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    • 1. 发明授权
    • 2단계 출력제어형 LLC 공진 컨버터
    • 2个两级输出控制电感 - 电感 - 电容谐振转换器
    • KR101701509B1
    • 2017-02-01
    • KR1020100059223
    • 2010-06-22
    • 엘지이노텍 주식회사
    • 강성인박준호
    • H02M3/28H02M3/156H02J5/00G05F3/06H02M1/42H03H3/04
    • 본발명은 2단계출력제어형 LLC 공진컨버터에관한것이다. 본발명의컨버터는변압기; 변압기의 1차측에접속되며, 직류전원을인가받아교류전압을공급하는하프브리지(half-bridge) 회로와 LLC 직렬공진회로의조합으로이루어지는 H/B LLC 회로부; 변압기의 2차측권선코일중 제1 권선코일에접속되며, 소정크기의제1 직류전압을출력하는제1 출력회로부; 변압기의 2차측권선코일중 제2 권선코일에접속되며, 소정크기의제2 직류전압을출력하는제2 출력회로부; 및제2 출력회로부의출력전압을조정하는전압조정부를포함하고, 제2 출력회로부의제2 권선코일의제1 다이오드가접속된회로단에는제3 권선코일, 제3 다이오드및 반도체스위칭소자의직렬회로부가병렬로더 접속되며, 제2 출력회로부의제2 권선코일의제2 다이오드가접속된회로단에는제4 권선코일과제4 다이오드의직렬회로부의일측단부가접속되고, 그직렬회로부의타측단부는상기제3 다이오드와반도체스위칭소자사이의회로라인상에접속된다. 이와같은본 발명에의하면, 컨버터의구동후 2단계로제어되는출력A의전압이 210V에서 190V로하강하는경우, 그에따라함께하강하는레귤레이터의입력단전압을추가된회로의반도체스위칭소자와다이오드에의해보상해줌으로써레귤레이터에의한출력B의조정(regulation)을지속적으로유지할수 있다.
    • 目的:提供两步输出控制LLC(电感 - 电感 - 电容)谐振转换器,通过用半导体开关元件和二极管对下降稳压器的输入端电压进行补偿,以保持对稳压器的输出的控制。 谐振变换器包括变压器(210),H / B LLC电路部分(220),第一输出电路部分(230),第二输出电路部分(240)和 电压调节部(250)。 变压器根据初级线圈和次级线圈的绕组比为输入电压提供变换值的输出电压。 H / B LLC电路部分连接到变压器的主线圈,由LLC串联谐振电路和半桥电路的组合组成。 第一输出电路部分连接到变压器的次级线圈中的第一线圈。 第二输出电路部分连接到变压器的次级线圈中的第二线圈。 电压调节部分连接到第二输出电路部分的输出端并调节第二输出电路部分的输出电压。
    • 2. 发明公开
    • LLC 공진형 변환기
    • LLC谐振转换器
    • KR1020130014972A
    • 2013-02-12
    • KR1020110076755
    • 2011-08-01
    • 엘지이노텍 주식회사
    • 강성인
    • H02M3/335
    • Y02B70/1433Y02B70/1491Y02P80/112
    • PURPOSE: An LLC resonant transformer is provided to reduce the ripple of an input current by forming a plurality of transformers connected in parallel to a plurality of switching units. CONSTITUTION: A switching unit(100) is switched according to a switching control signal and includes a plurality of switching devices. An LLC resonant tank(200) transmits energy from a primary coil to a secondary coil according to a switching operation of the switching unit. The LLC resonant tank includes a plurality of transformers connected in parallel to the plurality of switching devices. A rectifier(300) changes a voltage induced in the secondary coil to DC.
    • 目的:提供LLC谐振变压器,以通过形成并联连接到多个开关单元的多个变压器来减小输入电流的纹波。 构成:根据开关控制信号切换开关单元(100),并且包括多个开关装置。 LLC谐振槽(200)根据开关单元的开关操作将能量从初级线圈传递到次级线圈。 LLC谐振回路包括与多个开关装置并联连接的多个变压器。 整流器(300)将次级线圈中感应的电压改变为DC。
    • 3. 发明公开
    • 2단계 출력제어형 LLC 공진 컨버터
    • 双步输出控制电感电感电容器谐振转换器
    • KR1020110138997A
    • 2011-12-28
    • KR1020100059223
    • 2010-06-22
    • 엘지이노텍 주식회사
    • 강성인박준호
    • H02M3/28H02M3/156H02J5/00G05F3/06H02M1/42H03H3/04
    • H02M3/285G05F3/06H01L2924/13091H02J5/005H02M1/4241H02M3/156H02M3/28H03H2003/0414
    • PURPOSE: A two-step output control LLC(inductor-inductor-capacitor) resonant converter is provided to keep maintaining the control of an output with a regulator by recompensing the input terminal voltage of a descending regulator with a semiconductor switching element and an diode. CONSTITUTION: An LLC(Inductor-Inductor-Capacitor) resonant converter comprises a transformer(210), a H/B LLC circuit part(220), a first output circuit part(230), a second output circuit part(240), and a voltage adjusting part(250). The transformer supplies the output voltage of the transformed value for an input voltage according to the winding ratio of a primary and a secondary wire coil. The H/B LLC circuit part is connected to the primary wire coil of the transformer and consist of the combination of an LLC serial resonant circuit and a half bridge circuit. The first output circuit part is connected to a first wire coil among the secondary wire coils of the transformer. The second output circuit part is connected to a second wire coil among the secondary wire coils of the transformer. The voltage adjusting part is connected to the output terminal of the second output circuit part and adjusts the output voltage of the second output circuit part.
    • 目的:提供两步输出控制LLC(电感 - 电感 - 电容)谐振转换器,通过用半导体开关元件和二极管对下降稳压器的输入端电压进行补偿,以保持对稳压器的输出的控制。 谐振变换器包括变压器(210),H / B LLC电路部分(220),第一输出电路部分(230),第二输出电路部分(240)和 电压调节部(250)。 变压器根据初级线圈和次级线圈的绕组比为输入电压提供变换值的输出电压。 H / B LLC电路部分连接到变压器的主线圈,由LLC串联谐振电路和半桥电路的组合组成。 第一输出电路部分连接到变压器的次级线圈中的第一线圈。 第二输出电路部分连接到变压器的次级线圈中的第二线圈。 电压调节部分连接到第二输出电路部分的输出端并调节第二输出电路部分的输出电压。