会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 42. 发明申请
    • Low frequency inverter fed by a high frequency ac current source
    • 低频逆变器由高频交流电源馈电
    • US20050110431A1
    • 2005-05-26
    • US10502249
    • 2003-01-30
    • Shmuel Ben-Yaakov
    • Shmuel Ben-Yaakov
    • H02M3/337H05B41/288H05B41/38H05B37/02
    • H02M3/3372H02M2001/007H05B41/2881H05B41/2886H05B41/2888H05B41/386Y02B20/202
    • Apparatus driven by high-frequency AC current source, for driving an electric load with low-frequency AC current, that comprises a current splitting inductor, for generating, from the high-frequency current source, a first and a second high-frequency AC current sources; a rectifier, coupled to the splitting inductor, consisting of rectifying diodes for rectifying the first and second high-frequency current sources, and capacitors, charged by the diodes, the capacitors being corresponding to the first and second DC current sources; a controllable half-bridge commutator having a first and a second control inputs, the commutator being coupled to the DC current sources, for commutating the DC current sources, for allowing to generate, from the DC current sources, the low-frequency AC current required for driving the electric load; and a control circuitry, having a first and a second outputs, the outputs being coupled to the first and second control inputs, respectively, and outputting two complimentary pulse trains, each of which having a frequency being automatically adjusted according to the operating conditions of the electric load, for controlling the switching time of the commutator, thereby causing the commutator to alternately change the direction of the current passing through the electric load.
    • 由高频交流电源驱动的装置,用于驱动具有低频交流电流的电负载,其包括分流电感器,用于从高频电流源产生第一和第二高频交流电流 来源 整流器,耦合到分离电感器,由用于整流第一和第二高频电流源的整流二极管和由二极管充电的电容器组成,电容器对应于第一和第二DC电流源; 具有第一和第二控制输入的可控半桥换向器,换向器耦合到直流电流源,用于换向直流电流源,以允许从直流电源产生所需的低频交流电流 用于驱动电力负载; 以及具有第一和第二输出的控制电路,所述输出分别耦合到所述第一和第二控制输入,并且输出两个互补的脉冲序列,每个所述脉冲序列的频率根据所述第一和第二控制输入的操作条件被自动调整 电负载,用于控制换向器的开关时间,从而使换向器交替地改变通过电负载的电流的方向。
    • 44. 发明申请
    • Discharge lamp illumination circuit
    • 放电灯照明电路
    • US20050062434A1
    • 2005-03-24
    • US10915079
    • 2004-08-10
    • Takao MuramatsuMasayasu Ito
    • Takao MuramatsuMasayasu Ito
    • H05B41/24H01F38/08H05B41/04H05B41/18H05B41/288H05B37/02
    • H05B41/2881H05B41/042Y02B20/204
    • A discharge lamp illumination circuit 1 has a DC-AC conversion circuit 3 which effects AC conversion and boosting upon receipt of a DC input, and a starter circuit 4 for supplying a start-up signal to a discharge lamp. Power output from the DC-AC conversion circuit 3 is controlled by control means 6, thereby controlling illumination of a discharge lamp 10. An AC transformer 7 constituting the DC-AC conversion circuit 3 is provided, and a primary circuit and a secondary circuit, both forming part of the AC transformer 7, are insulated from each other. The start-up signal boosted by the AC transformer 7 is superposed on the AC-converted output, and the resultant signal is supplied to the discharge lamp 10. Thus, the need for a starter transformer specifically designed for startup can be obviated.
    • 放电灯照明电路1具有在接收到DC输入时实现AC转换和升压的DC-AC转换电路3,以及用于向放电灯提供启动信号的起动电路4。 来自DC-AC转换电路3的电力输出由控制装置6控制,从而控制放电灯10的照明。构成DC-AC转换电路3的AC变压器7设置有初级电路和次级电路, 构成交流变压器7的一部分的两者彼此绝缘。 由AC变压器7升压的启动信号叠加在AC转换的输出上,并将所得到的信号提供给放电灯10.因此,可以避免需要专门设计用于起动的起动变压器。
    • 47. 发明申请
    • Discharge lamp illumination circuit
    • 放电灯照明电路
    • US20050035725A1
    • 2005-02-17
    • US10914664
    • 2004-08-09
    • Shinji OhtaMasayasu Ito
    • Shinji OhtaMasayasu Ito
    • H05B41/24H05B41/18H05B41/288H05B41/38H05B41/16
    • H05B41/382H05B41/2883Y10S315/07
    • A discharge lamp illumination circuit 1 has a DC-AC conversion circuit 3, which effects DC-AC conversion and boosting upon receipt of a DC input, and a starter circuit 4. Power output from the DC-AC conversion circuit 3 is controlled by means of control means 6. The DC-AC conversion circuit 3 has an AC conversion transformer 7; a plurality of switching elements 5H and 5L; and a resonance capacitor 8. The switching elements are activated by the control means 6, thereby causing serial resonance between the resonance capacitor 8 and a leakage inductance component of the AC conversion transformer 7, or between the resonance capacitor 8 and an inductance component 9 connected to the resonance capacitor 8. Provided that a resonance frequency achieved during an extinction period of the discharge lamp 10 is denoted as f1, the operating frequency is first regulated to a frequency level deviating from f1 and then gradually reduced so as to approach f1 in connection with a no-load voltage which is applied to the discharge lamp before illuminating.
    • 放电灯照明电路1具有DC-AC转换电路3,其在接收DC输入时实现DC-AC转换和升压,以及起动电路4.来自DC-AC转换电路3的输出的功率由装置 DC-AC转换电路3具有AC变换变压器7; 多个开关元件5H和5L; 和谐振电容器8.开关元件由控制装置6启动,由此引起谐振电容器8与交流转换变压器7的漏电感分量之间或谐振电容器8和连接的电感元件9之间的串联谐振 假设在放电灯10的消光期间实现的谐振频率为f1,则将工作频率首先调节到与f1相反的频率水平,然后逐渐减小,以便在连接中接近f1 具有在照明之前施加到放电灯的空载电压。
    • 50. 发明授权
    • Device and process for lighting discharge lamp
    • 照明放电灯的装置和工艺
    • US6114815A
    • 2000-09-05
    • US344364
    • 1999-06-25
    • Akira Shinogi
    • Akira Shinogi
    • H05B41/288H05B41/38H05B37/00
    • H05B41/2881H05B41/388Y02B20/204Y10S315/05
    • A device for lighting a discharge lamp comprises a rectifier, a switching circuit having a semiconductor element to be connected to said rectifier; a direct power supplying circuit having a rectifying circuit and filtering circuit each connected to said switching circuit; and a discharge lamp and a starter which are connected after said filtering circuit; said starter having a transformer and a smoothing capacitor for generating a high voltage is provided, which has a circuit having a switching element and a resistance connected in series provided between the smoothing capacitor and said discharge lamp and further has a second capacitor connected parallel to said discharge lamp.
    • 一种用于照明放电灯的装置,包括整流器,具有要连接到所述整流器的半导体元件的开关电路; 一个具有整流电路和滤波电路的每个连接到所述开关电路的直接供电电路; 以及在所述滤波电路之后连接的放电灯和起动器; 提供具有变压器的起动器和用于产生高电压的平滑电容器,其具有电路,该电路具有开关元件和电阻串联连接设置在平滑电容器和放电灯之间,并且还具有与所述电容器并联连接的第二电容器 放电灯