Study on energy conversion unit based on airflow energy harvester using double-pull diamagnetic levitation

WANG Bingbing; ZHANG Long; LI Bingyu; SU Yufeng

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Study on energy conversion unit based on airflow energy harvester using double-pull diamagnetic levitation

Research & Approach | 更新时间：2026-06-24

- Study on energy conversion unit based on airflow energy harvester using double-pull diamagnetic levitation
- Vol. 45, Issue 6, Pages: 13-17(2026)
- 作者机构：
  
  郑州大学机械与动力工程学院,河南,郑州,450001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP212;TN712
- Published：2026
- 稿件说明：
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WANG Bingbing, ZHANG Long, LI Bingyu, et al. Study on energy conversion unit based on airflow energy harvester using double-pull diamagnetic levitation[J]. 2026, 45(6): 13-17.
DOI：

WANG Bingbing, ZHANG Long, LI Bingyu, et al. Study on energy conversion unit based on airflow energy harvester using double-pull diamagnetic levitation[J]. 2026, 45(6): 13-17. DOI：

摘要

为了提高双挽式抗磁悬浮气流能量采集器的换能单元部分的稳定性和输出性能，提出了一种采用中心对称式的四豁口悬浮转子和最佳线圈布置方案的新换能单元。通过理论分析和仿真分析发现，相比三豁口悬浮转子，四豁口悬浮转子具有更好的旋转稳定性，采用四豁口悬浮转子和最佳的线圈布置方案的新换能单元的能量采集器不仅具有更高的输出电压和输出功率，而且进一步提高了能量采集效率。利用搭建的实验测试平台，研究了采用新换能单元的能量采集器的输出性能。实验结果表明

当气体流量体积为3000mL/min时，采用新换能单元的能量采集器的峰值输出电压为2.812V，平均输出功率为149.20mW

悬浮转子的最大转速为21119r/min，分别是采用三豁口悬浮转子和原线圈布置方案的能量采集器的152.25%，165.32%和104.76%。

Abstract

To improve the stability and output performance of the energy conversion unit based on airflow energy harvester using double-pull diamagnetic levitation

a new energy conversion unit using a centrosymmetric four-notch levitation rotor and the optimal layout scheme of coils is proposed.Through theoretical and simulation analysis

it is found that compared with the three-notch levitation rotor

the four-notch levitation rotor has better rotational stability.The energy harvester with the new energy conversion unit that adopts the four-notch levitation rotor and optimal layout scheme of the coils not only has higher output voltage and output power

but also further improves energy harvesting efficiency.The output performance of the energy harvester using the new energy conversion unit is studied using a built experimental test platform.Experimental results show that when the gas volume flow rate is 3000mL/min

the peak output voltage of the energy harvester using the new energy conversion unit is 2.812V

the average output power is 149.20mW

and the maximum rotational speed of the levitation rotor is 21119r/min

which are 152.25%

165.32%

and 104.76% of those of the energy harvester using the three-notch levitation rotor and the original layout scheme of the coils

respectively.

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