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.
SOUND CONTROLLING METHOD AND DEVICE OF PULSE HEATING FOR POWER BATTERY AND ELECTRIC VEHICLE
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
2023-06-21
Patent
Electronic Resource
English
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