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Multi-stage gas switch with corona gap

A gas switch and gap technology, applied in the direction of electrical components, circuits, spark gaps, etc., can solve problems such as complex structure of the switch system, achieve the effect of improving insulation recovery speed, increasing operating frequency, and suppressing pre-breakdown

Active Publication Date: 2017-07-28
NORTHWEST INST OF NUCLEAR TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to overcome the problem that the existing multi-stage gas switch requires an external trigger system, resulting in a complex structure of the switch system, the present invention provides a multi-stage gas switch with a corona gap

Method used

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  • Multi-stage gas switch with corona gap
  • Multi-stage gas switch with corona gap
  • Multi-stage gas switch with corona gap

Examples

Experimental program
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Embodiment Construction

[0015] The following examples refer to Figure 2-3 .

[0016] The multi-stage gas switch with corona gap of the present invention includes a head-end equalizing plate 1, a pull rod 2, an end equalizing plate 3, a first electrode 4, a first insulator 5, a second electrode 6, a second insulator 7 and a third Electrode 8. The first electrode 4 is in the shape of a ring blade, the second electrode 6 is a plate electrode, and the third electrode 8 is a disk electrode. The first electrode 4 and the second electrode 6 are placed opposite to each other, and they are supported by the first insulator 5 to form a corona gap; every two third electrodes 8 are placed opposite to each other and supported by the second insulator 7 to form an overvoltage breakdown gap. A uniform electric field can be formed between the head-end pressure equalizing plate 1 and the end pressure equalizing plate 3, which avoids the interference of the external electric field to the inside. The pressure equaliz...

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Abstract

The invention discloses a multistage gas switch containing a corona gap. By using the switch of the invention, a technical problem that an existing multistage gas switch needs to be additionally provided with a trigger system so that a switch system structure is complex is solved. The technical scheme is characterized in that the switch is formed by a corona gap and an overvoltage breakdown gap; the switch is filled with a sulfur hexafluoride gas; and when a voltage of two ends of the voltage reaches a predetermined level, the corona gap is preferentially broken down and the overvoltage breakdown gap is broken down later. The corona gap possesses good work stability and can stably trigger a multistage switch so that the multistage switch operates in a low jitter mode. The multistage switch containing the corona gap can stably operate without an external trigger system so that a switch system is greatly simplified and a switch system volume is reduced.

Description

technical field [0001] The invention relates to a multistage gas switch, in particular to a multistage gas switch with a corona gap. Background technique [0002] In the field of pulse power technology, switching technology has a particularly important position. It determines the output characteristics of the pulse power device, and is even the key to the success of the pulse power system. The gas switch is a switch that realizes on and off through the generation and dissipation of plasma flow. It has been widely used in the field of pulse power because of its high working voltage, strong current capacity, good repetition frequency stability, and long working life. At present, high voltage and high repetition frequency are important development directions of gas switches. However, when there are special requirements on the volume and weight of the pulse power device, the structure and weight of the gas switch are also restricted. [0003] refer to figure 1 . The docume...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01T1/22H01T2/00
CPCH01T1/22H01T2/00
Inventor 苏建仓高鹏程曾搏李锐程杰邱旭东吴晓龙喻斌雄
Owner NORTHWEST INST OF NUCLEAR TECH
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