{
  "$type": "site.standard.document",
  "description": "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…",
  "path": "/patents/1399202",
  "publishedAt": "2026-05-20T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L58/25",
    "DEEPAL AUTOMOBILE TECH CO LTD [CN]"
  ],
  "textContent": "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.",
  "title": "SOUND CONTROLLING METHOD AND DEVICE OF PULSE HEATING FOR POWER BATTERY AND ELECTRIC VEHICLE"
}