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    • 58. 发明授权
    • Circuit for pulsed operation of a discharge lamp
    • 放电灯的脉冲操作电路
    • US5726537A
    • 1998-03-10
    • US622568
    • 1996-03-25
    • Andreas HuberGuenther Hirschmann
    • Andreas HuberGuenther Hirschmann
    • H05B41/04H05B41/288H05B41/38G05F1/00
    • H05B41/2881H05B41/042H05B41/382Y02B20/204Y10S315/05Y10S315/07
    • To provide for automatic switch-over between a power phase and a holding se in operation of a discharge lamp (EL), a choke or ballast coil (L), serially connected to the discharge lamp, is constructed to have, with respect to current flow therethrough, a non-linear reactance value; the choke or ballast coil is wound on a core which, for example, can be a E-core in which the center leg is of reduced cross-section with respect to the outer legs; or, if one is a torroidal coil on a ring core, the ring core is preferably made of two core elements of different magnetic characteristics, connected together, for example by an adhesive, in which one core element is of low permeability material, such as iron powder or permaloy with high saturation magnetization, and a second core is formed of ferrite with low saturation magnetization. Current flow through the coil and the serially connected lamp is controlled by alternately operating switch elements (S1, S2), typically insulated gate bipolar transistors, to supply power bursts of, for example, between 20 and 30 A during a second operating phase, separated by a first operating phase of between 0.3 A and 0.5 A at a substantially higher frequency than the frequency of the power bursts, and lasting 10 to 30 times as long as the power bursts. An ignition circuit (Z, L-CR) is provided to start or fire the lamp.
    • 为了在放电灯(EL)的操作中提供功率相位和保持相位之间的自动切换,串联连接到放电灯的扼流圈或镇流线圈(L)被构造为具有相对于电流 流过其中,非线性电抗值; 扼流器或镇流器线圈缠绕在例如可以是中心腿相对于外腿的横截面减小的E型芯的芯上; 或者,如果在环形芯上是环形线圈,则环芯优选地由具有不同磁特性的两个核心元件制成,例如通过粘合剂连接在一起,其中一个芯元件是低磁导率材料,例如 具有高饱和磁化强度的铁粉或坡莫洛,第二芯由具有低饱和磁化强度的铁素体形成。 通过线圈和串联连接的灯的电流通过交替操作开关元件(S1,S2)(通常是绝缘栅双极晶体管)来控制,以在第二操作阶段期间提供例如在20和30A之间的功率脉冲串,分离 通过以比功率突发的频率更高的频率在0.3A和0.5A之间的第一操作阶段,并且持续10至30倍的功率突发。 提供点火电路(Z,L-CR)来启动或起动灯泡。
    • 60. 发明授权
    • Operating device and method for the combined operation of gas discharge lamps and semiconductor light sources
    • 气体放电灯和半导体光源组合操作的操作装置和方法
    • US08502458B2
    • 2013-08-06
    • US12532151
    • 2008-02-26
    • Andreas HuberThomas Mudra
    • Andreas HuberThomas Mudra
    • H05B37/00
    • H05B35/00
    • In various embodiments, a dimmable operating device for the combined operation of a gas discharge lamp and a semiconductor light source is provided. The dimmable operating device may be configured such that only the semiconductor light source is operated in the lower dimming range and only the gas discharge lamp is operated in the upper dimming range, and at the changeover points at which one sort of light source out of the semiconductor light source and the gas discharge lamp is switched off or on, at the same time a jump in power is applied to the other light source out of the semiconductor light source and the gas discharge lamp, with the result that the human eye cannot perceive, or can only perceive with difficulty, the changeover point.
    • 在各种实施例中,提供了用于气体放电灯和半导体光源的组合操作的可调光操作装置。 可调光操作装置可以被配置为使得只有半导体光源在较低调光范围内操作,并且仅气体放电灯在上调光范围内操作,并且在转换点处,将一种光源从 半导体光源和气体放电灯关闭或接通,同时向半导体光源和气体放电灯中的另一个光源施加功率跳跃,结果人眼不能察觉 ,或者只能难以察觉转换点。