High-intensity arc voltage gas electrical discharge tube

A gas discharge tube and arc voltage technology, which is applied to electrical components, circuits, overvoltage arresters using spark gaps, etc., can solve the problems that gas discharge tubes cannot be realized and remain unchanged

Inactive Publication Date: 2010-11-10
SHENZHEN BENCENT ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the current technology, when the gas discharge tube is required to be used in the occasion where the arc voltage is about 26V, a single gas discharge tube cannot be realized, and it must be connected in series with multiple gas discharge tubes, or a combination of gas discharge tubes and other devices. Use brings invariant

Method used

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  • High-intensity arc voltage gas electrical discharge tube
  • High-intensity arc voltage gas electrical discharge tube
  • High-intensity arc voltage gas electrical discharge tube

Examples

Experimental program
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Effect test

Embodiment 1

[0014] like figure 1 A two-pole gas discharge tube comprises two metal electrodes 1 and a metallized ceramic tube 6. The emitter stage 2 is arranged on the metal electrode, and after the metal electrode 1 and the metallized ceramic tube 6 at the two ends are installed, the two metal electrodes 11 and the metallized ceramic tube 6 are welded together by silver-copper alloy solder 4 to form an airtight Cavity 5, the gap between the two metal electrodes 1 is set to 1.0 mm, and the cavity 5 is filled with a mixture of nitrogen and hydrogen, wherein the filling ratio of hydrogen accounts for 50% of the volume of the cavity, and nitrogen accounts for 50% of the volume of the cavity.

Embodiment 2

[0016] like figure 2 A three-electrode gas discharge tube, comprising two end electrodes 1, an intermediate electrode 3 and a hollow metallized ceramic tube 6, and the two end electrodes 1, the intermediate electrode 3 and the hollow metallized ceramic tube 6 are welded together to form a closed The cavity 5 is filled with a mixture of nitrogen and hydrogen, wherein the filling ratio of hydrogen accounts for 30%, and the filling volume of nitrogen is 70%; the gap between the middle electrode and the electrodes at both ends of the gas discharge tube is set to 1.2mm.

[0017] According to the experimental results, the arc voltage of the gas discharge tube manufactured by the technical solutions of the above two embodiments can be guaranteed to be 26V or above. When the discharge tube of the present invention is used, the problem of freewheeling of the discharge tube is effectively improved.

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PUM

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Abstract

The invention discloses a high-intensity arc voltage gas electrical discharge tube, which comprises electrodes and a hollow ceramic tube, wherein the electrodes and the hollow ceramic tube are welded to form a sealed cavity, and a mixture of nitrogen gas and hydrogen gas is mainly filled in the cavity, wherein the nitrogen gas accounts for less than 90 percent of the total volume, and a gap between the two electrodes of the gas electrical discharge tube is larger than 0.5mm. After the technical scheme is adopted, the arc voltage of the gas electrical discharge tube can be improved to 26V or higher than 26V. When the gas electrical discharge tube is applied to fields such as power supplies and the like, the effect of no follow current can be realized without the combination of a plurality of gas electrical discharge tubes, and the invention brings convenience for users.

Description

technical field [0001] The invention relates to a gas discharge tube. More specifically, the present invention relates to a gas discharge tube that can increase the arc voltage of the discharge tube to 26V or above by changing the type and content of the gases in the discharge tube (volume ratio of each constituent gas). Background technique [0002] Electronic systems and network lines are often subject to external transient overvoltage interference. These interference sources mainly include: operating overvoltage caused by switching inductive loads or starting and stopping high-power loads, line faults, etc.; caused by natural phenomena such as lightning lightning surge. This overvoltage (or overcurrent) is called surge voltage (or surge current), which is a kind of transient interference. Surge voltage can seriously endanger the safe operation of electronic systems. Eliminating surge noise interference and preventing surge hazards have always been the core issues relat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01T4/12
Inventor 贺本芳侯生益
Owner SHENZHEN BENCENT ELECTRONICS CO LTD
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