Sensor for collecting electromagnetic sound information during electromagnetic gun launching and detection method thereof

Abstract

The invention relates to a sensor for collecting electromagnetic sound information during electromagnetic gun launching and a detection method thereof, the sensor comprises an electromagnetic sound detection sensor coil (11) and a permanent magnet (20), the electromagnetic sound detection sensor coil (11) and the permanent magnet (20) are stacked up and down, and the coil is arranged on a detection surface close to a detection object. The electromagnetic sound detection sensor coil (11) further comprises an exposed line segment used for detecting and extracting space electromagnetic information and serving as an antenna (12). And a space electromagnetic signal detected by the antenna (12) and an electromagnetic sound signal detected by the electromagnetic sound detection sensor coil (11) are integrated to be subjected to a spectrum analyzer to analyze the change condition of the signals, so that the change condition of the surface of a detected electromagnetic gun track is judged. The track of the electromagnetic gun is detected and evaluated while the electromagnetic gun launches a projectile, and whether the next projectile can be launched or not is evaluated, judged and decided through comparative analysis of data.

Description

technical field [0001] The invention relates to the technical field of non-destructive testing, in particular to a technical scheme for non-destructive testing of electromagnetic gun tracks by collecting electrical signals, magnetic signals, and acoustic signals when the electromagnetic gun is fired, in particular to a collection of electromagnetic sounds when the electromagnetic gun is fired. Information sensor and detection method thereof. Background technique [0002] An electromagnetic railgun that uses a powerful ampere force to push the armature to shoot projectiles out. At present, the practical application of electromagnetic guns mainly has problems of safety and service life. The powerful instantaneous electromagnetic force and super electric current between the rails, as well as the metal projectiles that are violently accelerated in the barrel, will have a serious impact on the rail gun itself. Including deformation of the barrel, wear and tear of the rail, crac...

AI Technical Summary

Problems solved by technology

On the other hand, the super-powerful shock current and electromagnetic field when the electromagnetic gun is fired make it difficult for some conventional sensors to use

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