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Rotary gas explosion sound source

A rotary and sound source technology, which is applied to ships, ship weapons, transportation and packaging, etc., can solve the problems of limited sound power and inability to simulate ship noise well

Inactive Publication Date: 2020-05-08
中国船舶重工集团有限公司第七一0研究所
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The gas explosion sound source currently equipped in the army is to use the piston movement to discharge the high-pressure gas into the water to generate a huge sound to achieve the purpose of mine clearance. The sound power emitted by this single-gun operation is limited, and the noise spectrum it produces cannot Good simulation of ship noise

Method used

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Embodiment Construction

[0020] The present invention will be described in detail below with reference to the accompanying drawings and examples.

[0021] as attached figure 1 As shown, the present invention provides a rotary gas explosion sound source, and the sound source structurally includes a stator, a rotor 5 and a piston 6; wherein the stator is composed of a left end cover 1 and a right end cover 2, and the left end cover 1 and the right end cover 2 are butted There is a circumferential limiter in the formed cylinder. The rotor 5 is located inside the right end cover 2 and is axially limited by the limiter. The rotating shaft of the rotor 5 passes through the center hole on the end face of the right end cover 2 and is connected to the servo motor. .

[0022] The tail of the piston 6 has a spigot, and the front end is installed with a seal 7 and then sleeved in the inner cavity of the rotor. The tail of the piston 6 is located inside the left end cover, and the axial displacement of the piston...

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PUM

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Abstract

The invention discloses a rotary gas explosion sound source. The sound source comprises a stator, a rotor, a piston and a controller, wherein the rotor is installed in the stator and driven by the motor to rotate relative to the stator, release openings distributed in the circumferential direction are machined in the corresponding positions of the stator and the rotor, the piston is matched with an inner hole of the rotor and located in the stator, the stator is provided with an inflation inlet and an electromagnetic valve connector, the inflation inlet is communicated with an inner cavity ofthe stator, and the electromagnetic valve connector is communicated with a closed cavity defined by the piston and the stator, and the controller controls the pressure in an air cylinder and the movement position of the piston by controlling the on-off of the electromagnetic valve, so that an air gun array formed by different numbers of release openings is controlled to release high-pressure air,and different sound fields are generated to simulate ship noise.

Description

technical field [0001] The invention relates to a gas explosion sound source, in particular to a structure and a controller of a rotary gas explosion sound source. Background technique [0002] In an underwater environment, acoustic transmission has (amplitude / frequency distribution) spectral bands generated by cyclically released energy forming pulses. These pulses each have a frequency amplitude and are predominantly close to one end of the target spectrum, but at the same time the pulses are forwarded at a rate that varies at the opposite end of the target spectrum while maintaining the smoothness of the spectral response. Different pulses can be generated simultaneously, the number of which is determined by the target spectral amplitude. The gas explosion sound source currently equipped in the army is to use the piston movement to discharge the high-pressure gas into the water to generate a huge sound to achieve the purpose of mine clearance. The sound power emitted by ...

Claims

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Application Information

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IPC IPC(8): B63G7/08
CPCB63G7/08
Inventor 赵卓张炜赵存成张吟易谷丰
Owner 中国船舶重工集团有限公司第七一0研究所
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