公开(公告)号：US08305058B2

公开(公告)日：2012-11-06

申请号：US12262209

申请日：2008-10-31

申请人： Jin Wook Kim ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Jong Sun Kim ,  Sang Hun Lee ,  Jae Sun Won ,  Dong Seong Oh ,  Jong Hae Kim

发明人： Jin Wook Kim ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Jong Sun Kim ,  Sang Hun Lee ,  Jae Sun Won ,  Dong Seong Oh ,  Jong Hae Kim

IPC分类号： G05F1/40 ,  G05F1/44 ,  G05F1/56

CPC分类号： G05F1/67 ,  H02J3/383 ,  Y02E10/563 ,  Y02E10/58

摘要： The present invention relates to power supplies, and more particularly, to a power supply having a maximum power point tracking function that can reduce manufacturing costs and circuit size by using a maximum power point tracking section with a simplified circuit in a solar photovoltaic power generator supplying power using sunlight instead of using a micro controller, the maximum power point tracking section that controls power switching according to a result of integration of a value obtained by dividing a power variation by a voltage variation to track a maximum power value. A power supply having a maximum power point tracking function according to an aspect of the invention may include: a converter section switching input power, and converting the switched input power into predetermined DC power; and a maximum power point tracking section detecting a voltage and a power value of the input power, dividing a variation of the detected power by a variation of the detected voltage, integrating a result of the division, and controlling the switching operation of the converter section according to a value of the integration.

摘要翻译： 本发明涉及电源，更具体地说，涉及具有最大功率点跟踪功能的电源，其能够通过在太阳能光伏发电机供电中使用具有简化电路的最大功率点跟踪部分来降低制造成本和电路尺寸 使用阳光而不是使用微控制器的电力，最大功率点跟踪部分，其根据通过将功率变化除以电压变化获得的值的积分结果来控制功率切换以跟踪最大功率值。 具有根据本发明的一个方面的具有最大功率点跟踪功能的电源可以包括：转换器部分切换输入电力，并将切换的输入功率转换成预定的直流电力; 以及最大功率点跟踪部，其检测所述输入功率的电压和功率值，通过对所述检测电压的变化进行除法检测的功率的变化，对所述分割结果进行积分，并且控制所述转换器部的切换动作 根据一体化的价值。

公开(公告)号：US07940032B2

公开(公告)日：2011-05-10

申请号：US12262199

申请日：2008-10-31

申请人： Jin Wook Kim ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Jae Sun Won ,  Dong Seong Oh ,  Dea Min Jang ,  Jong Hae Kim

发明人： Jin Wook Kim ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Jae Sun Won ,  Dong Seong Oh ,  Dea Min Jang ,  Jong Hae Kim

IPC分类号： G05F1/00

CPC分类号： G05F1/67

摘要： A power supply having a maximum power point tracking function that controls power switching so that a detected power value is within a reference range having a maximum power point in a predetermined current-voltage curve includes: a converter section switching input power and converting the switched input power into predetermined DC power; and a maximum power point tracking section detecting a power value determined according to a switching operation of the converter section among power values included in a predetermined power-voltage curve, and controlling the switching operation of the converter section so that the detected power value is located within a predetermined reference range having a maximum power value among the power values included in the power-voltage curve.

摘要翻译： 一种具有最大功率点跟踪功能的电源，其控制功率切换，使得检测功率值在具有预定电流 - 电压曲线中的最大功率点的参考范围内包括：转换器部分切换输入功率并将切换输入 电力进入预定的直流电源; 以及最大功率点跟踪部，其检测根据所述转换器部分的切换操作确定的功率值，所述功率值包括在预定电源电压曲线中的功率值之中，并且控制所述转换器部分的切换操作，使得所检测的功率值位于 在包括在电源电压曲线中的功率值中具有最大功率值的预定参考范围内。

公开(公告)号：US08274805B2

公开(公告)日：2012-09-25

申请号：US12258564

申请日：2008-10-27

申请人： Jin Wook Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Jong Sun Kim ,  Dong Seong Oh ,  Jae Sun Won ,  Jong Hae Kim

发明人： Jin Wook Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Jong Sun Kim ,  Dong Seong Oh ,  Jae Sun Won ,  Jong Hae Kim

IPC分类号： H02M3/18 ,  G05F1/62

CPC分类号： H02M7/5383 ,  H02M7/103

摘要： There is provided a high voltage power supply capable of reducing voltage stress of a voltage multiplying device. The high voltage power supply includes: a power converter switching on/off and converting an input direct current power into a direct current power having a preset voltage level; and a voltage multiplier including a first multiplying cell multiplying the voltage level of the direct current power from the power converter, wherein the first multiplying cell includes: first and second capacitors charging the direct current power from the power converter, respectively; a first diode providing a path for transferring the direct current power when the power converter is switched off; and a second diode providing a path for transferring the direct current power when the power converter is switched on.

摘要翻译： 提供能够降低电压倍增装置的电压应力的高压电源。 所述高压电源包括：电源转换器，其接通/断开并将输入直流电转换为具有预设电压电平的直流电; 以及电压倍增器，包括将来自所述功率转换器的直流电力的电压电平相乘的第一乘法单元，其中，所述第一乘法单元包括：分别从所述功率转换器对直流电力充电的第一和第二电容器; 提供当功率转换器关闭时传送直流电力的路径的第一二极管; 以及第二二极管，其在电源转换器接通时提供用于传送直流电力的路径。

公开(公告)号：US07915757B2

公开(公告)日：2011-03-29

申请号：US12243837

申请日：2008-10-01

申请人： Jong Hae Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh

发明人： Jong Hae Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh

IPC分类号： H02J3/12

CPC分类号： H02M3/33561 ,  Y02B70/1433 ,  Y10T307/406

摘要： Disclosed is a multi-output DC/DC converter controlling power-conversion switching in synchronization with a frequency of one output voltage among multiple output voltages in an LLC resonant DC/DC converter. The multi-output DC/DC converter includes a power conversion circuit performing alternate switching on an input DC voltage to output multiple DC voltages including a first DC voltage and a second DC voltage each having a preset voltage level, and a control circuit controlling the alternate switching of the power conversion circuit in synchronization with a preset resonant frequency.

摘要翻译： 公开了一种多路输出DC / DC转换器，其在LLC谐振DC / DC转换器的多个输出电压中与一个输出电压的频率同步地控制电源转换开关。 多输出DC / DC转换器包括电源转换电路，其对输入的DC电压执行交替切换，以输出包括具有预设电压电平的第一DC电压和第二DC电压的多个DC电压;以及控制电路 与预设的谐振频率同步地切换功率转换电路。

公开(公告)号：US20100014321A1

公开(公告)日：2010-01-21

申请号：US12332217

申请日：2008-12-10

申请人： Jae Sun WON ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh ,  Tae Won Heo ,  Dong Joong Kim ,  Don Sik Kim ,  Hak Ryong Kim

发明人： Jae Sun WON ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh ,  Tae Won Heo ,  Dong Joong Kim ,  Don Sik Kim ,  Hak Ryong Kim

IPC分类号： H02M3/335

CPC分类号： H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1491

摘要： There is provided a variable switching frequency type power supply that can achieve high efficiency by fixing a switching duty cycle to 50% and varying switching frequency. A variable switching frequency type power supply according to an aspect of the invention may include: a switching unit switching input power; a transformation unit converting a voltage level of the power switched by the switching unit into a predetermined voltage level; a rectification unit rectifying the power converted by the transformation unit; and a control unit fixing a switching duty cycle of the switching unit to a predetermined switching duty cycle, and varying switching frequency of the switching unit according to a voltage level of output power.

摘要翻译： 提供了一种可变开关频率型电源，其通过将开关占空比固定为50％并改变开关频率来实现高效率。 根据本发明的一个方面的可变开关频率型电源可以包括：切换单元切换输入功率; 转换单元，将由开关单元切换的电力的电压电平转换为预定电压电平; 整流单元对由变换单元转换的功率进行整流; 以及控制单元，将开关单元的开关占空比固定为预定的开关占空比，以及根据输出功率的电压电平来改变开关单元的开关频率。

公开(公告)号：US08107262B2

公开(公告)日：2012-01-31

申请号：US12332217

申请日：2008-12-10

申请人： Jae Sun Won ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh ,  Tae Won Heo ,  Dong Joong Kim ,  Don Sik Kim ,  Hak Ryong Kim

发明人： Jae Sun Won ,  Sung Soo Hong ,  Chung Wook Roh ,  Sang Kyoo Han ,  Jong Sun Kim ,  Dong Seong Oh ,  Tae Won Heo ,  Dong Joong Kim ,  Don Sik Kim ,  Hak Ryong Kim

IPC分类号： H02M3/335

CPC分类号： H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1491

摘要： There is provided a variable switching frequency type power supply that can achieve high efficiency by fixing a switching duty cycle to 50% and varying switching frequency. A variable switching frequency type power supply according to an aspect of the invention may include: a switching unit switching input power; a transformation unit converting a voltage level of the power switched by the switching unit into a predetermined voltage level; a rectification unit rectifying the power converted by the transformation unit; and a control unit fixing a switching duty cycle of the switching unit to a predetermined switching duty cycle, and varying switching frequency of the switching unit according to a voltage level of output power.

摘要翻译： 提供了一种可变开关频率型电源，其通过将开关占空比固定为50％并改变开关频率来实现高效率。 根据本发明的一个方面的可变开关频率型电源可以包括：切换单元切换输入功率; 转换单元，将由开关单元切换的电力的电压电平转换为预定电压电平; 整流单元对由变换单元转换的功率进行整流; 以及控制单元，将开关单元的开关占空比固定为预定的开关占空比，以及根据输出功率的电压电平来改变开关单元的开关频率。

公开(公告)号：US20090021179A1

公开(公告)日：2009-01-22

申请号：US12044683

申请日：2008-03-07

申请人： Jin Wook KIM ,  Dong Seong Oh ,  Jong Duck Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Dea Min Jang ,  Sung Ho Kim ,  Jin Woo Cho ,  Kwang Seung Cho

发明人： Jin Wook KIM ,  Dong Seong Oh ,  Jong Duck Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Dea Min Jang ,  Sung Ho Kim ,  Jin Woo Cho ,  Kwang Seung Cho

IPC分类号： H05B41/24

CPC分类号： H05B41/282 ,  H05B41/2822 ,  Y02B20/183

摘要： There is provided a backlight driving system for a liquid crystal display that can reduce size and weight of a product because a DC-DC converter is not used when commercial AC power is converted into lamp driving power. A backlight driving system for a liquid crystal display according to an aspect of the invention includes a power supply unit converting commercial alternating current (AC) power into direct current (DC) power having a voltage level set beforehand, an inverter unit converting the DC power from the power supply unit into AC power at a one-to-one conversion ratio set beforehand, a boosting unit boosting the AC power from the inverter unit into lamp lighting power set beforehand; and a lamp group receiving the lamp lighting power from the boosting unit to emit light.

摘要翻译： 提供了一种用于液晶显示器的背光驱动系统，其可以减小商品的尺寸和重量，因为当商业AC电力被转换成灯驱动功率时，不使用DC-DC转换器。 根据本发明的一个方面的用于液晶显示器的背光驱动系统包括将商用交流（AC）电力转换为预先设定的电压电平的直流（DC）电力的电源单元，将直流电力 从所述电源单元以预先设定的一对一转换比从所述电源单元输入到交流电力;升压单元，其将来自所述逆变器单元的交流电力提前预先设定为灯发光功率; 以及灯组，其从所述升压单元接收所述灯的点亮功率以发光。

公开(公告)号：US07663322B2

公开(公告)日：2010-02-16

申请号：US12044683

申请日：2008-03-07

申请人： Jin Wook Kim ,  Dong Seong Oh ,  Jong Duck Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Dea Min Jang ,  Sung Ho Kim ,  Jin Woo Cho ,  Kwang Seung Cho

发明人： Jin Wook Kim ,  Dong Seong Oh ,  Jong Duck Kim ,  Sug Chin Sakong ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Dea Min Jang ,  Sung Ho Kim ,  Jin Woo Cho ,  Kwang Seung Cho

IPC分类号： H05B41/16

CPC分类号： H05B41/282 ,  H05B41/2822 ,  Y02B20/183

摘要： There is provided a backlight driving system for a liquid crystal display that can reduce size and weight of a product because a DC-DC converter is not used when commercial AC power is converted into lamp driving power. A backlight driving system for a liquid crystal display according to an aspect of the invention includes a power supply unit converting commercial alternating current (AC) power into direct current (DC) power having a voltage level set beforehand, an inverter unit converting the DC power from the power supply unit into AC power at a one-to-one conversion ratio set beforehand, a boosting unit boosting the AC power from the inverter unit into lamp lighting power set beforehand; and a lamp group receiving the lamp lighting power from the boosting unit to emit light.

摘要翻译： 提供了一种用于液晶显示器的背光驱动系统，其可以减小商品的尺寸和重量，因为当商业AC电力被转换成灯驱动功率时，不使用DC-DC转换器。 根据本发明的一个方面的用于液晶显示器的背光驱动系统包括将商用交流（AC）电力转换为预先设定的电压电平的直流（DC）电力的电源单元，将直流电力 从所述电源单元以预先设定的一对一转换比从所述电源单元输入到交流电力;升压单元，其将来自所述逆变器单元的交流电力提前预先设定为灯发光功率; 以及灯组，其从所述升压单元接收所述灯的点亮功率以发光。

公开(公告)号：US08508144B2

公开(公告)日：2013-08-13

申请号：US13094335

申请日：2011-04-26

申请人： Sang Kyoo Han ,  Sung Soo Hong ,  Mi Ran Baek ,  Chung Wook Roh ,  Hee Seung Kim ,  Jae Sun Won ,  Ku Yong Kim ,  Jae Cheol Ju ,  Don Sik Kim ,  Dong Jin Lee

发明人： Sang Kyoo Han ,  Sung Soo Hong ,  Mi Ran Baek ,  Chung Wook Roh ,  Hee Seung Kim ,  Jae Sun Won ,  Ku Yong Kim ,  Jae Cheol Ju ,  Don Sik Kim ,  Dong Jin Lee

IPC分类号： H05B37/02 ,  H02M1/12

CPC分类号： H02M1/44 ,  H02M1/126 ,  H05B41/292

摘要： The power supply includes: an electromagnetic interference filter including a first filter which has a pair of electromagnetically coupled cores having at least two leg parts, first and second bobbins each having a tube-shaped body part having a penetration hole into which each of the leg parts is inserted and having a winding region defined as the circumference of the outer peripheral surface of the body part, and first and second coils respectively wound around the first and second bobbins to remove common mode electromagnetic interference included in power transmitted from a power line, the electromagnetic interference filter removing differential mode electromagnetic interference due to leakage inductance formed due to the leakage of magnetic flux flowing through the cores; a power factor corrector correcting a power factor of the power where the electromagnetic interference is removed; and a power converter switching the power-factor-corrected power into a driving power having a predetermined voltage level.

摘要翻译： 电源包括：电磁干扰滤波器，包括具有至少两个腿部部分的一对电磁耦合芯的第一滤波器，第一和第二线轴各自具有管状主体部分，该管状主体部分具有贯穿孔，每个腿部 部件被插入并且具有被定义为主体部分的外周表面的圆周的绕组区域，以及分别缠绕在第一和第二线轴上的第一和第二线圈，以去除包括在从电力线传输的电力中的共模电磁干扰， 电磁干扰滤波器消除由于流过芯的磁通量的泄漏而形成的漏电感的差模电磁干扰; 功率因数校正器，校正去除电磁干扰的功率的功率因数; 并且功率转换器将功率因数校正功率切换到具有预定电压电平的驱动功率。

公开(公告)号：US08120278B2

公开(公告)日：2012-02-21

申请号：US12473712

申请日：2009-05-28

申请人： Heung Gyoon Choi ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Sang Ho Cho ,  Sang Hyun Lee ,  Sung Ho Kim ,  Tae Hyung Kang ,  Jae Sun Won

发明人： Heung Gyoon Choi ,  Sung Soo Hong ,  Sang Kyoo Han ,  Chung Wook Roh ,  Sang Ho Cho ,  Sang Hyun Lee ,  Sung Ho Kim ,  Tae Hyung Kang ,  Jae Sun Won

IPC分类号： H05B37/02

CPC分类号： H02M3/285 ,  H05B33/0815 ,  Y02B20/346 ,  Y02B20/347 ,  Y02B20/348

摘要： The present invention provides an LED driving circuit including: an inverter unit for switching an input power source; a plurality of transformers including a plurality of primary windings connected to the inverter unit and connected to each other in series and a plurality of secondary windings each of which is coupled with each of the primary windings; a plurality of rectification units each of which is connected to each of the secondary windings; and a plurality of LEDs each of which is connected to each of the rectification units.

摘要翻译： 本发明提供一种LED驱动电路，包括：用于切换输入电源的逆变器单元; 多个变压器，包括连接到逆变器单元并且彼此串联连接的多个初级绕组和多个次级绕组，每个次级绕组与每个初级绕组耦合; 多个整流单元，每个整流单元连接到每个次级绕组; 以及多个LED，其各自连接到每个整流单元。