The invention discloses an emergency active discharging circuit, a discharging method, a discharging device and circuit control equipment, relates to the technical field of motor discharging, and mainly aims to meet the rapid discharging requirement and the high-voltage safety requirement of a whole vehicle and improve the discharging safety and reliability. According to the main technical scheme, the emergency active discharge circuit comprises an isolation circuit and a main discharge circuit; the isolation circuit is respectively connected with the vehicle control unit and the main discharge circuit and is used for receiving an active discharge signal sent by the vehicle control unit or triggering the active discharge signal after low-voltage power failure and transmitting the active discharge signal to the main discharge circuit; and the main discharge circuit is arranged on the bus corresponding to the thin-film capacitor and is used for executing active discharge operation on the bus voltage corresponding to the thin-film capacitor based on the PCT resistor when receiving the active discharge signal. The active discharging device is used for actively discharging the thin-film capacitor so as to meet the rapid discharging requirement and the high-voltage safety requirement of the whole vehicle.

    本申请公开了一种紧急主动放电电路、放电方法、放电装置及电路控制设备,涉及电机放电技术领域,主要目的在于满足整车快速放电需求和高压安全需求,提高放电的安全性和可靠性。本申请主要的技术方案为一种紧急主动放电电路,电路包括:隔离电路、主放电电路;隔离电路,分别与整车控制器和所述主放电电路连接,用于接收整车控制器发出的主动放电信号或在低压掉电后触发主动放电信号,并向主放电电路传输主动放电信号;主放电电路,设置于薄膜电容对应的母线上,用于在接收到主动放电信号时基于PCT电阻对薄膜电容对应的母线电压执行主动放电操作。本申请用于对薄膜电容主动放电,以满足整车快速放电需求和高压安全需求。


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    Titel :

    Emergency active discharge circuit, discharge method, discharge device and circuit control equipment


    Weitere Titelangaben:

    一种紧急主动放电电路、放电方法、放电装置及电路控制设备


    Beteiligte:
    YUAN JINDONG (Autor:in) / XU JINGJING (Autor:in) / WANG AIGUO (Autor:in)

    Erscheinungsdatum :

    14.06.2024


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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