Research and fabrication of downhole vibration sensor based on triboelectric nanogenerator

LIU Jiangbin; REN Jianchao; WU Chuan; LIU Maofu; CHEN Chi

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Research and fabrication of downhole vibration sensor based on triboelectric nanogenerator

Research & Approach | 更新时间：2026-01-22

- Research and fabrication of downhole vibration sensor based on triboelectric nanogenerator
- Vol. 45, Issue 1, Pages: 67-71(2026)
- 作者机构：
  
  1. 陕西陕煤曹家滩矿业有限公司，山西神木,719100
  2. 煤炭科学研究总院开采研究院,北京,100013
  3. 中煤科工开采研究院有限公司,北京,100013
  4. 中国地质大学（武汉）机械与电子信息学院,湖北,武汉,430074
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP212;TN402
- Published：2026
- 稿件说明：
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LIU Jiangbin, REN Jianchao, WU Chuan, et al. Research and fabrication of downhole vibration sensor based on triboelectric nanogenerator[J]. 2026, 45(1): 67-71.
DOI：

LIU Jiangbin, REN Jianchao, WU Chuan, et al. Research and fabrication of downhole vibration sensor based on triboelectric nanogenerator[J]. 2026, 45(1): 67-71. DOI：

摘要

井下钻具的异常振动会影响钻进效率，甚至造成井下事故，因此有必要依靠振动传感器进行实时监测。传统的井下振动传感器需外接电源，影响效率增加成本，因此，基于摩擦纳米发电机原理研制了一种自供电振动传感器，以实现对钻柱纵向及横向振动的测量。实验结果表明：传感器的工作温度范围为0~100℃，纵向及横向振动频率的测量范围均为1~15Hz，且测量误差均不超过4%。单只传感器的输出功率最高可达12×10

-5

W，能够实时点亮15个LED灯泡。设计的传感器在自发电的情况下可同时监测纵向及横向振动，且多只传感器并联可提升发电量，有望减轻井下供电压力或替代电池进行实时供电。

Abstract

The abnormal vibration of downhole drilling tools can affect drilling efficiency and even lead to underground accidents

thus it is necessary to use vibration sensors for real-time monitoring.Traditional downhole vibration sensors require external power sources

which impacts efficiency and increases costs.Therefore

a self-powered vibration sensor based on the principle of triboelectric nanogenerators is researched and fabricated to realize measurement of both longitudinal and transverse vibrations of the drill string.Experimental results indicate that the sensor operates within a temperature range of 0~100℃

with measurement ranges of longitudinal and

transverse vibration frequencies of 1~15Hz

and measurement error does not exceed 4%.The output power of a single sensor can reach up to 12×10

-5

capable of instantaneously illuminating 15 LED bulbs.The designed sensor can simultaneously monitor longitudinal and transverse vibrations operating in a self-powered mode

and the parallel connection of multiple sensors can enhance power generation capacity

potentially alleviating downhole power supply stress or replacing batteries for real-time power supply.

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