基于无线能量传输的充电平台设计及其性能分析
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1.泰山职业技术学院泰安271000;2.北京信息科技大学北京市光电信息与仪器工程研究中心北京市光电测试技术重点实验室北京100192

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TN86

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泰安市2015年科学技术发展计划(2015ZC1055)、国家自然科学基金 (61273071)、北京自然科学基金(8142028)资助项目


Research on electromagnetic resonance mode wireless energy transmission
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1. Taishan Polytechnic, Tai′an 271000, China; 2. Beijing Key Laboratory for Optoelectronics Measurement Technology, Beijing Engineering Research Center of Optoelectronic Information and Instruments,Beijing Information Science and Technology University, Beijing 100192, China

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    摘要:

    无线能量传输作为一种新型的电力传输技术,为数量飞速增长的电子产品提供了便捷的充电方式,然而大功率驱动电路、充电距离和效率一直是制约无线充电技术实际应用因素。针对这些问题,基于磁耦合无线能量传输理论,对无线充电的等效电路进行了理论分析,探讨了影响充电效率的主要因素。以STM32单片机作为控制核心,通过设计大功率H桥式驱动电路、整流电路等,研制并搭建了无线能量传输充电实验平台,并对系统工作频率、无线充电距离以及有无中继线圈对系统性能的影响进行了实验和分析。结果表明所设计的无线能量传输充电平台具有相对完整的功能,且在24 V驱动电压、2 cm充电距离的情况下,负载接收功率达到了2.5 W。

    Abstract:

    As a new type of power transmission technology, wireless energy transmission provides a convenient charging way for the rapid growth of electronic products. The large power driving circuit, charging distance and efficiency have been factors restricting the application of wireless charging technology. In order to solve these problems, the equivalent circuit of wireless charging is analyzed theoretically based on the theory of magnetic coupling wireless energy transmission, and the main factors that affect the charging efficiency are discussed. Using STM32 microcontroller as control core, a wireless power transmission charging experimental platform is built through the design of high power H bridge driving circuit and rectifier circuit. Based on this platform, factors affecting the system performance analyzed, including the operating frequency of the system, the distance of wireless charging and the relay coil. The results show that the system function of the wireless energy transmission charging platform is relatively complete. With the certain 24 V driving voltage and the certain charging distance of 2 cm, the load receiving power can reach 2.5 W.

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张丽娟,刘锋.基于无线能量传输的充电平台设计及其性能分析[J].电子测量技术,2017,40(5):5-9

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  • 在线发布日期: 2017-07-13
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