Switch with trigger

Abstract

The invention discloses a switch with a trigger, which comprises a switch body and a trigger, wherein the switch body comprises a binding post, an insulating cover plate, a metal shell, a pair of air nozzles, a columnar insulator, an export pole, an upper electrode base, an upper electrode sleeve, an upper graphite electrode, a lower electrode base, a lower electrode sleeve, a lower graphite electrode, a ceramic pipe and a trigger pin; and the trigger comprises a trigger slot, a trigger output electrode, a grounding metal ring, and a functional display panel. The binding post is arranged at the center of the insulating cover plate, the insulating cover plate is connected with the metal shell to form a sealed chamber used for electrically partitioning the binding post and the metal shell, the air nozzles are symmetrically arranged on the side of the metal, and are used for charging and discharging the switch body with gas, the columnar insulator is fixed to the bottom of the switch body, the export pole penetrates through the columnar insulator along the axial direction, and the upper electrode base is connected with the insulating cover. The switch disclosed by the invention can solve the problem that a three-electrode trigger pipe type switch is electrically connected with the trigger. Moreover, the switch is compact in structure.

Description

technical field [0001] The invention belongs to the technical fields of high-voltage electrical appliances and pulse power, and more specifically relates to a switch with a trigger. Background technique [0002] In the pulse power system, the pulse power switch works under high voltage and high current, and the conditions are very harsh. The breakdown phenomenon in the switch and the physical process on the switch electrode are very complicated. Therefore, it has the ability to withstand high voltage and high current, strike The development of various switching devices with short time delay, small dispersion, small inductance and resistance, less electrode ablation, and high repetition frequency operation is a very important topic in pulse power technology. As a high-energy switching device, the three-electrode trigger tube switch is often used in transient energy conversion systems (such as electric explosion devices, electromagnetic launch devices, etc.), and as the core d...

AI Technical Summary

Problems solved by technology

[0003] However, the three-electrode trigger tube switch also has the following disadvantages: the ablation of the switch electrode material during breakdown will directly affect the performance and life of the switch; the application of the three-electrode trigger tube switch requires the use of a specially designed trigger, Moreover, the trigger is more complicated and difficult to implement.

It is especially important that the three-electrode trigger tube switch needs to properly handle the electrical connection between the switch and the trigger, otherwise it may lead to (1) a longer trigger electrical circuit, resulting in a larger impedance of the trigger circuit, which reduces the trigger current , the rise time of the trigger voltage becomes slower; (2) There are stray parameters to the ground and to the adjacent equipment in the long trigger circuit that is not connected by hard wires, which may cause the trigger current and voltage distortion, which will affect the conduction of the switch Electrical performance; in addition, it will also affect the safe use of the device, which makes the installation and use of the three-electrode trigger tube switch more complicated

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