향상시킬수 있도록하는것을특징으로한다.
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公开(公告)号：KR101827961B1
公开(公告)日：2018-02-13
申请号：KR1020170026213
申请日：2017-02-28
Applicant: 포항공과대학교 산학협력단
CPC classification number: Y02T10/642 , Y02T10/7011 , Y02T10/7022 , Y02T10/92 , H02J7/0019 , B60L11/1866 , H01M2010/4271 , H02P13/06
Abstract: 본발명은하나의통합된밸런싱회로를이용하여배터리팩과슈퍼커패시터팩의밸런싱을구현하는기술에관한것이다. 이를위해본 발명은배터리팩과슈퍼커패시터팩이플라이백트랜스포머의일차권선을공유하고, 배터리팩의각 셀과슈퍼커패시터팩의각 셀들이플라이백트랜스포머의이차권선들을통해멀티와인딩되는구조를갖는통합된밸런싱회로를구현함으로써, 배터리팩의충전기와슈퍼커패시터팩의충전기가각각독립적으로사용중인경우에도배터리팩의충전기와슈퍼커패시터팩 간의전기에너지전달이가능하고상대팩의전기에너지를밸런싱전기에너지로사용하는것이가능하도록하였다.
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公开(公告)号：KR101781338B1
公开(公告)日：2017-09-26
申请号：KR1020100085464
申请日：2010-09-01
Applicant: 엘지디스플레이 주식회사 , 포항공과대학교 산학협력단
Abstract: 본발명은스위칭소자의스위칭손실을감소시켜효율을향상시킬수 있도록한 전원공급장치, 이를이용한백 라이트유닛및 디스플레이장치에관한것이다. 본발명의전원공급장치는입력전원, 입력전원과제 1 노드사이에접속된부스터인덕터, 제 1 노드와출력노드사이에접속된제 1 다이오드, 제 2 노드와기저전원사이에접속된스위칭소자, 제 2 노드와제 3 노드사이에접속된제 2 다이오드, 제 3 노드와기저전원사이에접속된커패시터, 및제 1 노드와제 2 노드사이에접속된 1차코일과, 출력노드와제 3 노드사이에접속된 2차코일을가지는변압기를포함한다.
Abstract translation: 电源装置，背光单元以及显示装置技术领域本发明涉及一种电源装置，背光单元以及使用其的显示装置，以通过减少开关装置的开关损耗来提高效率。 本发明的电源包括输入功率，输入功率问题的第一二极管和第二节点以及连接到所述升压电感器基本电源之间的交换连接，所述第一节点和连接在第一节点装置之间的输出节点之间，所述 在第二节点和所述第二二极管的所述第三之间，节点和连接mitje第一节点和第二初级线圈之间的基本电源电容器，与所述输出节点之间的第三连接，节点3的节点之间的连接 并且具有连接到其上的次级线圈的变压器。
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