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Field-distortion oil-medium trigger switch

A technology for triggering switches and oil media, which is applied to spark gaps, electrical components, spark gaps, etc. degree, increase the area, and reduce the effect of ablation problems

Inactive Publication Date: 2014-03-26
NORTHWEST INST OF NUCLEAR TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the problems of the existing self-breakdown oil medium switch, such as the uncontrollable switch-on moment, the small adju

Method used

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  • Field-distortion oil-medium trigger switch

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Embodiment Construction

[0018] figure 1 It is a longitudinal sectional structure diagram of the present invention. figure 1 Among them, the field distortion oil medium trigger switch of the present invention has a cylindrical structure as a whole; the outer shell 1 is a plexiglass cylindrical structure, which is divided into upper and lower parts, connected by nylon bolts; the outer side of the outer shell is polished, and the inner side is designed with a height of 8mm. Tooth-shaped corrugations with a distance of mm, tooth top chamfer R1.6mm and tooth bottom chamfer R2.9mm to improve the insulation flashover characteristics; the inside of the shell 1 is equipped with a high voltage electrode 2, a trigger electrode rod 5 and a low voltage electrode from bottom to top. Electrode 7; high-voltage electrode 2 is in a ring-shaped structure, with an outer diameter of about 178mm, an inner diameter of about 60mm, and a center thickness of about 15mm. The inner chamfer is R10mm, and the outer chamfer is R15...

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Abstract

The invention relates to a field-distortion oil-medium trigger switch comprising a closed non-metal casing, a high-voltage electrode, a low-voltage electrode, a trigger electrode and an external trigger switch. The high-voltage electrode and the low-voltage electrode are arranged in the non-metal casing. The non-metal casing is filled with transformer oil. The high-voltage electrode that is circular is arranged on the inner side of the bottom of the non-metal casing. The trigger electrode comprises a trigger electrode stem and a trigger disc; the trigger disc is arranged between the high-voltage electrode and the low-voltage electrode, one end of the trigger electrode stem is fixedly connected with the trigger disc, and the other end of the trigger electrode stem extends out of the top of the non-metal casing to be electrically connected with the external trigger switch. The casing, the high-voltage electrode, the low-voltage electrode, the trigger electrode stem and the trigger disc are arranged coaxially. Since the trigger electrode structure is introduced, field distortion of working clearance, control of ON time and multiple discharge channels are realized, range of work voltage of the switch is expanded, electrode erosion degree is lowered, and the field-distortion oil-medium trigger switch is applicable to switching-on of hundreds of nanosecond to several microsecond megavolt level voltage pulse.

Description

technical field [0001] The invention relates to an oil-medium short-circuit switch capable of realizing conduction and transmission of high-power pulse energy, which is applied to energy transfer and pulse shaping between energy storage components in a pulse power device. Background technique [0002] In the development of pulse power devices, the oil medium switch (transformer oil), together with the gas medium switch and water medium switch, undertakes the function of short-circuit conduction of high-power pulse voltage. However, compared with the water medium switch, the breakdown field strength of the oil medium switch is higher, and at the same time, it is close to the gas medium switch in terms of switching energy loss, resistance term time and other characteristics, so it is widely used in various large pulse power devices in the world (such as Saturn, Z, ZR, etc.) are widely used. [0003] At present, the oil medium switches that have been successfully developed at ...

Claims

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Application Information

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IPC IPC(8): H01T2/02H01T1/22
Inventor 呼义翔曾江涛孙凤举尹佳辉丛培天
Owner NORTHWEST INST OF NUCLEAR TECH
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