【摘要】：以無線傳感器網(wǎng)絡(luò)節(jié)點(diǎn)無線充電應(yīng)用為背景,采用具有磁場放大作用的中繼諧振線圈,解決遠(yuǎn)距離、小尺寸接收端在極弱耦合系數(shù)(10?4量級)條件下所帶來的無線電能傳輸問題。通過分析中繼線圈的在諧振頻率時的工作特征以及電流放大的理論機(jī)理,設(shè)計(jì)具有磁場增強(qiáng)功能的中繼線圈,并研究其頻率特性,同時實(shí)現(xiàn):1耦合諧振時中繼線圈對源級電流放大四倍以上;2通過采用將中繼線圈與源級線圈置于同一平面的結(jié)構(gòu)優(yōu)化系統(tǒng)空間尺寸;3直徑5cm接收端線圈在距離1m時為功率LED進(jìn)行無線供電。
[Abstract]:Based on the wireless charging application of wireless sensor network nodes, the relay resonant coil with magnetic field amplification is used to solve the radio energy transmission problem caused by long distance and small size receiver under the condition of very weak coupling coefficient (10 鈮，

本文編號：2514553