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    • 1. 发明申请
    • DISCHARGE LAMP LIGHTING APPARATUS
    • 放电灯照明设备
    • US20120299504A1
    • 2012-11-29
    • US13477738
    • 2012-05-22
    • Toru KontaniTakashi Yamashita
    • Toru KontaniTakashi Yamashita
    • H01J61/06H05B41/16
    • H01J61/0732H01J61/0735
    • In a discharge lamp lighting apparatus comprising a short arc type discharge lamp and a power supply unit, a relation of the natural frequency fe (Hz) of the electrodes, the ripple frequency fd (Hz) of the alternating current that is supplied to the discharge lamp, and the ripple power Pr (W) of the alternating current, satisfies a formula: Pr ≤  f e - f d  · ( - 0.13 × Vh Va + 3.0 ) , wherein the volume of the electrode head portion is represented as Vh and the volume of the segment of the electrode axis portion that projects into the arc tube is represented as Va. When the alternating current supplied to the discharge lamp satisfies the formula, it is possible to prevent or control damage in the electrode axis portion, since vibration produced in the electrodes during lighting of the discharge lamp is small even if the discharge lamp is lighted for a long time.
    • 在包括短弧型放电灯和电源单元的放电灯点亮装置中,电极的固有频率fe(Hz)的关系,提供给放电的交流电的纹波频率fd(Hz) 灯和交流电的纹波功率Pr(W)满足下列公式:Pr≤attfe -fd·( - 0.13×Vh Va + 3.0),其中电极头部分的体积表示为Vh, 突出于电弧管的电极轴部分的段的体积表示为Va,当供给到放电灯的交流电满足公式时,可以防止或控制电极轴部的损伤,因为振动 即使放电灯长时间点亮,放电灯点亮期间在电极中产生的电极也很小。
    • 2. 发明授权
    • Discharge lamp lighting apparatus
    • 放电灯照明装置
    • US08698411B2
    • 2014-04-15
    • US13477738
    • 2012-05-22
    • Toru KontaniTakashi Yamashita
    • Toru KontaniTakashi Yamashita
    • H01J61/06H05B41/16
    • H01J61/0732H01J61/0735
    • In a discharge lamp lighting apparatus comprising a short arc type discharge lamp and a power supply unit, a relation of the natural frequency fe (Hz) of the electrodes, the ripple frequency fd (Hz) of the alternating current that is supplied to the discharge lamp, and the ripple power Pr (W) of the alternating current, satisfies a formula: Pr ≤  f e - f d  · ( - 0.13 × Vh Va + 3.0 ) , wherein the volume of the electrode head portion is represented as Vh and the volume of the segment of the electrode axis portion that projects into the arc tube is represented as Va. When the alternating current supplied to the discharge lamp satisfies the formula, it is possible to prevent or control damage in the electrode axis portion, since vibration produced in the electrodes during lighting of the discharge lamp is small even if the discharge lamp is lighted for a long time.
    • 在包括短弧型放电灯和电源单元的放电灯点亮装置中,电极的固有频率fe(Hz)的关系,提供给放电的交流电的纹波频率fd(Hz) 灯和交流电的纹波功率Pr(W)满足下列公式:Pr≤attfe -fd·( - 0.13×Vh Va + 3.0),其中电极头部的体积表示为Vh, 突出于电弧管的电极轴部分的段的体积表示为Va,当供给到放电灯的交流电满足公式时,可以防止或控制电极轴部的损伤,因为振动 即使放电灯长时间点亮,放电灯点亮期间在电极中产生的电极也很小。
    • 8. 发明授权
    • High pressure discharge lamp
    • 高压放电灯
    • US08378573B2
    • 2013-02-19
    • US12628452
    • 2009-12-01
    • Toru KontaniKazuhiro Goto
    • Toru KontaniKazuhiro Goto
    • H01J17/18H01J17/04
    • H01J61/0732H01J61/86
    • A high pressure discharge lamp has an electric discharge container with sealing portions formed at both ends of a light emission section, and electrodes made of tungsten. The electrode has a base end which is buried in the sealing portion. Tips of the electrodes face each other in the light emission section. Purity of the tungsten is 99.99% or more. The electrode has a large diameter portion formed at the tip of the electrode and an axis portion whose diameter is smaller than that of the large diameter portion. A part of a surface of the large diameter portion has a concavo-convex structure where a portion having grooves in a circumference direction and a portion having no groove are asymmetrically formed with respect to an axis of the electrode.
    • 高压放电灯具有形成在发光部的两端的密封部以及由钨构成的电极的放电容器。 电极具有埋在密封部分中的基端。 在发光部分中电极的尖端彼此面对。 钨的纯度为99.99%以上。 电极具有形成在电极前端的大直径部分和直径小于大直径部分直径的轴部分。 大直径部分的表面的一部分具有凹凸结构,其中在圆周方向具有凹槽的部分和不具有凹槽的部分相对于电极的轴线不对称地形成。