公开(公告)号：US09564665B2

公开(公告)日：2017-02-07

申请号：US14166551

申请日：2014-01-28

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

Inventor： Zhiwei Tong ,  Jianhua Zhu ,  Zhipei Lu ,  Qing Lai

IPC: H02J7/00 ,  H01M10/637 ,  H01M10/42 ,  B60L11/18 ,  H01M10/625 ,  H01M10/615 ,  H01M10/0525

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：US09306201B2

公开(公告)日：2016-04-05

申请号：US14154450

申请日：2014-01-14

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

Inventor： Jia Lu ,  Zhipei Lu ,  Jianhua Zhu

IPC: H01M2/10 ,  B60K1/04

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：US09293910B2

公开(公告)日：2016-03-22

申请号：US14359842

申请日：2012-11-26

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD COMPANY LIMITED

Inventor： Long He ,  Jianhua Zhu ,  Qing Lai ,  Zhiwei Tong ,  Zhipei Lu

IPC: H02H3/00 ,  H02H3/093 ,  H02H7/18 ,  G01R19/00 ,  H02J7/00 ,  G01R15/20

CPC classification number: H02H3/093 ,  G01R15/207 ,  G01R19/0092 ,  H02H3/0935 ,  H02H7/18 ,  H02J7/0026

Abstract: A power battery assembly may include a battery circuit and a circuit protecting unit. The circuit protecting unit may be connected in series with the battery circuit. The circuit protecting unit may include a relay and a current sensing unit connected in series with the battery circuit. A switching unit is connected with the relay for controlling the switching of the relay, and a controller is connected with the switching unit and to the current sensing unit to control switching on or switching off the switching unit based on comparison of the current value detected by the current sensing unit, and sent to the controller with a first predetermined current value.

Abstract translation: 动力电池组件可以包括电池电路和电路保护单元。 电路保护单元可以与电池电路​​串联连接。 电路保护单元可以包括与电池电路​​串联连接的继电器和电流感测单元。 开关单元与继电器连接，用于控制继电器的切换，并且控制器与开关单元和电流感测单元连接，以基于由开关单元检测到的电流值的比较来控制开关或断开开关单元 电流感测单元，并以第一预定电流值发送到控制器。

公开(公告)号：US20150016002A1

公开(公告)日：2015-01-15

申请号：US14359842

申请日：2012-11-26

Applicant: Shenzhen BYD Auto R&D Company Limited ,  BYD COMPANY LIMITED

Inventor： Long He ,  Jianhua Zhu ,  Qing Lai ,  Zhiwei Tong ,  Zhipei Lu

IPC: H02H3/093 ,  G01R19/00

CPC classification number: H02H3/093 ,  G01R15/207 ,  G01R19/0092 ,  H02H3/0935 ,  H02H7/18 ,  H02J7/0026

Abstract: A power battery assembly may include a battery circuit and a circuit protecting unit. The circuit protecting unit may be connected in series with the battery circuit. The circuit protecting unit may include a relay and a current sensing unit connected in series with the battery circuit. A switching unit is connected with the relay for controlling the switching of the relay, and a controller is connected with the switching unit and to the current sensing unit to control switching on or switching off the switching unit based on comparison of the current value detected by the current sensing unit, and sent to the controller with a first predetermined current value.

Abstract translation: 动力电池组件可以包括电池电路和电路保护单元。 电路保护单元可以与电池电路​​串联连接。 电路保护单元可以包括与电池电路​​串联连接的继电器和电流感测单元。 开关单元与继电器连接，用于控制继电器的切换，并且控制器与开关单元和电流感测单元连接，以基于由开关单元检测到的电流值的比较来控制开关或断开开关单元 电流感测单元，并以第一预定电流值发送到控制器。

公开(公告)号：US10243182B2

公开(公告)日：2019-03-26

申请号：US15188492

申请日：2016-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Yan Zhu ,  Qingbo Peng ,  Jia Lu ,  Xuefeng Zhang ,  Wei Liu ,  Yan Huang ,  Zhipei Lu ,  Jianhua Zhu

IPC: H01M2/10 ,  H01M10/42 ,  H01M10/48 ,  H01M2/20

Abstract: A power battery module includes a battery accommodating assembly having a plurality of separators, the separator comprising: a separator body; a left cover; and a right cover, in which adjacent separators are detachably connected with each other; a battery group; a power connection member, a line snap-fit, a power connection line and a signal collection assembly.

公开(公告)号：US12113227B2

公开(公告)日：2024-10-08

申请号：US17422084

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Long He ,  Huajun Sun ,  Wenfeng Jiang ,  Zhipei Lu ,  Weixin Zheng ,  Jianglong Tang ,  Yan Zhu ,  Xinyue Wang ,  Kefeng He

IPC: H01M50/209 ,  B60K1/04 ,  B60L50/60 ,  B60L50/64 ,  H01M10/052 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60L58/26

CPC classification number: H01M50/209 ,  B60K1/04 ,  B60L50/64 ,  B60L50/66 ,  H01M10/052 ,  H01M10/425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/3425 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60K2001/0405 ,  B60K2001/0438 ,  B60L58/26 ,  H01M2010/4271 ,  H01M2220/20

Abstract: A cell, a power battery pack, and an electric vehicle are provided. The cell includes a cell body, and the cell body has a length L, a width H and a thickness D. The length L of the cell body is greater than the width H, the width H of the cell body is greater than the thickness D, the length L of the cell body is greater than 600 mm, and the length L and the width H of the cell body satisfy L/H=4-21.

公开(公告)号：US20240222761A1

公开(公告)日：2024-07-04

申请号：US18604551

申请日：2024-03-14

Applicant: BYD COMPANY LIMITED

Inventor： Long He ,  Huajun Sun ,  Wenfeng Jiang ,  Zhipei Lu ,  Weixin Zheng ,  Jianglong Tang ,  Yan Zhu ,  Xinyue Wang ,  Kefeng He

IPC: H01M50/209 ,  B60K1/04 ,  B60L50/60 ,  B60L50/64 ,  B60L58/26 ,  H01M10/052 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543

CPC classification number: H01M50/209 ,  B60K1/04 ,  B60L50/64 ,  B60L50/66 ,  H01M10/052 ,  H01M10/425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/3425 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60K2001/0405 ,  B60K2001/0438 ,  B60L58/26 ,  H01M2010/4271 ,  H01M2220/20

Abstract: A battery pack and an electric vehicle are provided. The battery pack includes a housing; and a plurality of cells, provided in the housing, wherein the sum V1 of the volumes of the plurality of cells and the volume V2 of the battery pack satisfy V1/V2≥55%. The battery pack has a first direction and a second direction perpendicular to each other. A length direction of the cell is arranged along the first direction of the battery pack, and the plurality of cells are arranged along the second direction of the battery pack. The cell comprises a cell body, and the length of the cell body is 400-2500 mm.

公开(公告)号：US12015126B2

公开(公告)日：2024-06-18

申请号：US17017461

申请日：2020-09-10

Applicant: BYD COMPANY LIMITED

Inventor： Chuanfu Wang ,  Long He ,  Huajun Sun ,  Jianhua Zhu ,  Zhipei Lu ,  Yan Zhu ,  Shichao Hu

IPC: H01M10/42 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/112 ,  H01M50/147 ,  H01M50/207 ,  H01M50/593 ,  H01M50/636

CPC classification number: H01M10/4214 ,  H01M10/0525 ,  H01M10/0585 ,  H01M50/112 ,  H01M50/147 ,  H01M50/207 ,  H01M50/593 ,  H01M50/636 ,  H01M2220/20

Abstract: The present invention provides a lithium-ion battery, including: a housing and a separator located inside the housing, where the separator separates internal space of the housing into a plurality of accommodation cavities, battery core sets are disposed inside the accommodation cavities, the battery core sets each include at least one pole shank, and the battery core sets are connected in series; and at least one separator is provided with a liquid injection hole, and the liquid injection hole is used to connect two adjacent accommodation cavities on two sides of the separator; and a block mechanism, where the block mechanism is located inside the housing, the block mechanism enables the liquid injection hole to be in a predetermined state, and the predetermined state includes an open state and a closed state. The battery provided in the present invention ensures isolation and safety of each battery core set while facilitating liquid injection.

公开(公告)号：US11955651B2

公开(公告)日：2024-04-09

申请号：US17421875

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Long He ,  Huajun Sun ,  Wenfeng Jiang ,  Zhipei Lu ,  Weixin Zheng ,  Jianglong Tang ,  Yan Zhu ,  Xinyue Wang ,  Kefeng He

IPC: B60K1/04 ,  B60L50/60 ,  B60L50/64 ,  H01M10/052 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/209 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60L58/26

CPC classification number: H01M50/209 ,  B60K1/04 ,  B60L50/64 ,  B60L50/66 ,  H01M10/052 ,  H01M10/425 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/3425 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60K2001/0405 ,  B60K2001/0438 ,  B60L58/26 ,  H01M2010/4271 ,  H01M2220/20

Abstract: A power battery pack includes: a pack body; a plurality of cells, disposed in the pack body; the cell having a length L0, a width H0, and a thickness D0, where at least one cell meets: L0>H0≥D0, a length direction of the cell is arranged along a width direction of a vehicle body of the electric vehicle, and in the width direction of the electric vehicle, the length L0 of the cell and a size W of the vehicle body of the electric vehicle in the width direction meet: 46%≤L0/W≤76%; or at least one cell meets: L0>H0≥D0, a length direction of the cell is arranged along a length direction of a vehicle body of the electric vehicle, and in the length direction of the electric vehicle, the length L0 of the cell and a size X of the vehicle body of the electric vehicle in the length direction meet: 40%≤L0/W≤76%.

公开(公告)号：US12230820B2

公开(公告)日：2025-02-18

申请号：US17422130

申请日：2019-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Long He ,  Huajun Sun ,  Wenfeng Jiang ,  Zhipei Lu ,  Weixin Zheng ,  Jianglong Tang ,  Yan Zhu ,  Xinyue Wang ,  Kefeng He

IPC: B60K1/04 ,  B60L50/60 ,  B60L50/64 ,  H01M10/052 ,  H01M10/42 ,  H01M10/613 ,  H01M10/625 ,  H01M10/647 ,  H01M10/6551 ,  H01M10/6554 ,  H01M50/103 ,  H01M50/119 ,  H01M50/209 ,  H01M50/244 ,  H01M50/249 ,  H01M50/271 ,  H01M50/317 ,  H01M50/342 ,  H01M50/35 ,  H01M50/383 ,  H01M50/531 ,  H01M50/543 ,  B60L58/26

Abstract: Provided are a power battery pack and an electric vehicle. The power battery pack includes: a pack body; and a plurality of cells, directly arranged in the pack body. The cell extends from a first side of the pack body to a second side of the pack body, and the first side and the second side are disposed opposite to each other. The first side of the pack body is provided with a first side wall, the second side of the pack body is provided with a second side wall, an end of the cell is supported by the first side wall, and the other end of the cell is supported by the second side wall.