公开(公告)号：US20140197777A1

公开(公告)日：2014-07-17

申请号：US14166551

申请日：2014-01-28

Applicant: BYD COMPANY LIMITED ,  SHENZHEN BYD AUTO R&D COMPANY LIMITED

Inventor： Zhiwei TONG ,  Jianhua ZHU ,  Zhipei LU ,  Qing LAI

IPC: H01M10/637 ,  H02J7/00

CPC classification number: H01M10/637 ,  B60L11/1866 ,  B60L11/1875 ,  B60L2240/545 ,  B60L2240/547 ,  H01M10/0525 ,  H01M10/4207 ,  H01M10/615 ,  H01M10/625 ,  H01M2220/20 ,  H02J7/0014 ,  H02J7/0019 ,  H02J7/0029 ,  H02J7/0054 ,  Y02E60/122 ,  Y02T10/7005 ,  Y02T10/7011 ,  Y02T10/7061

Abstract: An electricity supply system comprises: a battery module, a control module, and a distribution box. The battery module includes at least two in-series modules, each comprising at least two battery groups connected in series. The control module is connected with the battery module and includes an IGBT module, a relay module, and a relay control module. The relay module includes a plurality of relays K. Each in-series module is connected to the relay module. The relay module is connected to the IGBT module. The relay control module is configured for controlling ON or OFF of each relay K so as to select an in-series module to work with the IGBT module. The distribution box is connected with the control module.

Abstract translation: 电力供应系统包括：电池模块，控制模块和配电箱。 电池模块包括至少两个串联的模块，每个模块包括串联连接的至少两个电池组。 控制模块与电池模块连接，包括IGBT模块，继电器模块和继电器控制模块。 继电器模块包括多个继电器K.每个串联模块连接到继电器模块。 继电器模块连接到IGBT模块。 继电器控制模块被配置为控制每个继电器K的ON或OFF，以选择串联模块来与IGBT模块一起工作。 配电箱与控制模块相连。

公开(公告)号：US20140127552A1

公开(公告)日：2014-05-08

申请号：US14154450

申请日：2014-01-14

Applicant: BYD COMPANY LIMITED ,  SHENZHEN BYD AUTO R&D COMPANY LIMITED

Inventor： Jia LU ,  Zhipei LU ,  Jianhua ZHU

IPC: H01M2/10

CPC classification number: H01M2/1083 ,  B60K1/04 ,  H01M2/1077

Abstract: A power supply unit for an electric vehicle includes a tray and at least one battery module fixed on the tray via a strip. Each battery module includes a housing having a bottom plate mounted onto the tray, first to fourth side plates disposed on the bottom plate, a battery pack disposed in the housing and having a plurality of cells arranged along a thickness direction, and first flexible members disposed between the first side plate and the battery pack, and between the third side plate and battery pack respectively, for fastening the battery pack.

Abstract translation: 一种用于电动车辆的电源装置包括一个托盘和至少一个电池模块，该电池模块经由一条带固定在该托盘上。 每个电池模块包括一个具有安装在托盘上的底板的壳体，设置在底板上的第一至第四侧板，设置在壳体中并具有沿着厚度方向布置的多个单元的电池组，以及第一柔性构件， 在第一侧板和电池组之间以及第三侧板和电池组之间分别用于紧固电池组。

公开(公告)号：US20240243428A1

公开(公告)日：2024-07-18

申请号：US18618502

申请日：2024-03-27

Applicant: BYD COMPANY LIMITED

Inventor： Yuanmao SHU ,  Yanfeng WU ,  Xiao WANG ,  Weixin ZHENG ,  Zhipei LU

IPC: H01M50/367 ,  H01M10/613 ,  H01M10/653 ,  H01M10/6556 ,  H01M50/211 ,  H01M50/213 ,  H01M50/249 ,  H01M50/342

CPC classification number: H01M50/367 ,  H01M10/613 ,  H01M10/653 ,  H01M10/6556 ,  H01M50/211 ,  H01M50/213 ,  H01M50/249 ,  H01M50/3425 ,  H01M2220/20

Abstract: A battery housing includes: a tray including a first channel; an explosion-proof valve disposed on the tray, the first channel being in communication with the explosion-proof valve; at least one module transverse beam disposed in the tray and including an accommodating portion, at least a part of a bottom of the accommodating portion being depressed downward to form a groove, and an opening disposed at at least one end of the groove along a length direction of the module transverse beam; and a liquid cooling plate connected to an outside of a bottom of the module transverse beam, at least one connection channel being formed between the liquid cooling plate and the module transverse beam, and the opening of the at least one module transverse beam being in communication with the first channel through the connection channel.

公开(公告)号：US20240021920A1

公开(公告)日：2024-01-18

申请号：US18476657

申请日：2023-09-28

Applicant: BYD COMPANY LIMITED

Inventor： Yueqiu YOU ,  Xiao WANG ,  Yanfeng WU ,  Weixin ZHENG ,  Zhipei LU

IPC: H01M10/658 ,  H01M10/6556 ,  H01M10/613 ,  H01M10/615 ,  H01M10/6567

CPC classification number: H01M10/658 ,  H01M10/6556 ,  H01M10/613 ,  H01M10/615 ,  H01M10/6567

Abstract: The present disclosure relates to a composite temperature control plate and a battery pack. The composite temperature control plate includes a temperature control layer and a protective layer. The temperature control layer is configured to lower or raise a temperature of the battery pack. The protective layer is laminated and fixed on the temperature control layer. The protective layer includes a heat insulating layer. The heat insulating layer is made of a heat insulating material. The protective layer includes a mounting portion extending at least to an periphery of the temperature control layer. The mounting portion is configured to connect with outside.

公开(公告)号：US20230352767A1

公开(公告)日：2023-11-02

申请号：US18347753

申请日：2023-07-06

Applicant: BYD COMPANY LIMITED

Inventor： Jiamao FENG ,  Zhipei LU ,  Huabing XU ,  Huabiao LI

IPC: H01M10/6554 ,  H01M10/6556 ,  H01M10/6568 ,  H01M10/653 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204

CPC classification number: H01M10/6554 ,  H01M10/6556 ,  H01M10/6568 ,  H01M10/653 ,  H01M10/613 ,  H01M10/625 ,  H01M50/204 ,  H01M2220/20

Abstract: A battery pack includes a liquid cooling plate and a battery stack. the battery stack comprises at least one battery module; and the liquid cooling plate comprises a liquid cooling plate body, a liquid inlet, and a liquid outlet. The liquid cooling plate body defines a liquid cooling circuit, the liquid cooling circuit comprises a peripheral liquid inflow channel, an effluent liquid collecting channel, and an intermediate channel communicating between the peripheral liquid inflow channel and the effluent liquid collecting channel. The liquid inlet is connected onto the liquid cooling plate body and communicates with the peripheral liquid inflow channel; and the liquid outlet is connected onto the liquid cooling plate body and communicates with the effluent liquid collecting channel. The peripheral liquid inflow channel encircles an edge of the liquid cooling plate body, and the intermediate channel is at an inner side of the peripheral liquid inflow channel.

公开(公告)号：US20230198068A1

公开(公告)日：2023-06-22

申请号：US17972120

申请日：2022-10-24

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Qingbo PENG ,  Long WAN ,  Yan ZHU

IPC: H01M50/24 ,  H01M50/30 ,  H01M50/505 ,  H01M50/211 ,  H01M50/509 ,  H01M50/569 ,  H01M50/291 ,  H01M50/249 ,  B60K1/04

CPC classification number: H01M50/24 ,  H01M50/394 ,  H01M50/505 ,  H01M50/211 ,  H01M50/509 ,  H01M50/569 ,  H01M50/291 ,  H01M50/249 ,  B60K1/04 ,  H01M2220/20

Abstract: A battery pack includes a sealed housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam divides the interior of the housing into multiple accommodating cavities, and is connected to the top plate and the bottom plate, and at least one electrode core string is provided in at least one accommodating cavity. An atmospheric pressure in the accommodating cavity is lower than an atmospheric pressure outside the housing. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load.

公开(公告)号：US20220416357A1

公开(公告)日：2022-12-29

申请号：US17778987

申请日：2020-11-19

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Yan ZHU ,  Shichao HU

IPC: H01M50/298 ,  H01M50/51 ,  H01M50/519 ,  H01M50/184

Abstract: The present disclosure provides a battery, including: a housing (10); a plurality of accommodating cavities (60) arranged in the housing; a partition plate (20) for separating two adjacent accommodating cavities (60); an electrode core assembly (30), received in one of the accommodating cavities (60), the electrode core assembly (30) including at least one electrode core, and a plurality of electrode core assemblies (30) being sequentially arranged in a first direction and connected in series; a plurality of sampling wires, electrically connected to the plurality of electrode core assemblies (30) correspondingly; and a wire harness channel, receiving the plurality of sampling wires. A battery module, a battery pack, and an electric vehicle are further provided.

公开(公告)号：US20210126231A1

公开(公告)日：2021-04-29

申请号：US17019852

申请日：2020-09-14

Applicant: BYD COMPANY LIMITED

Inventor： Chuanfu WANG ,  Long HE ,  Huajun SUN ,  Jianhua ZHU ,  Zhipei LU ,  Yan ZHU ,  Shichao HU

IPC: H01M2/10 ,  B60L50/64 ,  H01M2/36

Abstract: A battery includes a case and a battery core assembly disposed in the case, the battery core assembly includes a plurality of battery core groups and an receiving space holding the plurality of battery core groups, the battery core groups are connected in series, and the battery core group includes at least one battery core; a separator plate is disposed between at least two adjacent battery core groups, the separator plate divides the receiving space into a plurality of receiving cavities, each of the receiving cavities holds one or more battery core groups , and a cavity wall of the receiving cavity comprised by a connection of the separator plate and a separation membrane; and the battery further includes a liquid injection channel and the liquid injection channel in a sealed state, the liquid injection channel is disposed on at least one of the separation membranes and the separator plates.

公开(公告)号：US20230042566A1

公开(公告)日：2023-02-09

申请号：US17972099

申请日：2022-10-24

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Qingbo PENG ,  Long WAN ,  Yan ZHU

IPC: H01M50/244 ,  H01M50/249 ,  B60L50/60 ,  B60L50/64

Abstract: The present disclosure provides a battery pack housing, a battery pack, and an electric vehicle. The battery pack housing includes a housing body and at least one structural beam disposed in the housing body. The at least one structural beam divides the internal space of the housing body into a number of accommodation cavities. The housing body includes a top plate and a bottom plate arranged opposite to each other in a first direction, the first direction is a height direction of the battery pack housing, and the structural beam is located between and attached to the top plate and the bottom plate. The battery pack housing comprises a mounting part for connecting mounting portion for a fixed connection with an external load. The battery pack housing disclosed in the present disclosure has relatively high strength and stiffness as well as high space utilization.

公开(公告)号：US20230041540A1

公开(公告)日：2023-02-09

申请号：US17971901

申请日：2022-10-24

Applicant: BYD COMPANY LIMITED

Inventor： Huajun SUN ,  Zhipei LU ,  Qingbo PENG ,  Long WAN ,  Yan ZHU

IPC: H01M50/291 ,  H01M50/211 ,  H01M50/271 ,  H01M50/509 ,  H01M50/242 ,  H01M50/224 ,  H01M50/178 ,  H01M50/548 ,  H01M50/503 ,  B60L50/64

Abstract: A battery pack includes a housing, and at least one housing structural beam and multiple electrode core strings electrically connected to one another located in the housing. The housing includes a housing body, including a top plate and a bottom plate arranged opposite to each other in a first direction. The structural beam is located between the top plate and the bottom plate, the at least one structural beam is connected to the top plate and the bottom plate, and divides the interior of the housing into multiple accommodating cavities, and at least one electrode core string is provided in at least one accommodating cavity. A mounting portion is provided on the housing, and the mounting portion is configured to be connected and fixed to an external load. The electrode core string includes multiple electrode core assemblies sequentially disposed in a second direction and connected in series.