The invention provides a wake-up signal generating circuit and a vehicle charging system.The signal triggering circuit comprises a first triggering module and a second triggering module, and when the first triggering module receives a falling edge signal, the time interval between the falling edge signal and a previous rising edge signal is larger than a first preset duration, the first triggering module outputs the pulse signal of the first level, and under other conditions, the second level is output; and when the second trigger module receives a rising edge signal, the time interval between the rising edge signal and the last falling edge signal is greater than a second preset duration, the second triggering module outputs the pulse signal of the first level, and in other cases, the second triggering module outputs the second level. Through the configuration, the wake-up signal is output at a proper time, the actual working requirement of the controller is met, and the problems that a charging wake-up circuit in the prior art cannot completely realize a better expected output signal scheme and cannot wake up the controller or enable the controller not to enter a sleep state under a specific working condition are solved.

    本发明提供了一种唤醒信号发生电路以及车辆充电系统,其中,所述信号触发电路包括第一触发模块和第二触发模块,所述第一触发模块接收到离上一个上升沿信号的时间间隔大于第一预设时长的下降沿信号时,输出第一电平的脉冲信号,在其他情况下,均输出第二电平;所述第二触发模块接收到离上一个下降沿信号的时间间隔大于第二预设时长的上升沿信号时,输出所述第一电平的脉冲信号,在其他情况下,均输出所述第二电平。如此配置,在合适的时机输出唤醒信号,符合控制器实际的工作需要,解决了现有技术中的充电唤醒电路存在无法完全实现较优的预期输出信号方案,并且在特定工况下无法唤醒控制器或者让控制器无法进入休眠的问题。


    Access

    Download


    Export, share and cite



    Title :

    Wake-up signal generating circuit and vehicle charging system


    Additional title:

    一种唤醒信号发生电路以及车辆充电系统


    Contributors:
    SUN XURAN (author) / YANG SHOUJIAN (author)

    Publication date :

    2021-07-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung



    Wake-up circuit, vehicle-mounted charger, vehicle-mounted charging system and wake-up method

    NING DING / ZHANG BO / ZHANG LIJUAN et al. | European Patent Office | 2021

    Free access

    Lithium battery BMS charging wake-up and charging signal detection circuit

    ZHANG YUPING / HU ZHENGGUANG / BIE CHUANYU et al. | European Patent Office | 2024

    Free access

    AC charging CP signal wake-up and sleep circuit for electric vehicle

    WANG WENLIN / DING JIAN / ZHU FUCHENG | European Patent Office | 2022

    Free access

    Electric vehicle charging wake-up circuit and electric vehicle

    LI JUN / HAI BIN / LU FAYAN et al. | European Patent Office | 2023

    Free access

    AC charging CC signal detection circuit with wake-up function

    ZHANG MINGYAN | European Patent Office | 2021

    Free access