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    • 1. 发明申请
    • FLUORESCENT LAMP INFORMATION DETECTION SYSTEM AND METHOD
    • 荧光灯信息检测系统及方法
    • WO2011107902A2
    • 2011-09-09
    • PCT/IB2011050751
    • 2011-02-23
    • KONINKL PHILIPS ELECTRONICS NVFANG YUHONGLUO GUANGYIGROUEV GEORGEGU KAIFENG
    • FANG YUHONGLUO GUANGYIGROUEV GEORGEGU KAIFENG
    • H05B41/24
    • H05B41/2985H02M2001/008H05B41/245
    • A fluorescent lamp information detection system and method including an information detection system for fluorescent lamps, the system including inverters (120), each of the inverters (120) being operably connected across the high end filament of one of the fluorescent lamps; a controller (130) responsive to a lamp information signal (142) to determine a lamp condition of each of the fluorescent lamps; and lamp information detection circuits (140). Each of the lamp information detection circuits (140) includes a series resistance circuit operably connected between a DC voltage and ground, the series resistance circuit operably connecting in series a first resistance, the high end filament, a second resistance, and a third resistance; a capacitance operably connected in parallel with the third resistance; and a voltage tap operably connected between the second resistance and the third resistance, the voltage tap providing the lamp information signal (142).
    • 一种荧光灯信息检测系统和方法,包括用于荧光灯的信息检测系统,所述系统包括逆变器(120),每个逆变器(120)可操作地连接在一个荧光灯的高端灯丝之间; 响应于灯信息信号(142)以确定每个荧光灯的灯状况的控制器(130); 和灯信息检测电路(140)。 每个灯信息检测电路(140)包括可操作地连接在DC电压和地之间的串联电阻电路,串联电阻电路串联连接第一电阻,高端灯丝,第二电阻和第三电阻; 与第三电阻并联可操作地连接的电容; 以及可操作地连接在所述第二电阻和所述第三电阻之间的电压抽头,所述电压抽头提供所述灯信息信号(142)。
    • 4. 发明申请
    • ELECTRONIC BALLAST WITH POWER THERMAL CUTBACK
    • 具有功率热切割的电子镇流器
    • WO2011073829A1
    • 2011-06-23
    • PCT/IB2010/055335
    • 2010-11-22
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.FANG, YuhongGANESH, ArunLUO, Guangyi
    • FANG, YuhongGANESH, ArunLUO, Guangyi
    • H05B41/298
    • H05B41/2981
    • An electronic ballast with power thermal cutback including an electronic ballast operably connected to provide power to a lamp, the electronic ballast having a PFC converter (HO) operable to receive a PFC input voltage (112) and operable to provide a DC bus voltage on a DC bus (114); a DC/AC converter (120) operable to receive the DC bus voltage from the DC bus (114) and to provide AC power (122) to the lamp (140) at an AC output frequency; a compensator (130) responsive to an electronic ballast condition parameter, the compensator (130) being operable to provide a compensator signal to at least one of the PFC converter (110) and the DC/AC converter (120). At least one of the PFC converter (110) and the DC/AC converter (120) is responsive to the compensator signal to reduce the power to the lamp (140) when the electronic ballast condition parameter passes a threshold.
    • 一种具有功率热切割的电子镇流器,包括可操作地连接以向灯提供电力的电子镇流器,所述电子镇流器具有PFC转换器(HO),其可操作以接收PFC输入电压(112)并且可操作以在DC 直流母线(114); DC / AC转换器(120),其可操作以从所述DC总线(114)接收所述DC总线电压并且以AC输出频率向所述灯(140)提供AC功率(122); 响应于电子镇流器状态参数的补偿器(130),所述补偿器(130)可操作以向PFC转换器(110)和DC / AC转换器(120)中的至少一个提供补偿器信号。 当电子镇流器状态参数通过阈值时,PFC转换器(110)和DC / AC转换器(120)中的至少一个响应于补偿器信号以减小灯(140)的功率。
    • 5. 发明申请
    • ELECTRONIC BALLAST AND STARTUP METHOD
    • 电子镇流器和启动方法
    • WO2011007283A3
    • 2011-05-05
    • PCT/IB2010052991
    • 2010-06-30
    • KONINKL PHILIPS ELECTRONICS NVFANG YUHONGVENKIT SREEPRADHAN SANJAYA KUMARLOPEZ ALEJANDROGROUEV GEORGEGANESH ARUNRHODES BRUCE
    • FANG YUHONGVENKIT SREEPRADHAN SANJAYA KUMARLOPEZ ALEJANDROGROUEV GEORGEGANESH ARUNRHODES BRUCE
    • H05B41/295
    • H05B41/295H05B41/2985
    • An electronic ballast and startup method including an electronic ballast operably connected to a lamp having a lamp filament, the electronic ballast having a timer (110) generating an inverter control signal (112) and a preheat control signal (114); a converter (120) receiving AC power and generating DC power (122); a self-oscillating inverter (130) receiving DC power (122) and being operable to provide lamp power (132) to the lamp, the self-oscillating inverter (130) being responsive to the inverter control signal (112); and a filament preheater (140) receiving DC power (122) and being operable to provide filament power (142) to the lamp filament, the filament preheater (140) being responsive to the preheat control signal (114). When AC power is initially applied, preheat control signal (114) directs the filament preheater (140) to provide filament power (142), and inverter control signal (112) directs the self-oscillating inverter (130) not to provide lamp power (132).
    • 一种电子镇流器和启动方法,包括可操作地连接到具有灯丝的灯的电子镇流器,所述电子镇流器具有产生逆变器控制信号(112)的定时器(110)和预热控制信号(114); 接收AC电力并产生DC电力的转换器(120); 自振荡逆变器(130),其接收直流电力(122)并且可操作以向所述灯提供灯功率(132),所述自振荡逆变器(130)响应于所述逆变器控制信号(112); 以及灯丝预热器(140),其接收直流电力(122)并且可操作以将灯丝功率(142)提供给灯丝,灯丝预热器(140)响应于预热控制信号(114)。 当最初施加交流电源时,预热控制信号(114)引导灯丝预热器(140)提供灯丝功率(142),逆变器控制信号(112)引导自振荡逆变器(130)不提供灯功率 132)。
    • 8. 发明申请
    • POWER SUPPLY CIRCUIT FOR A PFC CONVERTER
    • PFC转换器的电源电路
    • WO2012143906A3
    • 2012-12-13
    • PCT/IB2012052004
    • 2012-04-20
    • KONINKL PHILIPS ELECTRONICS NVFANG YUHONGPRADHAN SANJAYA KUMAR
    • FANG YUHONGPRADHAN SANJAYA KUMAR
    • H02M3/158
    • H02M3/33546H02M1/15H02M1/4225H02M3/1582H05B37/00Y02B70/126
    • A PFC converter(100) is disclosed that includes a voltage rectifier circuit (126, 127, 153) and a voltage regulator circuit(81, 90, 33, 54). The PFC converter (100) also includes an inductor (140) having a plurality of auxiliary windings (141, 142) coupled to the voltage rectifier circuit (126, 27, 153) and the voltage regulator circuit (81, 90,33, 54). One of the auxiliary windings(142)is arranged to supply a start up voltage(V1), during a start up stage, using the voltage rectifier circuit (126, 127, 153)to the voltage regulator circuit (81, 90, 33, 54). Another of the auxiliary windings(141)is arranged to supply a voltage (V1), during a steady-state stage, using the voltage rectifier circuit (126, 127, 153) to the voltage regulator circuit (81, 90, 33, 54).
    • 公开了一种PFC转换器(100),其包括电压整流器电路(126,127,153)和电压调节器电路(81,90,33,54)。 PFC转换器(100)还包括具有耦合到电压整流器电路(126,27,153)和电压调节器电路(81,90,33,54)的多个辅助绕组(141,142)的电感器 )。 其中一个辅助绕组(142)被布置成在启动阶段期间使用电压整流器电路(126,127,153)向电压调节器电路(81,90,33,34)提供启动电压(V1) 54)。 另一个辅助绕组(141)被布置为在稳态阶段期间使用电压整流器电路(126,127,153)向电压调节器电路(81,90,33,54)提供电压(V1) )。
    • 9. 发明申请
    • POWER SUPPLY CIRCUIT FOR A PFC CONVERTER
    • PFC转换器的电源电路
    • WO2012143906A2
    • 2012-10-26
    • PCT/IB2012/052004
    • 2012-04-20
    • KONINKLIJKE PHILIPS ELECTRONICS N.V.FANG, YuhongPRADHAN, Sanjaya Kumar
    • FANG, YuhongPRADHAN, Sanjaya Kumar
    • H02M3/158
    • H02M3/33546H02M1/15H02M1/4225H02M3/1582H05B37/00Y02B70/126
    • A PFC converter(100) is disclosed that includes a voltage rectifier circuit (126, 127, 153) and a voltage regulator circuit(81, 90, 33, 54). The PFC converter (100) also includes an inductor (140) having a plurality of auxiliary windings (141, 142) coupled to the voltage rectifier circuit (126, 27, 153) and the voltage regulator circuit (81, 90,33, 54). One of the auxiliary windings(142)is arranged to supply a start up voltage(V1), during a start up stage, using the voltage rectifier circuit (126, 127, 153)to the voltage regulator circuit (81, 90, 33, 54). Another of the auxiliary windings(141)is arranged to supply a voltage (V1), during a steady-state stage, using the voltage rectifier circuit (126, 127, 153) to the voltage regulator circuit (81, 90, 33, 54).
    • 公开了一种PFC转换器(100),其包括电压整流电路(126,127,153)和电压调节器电路(81,90,33,54)。 PFC转换器(100)还包括具有耦合到电压整流电路(126,27,153)和电压调节器电路(81,90,33,54)的多个辅助绕组(141,142)的电感器(140) )。 辅助绕组(142)中的一个被布置成在启动阶段期间使用电压整流器电路(126,127,153)向稳压器电路(81,90,33,33)提供启动电压(V1) 54)。 辅助绕组(141)中的另一个被布置成在稳态阶段期间使用电压整流器电路(126,127,153)向电压调节器电路(81,90,33,54)提供电压(V1) )。