公开(公告)号：US20230063189A1

公开(公告)日：2023-03-02

申请号：US17706650

申请日：2022-03-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhenhui HUANG ,  Hang Ma ,  Yongchao Li

IPC: H04W76/11 ,  B60S5/06

Abstract: Embodiments of the present application provides a vehicle battery swapping method. The method includes: under a condition that a target vehicle arrives at an entrance of the battery swapping station, collecting a vehicle identification of the target vehicle; obtaining a target network location address based on the vehicle identification and a stored first binding relationship, wherein the target network location address includes a network location address of a second management unit corresponding to the vehicle identification in the first binding relationship; based on the target network location address, initiating, by the first management unit, a wireless communication request to the second management unit corresponding to the target network location address; and under a condition that the first management unit successfully establishes a wireless communication connection with the second management unit corresponding to the target network location address, interacting with the second management unit to initiate a battery swapping process.

公开(公告)号：US12009682B2

公开(公告)日：2024-06-11

申请号：US17479505

申请日：2021-09-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xu Zhang ,  Hang Ma ,  Xingchang Wang

IPC: H02J7/00 ,  B60L3/00 ,  B60L3/12 ,  B60L58/12 ,  G01R31/3835 ,  H02J7/34

CPC classification number: H02J7/0047 ,  B60L3/0046 ,  B60L3/12 ,  B60L58/12 ,  G01R31/3835 ,  H02J7/007182 ,  H02J7/345

Abstract: A load access detection method, a switch circuit, and a battery management system, relating to the field of circuit technology. The load access detection method includes: detecting a voltage at a first detection point; detecting a voltage at a second detection point; if a voltage difference between the voltage at the first detection point and the voltage at the second detection point is less than or equal to a preset voltage threshold, controlling a switch circuit to enter a pre-charging mode, and pre-charging a load capacitor in the load circuit through the battery pack, where a charging current of the switch circuit in the pre-charging mode is less than a charging current of the switch circuit in a charging mode.

公开(公告)号：US11973364B2

公开(公告)日：2024-04-30

申请号：US18489021

申请日：2023-10-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Fangyou Lu ,  Hang Ma ,  Wei Tian ,  Xingchang Wang ,  Zhenhui Huang

IPC: H02J7/00

CPC classification number: H02J7/007182 ,  H02J7/0014 ,  H02J7/0048

Abstract: Provided are a circuit control method, a battery controller, a battery management system, a battery, an electrical apparatus, and a vehicle. The circuit control method includes: acquiring an apparatus wake-up signal; determining whether a power source terminal voltage of a charging circuit of a battery on the apparatus is greater than a first threshold and whether a change rate in a first time length is less than a second threshold, wherein the charging circuit is a circuit connecting the battery on the apparatus and a generator, and the power source terminal voltage is an output voltage of the generator; and issuing a first instruction when the power source terminal voltage of the charging circuit of the battery on the apparatus is greater than the first threshold and the change rate in the first time length is less than the second threshold, so that the charging circuit is turned on.

公开(公告)号：US20230064624A1

公开(公告)日：2023-03-02

申请号：US17564258

申请日：2021-12-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhenhui Huang ,  Hang Ma ,  Yongchao Li

IPC: H02J7/00 ,  B60L53/80 ,  B60L53/60

Abstract: The present application provides a method for managing charging in a battery swapping station. The method includes: receiving, by the first management unit, a wireless communication connection instruction transmitted by a management device of the battery swapping station, wherein the connection instruction includes a network location address of a second management unit of a battery pack; initiating, by the first management unit, a wireless communication connection to the second management unit based on the network location address; uploading, by the first management unit, battery status information of the battery pack acquired from the second management unit to the management device; and under a condition that the first management unit receives a charging instruction transmitted by the management device based on the battery status information, controlling, by the first management unit via an interaction with the second management unit and the charging unit, the charging unit to charge the battery pack.

公开(公告)号：US12069751B2

公开(公告)日：2024-08-20

申请号：US17706650

申请日：2022-03-29

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhenhui Huang ,  Hang Ma ,  Yongchao Li

IPC: B60S5/06 ,  H04W76/11 ,  H04W84/20

CPC classification number: H04W76/11 ,  B60S5/06 ,  H04W84/20

Abstract: Embodiments of the present application provides a vehicle battery swapping method. The method includes: under a condition that a target vehicle arrives at an entrance of the battery swapping station, collecting a vehicle identification of the target vehicle; obtaining a target network location address based on the vehicle identification and a stored first binding relationship, wherein the target network location address includes a network location address of a second management unit corresponding to the vehicle identification in the first binding relationship; based on the target network location address, initiating, by the first management unit, a wireless communication request to the second management unit corresponding to the target network location address; and under a condition that the first management unit successfully establishes a wireless communication connection with the second management unit corresponding to the target network location address, interacting with the second management unit to initiate a battery swapping process.

公开(公告)号：US20240047988A1

公开(公告)日：2024-02-08

申请号：US18489021

申请日：2023-10-18

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Fangyou Lu ,  Hang Ma ,  Wei Tian ,  Xingchang Wang ,  Zhenhui Huang

IPC: H02J7/00

CPC classification number: H02J7/007182 ,  H02J7/0048 ,  H02J7/0014

Abstract: Provided are a circuit control method, a battery controller, a battery management system, a battery, an electrical apparatus, and a vehicle. The circuit control method includes: acquiring an apparatus wake-up signal; determining whether a power source terminal voltage of a charging circuit of a battery on the apparatus is greater than a first threshold and whether a change rate in a first time length is less than a second threshold, wherein the charging circuit is a circuit connecting the battery on the apparatus and a generator, and the power source terminal voltage is an output voltage of the generator; and issuing a first instruction when the power source terminal voltage of the charging circuit of the battery on the apparatus is greater than the first threshold and the change rate in the first time length is less than the second threshold, so that the charging circuit is turned on.