The invention discloses a charger and a charging method, the charger comprises a controller, an AC/DC converter, a DC/DC converter and a battery, the AC side of the AC/DC converter is connected with an AC power grid, and the DC/DC converter is connected in series between the DC side of the AC/DC converter and the battery; the controller is connected with the AC/DC converter, the DC/DC converter and the battery to obtain a first voltage output by the DC side of the AC/DC converter, a second voltage at the two ends of the battery and a battery current, and regulating the output voltage and the output current of the DC/DC converter according to the first voltage, the second voltage and the battery current. According to the invention, the purposes of reducing the size of the charger and reducing the cost of the charger are achieved.
本发明公开了一种充电机及充电方法,该充电机包括:控制器、AC/DC变换器、DC/DC变换器和电池,AC/DC变换器的交流侧与交流电网连接,DC/DC变换器串联于AC/DC变换器的直流侧与电池之间;其中,控制器与AC/DC变换器、DC/DC变换器和电池分别连接,用于获取AC/DC变换器直流侧输出的第一电压、电池两端的第二电压和电池电流,并根据第一电压、第二电压和电池电流,调节DC/DC变换器的输出电压和输出电流。本发明实现了减小充电机体积、降低充电机成本的目的。
Charger and charging method
充电机及充电方法
2020-05-22
Patent
Electronic Resource
Chinese