The invention discloses a 800V power supply architecture system of a new energy automobile, which relates to the technical field of power distribution architecture of the new energy automobile and comprises 800V and 400V compatible circuits of a power battery, a relay adhesion and aging diagnosis circuit, a current sampling diagnosis and functional safety determination circuit, an AD differential amplification sampling circuit and a high-voltage on-off control circuit, the power battery comprises an 800V and 400V compatible circuit, a relay adhesion and aging diagnosis circuit and a current sampling diagnosis and function safety determination circuit; a simple circuit supporting 800V is designed for a new energy automobile power supply framework, the resistance detection range is large, the precision is high, and the logic is simple, so that a new energy automobile battery supports an 800V system, the current of the 800V system is halved compared with that of a 400V system under the same output efficiency, the wire harness cost is reduced, the overall weight of an automobile is reduced, the energy efficiency is improved, and the energy efficiency is improved. And the production cost is reduced.

    本发明公开了一种新能源汽车800V电源架构系统,涉及新能源汽车的配电架构技术领域,包括动力电池的800V和400V兼容电路、继电器黏连和老化诊断电路、电流采样诊断和功能安全确定电路、AD差分放大采样电路和控制高压通断电路,且所述动力电池的800V和400V兼容电路、继电器黏连和老化诊断电路、电流采样诊断和功能安全确定电路;本发明通过对新能源汽车电源架构设计一种支持800V的简单电路,不仅阻值检测范围大,且精度高逻辑简单,使得使新能源汽车电池支持800V系统,同等输出效率下800V系统比400V系统的电流减半,以降低线束成本,有助于减轻车辆整体重量,提高能效,并降低生产成本。


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    Title :

    800V power supply architecture system of new energy automobile


    Additional title:

    一种新能源汽车800V电源架构系统


    Contributors:
    ZHANG JUAN (author) / YANG YAN (author) / JIANG JINRONG (author) / SHAO XING (author) / DENG HAIDONG (author) / GU QUAN (author) / WANG SHUAIBING (author) / WANG QI (author) / QIU TUFA (author) / CHEN DONGSHENG (author)

    Publication date :

    2024-12-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen




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