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公开(公告)号：US20150271883A1
公开(公告)日：2015-09-24
申请号：US14585980
申请日：2014-12-30
Inventor： Jae Kuk KIM , Jae Hyun Kim , Jae Bum Lee , Gun Woo Moon , Dong Kyun Ryu
IPC: H05B33/08
CPC classification number: H05B33/0815
Abstract: A power supply device may include a switching unit receiving and switching direct current power to provide power, a converting unit converting primary power into secondary power having a voltage level depending on a preset turns ratio according to the switching of the switching unit and outputting the converted secondary power, a light emitting diode which is driven by the secondary power provided from the converting unit, and a controlling unit generating a control signal of the switching unit based on voltage information of the secondary power and current information from the light emitting diode.
Abstract translation: 电源装置可以包括接收和切换直流电力以提供电力的开关单元，转换单元根据切换单元的切换将主电源转换为具有取决于预设匝数比的电压电平的次级电源，并输出转换的 二次电源，由从转换单元提供的二次电源驱动的发光二极管，以及控制单元，基于来自发光二极管的次级功率和电流信息的电压信息产生开关单元的控制信号。
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公开(公告)号：US20150115838A1
公开(公告)日：2015-04-30
申请号：US14528826
申请日：2014-10-30
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jae Kuk KIM , Dong Kyun RYU
IPC: H05B33/08
CPC classification number: H05B33/0815
Abstract: A switching mode power supply apparatus includes a main transformer converting DC voltage of a predetermined amplitude supplied from a voltage source into DC voltage of a different amplitude; an auxiliary transformer operated by receiving current flowing in a primary winding of the main transformer; a first semiconductor switching element turning on/off an LED array that is driven by receiving voltage from a secondary winding of the auxiliary transformer; and an auxiliary circuit disposed in an LED control circuit unit including the LED array and the first semiconductor switching element, wherein the auxiliary circuit distributes current flowing in the first semiconductor switching element so as to reduce heat generated in the first semiconductor switching element.
Abstract translation: 开关模式电源装置包括将从电压源提供的预定幅度的DC电压转换为不同振幅的DC电压的主变压器; 辅助变压器通过接收在主变压器的初级绕组中流动的电流来操作; 第一半导体开关元件，其通过从所述辅助变压器的次级绕组接收电压来驱动所述LED阵列的导通/截止; 以及辅助电路，设置在包括所述LED阵列和所述第一半导体开关元件的LED控制电路单元中，其中所述辅助电路分配在所述第一半导体开关元件中流动的电流，以便减少在所述第一半导体开关元件中产生的热量。
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3.发明申请公开(公告)号：US20160049877A1
公开(公告)日：2016-02-18
申请号：US14615413
申请日：2015-02-05
Inventor： Jung Min KANG , Gun Woo MOON , Yeon Ho JEONG , Jae Kuk KIM , Jae Hyun KIM
IPC: H02M3/335
CPC classification number: H02M3/337 , H01F27/38 , H01F29/02 , H02M3/33569 , H02M3/33592 , Y02B70/1475
Abstract: A power supply apparatus may include a transformer unit outputting a voltage transformed depending on an inductance ratio between a primary side and a secondary side, an inductance varying unit varying an inductance of the primary side depending on whether or not external input power is being input, and an output unit stabilizing the transformed voltage and outputting the stabilized voltage.
Abstract translation: 电源装置可以包括输出根据初级侧和次级侧之间的电感比变换的电压的变压器单元，根据是否输入外部输入功率来改变初级侧的电感的电感变化单元， 以及输出单元稳定变换的电压并输出稳定的电压。
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公开(公告)号：US20150237692A1
公开(公告)日：2015-08-20
申请号：US14585189
申请日：2014-12-30
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jae Kuk KIM , Hong Sun PARK
CPC classification number: H05B33/0815 , H02M1/4208 , Y02B70/126
Abstract: A power supply device may include an insulating DC/DC converter unit including a primary winding and a secondary winding magnetically coupled to the primary winding, and inducing a voltage in the secondary winding in a first direction or a second direction, and a boosting unit. The boosting unit may comprise a first booster boosting the voltage induced in the secondary winding to supply power to a first light emitting diode module, in a first mode in which the voltage is induced in the secondary winding in the first direction, and a second booster boosting the voltage induced in the secondary winding to supply power to a second light emitting diode module, in a second mode in which the voltage is induced in the secondary winding in the second direction.
Abstract translation: 电源装置可以包括绝缘DC / DC转换器单元，其包括初级绕组和与次级绕组磁耦合的次级绕组，并且在第一方向或第二方向上感应次级绕组中的电压和升压单元。 升压单元可以包括第一升压器，其以在第一模式中升压次级绕组中感应的电压以向第一发光二极管模块供电，其中在第一方向上在次级绕组中感应电压，第二升压器 在第二模式中升压次级绕组中感应的电压以向第二发光二极管模块供电，其中在次级绕组中在第二方向上感应出电压。
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公开(公告)号：US20140185329A1
公开(公告)日：2014-07-03
申请号：US13839355
申请日：2013-03-15
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jae Kuk KIM , Chong Eun KIM , Sung Ho KIM , Dong Kyun RYU
IPC: H02M3/28
CPC classification number: H02M3/33538 , H02M2003/1586
Abstract: There is provided a power supply apparatus including an interleaved active clamp forward converter unit including a first active clamp forward converter and a second active clamp forward converter, and an output unit magnetically coupled to the forward converter unit and having an output path according to a duty ratio of the forward converter unit, wherein the output unit includes a third powering leg electrified when the first active clamp forward converter and the second active clamp forward converter are powered, and an output leg supplying power to a load.
Abstract translation: 提供了一种电源装置，其包括交错的有源钳位正激转换器单元，其包括第一有源钳位正激转换器和第二有源钳位正激转换器，以及输出单元，其磁耦合到正激转换器单元并具有根据占空比的输出路径 正向转换器单元的比率，其中当第一有源钳位正激转换器和第二有源钳位正激转换器被供电时，输出单元包括通电的第三供电支路，以及向负载供电的输出支路。
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Patent Agency Ranking
公开(公告)号：US20150236587A1
公开(公告)日：2015-08-20
申请号：US14296232
申请日：2014-06-04
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jae Kuk KIM , Don Sik KIM
CPC classification number: G06F1/32 , G06F1/26 , H02M3/335 , H02M2001/0006 , H02M2001/0032 , Y02B70/16
Abstract: There is provided a power supply apparatus including: a first power supply unit including a transformer switching and transforming an input power, and converting the input power into a first power and providing the first power to a main output terminal and a standby output terminal; a second power supply unit converting the input power into a second power and provide the second power as an operating power of the first power supply unit; and a main switching unit intermitting supplying of the first power from the first power supply unit to the main output terminal.
Abstract translation: 提供一种电源装置，包括：第一电源单元，包括变压器切换和变换输入电力，并将输入功率转换为第一功率并将第一功率提供给主输出端和备用输出端; 第二电源单元将输入功率转换为第二功率，并将第二功率提供为第一电源单元的工作功率; 以及主开关单元，其将第一电力从第一电力供应单元提供给主输出端子。
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公开(公告)号：US20150117069A1
公开(公告)日：2015-04-30
申请号：US14529005
申请日：2014-10-30
Applicant: Samsung Electro-Mechanics Co. Ltd.
Inventor： Jae Kuk KIM , Chong Eun Kim
IPC: H02M3/335
CPC classification number: H02M3/3376 , H02M2001/0032 , H02M2001/0045 , H02M2001/0058 , Y02B70/1491 , Y02B70/16
Abstract: A power supply apparatus and a method of controlling the same. The power supply apparatus includes a DC/AC converting unit; a transformer; a AC/DC converting unit; and a loss compensating unit disposed before an inductor in a secondary side output stage of the transformer and compensating for power loss due to the inductor in a light load condition. The loss compensating unit is a circuit comprising a capacitor and a semiconductor switch element connected in series. The semiconductor switch element is turned off in a load condition greater than a light load and turned on in a light load condition according to a control instruction from an external control unit. The method comprises the method comprises supplying current to a load through an output stage of the AC/DC converting unit; detecting voltage across the load to determine whether the load is a light load; if the load is greater than the light load, supplying power to the load, with a semiconductor switch element of the loss compensating unit turned off; and if the load is the light load, supplying power to the load, with the semiconductor switch element of the loss compensating unit turned on.
Abstract translation: 电源装置及其控制方法。 电源装置包括DC / AC转换单元; 变压器 AC / DC转换单元; 以及损耗补偿单元，设置在变压器的次级侧输出级中的电感器之前，并补偿由于在轻负载状态下的电感器引起的功率损耗。 损耗补偿单元是包括串联连接的电容器和半导体开关元件的电路。 半导体开关元件在大于轻负载的负载条件下被关断，并且在轻负载状态下根据来自外部控制单元的控制指令而导通。 该方法包括：通过AC / DC转换单元的输出级向负载提供电流; 检测负载上的电压以确定负载是否为轻负载; 如果负载大于轻负载，则将损耗补偿单元的半导体开关元件断开，向负载供电; 并且如果负载是轻负载，则将损耗补偿单元的半导体开关元件导通，向负载供电。
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公开(公告)号：US20150006932A1
公开(公告)日：2015-01-01
申请号：US14035296
申请日：2013-09-24
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jae Kuk KIM , Chong Eun KIM
IPC: G06F1/32
CPC classification number: G06F1/26 , H02M3/33576 , H02M2001/0032 , Y02B70/16
Abstract: There is provided a power supply apparatus which varies the state of operating power used for powering a main power supply depending on a load condition. The power supply apparatus includes: a standby power supply unit performing power-conversion on an input power to provide a predetermined standby voltage; and an operating power supply unit changing power transfer paths according to a predetermined load condition of a main power and varying states of an operating voltage used for power-conversion on the main power, to supply the varied operating voltage.
Abstract translation: 提供了一种电源装置，其根据负载条件改变用于为主电源供电的工作电源的状态。 电源装置包括：待机电源单元，对输入电源进行功率转换以提供预定的待机电压; 以及操作电源单元，根据主电源的预定负载条件和用于主电源上的电力转换的工作电压的变化状态来改变电力传送路径，以提供变化的工作电压。
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公开(公告)号：US20150121101A1
公开(公告)日：2015-04-30
申请号：US14528839
申请日：2014-10-30
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jae Kuk KIM , Chong Eun KIM
CPC classification number: H02M3/33584 , G06F1/26 , H02M2003/1586
Abstract: A power supply apparatus includes a master circuit part charging a snubber capacitor initially and supplying power to a load under a light load; and a slave circuit part having a common output terminal with the master circuit part and supplying power to the load under a heavy load along with the master circuit part by distributing the load between them, wherein each of the master circuit part and the slave circuit part has the respective snubber capacitor that is chargeable and dischargeable at a secondary side of a transformer thereof. By doing so, power loss in a system can be reduced and efficiency under a light load improved.
Abstract translation: 电源装置包括：初级充电缓冲电容器的主电路部分，并且在轻负载下向负载供电; 以及从电路部分，其具有与主电路部分的公共输出端子，并且通过在它们之间分配负载，通过在它们之间分配负载，在重负载下向负载供电，其中主电路部分和从电路部分 具有在其变压器的次级侧可充电和放电的各个缓冲电容器。 通过这样做，系统中的功率损耗可以降低，并且轻负载下的功率提高。
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公开(公告)号：US20150115713A1
公开(公告)日：2015-04-30
申请号：US14529030
申请日：2014-10-30
Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
Inventor： Jae Kuk KIM , Chong Eun KIM , Don Sik KIM
CPC classification number: H02J7/022 , H02J7/045 , H02M3/33576 , H02M7/217 , Y02B40/90 , Y10T307/344
Abstract: A power supply apparatus includes a master circuit part charging a battery initially, supplying energy to a load that is a light load, and charging the battery when discharged; and a slave circuit part having a common output terminal with the master circuit part and supplying energy to the load that is a heavy load along with the master circuit part by distributing the load among them, wherein the master circuit part includes a rechargeable battery therein. Energy is supplied to a load using a battery at a low load that is a half load or less in a power supply circuit, thereby increasing energy efficiency.
Abstract translation: 电源装置包括：初始对电池充电的主电路部分，向轻负载的负载供电;以及在放电时对电池充电; 以及从电路部分，其具有与主电路部分的公共输出端子，并且通过在它们之间分配负载来向主电路部分与主电路部分一起向负载提供能量，其中主电路部分包括可再充电电池。 在电力供给电路中，以低负载为半负载的电池向负载供给能量，从而提高能量效率。
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