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1. 发明授权

US09923476B2 Switching power supply and method for controlling switching power supply 有权
公开(公告)号：US09923476B2
公开(公告)日：2018-03-20
申请号：US15313974
申请日：2014-09-09
申请人： ZTE CORPORATION
发明人： Linguo Wang
IPC分类号： H02M3/335
CPC分类号： H02M3/33592 , H02M3/1582 , H02M3/33523 , H02M3/33576 , H02M3/33584 , H02M3/3374 , H02M2001/007
摘要： A switching power supply and a method for controlling the switching power supply, the switching power supply includes: an input power supply, a front-stage circuit which includes a first inductor and at least two switch devices, and a post-stage isolated circuit which includes a primary-side switch circuit, a transformer and a secondary-side rectification circuit. One end of the first switch device is connected to a positive electrode of the input power supply, one end of the second switch device and an input-end of the first inductor are jointly connected to another end of the first switch device, another end of the second switch device is connected to a negative electrode of the input power supply, an output-end of the first inductor is connected to the primary-side switch circuit of post-stage isolated circuit, and another end of the primary-side switch circuit is connected to another end of the second switch device.

2. 发明授权

US09379618B2 Power device for delivering power to electronic devices and methods of assembling same 有权
标题翻译：用于向电子设备供电的电力设备及其组装方法
公开(公告)号：US09379618B2
公开(公告)日：2016-06-28
申请号：US14487639
申请日：2014-09-16
申请人： Advanced Charging Technologies, LLC
发明人： Michael H. Freeman , W. J. “Jim” Weaver, Jr. , Mitchael C. Freeman , Robert Dieter , Brian Santee
IPC分类号： H02M3/335 , H02M1/10 , H02M3/07 , H02M3/158 , H02M3/337 , H02M7/217 , H01R31/06
CPC分类号： H02M3/33507 , H01R31/065 , H02M1/08 , H02M1/10 , H02M1/36 , H02M3/07 , H02M3/158 , H02M3/335 , H02M3/33592 , H02M3/337 , H02M3/3374 , H02M7/217 , H02M2001/0009 , H02M2001/0032 , Y02B70/1475 , Y10T29/41
摘要： An energy efficient apparatus includes a switching device, a frequency dependent reactive device, and a control element is provided. The switching device is coupled to a source of electrical power and includes a pair of transistors and is adapted to receive a control signal and to produce an alternating current power signal. The frequency of the alternating current power signal is responsive to the control signal. The frequency dependent reactive device is electrically coupled to the pair of transistors for receiving the alternating current power signal and producing an output power signal. The frequency dependent reactive device is chosen to achieve a desired voltage of the output power signal relative to the frequency of the alternating current power signal. The control element senses an actual voltage of the direct current power signal and modifies the control signal delivered to achieve the desired voltage of the direct current power signal.
摘要翻译：一种节能装置包括开关装置，频率相关的无功装置和控制元件。开关器件耦合到电源并且包括一对晶体管，并且适于接收控制信号并产生交流电力信号。交流电源信号的频率响应控制信号。频率依赖的无功装置电耦合到一对晶体管，用于接收交流电力信号并产生输出功率信号。选择频率相关无功装置以相对于交流电源信号的频率实现输出功率信号的期望电压。控制元件感测直流电力信号的实际电压，并且修改传递的控制信号以实现直流电力信号的期望电压。

3. 发明申请

US20150155789A1 POWER DEVICE 有权
标题翻译：电源设备
公开(公告)号：US20150155789A1
公开(公告)日：2015-06-04
申请号：US14487639
申请日：2014-09-16
申请人： Advanced Charging Technologies, LLC
发明人： Michael H. Freeman , W.J. "Jim" Weaver, JR. , Mitchael C. Freeman , Robert Dieter , Brian Santee
IPC分类号： H02M3/335
CPC分类号： H02M3/33507 , H01R31/065 , H02M1/08 , H02M1/10 , H02M1/36 , H02M3/07 , H02M3/158 , H02M3/335 , H02M3/33592 , H02M3/337 , H02M3/3374 , H02M7/217 , H02M2001/0009 , H02M2001/0032 , Y02B70/1475 , Y10T29/41
摘要： An energy efficient apparatus includes a switching device, a frequency dependent reactive device, and a control element is provided. The switching device is coupled to a source of electrical power and includes a pair of transistors and is adapted to receive a control signal and to produce an alternating current power signal. The frequency of the alternating current power signal is responsive to the control signal. The frequency dependent reactive device is electrically coupled to the pair of transistors for receiving the alternating current power signal and producing an output power signal. The frequency dependent reactive device is chosen to achieve a desired voltage of the output power signal relative to the frequency of the alternating current power signal. The control element senses an actual voltage of the direct current power signal and modifies the control signal delivered to achieve the desired voltage of the direct current power signal.
摘要翻译：一种节能装置包括开关装置，频率相关的无功装置和控制元件。开关器件耦合到电源并且包括一对晶体管，并且适于接收控制信号并产生交流电力信号。交流电源信号的频率响应控制信号。频率依赖的无功装置电耦合到一对晶体管，用于接收交流电力信号并产生输出功率信号。选择频率相关无功装置以相对于交流电源信号的频率实现输出功率信号的期望电压。控制元件感测直流电力信号的实际电压，并且修改传递的控制信号以实现直流电力信号的期望电压。

4. 发明授权

US08970067B2 Hybrid DC/DC converters and methods 有权
标题翻译：混合DC / DC转换器和方法
公开(公告)号：US08970067B2
公开(公告)日：2015-03-03
申请号：US13307946
申请日：2011-11-30
申请人： Dianbo Fu , Hengchun Mao , Bing Cai
发明人： Dianbo Fu , Hengchun Mao , Bing Cai
IPC分类号： H02J1/00 , H02M3/335
CPC分类号： H02J1/00 , H02M3/158 , H02M3/335 , H02M3/33592 , H02M3/3374 , H02M3/3384 , Y02B70/1475 , Y10T307/707
摘要： An embodiment hybrid dc/dc converter comprises a first power source and a low power converter coupled to the first power source. The low power converter generates an output connected in series with the first power source. The hybrid dc/dc converter further comprises a selection network coupled to the first power source and the output of the low power converter and a main unregulated power converter coupled to the selection network. By controlling the voltage across the output of the low power converter, the hybrid dc/dc converter can achieve high efficiency through the unregulated power converter.
摘要翻译：实施例的混合DC / DC转换器包括耦合到第一电源的第一电源和低功率转换器。低功率转换器产生与第一电源串联连接的输出。混合式DC / DC转换器还包括耦合到第一电源的选择网络和低功率转换器的输出以及耦合到选择网络的主不调节功率转换器。通过控制低功率转换器输出端的电压，混合直流/直流转换器可以通过未调节的功率转换器实现高效率。

5. 再颁专利

USRE41965E1 Bi-directional multi-port inverter with high frequency link transformer 有权
标题翻译：具有高频链路变压器的双向多端口逆变器
公开(公告)号：USRE41965E1
公开(公告)日：2010-11-30
申请号：US12205743
申请日：2008-09-05
申请人： Richard T. West
发明人： Richard T. West
IPC分类号： H02J1/00
CPC分类号： H02M7/4807 , H02J3/387 , H02J7/35 , H02J2001/004 , H02J2009/067 , H02M1/10 , H02M3/3374 , Y02B10/72 , Y02B90/14 , Y10T307/50 , Y10T307/615 , Y10T307/625 , Y10T307/658 , Y10T307/707
摘要： This invention is a multi-port power converter where all ports are coupled through different windings of a high frequency transformer. Two or more, and typically all, ports have synchronized switching elements to allow the use of a high frequency transformer. This concept and type of converter is known. This invention mitigates a number of limitations in the present art and adds new capabilities that will allow applications to be served that would otherwise not have been practical. A novel circuit topology for a four-quadrant AC port is disclosed. A novel circuit topology for a unidirectional DC port with voltage boost capabilities is disclosed. A novel circuit topology for a unidirectional DC port with voltage buck capabilities is disclosed. A novel circuit for a high efficiency, high frequency, bi-directional, AC semiconductor switch is also disclosed.
摘要翻译：本发明是一种多端口功率转换器，其中所有端口通过高频变压器的不同绕组耦合。两个或更多个通常所有端口具有同步的开关元件以允许使用高频变压器。这种转换器的概念和类型是已知的。本发明减轻了本技术中的许多限制，并增加了将允许应用程序被服务的新功能，否则这些应用将不实用。公开了一种用于四象限AC端口的新型电路拓扑。公开了一种具有升压能力的单向DC端口的新型电路拓扑。公开了一种具有电压降压能力的单向DC端口的新型电路拓扑。还公开了一种用于高效率，高频率，双向AC交流半导体开关的新型电路。

6. 发明授权

US07558083B2 High efficiency power converter 有权
公开(公告)号：US07558083B2
公开(公告)日：2009-07-07
申请号：US11900207
申请日：2007-09-10
申请人： Martin F. Schlecht
发明人： Martin F. Schlecht
IPC分类号： H02M3/335 , G05F1/577
CPC分类号： H02M3/33546 , H02M3/335 , H02M3/33553 , H02M3/33592 , H02M3/3372 , H02M3/3374 , H02M2001/007 , Y02B70/1475 , Y10T307/406
摘要： A power converter nearly losslessly delivers energy and recovers energy from capacitors associated with controlled rectifiers in a secondary winding circuit, each controlled rectifier having a parallel uncontrolled rectifier. First and second primary switches in series with first and second primary windings, respectively, are turned on for a fixed duty cycle, each for approximately one half of the switching cycle. Switched transition times are short relative to the on-state and off-state times of the controlled rectifiers. The control inputs to the controlled rectifiers are cross-coupled from opposite secondary transformer windings.

7. 发明授权

US07489526B2 Power and information signal transfer using micro-transformers 有权
公开(公告)号：US07489526B2
公开(公告)日：2009-02-10
申请号：US10922504
申请日：2004-08-20
申请人： Baoxing Chen , Ronn Kliger
发明人： Baoxing Chen , Ronn Kliger
IPC分类号： H02M3/335 , H02M7/516
CPC分类号： H02M3/3374 , H01F17/0013 , H01F2019/085 , H02M3/33523
摘要： A power converter provides power across an isolation barrier, such as through the use of coils. A coil driver has transistors connected in a positive feedback configuration and is coupled to a supply voltage in a controlled manner by measuring the output power and opening or closing a switch as needed between the power supply and the coil driver. An output circuit, such as a FET driver, can be used with or without isolation to provide power and a logic signal.

8. 发明授权

US06466457B1 Two switch wide range converter 有权
标题翻译：两个开关宽范围转换器
公开(公告)号：US06466457B1
公开(公告)日：2002-10-15
申请号：US10038432
申请日：2002-01-04
申请人： Steven L. Wiseman
发明人： Steven L. Wiseman
IPC分类号： H02M3335
CPC分类号： H02M3/3374
摘要： The present invention provides a power converter and a method for converting power. The power converter comprises an inductor, a transformer, first and second switches, a diode, and a full bridge. The inductor comprises a first winding, a second winding, and a third winding, and is coupled to an input voltage. The transformer has a first primary winding coupled to the first winding of the inductor, a second primary winding coupled to the second winding of the inductor, and a third primary winding coupled to the third winding of the inductor. The first switch is coupled to the first primary winding of the transformer, and the second switch is coupled to the second primary winding of the transformer. The diode is coupled to the third primary winding of the transformer. The full bridge is coupled to a secondary winding of the transformer, and the output voltage emanates therefrom.
摘要翻译：本发明提供了一种功率转换器和用于转换功率的方法。功率转换器包括电感器，变压器，第一和第二开关，二极管和全桥。电感器包括第一绕组，第二绕组和第三绕组，并且耦合到输入电压。变压器具有耦合到电感器的第一绕组的第一初级绕组，耦合到电感器的第二绕组的第二初级绕组和耦合到电感器的第三绕组的第三初级绕组。第一开关耦合到变压器的第一初级绕组，并且第二开关耦合到变压器的第二初级绕组。二极管耦合到变压器的第三个初级绕组。全桥耦合到变压器的次级绕组，并且从其发出输出电压。

9. 发明申请

US20020060893A1 LCD backlight inverter 失效
标题翻译： LCD背光逆变器
公开(公告)号：US20020060893A1
公开(公告)日：2002-05-23
申请号：US09849285
申请日：2001-05-04
申请人： SAMSUNG ELECTRO-MECHANICS CO., LTD.
发明人： Byoung Own Min
IPC分类号： H02H003/20
CPC分类号： H02H3/202 , H02M3/3374 , H05B41/2855 , Y02B20/186
摘要： It is disclosed about a LCD backlight inverter for controlling the overvoltage with a stable output in respect to the fluctuation of an input voltage and preventing an effect to a feedback controlling block in opening a lamp used as a backlight. An overvoltage protection circuit of the LCD backlight inverter comprises a first comparing block for comparing the dimension of a feedback signal with the dimension of a first reference voltage, wherein the feedback signal detects the dimension of the voltage according to on/off status of the backlight lamp in the rear end; a second comparing block for comparing the dimension of the voltage divided in the overvoltage protection circuit with the dimension of a second reference voltage; and a switching controlling block for receiving output signals from the first and second comparing blocks and controlling on/off status of the buck switch according to corresponding comparison signals. The output voltage can be constantly controlled at any time according to the change of the input voltage by using means for controlling the overvoltage in opening the lamp, and also an effect about an abnormal noise of the feedback signal can be minimized in the normally operating status.
摘要翻译：公开了关于用于相对于输入电压的波动来稳定输出来控制过电压的LCD背光逆变器，并且防止在打开用作背光源的灯时对反馈控制块的影响。 LCD背光逆变器的过电压保护电路包括用于将反馈信号的尺寸与第一参考电压的尺寸进行比较的第一比较块，其中反馈信号根据背光的开/关状态检测电压的尺寸灯头在后端; 第二比较块，用于将过压保护电路中分压的电压的尺寸与第二参考电压的尺寸进行比较; 以及切换控制块，用于接收来自第一和第二比较块的输出信号，并根据对应的比较信号控制降压开关的开/关状态。通过使用用于控制打开灯的过电压的装置，根据输入电压的变化可以随时控制输出电压，并且在正常工作状态下可以使反馈信号的异常噪声的影响最小化。

10. 发明授权

US5600547A Inverter circuit utilizing a frequency synchronization device 失效
标题翻译：逆变电路采用频率同步装置
公开(公告)号：US5600547A
公开(公告)日：1997-02-04
申请号：US575192
申请日：1995-12-20
申请人： Joon H. Kim
发明人： Joon H. Kim
IPC分类号： H02M3/337 , H02M3/335 , H02M7/00
CPC分类号： H02M3/3374
摘要： An inverter circuit that can provide a stable AC power supply by synchronizing the switching operations of a DC-to-DC converter and a DC-to-AC converter which constitute the inverter circuit with each other.The inverter circuit includes an error amplifier for comparing a feedback control voltage from the DC-to-AC converter with a reference voltage and amplifying the resultant voltage of comparison, a frequency synchronizing section for providing a sawtooth voltage synchronized with the frequency of a ripple voltage occurring at an output terminal of the DC-to-DC converter due to the switching operation of the DC-to-AC converter, and a comparator for comparing the sawtooth voltage with the output voltage of the error amplifier, and providing a switching control signal to the DC-to-DC converter as result of comparison.
摘要翻译：一种逆变器电路，其可以通过使构成逆变器电路的DC-DC转换器和DC-AC转换器的切换操作彼此同步来提供稳定的AC电源。逆变器电路包括用于将来自DC-AC转换器的反馈控制电压与参考电压进行比较并放大所得到的比较电压的误差放大器，用于提供与纹波电压的频率同步的锯齿波电压的频率同步部分由于DC-AC转换器的开关动作而在DC-DC转换器的输出端子处产生，并且比较器将锯齿波电压与误差放大器的输出电压进行比较，并提供开关控制信号作为比较结果的DC-DC转换器。

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