LAMP BALLAST HAVING FILAMENT HEATING APPARATUS FOR GAS DISCHARGE LAMP
    61.
    发明申请
    LAMP BALLAST HAVING FILAMENT HEATING APPARATUS FOR GAS DISCHARGE LAMP 有权
    具有气体放电灯的灯泡加热装置的灯管

    公开(公告)号:US20120313527A1

    公开(公告)日:2012-12-13

    申请号:US13242170

    申请日:2011-09-23

    CPC classification number: H05B41/295

    Abstract: Provided is a lamp ballast having a filament heating apparatus for gas discharge lamp, including a PFC converter for receiving an AC input voltage and converting the AC input voltage into a DC bus voltage; an inverter connected to an output end of the PFC converter for converting the DC bus voltage into an AC output voltage for driving gas discharge lamps; and a filament heating apparatus connected to the output end of the PFC converter. The filament heating apparatus includes an auxiliary heating circuit for converting the DC bus voltage into a heating power for pre-heating the filaments of the gas discharge lamps; and a control circuit connected to the inverter and the auxiliary heating circuit for generating an auxiliary voltage according to the heating power to activate the PFC converter. After the auxiliary heating circuit has been operating for a predetermined period of time, the auxiliary heating circuit is turned off first and then the inverter is turned on; or otherwise the inverter is turned on first and then the auxiliary heating circuit is turned off.

    Abstract translation: 提供一种具有用于气体放电灯的灯丝加热装置的灯镇流器,包括用于接收AC输入电压并将AC输入电压转换成DC总线电压的PFC转换器; 连接到PFC转换器的输出端的逆变器,用于将DC总线电压转换成用于驱动气体放电灯的AC输出电压; 以及连接到PFC转换器的输出端的灯丝加热装置。 灯丝加热装置包括辅助加热电路,用于将直流母线电压转换成用于对气体放电灯的细丝进行预热的加热功率; 以及连接到逆变器和辅助加热电路的控制电路,用于根据加热功率产生辅助电压以激活PFC转换器。 在辅助加热电路已经运行预定时间段之后,首先关闭辅助加热电路,然后使逆变器接通; 否则逆变器首先接通,然后辅助加热电路关闭。

    LAYOUTS OF MULTIPLE TRANSFORMERS AND MULTIPLE RECTIFIERS OF INTERLEAVING CONVERTER
    62.
    发明申请
    LAYOUTS OF MULTIPLE TRANSFORMERS AND MULTIPLE RECTIFIERS OF INTERLEAVING CONVERTER 有权
    多变压器和交流转换器的多个整流器的组合

    公开(公告)号:US20120275197A1

    公开(公告)日:2012-11-01

    申请号:US13542213

    申请日:2012-07-05

    Abstract: The present invention relates to multi-phase parallel-interleaved converter circuits with each phase having two or more transformers and two or more rectifiers electrically coupled to the two or more transformers, and layouts of the transformers and the rectifiers of the multi-phase parallel-interleaved converter circuits. In the layouts, the multiple transformers and the multiple rectifiers of the multi-phase converters are interleavingly arranged to be symmetrical to common output polarized capacitor(s) so as to ensure the rectifier outputs of each phase relative to the common output polarized capacitors is symmetrical, thereby reducing the output ripples of the current of the output capacitors.

    Abstract translation: 本发明涉及多相并行交错转换器电路,每相具有两个或多个变压器和两个或多个电耦合到两个或多个变压器的整流器,以及多相并联交错变换器的变压器和整流器的布局, 交错转换器电路。 在布局中,多相变换器的多个变压器和多个整流器被交织地布置为与公共输出极化电容器对称,以便确保每相的相位相对于公共输出极化电容器的整流器输出对称 ,从而减小输出电容器的电流的输出波纹。

    THREE-PHASE RECTIFIER CIRCUIT
    63.
    发明申请
    THREE-PHASE RECTIFIER CIRCUIT 审中-公开
    三相整流器电路

    公开(公告)号:US20120268976A1

    公开(公告)日:2012-10-25

    申请号:US13544695

    申请日:2012-07-09

    CPC classification number: H02M7/219 Y02B70/1441

    Abstract: In one aspect of the invention, a three-phase rectifier circuit having three input terminals and two output terminals includes a three-phase diode bridge, three switching circuits, and a voltage source. The three-phase diode bridge has three pairs of first diodes electrically parallel-connected to the two output terminals. Each pair of first diodes has two first diodes series-connected defining a first node therebetween, and electrically connected to a corresponding input terminal at the first node. Each switching circuit has a first terminal, a second terminal and a plurality of switches electrically series-connected between the first and second terminals. The first and second terminals are respectively electrically connected to a second node and a third node, respectively between the first node and the two first diodes of the corresponding pair of first diodes. The voltage source is electrically parallel-connected between the two output terminals and electrically connected to each switching circuit.

    Abstract translation: 在本发明的一个方面,具有三个输入端和两个输出端的三相整流电路包括一个三相二极管桥,三个开关电路和一个电压源。 三相二极管桥具有三对电连接到两个输出端的第一二极管。 每对第一二极管具有串联连接的两个第一二极管,在它们之间限定第一节点,并且电连接到第一节点处的对应的输入端子。 每个开关电路具有电连接在第一和第二端子之间的第一端子,第二端子和多个开关。 第一和第二端子分别电连接到第一节点和相应的第一二极管对的两个第一二极管之间的第二节点和第三节点。 电压源电并联连接在两个输出端子之间并与每个开关电路电连接。

    Resonant converter system having synchronous control circuit and controlling method thereof
    64.
    发明授权
    Resonant converter system having synchronous control circuit and controlling method thereof 有权
    具有同步控制电路的谐振转换器系统及其控制方法

    公开(公告)号:US08040696B2

    公开(公告)日:2011-10-18

    申请号:US12250146

    申请日:2008-10-13

    Abstract: The configurations of a resonant converter system and a controlling method thereof are provided. The proposed resonant converter system includes a resonant converter receiving an input voltage for outputting an output voltage, a rectifying device having a first rectifying switch and a synchronous rectification control circuit coupled to the resonant converter and including a signal generation apparatus generating a weighted turn-off signal to turn off the first rectifying switch at a zero crossing point of a first current flowing through the first rectifying switch.

    Abstract translation: 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接收用于输出输出电压的输入电压的谐振变换器,具有第一整流开关和耦合到谐振转换器的同步整流控制电路的整流装置,并且包括产生加权关断的信号产生装置 信号以在流过第一整流开关的第一电流的过零点处关闭第一整流开关。

    Resonant converter system and controlling method thereof having relatively better efficiency
    65.
    发明授权
    Resonant converter system and controlling method thereof having relatively better efficiency 有权
    谐振转换器系统及其控制方法具有较好的效率

    公开(公告)号:US08036000B2

    公开(公告)日:2011-10-11

    申请号:US11867349

    申请日:2007-10-04

    CPC classification number: H02M3/3376 H02M2001/0058 Y02B70/1433 Y02B70/1491

    Abstract: 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.

    Abstract translation: 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。

    Voltage sensing apparatus for power regulation and over-voltage protection of discharge lamp and method thereof
    66.
    发明授权
    Voltage sensing apparatus for power regulation and over-voltage protection of discharge lamp and method thereof 有权
    用于放电灯功率调节和过电压保护的电压检测装置及其方法

    公开(公告)号:US08035319B2

    公开(公告)日:2011-10-11

    申请号:US12403809

    申请日:2009-03-13

    CPC classification number: H05B41/2886 H05B41/2883 H05B41/2888

    Abstract: The configurations of a discharge lamp system and a controlling method thereof are provided in the present invention. The proposed discharge lamp system includes a discharge lamp, a converter circuit coupled to the discharge lamp and having a switching switch, a ballast controller generating a first driving signal and controlling the switching switch accordingly, and a voltage sensing apparatus receiving the first driving signal and generating a sensed voltage accordingly, wherein the discharge lamp is switched among a plurality of operating modes according to the sensed voltage.

    Abstract translation: 在本发明中提供了放电灯系统的结构及其控制方法。 所提出的放电灯系统包括放电灯,耦合到放电灯并具有开关开关的转换器电路,相应地产生第一驱动信号并控制开关开关的镇流器控制器,以及接收第一驱动信号的电压感测装置和 产生相应的感测电压,其中放电灯根据所感测的电压在多个工作模式之间切换。

    Dielectric barrier discharge lamp system and driving method thereof having relatively better performance in startup and re-startup of dimming
    68.
    发明授权
    Dielectric barrier discharge lamp system and driving method thereof having relatively better performance in startup and re-startup of dimming 有权
    介电阻挡放电灯系统及其驱动方法在启动和重新启动调光方面具有较好的性能

    公开(公告)号:US07888880B2

    公开(公告)日:2011-02-15

    申请号:US11923995

    申请日:2007-10-25

    CPC classification number: H05B41/2806 H02M7/48 Y02B20/22

    Abstract: The configurations of a dielectric barrier discharge lamp (DBDL) system and the driving method thereof are provided in the present invention. The proposed DBDL system includes a driver circuit receiving a DC input voltage and generating an AC output voltage, including a transformer having a primary winding and a secondary winding, a dielectric barrier discharge lamp coupled to the secondary winding and a burst mode dimming circuit including a first switch. In which, the first switch is turned on when the first switch is starting such that the first switch and the primary winding forms a conducting path so as to apply a driving high voltage to the DBDEL and turn off the first switch after the DBDL is breaking through by the driving high voltage such that a driving normal voltage is applied to the DBDL.

    Abstract translation: 在本发明中提供了介质阻挡放电灯(DBDL)系统的结构及其驱动方法。 所提出的DBDL系统包括接收DC输入电压并产生AC输出电压的驱动器电路,包括具有初级绕组和次级绕组的变压器,耦合到次级绕组的电介质阻挡放电灯和包括第二绕组的突发模式调光电路 第一个开关 其中,当第一开关启动时,第一开关导通,使得第一开关和初级绕组形成导通路径,以便在DBDL断开之后向DBDEL施加驱动高电压并关闭第一开关 通过驱动高电压使得驱动正常电压施加到DBDL。

    SINGLE-PHASE AND THREE-PHASE DUAL BUCK-BOOST/BUCK POWER FACTOR CORRECTION CIRCUITS AND CONTROLLING METHOD THEREOF
    69.
    发明申请
    SINGLE-PHASE AND THREE-PHASE DUAL BUCK-BOOST/BUCK POWER FACTOR CORRECTION CIRCUITS AND CONTROLLING METHOD THEREOF 有权
    单相和三相双通道升压/降压功率因数校正电路及其控制方法

    公开(公告)号:US20100253295A1

    公开(公告)日:2010-10-07

    申请号:US12752516

    申请日:2010-04-01

    CPC classification number: H02M1/42 H02M1/4216 Y02B70/12 Y02B70/126 Y02P80/112

    Abstract: The configurations of a single-phase dual buck-boost/buck power factor correction (PFC) circuit and a controlling method thereof are provided in the present invention. The proposed circuit includes a single-phase three-level buck-boost PFC circuit receiving an input voltage and having a first output terminal, a neutral-point and a second output terminal for outputting a first and a second output voltages, a single-phase three-level buck PFC circuit receiving the input voltage and coupled to the first output terminal, the neutral-point and the second output terminal, a first output capacitor coupled to the first output terminal and the neutral-point, a second output capacitor coupled to the neutral-point and the second output terminal, and a neutral line coupled to the neutral-point.

    Abstract translation: 在本发明中提供了单相双降压 - 升压/降压功率因数校正(PFC)电路及其控制方法的结构。 所提出的电路包括接收输入电压并具有用于输出第一和第二输出电压的第一输出端,​​中性点和第二输出端的单相三电平升压 - 升压PFC电路,单相 三电平降压PFC电路接收输入电压并耦合到第一输出端子,中性点和第二输出端子,耦合到第一输出端子和中性点的第一输出电容器,耦合到 中性点和第二输出端子,以及耦合到中性点的中性线。

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