用于局部放电检测的支架-膜片耦合法布里-珀罗声学传感器

IF 2.3 3区 工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC
Yan Wei;Jingya Zhang;Heming Wei;Caixia Jia;Fufei Pang;Shijie Zheng;Carlos Marques
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引用次数: 0

摘要

我们展示了用双光子3D打印技术制造的基于支架-隔膜的Fabry-Perot (FP)腔,作为检测局部放电的高灵敏度声学传感器。膜片由两部分组成,一部分为低频优势支架结构,另一部分为高频优势膜片。为了获得较高的声传感性能,对整个结构进行了机械模态耦合共振优化,可以显著提高对声波的响应。研究了该装置在声波探测中的传感性能。此外,该传感器还用于局部放电的检测。结果表明,该装置可探测到频率高达340 kHz的声发射波,并具有良好的距离响应性。该传感器在150 kHz时的最小可检测压力(MDP)为3.81~\mu $ ${\ mathbf {Pa/Hz}}^{\mathbf{1/2}}$,在电气设备的局部放电检测中显示出理想的应用潜力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Bracket-Diaphragm Coupled Fabry-Perot Acoustic Sensor for Partial Discharge Detection
We demonstrate a bracket-diaphragm-based Fabry-Perot (FP) cavity fabricated by two-photon 3D printing technique as a highly-sensitive acoustic sensor for the detection of partial discharge. The diaphragm consists of two parts, one is the low-frequency dominant bracket structure, while the other features a high-frequency dominant diaphragm. To achieve high acoustic sensing performance, the whole structure is optimized for mechanical mode-coupling resonance, which can significantly enhance the response to acoustic waves. The sensing performance of the device for acoustic wave detection is investigated. Furthermore, the sensor is utilized for the detection of partial discharge. Results show that the device can detect the acoustic emission waves with frequencies up to 340 kHz and exhibits well-distance responsiveness. With a minimum detectable pressure (MDP) of $3.81~\mu $ ${\mathrm {Pa/Hz}}^{\mathbf {1/2}}$ at 150 kHz, the sensor shows desirable potential for applications in partial discharge detection of electrical equipment.
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来源期刊
IEEE Photonics Technology Letters
IEEE Photonics Technology Letters 工程技术-工程:电子与电气
CiteScore
5.00
自引率
3.80%
发文量
404
审稿时长
2.0 months
期刊介绍: IEEE Photonics Technology Letters addresses all aspects of the IEEE Photonics Society Constitutional Field of Interest with emphasis on photonic/lightwave components and applications, laser physics and systems and laser/electro-optics technology. Examples of subject areas for the above areas of concentration are integrated optic and optoelectronic devices, high-power laser arrays (e.g. diode, CO2), free electron lasers, solid, state lasers, laser materials'' interactions and femtosecond laser techniques. The letters journal publishes engineering, applied physics and physics oriented papers. Emphasis is on rapid publication of timely manuscripts. A goal is to provide a focal point of quality engineering-oriented papers in the electro-optics field not found in other rapid-publication journals.
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