The embodiment of the invention provides a battery replacing cabinet with dynamic current distribution and a charging method. The battery replacing cabinet comprises a power supply device which is used for being connected to a power supply network and supplying power to the battery replacing cabinet; at least one charging terminal which is used for respectively charging one battery; wherein each charging terminal comprises a power supply input end used for obtaining power from a power supply device; a charging output end which is used for outputting charging current and charging a connected battery; a DC/DC transformer used for converting voltage output by a power supply device into voltage required by a battery; and a control circuit which is used for receiving the required power and thecurrent power of the battery reported by each DC/DC transformer, and issuing limiting power to each DC/DC transformer according to a preset rule, so that each DC/DC transformer performs power adjustment according to the issued limiting power. In this way, the charging current needed by the batteries can be matched in real time according to the number of the batteries in the battery replacing cabinet, finally dynamic charging is achieved, and the charging efficiency is improved.
本公开的实施例提供了具备动态电流分配的换电柜及充电方法。所述换电柜包括供电装置,用于连接到供电网络,为换电柜供电;至少一个充电端子,用于分别为一个电池充电;其中,每个所述充电端子包括,供电输入端,用于从供电装置获取功率;充电输出端,用于输出充电电流,为连接的电池充电;DC/DC变压器;用于将供电装置输出的电压转换为电池所需的电压;控制电路,用于接收各DC/DC变压器上报的电池的需求功率与当前功率,根据预设规则为各DC/DC变压器下发限制功率,以便各DC/DC变压器根据所述下发限制功率进行功率调节。以此方式,可以根据换电柜中电池数量的多少,来实时匹配电池所需要的充电电流,最终实现动态充电,提高充电效率。
Battery replacing cabinet with dynamic current distribution and charging method
具备动态电流分配的换电柜及充电方法
2020-10-27
Patent
Electronic Resource
Chinese
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