A reverse connection protection circuit for an automobile emergency starting power supply comprises a switch K1 which is set as an emergency starting power supply main switch; the grid electrode of the field effect transistor Q5 is connected with the first end of the switch K1; the base electrode of the triode Q6 is connected with the drain electrode of the field effect transistor Q5, and the collector electrode of the triode Q6 is connected with a switching circuit connected between the negative electrode of a lithium battery pack of the automobile emergency starting power supply and a P-port; the collector electrode of the triode Q7 is connected with the emitter electrode of the triode Q6, the base electrode of the triode Q7 is connected between the B + port and the P-port, and the emitter electrode of the triode Q7 is connected with the B + port; the positive electrode of the diode D1 is connected with the B + port, and the negative electrode of the diode D1 is connected with the P-port. The reverse connection protection circuit can control the switching circuit to be switched off when the B + port and the P-port of the automobile emergency starting power supply are incorrectly connected with the automobile starting battery, so that the use safety of the automobile emergency starting power supply is improved, and the service life is prolonged.

    一种用于汽车应急启动电源的反接保护电路,包括:开关K1,其设置为应急启动电源总开关;场效应管Q5,其栅极与所述开关K1的第一端连接;三极管Q6,其基极与所述场效应管Q5的漏极连接,其集电极与连接在汽车应急启动电源的锂电池组的负极与P‑端口之间的开关电路连接;三级管Q7,其集电极与所述三极管Q6的发射极连接,其基极连接在B+端口与P‑端口之间,其发射极与B+端口连接;二极管D1,其正极与B+端口连接,其负极与P‑端口连接。本发明的反接保护电路能在汽车应急启动电源的B+端口和P‑端口与汽车启动电池连接不正确时,控制开关电路关断,增加了汽车应急启动电源的使用安全性,延长了使用寿命。


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Reverse connection protection circuit for automobile emergency starting power supply


    Weitere Titelangaben:

    一种用于汽车应急启动电源的反接保护电路


    Beteiligte:
    ZHANG BINGBING (Autor:in) / BAO XUDONG (Autor:in) / FAN QIAN (Autor:in) / YAO YUQING (Autor:in)

    Erscheinungsdatum :

    2024-03-01


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / H02H EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS , Schutzschaltungsanordnungen



    Short-circuit protection starting switch and method, emergency starting power supply circuit and automobile

    LI HAIBO / BAO XUDONG / YAO YUQING et al. | Europäisches Patentamt | 2024

    Freier Zugriff


    Automobile emergency starting power supply

    XU MINGZHAO / LEE HYUN-SOON / LIN ZHONGMING et al. | Europäisches Patentamt | 2023

    Freier Zugriff

    Portable automobile emergency starting power supply

    NIE ZHIHONG / XIAN JINMAN | Europäisches Patentamt | 2020

    Freier Zugriff

    Automobile generator charging interception circuit for automobile emergency starting power supply

    TENG XIAOHUI / BAO XUDONG / FAN QIAN et al. | Europäisches Patentamt | 2024

    Freier Zugriff