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公开(公告)号：US09137881B2
公开(公告)日：2015-09-15
申请号：US13994352
申请日：2011-11-01
IPC分类号： H05B37/02 , H05B41/36 , H05B41/288 , H05B41/292
CPC分类号： H05B41/36 , H05B41/2883 , H05B41/2887 , H05B41/2925 , Y02B20/208
摘要： A discharge lamp lighting device having a discharge lamp which has a pair of tungsten-made electrodes each having a protrusion formed at the tip thereof and an electric power feeding device which feeds an alternate current electric power to the discharge lamp, and is characterized in that the power feeding device has a function of switching between a first lighting mode in which a rated electric power is fed to the discharge lamp and a second lighting mode in which a lower electric power than the rated electric power is fed to the discharge lamp to light the discharge lamp, and therefore, can control electric power to be fed to the discharge lamp under such conditions that the average electric power change rate becomes 0.01-2.1 W/s during a mode switching period in which the switching from the first lighting mode into the second lighting mode is carried out.
摘要翻译： 一种放电灯点灯装置，具有放电灯，该放电灯具有一对在其顶端形成有突起的钨制电极和向该放电灯供给交流电力的供电装置，其特征在于， 所述供电装置具有在向所述放电灯供给额定电力的第一照明模式与所述放电灯供给到所述放电灯的低功率的第二照明模式之间进行切换的功能 放电灯，因此能够在将从第一照明模式切换到第一照明模式的模式切换期间的平均电力变化率为0.01〜2.1W / s的条件下，控制供给到放电灯的电力 执行第二照明模式。
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公开(公告)号：US20130271024A1
公开(公告)日：2013-10-17
申请号：US13994352
申请日：2011-11-01
IPC分类号： H05B41/36
CPC分类号： H05B41/36 , H05B41/2883 , H05B41/2887 , H05B41/2925 , Y02B20/208
摘要： A discharge lamp lighting device having a discharge lamp which has a pair of tungsten-made electrodes each having a protrusion formed at the tip thereof and an electric power feeding device which feeds an alternate current electric power to the discharge lamp, and is characterized in that the power feeding device has a function of switching between a first lighting mode in which a rated electric power is fed to the discharge lamp and a second lighting mode in which a lower electric power than the rated electric power is fed to the discharge lamp to light the discharge lamp, and therefore, can control electric power to be fed to the discharge lamp under such conditions that the average electric power change rate becomes 0.01-2.1 W/s during a mode switching period in which the switching from the first lighting mode into the second lighting mode is carried out.
摘要翻译： 一种放电灯点灯装置，具有放电灯，该放电灯具有一对在其顶端形成有突起的钨制电极和向该放电灯供给交流电力的供电装置，其特征在于， 所述供电装置具有在向所述放电灯供给额定电力的第一照明模式与所述放电灯供给到所述放电灯的低功率的第二照明模式之间进行切换的功能 放电灯，因此能够在将从第一照明模式切换到第一照明模式的模式切换期间的平均电力变化率为0.01〜2.1W / s的条件下，控制供给到放电灯的电力 执行第二照明模式。
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3.发明授权Modulated power lighting mode for lighting apparatus of high-pressure discharge lamp and projector 有权高压放电灯和投影机照明装置的调制电源照明模式公开(公告)号：US08525431B2
公开(公告)日：2013-09-03
申请号：US12926616
申请日：2010-11-30
CPC分类号： H05B41/2883 , H05B41/2928 , Y02B20/208
摘要： A lighting apparatus for a high-pressure discharge lamp that has an electric discharge container made of quartz glass, and containing a pair of counter electrodes and a power supply unit that supplies AC current to the high-pressure discharge lamp. The power supply unit has a stationary power lighting mode and a modulated power lighting mode that supplies current having power less than power in the stationary power lighting mode. The modulated power lighting mode supplies a rectangular AC current having a first term and a second term. A mean high-frequency current value supplied to a first electrode is greater than a mean current value supplied to a second electrode in the first term. A current is supplied to the second electrode for a term longer than the half-cycle period in the second term, the current being lower than the mean high-frequency current value supplied to the first electrode.
摘要翻译： 一种用于高压放电灯的照明装置，其具有由石英玻璃制成的放电容器，并且包含一对反电极和向高压放电灯提供交流电的电源单元。 电源单元具有固定功率照明模式和在固定功率照明模式中提供具有小于功率的功率的电流的调制电力照明模式。 调制功率照明模式提供具有第一项和第二项的矩形AC电流。 提供给第一电极的平均高频电流值大于在第一项中提供给第二电极的平均电流值。 在第二项中，向第二电极提供长于半周期周期的电流，该电流低于提供给第一电极的平均高频电流值。
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公开(公告)号：US20110128508A1
公开(公告)日：2011-06-02
申请号：US12926616
申请日：2010-11-30
CPC分类号： H05B41/2883 , H05B41/2928 , Y02B20/208
摘要： A lighting apparatus for a high-pressure discharge lamp that has an electric discharge container made of quartz glass, and containing a pair of counter electrodes and a power supply unit that supplies AC current to the high-pressure discharge lamp. The power supply unit has a stationary power lighting mode and a modulated power lighting mode that supplies current having power less than power in the stationary power lighting mode. The modulated power lighting mode supplies a rectangular AC current having a first term and a second term. A mean high-frequency current value supplied to a first electrode is greater than a mean current value supplied to a second electrode in the first term. A current is supplied to the second electrode for a term longer than the half-cycle period in the second term, the current being lower than the mean high-frequency current value supplied to the first electrode.
摘要翻译： 一种用于高压放电灯的照明装置，其具有由石英玻璃制成的放电容器，并且包含一对反电极和向高压放电灯提供交流电的电源单元。 电源单元具有固定功率照明模式和在固定功率照明模式中提供具有小于功率的功率的电流的调制电力照明模式。 调制功率照明模式提供具有第一项和第二项的矩形AC电流。 提供给第一电极的平均高频电流值大于在第一项中提供给第二电极的平均电流值。 在第二项中，向第二电极提供长于半周期周期的电流，该电流低于提供给第一电极的平均高频电流值。
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公开(公告)号：US20110018460A1
公开(公告)日：2011-01-27
申请号：US12805339
申请日：2010-07-27
申请人： Takanori Samejima , Masashi Okamoto
发明人： Takanori Samejima , Masashi Okamoto
IPC分类号： H05B41/36
CPC分类号： H05B41/388 , H05B41/2883 , Y02B20/204
摘要： In an optimum frequency detection sequence of a discharge lamp, the frequency control circuit performs a sweep operation in which, while the frequency control circuit monitors a syntonization degree signal, a frequency control signal is changed, so that frequency is changed, starting from either an upper or lower limit frequency of a periodic driving circuit, in a range that does not exceed the other frequency, wherein after completion of the sweep operation, the frequency control circuit determines a value of the frequency control signal corresponding to a resonance frequency of the resonant circuit, and inputs the value into a frequency driving circuit, wherein at least in a period of the sweep operation, an inverter receives power supply from a sweep time power supply circuit for supplying electric power with constant supply capability, which is limited to a range in which breakdown does not occur in the discharge lamp.
摘要翻译： 在放电灯的最佳频率检测顺序中，频率控制电路进行扫频动作，其中，在频率控制电路监视合成度信号的同时，频率控制信号发生变化，频率发生变化，从 在不超过其他频率的范围内的周期性驱动电路的上限或下限频率，其中在扫描操作完成之后，频率控制电路确定对应于谐振的谐振频率的频率控制信号的值 电路，并将该值输入到频率驱动电路中，其中至少在扫描操作期间，逆变器从扫频时间电源电路接收供电电力，用于提供具有恒定供电能力的电力，该功率限制在一定范围内 在放电灯中不发生击穿。
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公开(公告)号：US20080137041A1
公开(公告)日：2008-06-12
申请号：US11987701
申请日：2007-12-04
CPC分类号： H05B41/2887 , G03B21/2026 , G03B21/2053 , G03B33/08 , H04N9/3114 , H04N9/3155 , Y02B20/202
摘要： A discharge lamp lighting apparatus for lighting a discharge lamp, comprises an inverter which reverses a polarity of an output voltage and applies alternating voltage to the discharge lamp, and an inverter control circuit which generates an inverter control signal defining a polarity reversal operation of the inverter, based on a polarity reversal timing signal, wherein when the number of polarity reversals in one cycle of the polarity reversal timing signal is even, the inverter control circuit intermittently performs a first operation in which successive pulse-like part of the polarity reversal operation based on the polarity reversal timing signal is disregarded by odd number of times.
摘要翻译： 一种用于点燃放电灯的放电灯点亮装置，包括：反相器，其将输出电压的极性反转并向放电灯施加交流电压;以及逆变器控制电路，其产生限定逆变器的极性反转操作的逆变器控制信号 基于极性反转定时信号，其中当极性反转定时信号的一个周期中的极性反转的数量为偶数时，逆变器控制电路间歇地执行第一操作，其中基于极性反转操作的连续脉冲状部分基于 极性反转定时信号被忽略奇数次。
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7.发明授权DC—DC converter and device for operation of a high pressure discharge lamp using said converter 失效DC-DC转换器和使用所述转换器操作高压放电灯的装置公开(公告)号：US07078868B2
公开(公告)日：2006-07-18
申请号：US10891024
申请日：2004-07-15
IPC分类号： H05B37/02
CPC分类号： H05B41/2885 , H02M3/158 , Y02B20/202 , Y02B70/1425
摘要： A low cost DC—DC converter which facilitates a reduction of the switching loss in a wide, variable range of the continuity ratio of the main switching device includes a direct current source; an ON-OFF-controllable main switching device; a main coil which is series connected to the main switching device; a fly-wheel diode which is arranged such that the induction current of the above described main coil flows when the main switching device is shifted into the OFF state; a smoothing capacitor for smoothing the output of the main coil; an auxiliary coil, a resonant capacitor and an ON-OFF-controllable auxiliary switching device. The main switching device and the auxiliary switching device are controlled such that each are alternatively shifted into the ON state such that the main switching device is shifted into the ON state within a given time after the auxiliary switching device has been shifted into the OFF state.
摘要翻译： 有利于在主开关装置的连续性比的宽的可变范围内的开关损耗的降低的低成本DC-DC转换器包括直流电源; 开关控制主开关装置; 串联连接到主开关装置的主线圈; 一个飞轮二极管，其布置成使得当主开关装置转换到断开状态时，上述主线圈的感应电流流动; 平滑电容器，用于平滑主线圈的输出; 辅助线圈，谐振电容器和ON-OFF可控辅助开关装置。 控制主开关装置和辅助开关装置，使得各个交替切换到接通状态，使得主辅助开关装置在辅助开关装置已经被切换到关闭状态之后的给定时间内移动到接通状态。
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公开(公告)号：US08358079B2
公开(公告)日：2013-01-22
申请号：US12926621
申请日：2010-11-30
申请人： Takanori Samejima , Masashi Okamoto
发明人： Takanori Samejima , Masashi Okamoto
CPC分类号： H05B41/2886 , H05B41/2925
摘要： A discharge lamp lighting apparatus for lighting a discharge lamp where a voltage generated in a secondary side winding can be superimposed on an output voltage of an inverter and is impressed between electrodes, where while a periodic drive circuit generates an inverter drive signal so that frequency of the inverter becomes a start-up initial frequency, electric supply control circuit controls a power supply circuit to output no-load opening voltage, where the frequency of the inverter gradually decreases until reaching a first threshold frequency from the start-up initial frequency, where when the frequency of the inverter reaches the first threshold frequency, the periodic drive circuit generates the inverter drive signal so that the frequency of the inverter becomes stable lighting frequency, and where the electric supply control circuit controls the power supply circuit to output current which is sufficient to maintain electric discharge of the discharge lamp.
摘要翻译： 一种用于点亮放电灯的放电灯点亮装置，其中二次侧绕组中产生的电压可以叠加在逆变器的输出电压上并被施加在电极之间，其中周期性驱动电路产生逆变器驱动信号，使得频率 逆变器成为启动初始频率，电源控制电路控制电源电路输出空载开路电压，其中逆变器的频率逐渐减小，直到从启动初始频率到达第一阈值频率，其中 当逆变器的频率达到第一阈值频率时，周期性驱动电路产生逆变器驱动信号，使得逆变器的频率变得稳定的点亮频率，并且在电源控制电路控制电源电路输出电流为 足以保持放电灯的放电。
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公开(公告)号：US20080111975A1
公开(公告)日：2008-05-15
申请号：US11984138
申请日：2007-11-14
申请人： Masashi Okamoto , Takanori Samejima
发明人： Masashi Okamoto , Takanori Samejima
CPC分类号： H05B41/382 , H05B41/388 , Y02B20/204
摘要： In a discharge lamp lighting apparatus, increase modulation on lamp current with a pulse is carried out according to a modulation signal. At a start-up of the discharge lamp or immediately thereafter, the increase modulation is restrained, and in a lighting steady state of the discharge lamp, the restraining of the increase modulation is released, and wherein when the restraining of the increase modulation is released, in a transition period from immediately after the start-up of the discharge lamp to the lighting steady state, the restraining of increase modulation is gradually released.
摘要翻译： 在放电灯点亮装置中，根据调制信号进行脉冲调制对灯电流的调制。 在放电灯的启动时或紧接其后，抑制增加调制，并且在放电灯的点亮稳定状态下，释放增加调制的抑制，并且其中当抑制增加调制被释放时 在从放电灯启动之后的过渡期到照明稳定状态的过渡期间，逐渐释放增加调制的抑制。
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10.发明申请DC-DC converter and device for operation of a high pressure discharge lamp using said converter 有权DC-DC转换器和使用所述转换器操作高压放电灯的装置公开(公告)号：US20050007036A1
公开(公告)日：2005-01-13
申请号：US10887346
申请日：2004-07-09
IPC分类号： H05B41/282 , H02M1/08 , H02M3/155 , H02M3/156 , H02M3/158 , H02M7/5387 , H05B41/18 , H05B41/288 , H05B39/04
CPC分类号： H02M1/34 , H02M1/08 , H02M3/156 , H02M2001/007 , H02M2001/342 , H05B41/2886 , Y02B20/202 , Y02B70/1491
摘要： A low cost DC-DC converter facilitates a reduction of the switching loss in the wide, variable range of the continuity ratio for a main switching device. The DC-DC converter includes a direct current source, an ON-OFF-controllable main switching device, a main coil which is series connected to the main switching device, a fly-wheel diode which is arranged such that the induction current of the main coil flows when the main switching device is shifted into the OFF state, and a smoothing capacitor for smoothing the output of the main coil, Also included is an auxiliary transformer with a primary winding as a direct current source and a secondary winding. The main switching device and the auxiliary switching device are controlled such that they are shifted alternatively into the ON state, and the main switching device, is shifted into the ON state a given time after the auxiliary switching device has been shifted into the OFF state.
摘要翻译： 低成本DC-DC转换器有助于在主开关器件的连续性比较宽的可变范围内降低开关损耗。 DC-DC转换器包括直流电源，ON-OFF控制主开关装置，与主开关装置串联连接的主线圈，其布置成使主电感器的感应电流 当主开关器件移入OFF状态时，线圈流动，并且用于平滑主线圈的输出的平滑电容器。还包括具有初级绕组作为直流源和次级绕组的辅助变压器。 控制主开关装置和辅助开关装置，使得它们被交替地移动到接通状态，并且主开关装置在辅助开关装置已经被切换到关闭状态之后的给定时间内被转换到接通状态。
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