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Ceramic Metal Halide Lamp Electrode Fusion Sealing Positioning Structure

A technology of ceramic metal halide lamp and positioning structure, applied in the field of lighting, can solve the problems of poor bonding ability between inner tube and electrode, uneven sealing thickness of inner tube, affecting product quality, etc., to solve the problem of difficult positioning, high production efficiency, The effect of improving quality

Active Publication Date: 2016-03-09
朱惠冲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, at present, during the electrode fusion sealing process of the inner tube 1 of the ceramic metal halide lamp, a stopper 3 is first arranged on the electrode rod 2, such as figure 1 As shown, its function is to position the electrode rod to prevent the electrode from sliding back and forth; however, in actual production, due to the large gap between the inner diameter of the inner tube fusion seal section and the outer diameter of the electrode wire, the electrode rod is prone to flip up and down during glue filling (like figure 2 As shown), the sealing thickness of the inner tube is uneven, the bonding ability between the inner tube and the electrode is poor, and air leakage is easy to occur, which seriously affects the quality of the product. Therefore, how to provide a method that can ensure the electrode melting of the ceramic metal halide lamp The structure and method of sealing quality have become the subject being discussed by technicians in this field

Method used

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  • Ceramic Metal Halide Lamp Electrode Fusion Sealing Positioning Structure
  • Ceramic Metal Halide Lamp Electrode Fusion Sealing Positioning Structure
  • Ceramic Metal Halide Lamp Electrode Fusion Sealing Positioning Structure

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Embodiment 1

[0027] Such as image 3 , Figure 5 with Image 6 As shown, a ceramic metal halide lamp electrode welding and positioning structure, which includes a positioning sleeve 4 arranged in the sealing section of the inner tube 1 of the ceramic metal halide lamp, and the electrode rod 2 is fixed in the inner tube 1 through the positioning sleeve 4 . In this embodiment, the positioning sleeve is set at 1-3 mm outside the welding point of the electrode rod 2 and its molybdenum sheet 5, and the electrode rod 2 is set at the center of the inner tube 1 to ensure that the position deviated from the central axis of the inner tube is less than 0.02 mm. It is 0.05mm away from the inner tube wall on both sides. Wherein, the positioning sleeve 4 is a metal pipe with a melting point above 1500°C. Generally, it is more suitable to use a metal pipe with a melting point of 2000°C. The number of metal pipes is preferably two, and the two metal pipes are arranged side by side. The thickness of the...

Embodiment 2

[0030] Such as Figure 4 As shown, the difference between this embodiment and the above-mentioned embodiment lies in that the positioning sleeve 4 is an eyelet wound from a metal wire. The number of the eyelets is preferably two, and the two eyelets are arranged side by side.

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Abstract

The invention discloses a ceramic metal halide electrode melt-sealing positioning method and a ceramic metal halide electrode melt-sealing positioning structure. The method is characterized in that: a positioning sleeve is firstly arranged outside the soldering point of an electrode stem and a molybdenum piece; then, the electrode stem with the positioning sleeve is inserted into a melt-sealing segment of an internal pipe; and finally, an electrode is subjected to melt-sealing treatment. The method and the structure have the advantages that the structure is simple, the positioning is accurate and a good popularization value is realized.

Description

technical field [0001] The invention relates to the technical field of lighting, and more specifically relates to a method and structure for welding and positioning electrodes of a ceramic metal halide lamp. Background technique [0002] The metal halide lamp is a discharge lamp that works on an AC power source and generates arc discharge in the mixed vapor of mercury and rare metal halides. The metal halide lamp is the third type made by adding various metal halides on the basis of high-pressure mercury lamps. Substitute light source. There are two types of metal halide lamps (referred to as metal halide lamps), one is quartz metal halide lamps, the arc tube bulb is made of quartz, and the other is ceramic metal halide lamps, the arc tube bulb is made of semi Made of transparent alumina ceramics, it has the characteristics of high light efficiency (65~140lm / w), long life (5000~20000h), good color rendering (Ra65~95), compact structure and stable performance. In the prior ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J9/02H01J61/02
Inventor 朱惠冲
Owner 朱惠冲