Metal halide pellet of quartz metal halide lamp and preparation method for metal halide pellet as well as mercury-free quartz metal halide lamp

A technology of metal halide pills and metal halide lamps, which is applied in the manufacture of discharge tubes/lamps, parts of gas discharge lamps, discharge lamps, etc. Good sphericity, excellent photoelectric color comprehensive parameters, and the effect of improving visual effects

Inactive Publication Date: 2015-05-27
OCEANS KING LIGHTING SCI&TECH CO LTD +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

But in fact, there are still very few tungsten atoms that reach the tube wall, before combining with the halogen atoms, they are directly deposited on the tube wall. The l

Method used

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  • Metal halide pellet of quartz metal halide lamp and preparation method for metal halide pellet as well as mercury-free quartz metal halide lamp
  • Metal halide pellet of quartz metal halide lamp and preparation method for metal halide pellet as well as mercury-free quartz metal halide lamp

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0038] Example 1

[0039] A metal halide pellet for a quartz metal halide lamp, which is made of luminescent metal halide; the material of the luminescent metal halide is a combination of sodium iodide, scandium iodide and calcium iodide; in the metal halide pellets iodide The mass ratio of sodium, scandium iodide and calcium iodide is 4:0.6:1.

[0040] The preparation method of the metal halide pellets includes the following steps:

[0041] (1) The above-mentioned luminescent metal halide is weighed in proportion and mixed uniformly to form a mixture, which is placed in a quartz container with a nozzle; the mixture is pre-vacuumed at 110°C for 40 minutes, and the vacuum degree is 0.01Mpa;

[0042] (2) Under the condition of a vacuum of 0.01Mpa, slowly heat the mixture to melt at a heating rate of 1°C / min, and then continue to stir for 20 minutes to spray the molten mixture from the nozzle. The argon gas is rapidly cooled and solidified into a ball during the mass transfer process;

...

Example Embodiment

[0045] Example 2

[0046] A metal halide pellet for a quartz metal halide lamp, which is made of a complex formed by a luminescent metal halide and a buffered metal halide; the material of the luminescent metal halide is a combination of sodium iodide, scandium iodide and calcium iodide The material of the buffered gold halide is a mixture of indium iodide and thulium iodide; the mass ratio of sodium iodide, scandium iodide, calcium iodide, indium iodide and thulium iodide in the gold halide pellets is 4:0.6:1:5:1.

[0047] The preparation method of the metal halide pellets includes the following steps:

[0048] (1) The above-mentioned luminescent metal halide and buffer metal halide are weighed in proportion and mixed uniformly to form a mixture, which is placed in a quartz container with a nozzle; the mixture is pre-vacuum treated at 120°C for 50 minutes, and the vacuum degree is 0.01Mpa;

[0049] (2) Under the condition of a vacuum of 0.01Mpa, slowly heat the mixture at a heating...

Example Embodiment

[0052] Example 3

[0053] A metal halide pellet for a quartz metal halide lamp, which is made of a complex formed by a luminescent metal halide and a buffered metal halide; the material of the luminescent metal halide is a combination of sodium iodide, scandium iodide and calcium iodide The material of the buffered gold halide is a mixture of indium iodide and thulium iodide; the mass ratio of sodium iodide, scandium iodide, calcium iodide, indium iodide and thulium iodide in the gold halide pellets is 8:1.8:1.5:7:2.

[0054] The preparation method of the metal halide pellets includes the following steps:

[0055] (1) The above-mentioned luminescent metal halide and buffer metal halide are weighed in proportion and mixed uniformly to form a mixture, which is placed in a quartz container with a nozzle; the mixture is pre-vacuum treated at 130°C for 50 minutes, and the vacuum degree is 0.01Mpa;

[0056] (2) Under the condition of a vacuum of 0.01Mpa, slowly heat the mixture to melt at...

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Abstract

The invention provides a metal halide pellet of a quartz metal halide lamp. The metal halide pellet is made from a complex compound formed by luminous metal halide and buffer metal halide; luminous metal halide is made from composition of sodium iodide, scandium iodide and calcium iodide, and buffer metal halide is made from a mixture of indium iodide and thulium iodide; a mass ratio of sodium iodide, scandium iodide, calcium iodide, indium iodide and thulium iodide in the metal halide pellet is (4-12):(0.6-2.2):(1-2):(5-10):(1-3). The method provides a preparation method for the metal halide pellet of the quartz metal halide lamp. The invention further discloses a mercury-free quartz metal halide lamp containing the metal halide pellet, and the mercury-free quartz metal halide lamp not only eliminates harm of mercury pollution but also has the advantages of high light efficiency, high color temperature, good color rendering property and stable light flux.

Description

technical field [0001] The invention belongs to the field of electric light sources of metal halide lamps, and in particular relates to a metal halide pellet of a quartz metal halide lamp, a preparation method thereof and a mercury-free quartz metal halide lamp. Background technique [0002] Most of the quartz metal halide lamps currently on the market contain rare gases, metal halides and mercury. The rare gas is generally argon or xenon, and its function is to ensure that the metal halide lamp can be started at a lower voltage. The formed arc will heat the temperature of the arc tube wall to above 800°C, which will promote the rapid evaporation of mercury and metal halide condensed on the tube wall, so that the metal halide lamp enters a stable high-pressure gas discharge stage. [0003] When the metal halide lamp is working normally, the metal halide is the main material for luminescence, and the proportion of mercury and rare gases in the visible light spectrum emitted ...

Claims

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Application Information

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IPC IPC(8): H01J61/12H01J61/30H01J9/00
CPCH01J61/125H01J9/00H01J61/30
Inventor 周明杰段永正
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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