公开(公告)号：US20160006357A1

公开(公告)日：2016-01-07

申请号：US14324722

申请日：2014-07-07

Applicant: HEP TECH CO., LTD.

Inventor： Po-Yen CHEN ,  Ching-Tsai PAN ,  Ta-Sheng HUNG

IPC: H02M3/335

CPC classification number: H02M3/335 ,  H02M2001/0048 ,  Y02B70/1433 ,  Y02B70/1491

Abstract: A power conversion apparatus, which converts power of a DC power supply and provides it to the loading, includes a transformer, an electronic switch, a leakage energy recycling circuit, and a output circuit. The transformer has a primary winding, which receives the power, and a secondary winding, which outputs the converted power. An end of the electronic switch is electrically connected to the primary winding; another end thereof is electrically connected to the DC power supply. The leakage energy recycling circuit is electrically connected to the primary winding, and repeatedly and alternatively outputs power of positive and negative voltage. The circuit receives and stores leakage energy of the transformer, and feedbacks it to the transformer. The output circuit is electrically connected to the secondary winding to receive the converted power and to provide it to the loading.

Abstract translation: 电力转换装置，其将直流电源的功率转换并提供给负载，包括变压器，电子开关，泄漏能量回收电路和输出电路。 变压器具有接收功率的初级绕组和输出转换功率的次级绕组。 电子开关的一端电连接到初级绕组; 其另一端电连接到直流电源。 泄漏能量循环回路与初级绕组电连接，反复输出功率正负电压。 电路接收并存储变压器的泄漏能量，并将其反馈给变压器。 输出电路电连接到次级绕组以接收转换的电力并将其提供给负载。

公开(公告)号：US20140217923A1

公开(公告)日：2014-08-07

申请号：US14165259

申请日：2014-01-27

Applicant: Ming-Feng Lin ,  HEP TECH CO., LTD.

Inventor： Ming-Feng LIN

IPC: H05B37/02

CPC classification number: H05B37/02 ,  H05B33/0845 ,  H05B33/0857

Abstract: A dimmable LED illumination system includes a power converting circuit and a lamp. The power converting circuit is electrically connected to a power source to convert electric power of the power source into a voltage signal. The lamp includes a DC/DC converter and a LED module, wherein the DC/DC converter is electrically connected to the power converting circuit to convert the voltage signal into a corresponding current signal. The LED module is electrically connected to the DC/DC converter to be driven by the current signal to emit light. By adjusting a voltage provided by the power converting circuit, a current provided by the DC/DC converter could be adjusted as well, which changes a luminance of the LED module.

Abstract translation: 可调光LED照明系统包括电力转换电路和灯。 电力转换电路电连接到电源以将电源的电力转换为电压信号。 该灯包括DC / DC转换器和LED模块，其中DC / DC转换器电连接到功率转换电路，以将电压信号转换成相应的电流信号。 LED模块电连接到DC / DC转换器以由电流信号驱动以发光。 通过调整由电力转换电路提供的电压，可以调节由DC / DC转换器提供的电流，这改变了LED模块的亮度。

公开(公告)号：US20140153306A1

公开(公告)日：2014-06-05

申请号：US14096796

申请日：2013-12-04

Applicant: HEP TECH CO., LTD.

Inventor： Ching-Tsai PAN ,  Po-Yen CHEN ,  Ta-Sheng HUNG

IPC: G05F1/70 ,  H02M1/42

CPC classification number: H02M1/4208 ,  H02M1/4225 ,  H02M1/4241 ,  H02M1/4266 ,  H02M3/156 ,  H02M2003/1557 ,  Y02B70/123

Abstract: An AC/DC converter includes a rectifier circuit and an active power factor correction circuit. The rectifier circuit is electrically connected to a power supply, and is used to convert an alternate current into a direct current, wherein the rectifier circuit has a positive output and a negative output for sending out the direct current. The active power factor correction circuit electrically connects the rectifier circuit and a loading, wherein the active power factor correction circuit is used to suppress voltage ripples provided to the loading.

Abstract translation: AC / DC转换器包括整流电路和有功功率因数校正电路。 整流电路与电源电连接，用于将交流电转换为直流电流，其中整流电路具有正输出和负输出，用于发出直流电。 有源功率因数校正电路将整流电路和负载电连接，其中有源功率因数校正电路用于抑制提供给负载的电压波动。

公开(公告)号：US09609727B2

公开(公告)日：2017-03-28

申请号：US14922537

申请日：2015-10-26

Applicant: HEP TECH CO., LTD.

Inventor： Po-Yen Chen ,  Ta-Sheng Hung

IPC: H05B37/02

CPC classification number: H05B37/0272 ,  H05B37/0254

Abstract: A lighting device is provided, which may include a power converting module, a lighting module, a wireless receiving module and a wired receiving module. The power converting module may be coupled to the lighting module, the wireless receiving module and the wired receiving module. The wireless receiving module may receive a second control signal transmitted from a wireless control module by a wireless transmission technology, and convert the second control signal into a second converted control signal. The wired receiving module may receive a first control signal transmitted from a wired control module, and convert the first control signal into a first converted control signal. The power converting module may drive the lighting module and the wireless receiving module, and may adjust the luminous status of the lighting module according to the first and second converted control signals.

公开(公告)号：US20160301299A1

公开(公告)日：2016-10-13

申请号：US15036574

申请日：2014-10-14

Applicant: HEP TECH CO., LTD

Inventor： CHING-TSAI PAN ,  PO-YEN CHEN ,  TA-SHENG HUNG

IPC: H02M1/42 ,  H02M7/217 ,  H02M3/335 ,  H02M3/07

CPC classification number: H02M1/4258 ,  H02M1/34 ,  H02M1/4208 ,  H02M3/06 ,  H02M3/07 ,  H02M3/33546 ,  H02M3/33592 ,  H02M7/103 ,  H02M7/217 ,  H02M2001/346 ,  Y02B70/126 ,  Y02B70/1475 ,  Y02B70/1491 ,  Y02P80/112

Abstract: An isolated AC-DC conversion device is provided, which include a rectifier circuit (10), an active power factor correction circuit (20), an isolated transformer (30) and an automatic charge pump circuit (40). The rectifier circuit is connected to an AC power source (100) to receive electrical energy outputted from the AC power source, convert the electrical energy to DC electrical energy and output the DC electrical energy. The active power factor correction circuit is connected to the output terminal of the rectifier circuit to receive the DC electrical energy outputted by the rectifier circuit, increase the power factor, and then output the DC electrical energy. The primary side of the isolation transformer is connected to the active power factor correction circuit. One side of the automatic charge pump circuit is electrically connected to the secondary side of the isolation transformer, and the other side is connected to a load (200).

Abstract translation: 提供了一种隔离的AC-DC转换装置，其包括整流电路（10），有源功率因数校正电路（20），隔离变压器（30）和自动电荷泵电路（40）。 整流电路连接到AC电源（100）以接收从AC电源输出的电能，将电能转换为DC电能并输出DC电能。 有源功率因数校正电路连接到整流电路的输出端，接收整流电路输出的直流电能，增加功率因数，然后输出直流电能。 隔离变压器的初级侧连接到有源功率因数校正电路。 自动电荷泵电路的一侧电连接到隔离变压器的次级侧，另一侧连接到负载（200）。

公开(公告)号：US20150280580A1

公开(公告)日：2015-10-01

申请号：US14666657

申请日：2015-03-24

Applicant: HEP TECH CO., LTD.

Inventor： PO-YEN CHEN ,  CHING-TSAI PAN ,  TA- SHENG Hung

IPC: H02M3/335

CPC classification number: H02M3/33507 ,  H02M3/33561 ,  Y02B70/1433 ,  Y10T307/297

Abstract: A power conversion apparatus, which converts power of a DC power supply and provides it to a plurality of loadings, includes a transformer, an electronic switch, a leakage energy recycling circuit, and a plurality of output circuits. The transformer has a plurality of primary windings, which receives the power, and a plurality of secondary windings, which outputs the converted power. One end of the electronic switch is electrically connected to the primary windings; the other end thereof is electrically connected to the DC power supply. The leakage energy recycling circuit is electrically connected to the primary windings, and repeatedly and alternatively outputs the powers of positive and negative voltage. The circuit receives and stores leakage energy of the transformer, and feedbacks it to the transformer. The output circuits are electrically connected to the secondary windings to receive the converted power and to provide it to the loadings.

Abstract translation: 一种电力转换装置，其将直流电源的功率转换并将其提供给多个负载，包括变压器，电子开关，泄漏能量回收电路和多个输出电路。 变压器具有接收功率的多个初级绕组和输出转换的功率的多个次级绕组。 电子开关的一端电连接到初级绕组; 其另一端电连接到直流电源。 泄漏能量回收电路电连接到初级绕组，并且反复地并且交替地输出正和负电压的功率。 电路接收并存储变压器的泄漏能量，并将其反馈给变压器。 输出电路电连接到次级绕组以接收转换的功率并将其提供给负载。

公开(公告)号：US20150264771A1

公开(公告)日：2015-09-17

申请号：US14641350

申请日：2015-03-07

Applicant: MING-FENG LIN ,  HEP TECH CO., LTD.

Inventor： MING-FENG LIN

IPC: H05B33/08

CPC classification number: H05B33/0851 ,  H05B33/0815

Abstract: A method of driving a LED chip includes the following steps: generate a reference voltage, and accordingly control a driving unit to output electrical energy at a power corresponding to the strength of the reference voltage; obtain an operating current required by the LED chip; control the driving unit to output the operating current to the LED chip under the power corresponding to the reference voltage. Whereby, with different strengths of the reference voltage, the driving unit is capable of outputting electrical energy to the LED chip at different powers. Therefore, one single driving apparatus applied with the method is sufficient to replace multiple conventional driving apparatuses for LED chips.

Abstract translation: 驱动LED芯片的方法包括以下步骤：产生参考电压，从而控制驱动单元以与参考电压的强度相对应的功率输出电能; 获得LED芯片所需的工作电流; 控制驱动单元在对应于参考电压的功率下将工作电流输出到LED芯片。 由此，具有不同的参考电压强度，驱动单元能够以不同的功率向LED芯片输出电能。 因此，应用该方法的单个驱动装置足以替代用于LED芯片的多个常规驱动装置。

公开(公告)号：US09131579B2

公开(公告)日：2015-09-08

申请号：US14204972

申请日：2014-03-11

Applicant: HEP TECH CO., LTD. ,  Ming-Feng Lin

Inventor： Ming-Feng Lin

IPC: H05B37/02 ,  H05B33/08

CPC classification number: H05B33/0851 ,  H05B33/0848

Abstract: A driving apparatus for LED chips includes: a driving unit, a voltage measuring unit, and a feedback control module. The driving unit provides a driving voltage and a driving current to a LED chip; the voltage measuring unit measures the driving voltage; the feedback control module is built-in with a default power; According to the driving voltage measured by the voltage measuring unit and the default power, the feedback control module controls the driving unit to maintain the driving current at a working current, wherein the working current matches the rated current of the LED chip. Whereby, the driving apparatus could drive LED chips of different specifications.

Abstract translation: 用于LED芯片的驱动装置包括：驱动单元，电压测量单元和反馈控制模块。 驱动单元向LED芯片提供驱动电压和驱动电流; 电压测量单元测量驱动电压; 反馈控制模块内置默认电源; 根据由电压测量单元测量的驱动电压和默认功率，反馈控制模块控制驱动单元将驱动电流维持在工作电流，其中工作电流与LED芯片的额定电流相匹配。 因此，驱动装置可以驱动不同规格的LED芯片。

公开(公告)号：US09078326B2

公开(公告)日：2015-07-07

申请号：US14165151

申请日：2014-01-27

Applicant: HEP TECH CO., LTD.

Inventor： Ming-Feng Lin

IPC: H05B37/02 ,  H05B33/08

CPC classification number: H05B33/0845 ,  H05B33/0815 ,  Y02B20/346

Abstract: A dimmable LED lamp, which receives power from a DC power source to emit light, includes a main body, a DC/DC converter, and a LED module; wherein the main body is hollow, and includes a conductive portion made of a conductive material, wherein the conductive portion is connected to the DC power source; the DC/DC converter is provided in the main body, and is electrically connected to the conductive portion of the main body to receive a power from at least a DC power source; the DC/DC converter converts a voltage of the power provided by the DC power source into a corresponding current; the LED module is provided on the main body, and is electrically connected to the DC/DC converter to emit light with luminance corresponding to the current received from the DC/DC converter.

Abstract translation: 从DC电源接收发光功率的可调光LED灯包括主体，DC / DC转换器和LED模块; 其中所述主体是中空的，并且包括由导电材料制成的导电部分，其中所述导电部分连接到所述直流电源; DC / DC转换器设置在主体中，并且电连接到主体的导电部分以从至少DC电源接收电力; DC / DC转换器将由DC电源提供的电力的电压转换成相应的电流; LED模块设置在主体上，并且电连接到DC / DC转换器以发射具有与从DC / DC转换器接收的电流相对应的亮度的光。

公开(公告)号：US09078322B2

公开(公告)日：2015-07-07

申请号：US14205014

申请日：2014-03-11

Applicant: HEP TECH CO., LTD. ,  Ming-Feng Lin

Inventor： Ming-Feng Lin

IPC: H05B37/02 ,  H05B33/08

CPC classification number: H05B33/0842

Abstract: A method of driving LED chips, wherein the LED chips have different specifications, includes the steps of: A. defining a plurality of setting currents; B. connecting a LED chip; C. selecting one of the setting currents which matches a rated current of the LED chip; and D. providing power with the selected setting current to the LED chip. Whereby, the method could be applied to drive LED chips of several different specifications.

Abstract translation: 一种驱动LED芯片的方法，其中LED芯片具有不同的规格，包括以下步骤：A.限定多个设定电流; B.连接LED芯片; C.选择与LED芯片的额定电流相匹配的设定电流之一; 以及D.向LED芯片提供所选择的设定电流的电力。 因此，该方法可以应用于驱动几种不同规格的LED芯片。