摘要
为了缩短铅酸蓄电池的充电时间和延长其使用寿命,设计了一种太阳能LED路灯自动控制系统.通过实时采集蓄电池和太阳能电池板的电压来调整PWM波形的占空比,从而实现快速脉冲充电.恒压限流快速脉冲充电方法能有效消除蓄电池极化现象,提高充电效率.此系统能准确控制蓄电池充放电过程,可广泛用于农村道路亮化工程,具有可靠性高、性价比高、节能环保、CO2零排放等优点.
In order to shorten the charging time and extend the lifespan of lead-acid battery, an automatic con- trol system of Solar LED street lamp is designed. The duty ratio of the PWM wave is adjusted according to the real- time voltage of storage battery and solar panel, so as to realize fast pulse charging. The fast pulse charging method with constant voltage and limited current can effectively eliminate the phenomenon of polarization and improve the charging efficiency. The charging and discharging process of the battery can been precisely controlled. By this reli- able and cost-effective proposed system, rural roads can be illuminated with lower power lamps, no CO2 emissions, and environmentally friendly.
出处
《洛阳师范学院学报》
2014年第5期44-48,共5页
Journal of Luoyang Normal University
基金
福州大学阳光学院院级项目(2011B001)
