Manufacturing technique and device for ultraviolet (UV) bulb of metal halide lamp

Abstract

The invention provides a manufacturing technique for a UV bulb of a metal halide lamp. A glass tube is heated and clamped and sealed through a clamp die to form the UV bulb. The invention further provides a manufacturing device for the UV bulb of the metal halide lamp. The manufacturing device comprises an electrode holder for vertically fixing an electrode component. Flame holders for heating the glass tube are arranged on the circumference of the electrode holder and move up and down vertically, a clamp for clamping the glass tube is arranged above the electrode holder, and the clamp die for clamping the glass tube is further arranged between the electrode holder and the clamp. According to the manufacturing technique and device for the UV bulb of the metal halide lamp, the UV bulb is formed through one step, working gas is fed continuously in a clamp sealing process, the working gas in the UV bulb is purified, processes of vacuum pumping purification, secondary sealing, separation cutting and the like are not needed, the manufacturing technique and the manufacturing device are environment friendly, and the UV bulb does not generate mercury steam at the high temperature to cause the risk of blasting due to too high internal pressure.

Description

technical field [0001] The invention relates to a production process of a UV bulb of a metal halide lamp. [0002] The invention also relates to a production device for UV bulbs of metal halide lamps. Background technique [0003] In the prior art, the metal halide lamp is a discharge lamp that generates arc discharge and emits light in the mixed vapor of mercury and rare metal halides through AC power supply. The metal halide lamp is a high-pressure mercury lamp based on adding various metal halides The third-generation light source made of objects. The UV bubble is set in the metal halide lamp to play the role of auxiliary starting. When the metal halide lamp is started, the arc tube of the metal halide lamp is irradiated with ultraviolet light or visible light emitted by the UV bubble. [0004] The working principle of the UV bulb of the metal halide lamp is that under the high-voltage pulse, the electrode emits free electrons, and the high-speed electrons collide with ...

AI Technical Summary

Problems solved by technology

[0007] In view of the shortcomings of the prior art described above, the purpose of the present invention is to provide a production process and device for UV bulbs of metal halide lamps, which are used to solve the problems of complicated production procedures and serious environmental pollution of UV bulbs in the prior art.

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