Design and Optimization of Wireless Charging Drawer Coil for Smart Garments

被引：2
|
作者：
Chang, Chin-Wei [1 ]
Riehl, Patrick [2 ]
Lin, Jenshan [1 ]
机构：
[1] Univ Florida, Dept Elect & Comp Engn, Gainesville, FL 32611 USA
[2] Analog Devices Inc, Wilmington, MA 01887 USA
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2022年 / 32卷 / 10期
关键词：
Couplings; Smart textiles; Inductive charging; Wireless communication; Optimization; Solenoids; Current measurement; Coil optimization; smart garment; wireless power transfer (WPT); HEALTH;
D O I：
10.1109/LMWC.2022.3172407
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, wireless charging chests suitable for smart garments are analyzed and optimized. The coil structure is optimized to generate a uniform magnetic field in a variety of drawer sizes. With the hybrid Helmholtz-solenoid coil structure, the variation of coupling factor is reduced from 78.2% to 26.4% as compared with solenoidal coil. Two design approaches for multidrawer chest are examined. In the first approach, the coils are optimized for individual drawers. In the second approach, the coils are optimized by considering the entire drawer chest. The measurement results show that the second approach further reduces the variation of charging current of receiver coils placed at different locations.
引用
收藏
页码：1227 / 1230
页数：4
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