The invention relates to an auxiliary power supply system for an electric vehicle, and belongs to the field of electronic technology. The auxiliary power supply system adopts the novel primary side feedback technology instead of the secondary side feedback technology widely applied in the prior art, adopts a digital compensation module to trace the voltage of a primary side auxiliary winding to obtain a relatively accurate feedback value, and adopts the quasi-resonant technology to further improve the efficiency and accuracy of the system. The auxiliary power supply system comprises a DC voltage source, an EMI filter, a switching convertor, the digital compensation module, a quasi-resonant circuit and a control chip. According to the auxiliary power supply system, the novel digital compensation module is additionally adopted to accurately acquire feedback data, while the traditional large-area digital-to-analog converters are eliminated; moreover, the quasi-resonant technology is adopted, so that the loss of the system is further reduced, and the cost is lower than that of the traditional auxiliary power supply system; the auxiliary power supply system provided by the invention further has several advantages, which do not belong to most of the traditional vehicle-mounted auxiliary power supply systems, such as high output accuracy, high operating efficiency, low impact of work environment, and small size, so that the power supply performance of the conventional vehicle-mounted power supplies on the market is improved effectively, and the cost is relatively low.


    Zugriff

    Download


    Exportieren, teilen und zitieren



    Titel :

    Auxiliary power supply system for electric vehicle


    Beteiligte:
    HUANG ZHIYU (Autor:in) / SU XIAOGUANG (Autor:in) / FENG HUIZONG (Autor:in) / XU ZHENGLONG (Autor:in) / CHEN BO (Autor:in) / YANG TAO (Autor:in)

    Erscheinungsdatum :

    2015-08-26


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Englisch


    Klassifikation :

    IPC:    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



    Auxiliary power supply device for electric vehicle

    XIA GUANGXU | Europäisches Patentamt | 2021

    Freier Zugriff

    Auxiliary power supply device and electric vehicle

    SUGIYAMA TOYOKI / NISHI KOJI / SAWADA SHINICHI et al. | Europäisches Patentamt | 2020

    Freier Zugriff

    Auxiliary power supply for hybrid electric vehicle

    ATALA HOSAM / FERREL MARK J | Europäisches Patentamt | 2019

    Freier Zugriff

    AUXILIARY POWER SUPPLY FOR HYBRID ELECTRIC VEHICLE

    ATALA HOSAM / FERREL MARK J | Europäisches Patentamt | 2018

    Freier Zugriff

    AUXILIARY POWER SUPPLY DEVICE AND ELECTRIC VEHICLE

    SUGIYAMA TOYOKI / NISHI KOJI / SAWADA SHINICHI et al. | Europäisches Patentamt | 2020

    Freier Zugriff