谐振耦合式电能无线传输系统研究
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摘要
2007年初,美国麻省理工学院的科研人员利用电磁谐振耦合原理,使用两个相距2米的铜线圈,成功地通过非接线的方式将能量传送给一个功率为60瓦的电灯泡,从而掀起了研究电能无线传输技术的热潮。
谐振耦合式电能无线传输技术作为一种新型的电能传输技术,利用电磁谐振耦合原理,该技术综合应用高频逆变技术、谐振补偿技术、谐振耦合技术、高频整理滤波稳压技术等等,通过两个具有相同谐振频率的线圈产生高频交变耦合磁场实现电能在一定距离范围内传输。相对于传统的接线式电能传输技术,该技术更加灵活、安全、可靠,能实现供电设备和用电设备之间的中程距离电能传输,具有无方向性、穿透性强等优点。
由于目前谐振耦合式电能无线传输技术仍处于发展起步阶段,国内对其理论分析和试验研究还不成熟,且影响系统传输特性的因素太多,在传输功率、传输效率和传输距离上离实际应用还有差距,为保证系统达到较好的传输效果,需要综合考虑系统各环节的选型与设计,分析各参数对传输特性的影响。
基于此,本文详细的介绍了谐振耦合式电能无线传输系统主要环节的选型与设计,通过实验对比分析各参数对系统传输功率、传输效率和传输距离的影响,并制作试验样机进行验证。
本文主要完成了以下内容：
1.介绍了目前主要几种电能无线传输技术(包括电磁感应式、微波式、谐振耦合式)的国内外研究现状。针对目前国内相关理论和实验研究欠缺的现状,阐述了本文的研究目的和意义以及研究的主要内容。
2.从物理学的角度阐述了谐振耦合式电能无线传输系统,将系统发射的电磁场划分为近区磁场和远区磁场。然后介绍谐振耦合式电能无线传输系统的工作原理和系统结构,分析涉及系统的关键技术：高频逆变技术、谐振补偿技术、谐振耦合技术、整流滤波技术。
3.详细介绍了谐振耦合式电能无线传输系统各主要电路的选型与设计,并给出系统每部分的设计指导措施。
4.主要通过对比实验来分析研究,分析了影响系统传输功率与传输效率的有关因素,对影响传输距离的各因素进行了实验研究分析。
5.通过LTspice软件对系统发射端进行仿真分析,为具体器件选型提供直接依据。对第一阶段小型样机进行分析研究和实验测试,找出制约传输距离和传输效率的原因。第二阶段试验样机在第一阶段样机的基础上进行改进,预计能达到较好效果。最后设计了谐振耦合式电能无线传输驱动小型电机系统,并进行穿透性实验,实验结果验证了样机的可行性。
In2007,the Massachusetts institute of technology's scientists using electronmagnetic resonance principle,use two apart2meters of copper wire circle,successfully through wireless transmission light electric energy to power a60watt light bulb,thus raised the research wireless transmission of power technology boom.
Resonance coupling is a new technology for wireless power transmission,which using the electromagnetic resonance coupling principle,this technology integrated application of high frequency inverter technology,resonant compensation technology,resonance coupling technique,high frequency voltage finishing filtering technology and so on,through the two have same resonance frequency of the coil produce high frequency magnetic alternating coupling realize power at a distance transmission range.Compared with the traditional connection type electric power transmission technology,this technology is more flexible,safe,reliable,can realize the power supply equipment and electric equipment of intermediate distance between power transmission,have no direction,through the gender is strong,etc.
Because the present resonance coupling wireless power transmission technology is still in the initial stage of development,the domestic relevant theoretical analysis and experimental research is still relatively lack,and influence factors of the system transmission characteristic too much,the transfer of the power transmission efficiency and transmission,the distance from the practical application and gap,to ensure that the system to achieve good transmission effect,takes into account system of each section of type selection and design,analysis parameters on the effect of the transmission characteristics.
Based on this,this paper introduces the resonance coupling wireless power transmission system of main link type selection and design,through the contrast analysis parameters on the system transmission power,transmission efficiency and the effect of the transmission distance,and production test mode is verified.
This paper mainly completed the following content:
1.This paper introduces the current several main power wireless transmission technology(including electromagnetic induction type,microwave type,resonance coupling type)at home and abroad and the research status.According to the current domestic related theory and the experimental research on the present situation of lacking,in this paper,this paper studies the purpose and the significance and the main contents.
2.From the aspects of physics resonance coupling wireless power transmission system,the system emit electromagnetic fields is divided into the the near and far magnetic filed area.And then introduced resonance coupling wireless transfer system principle and system structure,and analyzes the key technologies involved system:high frequency inverter technology,resonant compensation technology,resonance coupling technique,rectifier filtering technology.
3.Detailed introduces the resonance coupling wireless power transmission system and the main circuit of the selection of the design,and every part of the system is given general design guiding measures.
4.Main through the contrast experiment to analysis,this paper analyzes the influence of power and the transmission efficiency of transmission system of relevant factors,the effect factors of the transmission distance experimental analysis.
5.Through the LTspice software to launch the system simulation analysis for specific provide direct basis for the selection of the instruments.The first stage we analysis and test on small prototype,and find out the restricted the transmission distance and the cause of the transmission efficiency.The second stage test model in the first phase of the prototype based on improved,expected to achieve good results.Finally the resonant design of wireless transmission coupling power drive small motor system,and through experiment,the experimental results verify the feasibility of the prototype.
谐振耦合式电能无线传输技术作为一种新型的电能传输技术,利用电磁谐振耦合原理,该技术综合应用高频逆变技术、谐振补偿技术、谐振耦合技术、高频整理滤波稳压技术等等,通过两个具有相同谐振频率的线圈产生高频交变耦合磁场实现电能在一定距离范围内传输。相对于传统的接线式电能传输技术,该技术更加灵活、安全、可靠,能实现供电设备和用电设备之间的中程距离电能传输,具有无方向性、穿透性强等优点。
由于目前谐振耦合式电能无线传输技术仍处于发展起步阶段,国内对其理论分析和试验研究还不成熟,且影响系统传输特性的因素太多,在传输功率、传输效率和传输距离上离实际应用还有差距,为保证系统达到较好的传输效果,需要综合考虑系统各环节的选型与设计,分析各参数对传输特性的影响。
基于此,本文详细的介绍了谐振耦合式电能无线传输系统主要环节的选型与设计,通过实验对比分析各参数对系统传输功率、传输效率和传输距离的影响,并制作试验样机进行验证。
本文主要完成了以下内容：
1.介绍了目前主要几种电能无线传输技术(包括电磁感应式、微波式、谐振耦合式)的国内外研究现状。针对目前国内相关理论和实验研究欠缺的现状,阐述了本文的研究目的和意义以及研究的主要内容。
2.从物理学的角度阐述了谐振耦合式电能无线传输系统,将系统发射的电磁场划分为近区磁场和远区磁场。然后介绍谐振耦合式电能无线传输系统的工作原理和系统结构,分析涉及系统的关键技术：高频逆变技术、谐振补偿技术、谐振耦合技术、整流滤波技术。
3.详细介绍了谐振耦合式电能无线传输系统各主要电路的选型与设计,并给出系统每部分的设计指导措施。
4.主要通过对比实验来分析研究,分析了影响系统传输功率与传输效率的有关因素,对影响传输距离的各因素进行了实验研究分析。
5.通过LTspice软件对系统发射端进行仿真分析,为具体器件选型提供直接依据。对第一阶段小型样机进行分析研究和实验测试,找出制约传输距离和传输效率的原因。第二阶段试验样机在第一阶段样机的基础上进行改进,预计能达到较好效果。最后设计了谐振耦合式电能无线传输驱动小型电机系统,并进行穿透性实验,实验结果验证了样机的可行性。
In2007,the Massachusetts institute of technology's scientists using electronmagnetic resonance principle,use two apart2meters of copper wire circle,successfully through wireless transmission light electric energy to power a60watt light bulb,thus raised the research wireless transmission of power technology boom.
Resonance coupling is a new technology for wireless power transmission,which using the electromagnetic resonance coupling principle,this technology integrated application of high frequency inverter technology,resonant compensation technology,resonance coupling technique,high frequency voltage finishing filtering technology and so on,through the two have same resonance frequency of the coil produce high frequency magnetic alternating coupling realize power at a distance transmission range.Compared with the traditional connection type electric power transmission technology,this technology is more flexible,safe,reliable,can realize the power supply equipment and electric equipment of intermediate distance between power transmission,have no direction,through the gender is strong,etc.
Because the present resonance coupling wireless power transmission technology is still in the initial stage of development,the domestic relevant theoretical analysis and experimental research is still relatively lack,and influence factors of the system transmission characteristic too much,the transfer of the power transmission efficiency and transmission,the distance from the practical application and gap,to ensure that the system to achieve good transmission effect,takes into account system of each section of type selection and design,analysis parameters on the effect of the transmission characteristics.
Based on this,this paper introduces the resonance coupling wireless power transmission system of main link type selection and design,through the contrast analysis parameters on the system transmission power,transmission efficiency and the effect of the transmission distance,and production test mode is verified.
This paper mainly completed the following content:
1.This paper introduces the current several main power wireless transmission technology(including electromagnetic induction type,microwave type,resonance coupling type)at home and abroad and the research status.According to the current domestic related theory and the experimental research on the present situation of lacking,in this paper,this paper studies the purpose and the significance and the main contents.
2.From the aspects of physics resonance coupling wireless power transmission system,the system emit electromagnetic fields is divided into the the near and far magnetic filed area.And then introduced resonance coupling wireless transfer system principle and system structure,and analyzes the key technologies involved system:high frequency inverter technology,resonant compensation technology,resonance coupling technique,rectifier filtering technology.
3.Detailed introduces the resonance coupling wireless power transmission system and the main circuit of the selection of the design,and every part of the system is given general design guiding measures.
4.Main through the contrast experiment to analysis,this paper analyzes the influence of power and the transmission efficiency of transmission system of relevant factors,the effect factors of the transmission distance experimental analysis.
5.Through the LTspice software to launch the system simulation analysis for specific provide direct basis for the selection of the instruments.The first stage we analysis and test on small prototype,and find out the restricted the transmission distance and the cause of the transmission efficiency.The second stage test model in the first phase of the prototype based on improved,expected to achieve good results.Finally the resonant design of wireless transmission coupling power drive small motor system,and through experiment,the experimental results verify the feasibility of the prototype.
引文
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