公开(公告)号：US20250079539A1

公开(公告)日：2025-03-06

申请号：US18950282

申请日：2024-11-18

Applicant: BYD COMPANY LIMITED

Inventor： Wenjing BAO ,  Jie LI ,  Qifeng LI ,  Yun YANG

IPC: H01M10/42 ,  H01M50/583

Abstract: A vehicle, having a battery system, and the battery system having a battery cell management chip, wherein the chip comprises a collection circuit, a power source, a processing circuit, and a dynamic protection circuit; the collection circuit is used for collecting a parameter value of a working parameter of a single battery cell and transmitting the parameter value to the processing circuit; the power source supplies power to the processing circuit; a storage circuit is used for storing a dynamic protection threshold value for the working parameter; the processing circuit is used for adjusting the working state of the single battery cell in the case of an anomaly; and the dynamic protection circuit is used for adjusting the working state of the single battery cell according to the dynamic protection threshold value.

公开(公告)号：US20250118814A1

公开(公告)日：2025-04-10

申请号：US18983740

申请日：2024-12-17

Applicant: BYD COMPANY LIMITED

Inventor： Xike XIE ,  Jie LI ,  Qifeng LI ,  Yun YANG

IPC: H01M10/42 ,  B60L58/10 ,  H01M10/48

Abstract: A vehicle includes a battery management chip and a battery management system. The battery management chip comprises a battery cell data sampling module, a data processing module, a first communication module and a first power module. The battery cell data sampling module is used for acquiring battery cell data of a battery cell; the data processing module is connected to the battery cell data sampling module and used for processing the battery cell data; the first communication module is connected to the data processing module and used for sending the processed battery cell data to a control module; and the first power module is connected to the battery cell and the data processing module and used for receiving an initial voltage outputted by the battery cell, and performing boost processing on the initial voltage, so as to provide an operating voltage for the data processing module.

公开(公告)号：US20240227048A1

公开(公告)日：2024-07-11

申请号：US18614896

申请日：2024-03-25

Applicant: BYD COMPANY LIMITED

Inventor： Jie LI ,  Lu ZHAO ,  Yaoqin HUANG ,  Hongbin WANG ,  Jiaolian XU

IPC: B23D79/02

CPC classification number: B23D79/023

Abstract: An inner burr removal tool holder, including a tool holder body. The tool holder body includes a tool base and a connecting rod assembly. The connecting rod assembly is connected to the tool base. A scraper for removing inner burrs and a nozzle for spraying liquid is arranged on the tool base. The scraper protrudes from an outer surface of the tool base, and a liquid outlet of the nozzle faces the scraper.