The invention discloses a battery sampling device, a battery pack and an automated guided vehicle, and relates to the technical field of batteries. The battery pack comprises a plurality of battery cells, the plurality of battery cells are provided with sampling points, and the battery sampling device comprises a main control circuit; the substrate is provided with a plurality of openings, and the plurality of openings are respectively in one-to-one correspondence with the sampling points; the substrate is electrically connected with sampling points of the battery cell through a nickel-plated steel sheet arranged at the opening, and is provided with a plurality of output loops corresponding to the sampling points so as to output corresponding voltage sampling signals; the multiplexing circuit is used for acquiring a plurality of voltage sampling signals and switching and outputting the voltage sampling signals; the voltage detection circuit is used for receiving the voltage sampling signal and converting and outputting the voltage sampling signal into a voltage detection signal; wherein the multiplexing circuit is used for connecting or disconnecting a path between the output loop and the voltage detection circuit according to a switching control signal output by the main control circuit. The invention aims to improve the detection accuracy of the battery sampling device in the battery pack on each battery cell.

    本发明公开一种电池采样装置、电池组和自动导引运输车,涉及电池技术领域。电池组包括多个电芯,多个电芯均设有采样点,电池采样装置包括:主控电路;基板,基板设置有多个开口,多个开口分别与采样点一一对应;基板通过开口设置的镀镍钢片与电芯的采样点电连接,并设置多个与采样点对应的输出回路,以输出对应的电压采样信号;多路复用电路,用于获取多个电压采样信号并切换输出;电压检测电路,用于接收电压采样信号并转换输出为电压检测信号;其中,多路复用电路用于根据主控电路输出的切换控制信号导通或者断开输出回路与电压检测电路之间的通路。本发明旨在提高电池组中电池采样装置对各个电芯检测的准确度。


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    Title :

    Battery sampling device, battery pack and automated guided vehicle


    Additional title:

    电池采样装置、电池组和自动导引运输车


    Contributors:
    GONG PING (author) / XU ZHENGPENG (author) / XU SHUJIN (author) / ZHONG DUANHUA (author) / ZHAN QIJUN (author)

    Publication date :

    2025-03-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    G01R Messen elektrischer Größen , MEASURING ELECTRIC VARIABLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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