用于货架电子设备的准无线电能传输技术  

Quasi-wireless power transmission technology for shelf electronic device

作　　者：赵锦辉 陈希有[1] 金鑫 于峰权 ZHAO Jinhui;CHEN Xiyou;JIN Xin;YU Fengquan(School of Electrical Engineering,Dalian University of Technology,Dalian 116024,China)

机构地区：[1]大连理工大学电气工程学院,辽宁大连116024

出　　处：《电工电能新技术》2024年第3期93-102,共10页Advanced Technology of Electrical Engineering and Energy

基　　金：国家自然科学基金项目(51877025)。

摘　　要：本文提出了一种可为金属货架上的微功耗电子设备以准无线方式供电或充电的技术。该技术包括发射和接收两部分,高频发射电源连接到货架层板以提供电能,接收电路使用集总元件,可以内置到电子设备中。通过分析电场耦合,建立了单接收及双接收系统的电路模型,并分析了功率效率传输特性。仿真及实验系统验证了所提技术的可行性。结果表明,接收设备可在货架平台内的任意位置获得稳定的电功率。接收设备数量增加时,系统的传输效率得以提高。六接收设备时,单个功率仍能在500 mW以上,足以驱动显示牌类的微功耗电子设备。This paper proposes a technology that can power or charge lightening electronic devices on a metal shelf in a quasi-wireless manner.The technology includes two parts:transmitting and receiving.The high frequency transmitting power supply is connected to the shelf layer to provide electric energy.The receiving circuit uses lumped elements that can be built into electronic devices.By analyzing the electric field coupling,the circuit models of single-receiver system and dual-receiver system are established,and the power efficiency transmission characteristics are analyzed.The feasibility of the proposed technology is verified by the simulation and experimental system.The results show that the receiver can obtain stable electrical power at any position on the shelf platform.When the number of receiver is increased,the transmission efficiency of the system is improved.When the number of receiver is six,the power of single receiver can still be above 500 mW,which is enough to drive the lightening electronic device of the display screen.

关 键 词：金属货架 微功耗电子设备 准无线电能传输 单发多收 

分 类 号：TM724[电气工程—电力系统及自动化]