为了更好地对直流电源进行控制和监测 ,介绍了一种基于单片微机 80C196的微机控制直流电源充放电装置。该装置有浮充、均充、逆变放电及根据电池状态自动选择充电方式的功能。运行实践证明 ,它具有硬件电路简单、控制精度高、运行灵活、抗干扰能力强和高性能价格比的特点。它利用了单片机强大的判断和逻辑运算能力及软件的灵活性。通过对蓄电池状态的检测表明 ,微机控制充放电装置可实现对电池的自动充电和智能保护 ,保持蓄电池和直流系统母线电压一直处于良好的运行状态 ,从而延长蓄电池的使用寿命 ,简化运行操作 ,提高了直流系统运行的可靠性 In order to better control and monitor the DC power supply, a microcomputers control DC power charge and discharge device based on the single chip 80C196 is introduced. The device has floating charge, charge, inverter discharge and automatically select the charging mode according to battery status. Operation proved that it has the characteristics of simple hardware circuit, high control precision, flexible operation, strong anti-interference ability and high performance-price ratio. It takes advantage of the microcontroller’s powerful judgment and logic computing power and software flexibility. The test of the battery state shows that the computer-controlled charge-discharge device can automatically charge the battery and protect it intelligently, keep the bus voltage of the battery and the DC system in a good running state all the time, prolong the service life of the battery, simplify the operation and improve The reliability of DC system operation