Arc pipe with conducting band and production thereof
A manufacturing method and technology of conductive strips, which are applied in the manufacture of tubes/lamp screens, parts of gas discharge lamps, etc., can solve the problems of affecting the balance and uniformity of the conductive strips, the conductive strips are susceptible to thermal deformation and contact, and are not tight. The distribution of the electric field in the arc chamber is balanced and uniform, the concept is novel, and the effect of prolonging the service life
Inactive Publication Date: 2006-08-16
王忠节
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Problems solved by technology
[0003] The technical problem to be solved by the present invention is: to overcome the arc tube with conductive strips in the prior art, use the elastic tension of metal filaments to cover the arc tube body, and then connect several strip-shaped strips between the two annular conductive strips by welding. The defect of low manufacturing efficiency due to the conductive strip; and after the working temperature of the arc tube rises, the conductive strip is easily deformed by heat and the contact with the outer wall of the arc tube is not tight and uneven, which greatly affects the balance of the electric field distribution of the conductive strip to the arc chamber of the arc tube And lack of uniform effect, to provide the society with an arc tube that is easy to manufacture, high in production efficiency, firmly bonded between the conductive strip and the outer wall of the arc tube, not easily deformed, and has good temperature resistance, so as to ensure that the gas discharge lamp always maintains a low ignition voltage, After ignition, the arc tube has stable brightness and good performance without flickering, and effectively prolongs the service life of the arc tube
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[0016] Such as figure 1 As shown, the arc tube product with conductive band of the present invention comprises a tube body 4 fired by translucent alumina ceramics, electrodes 1 arranged at both ends of the tube body 4 and an arc chamber 5 sealed in the tube body, and the inside of the arc chamber 5 is filled with A certain amount of inert gas, sodium or mercury halide. Ring-shaped conductive strips 2 are arranged at both ends of the outer wall of the pipe body 4 , and strip-shaped conductive strips 3 are connected between the two annular conductive strips 2 . Such as figure 2 As shown, the annular conductive strip 2 and the strip-shaped conductive strip 3 are made of metal molybdenum powder, and are sintered with the tubular body 4 through the alumina powder sintered layer 6 on the outer wall of the tubular body 4 .
[0017] The manufacturing method of the patented product of the present invention is briefly described below, which includes four processes of raw material pre...
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Abstract
The arc tube with conduction band includes tube body, electrode, arc chamber, and conduction band. The conduction band is made by sintering the metal molybdenum powder on the outside of tube wall through the alumina powder sintered layer on outer wall of tube. The fabricating method includes: preparing material; coating alumina powder; screen printing; sintering in kiln. The preparation of materials includes: preparation of adhesive, printing past and alumina powder.
Description
technical field [0001] The invention relates to an arc tube product of a gas discharge lamp and a manufacturing method thereof, in particular to an arc tube with a metal conductive strip on the outer wall and a manufacturing method thereof. Background technique [0002] Common gas discharge lamps mainly include high-pressure sodium lamps and mercury lamps, which are widely used for lighting public places such as streets, roads, enterprises, factories and mines, and stadiums. The illuminant inside the gas discharge lamp is an arc tube, electrodes are arranged at both ends of the arc tube, and a closed arc chamber is arranged in the middle, and a certain amount of inert gas, sodium or mercury halide is filled inside the arc chamber. Early gas discharge lamp products generally have the defects of slow ignition speed, uneven and unstable luminescence of inert gas, so the State Intellectual Property Office published the patent number ZL03277619.5 on December 8, 2004, named "Gas ...
Claims
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Login to View More IPC IPC(8): H01J61/54H01J61/30H01J9/20
Inventor 王忠节吕冠军王节远
Owner 王忠节