公开(公告)号：US20120098452A1

公开(公告)日：2012-04-26

申请号：US13168437

申请日：2011-06-24

Applicant: Qi Zhang ,  Weiqiang Zhang ,  Jianping Ying

Inventor： Qi Zhang ,  Weiqiang Zhang ,  Jianping Ying

IPC: H05B41/36

CPC classification number: H05B41/042

Abstract: A method of controlling an ignition circuit to output an excitation voltage is disclosed. The ignition circuit is used to excite a discharge lamp and includes a transformer and a switch element which is connected to a primary winding of the transformer. The method of controlling the ignition circuit comprises steps of: (a) receiving a control signal which is set in accordance with a waveform characteristic of a predetermined excitation voltage to control an impedance of the switch element; (b) controlling a primary current in the primary winding or a primary voltage across the primary winding of the transformer by controlling the impedance of the switch element; and (c) generating the excitation voltage by the secondary winding of the transformer in accordance with the primary current or the primary voltage so as to excite the discharge lamp.

Abstract translation: 公开了一种控制点火电​​路输出激励电压的方法。 点火电路用于激发放电灯，并包括变压器和与变压器的初级绕组连接的开关元件。 控制点火电​​路的方法包括以下步骤：（a）接收根据预定激励电压的波形特性设定的控制信号，以控制开关元件的阻抗; （b）通过控制开关元件的阻抗来控制初级绕组中的初级电流或变压器的初级绕组两端的初级电压; 和（c）根据初级电流或初级电压通过变压器的次级绕组产生激励电压，以激励放电灯。

公开(公告)号：US08031489B2

公开(公告)日：2011-10-04

申请号：US12412979

申请日：2009-03-27

Applicant: Bin Wang ,  Hongyang Wu ,  Jianping Ying ,  Xiaoni Xin ,  Qikun Wu

Inventor： Bin Wang ,  Hongyang Wu ,  Jianping Ying ,  Xiaoni Xin ,  Qikun Wu

IPC: H02M3/335

CPC classification number: H02M3/33592 ,  H02M3/3378 ,  Y02B70/1433 ,  Y02B70/1475

Abstract: The configuration of a synchronous rectification circuit and a controlling method thereof are provided. The proposed circuit includes a converter including a first switch and a first synchronous rectifier, and a burst mode controller including a logic process module performing one of functions of delaying one of a non-integer and at least one operating periods to generate a synchronous rectification driving signal of the first synchronous rectifier counting from a beginning of a first pulse of a driving signal of the first switch during a working time of a burst period, and turning off the synchronous rectification driving signal of the first synchronous rectifier by one of the non-integer operating period and the at least one operating period ahead of an ending of a last operating period of the driving signal of the first switch during the working time of the burst period.

Abstract translation: 提供同步整流电路的结构及其控制方法。 所提出的电路包括包括第一开关和第一同步整流器的转换器，以及突发模式控制器，其包括执行延迟非整数和至少一个操作周期之一的功能之一的逻辑处理模块，以产生同步整流驱动 所述第一同步整流器在突发周期的工作时间期间从所述第一开关的驱动信号的第一脉冲的开始开始计数所述第一同步整流器的信号，并且通过所述非易失性存储器中的一个关闭所述第一同步整流器的同步整流驱动信号， 整数运行周期和在突发周期的工作时间期间第一开关的驱动信号的最后操作周期的结束之前的至少一个操作周期。

公开(公告)号：US07898377B2

公开(公告)日：2011-03-01

申请号：US12761887

申请日：2010-04-16

Applicant: Lin Sicong ,  Zhou Min ,  He Jun Ping ,  Wei Chen ,  Jianping Ying

Inventor： Lin Sicong ,  Zhou Min ,  He Jun Ping ,  Wei Chen ,  Jianping Ying

IPC: H01F27/28

CPC classification number: H02M1/12 ,  H01F21/10 ,  H01F27/34 ,  H01F27/362 ,  H02M1/44 ,  H02M2001/123 ,  H03H2001/0092

Abstract: The present invention discloses a switching power converter with low common mode noise. The switching power converter comprises at least a switch with at least a terminal wherein said switch turning on and off alternatively which generates a plurality of noise voltages, and the noise voltage having a jump point and a static point wherein the jump point is one of said inductive component terminals, the capacitive component terminals and the second and third terminal of the switch; and an additional impedance connected between the static point and the jump point of different noise voltage to neutralize common noise current. In addition, another switching power converter having primary side and secondary side can be used to reduce the common mode noise by adding some additional impedance between the static points and jump points of the primary side and secondary side.

Abstract translation: 本发明公开了一种低共模噪声的开关电源转换器。 开关功率转换器至少包括具有至少一个端子的开关，其中所述开关交替地导通和关断，其产生多个噪声电压，并且噪声电压具有跳变点和静态点，其中跳转点是所述 感应元件端子，电容元件端子和开关的第二和第三端子; 并且连接在不同噪声电压的静态点和跳转点之间的附加阻抗以中和公共噪声电流。 此外，具有初级侧和次级侧的另一个开关电源转换器可以用于通过在初级侧和次级侧的静态点和跳跃点之间增加一些附加阻抗来降低共模噪声。

公开(公告)号：US07884496B2

公开(公告)日：2011-02-08

申请号：US12147797

申请日：2008-06-27

Applicant: Fei Li ,  Hongjian Gan ,  Jianping Ying

Inventor： Fei Li ,  Hongjian Gan ,  Jianping Ying

IPC: H02J3/14

CPC classification number: H02M3/285 ,  H02M3/33561 ,  Y10T307/297 ,  Y10T307/406

Abstract: The configurations of a switched-mode power supply and a controlling method thereof are provided. The proposed switched-mode power supply includes a first output converter receiving a DC input voltage and generating a first high power DC voltage output and at least one low power DC voltage output, and a second output converter receiving the DC input voltage and generating a second high power DC voltage output coupled to the first high power DC voltage output to generate a coupled output, wherein the first output converter works and the second output converter idles when a transient power of the coupled output is not larger than a rated output power of the first high power DC voltage output, and both the first and the second output converters work when the transient power is larger than the rated output power.

Abstract translation: 提供了开关电源的配置及其控制方法。 所提出的开关电源包括接收DC输入电压并产生第一高功率DC电压输出的第一输出转换器和至少一个低功率DC电压输出，以及接收DC输入电压的第二输出转换器，并产生第二 高功率直流电压输出耦合到第一高功率直流电压输出以产生耦合输出，其中第一输出转换器工作，而第二输出转换器在耦合输出的瞬态功率不大于 第一高功率直流电压输出，当瞬态功率大于额定输出功率时，第一和第二输出转换器都工作。

公开(公告)号：US07868570B2

公开(公告)日：2011-01-11

申请号：US11950131

申请日：2007-12-04

Applicant: Jian Ni ,  Lijian Wu ,  Wanbing Jin ,  Jianping Ying ,  Shih-Ming Huang ,  Wen-Shi Huang

Inventor： Jian Ni ,  Lijian Wu ,  Wanbing Jin ,  Jianping Ying ,  Shih-Ming Huang ,  Wen-Shi Huang

IPC: H02P6/00 ,  H02P6/14

CPC classification number: H02P6/15

Abstract: A controller of a brushless DC electric machine having a rotor and at least a stator winding powered by a driving voltage is provided. The controller includes a position sensor, an advance angle control circuit, and a driving circuit. The position sensor is moved along a reverse rotating direction of the rotor by a prepositioned angle for outputting a position signal. The advance angle control circuit receives the position signal and a driving voltage reproduction signal reproduced from the driving voltage and outputs a commutation control signal lagging the position signal by a first delay time. The driving circuit receives the commutation control signal for outputting a driving signal for controlling a commutation of the brushless DC electric machine.

Abstract translation: 提供一种具有转子和至少由驱动电压驱动的定子绕组的无刷直流电机的控制器。 控制器包括位置传感器，提前角控制电路和驱动电路。 位置传感器沿转子的反向旋转方向移动一预定角度，用于输出位置信号。 提前角控制电路接收从驱动电压再现的位置信号和驱动电压再现信号，并输出滞后于位置信号第一延迟时间的换向控制信号。 驱动电路接收用于输出用于控制无刷直流电机的换向的驱动信号的换向控制信号。

公开(公告)号：US07495935B2

公开(公告)日：2009-02-24

申请号：US11439752

申请日：2006-05-24

Applicant: Lin Chen ,  Zhiqiang Jiang ,  Jianping Ying

Inventor： Lin Chen ,  Zhiqiang Jiang ,  Jianping Ying

IPC: H02M3/335

CPC classification number: H02M7/4807

Abstract: The proposed DC/AC power converter for transforming a DC input source to an AC output source includes a transformer having a primary and a secondary windings, a switch network having a first switch electrically connected between the DC input source and the primary winding, a two-way current-transmitting module electrically connected between the secondary winding and the AC output source and a controllable conducting circuit electrically connected to the secondary winding. In which, the controllable conducting circuit is conducting when the two-way current-transmitting module transmits an electrical energy from the primary winding to the secondary winding and a current flowing through the primary winding is decreasing so as to lower down a voltage stress of the first switch of the switch network.

Abstract translation: 所提出的用于将DC输入源变换为AC输出源的DC / AC功率转换器包括具有初级和次级绕组的变压器，具有电连接在DC输入源和初级绕组之间的第一开关的开关网络， 电连接在次级绕组和AC输出源之间的电流传输模块以及电连接到次级绕组的可控导电电路。 其中，当双向电流传输模块将电能从初级绕组传递到次级绕组时，可控制的导通电路导通，并且流经初级绕组的电流减小，以便降低电压应力 交换机网络的第一个交换机。

公开(公告)号：US07495934B2

公开(公告)日：2009-02-24

申请号：US11470090

申请日：2006-09-05

Applicant: Lifeng Chen ,  Teng Liu ,  Hongjian Gan ,  Jianping Ying

Inventor： Lifeng Chen ,  Teng Liu ,  Hongjian Gan ,  Jianping Ying

IPC: H02M3/335

CPC classification number: H02M3/33592 ,  Y02B70/1475

Abstract: The adaptive synchronous rectification control circuit and its controlling method for a power converter are provided. The proposed control circuit having a transformer with a primary and a secondary sides, a switch coupled to the primary side and a synchronous rectification transistor (SRT) coupled to the secondary side and having a parasitic diode includes a preprocessor receiving a source-drain voltage of the SRT and outputting a first signal, and a control set receiving the first signal, a pre-determined voltage and a pulse signal synchronized to the switch and generating a second signal synchronized to the switch for controlling the SRT, in which a selection of the pre-determined voltage makes the source-drain voltage of the SRT ranged from 0 to a conducting voltage of the parasitic diode of the SRT.

Abstract translation: 提供了自适应同步整流控制电路及其电源转换器的控制方法。 所提出的控制电路具有具有初级侧和次级侧的变压器，耦合到初级侧的开关和耦合到次级侧并具有寄生二极管的同步整流晶体管（SRT），包括预处理器，其接收源极 - 漏极电压 SRT并且输出第一信号，以及接收第一信号的控制集，与开关同步的预定电压和脉冲信号，并产生与开关同步的第二信号以控制SRT，其中选择 预定电压使SRT的源极 - 漏极电压范围为0到SRT的寄生二极管的导通电压。

公开(公告)号：US20080238196A1

公开(公告)日：2008-10-02

申请号：US11837646

申请日：2007-08-13

Applicant: Chao Yan ,  Chongfeng Zheng ,  Zhiqiang Zhan ,  Jianhong Zeng ,  Jianping Ying

Inventor： Chao Yan ,  Chongfeng Zheng ,  Zhiqiang Zhan ,  Jianhong Zeng ,  Jianping Ying

IPC: H02J3/46 ,  H02M5/40

CPC classification number: H02J3/38 ,  H02J9/06 ,  Y10T307/32 ,  Y10T307/511

Abstract: An energy recycle system for use with an AC current power supply, for example, an electronic ballast, is presented. The energy recycle system includes an energy recycle load connected to an output terminal of the AC current power supply, in which the energy recycle load includes a rectifier for rectifying the output AC current of the AC current power supply into a rectified DC current and a filter connected to the rectifier for removing the high-frequency harmonics from the rectified DC current. Also, the energy recycle system further includes a DC-AC converter connected to the energy recycle load for receiving the DC current outputted from the energy recycle load, which is in turn delivered to the utility grid to achieve energy recycling.

Abstract translation: 提出了一种与AC电流电源（例如电子镇流器）一起使用的能量循环系统。 能量循环系统包括连接到AC电流电源的输出端的能量循环负载，其中能量再循环负载包括用于将AC电流电源的输出AC电流整流为整流DC电流的整流器和滤波器 连接到整流器，以从整流的直流电流中去除高频谐波。 此外，能量再循环系统还包括连接到能量循环负载的DC-AC转换器，用于接收从能量再循环负载输出的直流电流，该能量循环负载又被输送到公用电网以实现能量循环。

公开(公告)号：US20080198631A1

公开(公告)日：2008-08-21

申请号：US11834828

申请日：2007-08-07

Applicant: Jianhong Zeng ,  Yuanyuan Zhang ,  Aibin Qiu ,  Kun Wei ,  Jianping Ying

Inventor： Jianhong Zeng ,  Yuanyuan Zhang ,  Aibin Qiu ,  Kun Wei ,  Jianping Ying

IPC: H02M3/335 ,  G05F3/06

CPC classification number: H02M3/3376 ,  H02M2007/4803

Abstract: Provided is a flux regulation method for use in a power converter, wherein the method is carried out by a flux bias controller. The flux bias controller includes a current detector which is configured to detect the primary current of the transformer of the power converter in a predetermined switching cycle, a DC bias processor which is configured to obtain the duty ratio control signal according to the sampled primary current outputted from the current detector for a switching cycle later than the predetermined switching cycle, and a PWM controller which is configured to generate driving signals to control the on/off operations of the switching circuit of the power converter according to the duty ratio control signal, thereby suppressing the DC bias of the transformer by regulating the duty ratio of the switch circuit.

Abstract translation: 提供了一种用于功率转换器的磁通调节方法，其中该方法由磁通偏压控制器执行。 通量偏置控制器包括电流检测器，其被配置为在预定的开关周期内检测功率转换器的变压器的初级电流; DC偏置处理器，被配置为根据所输出的采样的一次电流获得占空比控制信号 从电流检测器开始比预定开关周期晚的开关周期，以及PWM控制器，其被配置为产生驱动信号，以根据占空比控制信号来控制功率转换器的开关电路的接通/断开操作，由此 通过调节开关电路的占空比来抑制变压器的直流偏压。

公开(公告)号：US20070152795A1

公开(公告)日：2007-07-05

申请号：US11443206

申请日：2006-05-31

Applicant: Jian Zeng ,  Teng Liu ,  Jianping Ying ,  Fan Li ,  Aiming Xiong ,  Ziying Zhou ,  Haoyi Ye ,  Xiaoni Xin

Inventor： Jian Zeng ,  Teng Liu ,  Jianping Ying ,  Fan Li ,  Aiming Xiong ,  Ziying Zhou ,  Haoyi Ye ,  Xiaoni Xin

IPC: H01F27/24

CPC classification number: H01F27/2804 ,  H01F17/0013 ,  H01F2027/2819 ,  H05K1/165

Abstract: The present invention discloses a transformer structure. The transformer structure comprises a first primary winding, and a first secondary circuits. The first secondary circuits comprises a filtering capacitor, a conductive Cu windings and a rectifier configured onto the printed circuit board (PCB) forming the first secondary circuits PCB winding. The first primary winding and the secondary circuits are interleaved with each other.

Abstract translation: 本发明公开了一种变压器结构。 变压器结构包括第一初级绕组和第一次级电路。 第一次级电路包括滤波电容器，导电Cu绕组和布置在形成第一次级电路PCB绕组的印刷电路板（PCB）上的整流器。 第一初级绕组和次级电路彼此交错。