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UV discharge lamp

A discharge lamp and ultraviolet technology, which is applied to discharge lamps, gas discharge lamps, and parts of gas discharge lamps, etc., can solve the problems of output energy attenuation, changing the output spectrum, reducing the service life of ultraviolet discharge lamps, etc., so as to reduce the size, The effect of increasing breakdown voltage, improving working life and stability

Active Publication Date: 2017-05-03
SHENZHEN NUOAN ENVIRONMENTAL & SAFETY INC +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this ultraviolet discharge lamp is that when a vacuum discharge occurs, the inert gas in the ion state will react with the inner wall of the glass lamp tube to release impurity gas, thereby changing the output spectrum of the ultraviolet discharge lamp and attenuating the output energy. Reduced service life of UV discharge lamps

Method used

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Embodiment Construction

[0022] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation manners of the present invention will now be described in detail with reference to the accompanying drawings.

[0023] like figure 1 , figure 2 , image 3 as well as Figure 4 As shown, one of the preferred embodiments of the present invention provides an ultraviolet discharge lamp, which includes a lamp tube 1, an output window 2, a first electrode 3, a second electrode 4, a ceramic tube 5, a first electrode holder 6, a second Two electrode holders 7 , an insulating structure 8 and a power source 9 .

[0024] Specifically, such as figure 1 As shown, the lamp tube 1 is a hollow cylindrical structure made of glass. The lamp tube 1 is filled with an inert gas or an inert gas mixture. In this embodiment, the lamp tube 1 is filled with krypton-helium or xenon-helium mixture at a pressure of 30-40 mmHg. Both ends of the lamp t...

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Abstract

The invention discloses an ultraviolet discharge lamp, which comprises a lamp tube, an output window, a first electrode, a second electrode, a ceramic tube, a first electrode holder and a second electrode holder, wherein the ceramic tube is arranged in the lamp tube; the first electrode is arranged at the outer side of one end, close to the output window, of the ceramic tube; and one end, close to the second electrode holder, of the first electrode holder and / or one end, close to the first electrode holder, of the second electrode holder are / is coated with an insulating structure. The ultraviolet discharge lamp has the beneficial effects that the insulating structure coating the first electrode holder and / or the second electrode holder is adopted by the ultraviolet discharge lamp; and breakdown voltage between the first electrode holder and the second electrode holder is increased, so that the possibility of glow discharge between the first electrode holder and the second electrode holder is greatly reduced; the operating life of the ultraviolet discharge lamp is prolonged; and the stability of the ultraviolet discharge lamp is improved.

Description

technical field [0001] The invention relates to the technical field of gas analysis and detection instruments, and more specifically relates to an ultraviolet discharge lamp. Background technique [0002] In the prior art, an ultraviolet discharge lamp usually includes a sealed cylindrical glass lamp tube filled with a low-pressure inert gas or an inert gas mixture. One end of the glass tube is hermetically bonded to a transparent output window for vacuum ultraviolet (VUV) transmission. One of the electrodes (negative electrode) is arranged inside the glass lamp tube, the other electrode (positive electrode) is arranged outside the glass lamp tube, and the two electrodes are respectively connected to the power supply. Under the excitation of an external electric field, the inert gas in the lamp tube undergoes glow discharge to generate vacuum ultraviolet rays, which are transmitted through the output window. The disadvantage of this ultraviolet discharge lamp is that when ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01J61/30H01J61/36
CPCH01J61/302H01J61/36
Inventor 卿笃安维塔利.波多维奇德米特里.波多维奇
Owner SHENZHEN NUOAN ENVIRONMENTAL & SAFETY INC
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