Whirling flute sound wave sounding device

A technology of sound-generating device and flute sound wave, applied in the direction of sound-generating equipment, instruments, etc., to achieve the effect of reducing cable laying, reducing production cost and convenient debugging

Pending Publication Date: 2021-10-15
CHINA JILIANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to solve the above technical problems, the present invention provides a whistling sound wave sounding device, which rot...

Method used

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  • Whirling flute sound wave sounding device
  • Whirling flute sound wave sounding device
  • Whirling flute sound wave sounding device

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Embodiment Construction

[0024] The embodiments of the present invention are described below by specific specific embodiments. Those of ordinary skill in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. Obviously, the described embodiments are part of the present invention. , not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0025] In order to facilitate the understanding of the present invention by those skilled in the art, the specific embodiments of the present invention are described below with reference to the accompanying drawings.

[0026] see Figure 1-Figure 5 , discloses a whistle sound wave sounding device, including an air inlet pipe 5, an air outlet pipe 6 and a ventilation turntable 3. The rear end of the air outlet pipe 6 is ...

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Abstract

The invention provides a whirling flute sound wave sounding device which comprises an air inlet pipe, an air outlet pipe with a trumpet-shaped rear end and a ventilation rotating disc with a plurality of airflow cutting holes penetrating through the outer surface, and the air inlet pipe and the air outlet pipe are slidably connected to the two side surfaces of the ventilation rotating disc respectively. The ventilation rotating disc can rotate to drive the airflow cutting holes to be overlapped or staggered with the air inlet pipe and the air outlet pipe, the two ends of the airflow cutting holes form fan blade arc surface structures, and airflow of the air inlet pipe can generate a tangential force on the airflow cutting holes so as to drive the ventilation rotating disc to rotate. According to the invention, the sounding device is driven by airflow to achieve a self-rotation effect so that the production cost of the device is greatly reduced compared with that of a traditional whirling flute sound wave sounding device, meanwhile, the power consumption and cable laying are reduced, the installation construction amount of system equipment is greatly decreased, and the debugging is convenient.

Description

technical field [0001] The invention relates to the technical field of airflow sound sources, in particular to a whistle sound wave sounding device. Background technique [0002] The whistle is a device that modulates the airflow to generate sound. It has high output sound power, stable performance, simple structure, and easy operation and use, so it is widely used. In addition to being used as a navigation mark, it can also be used in high-sound-intensity laboratories and urban air defense alarms. , ultrasonic sound source and boiler ash removal. The whirling flute uses the rotating body to quickly cut the airflow, causing the air to vibrate and generate low-frequency sound waves. [0003] Existing whistle sound generation devices all need to be equipped with high-priced variable frequency motors, which makes the production cost of the whistle sound wave sound system very high, and ignores the influence of motor heating and the problem of sustainable and stable operation. ...

Claims

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Application Information

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IPC IPC(8): G10K9/02G10K9/20
CPCG10K9/02G10K9/20
Inventor 毛智超张光学郭玉鑫丰晟豪顾海林袁定琨刘茂省
Owner CHINA JILIANG UNIV
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