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Low Power Metal Halide DC Lamp

A metal halide, low-power technology, which is applied to the components of gas discharge lamps, etc., can solve the problems of shortening the service life of DC lamps, unstable light, and unstable use, and achieve stable light output, stable arc, The effect of prolonging life

Active Publication Date: 2016-01-13
CHANGZHOU NEWPHENIX LIGHTING MFR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the halides filled in the light-emitting arc tubes of the existing metal halide DC lamps, such DC lamps tend to flicker during use, and the light cannot be stabilized, which brings instability to use, and due to the flicker phenomenon Existence, it is also easy to shorten the service life of the DC lamp

Method used

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  • Low Power Metal Halide DC Lamp
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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] A light-emitting arc tube made of quartz glass with an outer diameter of 6.0mm, a length of 7.2mm, and a wall thickness of 1.0mm, and a cathode with a diameter of 0.1mm and an anode with a diameter of 0.2mm enclosed therein form a discharge chamber 11 in the light-emitting arc tube. The discharge distance between the anodes is 4.0mm; before sealing the discharge chamber, add 0.7mg of mercury, ScI 3 :NaI:ThI 4 =22:75: After 3 grains of metal halides with a weight of 0.2 mg and zinc iodide of 0.05 mg, xenon gas with a pressure of 6 atmospheres is filled through high vacuum exhaust, and then the discharge chamber is sealed to make the discharge chamber in Vacuum-sealed state; the two electrodes are connected to the light-emitting arc tube through the non-matching airtight sealing characteristics of the molybdenum sheet, and the electrical connection to the molybdenum sheet is completed by the lead wire of the molybdenum rod; the width of the molybdenum sheet is 1.5mm, and ...

Embodiment 2

[0027] A light-emitting arc tube made of quartz glass with an outer diameter of 7.0mm, a length of 8.5mm, and a wall thickness of 1.2mm, and a cathode with a diameter of 0.25mm and an anode with a diameter of 0.4mm enclosed therein form a discharge chamber 11 in the light-emitting arc tube. The discharge distance between the anodes is 4.8mm; before sealing the discharge chamber, add 0.9mg of mercury, 0.2mg of TLI metal halide, and 0.05mg of zinc iodide into the discharge chamber, and then discharge through high vacuum The gas is filled with xenon gas at 4.5 atmospheres, and then the discharge chamber is sealed to make the discharge chamber in a vacuum-sealed state; the two electrodes are connected to the light-emitting arc tube through the non-matching airtight sealing characteristics of the molybdenum sheet, and are lead by the molybdenum rod Complete the electrical connection with the molybdenum sheet; the width of the molybdenum sheet is 2.0mm, and the thickness is 0.024mm; ...

Embodiment 3

[0029]A light-emitting arc tube made of quartz glass with an outer diameter of 5.5 mm and a wall thickness of 1 mm, and a cathode with a diameter of 0.15 mm and an anode with a diameter of 0.25 mm enclosed in it form a discharge chamber 11 in the light-emitting arc tube, and the discharge between the cathode and the anode The distance is 3.5mm; before sealing the discharge chamber, add 0.6mg of mercury, 0.25mg of InI metal halide and 0.1mg of zinc iodide into the discharge chamber, and then fill 6.5 cells with high vacuum exhaust. Atmospheric xenon gas, and then seal the discharge chamber so that the discharge chamber is in a vacuum-sealed state; the two electrodes are connected to the light-emitting arc tube through the non-matching airtight sealing characteristics of the molybdenum sheet, and the molybdenum rod lead wire completes the connection with the molybdenum sheet Electrical connection; the width of the molybdenum sheet is 1.0mm, and the thickness is 0.023mm; then put ...

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Abstract

The invention belongs to the technical field of illumination of light sources, and particularly relates to a small-power metal halide direct current lamp which is stable in arc and can work under a direct current stabilizer. The small-power metal halide direct current lamp comprises a quartz bubble shell, wherein a sealed light-emitting arc tube is arranged in the quartz bubble shell, a cathode and an anode are arranged in the sealed light-emitting arc tube, one end of the cathode extends into the light-emitting arc tube, the anode is matched with the cathode, the other end of the cathode and the other end of the anode are located in the quartz bubble shell and are connected with molybdenum sheets respectively, the molybdenum sheets are connected with molybdenum rod leads respectively, the molybdenum rod leads extend out of the quartz bubble shell, the light-emitting arc tube is filled with stuffing, the stuffing comprises 3-6.5 atmospheres of xenon, 0.5-0.9mg of mercury, zinc iodide and one or more of metal halide DyI3, DyBr3, HoBr3, NdI3, CsI, InI, NaI, ScI3, ThI4 and T1I. The small-power metal halide direct current lamp can output stable light rays, bring convenience to using and reduce using cost of users, and is long in service life.

Description

technical field [0001] The invention belongs to the technical field of power supply lighting, and in particular relates to a low-power metal halide direct current lamp with stable electric arc which can work under a direct current stabilizer. Background technique [0002] The light-emitting arc of metal halide DC lamps is short. It is necessary to install the lamps into a projection reflector to focus on the position, and then make full use of the principle of light reflection to better improve the utilization rate of light from the bulb. Therefore, it is successfully used for orientation The search source for lighting. The luminous efficiency of metal halide lamps is 6-10 times that of traditional tungsten light sources, and its power is 10-20 times higher than that of tungsten lamps, that is, the same size of light-emitting area, low-power metal halide lamps can output high Dozens to hundreds of times the luminous flux, so this type of light source is especially suitable ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J61/12
Inventor 黄忠泽丁新凤方慧
Owner CHANGZHOU NEWPHENIX LIGHTING MFR
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