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    • 1. 发明申请
    • AN ARRANGEMENT FOR CONTROLLING IGNITION IN ELECTRONIC TRANSFORMERS AND CORRESPONDING METHOD
    • 电子变压器点火控制装置及相应的方法
    • WO2010032076A3
    • 2010-05-27
    • PCT/IB2008002480
    • 2008-09-22
    • OSRAM GMBHOSRAM SPAFACCIN MARCO
    • FACCIN MARCO
    • H05B39/04
    • H05B39/045Y02B20/142
    • An electronic transformer for driving a load (L) from a mains signal comprises an ignition capacitor (Cs), an input stage (10) for loading the ignition capacitor (Cs) from the mains signal, and a switching output stage (12) for driving the load (L). The output stage (12) is switcheable (Ta, Tb) as a function of the charge loaded on said ignition capacitor (Cs), and a charge amplifier stage (18) is interposed between the ignition capacitor (Cs) and the switching output stage (12). A loading resistor (Rs) is coupled with the ignition capacitor (Cs) for loading the ignition capacitor (Cs) from said mains signal, and a controllable (14) switch (Td) permits to selectively short-circuit the ignition capacitor (Cs) and put the electronic transformer at standby. The presence of the charge amplifier stage (18) permits to reduce the capacitance value of the ignition capacitor (Cs) and to increase the value of the loading resistor (Rs), thereby reducing power absorption at standby.
    • 一种用于从市电信号驱动负载(L)的电子变压器包括一个点火电容器(Cs),一个用于从市电信号加载点火电容器(Cs)的输入级(10),以及一个开关输出级(12) 驱动负载(L)。 输出级(12)作为加载在所述点火电容器(Cs)上的电荷的函数是可切换的(Ta,Tb),并且电荷放大器级(18)插入在点火电容器(Cs)和切换输出级 (12)。 负载电阻(Rs)与点火电容器(Cs)耦合,用于从所述市电信号加载点火电容器(Cs),并且可控制开关(Td)允许选择性地使点火电容器(Cs)短路, 并将电子变压器置于待机状态。 电荷放大器级(18)的存在允许减小点火电容器(Cs)的电容值并增加负载电阻器(Rs)的值,​​从而减少待机时的功率吸收。
    • 3. 发明申请
    • A PROTECTION DEVICE FOR ELECTRONIC CONVERTERS, RELATED CONVERTER AND METHOD
    • 一种用于电子转换器的保护装置,相关转换器和方法
    • WO2007085580A1
    • 2007-08-02
    • PCT/EP2007/050580
    • 2007-01-22
    • PATENT-TREUHAND-GESELLSCHAFT FÜR ELEKTRISCHE GLÜHLAMPEN MBHFACCIN, Marco
    • FACCIN, Marco
    • H05B41/285H05B41/292H05B41/298
    • H05B39/045H02H7/1227Y02B20/142Y10S323/907
    • A device for protecting an electronic converter, e.g.for halogen lamps, includes a comparator (10) having an output (Vo) as well as non-inverting (14) and inverting (12) inputs for receiving a first input signal (Vi(P)) indicative of the load applied to the converter and a second input signal (Vref(T°)) indicative of the temperature of the converter. The comparator (10) is in a non-inverting Schmitt-trigger configuration having an input-output characteristic with hysteresis. Consequently, the output (Vo) is switched from a first value (Vo1) to a second value (Voh) to switch off the electronic converter as the first input signal (Vi(P)) exceeds a first threshold value (VT1). The output (Vo) is switched back from the second value (Voh) to the first value (Vo1) to restart the electronic converter when the first input signal (Vi(P)) falls below a second threshold value (VT2). The second threshold value (VT2) is lower than the first threshold value (VT1), and both threshold values (VT1, VT2) are a function of the signal (Vref(T°)) indicative of the temperature of the converter. The converter is thus protected against both current overloads and temperature overloads.
    • 用于保护诸如卤素灯的电子转换器的装置包括具有输出(Vo)以及非反相(14)和反相(12)输入的比较器(10),用于接收第一输入信号(Vi(P ))以及表示转换器的温度的第二输入信号(Vref(T°))。 比较器(10)处于具有滞后输入输出特性的非反相施密特触发器配置。 因此,当第一输入信号(Vi(P))超过第一阈值(VT1)时,输出(Vo)从第一值(Vo1)切换到第二值(Voh)以关闭电子转换器。 当第一输入信号(Vi(P))低于第二阈值(VT2)时,输出(Vo)从第二值(Voh)切换回第一值(Vo1)以重启电子转换器。 第二阈值(VT2)低于第一阈值(VT1),两个阈值(VT1,VT2)都是表示转换器温度的信号(Vref(T°))的函数。 因此,转换器可以防止电流过载和温度过载。
    • 4. 发明申请
    • AN ARRANGEMENT FOR CONTROLLING IGNITION IN ELECTRONIC TRANSFORMERS AND CORRESPONDING METHOD
    • 用于控制电子变压器中的点火的安排和相应的方法
    • WO2010032076A2
    • 2010-03-25
    • PCT/IB2008/002480
    • 2008-09-22
    • OSRAM GESELLSCHAFT MIT BESCHRÄNKTER HAFTUNGOSRAM S.P.A. - SOCIETA' RIUNITE OSRAM EDISON CLERICIFACCIN, Marco
    • FACCIN, Marco
    • H05B39/04
    • H05B39/045Y02B20/142
    • An electronic transformer for driving a load (L) from a mains signal comprises an ignition capacitor (Cs), an input stage (10) for loading the ignition capacitor (Cs) from the mains signal, and a switching output stage (12) for driving the load (L). The output stage (12) is switcheable (Ta, Tb) as a function of the charge loaded on said ignition capacitor (Cs), and a charge amplifier stage (18) is interposed between the ignition capacitor (Cs) and the switching output stage (12). A loading resistor (Rs) is coupled with the ignition capacitor (Cs) for loading the ignition capacitor (Cs) from said mains signal, and a controllable (14) switch (Td) permits to selectively short-circuit the ignition capacitor (Cs) and put the electronic transformer at standby. The presence of the charge amplifier stage (18) permits to reduce the capacitance value of the ignition capacitor (Cs) and to increase the value of the loading resistor (Rs), thereby reducing power absorption at standby.
    • 一种用于从电力信号驱动负载(L)的电子变压器包括点火电容器(Cs),用于从电源信号装载点火电容器(Cs)的输入级(10)和用于 驱动负载(L)。 输出级(12)作为负载在所述点火电容器(Cs)上的电荷的函数可切换(Ta,Tb),并且电荷放大级(18)插在点火电容器(Cs)和开关输出级 (12)。 负载电阻(Rs)与点火电容器(Cs)耦合,用于从所述电源信号装载点火电容器(Cs),并且可控(14)开关(Td)允许选择性地使点火电容器(Cs)短路, 并将电子变压器置于待机状态。 电荷放大器级(18)的存在允许降低点火电容器(Cs)的电容值并增加负载电阻器(Rs)的值,​​从而降低待机时的功率吸收。