School of Technology, Beijing Forestry University, Key Lab of State Forestry Administration on Forestry Equipment and Automation, Beijing, China.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China.
PLoS One. 2019 Aug 9;14(8):e0221019. doi: 10.1371/journal.pone.0221019. eCollection 2019.
As a new strategy to power forest wireless sensors in remote areas, an environmental microenergy collection device has been improved, and field experiments were carried out under natural conditions for the first time. The thermoelectric power generation devices used a gravity-assisted heat pipe to transmit heat from shallow soil to ground level, and a thermoelectric generator (TEG) was employed to generate electric power from the temperature difference between soil and air. Over the 6-month experimental period at two natural sites, approximately 128.74 J of energy could be harvested in a single day, and 5 209.92 J of energy could be harvested in a generation cycle. The results showed the feasibility of using this green energy to power wireless sensors in remote forests or other environments, This work is relevant to the current acute energy shortages and environmental pollution problems.
作为为偏远地区的森林无线传感器供电的一种新策略，改进了一种环境微能源收集装置，并首次在自然条件下进行了现场试验。热电发电装置使用重力辅助热管将热量从浅层土壤传递到地面，并且使用热电发生器（TEG）利用土壤和空气之间的温差来产生电能。在两个自然地点进行的 6 个月的实验期间，每天可以收集大约 128.74 J 的能量，在一个发电周期中可以收集 5 209.92 J 的能量。结果表明，使用这种绿色能源为偏远森林或其他环境中的无线传感器供电是可行的。这项工作与当前的能源短缺和环境污染问题有关。
