A Single Rotary Combined Gas Explosion Sound Source

Abstract

The invention discloses a single rotary combined gas explosion sound source, which belongs to the technical field of mine countermeasures. The gas explosion sound source includes a servo motor, a rotor, a stator housing, a piston and a piston cylinder; the cavity part of the rotor with a release hole is inserted into the interior of the stator, and the two ends of the piston are respectively located in the rotor and the piston cylinder, and the piston cylinder and the stator The shells are coaxially docked; the high-pressure gas inside the rotor will be released through the periodic opening and closing of the corresponding release holes on the rotor and stator, and a series of broadband oscillating sound wave pulses will be generated in the water; by adjusting the displacement of the piston in the rotor Control the number of ports opened by the rotor to adjust the intensity of the sound source; the rotor is driven by the servo motor to rotate, and when the release hole opened by the rotor coincides with the release hole of the stator, pulses of a specific frequency spectrum are generated, and the ports opened by the rotor are in continuous emission. Continuously changing to achieve smooth control of the spectrum. The invention can effectively simulate the physical field produced by the ship.

Description

technical field [0001] The invention relates to a combined gas explosion sound source, in particular to a rotary combined gas explosion sound source, which belongs to the technical field of anti-mine. Background technique [0002] It is well known that the total noise spectrum radiated by ships is composed of continuous broadband noise spectrum and narrowband line spectrum components at several discrete frequencies. When performing ship noise signal simulation calculations, the more commonly used method is to divide the power spectrum of ship radiation noise into two types: one is broadband noise with continuous spectrum, and its noise level is continuous, and broadband stationary random noise can be used. The process produces a continuous spectrum; the other is a discontinuous single-frequency noise, which is composed of a line spectrum appearing at a discrete frequency, and a periodic signal can be used as a line spectrum model. [0003] In the field of infrasonic mineswe...

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Problems solved by technology

[0004] At present, in order to effectively simulate the physical field produced by ships, it is necessary to construct a continuous or tending to continuous sound field in order to effectively confuse mines. It solves the insufficient frequency spectrum of single-gun gas explosion sound sources, but the application of single-gun arrays requires multiple sets of single-gun gas explosion sound sources. The structure is relatively complex, and the weight and size are relatively large. Control, that is, to control different single gun excitations according to different working sequences, the control is relatively complicated

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