A Soil Moisture Sensing System Powered by Self-Harvesting Soil Energy

IF 4.3 2区综合性期刊 Q1 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Sensors Journal Pub Date : 2025-03-28 DOI:10.1109/JSEN.2025.3551324

Zenan Hu;Yizhou Qi;Shengyao Jia;Yanwei Sun;Qing Li;Ge Shi

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引用次数: 0

Abstract

To address the growing demand for self-sustaining sensing systems powered by renewable energy for environmental monitoring, this article proposes a double-helical structure soil energy harvesting device and an integrated system for soil energy harvesting and moisture content sensing detection. The integrated system includes dc-dc converters, microcontrollers, and energy storage. The prepared double-helix soil battery (zinc-copper electrode) can provide a maximum output power of 0.2 mW under a 1-k

$\Omega $

load. This device increases power generation by reducing the distance between electrodes and increasing the contact area between electrodes. While harvesting direct current from the soil, the system can simultaneously monitor soil moisture content, using the relationship between electrical energy and soil moisture content to achieve integrated energy and information management. The system can achieve a measurement error of less than 2% for soil moisture content in the range of 5%–35%. This technology enables self-powered soil moisture monitoring and has promising applications in smart agriculture for soil condition monitoring and in landslide soil environment monitoring. Additionally, it can provide auxiliary power for field environmental monitoring equipment and sensors in areas with limited power supply.

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一种自收集土壤能量驱动的土壤水分传感系统

为了满足日益增长的对可再生能源驱动的自持式环境监测传感系统的需求，本文提出了一种双螺旋结构的土壤能量收集装置和一种土壤能量收集与含水量传感检测的集成系统。集成系统包括dc-dc转换器、微控制器和储能系统。所制备的双螺旋土壤电池（锌铜电极）在1 k ω负载下可提供0.2 mW的最大输出功率。该装置通过减少电极之间的距离和增加电极之间的接触面积来增加发电量。在采集土壤直流电的同时，系统可以同步监测土壤含水量，利用电能与土壤含水量的关系，实现能源与信息的一体化管理。该系统在5% ~ 35%的土壤含水量范围内，测量误差小于2%。该技术可实现自供电土壤湿度监测，在智能农业土壤状况监测和滑坡土壤环境监测中具有广阔的应用前景。此外，在电力供应有限的地区，它可以为现场环境监测设备和传感器提供辅助电源。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Sensors Journal 工程技术-工程：电子与电气

CiteScore

7.70

自引率

14.00%

发文量

2058

审稿时长

5.2 months

期刊介绍： The fields of interest of the IEEE Sensors Journal are the theory, design , fabrication, manufacturing and applications of devices for sensing and transducing physical, chemical and biological phenomena, with emphasis on the electronics and physics aspect of sensors and integrated sensors-actuators. IEEE Sensors Journal deals with the following: -Sensor Phenomenology, Modelling, and Evaluation -Sensor Materials, Processing, and Fabrication -Chemical and Gas Sensors -Microfluidics and Biosensors -Optical Sensors -Physical Sensors: Temperature, Mechanical, Magnetic, and others -Acoustic and Ultrasonic Sensors -Sensor Packaging -Sensor Networks -Sensor Applications -Sensor Systems: Signals, Processing, and Interfaces -Actuators and Sensor Power Systems -Sensor Signal Processing for high precision and stability (amplification, filtering, linearization, modulation/demodulation) and under harsh conditions (EMC, radiation, humidity, temperature); energy consumption/harvesting -Sensor Data Processing (soft computing with sensor data, e.g., pattern recognition, machine learning, evolutionary computation; sensor data fusion, processing of wave e.g., electromagnetic and acoustic; and non-wave, e.g., chemical, gravity, particle, thermal, radiative and non-radiative sensor data, detection, estimation and classification based on sensor data) -Sensors in Industrial Practice