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A spark gap switch with adjustable airtight gap

A spark gap switch, air tightness technology, applied in the field of pulse power, can solve problems such as breaking voltage and current can not be too large, complex control and protection circuit, small breaking power, etc., to improve service life, reduce switch Volume, the effect of reducing on-resistance

Active Publication Date: 2017-01-18
GUILIN UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although traditional switches such as thyristors, IGBTs, and MOSFTs have long working life and high repetition frequency, the breaking voltage and current should not be too large, the breaking power is small, and it takes a long time to break high voltage and high current, which is expensive and requires Complex control and protection circuits, thus limiting its application in high-voltage pulse power supply technology

Method used

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  • A spark gap switch with adjustable airtight gap
  • A spark gap switch with adjustable airtight gap
  • A spark gap switch with adjustable airtight gap

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] See attached figure 1 , 2, 3, the spark gap switch with adjustable airtight gap includes insulating shell 2, anode flange 4, anode 5, cathode flange 9, cathode 13, trigger electrode 15, and trigger electrode insulating sleeve 14. The main body of the switch is composed. The anode flange 4 and the cathode flange 9 are respectively fixed on both sides of the insulating casing 2 by bolts 3, the anode 5 is placed in the opening in the center of the anode flange 4, and the cathode 13 is fixed on the cathode flange 9 inside the cavity by bolts. Above, the trigger electrode 15 is placed inside the trigger electrode insulating sleeve 14 and placed together in the central opening of the cathode 13 .

[0030] The anode flange 4 and the insulating casing 2 are sealed by the anode flange sealing gasket 8 , and the cathode flange 9 and the insulating casing 2 are sealed by the cathode flange sealing gasket 11 . The anode 5 and the anode flange 4 are sealed by the anode sealing pres...

Embodiment 2

[0036] Participate in Figure 4, change the processing method of the cathode 13, remove the central opening, remove the central opening of the cathode flange 9, remove the trigger electrode 15 and the trigger electrode insulating sleeve 14, and correspondingly remove the cathode sealing gasket 17, the trigger electrode sealing gasket 19, and the trigger electrode insulation Set sealing gasket 18 and trigger electrode sealing pressure plate 16. This switch can be used as an air switch with airtightness and adjustable gap, and can be used in some occasions that require high reliability, working voltage range and performance of the air switch. At this time, the connection mode of the anode lead and the cathode lead is the same as that in Embodiment 1.

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Abstract

The invention discloses a spark gap switch with adjustable airtight gap. The spark gap switch with adjustable airtight gap includes a controllable spark gap switch composed of anode, cathode and trigger electrode, which is composed of an insulating shell, anode flange, cathode flange, trigger electrode insulating sleeve, anode sealing pressure plate, trigger electrode The airtight switching working space composed of the sealing platen and the sealing gasket at the corresponding seam, the filling and exhausting system composed of the charging valve and the exhausting valve can realize the working atmosphere of low pressure, high pressure or inert gas switching. The invention can change the air pressure and gas atmosphere of the switch work according to the application requirements, improve the reliability of the switch work, enhance the anti-interference ability, and the invention can change the discharge distance between the cathode and the anode, and adapt to the requirements of different working voltage levels in different applications , Improve the working life and environmental adaptability of the spark gap switch.

Description

technical field [0001] The invention belongs to the technical fields of pulse power technology, high-energy laser and high-energy pulse current experimental research, and particularly relates to a spark gap switch with adjustable airtight gap. Background technique [0002] Pulse power technology is a technology that compresses energy in time and space, and then releases energy to specific loads with higher power in a shorter period of time. The pulse power supply is the key device in the pulse power system. Its function is to generate high instantaneous power pulses in a short period of time to drive specific loads. It generally consists of three parts: energy storage devices, high-voltage switches and loads. Among them, the high-voltage switch is a key component for forming high-voltage pulses, and it is also the core of the high-voltage pulse power supply. The performance of the high-voltage switch directly determines the overall performance of the power supply. [0003] ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01T1/22H01T2/02
Inventor 杨家志蒋存波范兴明金红杨光杰
Owner GUILIN UNIVERSITY OF TECHNOLOGY