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1. 发明专利

JP2006128225A Transformer device for high-voltage pulse, discharge lamp lighting device using the same, illumination apparatus, and projector device 有权
标题翻译：用于高电压脉冲的变压器装置，使用其的放电灯照明装置，照明装置和投影仪装置
公开(公告)号：JP2006128225A
公开(公告)日：2006-05-18
申请号：JP2004311498
申请日：2004-10-26
申请人： Ikeda Electric Co Ltd , Matsushita Electric Works Ltd , 松下電工株式会社 , 池田電機株式会社
发明人： NAKADA KATSUYOSHI , KOBAYASHI YOSHIKAZU , HARADA KEISUKE , TAKAHASHI SEIJI
IPC分类号： H01F38/08 , H05B41/24
摘要： PROBLEM TO BE SOLVED: To provide a transformer device for high-voltage pulse along with a discharge lamp lighting device using the same, illumination apparatus, and projector device, capable of realizing smaller size and lower cost. SOLUTION: A transformer device PT for high voltage pulses comprises a secondary winding block BK, consisting of a cylindrical core 1, a secondary winding 2 wound on the core 1, and a high-voltage output line 5 connected to an output terminal 2a on one end of the secondary winding 2; a coil bobbin 3, whose one surface is opened and where the secondary winding block BK is stored in a storing part 3c; and a primary winding 4 which is wound on the winding drum 3a of the coil bobbin 3. The high-voltage output line 5 is guided to the outside of the coil bobbin 3 through the opening on one surface of the coil bobbin 3, and an insulating resin 9 is filled in the storage 3c in which the secondary winding block BK is stored. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种用于高压脉冲的变压器装置以及使用其的放电灯照明装置，照明装置和投影仪装置，能够实现更小的尺寸和更低的成本。解决方案：用于高电压脉冲的变压器装置PT包括次级绕组BK，其由圆筒形芯1，缠绕在芯1上的次级绕组2和连接到输出端子的高压输出线5组成 2a在二次绕组2的一端; 一个表面打开并且次级绕组BK被存储在存储部分3c中的线圈架3; 以及卷绕在线圈架3的卷绕鼓3a上的初级绕组4.高压输出线5通过线圈架3的一个面的开口被引导到线圈架3的外侧，绝缘树脂9填充在存储有次级绕组BK的存储部3c中。版权所有（C）2006，JPO＆NCIPI

2. 发明专利

JP2005019108A High voltage pulse generator and discharge lamp lighting device 有权
标题翻译：高电压脉冲发生器和放电灯照明装置
公开(公告)号：JP2005019108A
公开(公告)日：2005-01-20
申请号：JP2003180181
申请日：2003-06-24
申请人： Ikeda Electric Co Ltd , Matsushita Electric Works Ltd , 松下電工株式会社 , 池田電機株式会社
发明人： NAKADA KATSUYOSHI , KOBAYASHI YOSHIKAZU , HARADA KEISUKE
IPC分类号： F21V23/00 , F21Y101/00 , H05B41/18 , H05B41/24
摘要： PROBLEM TO BE SOLVED: To reduce the size of a high voltage pulse generator, and to prevent malfunction of a circumferential circuit due to influence of magnetic flux leaking from a core of a pulse transformer to the circumferential circuit. SOLUTION: Internal connection of a high-voltage pulse generator is performed with a electric circuit plate block wherein metal plates are integrally molded with a resin, and wiring is performed to surround a core 2 of the pulse transformer for shielding leakage magnetic flux. In wiring, the core 2 of the pulse transformer is fixed near the central part of an insulated case 1 to suppress the leakage of the magnetic flux to the outside to a minimum. A material with high specific resistance is used for the core material of the pulse transformer to reduce the size of the pulse transformer. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：为了减小高压脉冲发生器的尺寸，并且防止由于脉冲变压器的铁心向周向电路泄漏的磁通的影响而产生的周向电路的误动作。
解决方案：高电压脉冲发生器的内部连接用电路板块进行，其中金属板与树脂一体模制，并且执行布线以围绕脉冲变压器的磁芯2以屏蔽泄漏磁通量。在布线中，脉冲变压器的磁芯2固定在绝缘壳体1的中心部附近，以将磁通量向外部的泄漏抑制到最小。脉冲变压器的核心材料使用具有高电阻率的材料，以减小脉冲变压器的尺寸。版权所有（C）2005，JPO＆NCIPI

3. 发明专利

JP2007173121A High-luminance discharge lamp lighting device and projector 有权
标题翻译：高亮度放电灯照明装置和投影仪
公开(公告)号：JP2007173121A
公开(公告)日：2007-07-05
申请号：JP2005371063
申请日：2005-12-22
申请人： Matsushita Electric Works Ltd , 松下電工株式会社
发明人： KONISHI YOJI , KISHIMOTO AKIHIRO , HASEGAWA JUNICHI , WATANABE HIROSHI , NAKADA KATSUYOSHI
IPC分类号： H05B41/24 , H02M7/48
摘要： PROBLEM TO BE SOLVED: To lower stress on switching elements of a circuit by doing away with a manual circuit adjustment and eliminating necessity to make an allowable error of each element of a resonant circuit very small. SOLUTION: The device is provided with a resonant voltage detecting circuit 15 detecting resonant voltage, and a frequency control circuit 16 adjusting variable frequencies so that the resonant voltage is to be gradually and continuously raised from a first voltage level lower than that corresponding to a lower fluctuation limit of trigger voltages of an igniter circuit 14 to a second voltage level higher than that corresponding to a higher fluctuation limit. This is to gradually and continuously lower variable frequencies from a first frequency to a second frequency lower than the former to judge whether the resonant frequency has reached the second level based on values obtained from the resonant frequency, and, after judgment result is obtained that it has, to fix the variable frequency so as to maintain the resonant voltage at the second voltage level. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：要解决的问题：通过取消手动电路调整来降低电路的开关元件的应力，并且消除使得谐振电路的每个元件的容许误差非常小的必要性。解决方案：该装置具有检测谐振电压的谐振电压检测电路15和调节可变频率的频率控制电路16，使得谐振电压将从低于相应电压的第一电压电平逐渐且连续地升高使得点火器电路14的触发电压的较低波动极限达到高于对应于较高波动极限的第二电压电平。这是逐渐地连续地将可变频率从第一频率降低到低于前者的第二频率，以基于从谐振频率获得的值来判断谐振频率是否达到第二电平，并且在获得了判断结果具有固定可变频率以便将谐振电压保持在第二电压电平。版权所有（C）2007，JPO＆INPIT

4. 发明专利

JP2007026904A Discharge lamp lighting device and image display device 有权
标题翻译：放电灯照明装置和图像显示装置
公开(公告)号：JP2007026904A
公开(公告)日：2007-02-01
申请号：JP2005207839
申请日：2005-07-15
申请人： Matsushita Electric Works Ltd , 松下電工株式会社
发明人： WATANABE HIROSHI , KONISHI YOJI , KISHIMOTO AKIHIRO , HASEGAWA JUNICHI , NAKADA KATSUYOSHI
IPC分类号： H05B41/24
摘要： PROBLEM TO BE SOLVED: To provide an image display device capable of reducing damage to an electrode of a discharge lamp to extend a lamp service life by optimally controlling a time or a current value of a high-frequency current in response to an electrode temperature of a discharge lamp in starting the lamp. SOLUTION: A control circuit 1 includes: a PWM control circuit 2 for controlling a switching element Q1 of a step-down chopper circuit; a full-bridge control part 8 for controlling switching elements Q2-Q5 of a full-bridge type inverter circuit; and a microcomputer 3 for controlling them. In a stable lighting period (low-frequency operation period), the microcomputer 3 controls the step-down chopper circuit so as to optimize the voltage of a capacitor C1 in response to a detection value of a lamp voltage V1a. In a starting period (high-frequency operation period), the step-down chopper circuit is so controlled as to allow the dielectric breakdown of the discharge lamp La and thereafter set the voltage of the capacitor C1 at a value allowing a predetermined high-frequency current to flow. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：提供一种图像显示装置，其能够减少对放电灯的电极的损害，以通过最佳地控制高频电流的时间或电流值来延长灯的使用寿命启动灯泡时放电灯的电极温度。解决方案：控制电路1包括：PWM控制电路2，用于控制降压斩波电路的开关元件Q1; 用于控制全桥型逆变器电路的开关元件Q2-Q5的全桥控制部分8; 以及用于控制它们的微计算机3。在稳定的点亮期间（低频运转期间），微型计算机3控制降压斩波电路，以便根据灯电压V1a的检测值来优化电容器C1的电压。在起动期间（高频运转期间），降压斩波电路被控制成允许放电灯La的绝缘击穿，然后将电容器C1的电压设定在允许预定高频目前流动。版权所有（C）2007，JPO＆INPIT

5. 发明专利

JP2005353423A Discharge lamp lighting device and projector 有权
标题翻译：放电灯照明设备和投影仪
公开(公告)号：JP2005353423A
公开(公告)日：2005-12-22
申请号：JP2004173154
申请日：2004-06-10
申请人： Matsushita Electric Works Ltd , 松下電工株式会社
发明人： HASEGAWA JUNICHI , KONISHI YOJI , KISHIMOTO AKIHIRO , WATANABE HIROSHI , NAKADA KATSUYOSHI
IPC分类号： H05B41/24 , H05B41/282 , H05B41/288
CPC分类号： H05B41/2883
摘要： PROBLEM TO BE SOLVED: To provide a discharge lamp lighting device and a projector capable of restraining flicker by reducing fluctuation of discharge lamp current due to voltage fluctuation of a power source, in the case of one having a power source part rectifying and smoothing a commercial power source for use as a lamp lighting power source. SOLUTION: The discharge lamp lighting device using the power source part rectifying and smoothing the commercial power source as a lamp lighting power source detects voltage fluctuation of a power source supplied from the power source part, superposes the detected voltage on a detected voltage of a discharge lamp current detecting circuit or a reference voltage, and controls the discharge current constant. It may control so as to switch a superposing ratio of the detected voltage of the power source in accordance with a discharge lamp voltage or a discharge lamp power output. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：为了提供一种放电灯点亮装置和能够通过减少由于电源的电压波动引起的放电灯电流的波动来抑制闪烁的放电灯，在具有电源部整流的情况下，平滑用作灯照明电源的商用电源。解决方案：使用将商用电源整流和平滑作为灯点亮电源的电源部分的放电灯点亮装置检测从电源部分提供的电源的电压波动，将检测到的电压叠加在检测电压的放电灯电流检测电路或参考电压，并且控制放电电流恒定。可以根据放电灯电压或放电灯功率输出来控制电源的检测电压的叠加比。版权所有（C）2006，JPO＆NCIPI

6. 发明专利

JP2003077689A Discharge lamp lighting device 审中-公开
标题翻译：放电灯照明装置
公开(公告)号：JP2003077689A
公开(公告)日：2003-03-14
申请号：JP2001263608
申请日：2001-08-31
申请人： Matsushita Electric Works Ltd , 松下電工株式会社
发明人： WATANABE HIROSHI , HASEGAWA JUNICHI , NAKADA KATSUYOSHI
IPC分类号： G03B21/14 , H04N9/31 , H05B41/00 , H05B41/16 , H05B41/18 , H05B41/24
摘要： PROBLEM TO BE SOLVED: To reduce switching loss in a polarity inversion circuit portion by decreasing the number of polarity inversions, and suppress pole degradation of the discharge lamp by equalizing usage rate of a negative electrode with that of positive electrode, thereby improving life of the discharge light, in a discharge lamp lighting device in which the polarity is inversed with an input signal in synchronization with timing of light of the lamp passing through a boundary portion of each color of a color filter. SOLUTION: The number of the polarity inversions is reduced by adding a dividing circuit to the polarity inversion circuit control circuit for enabling the polarity inversion circuit to perform polarity inversion control in synchronization with the input signal which switches a voltage level with the timing when an output light of the discharge light illuminates each boundary portion of a rotary color filter. The input signal is divided for example into one polarity during a period where the output light of the discharge light illuminates one of colors of the rotary color filter, and the other polarity during a period where the output light of the discharge light illumines a plurality of colors of the rotary color filter.
摘要翻译：要解决的问题：通过减少极性反转的数量来减少极性反转电路部分的开关损耗，并且通过使负极的使用率与正极的使用率相等来抑制放电灯的极的劣化，从而提高了在通过滤色器的每种颜色的边界部分的灯的时间同步的同时，输入信号反转极性的放电灯点亮装置中放电。解决方案：通过向极性反转电路控制电路添加分频电路来减少极性反转的数量，使得极性反转电路能够与输出信号同步地进行极性反转控制，该输入信号与输出放电光的光照射旋转滤色器的每个边界部分。在放电灯的输出光照亮旋转滤色器的颜色之一的期间，在放电灯的输出光照射多个的周期的期间，将输入信号分割为一个极性旋转彩色滤光片的颜色。

7. 发明专利

JP2007005217A Discharge lamp lighting device and image display device 审中-公开
标题翻译：放电灯照明装置和图像显示装置
公开(公告)号：JP2007005217A
公开(公告)日：2007-01-11
申请号：JP2005186317
申请日：2005-06-27
申请人： Matsushita Electric Works Ltd , 松下電工株式会社
发明人： NAKADA KATSUYOSHI , KONISHI YOJI , KISHIMOTO AKIHIRO , HASEGAWA JUNICHI , WATANABE HIROSHI
IPC分类号： H05B41/24 , H02M7/5387 , H05B41/231
摘要： PROBLEM TO BE SOLVED: To improve a lamp service life without degrading startability and to allow miniaturization and cost reduction, in a discharge lamp lighting device for lighting a high-pressure discharge lamp by an inverter circuit. SOLUTION: This discharge lamp lighting device is so structured that power control is executed by inputting D.C. power 1 to a converter circuit 2; the output of the converter circuit 2 is input to an inverter circuit 3; and a discharge lamp La is connected to the output end of the inverter circuit 3 to light it with rectangular waves in stationary time. In the discharge lamp lighting device, the discharge lamp La is connected to the output end of the inverter circuit 3 through an inductor L2, and a capacitor C2 is connected in parallel with a series circuit of the discharge lamp La and the inductor L2. The inverter circuit 3 is operated with high frequency at least at startup and a nearly-rectangular wave voltage is applied to the discharge lamp La until discharge is started. COPYRIGHT: (C)2007,JPO&INPIT
摘要翻译：解决的问题：为了提高灯的使用寿命而不降低可启动性并且允许小型化和降低成本，在用于通过逆变器电路照亮高压放电灯的放电灯点亮装置中。
解决方案：该放电灯点亮装置的结构使得通过向转换器电路2输入直流电源1来执行功率控制; 转换器电路2的输出被输入到反相器电路3; 并且放电灯La连接到逆变器电路3的输出端，以在固定时间内以矩形波照明。在放电灯点亮装置中，放电灯La通过电感器L2连接到逆变器电路3的输出端，电容器C2与放电灯La和电感器L2的串联电路并联连接。逆变器电路3至少在启动时以高频率运行，并且将近矩形波电压施加到放电灯La直到放电开始。版权所有（C）2007，JPO＆INPIT

8. 发明专利

JP2006236708A Discharge lamp lighting device 审中-公开
标题翻译：放电灯照明装置
公开(公告)号：JP2006236708A
公开(公告)日：2006-09-07
申请号：JP2005048024
申请日：2005-02-23
申请人： Matsushita Electric Works Ltd , 松下電工株式会社
发明人： HASEGAWA JUNICHI , KONISHI YOJI , KISHIMOTO AKIHIRO , WATANABE HIROSHI , NAKADA KATSUYOSHI
IPC分类号： F21V29/00 , F21V23/02 , F21Y101/00
摘要： PROBLEM TO BE SOLVED: To provide a discharge lamp lighting device having raised heat dissipation which is supplied electric power from a DC power source, and turns on a discharge lamp used for a light source of a projector or a rear projection television.
SOLUTION: The discharge lamp lighting device includes a lighting circuit block 1 with circuit components 3 of the lighting circuit on a mother board 2a for supplying the electric power from the DC to the discharge lamp, and a case 4 which contains the lighting circuit block 1 in its inside. The case 4 consists of a longwise boxy body 5 having an opening on its top, and a cover 6 which is attached to the opening to cover it. In the inside of the body 5, insulating filler 7 with good heat conductivity is filled in such a way that it covers at least the circuit components 3 of the lighting circuit. Consequently, the heat generated by heat generating components is conducted via the filler 7, and the high temperatures of the heat generating components can be reduced.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：提供一种从直流电源供电的升高的散热放电灯点亮装置，并且接通投影仪或背投电视的光源所使用的放电灯。解决方案：放电灯点亮装置包括：发光电路块1，其具有用于从DC向放电灯提供电力的母板2a上的点亮电路的电路部件3;以及包含照明的壳体4 电路块1在其内部。壳体4包括在其顶部具有开口的长方体形的本体5和附接到开口以覆盖其的盖6。在本体5的内部，填充具有良好导热性的绝缘填料7，至少覆盖照明电路的电路部件3。因此，由发热部件产生的热量经由填料7进行，能够降低发热部件的高温。版权所有（C）2006，JPO＆NCIPI

9. 发明专利

JP2005327744A Discharge lamp lighting device and projector 有权
标题翻译：放电灯照明设备和投影仪
公开(公告)号：JP2005327744A
公开(公告)日：2005-11-24
申请号：JP2005216382
申请日：2005-07-26
申请人： Matsushita Electric Works Ltd , 松下電工株式会社
发明人： SASAKI TOSHIAKI , KONISHI YOJI , HASEGAWA JUNICHI , WATANABE HIROSHI , NAKADA KATSUYOSHI
IPC分类号： H05B41/24
摘要： PROBLEM TO BE SOLVED: To provide a discharge lamp lighting device in which occurrence of flicker and deterioration of an electrode are suppressed. SOLUTION: A DC-DC converter circuit 1 equipped with a switching element Q1 makes the power supply to a discharge lamp La vary which is a high brightness discharge lamp. ON-OFF of the switching element Q1 of the DC-DC converter circuit 1 is controlled by a control circuit 3. The control circuit 3 controls ON-OFF of the switching element Q1 of the DC-DC converter circuit 1 with a constant power mode in which the constant power is supplied to the discharge lamp La at the time of a stable lighting of the discharge lamp La. Furthermore, the control circuit 3 selects a high power supply mode in which a larger power than the power supplied in the constant power supply mode is supplied from the DC-DC circuit 1 to the discharge lamp La, provided that occurrence of flickering is detected by a flicker detecting part 11 during the lighting period of the discharge lamp La. COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：解决的问题：提供抑制闪烁发生和电极劣化的放电灯点亮装置。
解决方案：配备有开关元件Q1的DC-DC转换器电路1使得放电灯La的电源变化，其是高亮度放电灯。 DC-DC转换器电路1的开关元件Q1的导通截止由控制电路3控制。控制电路3以恒定功率模式控制DC-DC转换器电路1的开关元件Q1的导通其中在放电灯La的稳定点亮时向放电灯La提供恒定功率，此外，控制电路3选择高功率模式，其中功率大于以恒定功率供给的功率如果在放电灯La的点亮期间由闪烁检测部11检测到闪烁的发生，则从DC-DC电路1向放电灯La提供供电模式。（C）2006， JPO＆NCIPI

10. 发明专利

JP2005038815A Discharge lamp lighting device and projector 有权
标题翻译：放电灯照明设备和投影仪
公开(公告)号：JP2005038815A
公开(公告)日：2005-02-10
申请号：JP2004048644
申请日：2004-02-24
申请人： Matsushita Electric Works Ltd , 松下電工株式会社
发明人： WATANABE HIROSHI , KONISHI YOJI , HASEGAWA JUNICHI , NAKADA KATSUYOSHI , SASAKI TOSHIAKI
IPC分类号： H05B41/24 , H02M7/48
CPC分类号： H05B41/2928 , H05B41/2882 , Y02B20/208
摘要： PROBLEM TO BE SOLVED: To provide a discharge lamp lighting device in which temperatures in an electrode and a bulb are maintained in an appropriate state by a simple control, and in which generation of flicker or deterioration of the electrode is suppressed. SOLUTION: A DC-DC converting circuit 1 provided with a switching element Q1 changes a supplied electric power to the discharge lamp La which is a high brightness discharge lamp. An ON/OFF operation of the switching element Q1 of the DC-DC converting circuit 1 is controlled by a control circuit 3. The control circuit 3 controls the ON/OFF operation of the switching element Q1 of the DC-DC converting circuit 1 by a constant power mode in which the constant power is supplied to the discharge lamp La during a stable lighting period of the discharge lamp La. Furthermore, during a lighting period of the discharge lamp La, the control circuit 3 can select a high power mode in which a larger electric power than that supplied during the constant power mode is supplied to the discharge lamp La from the DC-DC converting circuit 1. COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：解决的问题：提供一种通过简单的控制将电极和灯泡中的温度保持在适当状态的放电灯点亮装置，并且抑制了电极的闪烁或劣化的产生。解决方案：设置有开关元件Q1的DC-DC转换电路1将提供的电力改变为作为高亮度放电灯的放电灯La。 DC-DC转换电路1的开关元件Q1的ON / OFF操作由控制电路3控制。控制电路3通过以下方式控制DC-DC转换电路1的开关元件Q1的ON / OFF操作：在放电灯La的稳定点亮期间向放电灯La供给恒定功率的恒定功率模式，此外，在放电灯La的点亮期间，控制电路3可以选择高功率模式与DC-DC变换电路1相比，在恒定功率模式下供给的功率大于放电灯La的功率。（C）2005，JPO＆NCIPI

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