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    • 1. 发明申请
    • RELAMPING CIRCUIT
    • 振荡电路
    • US20150195894A1
    • 2015-07-09
    • US14413296
    • 2012-07-17
    • Zhu Mao
    • Zhu Mao
    • H05B41/295H05B41/38
    • H05B41/295H05B41/2985H05B41/386
    • 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.
    • 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。
    • 4. 发明授权
    • Method of striking a lamp in an electronic dimming ballast circuit
    • 在电子调光镇流器电路中击打灯的方法
    • US08441197B2
    • 2013-05-14
    • US13079288
    • 2011-04-04
    • Mark S. TaipaleAaron DobbinsMehmet Ozbek
    • Mark S. TaipaleAaron DobbinsMehmet Ozbek
    • H05B37/02H05B39/04H05B41/36
    • H05B41/382H05B35/00H05B41/295H05B41/2985Y02B20/204
    • 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.
    • 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。
    • 5. 发明申请
    • Filament Detection Circuit
    • 灯丝检测电路
    • US20120313549A1
    • 2012-12-13
    • US13427930
    • 2012-03-23
    • Junying WangYanshun XueYilong YeGuoji Zhong
    • Junying WangYanshun XueYilong YeGuoji Zhong
    • H05B41/36
    • H05B41/2985
    • 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.
    • 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。
    • 6. 发明授权
    • Inverter device and driving method thereof
    • 变频器及其驱动方法
    • US08274235B2
    • 2012-09-25
    • US12815193
    • 2010-06-14
    • Jae-Soon ChoiHak-Hee LeeIl-Young JungEung-Woo Lee
    • Jae-Soon ChoiHak-Hee LeeIl-Young JungEung-Woo Lee
    • H05B37/02
    • H05B41/2985
    • 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.
    • 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。
    • 9. 发明授权
    • Electronic ballast protection
    • 电子镇流器保护
    • US07956548B2
    • 2011-06-07
    • US12384722
    • 2009-04-08
    • Kanghong Zhang
    • Kanghong Zhang
    • H05B37/02
    • H05B41/2985H05B41/2988
    • 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.
    • 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。
    • 10. 发明申请
    • POWER CONVERSION DRIVING CIRCUIT AND FLUORESCENT LAMP DRIVING CIRCUIT
    • 功率转换驱动电路和荧光灯驱动电路
    • US20110037401A1
    • 2011-02-17
    • US12829363
    • 2010-07-01
    • Chung-Che Yu
    • Chung-Che Yu
    • H05B41/16H05B37/02H05B41/36H02M7/5383
    • H05B33/089H05B41/2985
    • 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.
    • 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。