公开(公告)号：US20210126327A1

公开(公告)日：2021-04-29

申请号：US17140842

申请日：2021-01-04

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Gen CAO ,  Jihua YAO ,  Huayuan CAO ,  Xingyuan WU ,  Xiaoteng HUANG

IPC: H01M50/569 ,  H01M50/271 ,  H01M50/284 ,  H01M50/204 ,  H01M50/244 ,  H01M10/48 ,  H01M10/04

Abstract: A battery module is provided including a battery unit that includes a battery top cover; a temperature measurement unit, including a temperature collection element to collect temperature of the battery top cover; a harness plate, arranged on the battery top cover and including a harness plate body and a limiting structure arranged on the harness plate body, wherein the limiting structure is matched with the temperature measurement unit; a circuit board, arranged on the harness plate and including a circuit board body and an extending strip arranged on the circuit board body, wherein the temperature collection element is connected with the extending strip; and an electrical connecting sheet arranged on the harness plate to connect different battery units, wherein the temperature measurement unit is arranged between the electrical connecting sheet and the battery top cover, and the electrical connecting sheet exerts pressure onto the temperature measurement unit.

公开(公告)号：US20220328901A1

公开(公告)日：2022-10-13

申请号：US17852243

申请日：2022-06-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haiqi YANG ,  Minjie ZHENG ,  Xiaoteng HUANG ,  Xingyuan WU ,  Jiarong HONG

IPC: H01M10/658 ,  H01M10/625 ,  H01M10/6567 ,  H01M50/143 ,  H01M50/383

Abstract: This application relates to the field of battery power technologies and provides a battery and an electric device. The battery includes a battery cell, a thermal management apparatus and an insulation assembly. The thermal management apparatus and the insulation assembly are disposed on the battery cell. The battery cell is provided with an electrode terminal, the insulation assembly is connected to the electrode terminal, and the insulation assembly isolates the electrode terminal from the thermal management apparatus, thus avoiding impact on the electrode terminal by condensed water produced during operation of the thermal management apparatus, which improves safety of the battery.

公开(公告)号：US20220238968A1

公开(公告)日：2022-07-28

申请号：US17721564

申请日：2022-04-15

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Long LI ,  Chong WANG ,  Wencai XU ,  Xingyuan WU

IPC: H01M50/569 ,  H02J7/00 ,  H01R4/16 ,  H01M10/48

Abstract: A signal transmission terminal, a sampling device, a battery module and a device are disclosed. The signal transmission terminal is used for the sampling device. The sampling device includes a conductive sheet. The signal transmission terminal includes a first connecting portion, a second connecting portion and a bendable portion. The first connecting portion is used for being connected to the conductive sheet and is provided with a raised portion. The second connecting portion is connected to the first connecting portion and is used for being connected to a sampling object. The bendable portion is used for being connected to the first connecting portion. The bendable portion is configured to press the conductive sheet between the first connecting portion and the bendable portion after being bent. The above signal transmission terminal can improve connection stability with the conductive sheet, such that reliability of sampling precision can be guaranteed.

公开(公告)号：US20200207237A1

公开(公告)日：2020-07-02

申请号：US16370975

申请日：2019-03-30

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xiyang ZUO ,  Zhimin DAN ,  Wei ZHANG ,  Yizhen HOU ,  Guowei LI ,  Xingyuan WU ,  Yanru LI

IPC: B60L58/27 ,  B60L50/51 ,  B60L58/12

Abstract: The disclosure provides a battery heating system and a control method thereof. The system includes a first switch, a second switch, a switch component, a motor, and a main controller. The first switch, the second switch, the switch component and the main controller are integrated in a same housing. The main controller is to determine, based on a state parameter of the battery pack, that the battery pack needs to be heated, and to send a battery heating request to a vehicle controller, so as to enable the vehicle controller to send a battery heating instruction to the main controller according to the battery heating request in a case where a vehicle is in a static state and the motor is not operating; and to control, based on the battery heating instruction, the first switch, the second switch and the switch component so as to heat the battery pack.

公开(公告)号：US20220021070A1

公开(公告)日：2022-01-20

申请号：US17489281

申请日：2021-09-29

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haiqi YANG ,  Xingyuan WU ,  Minjie ZHENG ,  Jiarong HONG ,  Langchao HU

IPC: H01M50/325 ,  H01M50/204 ,  H01M50/249 ,  H01M10/613 ,  H01M10/625 ,  H01M10/6556

Abstract: An embodiment of the present application provides a battery pack and a device. The battery pack includes a battery module, a heat exchange member, a flow guide piece and a heat-conducting connecting piece. The battery module includes a plurality of batteries. Each battery is provided with an explosion-proof valve. The heat exchange member includes a heat exchange plate. The heat exchange plate is connected to the plurality of batteries through the heat-conducting connecting piece, and the heat exchange plate at least partially covers each explosion-proof valve. The flow guide piece is arranged between the plurality of batteries and the heat exchange plate, the flow guide piece is provided with a positioning hole penetrating in a height direction of the battery pack, and the positioning hole exposes the corresponding explosion-proof valve. The flow guide piece separates the corresponding explosion-proof valve from the heat-conducting connecting piece.

公开(公告)号：US20210249707A1

公开(公告)日：2021-08-12

申请号：US17057261

申请日：2018-12-28

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xiyang ZUO ,  Zhimin DAN ,  Yizhen HOU ,  Wei ZHANG ,  Xingyuan WU ,  Taosheng ZHU

IPC: H01M10/637 ,  H01M10/625 ,  H01M10/615

Abstract: A battery pack heating apparatus for double vehicle heating and a control method. In the embodiments of the present application, the apparatus is portably arranged outside a vehicle, and includes: an energy storage device; a current sensor; a first diode, an input end of the first diode connected with a second end of the current sensor; a first heating interface; a first switching device connected between the second end of the current sensor and a positive electrode of the first heating interface; a second diode, an output end of the second diode connected with the second end of the current sensor; a second heating interface; a second switching device connected between the second end of the current sensor and a negative electrode of the second heating interface; and a heating control module configured to control on-off states of the first and the second switching devices.

公开(公告)号：US20210043990A1

公开(公告)日：2021-02-11

申请号：US17078077

申请日：2020-10-22

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Zhimin DAN ,  Xiyang ZUO ,  Wei ZHANG ,  Yizhen HOU ,  Guowei LI ,  Xingyuan WU ,  Yanru LI

IPC: H01M10/63 ,  H01M10/615 ,  H01M10/625 ,  H01M10/42 ,  H01M10/48 ,  H02J7/00 ,  H02P3/18 ,  H02P27/06

Abstract: The present disclosure provides a battery heating system and a control method thereof. The battery heating system includes a main positive switch, a main negative switch, an inverter, a motor, and a battery management unit. The inverter includes a first phase bridge arm, a second phase bridge arm and a third phase bridge arm connected in parallel. A motor controller in the inverter is configured to output a drive signal to a target upper-bridge-arm switch unit and a target lower-bridge-arm switch unit, so as to control the target upper-bridge-arm switch unit and the target lower-bridge-arm switch unit to be periodically turned on and off. The battery management unit is configured to collect state parameters of the battery pack. When the state parameters of the battery pack meet preset heating conditions, a control signal is sent to the motor controller to control the motor controller to output the drive signal.

公开(公告)号：US20210320368A1

公开(公告)日：2021-10-14

申请号：US17357819

申请日：2021-06-24

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Haihua Huang ,  Xingyuan WU ,  Weigang SHI

IPC: H01M50/242 ,  H01M50/209 ,  H01M50/249

Abstract: The application provides a battery pack and a vehicle. The battery pack includes a battery box, reinforcing members being arranged on a bottom surface of the battery box; and at least one battery unit, located in the battery box. The battery unit includes: end plates; side plates, the side plates and the end plates being connected end to end in sequence to define an accommodating cavity, and the side plates being stacked on the reinforcing members in a height direction of the battery box; and a plurality of battery cores, located in the accommodating cavity.

公开(公告)号：US20210075069A1

公开(公告)日：2021-03-11

申请号：US16953513

申请日：2020-11-20

Applicant: Contemporary Amperex Technology Co., Limited

Inventor： Xiyang ZUO ,  Zhimin DAN ,  Wei ZHANG ,  Yizhen HOU ,  Teng YU ,  Wenbin LU ,  Xingyuan WU ,  Taosheng ZHU

IPC: H01M10/44 ,  H01M10/48 ,  H01M10/42

Abstract: A battery pack system, a control method thereof and a management device are provided. A battery pack is connected in series with a discharge circuit unit and a charge circuit unit; a battery management unit is to monitor a temperature of the battery pack, to periodically send, when the temperature of the battery pack is lower than a threshold, a turn-on-instruction to the discharge circuit unit and the charge circuit unit alternately to control the discharge circuit unit and the charge circuit unit to be alternately turned on in heating cycles; the discharge circuit unit is to be turned on according to the turn-on-instruction to enable electricity of the battery pack to flow into the energy storage unit in discharging-phase; and the charge circuit unit is to be turned on according to the turn-on-instruction to enable electricity of the energy storage unit to flow into the battery pack in charging-phase.

公开(公告)号：US20200212526A1

公开(公告)日：2020-07-02

申请号：US16689143

申请日：2019-11-20

Applicant: CONTEMPORARY AMPEREX TECHNOLOGY CO., LIMITED

Inventor： Xingyuan WU ,  Xingxing LI ,  Minjie ZHENG ,  Haiqi YANG

IPC: H01M10/6568 ,  H01M10/625

Abstract: A thermal management device and a battery pack are provided. The thermal management device applied in a battery pack. The battery pack includes a case and a plurality of cells received in the case. The thermal management device includes: a thermal management loop attached to each cell and at least partially covering a part of a vent of each cell; a heat exchange member communicating with the thermal management loop; and a power component connected between the thermal management loop and the heat exchange member. A heat exchange medium with a fire-extinguishing function is provided within the thermal management loop. The thermal management loop is broken in a condition where at least one cell is subjected to thermal runaway such that the heat exchange medium flows into an explosion-proof port of the at least one cell.