花盆式太阳能手机充电器的研发花盆式太阳能手机充电器的研发毕业设计.docxVIP

推荐箱选 推荐箱选 花盆式太阳能手机充电器的研发花盆式太阳能手机充电器的研发 摘要 太阳能相对于其他的能源，是可再生的，永远也用不完，其他能源资源稀 缺有限，随着化石能源的日益枯竭、人们对环境保护问题的重视程度也在不断提 高，寻找洁净的替代能源问题变得越来越迫切。太阳能作为一种可再生能源它具 有取之不尽、用之不竭和清洁安全等特点，因此有着广阔的应用前景，光伏发电 技术也越来越受到人们的关注，随着光伏组件价格的不断降低和光伏技术的发 展，太阳能光伏发电系统将逐渐山现在的补充能源向替代能源过渡。 通过太阳能电池板将太阳能转换为电能，有单片机编程实现PWM波控制开关 管从实现输出电压电流的改变，通过显示电路显示输出状态及大小，山ADC0809 实现数据的采集及转换并传给单片机做判断处理，从而实现电路的智能输出与控 制。 通过BUCK电路给蓄电池充电，蓄电池将太阳能电池板所发出的电能存储起 来，同时利用单片机控制整个系统的工作状态对蓄电池起到过充电保护、过放电 保护，最后，通过USB接口将稳定直流电供给手机。另外，外观设计为盆栽树状 以确保太阳能电池板采光充足。充电过程中采用LED灯、数码管指示，系统中设 计有完备的过流过压保护，避免因电池过度充电而损坏，并且充电器釆用模块式 结构和USB接口，可对手机，MP3、摄像机等多种数码产品充电。当光线不够强 时，指示灯不亮，蓄电池为手机充电，光线足够强时，指示灯亮，太阳能电池板 供电，同时可为充电电池充电。软件的设计釆用模块化设计方法，分为主程序部 分、数码管显示模块、AD转换釆集模块以PWM脉冲宽信号产生模块等。 关键词太阳能，单片机，BUCK变换器 Abstract Solar relative to other energy, is a renewable, never exhaustless, other energy resources are scarce limited , Increasing depletion of fossil energy, its emphasis on environmental protection are also rising, look for clean alternative energy issues become more urgent? Solar energy as a renewable energy it has an inexhaustible and clean and safe and so on, so have a broad application prospects, photovoltaic power generation technology is more and more at tention, with the PV module continue to lower prices and photovoltaic technology, solar PV systems will gradually supplement the energy from the current transition to alternative energy. Convert solar energy into electric energy through the solar cell board, a microcontroller programming PWM wave to control the switch from the realization of output volt age and curren t changes, through the display circuit shows the output state and size, are implemented by ADC0809 acquisition and conversion of data and transmit it to the microcontroller judgment processing, so as to realize the intelligent output and control circuit? The BUCK circuit to charge the battery through the battery, the electricity generated by solar panels can be stored, and the use of single-chip microcomputer to control the working state of the whole s