The disclosure provides a sound controlling method of pulse heating for power battery, including: when turning on a pulse heating function of the power battery, obtaining a request value of a pulse heating current and a music to be played; determining a target tune corresponding to the music to be played according to the request value of the pulse heating current; determining a switching frequency of an IGBT corresponding to each note according to the target tune of the music to be played and each note of the music to be played; determining a period corresponding to each switching frequency according to a beat duration corresponding to each note of the music to be played; during each period, inputting the corresponding switching frequency and preset duty cycle to the IGBT, enabling the IGBT to output current, when a difference between a current value output by the IGBT and the request value of the pulse heating current exceeding a preset range, adjusting the duty cycle through controlling the IGBT, and enabling the current value of the IGBT to gradually approach the request value of the pulse heating current.


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    Title :

    SOUND CONTROLLING METHOD AND DEVICE OF PULSE HEATING FOR POWER BATTERY AND ELECTRIC VEHICLE


    Additional title:

    SCHALLSTEUERUNGSVERFAHREN UND -VORRICHTUNG ZUR IMPULSERWÄRMUNG FÜR EINE LEISTUNGSBATTERIE UND ELEKTROFAHRZEUG
    PROCÉDÉ ET DISPOSITIF DE COMMANDE SONORE DE CHAUFFAGE PAR IMPULSIONS POUR BATTERIE D'ALIMENTATION ET VÉHICULE ÉLECTRIQUE


    Contributors:
    LIN YUTING (author) / CHEN YANG (author) / CHEN JIAN (author) / XIANG YU (author) / YANG NA (author) / LV JIAMING (author) / YAN YAO (author)

    Publication date :

    2023-06-21


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    H05B ELECTRIC HEATING , Elektrische Heizung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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