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公开(公告)号：US06380694B1
公开(公告)日：2002-04-30
申请号：US09667549
申请日：2000-09-22
IPC分类号： H05B3700
CPC分类号： H05B41/2888 , H05B41/2883 , H05B41/382 , Y02B20/204
摘要： A high intensity discharge (HID) lamp driving circuit. The HID lamp driving circuit includes a first pair of switching devices connected to a high frequency resonant filter, and a second pair of switching devices connected to a ripple reducing filter. A HID lamp is connected between the first pair of switching devices and second pair of switching devices, with a dc power supply being connected to the first pair of switching devices and the second pair of switching devices. The first pair of switching devices and the second pair of switching devices are connected to a common ground with the dc power supply. The lamp driving circuit operates in a half bridge topology during a start-up operation mode of the lamp, and operates in a full-bridge topology during a steady-state operation mode of the lamp. The HID lamp driving circuit is operated in an active zero current switching scheme.
摘要翻译： 高强度放电（HID）灯驱动电路。 HID灯驱动电路包括连接到高频谐振滤波器的第一对开关装置和连接到纹波降低滤波器的第二对开关装置。 HID灯连接在第一对开关装置和第二对开关装置之间，直流电源连接到第一对开关装置和第二对开关装置。 第一对开关器件和第二对开关器件通过直流电源连接到公共地。 灯驱动电路在灯的启动操作模式期间以半桥拓扑运行，并且在灯的稳态运行模式期间以全桥拓扑运行。 HID灯驱动电路以有源零电流开关方式工作。
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公开(公告)号：US20080218094A1
公开(公告)日：2008-09-11
申请号：US10585632
申请日：2004-08-31
申请人： Katsuyoshi Nakada , Hirofumi Konishi , Junichi Hasegawa , Koji Watanabe , Kiyoaki Uchihashi , Toshiaki Sasaki
发明人： Katsuyoshi Nakada , Hirofumi Konishi , Junichi Hasegawa , Koji Watanabe , Kiyoaki Uchihashi , Toshiaki Sasaki
IPC分类号： H05B37/02
CPC分类号： H05B41/2883
摘要： A discharge lamp ballast. Its starting means comprises a second inductor connected between a first end of a discharge lamp and the positive voltage side of a first capacitor; a second capacitor forming a resonance circuit together with the second inductor; a second switching element connected between the positive terminal of a DC power source and the second end of the lamp; a third switching element connected between the second end of the lamp and the negative voltage side of the first capacitor; and a starting control means that controls both switching elements. The starting control means alternately turns both switching elements on and off so as to contribute resonance voltage of the resonance circuit for starting of the lamp in case of the starting mode. According to the invention, noise from the starting means can be reduced.
摘要翻译： 放电灯镇流器。 其启动装置包括连接在放电灯的第一端和第一电容器的正电压侧之间的第二电感器; 与所述第二电感器一起形成谐振电路的第二电容器; 连接在直流电源的正端子和灯的第二端之间的第二开关元件; 连接在灯的第二端和第一电容器的负电压侧之间的第三开关元件; 以及控制两个开关元件的启动控制装置。 启动控制装置交替地使两个开关元件接通和关断，以便在启动模式的情况下提供用于启动灯的谐振电路的谐振电压。 根据本发明，可以减少来自启动装置的噪声。
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公开(公告)号：US20060055341A1
公开(公告)日：2006-03-16
申请号：US10542415
申请日：2004-01-16
申请人： Koji Watanabe , Kiyoaki Uchihashi , Hisaji Ito , Toshiaki Sasaki , Junichi Hasegawa , Katsuyoshi Nakada
发明人： Koji Watanabe , Kiyoaki Uchihashi , Hisaji Ito , Toshiaki Sasaki , Junichi Hasegawa , Katsuyoshi Nakada
IPC分类号： H05B37/02
CPC分类号： H05B41/2928 , H05B41/386
摘要： In a chopper circuit, output power is controllable with a direct current power source as a power source, and a smoothing capacitor is connected between output terminals of the chopper circuit. A polarity inversion circuit applies an alternating voltage to a high pressure discharge lamp with a voltage across the smoothing capacitor as a power source. The output power of the chopper circuit and an inversion frequency of the polarity inversion circuit are controlled by a control circuit based upon a terminal voltage of the smoothing capacitor, which is detected by a voltage detecting circuit. In the control circuit, a switch voltage is set for defining a range of voltages detected by the voltage detecting circuit, and the inversion frequency is changed in plural stages according to the magnitude relation between the detected voltage and the switch voltage. The inversion frequency corresponding to electric power applied to the high pressure discharge lamp is set with respect to each range of lamp voltages, to thereby inhibit occurrence of an arc jump.
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公开(公告)号：US07511432B2
公开(公告)日：2009-03-31
申请号：US10542415
申请日：2004-01-16
申请人： Koji Watanabe , Kiyoaki Uchihashi , Hisaji Ito , Toshiaki Sasaki , Junichi Hasegawa , Katsuyoshi Nakada
发明人： Koji Watanabe , Kiyoaki Uchihashi , Hisaji Ito , Toshiaki Sasaki , Junichi Hasegawa , Katsuyoshi Nakada
CPC分类号： H05B41/2928 , H05B41/386
摘要： In a chopper circuit, output power is controllable with a direct current power source as a power source, and a smoothing capacitor is connected between output terminals of the chopper circuit. A polarity inversion circuit applies an alternating voltage to a high pressure discharge lamp with a voltage across the smoothing capacitor as a power source. The output power of the chopper circuit and an inversion frequency of the polarity inversion circuit are controlled by a control circuit based upon a terminal voltage of the smoothing capacitor, which is detected by a voltage detecting circuit. In the control circuit, a switch voltage is set for defining a range of voltages detected by the voltage detecting circuit, and the inversion frequency is changed in plural stages according to the magnitude relation between the detected voltage and the switch voltage. The inversion frequency corresponding to electric power applied to the high pressure discharge lamp is set with respect to each range of lamp voltages, to thereby inhibit occurrence of an arc jump.
摘要翻译： 在斩波电路中，输出功率由直流电源作为电源控制，平滑电容器连接在斩波电路的输出端子之间。 极性反转电路将交流电压施加到具有作为电源的平滑电容器两端的电压的高压放电灯。 斩波电路的输出功率和极性反转电路的反转频率由基于由电压检测电路检测的平滑电容器的端子电压的控制电路来控制。 在控制电路中，设定用于定义电压检测电路检测出的电压范围的开关电压，根据检测电压与开关电压之间的大小关系，反转频率变化多级。 相对于每个灯电压范围设定对应于施加到高压放电灯的电力的反转频率，从而抑制电弧跳跃的发生。
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公开(公告)号：US4734624A
公开(公告)日：1988-03-29
申请号：US883803
申请日：1986-07-09
申请人： Haruo Nagase , Kiyoaki Uchihashi
发明人： Haruo Nagase , Kiyoaki Uchihashi
IPC分类号： H05B41/292 , H05B37/00 , H05B39/04
CPC分类号： H05B41/2928 , Y02B20/208 , Y10S315/02 , Y10S315/05 , Y10S315/07
摘要： A circuit for operating a discharge lamp at a low frequency AC voltage while repetitively interrupting at a high frequency the voltage component to be applied to the lamp. The circuit includes at least one switching transistor for repetitively interrupting the voltage to be applied to the lamp at the high frequency, for example, 40 KHz so as to allow the use of a light and less bulky inductor as the current limiting conductor to be connected in series with the lamp. A bridge inverter is provided to have at least one pair of switching transistors for alternately reversing a DC voltage to apply the resulting AC voltage to the lamp at the low frequency, for example, 100 Hz low enough to stably operate the lamp without suffering from acoustic resonance. The high frequency component is bypassed through a bypass capacitor connected in parallel with the lamp. By reason of the inverter producing the low frequency AC voltage, the circuit requires all-off period during which the switching transistors of the bridge inverter are simultaneously off for preventing the short circuiting of the power source. An oscillation-inducing inductor is connected in series with the lamp in parallel relation to the bypass capacitor so as to form a series oscillating circuit which causes to flow an alternating oscillating current to the lamp circuit throughout the all-off period. The resulting oscillating lamp current continues for a longer time to thereby retard the deionization of the lamp. Accordingly, the all-off time can be extended to such an extent as to give greater flexibility in designing the circuit which is free from short circuiting of the power source as well as from the increased reignition voltage.
摘要翻译： 一种用于在低频AC电压下操作放电灯的电路，同时以高频重复中断施加到灯的电压分量。 该电路包括至少一个开关晶体管，用于以高频（例如40KHz）重复地中断施加到灯的电压，以便允许使用光和较小体积的电感器作为限流导体连接 与灯串联。 桥式逆变器被提供以具有至少一对开关晶体管，用于交替地反向DC电压以将所得到的AC电压以低频（例如100Hz）施加到足够低以稳定地操作灯而不会受到声音 谐振。 高频分量旁路通过与灯并联连接的旁路电容。 由于逆变器产生低频交流电压，电路需要全部关闭时段，在此期间桥式逆变器的开关晶体管同时关断，以防止电源短路。 振荡感应电感器与灯并联连接到旁路电容器，以形成串联振荡电路，其在整个整个周期期间使交流的振荡电流流过灯电路。 所产生的振荡灯电流持续较长的时间，从而延迟灯的去离子。 因此，可以将充足的时间延长到在设计不具有电源短路以及增加的重新点火电压的电路方面更大的灵活性。
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公开(公告)号：US07692391B2
公开(公告)日：2010-04-06
申请号：US10585632
申请日：2004-08-31
申请人： Katsuyoshi Nakada , Hirofumi Konishi , Junichi Hasegawa , Koji Watanabe , Kiyoaki Uchihashi , Toshiaki Sasaki
发明人： Katsuyoshi Nakada , Hirofumi Konishi , Junichi Hasegawa , Koji Watanabe , Kiyoaki Uchihashi , Toshiaki Sasaki
IPC分类号： H05B41/36
CPC分类号： H05B41/2883
摘要： A discharge lamp ballast having a starting circuit including a second inductor connected between a first end of a discharge lamp and the positive voltage side of a first capacitor; a second capacitor forming a resonance circuit together with the second inductor; a second switching element connected between the positive terminal of a DC power source and the second end of the lamp; a third switching element connected between the second end of the lamp and the negative voltage side of the first capacitor; and a starting controller that controls both switching elements. The starting controller alternately turns both switching elements on and off so as to contribute resonance voltage of the resonance circuit for starting of the lamp in case of the starting mode.
摘要翻译： 一种具有启动电路的放电灯镇流器，包括连接在放电灯的第一端和第一电容器的正电压侧之间的第二电感器; 与所述第二电感器一起形成谐振电路的第二电容器; 连接在直流电源的正端子和灯的第二端之间的第二开关元件; 连接在灯的第二端和第一电容器的负电压侧之间的第三开关元件; 以及控制两个开关元件的启动控制器。 启动控制器交替地使两个开关元件接通和关断，以便在启动模式的情况下提供用于启动灯的谐振电路的谐振电压。
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公开(公告)号：US5932976A
公开(公告)日：1999-08-03
申请号：US783557
申请日：1997-01-14
IPC分类号： H05B41/24 , H05B41/231 , H05B41/288 , H05B41/38 , G05F1/00
CPC分类号： H05B41/288 , H05B41/2883 , H05B41/2888 , H05B41/388 , Y02B20/204 , Y10S315/05 , Y10S315/07
摘要： A discharge lamp driving circuit includes DC voltage input connections, lamp driving connections, bridge circuitry, and control circuitry. The bridge circuitry is connected to the DC voltage input connections and to the lamp driving connections and includes circuit elements which in one mode of operation deliver a higher frequency AC voltage to the lamp driving connections and in another mode of operation deliver a lower frequency AC voltage to the lamp driving connections. The control circuitry is connected to control the bridge circuitry selectively as either a half-bridge to deliver the higher frequency AC voltage to the lamp driving connections during starting or a full-bridge to deliver only the lower frequency AC operating voltage to the lamp while the lamp is operating normally after starting. A low frequency driver and a high frequency driver are connected to drive the bridge circuitry.
摘要翻译： 放电灯驱动电路包括直流电压输入连接，灯驱动连接，桥接电路和控制电路。 桥接电路连接到直流电压输入连接和灯驱动连接，并且包括电路元件，其在一种操作模式中向灯驱动连接提供较高频率的交流电压，并且在另一种操作模式中提供较低频率的交流电压 到灯驱动连接。 控制电路被连接以选择性地控制桥式电路作为半桥，以在启动期间将全高桥交流电压提供给灯驱动连接或全桥以将仅较低频率的交流工作电压传送到灯，同时 灯起动后运行正常。 连接低频驱动器和高频驱动器来驱动桥式电路。
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公开(公告)号：US5469027A
公开(公告)日：1995-11-21
申请号：US321824
申请日：1994-10-06
IPC分类号： H05B41/282 , H05B41/288 , H05B41/38 , H05B37/02
CPC分类号： H05B41/386 , H05B41/2882 , Y10S315/07
摘要： A device for operating a high pressure gas discharge lamp with an electronic ballast having a lamp power factor of substantially 1.0. The device utilizes a lamp equi-luminescence performance curve X which is obtained for the lamp to give a lamp voltage and a lamp wattage that can vary along the curve X while keeping an arc luminescence of an arc developing between electrodes of the lamp at substantially constant level. The arc luminescence is defined as a maximum luminescence of the arc having varying luminescence along the length of the arc. The constant level determined to be the luminescence that the lamp gives at the rated lamp voltage. The curve X is analyzed to determine a specific lamp voltage Va at which curve X gives a maximum lamp wattage Wa. The lamp is operated in accordance with a first load characteristic for controlling to increase the lamp wattage substantially along the lamp performance curve X until the lamp voltage increases to the specific lamp voltage Va. After the lamp voltage increases beyond the specific lamp voltage Va, the lamp is operated in accordance with a second load characteristic for controlling to keep the lamp wattage above the lamp performance curve X but not exceeding the maximum lamp wattage Wa as well as to keep the arc luminescence below a predetermined limit level.
摘要翻译： 一种用于操作具有灯功率因数基本上为1.0的电子镇流器的高压气体放电灯的装置。 该装置利用灯等效发光性能曲线X，其为灯提供灯电压和灯功率，其可沿着曲线X变化，同时保持电弧的电弧发光在灯的电极之间基本恒定 水平。 电弧发光被定义为具有沿电弧长度变化的发光的电弧的最大发光。 恒定电平被确定为灯在额定灯电压下产生的发光。 分析曲线X以确定曲线X给出最大灯瓦数Wa的特定灯电压Va。 该灯根据第一负载特性进行操作，用于控制基本上沿着灯性能曲线X增大灯功率，直到灯电压升高到特定灯电压Va，在灯电压增加超过特定灯电压Va之后， 灯根据第二负载特性进行操作，用于控制以将灯功率保持在灯性能曲线X上方但不超过最大灯瓦数Wa以及将电弧发光保持在预定极限水平以下。
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