Experimental device and experimental method based on electrostatic discharge transient field intensity measurement system

Abstract

The invention discloses an experimental device based on an electrostatic discharge transient field intensity measurement system. An electrostatic discharge transient field intensity measurement systemand an experimental device are included. The electrostatic discharge transient field intensity measurement system is composed of a transient electrostatic field intensity sensor, a high-frequency signal processor, an amplifier and a data acquisition unit. The experimental device comprises an experimental device for calibrating the electrostatic discharge transient field intensity measurement system and a measurement experimental device for measuring the electrostatic discharge field intensity through the electrostatic discharge transient field intensity measurement system. The invention further comprises an experiment method based on an electrostatic discharge transient field intensity measurement system. The experiment method comprises a calibration experiment method and an electrostaticdischarge experiment method with different discharge charge transfer amounts and different powder pile heights, the influence of the position and direction of the field intensity sensor is avoided, explosion prevention is easy to realize, and the safety is good. Meanwhile, the electrostatic discharge charge transfer amount can be measured, and the electrostatic discharge energy can be quantitatively calculated.

Description

technical field [0001] The invention relates to the technical field of energetic materials, in particular to an experimental device and an experimental method based on an electrostatic discharge transient field strength measurement system. Background technique [0002] Energetic material: It is a metastable substance with high energy density, which will rapidly release a large amount of energy to damage the surrounding objects after being excited by a specific stimulation method. [0003] Electrostatic charge: a physical quantity used to measure the amount of charge, which is an important parameter to characterize the material's charging ability. [0004] Electrostatic discharge: Electrostatic discharge refers to the charge transfer caused by objects with different electrostatic potentials approaching each other or in direct contact. Electrostatic discharge generally has the characteristics of strong electric field, instantaneous large current, high potential and broadband ...

AI Technical Summary

Problems solved by technology

[0008]1. It is difficult to obtain the quantitative relationship between the measurement signal and the discharge energy due to the influence of many factors such as the coupling size of the electromagnetic radiation field sensor, the position and direction of the sensor;

[0009]2. The measurement method is susceptible to the interference of the job site environment and other equipment, and it is not easy to achieve explosion-proof. It is not suitable for the measurement of electrostatic discharge signals of energetic materials

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