公开(公告)号：US20130070504A1

公开(公告)日：2013-03-21

申请号：US13615636

申请日：2012-09-14

Applicant: Ming Xu ,  Chuan-Yun Wang

Inventor： Ming Xu ,  Chuan-Yun Wang

IPC: H02M7/5387

CPC classification number: H02M7/5388 ,  H02J3/383 ,  H02M7/493 ,  H02M2001/123 ,  Y02E10/563

Abstract: A non-isolated inverter including a DC input-side, a capacitor connected in parallel with the DC input-side, an AC output-side connected in parallel with a load, and first and second bridge-arm units is provided. The first and second bridge-arm units are connected in parallel with the capacitor. The first bridge-arm unit includes a series forward-connection of upper and lower switch-elements, where a common-node of upper and lower switch-elements and a supplying terminal of the second bridge-arm unit are respectively connected to two terminals of the AC output-side. The upper and lower switch-elements are respectively turned on in positive and negative half cycles of an output current of the non-isolated inverter, and the generation of common-mode currents in the non-isolated inverter is suppressed under a clamping action between the upper and lower switch-elements due to there are no high-frequency voltages on the parasitic-capacitors from the non-isolated inverter to the ground.

Abstract translation: 提供一种非隔离逆变器，包括DC输入侧，与DC输入侧并联连接的电容器，与负载并联连接的AC输出侧，以及第一和第二桥臂单元。 第一和第二桥臂单元与电容器并联连接。 第一桥臂单元包括上下开关元件的串联前向连接，其中上下开关元件的共同节点和第二桥臂单元的供电端子分别连接到第二桥臂单元的两个端子 交流输出端。 上下开关元件分别在非隔离逆变器的输出电流的正半周期和负半周期中导通，并且在非隔离逆变器的输出电流之间的钳位动作下抑制了共模电流的产生 上，下开关元件由于在非隔离逆变器到地的寄生电容上没有高频电压。

公开(公告)号：US20130049633A1

公开(公告)日：2013-02-28

申请号：US13592367

申请日：2012-08-23

Applicant: Bao-Liin Wann ,  Juan-Juan Sun ,  Hai-Dan Zou ,  Xiao-Qing Li

Inventor： Bao-Liin Wann ,  Juan-Juan Sun ,  Hai-Dan Zou ,  Xiao-Qing Li

IPC: H05B37/02

CPC classification number: H05B33/0866

Abstract: An illumination system at least including a first light-emitting-diode (LED) lamp and a first driving device with a communication function is provided. The first driving device is coupled to the first LED lamp, and is configured to receive a first control signal corresponding to the first LED lamp via wired or wireless manner, and to accordingly provide a first working parameter of the first LED lamp. Therefore, in the invention, the first control signal can be generated by an electronic equipment with a communication function (for example, a smart phone, a notebook, or a tablet PC) included in the provided illumination system, so as to manipulate the first LED lamp via wired or wireless manner.

Abstract translation: 提供至少包括第一发光二极管（LED）灯和具有通信功能的第一驱动装置的照明系统。 第一驱动装置耦合到第一LED灯，并且被配置为经由有线或无线方式接收对应于第一LED灯的第一控制信号，并且因此提供第一LED灯的第一工作参数。 因此，在本发明中，第一控制信号可以由具有通信功能的电子设备（例如，智能电话，笔记本电脑或平板PC）生成，从而操作第一控制信号 LED灯通过有线或无线方式。

公开(公告)号：US08295054B2

公开(公告)日：2012-10-23

申请号：US12419073

申请日：2009-04-06

Applicant: Shao-Feng Lu

Inventor： Shao-Feng Lu

IPC: H05K5/00

CPC classification number: H05K7/1417 ,  H05K3/3447

Abstract: A printed circuit board fastening structure aims to fasten a printed circuit board which has a first bearing surface abutting and coupling on a casing and a second bearing surface. The first bearing surface is coupled with at least one support member. The support member has at least one leg connecting to the first bearing surface and an end portion formed with a fastening hole. The end portion is adjacent to the casing. A fastening element is provided to run through the casing from another side thereof to couple with the support member, thereby to fasten the printed circuit board to the casing.

Abstract translation: 印刷电路板紧固结构旨在将具有抵接并联接在壳体上的第一支承表面和第二支承表面的印刷电路板紧固。 第一支承表面与至少一个支撑构件联接。 支撑构件具有连接到第一支承表面的至少一个支脚和形成有紧固孔的端部。 端部与壳体相邻。 提供紧固元件以从其另一侧穿过壳体以与支撑构件联接，从而将印刷电路板紧固到壳体。

公开(公告)号：US20120242299A1

公开(公告)日：2012-09-27

申请号：US13349571

申请日：2012-01-13

Applicant: Ming Xu ,  Chuanyun Wang ,  Peng Mao

Inventor： Ming Xu ,  Chuanyun Wang ,  Peng Mao

IPC: G05F1/70

CPC classification number: H02M1/4216 ,  H02M1/4225 ,  Y02B70/126

Abstract: A three-phase boost-buck PFC converter including three independent single-phase boost-buck PFC circuits respectively is provided, which are capable of performing PFC on each phase of the three-phase power. The single-phase boost-buck PFC circuit is composed of two single-phase boost-buck converters independently working in a positive and a negative half cycle of an input voltage, and the two single-phase boost-buck converters are connected in parallel at an input side, and are connected in series at an output side, and each of the single-phase boost-buck converters is composed of a front-end boost circuit and a back-end buck circuit connected in cascade. Compared to the existing technique, regardless of a boost mode or a buck mode, the conduction loss is effectively reduced, and the whole system efficiency is effectively improved.

Abstract translation: 提供了分别包括三个独立的单相升压 - 降压PFC电路的三相升压降压PFC转换器，它们能够在三相电源的每个相上执行PFC。 单相升压降压PFC电路由独立工作在输入电压的正半周期和负半周期的两个单相升压降压转换器组成，两个单相升压降压转换器并联连接 输入侧，并且在输出侧串联连接，并且每个单相升压降压转换器由级联连接的前端升压电路和后端降压电路组成。 与现有技术相比，无论升压模式还是降压模式，导通损耗都有效降低，整个系统效率得到有效的提高。

公开(公告)号：US08264821B2

公开(公告)日：2012-09-11

申请号：US12352850

申请日：2009-01-13

Applicant: Shao-Feng Lu

Inventor： Shao-Feng Lu

IPC: H05K5/00 ,  H05K7/00

CPC classification number: H05K7/1457 ,  G06F1/182 ,  G06F1/189 ,  G06F1/263

Abstract: A transformation structure for a redundant power system which includes at least two power supplies and a first circuit board to cluster the power supplies and deliver output thereof and a second circuit board electrically connected to the first circuit board. The second circuit board is coupled with at least one transformation module according to output potentials defined by users. The transformation module receives power from the second circuit board and regulates at least one output power. Hence, the present invention could be formed in an independent module with a function of power transformation. Thereby, the transformation module can be selected and mounted onto the second circuit board according to customer's requirements. The second circuit board has a sufficient area serving heat radiation and insulation. The present invention can obtains merits of decreasing the product size, enhancing heat radiation and providing changeable output specifications to meet customizing requirements.

Abstract translation: 一种用于冗余电力系统的变换结构，其包括至少两个电源和用于聚集电源并递送其输出的第一电路板和与第一电路板电连接的第二电路板。 第二电路板根据用户定义的输出电位与至少一个变换模块耦合。 变换模块从第二电路板接收电力并调节至少一个输出功率。 因此，本发明可以形成在具有功率变换功能的独立模块中。 因此，可以根据客户要求将变换模块选择并安装到第二电路板上。 第二个电路板具有足够的热辐射和绝缘区域。 本发明可以获得降低产品尺寸，增强热辐射和提供可变输出规格以满足定制要求的优点。

公开(公告)号：US08242703B2

公开(公告)日：2012-08-14

申请号：US12686333

申请日：2010-01-12

Applicant: Beibei Wang ,  Xinbo Ruan ,  Ming Xu ,  Kai Yao

Inventor： Beibei Wang ,  Xinbo Ruan ,  Ming Xu ,  Kai Yao

IPC: H05B41/16

CPC classification number: H05B33/0815

Abstract: A driving apparatus is provided and configured to suit driving at least a string of light emitting diodes (LEDs). The driving apparatus includes a flyback power factor correction (PFC) converter, a harmonics-filtering unit and a control unit. The flyback PFC converter works in an operation mode according to a pulse-width modulation (PWM) signal and receives an AC power so as to convert the AC power into a pulsating current. The harmonics-filtering unit is coupled to the flyback PFC converter and the string of LEDs, for receiving the pulsating current and filtering out the high-frequency harmonic components in the pulsating current so as to drive the string of LEDs. The control unit is coupled to the flyback PFC converter and the harmonics-filtering unit, for producing the PWM signal according to the AC power and the pulsating current, and reducing the peak-to-average ratio (PAR) of the pulsating current.

Abstract translation: 驱动装置被提供和配置为适合驱动至少一串发光二极管（LED）。 驱动装置包括反激式功率因数校正（PFC）转换器，谐波滤波单元和控制单元。 回扫PFC转换器根据脉宽调制（PWM）信号工作在运行模式，并接收交流电源，以将交流电转换为脉动电流。 谐波滤波单元耦合到回扫PFC转换器和LED串，用于接收脉动电流并滤除脉动电流中的高频谐波分量，以驱动LED串。 控制单元耦合到回扫PFC转换器和谐波滤波单元，用于根据AC功率和脉动电流产生PWM信号，并降低脉动电流的峰值平均比（PAR）。

公开(公告)号：US08199463B2

公开(公告)日：2012-06-12

申请号：US12418781

申请日：2009-04-06

Applicant: Shao-Feng Lu ,  Meng-Chieh Wu

Inventor： Shao-Feng Lu ,  Meng-Chieh Wu

IPC: H05K7/14

CPC classification number: H05K5/0247 ,  G06F1/26

Abstract: An output architecture of a power supply is disclosed, wherein the power supply includes an input portion to obtain input power and a conversion circuit board connecting to the input portion to convert the input power into output power of different voltage potential. The conversion circuit board includes plural power output areas with different preset output voltages, and after selecting the output standard, the power output areas connect to at least one power extension board via plural electrical conductive elements, so as to provide the power extension board the output power, and the power extension board has plural output wires connected to a load. Through the architecture described above, the corresponding output wires can be selected after the output standard is selected for connecting to the power extension board, and then, the power extension board is connected to the conversion circuit board.

Abstract translation: 公开了电源的输出结构，其中电源包括用于获得输入电力的输入部分和连接到输入部分的转换电路板，以将输入功率转换成不同电压电位的输出功率。 转换电路板包括具有不同预设输出电压的多个功率输出区域，并且在选择输出标准之后，功率输出区域经由多个导电元件连接至少一个功率扩展板，从而为功率扩展板提供输出 功率扩展板具有连接到负载的多个输出线。 通过上述结构，在选择输出标准连接到电源扩展板之后，可以选择相应的输出线，然后将电源扩展板连接到转换电路板。

公开(公告)号：US20120039103A1

公开(公告)日：2012-02-16

申请号：US13207435

申请日：2011-08-11

Applicant: Ming Xu ,  Julu Sun ,  Chao Sun

Inventor： Ming Xu ,  Julu Sun ,  Chao Sun

IPC: H02M7/06

CPC classification number: H02M1/425 ,  H02M1/4258 ,  Y02B70/126

Abstract: A single-stage AC/DC converter is provided, and which includes a power-frequency follow-current circuit, an isolated transmission circuit (ITC), a high-frequency chopper modulation circuit (HFCMC), a power-frequency and high-frequency AC rectifying-circuit and a filter-circuit. The input of the ITC is connected to the output of an external power-frequency power source, the current-modulating side of the ITC is connected to the input of the HFCMC, the output of the ITC is connected to the input of the power-frequency and high-frequency AC rectifying-circuit, the output of the HFCMC is connected to the input of the external power-frequency power source through the power-frequency follow-current connected in series with the HFCMC , and the output of the power-frequency and high-frequency AC rectifying circuit is connected to a load through the filter circuit connected in series with the power-frequency and high-frequency AC rectifying-circuit. The invention simplifies the rectifier part with higher transformation efficiency.

Abstract translation: 提供了一个单级AC / DC转换器，它包括一个功率频率跟随电路，一个隔离传输电路（ITC），一个高频斩波调制电路（HFCMC），一个工频和高频 交流整流电路和滤波电路。 ITC的输入连接到外部电源电源的输出，ITC的电流调制侧连接到HFCMC的输入，ITC的输出端连接到电源 - 频率和高频交流整流电路，HFCMC的输出通过与HFCMC串联连接的工频跟随电流连接到外部电源电源的输入端， 频率和高频交流整流电路通过与电源频率和高频交流整流电路串联连接的滤波电路连接到负载。 本发明简化了转换效率较高的整流器部件。

公开(公告)号：US08106643B2

公开(公告)日：2012-01-31

申请号：US12727252

申请日：2010-03-19

Applicant: Chih-Chang Tsai

Inventor： Chih-Chang Tsai

IPC: G05F1/575 ,  G05F1/59

CPC classification number: H02J1/10 ,  H02M3/156 ,  Y10T307/50

Abstract: A power supply apparatus is provided. The power supply apparatus includes two power suppliers coupled in parallel so as to simultaneously supply the electric power required by an electronic product in operation. The power supply apparatus provided by the invention may stably/accurately output the desired DC output voltage to the electronic product, and may further in advance increase a main power generated inside the other power supplier when one of the power suppliers is over voltage, thereby avoiding an oversized voltage drop from occurring in the DC output voltage.

Abstract translation: 提供电源装置。 供电装置包括并联连接的两个供电装置，以便同时供应电子产品运行所需的电力。 本发明提供的供电装置可以稳定/精确地输出期望的直流输出电压到电子产品，并且当电力供应商中的一个电压过高时，可以进一步预先增加在另一供电器内产生的主电力，从而避免 在直流输出电压中出现过大的电压降。

公开(公告)号：US08106323B2

公开(公告)日：2012-01-31

申请号：US12346263

申请日：2008-12-30

Applicant: Wen-Chi Liu ,  Chi-Tsung Liang ,  Chia-Cheng Liu

Inventor： Wen-Chi Liu ,  Chi-Tsung Liang ,  Chia-Cheng Liu

IPC: H01H19/20

CPC classification number: H01H9/0228 ,  H01H3/0213 ,  H01H19/58

Abstract: A potential switching apparatus for a power adapter which transforms input power to output power delivered through a power output cord. The potential switch apparatus switches the potential of the output power. It includes a first body and a second body located on the power output cord. The first body has a first contact and a second contact. The second body has a switch element connectable to the first contact to deliver the output power at a first potential and connectable to the second contact to deliver the output power at a second potential. Thus the potential of the output power can be switched. The present invention improves the conventional potential switch device on the power adapter that is too bulky in size.

Abstract translation: 一种用于电力适配器的潜在开关装置，其将输入功率转换成通过电力输出线输送的输出功率。 电位开关装置切换输出功率的电位。 它包括位于电源输出线上的第一主体和第二主体。 第一主体具有第一接触件和第二接触件。 第二主体具有可连接到第一触点的开关元件，以将输出功率输送到第一电位，并可连接到第二触点，以将输出功率输送到第二电位。 因此可以切换输出功率的电位。 本发明改进了尺寸太大的电源适配器上的常规电位开关装置。