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Optimization of Structural Parameters of Spark Gap Switch Based on ANSYS

机译：基于ANSYS的火花隙开关结构参数优化

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摘要

In order to optimize the switch performance and service life of spark gap switch, the main structure of spark gap switch should be optimized. In this paper, the finite element model of spark gap switch is established by ANSYS simulation software. The electric field in the switch room is analyzed from the two aspects of whether there is a trigger electrode or not. The simulation results show that when the air pressure is 0.1MPa, the voltage of 10kV is applied to the anode, and the voltage of OV is applied to the cathode and the trigger electrode, the height of the arc surface of the main electrode is 3mm, the distance between the main electrodes is 5mm, and the position of the trigger pin is about 1. 8mm from the cathode surface, the switch meets the condition of fast conduction of the self-breakdown field strength, and it also avoids the serious erosion of the electrode center caused by the excessive electric field, the position of the trigger pin is also ideal, which ultimately provides the basis for the optimization of the structural parameters of the spark gap switch.
机译：为了优化火花隙开关的开关性能和使用寿命，应优化火花间隙开关的主要结构。本文通过ANSYS仿真软件建立了火花隙开关的有限元模型。从触发电极是否存在的两个方面分析了开关室中的电场。仿真结果表明，当空气压力为0.1MPa时，将10kV的电压施加到阳极上，并且ov的电压施加到阴极和触发电极，主电极的电弧表面的高度为3mm ，主电极之间的距离为5mm，触发销的位置距离阴极表面约为1.8mm，开关符合自我击穿场强的快速传导条件，并避免了严重的侵蚀在由过大电场引起的电极中心，触发销的位置也是理想的，这最终为优化火花隙开关的结构参数提供了基础。

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