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首页> 外文期刊>IEEE sensors journal >Pagoda-Shaped Triboelectric Nanogenerator With High Reliability for Harvesting Vibration Energy and Measuring Vibration Frequency in Downhole
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Pagoda-Shaped Triboelectric Nanogenerator With High Reliability for Harvesting Vibration Energy and Measuring Vibration Frequency in Downhole

机译：宝塔形摩擦纳米料，具有高可靠性，用于收获振动能量和井下测量振动频率

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摘要

Drill string vibration is very critical to the drilling technology, which needs to be measured in real-time. This paper proposes a highly reliable pagoda-shaped triboelectric nanogenerator which can measure the downhole vibration frequency in self-powered model and harvest the downhole vibration energy to try to power other downhole instruments based on the Chinese pagoda. The designed pagoda-shaped triboelectric nanogenerator has seven layers, and charges are generated by floating contacts of two adjacent layers pasted with PMMA and Kapton, respectively. The sensing tests show that the measurement range is 0 to 5 Hz, the measurement error is less than 5%, and the minimum output signal amplitude difference is about 28 V while the maximum is about 155 V, which shows a higher signal-to-noise ratio. In addition, the pagoda-shaped triboelectric nanogenerator with seven layers can still work normally when the number of undamaged layers are two or more, which shows a higher reliability. The output power tests show that the maximum power is about 4090 x 10(-10) W when all layers of the pagoda-shaped triboelectric nanogenerator are connected in serieswith a 470 k ohm resistance and the vibration frequency is about 3 Hz. Compared with the traditional downhole drill string measurement method, the multilayer structure of the pagoda-shaped triboelectric nanogenerator makes it has higher reliability, higher output power, and saves the radial dimension space, which are very suitable for actual drilling requirements of working conditions.
机译：钻弦振动对钻井技术非常关键，需要实时测量。本文提出了一种高度可靠的塔形摩擦纳米料，可以测量自动模型中的井下振动频率，并收获井下振动能量，试图基于中国宝塔的其他井下仪器供电。设计的塔形的摩擦纳米料ATOR具有七层，分别通过粘贴与PMMA和Kapton粘贴的两个相邻层的触点产生电荷。感测测试表明，测量范围为0至5Hz，测量误差小于5％，最小输出信号幅度差为约28 V，而最大值约为155 V，则显示更高的信号 - 到 - 噪声比。另外，当未损坏层的数量是两个或更多个表示具有更高的可靠性时，具有七层的宝塔形的摩擦纳米电磁炉仍然可以正常工作。输出功率测试表明，当Pagoda形摩擦纳米电磁器的所有层以470k欧姆电阻连接的所有层和振动频率约为3Hz时，最大功率为约4090×10（-10）W.与传统的井下钻弦测量方法相比，宝塔形摩擦纳米料的多层结构使其具有更高的可靠性，更高的输出功率，并节省了径向尺寸空间，这非常适合于实际钻探工作条件的钻井要求。

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  • 来源
    《IEEE sensors journal》 |2020年第23期|13999-14006|共8页
  • 作者

    Wu Chuan; Huang He; Yang Shuo; Wen Guojun;

  • 作者单位

    China Univ Geosci Wuhan Fac Mech & Elect Informat Wuhan 430074 Peoples R China|Univ Duisburg Essen Dept Mech & Robot D-47057 Duisburg Germany;

    PowerChina Hubei Elect Engn Co Ltd Wuhan 430040 Peoples R China;

    China Univ Geosci Wuhan Fac Mech & Elect Informat Wuhan 430074 Peoples R China;

    China Univ Geosci Wuhan Fac Mech & Elect Informat Wuhan 430074 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Triboelectric nanogenerator; self-powered; high reliability; drill string vibration;

    机译：摩擦纳米料;自动的;高可靠性;钻弦振动;

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