An electrode sealing positioning structure for a ceramic metal halide lamp
A technology of ceramic metal halide lamp and positioning structure, which is applied to circuits, discharge lamps, discharge tubes, etc., can solve problems such as affecting product quality and service life, poor bonding ability between inner tubes and electrodes, and uneven sealing thickness of inner tubes, etc. Achieve the effects of good reliability and applicability, simple structure and high production efficiency
Pending Publication Date: 2019-01-18
贵州宇光鸿宇电气照明科技有限公司
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Problems solved by technology
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 will be turned up and down when the glue is poured, resulting in uneven sealing thickness of the inner tube, and the inner tube and electrode Poor binding ability, prone to air leakage and other problems, which will seriously affect the quality and service life of the product
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[0017] Such as Figure 1 to Figure 3 As shown, an electrode welding and positioning structure for a ceramic metal halide lamp according to the present invention includes an inner tube 1, a positioning sleeve 2 and an electrode rod 3, and the inner tube 1 is formed by a cavity body 11 and a welding seal Section 12, the positioning sleeve 2 is set in the fusion sealing section 12 in the inner tube 1, and is located in the inner tube 1 on the side close to the cavity body 11, the front end of the electrode rod 3 passes through the positioning The sleeve 2 is located in the hollow body 11 in the inner tube 1, and the rear end is located outside the fusing section 12 in the inner tube 1, and the electrode rod 3 is fixed in the middle of the positioning sleeve 2 by welding, Wherein the gas channel 4 is formed between the surface of the electrode rod 3 between two adjacent welding spots and the positioning sleeve 2, and the surface of the positioning sleeve 2 outside the welding spot...
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Abstract
The invention discloses an electrode sealing positioning structure for a ceramic metal halide lamp, wihc includes an inn tube, a positioning sleeve and an electrode rod, the inner tube is composed ofcavity and sealing section, A locate sleeve is arranged in that fusion seal section, The front end of the electrode rod passes through the positioning sleeve in the cavity in the inner tube, and the rear end is located outside the sealing section in the inner tube; the electrode rod is fixed on the middle part of the positioning sleeve by welding, wherein a gas passage is formed between the electrode rod surface between two adjacent welding points and the positioning sleeve, and the surface of the positioning sleeve other than the welding point forms a wrinkled arc structure; The electrode rodis composed of a mandrel and a spring wound at the front end of the mandrel. The electrode fusion sealing positioning structure provided by the invention has the advantages of simple structure, simple processing technology, high production efficiency, accurate positioning, good reliability and applicability, and is suitable for popularization and use.
Description
technical field [0001] The invention relates to the technical field of ceramic metal halide lamps, in particular to an electrode fusion sealing positioning structure for ceramic metal halide lamps. 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 kinds of metal halide lamps, one is quartz metal halide lamp, the arc tube bulb is made of quartz, the other is ceramic metal halide lamp, the arc tube bulb is made of translucent alumina ceramics , it has the characteristics of high light efficiency, long life, good color rendering, energy-saving light source, compact structure and stable performance. Since the ceramic metal halide lamp is an arc tube shell made of polycrystalline alumi...
Claims
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IPC IPC(8): H01J5/50
CPCH01J5/50
Inventor 周彩娟
Owner 贵州宇光鸿宇电气照明科技有限公司