中短距离磁耦合无线能量传输研究与应用

发布时间：2018-01-20 02:18

本文关键词： 中短距离磁耦合无线能量传输补偿共振电路磁共振耦合线圈系统初级驱动电路　出处：《电子科技大学》2014年硕士论文　论文类型：学位论文

【摘要】：随着电子产品对供能的通用性、便携性及可持续性使用要求越来越高,无线能量传输(WPT)特别是对于中短距离无线能量传输的研发越来越迫切。毫无疑问中短距离磁耦合无线能量传输是一项非常新颖和实用的供能技术,此技术与传统供能方式即有线供电相比具有电子产品移动性强、极不易产生接触性火花、环境美观以及无电线暴露等特点,这些特点使此技术极其适用于便携式电子设备、不稳定易燃易爆环境下设备供能以及环境美化等特殊条件下的供能。此技术的研究与应用将极大的加强国内供能技术研究薄弱环节,并且所研究的高稳定安全性、中短距离、高效率及大功率的技术具有广阔的前景和极高的价值,不仅可应用于电动能源车辆充电体系、无线传感体系及无线射频识别(RFID)方面,并且还在智能家居体系、便携式电子移动设备、工业型智能机器、油田矿井等领域有极高的研究与应用价值,对电磁理论和应用技术的发展与普及具有深远的意义。本文主要针对中短距离磁耦合无线能量传输系统进行研究与探索,通过理论论证、子系统仿真与优化、总体系统调试与测试,验证了中短距离磁耦合无线能量传输的可应用性与高效率性。开创性的设计与制作出可连接日常交流电源的印刷电路板(PCB)磁耦合无线能量传输整机系统,并且需注意的是整机系统的工作距离与工作能量传输效率是整篇论文的研究重点与核心。在本论文开始阶段,首先对三种无线能量传输技术进行对比阐述,并对中短距离磁耦合无线能量传输的国内外现状进行分析,简要的指出课题的主要工作内容和研究意义。然后,通过耦合模式理论对磁共振耦合模型进行理论分析,并基于基尔霍夫回路电压方程分别对非补偿共振电路和三种补偿共振电路进行理论推导与分析。接着,通过电磁理论方法对磁共振耦合线圈系统进行理论推导和特性研究,并基于等效电路分析、HFSS仿真以及ADS仿真对补偿共振电路进行负载输出功率、能量传输效率和补偿电容研究。随后,分别对系统中的初级驱动电路和次级整流电路进行实际应用芯片确定及其工作原理分析,绘制系统初级整体电路和次级整体电路结构图。其次,对磁耦合无线能量传输系统进行调试与实验测试,确定最优补偿电容和工作频率,实现可连接日常交流电进行无线能量传输。在本论文结尾部分,对课题所做工作进行总结,并对后续工作进行展望,阐述需要进一步改进的研究方向。
[Abstract]:With the generality, portability and sustainable use of electronic products, the requirements for energy supply become more and more high. Wireless energy transmission (WPTT), especially for medium and short distance wireless energy transmission, is becoming more and more urgent. There is no doubt that short and medium distance magnetic coupling wireless energy transmission is a very novel and practical energy supply technology. Compared with the traditional power supply, such as wired power supply, this technology has the characteristics of strong mobility of electronic products, extremely difficult to generate contact sparks, beautiful environment and no wire exposure and so on. These features make the technology extremely suitable for portable electronic devices. The research and application of this technology will greatly strengthen the weak link of domestic energy supply technology research and application under special conditions such as equipment energy supply and environment beautification under unstable flammable and explosive environment. The technology of high stability, short distance, high efficiency and high power has broad prospect and high value. It can not only be used in charging system of electric energy vehicle. Wireless sensing system and radio frequency identification (RFID), and also in the smart home system, portable electronic mobile equipment, industrial intelligent machines, oil field mines and other areas of high research and application value. It is of great significance to the development and popularization of electromagnetic theory and applied technology. This paper mainly focuses on the research and exploration of medium and short distance magnetic coupling wireless energy transmission system. Through theoretical demonstration subsystem simulation and optimization. Overall system debugging and testing. The applicability and high efficiency of medium and short distance magnetic coupling wireless energy transmission are verified. A groundbreaking design and fabrication of printed circuit board (PCB), which can be connected to daily AC power supply. Magnetic coupling wireless energy transmission system. What we should pay attention to is that the working distance and working energy transmission efficiency of the whole system are the focus and core of the whole paper. At the beginning of this paper, the three wireless energy transmission technologies are compared. At the same time, this paper analyzes the current situation of the medium and short distance magnetic coupling wireless energy transmission at home and abroad, briefly points out the main work of the subject and the significance of the research. Then. The coupling model of magnetic resonance is analyzed by coupling mode theory, and the uncompensated resonance circuit and three kinds of compensating resonance circuit are deduced and analyzed based on Kirchhoff circuit voltage equation. The theory and characteristics of magnetic resonance coupled coil system are deduced by electromagnetic theory method, and the load output power of compensating resonance circuit is analyzed based on equivalent circuit analysis and ADS simulation. Research on energy transmission efficiency and compensation capacitance. Then, the primary drive circuit and secondary rectifier circuit in the system are determined and their working principles are analyzed. Draw the primary circuit and sub-integrated circuit structure diagram. Secondly, the magnetic coupling wireless energy transmission system debugging and experimental testing to determine the optimal compensation capacitance and working frequency. In the last part of this paper, the work of this paper is summarized, and the future work is prospected, and the research direction that needs further improvement is expounded.
【学位授予单位】：电子科技大学
【学位级别】：硕士
【学位授予年份】：2014
【分类号】：TM724

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