基于-单片机的无线充电器设计

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基于单片机的无线充电器设计

学生:

学生学号:

院(系):电气信息工程学院

年级专业:电子信息工程

指导教师:

助理指导教师:

二〇一五年五月

摘要

随着用电设备对供电质量、可靠性、方便性、安全性、特殊场合、特殊地理环境等要求的不断提高,接触式的电能传输方式对于满足实际需要越来越显得捉襟见肘了。与此同时,无线电能传输系统,摆脱了线路的限制,实现电器和电源的完全分离,具有无线传输电能、设备体积小、传输效率高、便于携带和集成等优点。

本课题设计介绍了一种运用新型的能量传输利用电磁波感应原理和有关的交流感应技术,采用STC12C5A60S2低功耗单片机作为无线传能充电器的监测控制核心,实现电流控制和电压控制功能,电能充满后给出充满提示且自动停止充电。基于STC12C5A60S2单片机控制发射端和接收端产生的相应交流信号来进行充电的智能无线充电器。

利用设计通过对系统的硬件部分和软件部分的设计实现无线能量传输,在距离发射线圈的指定围对小型用电器如手机、MP3等直接充电。硬件部分包括高效直流稳压模块、驱动模块、显示模块、控制模块等的设计;软件部分主要根据系统的设计思想设计出了主程序和子程序流程图,并通过C语言实现相应的编程要求。通过理论分析和仿真证明,建立谐振耦合无线电能传输系统模型以及谐振耦合无线电能传输系统模型,通过计算得出了系统中电路参数与输出功率的关系。设计并制作谐振耦合无线电能装置,使用LCD1602设计显示,实时充电电压显示。

关键词无线电能传输,谐振耦合,无线充电器, LCD1602,STC12C5A60S2单片机

ABSTRACT

This paper introduced the use of a power transmission technology, wireless power supply technology model, using the principle of electromagnetic induction and the induction technology,intelligent wireless charger for charging the AC signal based on the STC12C5A60S2 single-chip microcomputer to control the transmitting end and the environment and other requirements continue to increase, the power transmission mode of contact to meet the actual needs become more and more difficult. At the same time, wireless power transmission system, get rid of the limit line, completely separate electrical and power, with the wireless transmission of electrical energy, the equipment has the advantages of small volume, high transmission efficiency, easy to carry and integration. In the rapid development of science and technology in 21 Century, the prospects for the development of intelligent wireless charger .

The design through the design of the hardware part and the software part of the system to achieve the wireless energy transmission, within the specified range of the transmitting coil in small appliances such as mobile phone, MP3 and other direct charge. The hardware part includes efficient DC power module, drive module, display module, control module and so on; the software part is mainly based on the design thought of the system design of the main program and the subprogram flow chart, and through the C language to achieve the corresponding programming requirements. relationship between the circuit parameters and the output power of the system. The design and fabrication of resonant coupling wireless device, using the LCD1602 design draw progress bar shows charging, charging voltage, charging time display.

Key words radio transmission, resonant coupling, wireless

charger ,LCD1602 STC12C5A60S2

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