公开(公告)号：US10396409B2

公开(公告)日：2019-08-27

申请号：US15499503

申请日：2017-04-27

Applicant: BYD COMPANY LIMITED

Inventor： Zhiwei Tong ,  Qing Lai ,  Jianhua Zhu

IPC: H01M10/00 ,  H01M10/613 ,  H01M10/6563 ,  H01M10/6556 ,  H01M10/653 ,  H01M10/6551 ,  H01M2/10

Abstract: A heat sink and power battery system are provided. The heat sink includes a heat dissipation plate and a cover plate. The heat dissipation plate includes a bottom plate and a plurality of fins arranged on the bottom plate in a comb-like pattern. The cover plate is fixedly connected to the heat dissipation plate. The fins of the heat dissipation plate are disposed between the bottom plate and the cover plate, and an air duct is formed among the bottom plate, the fins, and the cover plate.

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：US10243181B2

公开(公告)日：2019-03-26

申请号：US15188446

申请日：2016-06-21

Applicant: BYD COMPANY LIMITED

Inventor： Jiyang Zhao ,  Qing Lai ,  Zhiwei Tong ,  Yan Zhu ,  Jianhua Zhu

IPC: H01M2/10 ,  H01M10/658 ,  H01M10/6551 ,  H01M2/20

Abstract: A power battery module includes a battery accommodating assembly having a plurality of separators, each separator comprising: a separator body having a front portion defining a front accommodating groove and a rear portion; a left cover; a right cover, a battery group, a power connection member, a power connection line and a line snap-fit; in which adjacent separators are detachably connected with each other, and the front accommodating groove of one of the adjacent separators and the rear portion of the separator body of the other of the adjacent separators define a battery chamber, and a snapping hole is formed in at least one of upper and lower walls of the front accommodating groove.

公开(公告)号：US11056748B2

公开(公告)日：2021-07-06

申请号：US16474828

申请日：2017-07-05

Applicant: BYD COMPANY LIMITED

Inventor： Jianhua Zhu ,  Qing Lai ,  Zhiwei Tong ,  Yan Zhu

IPC: H01M2/34 ,  H01M50/209 ,  H01M50/578 ,  H01M50/581

Abstract: A battery pack comprises a plurality of batteries. The protection device is disposed between two adjacent batteries and comprises: a first connecting assembly, a second connecting assembly and a conductive connecting assembly. The protection device has a normal state and an alarm state. When the protection device is in the normal state, the first connecting assembly and the second connecting assembly are spaced apart, and the overload protection circuit is open. When the protection device is in the alarm state, the first connecting assembly is electrically connected with the housing of the first battery, the second connecting assembly is electrically connected with the housing of the second battery, at least one of the first connecting assembly and the second connecting assembly moves to be electrically connected with each other, and the overload protection circuit is closed.

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：US09979001B2

公开(公告)日：2018-05-22

申请号：US14254799

申请日：2014-04-16

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

Inventor： Hu Wan ,  Zhiwei Tong ,  Qing Lai ,  Jianhua Zhu

IPC: H01M2/12

CPC classification number: H01M2/1241 ,  H01M2/12 ,  H01M2/1205 ,  H01M2/1211 ,  H01M2/1217 ,  H01M2/1223 ,  H01M2/1229 ,  H01M2/1235

Abstract: A battery explosion-proof device battery explosion-proof device includes a valve body, a rupture plate, and a protecting cover. The valve body includes a base portion and a shaft portion connected with the base portion. The shaft portion may be formed with threads on an external circumferential surface thereof and with a venting passage. The rupture plate may be disposed inside a concaved portion of the base portion for sealing the venting passage. The protecting cover covers the concaved portion.