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Arc laser based on gas discharge tube

A gas discharge tube and activator technology, which is applied in the electronic field, can solve problems such as not being suitable for program control and not being able to realize automatic control, and achieve the effect of stabilizing the breakdown voltage value

Inactive Publication Date: 2016-06-15
ZHEJIANG OCEAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These mechanical adjustment methods cannot realize automatic control, and are not suitable for program control.

Method used

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  • Arc laser based on gas discharge tube
  • Arc laser based on gas discharge tube
  • Arc laser based on gas discharge tube

Examples

Experimental program
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Embodiment Construction

[0021] According to the working requirements of the arc activator, the rated breakdown voltage of the gas discharge tube in the present invention is 2500V-3000V, the shape of the gas discharge tube is a cylindrical ceramic package structure of 17.4mm×Φ11.8mm, and the two ends are connected by 3mm bolts To facilitate installation, for example, use V10-H30X type.

[0022] The high-voltage energy storage capacitor has a great influence on the working stability, and should be able to withstand a large working current. It is advisable to use a CYS-2 high-voltage mica capacitor. The capacitor is 5100pF, and the withstand voltage is required to be above 4kV. Or use other high-voltage resonant capacitors, but due to the requirements of current carrying capacity, it is not suitable to use energy absorbing capacitors.

[0023] In order to meet the requirements of high withstand voltage, the current limiting resistor is preferably composed of 3 to 4 metal film resistors above 2W in serie...

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Abstract

The invention discloses an arc activator based on a gas discharge tube. The arc activator consists of a current limiting resistor, a high voltage energy storage capacitor C 1 , gas discharge tube G 1 , Pulse step-up transformer T 1 Composition; the input voltage of the activator adopts PWM high-voltage pulse with stable amplitude, and charges the high-voltage energy storage capacitor through the current-limiting resistor. The primary and secondary windings of the pulse step-up transformer are independent of each other. The outstanding advantages of the present invention are: it can effectively improve the stability of excitation energy of the laser spectrum arc power supply, and it is easy to realize program control.

Description

technical field [0001] The content of the invention belongs to the field of electronic technology, which can generate high arc voltage with stable performance and activate the arc channel between electrodes. Background technique [0002] One of the analysis methods for metal components is spectroscopic analysis. The plasma arc power supply matched with the spectroscopic analyzer is mainly composed of two parts: the activator that generates high voltage and the low-voltage discharge circuit. The role of the arc activator is to use the pulsed high voltage to break down the gap and make it a conductive channel, so that the low voltage discharge circuit can form a high density pulse current and excite the metal atoms to radiate a specific spectrum. The high voltage output by the activator is generally between 10,000 and 20,000 volts in a pulsed form. [0003] In order to enable the activator to output high voltage, a transformer is needed to boost the voltage; on the other hand...

Claims

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Application Information

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IPC IPC(8): H01J7/00H01J7/30
CPCH01J7/00H01J7/30
Inventor 陈庭勋胡佳文
Owner ZHEJIANG OCEAN UNIV
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