中短距離磁耦合無線能量傳輸研究與應用
發(fā)布時間:2018-01-20 02:18
本文關鍵詞: 中短距離 磁耦合無線能量傳輸 補償共振電路 磁共振耦合線圈系統(tǒng) 初級驅動電路 出處:《電子科技大學》2014年碩士論文 論文類型:學位論文
【摘要】:隨著電子產品對供能的通用性、便攜性及可持續(xù)性使用要求越來越高,無線能量傳輸(WPT)特別是對于中短距離無線能量傳輸的研發(fā)越來越迫切。毫無疑問中短距離磁耦合無線能量傳輸是一項非常新穎和實用的供能技術,此技術與傳統(tǒng)供能方式即有線供電相比具有電子產品移動性強、極不易產生接觸性火花、環(huán)境美觀以及無電線暴露等特點,這些特點使此技術極其適用于便攜式電子設備、不穩(wěn)定易燃易爆環(huán)境下設備供能以及環(huán)境美化等特殊條件下的供能。此技術的研究與應用將極大的加強國內供能技術研究薄弱環(huán)節(jié),并且所研究的高穩(wěn)定安全性、中短距離、高效率及大功率的技術具有廣闊的前景和極高的價值,不僅可應用于電動能源車輛充電體系、無線傳感體系及無線射頻識別(RFID)方面,并且還在智能家居體系、便攜式電子移動設備、工業(yè)型智能機器、油田礦井等領域有極高的研究與應用價值,對電磁理論和應用技術的發(fā)展與普及具有深遠的意義。本文主要針對中短距離磁耦合無線能量傳輸系統(tǒng)進行研究與探索,通過理論論證、子系統(tǒng)仿真與優(yōu)化、總體系統(tǒng)調試與測試,驗證了中短距離磁耦合無線能量傳輸的可應用性與高效率性。開創(chuàng)性的設計與制作出可連接日常交流電源的印刷電路板(PCB)磁耦合無線能量傳輸整機系統(tǒng),并且需注意的是整機系統(tǒng)的工作距離與工作能量傳輸效率是整篇論文的研究重點與核心。在本論文開始階段,首先對三種無線能量傳輸技術進行對比闡述,并對中短距離磁耦合無線能量傳輸的國內外現狀進行分析,簡要的指出課題的主要工作內容和研究意義。然后,通過耦合模式理論對磁共振耦合模型進行理論分析,并基于基爾霍夫回路電壓方程分別對非補償共振電路和三種補償共振電路進行理論推導與分析。接著,通過電磁理論方法對磁共振耦合線圈系統(tǒng)進行理論推導和特性研究,并基于等效電路分析、HFSS仿真以及ADS仿真對補償共振電路進行負載輸出功率、能量傳輸效率和補償電容研究。隨后,分別對系統(tǒng)中的初級驅動電路和次級整流電路進行實際應用芯片確定及其工作原理分析,繪制系統(tǒng)初級整體電路和次級整體電路結構圖。其次,對磁耦合無線能量傳輸系統(tǒng)進行調試與實驗測試,確定最優(yōu)補償電容和工作頻率,實現可連接日常交流電進行無線能量傳輸。在本論文結尾部分,對課題所做工作進行總結,并對后續(xù)工作進行展望,闡述需要進一步改進的研究方向。
[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.
【學位授予單位】:電子科技大學
【學位級別】:碩士
【學位授予年份】:2014
【分類號】:TM724
【參考文獻】
相關期刊論文 前1條
1 傅文珍;張波;丘東元;王偉;;自諧振線圈耦合式電能無線傳輸的最大效率分析與設計[J];中國電機工程學報;2009年18期
,本文編號:1446447
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