公开(公告)号：US06388897B1

公开(公告)日：2002-05-14

申请号：US09865220

申请日：2001-05-25

申请人： Jianping Ying ,  Chau-Chun Wen ,  Hai Geng ,  Jianhong Zeng

发明人： Jianping Ying ,  Chau-Chun Wen ,  Hai Geng ,  Jianhong Zeng

IPC分类号： H02M3335

CPC分类号： H02M3/33576

摘要： A DC-to-DC converter and a method thereof is provided. The DC-to-DC converter includes a power supply for providing a first direct current, a first capacitor, a first switch assembly for converting the first direct current into a first alternating current, a transformer for converting the first alternating current to a second alternating current, a rectifying circuit for converting and rectifying the second alternating current to a second direct current, a filtering circuit, and a range winding assembly for adjusting the output voltage of the second direct current in response to the voltage drop of the first direct current.

摘要翻译： 提供DC-DC转换器及其方法。 DC-DC转换器包括用于提供第一直流电的电源，第一电容器，用于将第一直流转换成第一交流电的第一开关组件，用于将第一交流电转换为第二交流电的变压器 电流，用于将第二交流电转换和整流为第二直流电流的整流电路，滤波电路和范围绕组组件，用于响应于第一直流电压的下降来调节第二直流的输出电压。

公开(公告)号：US08767416B2

公开(公告)日：2014-07-01

申请号：US13208954

申请日：2011-08-12

申请人： Jianping Ying ,  Yiqing Ye ,  Chao Yan ,  Jianhong Zeng

发明人： Jianping Ying ,  Yiqing Ye ,  Chao Yan ,  Jianhong Zeng

IPC分类号： H02M3/335

CPC分类号： H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491

摘要： The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter and a hybrid control apparatus coupled to the resonant converter for generating a driving signal to adjust a phase angle and a frequency of the resonant converter such that the resonant converter would reach a relatively lower voltage gain and have a relatively lower loss during an abnormal operation.

摘要翻译： 提供了一种谐振转换器系统的结构及其控制方法。 所提出的谐振转换器系统包括谐振转换器和耦合到谐振转换器的混合控制装置，用于产生驱动信号以调节谐振转换器的相位角和频率，使得谐振转换器将达到相对较低的电压增益并具有 在异常操作期间相对较低的损失。

公开(公告)号：US20110267845A1

公开(公告)日：2011-11-03

申请号：US13090925

申请日：2011-04-20

申请人： Haoyi YE ,  Jianhong Zeng ,  Hongyang Wu ,  Chao Yan ,  Teng Liu ,  Jianping Ying

发明人： Haoyi YE ,  Jianhong Zeng ,  Hongyang Wu ,  Chao Yan ,  Teng Liu ,  Jianping Ying

IPC分类号： H02M3/335

CPC分类号： H02M3/33569 ,  H02M2001/0074 ,  Y02B70/1433 ,  Y02P80/112

摘要： The configurations of a parallel-connected resonant converter circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes a plurality of resonant converters, each of which has two input terminals and two output terminals, wherein all the two input terminals of the plurality of resonant converters are electrically series-connected, and all the two output terminals of the plurality of resonant converters are electrically parallel-connected.

摘要翻译： 在本发明中提供并联谐振变换器电路的结构及其控制方法。 所提出的电路包括多个谐振转换器，每个谐振转换器具有两个输入端子和两个输出端子，其中多个谐振转换器的所有两个输入端子电串联连接，并且多个谐振变换器的所有两个输出端子 谐振转换器电并联。

公开(公告)号：US08035253B2

公开(公告)日：2011-10-11

申请号：US12500868

申请日：2009-07-10

申请人： Haoyi Ye ,  Jianhong Zeng ,  Hongyang Wu ,  Chao Yan ,  Teng Liu ,  Jianping Ying

发明人： Haoyi Ye ,  Jianhong Zeng ,  Hongyang Wu ,  Chao Yan ,  Teng Liu ,  Jianping Ying

IPC分类号： H02J1/12

CPC分类号： H02M7/493 ,  H02M2001/007 ,  Y10T307/707

摘要： The method of controlling a multi-converter having N converters with series-connected inputs and parallel-connected outputs is provided in the present invention. The proposed controlling method includes steps of: causing each of the N converters to have an intermittent operating period, an intermittent operating time interval and an intermittent operating duty ratio equal to a value of the intermittent operating time interval divided by a value of the intermittent operating period; and causing the N converters to operate alternately with the intermittent operating period, wherein N is an integer larger than one.

摘要翻译： 在本发明中提供了具有串联连接输入和并联输出的N转换器的多转换器的控制方法。 所提出的控制方法包括以下步骤：使N个转换器中的每一个具有间歇运行周期，间歇运行时间间隔和等于间歇运行时间间隔的值的间歇运行占空比除以间歇运行的值 期; 并且使N个转换器与间歇操作周期交替工作，其中N是大于1的整数。

公开(公告)号：US07804193B2

公开(公告)日：2010-09-28

申请号：US11837646

申请日：2007-08-13

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

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

IPC分类号： H02J1/12

CPC分类号： H02J3/38 ,  H02J9/06 ,  Y10T307/32 ,  Y10T307/511

摘要： 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.

摘要翻译： 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：US07605570B2

公开(公告)日：2009-10-20

申请号：US11696561

申请日：2007-04-04

申请人： Teng Liu ,  Xiaoni Xin ,  Jianhong Zeng ,  Jianping Ying ,  Wei Zhao

发明人： Teng Liu ,  Xiaoni Xin ,  Jianhong Zeng ,  Jianping Ying ,  Wei Zhao

IPC分类号： H02M1/12 ,  H02M7/12

CPC分类号： H02M1/4208 ,  H02M1/4225 ,  Y02B70/126 ,  Y02P80/112

摘要： A bridgeless power factor correction converter that can reduce common-mode noise and enhance power density is made up of a boost inductor coupled to an input end, a bidirectional switch connected in series with the boost inductor, a first series rectifying circuit having a junction node connected between the boost inductor and the bi-directional switch, a second series rectifying circuit connected in parallel with the first series rectifying circuit and having a junction node coupled to the bi-directional switch, and an output capacitor connected in parallel with the second series rectifying circuit, in which the second series rectifying circuit is made up of slow-recovery diodes and the first series rectifying circuit is made up of fast-recovery diodes.

摘要翻译： 可以降低共模噪声和提高功率密度的无桥功率因数校正转换器由耦合到输入端的升压电感器，与升压电感器串联连接的双向开关组成，第一串联整流电路具有接点 连接在所述升压电感器和所述双向开关之间的第二串联整流电路，与所述第一串联整流电路并联连接并具有耦合到所述双向开关的接点，以及与所述第二串联并联连接的输出电容器 整流电路，其中第二串联整流电路由慢恢复二极管构成，第一串联整流电路由快速恢复二极管组成。

公开(公告)号：US20050036341A1

公开(公告)日：2005-02-17

申请号：US10916306

申请日：2004-08-11

申请人： Teng Liu ,  Xingkuan Guo ,  Jianping Ying ,  Jianhong Zeng

发明人： Teng Liu ,  Xingkuan Guo ,  Jianping Ying ,  Jianhong Zeng

IPC分类号： H02M3/335 ,  H02M7/5387

CPC分类号： H02M7/5387 ,  H02M3/33569

摘要： The power converters employing the provided methods and controllers are proposed. The controller includes: a signal preprocessor for generating a current signal according to a sensed current of the transformer, an integrator electrically connected to the signal preprocessor for integrating the current signal and offering an integrated signal, a synthesizer electrically connected to the integrator for receiving and synthesizing the integrated signal and a slope compensation signal to generate a synthesized signal, an operational amplifier of a control loop for generating an amplified error signal, and a PWM comparator electrically connected to the operational amplifier and the synthesizer for comparing the amplified error signal and the synthesized signal and generating a PWM signal to turn on and off a switch of the transformer accordingly.

公开(公告)号：US20110299302A1

公开(公告)日：2011-12-08

申请号：US13208954

申请日：2011-08-12

申请人： Jianping Ying ,  Yiqing Ye ,  Chao Yan ,  Jianhong Zeng

发明人： Jianping Ying ,  Yiqing Ye ,  Chao Yan ,  Jianhong Zeng

IPC分类号： H02M3/335

CPC分类号： H02M3/3376 ,  H02M2001/0058 ,  Y02B70/1433 ,  Y02B70/1491

摘要： The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter and a hybrid control apparatus coupled to the resonant converter for generating a driving signal to adjust a phase angle and a frequency of the resonant converter such that the resonant converter would reach a relatively lower voltage gain and have a relatively lower loss during an abnormal operation.

摘要翻译： 提供了一种谐振转换器系统的结构及其控制方法。 所提出的谐振转换器系统包括谐振转换器和耦合到谐振转换器的混合控制装置，用于产生驱动信号以调节谐振转换器的相位角和频率，使得谐振转换器将达到相对较低的电压增益并具有 在异常操作期间相对较低的损失。

公开(公告)号：US07813148B2

公开(公告)日：2010-10-12

申请号：US11834828

申请日：2007-08-07

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

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

IPC分类号： H02M3/335

CPC分类号： H02M3/3376 ,  H02M2007/4803

摘要： 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.

摘要翻译： 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：US07184287B2

公开(公告)日：2007-02-27

申请号：US10902356

申请日：2004-07-29

申请人： Jianping Ying ,  Teng Liu ,  Xingkuan Guo ,  Jianhong Zeng ,  Yue Fu

发明人： Jianping Ying ,  Teng Liu ,  Xingkuan Guo ,  Jianhong Zeng ,  Yue Fu

IPC分类号： H02M7/5387 ,  H02H7/125

CPC分类号： H02M1/34 ,  H02M3/33576 ,  H02M2001/342 ,  Y02B70/1491

摘要： An energy-feedback clamping circuit of a power converter is proposed. The converter includes a transformer coupled to a full-wave rectifier circuit. The clamping circuit includes: two clamping diodes having two anodes coupled to each other at a common-anode terminal and two cathodes coupled to two terminals of a secondary winding of the transformer, a first clamping capacitor having a first terminal coupled to a cathode of a first rectifying diode of the rectifier circuit and a second terminal coupled to the common-anode terminal, a second clamping capacitor having a first terminal coupled to a connecting node of the output filtering inductor and capacitor of the rectifier circuit and a second terminal coupled to the common-anode terminal, and a converter circuit having an input terminal coupled to the second clamping capacitor and an output terminal for offering a power source.

摘要翻译： 提出了一种功率转换器的能量反馈钳位电路。 该转换器包括耦合到全波整流电路的变压器。 钳位电路包括：两个钳位二极管，其具有在共阳极端子处彼此耦合的两个阳极和耦合到变压器的次级绕组的两个端子的两个阴极;第一钳位电容器，具有耦合到 整流电路的第一整流二极管和耦合到共阳极端子的第二端子，第二钳位电容器，其具有耦合到输出滤波电感器和整流器电路的电容器的连接节点的第一端子，以及耦合到整流电路的第二端子 公共阳极端子和具有耦合到第二钳位电容器的输入端子的转换器电路和用于提供电源的输出端子。