公开(公告)号：US20150195894A1

公开(公告)日：2015-07-09

申请号：US14413296

申请日：2012-07-17

申请人： Zhu Mao

发明人： Zhu Mao

IPC分类号： H05B41/295 ,  H05B41/38

CPC分类号： H05B41/295 ,  H05B41/2985 ,  H05B41/386

摘要： A relamping circuit topology to provide a lamping signal in ballast circuits used to power heated filament gas discharge lamps. The relamping circuit includes a low level DC power source, a differential capacitance and a switching device coupled to the differential capacitance. The differential capacitance is configured to produce a relamping signal. The relamping circuit topology also includes an electric current path configured to direct a flow of direct current from the low level DC power supply through a filament of the gas discharge lamp, and to the differential capacitance such that breaking and restoring the electric current path activates the relamping signal.

摘要翻译： 一种增压电路拓扑，用于在用于对加热的灯丝气体放电灯供电的镇流器电路中提供抑制信号。 所述增压电路包括低电平直流电源，差分电容和耦合到所述差分电容的开关器件。 差分电容被配置为产生再生信号。 再现电路拓扑还包括电流通道，其被配置为引导来自低电平直流电源的直流电流通过气体放电灯的细丝，并且引导到差分电容，使得断开和恢复电流路径激活 更新信号。

公开(公告)号：US20140292199A1

公开(公告)日：2014-10-02

申请号：US14342630

申请日：2012-09-03

申请人： Gerrit Hendrik Van Eerden ,  Patrick Alexander Maria Boink

发明人： Gerrit Hendrik Van Eerden ,  Patrick Alexander Maria Boink

IPC分类号： H05B41/298 ,  H05B41/38

CPC分类号： H05B41/2988 ,  H05B41/298 ,  H05B41/2985 ,  H05B41/38 ,  H05B41/3921

摘要： A power circuit for at least one gas discharge lamp comprising a first filament and a second filament, the power circuit including an electronic driver circuit, preferably for generating a first alternating voltage between the first and second filament for starting up the gas discharge lamp and for generating a second alternating voltage between the first and second filament for having the gas discharge lamp burn after it has been started up, wherein the power circuit further includes an electronic heating circuit for, at least during generation of the second alternating voltage, generating a first current through the first filament for heating the first filament and/or generating a second current through the second filament for heating the second filament.

摘要翻译： 一种用于至少一个气体放电灯的电源电路，包括第一灯丝和第二灯丝，所述电源电路包括电子驱动电路，优选地用于在第一和第二灯丝之间产生用于启动气体放电灯的第一交流电压， 在所述第一和第二灯丝之间产生第二交流电压，以使得所述气体放电灯在启动之后燃烧，其中所述电源电路还包括电子加热电路，用于至少在产生所述第二交流电压期间产生第一交流电压 电流通过第一灯丝，用于加热第一灯丝和/或产生通过第二灯丝的第二电流以加热第二灯丝。

公开(公告)号：US08736188B2

公开(公告)日：2014-05-27

申请号：US13144535

申请日：2009-11-13

申请人： Juergen Klier ,  Richard Pfaller

发明人： Juergen Klier ,  Richard Pfaller

IPC分类号： H05B41/16

CPC分类号： H05B41/2985

摘要： A detector circuit for controlling at least one fluorescent lamp is provided, wherein the detector circuit is configured such that an inactive fluorescent lamp can be detected if a first signal is present at least one of a first input and a second signal is present at a second input in a detection interval after a start-up phase.

摘要翻译： 提供了一种用于控制至少一个荧光灯的检测器电路，其中检测器电路被配置为使得如果第一信号存在，则可以检测到不活动的荧光灯，第二信号中存在第一和第二信号中的至少一个信号 在启动阶段之后的检测间隔中输入。

公开(公告)号：US08441197B2

公开(公告)日：2013-05-14

申请号：US13079288

申请日：2011-04-04

申请人： Mark S. Taipale ,  Aaron Dobbins ,  Mehmet Ozbek

发明人： Mark S. Taipale ,  Aaron Dobbins ,  Mehmet Ozbek

IPC分类号： H05B37/02 ,  H05B39/04 ,  H05B41/36

CPC分类号： H05B41/382 ,  H05B35/00 ,  H05B41/295 ,  H05B41/2985 ,  Y02B20/204

摘要： A method of striking a gas discharge lamp involves the steps of generating a high-frequency square-wave voltage having an operating frequency, generating a sinusoidal voltage from the high-frequency square-wave voltage, controlling the operating frequency to a low-end frequency, and increasing the amplitude of the sinusoidal voltage during successive pulse times and then decreasing the amplitude of the sinusoidal voltage towards the low-end amplitude at the end of each of the successive pulse times until the lamp has struck, where the length of each of the successive pulse times being greater than the length of the previous pulse time. A maximum amplitude of the sinusoidal voltage during each pulse time may be greater than a maximum amplitude of the sinusoidal voltage during the previous pulse time.

摘要翻译： 一种击打气体放电灯的方法包括以下步骤：产生具有工作频率的高频方波电压，从高频方波电压产生正弦电压，将工作频率控制在低端频率 并且在连续脉冲时间期间增加正弦电压的幅度，然后在每个连续脉冲时间的结尾处将正弦电压的幅度降低到低端振幅，直到灯被击中，其中每个的长度 连续脉冲时间大于先前脉冲时间的长度。 在每个脉冲时间期间，正弦电压的最大振幅可以大于在先前脉冲时间期间正弦电压的最大振幅。

公开(公告)号：US20120313549A1

公开(公告)日：2012-12-13

申请号：US13427930

申请日：2012-03-23

申请人： Junying Wang ,  Yanshun Xue ,  Yilong Ye ,  Guoji Zhong

发明人： Junying Wang ,  Yanshun Xue ,  Yilong Ye ,  Guoji Zhong

IPC分类号： H05B41/36

CPC分类号： H05B41/2985

摘要： Provided is a circuit for detecting a filament of a fluorescent lamp, wherein a first end of a first filament is connected to a second end of the first filament via an oscillation circuit, and the first end of the first filament is connected to an output of an inverter; a first end of a second filament is connected to a second end of the second filament via an oscillation circuit, wherein the first end of the second filament is connected to an internal ground; the second end of the second filament is connected to a power source, and a voltage at the second end of the second filament is used for controlling ON and OFF of an MOSFET, wherein a source of the MOSFET is connected to the internal ground.

摘要翻译： 提供了一种用于检测荧光灯的灯丝的电路，其中第一灯丝的第一端经由振荡电路连接到第一灯丝的第二端，第一灯丝的第一端连接到 逆变器 第二灯丝的第一端经由振荡电路连接到第二灯丝的第二端，其中第二灯丝的第一端连接到内部地面; 第二灯丝的第二端连接到电源，第二灯丝的第二端的电压用于控制MOSFET的导通和截止，其中MOSFET的源极连接到内部接地。

公开(公告)号：US08274235B2

公开(公告)日：2012-09-25

申请号：US12815193

申请日：2010-06-14

申请人： Jae-Soon Choi ,  Hak-Hee Lee ,  Il-Young Jung ,  Eung-Woo Lee

发明人： Jae-Soon Choi ,  Hak-Hee Lee ,  Il-Young Jung ,  Eung-Woo Lee

IPC分类号： H05B37/02

CPC分类号： H05B41/2985

摘要： An inverter according to exemplary embodiment of the present invention generates a plurality of feedback voltages corresponding to driving voltages of discharge lamps. The inverter generates a first minimum voltage having a smaller feedback voltage of a plurality of feedback voltages and compares the first minimum voltage and a short circuit reference voltage to determine a short circuit of at least two discharge lamps. Also, the inverter generates a plurality of feedback voltages corresponding to driving currents of a plurality of discharge lamps, generates a second minimum voltage having a smaller feedback voltage of a plurality of the feedback voltages, and compares the second minimum voltage and an open circuit reference voltage to determine the open circuit of the at least two discharge lamps.

摘要翻译： 根据本发明的示例性实施例的逆变器产生对应于放电灯的驱动电压的多个反馈电压。 逆变器产生具有多个反馈电压的反馈电压较小的第一最小电压，并比较第一最小电压和短路参考电压，以确定至少两个放电灯的短路。 此外，逆变器产生与多个放电灯的驱动电流对应的多个反馈电压，产生具有多个反馈电压的较小反馈电压的第二最小电压，并且比较第二最小电压和开路基准 确定至少两个放电灯的开路电压。

公开(公告)号：US08129915B2

公开(公告)日：2012-03-06

申请号：US12663596

申请日：2008-06-11

申请人： Masahiro Naruo

发明人： Masahiro Naruo

IPC分类号： H05B41/26

CPC分类号： H05B41/295 ,  H05B41/2985 ,  Y10S315/04

摘要： A series circuit comprising a diode and a resistance is connected in parallel to a filament, and a series circuit comprising a diode and a resistance is connected in parallel to a filament. The filaments are preheated by a preheating current supplied from secondary windings of a preheating transformer, via preheating capacitors. Detection circuits detect DC voltage components of the preheating capacitors. Comparators compare the DC voltage components of the preheating capacitors with a reference voltage. The comparators cause a control circuit to protect the inverter circuit if an abnormality of the filaments is detected.

摘要翻译： 包括二极管和电阻的串联电路并联连接到灯丝，并且包括二极管和电阻的串联电路与灯丝并联连接。 通过预热电容器从预热变压器的次级绕组提供的预热电流对长丝进行预热。 检测电路检测预热电容器的直流电压分量。 比较器将预热电容器的直流电压分量与参考电压进行比较。 如果检测到长丝的异常，比较器将引起控制电路来保护逆变器电路。

公开(公告)号：US20120019146A1

公开(公告)日：2012-01-26

申请号：US13144535

申请日：2009-11-13

申请人： Juergen Klier ,  Richard Pfaller

发明人： Juergen Klier ,  Richard Pfaller

IPC分类号： H05B41/36 ,  H05B41/18

CPC分类号： H05B41/2985

摘要： A detector circuit for controlling at least one fluorescent lamp is provided, wherein the detector circuit is configured such that an inactive fluorescent lamp can be detected if a first signal is present at least one of a first input and a second signal is present at a second input in a detection interval after a start-up phase.

摘要翻译： 提供了一种用于控制至少一个荧光灯的检测器电路，其中检测器电路被配置为使得如果第一信号存在，则可以检测到不活动的荧光灯，第二信号中存在第一和第二信号中的至少一个信号 在启动阶段之后的检测间隔中输入。

公开(公告)号：US07956548B2

公开(公告)日：2011-06-07

申请号：US12384722

申请日：2009-04-08

申请人： Kanghong Zhang

发明人： Kanghong Zhang

IPC分类号： H05B37/02

CPC分类号： H05B41/2985 ,  H05B41/2988

摘要： An electronic ballast powers at least one fluorescent tube or lamp which has a power source; a DC power supply having an input connected to the power source; an oscillator connected to an output of said DC power supply so as to be driven therefrom; a driver means; and a protection means that deactivates the oscillator when the output reaches a predetermined abnormally high voltage. The protection means includes a transformer; a plurality of windings disposed on the transformer, a delegated winding disposed on the transformer. The protection means includes a sample point for sampling voltage. The protection means deactivates the delegated winding disposed on the transformer for the magnetizing the transformer and stopping oscillation when the sample point reaches a predetermined abnormally high voltage.

摘要翻译： 电子镇流器为至少一个具有电源的荧光管或灯供电; 直流电源，其具有连接到所述电源的输入; 连接到所述直流电源的输出以便从其驱动的振荡器; 司机手段; 以及当输出达到预定的异常高电压时使振荡器无效的保护装置。 保护装置包括变压器; 设置在变压器上的多个绕组，设置在变压器上的委托绕组。 保护装置包括用于采样电压的采样点。 保护装置使设置在变压器上的委托绕组停用，用于磁化变压器，并且当采样点达到预定的异常高电压时停止振荡。

公开(公告)号：US20110037401A1

公开(公告)日：2011-02-17

申请号：US12829363

申请日：2010-07-01

申请人： Chung-Che Yu

发明人： Chung-Che Yu

IPC分类号： H05B41/16 ,  H05B37/02 ,  H05B41/36 ,  H02M7/5383

CPC分类号： H05B33/089 ,  H05B41/2985

摘要： A power conversion driving circuit is provided. The power conversion drive circuit includes a converting circuit, a control circuit and a load circuit. The converting circuit is coupled to an input voltage. The control circuit is coupled to the converting circuit for controlling the converting circuit to convert the input voltage to an output voltage. The load circuit includes a load detecting unit and a load. The load is coupled to the output voltage, and the load detecting unit is coupled to a detecting voltage source. The load detecting unit generates a load detecting signal to re-start the control circuit when the load circuit is inserted into the power conversion driving circuit.

摘要翻译： 提供电力转换驱动电路。 功率转换驱动电路包括转换电路，控制电路和负载电路。 转换电路耦合到输入电压。 控制电路耦合到转换电路，用于控制转换电路将输入电压转换为输出电压。 负载电路包括负载检测单元和负载。 负载耦合到输出电压，并且负载检测单元耦合到检测电压源。 当负载电路插入电力转换驱动电路时，负载检测单元产生负载检测信号以重新启动控制电路。