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Pneumatic structure in discharge cavity

A discharge cavity and electrode technology, applied in electrical components, circuits, gas laser parts, etc., can solve the problems of increasing flow channel resistance, loss of airflow energy, etc., to improve the flow rate of the discharge area, reduce energy loss, and improve stability. Effect

Active Publication Date: 2015-07-22
RAINBOW SOURCE LASER RSLASER
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] There is a gas circulation device in the known discharge chamber, but the basic structure is as follows image 3 As shown in a, the forward airflow 20 near the bottom surface directly collides with the return flow 21 of the inlet vortex, which loses the energy of the airflow and increases the resistance of the flow path

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Embodiment Construction

[0021] see figure 1 Shown is a schematic diagram of the structure of the high-pressure gas discharge chamber provided with a guide body in the present invention.

[0022] The discharge chamber mainly includes discharge electrodes (cathode 5, anode 6), cathode electrode base 7, anode electrode base 10, anode support and guide assembly 11, cross-flow fan 4, heat exchanger 9 (the above are all known technology, without too much description).

[0023] The feature of the present invention is that a guide body 13 is provided at the inlet of the cross-flow fan in the discharge chamber, thereby improving the flow field 1 in the discharge chamber and effectively increasing the gas flow rate in the discharge region 8 .

[0024] According to the formation mechanism of the internal flow field of the cross-flow fan, there is an inlet vortex near the inlet 14 of the cross-flow fan impeller, and an eccentric vortex near the outlet 17, which have a great impact on the performance of the fan...

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Abstract

The invention relates to a pneumatic structure in a discharge cavity; a cavity and electrode bases are arranged in in the discharge cavity and are respectively provided with a discharge electrode; a cross-flow fan is arranged in the discharge cavity; a heat exchanger is correspondingly arranged at one side of the cross-flow fan; an air inlet of the cross-flow fan in the discharge cavity is provided with a diversion body in a protuberant way; and the top of the diversion body points to an impeller of the cross-flow fan. Compared with the prior art, the pneumatic structure reduces the energy loss of airflow in the cavity and accelerates the flow rate of a discharge area, thus improving the stability of system high-voltage discharge; and meanwhile, the pneumatic structure is simple, convenient to process and convenient to install.

Description

technical field [0001] The invention relates to an aerodynamic structure for improving circulating air flow in a closed chamber, in particular to an aerodynamic structure for improving gas circulation in a discharge chamber. Background technique [0002] During high-voltage gas discharge, the gas medium between the electrodes is excited to discharge and generate excitation and transition. At the same time, some discharge products that are not conducive to effective gas discharge and energy radiation will be generated in the discharge area, thus affecting the discharge quality to a certain extent. Therefore, it is necessary to update the working gas in the discharge area in time, and high-speed gas circulation is required. [0003] In the discharge chamber, especially in the discharge chamber with high repetition frequency, in order to ensure the life of the gas discharge system and the stability of the high-voltage discharge of the system, two problems must be solved: one is...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01S3/036H01S3/03H01S3/041
Inventor 刘斌丁金滨陈进新王宇周翊赵江山
Owner RAINBOW SOURCE LASER RSLASER