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Acoustic windows and systems for large-scale planar transducer arrays

A technology for transducer arrays and acoustic windows, which is applied in the field of large-scale planar transducer array acoustic windows and systems, can solve the problems of high processing difficulty, cannot be designed too thick, and affect the performance of transducers, etc., to achieve improved Sound transmission efficiency, improved reliability, and easy installation and disassembly

Active Publication Date: 2018-12-11
中国船舶重工集团公司第七二六研究所
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Problems solved by technology

However, titanium alloy materials are expensive and difficult to process. Therefore, in the application of large-scale transducers, it is necessary to comprehensively consider its characteristics for design.
[0004] When applied to a large-size planar array transducer, the titanium alloy plate cannot be designed too thick due to sound transmission requirements, resulting in insufficient structural strength of the sound transmission window, and insufficient structural strength directly affects the sealing of the transducer and the transparency of the plate. The impact of the forced vibration of the sound itself, thus affecting the performance of the entire transducer

Method used

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  • Acoustic windows and systems for large-scale planar transducer arrays
  • Acoustic windows and systems for large-scale planar transducer arrays
  • Acoustic windows and systems for large-scale planar transducer arrays

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Embodiment Construction

[0040] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.

[0041] In this embodiment, the large-size planar transducer array sound-permeable window provided by the present invention includes a sound-permeable membrane 1 and a surrounding frame 5;

[0042] Wherein, the sound-transmitting membrane 1 is connected to one side of the surrounding frame 5; the sound-transmitting membrane 1 is provided with a closed elastic groove; and the outer edge of the surrounding frame 5 is provided with a heat-dissipating stepped frame 7.

[0043] The heat dissipation step...

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Abstract

The invention provides a large-size planar energy converter array acoustic window and system, and the window comprises a sound transmission film and an enclosure frame. The sound transmission film is connected to one side surface of the enclosure frame. The sound transmission film is provided with a closed elastic groove. The outer edge of the enclosure frame is provided with a heat dissipation step frame. The thickness of the heat dissipation step frame is the same as the thickness of the sound transmission film. The sound transmission film is made of industrial pure titanium TA2. The enclosure frame employs a rigid rectangular structural part. The sound transmission film is made of industrial pure titanium TA2, thereby improving the reliability of an energy converter which works in the sea for a long time. The corrosion resistance performance of a TA2 material is better than the corrosion resistance performance of a conventional stainless steel material. The plane of the window tends to constant amplitude vibration, and improves the efficiency of sound transmission.

Description

technical field [0001] The invention relates to underwater acoustic engineering technology, in particular to a sound-permeable window of a large-scale plane transducer array and a system. Background technique [0002] The cladding materials used for the acoustic windows of traditional transducers in China are mostly rubber or polyurethane materials. After such materials are soaked in seawater for a long time, due to the corrosion of seawater, the growth of sea organisms and the influence of their own water permeability, the life of the transducer itself is relatively short. Short, so changing the sound-transmitting material of the transducer to metal will greatly improve its life and reliability. [0003] Commonly used metal materials for transducer sound windows are generally austenitic stainless steel and titanium alloys. Stainless steel processing has excellent welding performance, but the weight is heavier, corrosion resistance, and sound transmission performance are far...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04R1/44H04R1/02
CPCH04R1/02H04R1/44H04R2201/02
Inventor 张睿胡健辉王敏慧刘佳苗士超
Owner 中国船舶重工集团公司第七二六研究所
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