The invention discloses a vehicle battery power supply detection system which mainly solves the problem that an existing vehicle power supply detection system cannot achieve single battery cell detection of a battery pack. The detection system comprises a master control MCU, and a current input signal detection circuit, a current output signal detection circuit and a battery detection circuit which are connected with the master control MCU. The battery detection circuit comprises a plurality of voltage comparators connected to the two ends of each cell of a battery, a control circuit connected with the output ends of the voltage comparators, and a change-over switch connected with the control circuit and used for switching on and off between the battery and a load. The current input signal detection circuit and the current output signal detection circuit are arranged to detect whether the vehicle battery is in a charging state or a power supply state, so that the battery detection circuit is started to detect a single cell in the battery, and the state of the battery can be fed back more efficiently through independent detection of the single cell of the battery; therefore, the battery and the vehicle are protected.

    本发明公开了一种车辆电池供电检测系统,主要解决现有车辆供电检测系统无法实现电池组单电芯检测的问题。该检测系统包括主控MCU,以及与主控MCU相连的电流输入信号检测电路、电流输出信号检测电路和电池检测电路;其中,所述电池检测电路包括多个连接于电池每个电芯两端的电压比较器,与电压比较器的输出端均相连的控制电路,以及与控制电路相连用于切换电池与负载之间导通与关断的切换开关。本发明通过设置电流输入信号检测电路、电流输出信号检测电路检测车辆电池是处于充电状态还是供电状态,从而再启动电池检测电路对电池中的单个电芯进行检测,通过对电池单个电芯的独立检测,能更加高效的反馈电池的状态,从而对电池和车辆进行保护。


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    Title :

    Vehicle battery power supply detection system and detection method


    Additional title:

    一种车辆电池供电检测系统及检测方法


    Contributors:
    YANG PING (author)

    Publication date :

    2022-03-11


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / B60Q ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL , Anordnung von Signal- oder Beleuchtungsvorrichtungen, deren Einbau oder Halterung oder deren Schaltkreise bei Fahrzeugen allgemein



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