公开(公告)号：US07714689B1

公开(公告)日：2010-05-11

申请号：US12330161

申请日：2008-12-08

Applicant: Wen Sen Hsieh

Inventor： Wen Sen Hsieh

IPC: H01F27/30

CPC classification number: H01F27/30 ,  H01F27/29 ,  H01F27/326 ,  H01F38/10

Abstract: A transformer structure includes an iron core set, a main bobbin, and two sub-bobbins. The main bobbin includes a primary winding area for winding a first coil, a main bobbin through hole longitudinally mounted in and penetrating through the main bobbin, and two assembling troughs respectively formed at two ends of the main bobbin through hole. The two sub-bobbins are respectively accommodated in the two assembling troughs and respectively include a secondary winding area for winding a second coil and a sub-bobbin through hole communicated with the main bobbin through hole for penetrating the iron core set. Therefore, the sub-bobbins are mounted in two extended assembling troughs of the main bobbin, the first coil is wound on the primary winding area at the outer side of the main bobbin, and the first coil is separated from the second coils not only by horizontal distance but also by the assembling troughs.

Abstract translation: 变压器结构包括铁芯组，主线轴和两个副线轴。 主线轴包括用于缠绕第一线圈的初级绕组区域，纵向安装并穿过主线轴的主线轴通孔，以及分别形成在主线轴通孔两端的两个组装槽。 两个副线轴分别容纳在两个组装槽中，分别包括用于卷绕第二线圈的次级绕组区域和与用于穿透铁芯组的主线轴通孔连通的副线轴通孔。 因此，副线轴安装在主线轴的两个延伸的组装槽中，第一线圈缠绕在主线轴的外侧的初级绕组区域上，并且第一线圈不仅与第二线圈分离， 水平距离，也由装配槽。

公开(公告)号：US20100033995A1

公开(公告)日：2010-02-11

申请号：US12189419

申请日：2008-08-11

Applicant: Kuo-Fan LIN ,  Chien-Li TSAI

Inventor： Kuo-Fan LIN ,  Chien-Li TSAI

IPC: H02M3/335

CPC classification number: H02M3/33592 ,  Y02B70/1475

Abstract: A flyback circuit providing synchronized control includes a pulse width modulation (PWM) unit, a synchronized control unit and an ON period limiting unit. The PWM unit generates a driving signal to control a switch ON period of a primary winding and provides a synchronized signal prior to the generation of the driving signal that has output time series ahead the driving signal. The synchronized control unit receives the synchronized signal through an induction winding to set off a synchronized commutation switch. The ON period limiting unit starts a period limiting time series after the synchronized commutation switch has been set on. After the synchronized commutation switch is set off by the synchronized signal the ON period limiting unit is reset to an initial condition. The synchronized commutation switch maintains an ON condition until the period limiting time series end, then the ON period limiting unit generates a forced ending signal to set off the synchronized commutation switch so that the flyback circuit maintains operation at a minimum duty frequency.

Abstract translation: 提供同步控制的反激电路包括脉冲宽度调制（PWM）单元，同步控制单元和导通周期限制单元。 PWM单元产生驱动信号以控制初级绕组的开关导通周期，并且在产生具有在驱动信号之前具有输出时间序列的驱动信号之前提供同步信号。 同步控制单元通过感应线圈接收同步信号，以便设置同步换向开关。 ON周期限制单元在同步换向开关置位之后开始周期限制时间序列。 在通过同步信号设定同步换向开关之后，将ON周期限制单元复位到初始状态。 同步换向开关保持ON状态，直到周期限制时间序列结束为止，则ON周期限制单元产生强制结束信号，以使同步换向开关断开，使得回扫电路以最小占空比维持运行。

公开(公告)号：US20090268489A1

公开(公告)日：2009-10-29

申请号：US12110928

申请日：2008-04-28

Applicant: Kuo-Fan Lin ,  Chien-Li Tsui

Inventor： Kuo-Fan Lin ,  Chien-Li Tsui

IPC: H02H7/10

CPC classification number: H02M3/33507 ,  H02M1/34 ,  H02M2001/342 ,  Y02B70/1491

Abstract: A flyback converter having an active snubber includes a transformer to receive input power. The transformer has a primary winding at a first side. The active snubber is coupled in parallel with two ends of the primary winding and has a first circumferential circuit coupling in parallel with the primary winding, a second circumferential circuit and a zero voltage switch unit. The second circumferential circuit is controlled by the zero voltage switch unit and incorporated with the first circumferential circuit to form double damping paths to reduce current and prevent resonance that might otherwise occur to a single circumferential circuit and the secondary side of the transformer.

Abstract translation: 具有主动缓冲器的反激式转换器包括用于接收输入功率的变压器。 变压器在第一侧具有初级绕组。 有源缓冲器与初级绕组的两端并联耦合，并具有与初级绕组并联的第一圆周电路，第二圆周电路和零电压开关单元。 第二圆周电路由零电压开关单元控制并且与第一周向电路结合以形成双重阻尼路径，以减少电流并防止另外可能在变压器的单个周向电路和次级侧发生的共振。

公开(公告)号：US20090028273A1

公开(公告)日：2009-01-29

申请号：US11878886

申请日：2007-07-27

Applicant: Kuo-Fan Lin ,  Chien-Li Tsai

Inventor： Kuo-Fan Lin ,  Chien-Li Tsai

IPC: H04L27/00

CPC classification number: H04L25/4902

Abstract: The present invention discloses a variable-frequency circuit with a compensation mechanism, which comprises: a load sensing/decision unit, a frequency-division unit and a level modulation unit. The present invention applies to a power supply having a frequency-division mode. The power supply has a feedback unit generating a feedback signal. The load sensing/decision unit determines the operational mode according to the feedback signal. The frequency-division unit generates a reference frequency signal. The level modulation unit generates a reference level signal. During frequency variation, the level modulation unit generates a compensation current to modulate the reference level signal. Thereby, the PWM unit of the power supply can adjust the working cycle of the power supply according to the reference frequency signal, the reference level signal and the feedback signal.

Abstract translation: 本发明公开了一种具有补偿机制的可变频率电路，包括：负载感测/判定单元，分频单元和电平调制单元。 本发明适用于具有分频模式的电源。 电源具有产生反馈信号的反馈单元。 负载感测/判定单元根据反馈信号确定操作模式。 分频单元产生参考频率信号。 电平调制单元产生参考电平信号。 在频率变化期间，电平调制单元产生补偿电流以调制参考电平信号。 因此，电源的PWM单元可以根据参考频率信号，参考电平信号和反馈信号来调节电源的工作周期。

公开(公告)号：US07446637B1

公开(公告)日：2008-11-04

申请号：US11907933

申请日：2007-10-18

Applicant: Chi-Tsung Liang ,  Yu-Chun Chou ,  Chih-Hsien Liu

Inventor： Chi-Tsung Liang ,  Yu-Chun Chou ,  Chih-Hsien Liu

IPC: H01F27/06 ,  H01F27/30

CPC classification number: H01F27/06 ,  H01F27/027 ,  H01F27/266 ,  H01F2005/043 ,  H01F2027/065 ,  H01F2027/2819

Abstract: A parent-child leadframe type transformer includes a ferrite core module, a child leadframe and a parent leadframe. The parent leadframe has a first opening and a second opening on both ends. The length of the second opening is greater than the length of the first opening along the same axial direction. A containing space is defined between the first and second openings. The child leadframe has a coil winding slot and a through hole for installing the ferrite core module. The axial length of the child leadframe falls between the first and second openings, such that the child leadframe and the ferrite core module can be passed through the second opening, but limited by the first opening. The child leadframe, ferrite core module and parent leadframe are positioned to define a parent-child type transformer structure for reducing the overall height and complying with the safety regulation standards.

Abstract translation: 父子引线框式变压器包括铁氧体磁芯模块，子引线框架和母线架。 母引线框架在两端具有第一开口和第二开口。 第二开口的长度大于沿相同轴向方向的第一开口的长度。 容纳空间限定在第一和第二开口之间。 子引线框架具有线圈缠绕槽和用于安装铁氧体磁芯模块的通孔。 子引线框架的轴向长度落在第一和第二开口之间，使得子引线框架和铁氧体磁芯模块可以穿过第二开口，但是由第一开口限制。 子引线框架，铁氧体磁芯模块和母线引线框架定位为定义一个母子型变压器结构，用于降低整体高度并符合安全规范标准。

公开(公告)号：US07394035B1

公开(公告)日：2008-07-01

申请号：US11812335

申请日：2007-06-18

Applicant: Shao-Feng Lu

Inventor： Shao-Feng Lu

IPC: H01H9/00

CPC classification number: H01H9/287 ,  H01H2300/024

Abstract: An anti-switch on/off device mounted on a power supplier, which is used for driving an electronic equipment, is provided for preventing an erroneous touch on the switch of the power supplier to avoid the power supplier from instantly stopping supplying power. The power supplier includes an electric connecting slot and a power switch on/off unit. The power switch on/off unit has, mounted thereon, a press control button for being pressed by the user to control power on/off. The present invention utilizes an anti-error cover covered on the electric connecting slot and the power switch on/off unit, wherein the anti-error cover has an electric connecting opening mounted thereon for passing therethrough the connection with the external power source and an accommodating space for accommodating the press control button, so that an erroneous touch on the switch and an instant power disconnection can be prevented without interfering a normal power input.

Abstract translation: 提供安装在用于驱动电子设备的电源上的防开关开/关装置，用于防止电源开关上的错误触摸，以避免电源立即停止供电。 电源包括电连接插槽和电源开关开/关单元。 电源开关开/关单元上安装有按压控制按钮，以按压用户来控制电源的开/关。 本发明利用覆盖在电连接槽和电源开关开/关单元上的防误封盖，其中防误封盖具有安装在其上的电连​​接开口，用于穿过其与外部电源的连接，以及容纳 用于容纳按压控制按钮的空间，从而可以防止开关上的错误触摸和即时电源断开而不干扰正常的电力输入。

公开(公告)号：US20230336001A1

公开(公告)日：2023-10-19

申请号：US17984516

申请日：2022-11-10

Applicant: FSP TECHNOLOGY INC.

Inventor： Chien-Li TSAI ,  Chih-Fan LIN ,  Chih-Hsien HSIEH

IPC: H02J3/46 ,  H02J3/38

CPC classification number: H02J3/46 ,  H02J3/381 ,  H02M7/12

Abstract: A power supply system with current sharing includes a current sharing bus, a plurality of power supply units, and a plurality of controllers. The power supply units are connected to each other through the current sharing bus. Each power supply unit provides a current sharing signal value to the current sharing bus, and provides an output current to a load. Each controller receives current sharing signal values provided from other power supply units and current signal values corresponding to the output currents. When determining that the current signal value is less than a reference current sharing signal value, the controller increases an output voltage of the power supply unit to increase the output current. Otherwise, the controller decreases the output voltage to decrease the output current so that so that the output currents of the power supply units are shared to supply power to the load.

公开(公告)号：US20220294331A1

公开(公告)日：2022-09-15

申请号：US17580603

申请日：2022-01-20

Applicant: FSP TECHNOLOGY INC.

Inventor： Chang-Hsun Chiang ,  Yung-Hsiang Shih

IPC: H02M1/00 ,  H02M1/08 ,  G01K7/22 ,  G06F1/3296 ,  G06F1/3206

Abstract: A power supply and a power saving method thereof are provided. The power saving method includes: utilizing a monitoring circuit within the power supply to generate a monitoring signal according to operating loading of the power supply; and utilizing a control signal generating circuit within the power supply to generate a control signal according to the monitoring signal, to drive at least two switch transistors within a circuitry within the power supply, wherein the switch transistors are connected in parallel.

公开(公告)号：US11025156B2

公开(公告)日：2021-06-01

申请号：US16504312

申请日：2019-07-07

Applicant: FSP TECHNOLOGY INC.

Inventor： Yaw-Chien Huang ,  Chun-Hao Yu ,  Kuo-Chieh Chan

IPC: H02M1/32 ,  H02H9/02 ,  G01R15/04 ,  H02M1/00

Abstract: A power apparatus, a current detecting circuit and a current detecting method are provided. The power apparatus includes a power conversion circuit and the current detecting circuit. The power conversion circuit generates an output current. The current detecting circuit includes first and second current sensing resistors and a control circuit. The first current sensing resistor and the second current sensing resistor sense the output current to generate first and second sensing voltage, respectively. The control circuit receives the first sensing voltage and the second sensing voltage, and converts the first sensing voltage and the second sensing voltage respectively into a first current sensing value and a second current sensing value. The control circuit triggers a protection mechanism when the first current sensing value is greater than a first overcurrent protection value. In the case where the first current sensing value is not greater than the first overcurrent protection value, the control circuit triggers the protection mechanism if the second current sensing value is greater than a second overcurrent protection value. The first overcurrent protection value is greater than the second overcurrent protection value.

公开(公告)号：US20190297735A1

公开(公告)日：2019-09-26

申请号：US16294954

申请日：2019-03-07

Applicant: FSP TECHNOLOGY INC.

Inventor： Ting-Chuan Chu ,  Chia-Lung Le

IPC: H05K5/00 ,  H05K5/02

Abstract: The disclosure provides a power supply fixing structure suitable for connecting an elongated type power supply to a connection structure of a casing. The power supply fixing structure includes a connecting component and an interconnect structure formed at an outer casing of the elongated type power supply. The connecting component includes a first connecting part for connecting to a connection structure and a second connecting part for connecting to the interconnect structure.