The invention discloses a charging control method, a charging circuit and an electric device, and relates to the technical field of batteries. The electric device comprises a battery module and a charging circuit connected with the battery module; the battery module is provided with a plurality of battery packs which are connected in series and in parallel; the method comprises the steps that after connection is established between a charging input interface and an external power supply, the power supply type and the output voltage of the external power supply are determined; under the condition that the power supply type of the external power supply is a direct-current power supply and the output voltage of the external power supply is not matched with the charging voltage of the battery module to be charged, controlling the series-parallel connection relationship among the plurality of battery packs to be switched, so that the plurality of battery packs of the battery module form a plurality of charging groups, the charging voltage of each charging group is matched with the output voltage of an external power supply; therefore, the output voltage accessed to the external power supply charges each charging group, supplies voltage to the load and outputs the voltage to the energy storage output interface. The invention aims to improve the working flexibility of the electric device.

    本发明公开一种充电控制方法、充电电路及电动装置,涉及电池技术领域。电动装置包括电池模块和与电池模块连接的充电电路;电池模块具有多个彼此串并联连接的电池包;方法包括:在充电输入接口与外部电源之间建立连接后,确定外部电源的电源类型和外部电源的输出电压大小;在外部电源的电源类型为直流电源且外部电源的输出电压与待充电电池模块的充电电压不匹配的情况下,控制多个电池包之间的串并联连接关系进行切换,以使电池模块的多个电池包组成多个充电组,且每一充电组的充电电压与外部电源的输出电压匹配;以使接入外部电源的输出电压为各个充电组进行充电,以及为负载供电电压并输出至储能输出接口。本发明旨在提高电动装置工作的灵活性。


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    Title :

    Charging control method, charging circuit and electric device


    Additional title:

    充电控制方法、充电电路及电动装置


    Contributors:
    LING WENSHENG (author) / LI HANQI (author) / HU XIYI (author)

    Publication date :

    2025-05-23


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H01M Verfahren oder Mittel, z.B. Batterien, für die direkte Umwandlung von chemischer in elektrische Energie , PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY



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