基于单片机的区域自动气象站太阳能充放电控制器设计

文章利用PIC16F676单片机作为控制核心,辅以必要的外围电路,设计了一种区域自动气象站太阳能充放电控制器。详细介绍了电路原理、各种功能实现方法及软件程序流程图,给出了测试结果。该控制器更加适合区域自动气象站太阳能供电,克服了冬天低气温环境条件下蓄电池难以充满、夏天高气温环境条件下蓄电池过充电的弊端,限制蓄电池小电流过放电,可有效延长蓄电池的使用寿命。

A solar charge and discharge controller for regional automatic weather station is designed by using PIC16F676 microcomputer as control center and adopting essential periphery circuits.The circuit principle,implementation methods of various functions and software program diagram are introduced in detail.And the test results are given out.The controller is more suitable for solar power supply of regional automatic weather stations,because it overcomes the disadvantage that the battery is difficult to be filled under low temperature in winter and overcharge under high temperature in summer.The over discharge of battery is limited when it works at low current,which would prolong the service life of battery.

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