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一个低频宽带环式传感器,由张结构驱动.

Xuejian Xia1,2,3, Yu Lan1,2,3, Tianfang Zhou1,2,3

  • 1National Key Laboratory of Underwater Acoustic Technology, Harbin Engineering University, Harbin 150001, China.

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概括

本研究介绍了一种基于柔性变频器 (FT) 设计的新型环式变频器,用于高功率低频声音生成. 优化的传感器通过合共振实现了宽带性能,证明了其在水下声学方面的潜力.

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科学领域:

  • 水下声学 水下声学
  • 变频器设计 变频器设计
  • 声学工程 声学工程

背景情况:

  • 柔性变频器 (FT) 已知具有高功率,低频的声音传输.
  • 第四类FT提供位移放大,这对于高效的声辐射至关重要.

研究的目的:

  • 设计和优化使用IV类FT配置的宽带环传感器.
  • 为了增强低频声音强度和扩大运营带宽.

主要方法:

  • 用了IV类FT结构配置来设计一种新的环式传感器设计.
  • 开发了一个有限元模型用于结构参数优化.
  • 为实验评估水下声学性能制造了一个原型.

主要成果:

  • 拟议的环转换器成功合了两个共振模式.
  • 在5401580赫兹频率范围内实现了大约12dB的带内波动.
  • 证明了增强的声音源强度和宽带能力.

结论:

  • 新型环式传感器设计有效地将共振模式配对为宽带操作.
  • 优化的基于柔性延伸的环传感器显示出低频水下声学应用的前景.