电动自行车无线充电线圈特性对充电效率的影响  

Influence of Coil Characteristics on Charging Efficiency in Electric Bicycle Wireless Charging System

作　　者：杨夏喜 黄莹 王猛猛 王小飞 

机构地区：[1]苏州市产品质量监督检验院,苏州215100

出　　处：《日用电器》2024年第5期59-64,100,共7页ELECTRICAL APPLIANCES

摘　　要：探究节能减排的大环境下,电动自行车充电有线、无线方式的特点。介绍电动自行车的无线充电原理,分析线圈特性在无线充电系统的影响。基于COMSOLMultiphysics软件平台,对无线充电系统进行仿真,并着重分析系统中线圈的部分特性。仿真系统着重针对线圈的形状、轴向距离、水平偏移特性,以线圈互感为切入点进行仿真分析,并将数据整理成图表,直观的表现出线圈特性对无线充电系统充电效率的影响。系统根据实际应用场景可能出现的情况进行仿真,由仿真结果可知,无线充电系统中的线圈特性对整个系统的电能传输效率有着极其重要的影响,因此,优化设计无线充电系统中的线圈,可以有效的提升无线充电效率。Explore the characteristics of wired and wireless electric bicycle charging under the environment of energy saving and emission reduction.This paper introduces the principle of electric bicycle wireless charging and analyzes the influence of coil characteristics on wireless charging system.Based on COMSOL Multiphysics soffware platform,the wireless charging system was simulated,and some characteristics of the coils in the system were analyzed.The simulation system focuses on the shape,axial distance and horizontal migration characteristics of the coil,takes the coil mutual inductance value as the starting point for simulation analysis,and collates the data into charts to intuitively show the influence of coil characteristics on the charging efficiency of the wireless charging system.The system is simulated according to the possible situations in the actual application scenarios.The simulation results show that the coil characteristics in the wireless charging system have an extremely important impact on the power transmission efficiency of the entire system.Therefore,optimizing the coil design in the wireless charging system can effectively improve the wireless charging efficiency.

关 键 词：电动自行车 无线充电 线圈特性 充电效率 COMSOL Multiphysics 互感 

分 类 号：U484[交通运输工程—载运工具运用工程] TM910.6[交通运输工程—道路与铁道工程]