公开(公告)号：US20240023290A1

公开(公告)日：2024-01-18

申请号：US18373239

申请日：2023-09-26

Applicant: BYD COMPANY LIMITED

Inventor： Axi QI ,  Xingchun ZHANG ,  Fengchuan YU ,  Qinghui ZENG

IPC: H05K7/20 ,  H05K5/03 ,  H05K5/02 ,  H05K9/00

CPC classification number: H05K7/20872 ,  H05K5/03 ,  H05K5/0217 ,  H05K9/0007

Abstract: A vehicle controller includes: a control box having a first outer surface and a second outer surface disposed opposite to each other in a thickness direction of the control box, the first outer surface including a control cooling water channel, which includes an Insulated Gate Bipolar Transistor (IGBT) cooling layer, a power supply cooling layer, and a transition section, and the IGBT cooling layer and the power supply cooling layer stacked in the thickness direction of the control box and communicated to each other by using the transition section; an IGBT module mounted on the first outer surface and extending into the IGBT cooling layer and being cooled by coolant in the IGBT cooling layer; and a power supply module mounted on the second outer surface and the power supply module adjacent to the power supply cooling layer and cooled by coolant in the power supply cooling layer.

公开(公告)号：US20250007365A1

公开(公告)日：2025-01-02

申请号：US18883535

申请日：2024-09-12

Applicant: BYD COMPANY LIMITED

Inventor： Xingchun ZHANG ,  Fengchuan YU ,  Haiping SUN

IPC: H02K11/33 ,  H02K9/19 ,  H02K11/00

Abstract: An integrated motor controller includes a charging connector, a battery connector, a first charging circuit, and a second charging circuit. The first charging circuit is connected with the charging connector and the battery connector, and includes a first control switch. The first control switch is configured to control on/off of the first charging circuit. The second charging circuit is connected with the charging connector and the battery connector, and includes a boost module and a second control switch. The second control switch is configured to control on/off of the second charging circuit.

公开(公告)号：US20240023295A1

公开(公告)日：2024-01-18

申请号：US18373531

申请日：2023-09-27

Applicant: BYD COMPANY LIMITED

Inventor： Fengchuan YU ,  Xingchun ZHANG ,  Yanjun FAN ,  Guangming YANG ,  Axi QI

IPC: H05K7/20 ,  H05K7/14 ,  H05K5/03

CPC classification number: H05K7/20927 ,  H05K7/20872 ,  H05K7/1427 ,  H05K5/03 ,  B60R16/0239

Abstract: A motor controller includes: a box including a first housing including a cooling chamber, and an insert-in hole and a protrude-out hole disposed on two opposite sidewalls of the cooling chamber; an IGBT module inserted into the cooling chamber, two opposite side surfaces of the IGBT module in a thickness direction and an inner wall of the cooling chamber forming liquid passing gaps, two ends of the IGBT module sealed with the first housing to seal the insert-in hole and the protrude-out hole; a control board and a drive board disposed in the box, the control board located on a surface of the drive board facing away from the IGBT module, and the drive board connected to the control board and the IGBT module; and a capacitor module located on a surface of the first housing facing away from the drive board and connected to the IGBT module.

公开(公告)号：US20250162464A1

公开(公告)日：2025-05-22

申请号：US19027878

申请日：2025-01-17

Applicant: BYD COMPANY LIMITED

Inventor： Fengchuan YU ,  Xingchun ZHANG ,  Haiping SUN

IPC: B60L58/27 ,  H01M10/42

Abstract: A battery self-heating device includes: a power storage apparatus, an inductor, a control unit, and a capacitor. The power storage apparatus includes a first power storage device and a second power storage device. A first end of the inductor connects between the first power storage device and the second power storage device. A second end of the inductor connected to a midpoint of a phase bridge arm of the control unit, and two ends of the at least one phase bridge arm respectively connect to a positive electrode and a negative electrode of the power storage apparatus. Two ends of the capacitor respectively connects to the positive electrode and the negative electrode. The capacitor includes a first X capacitor and a second X capacitor connected in series, and the first end of the inductor connects between the first X capacitor and the second X capacitor.

公开(公告)号：US20240113601A1

公开(公告)日：2024-04-04

申请号：US18525205

申请日：2023-11-30

Applicant: BYD COMPANY LIMITED

Inventor： Fengchuan YU ,  Xingchun ZHANG ,  Qinghui ZENG

IPC: H02K11/33 ,  H02K5/20 ,  H02K9/19

CPC classification number: H02K11/33 ,  H02K5/203 ,  H02K9/19 ,  H02K2211/03

Abstract: A motor controller includes a first box body including a first surface and a second surface opposite to each other along a thickness direction of the first box body, and includes a cooling water passage that includes a first opening on the first surface. An IGBT module is disposed on the first surface and disposed in the cooling water passage. The motor controller further includes a capacitor disposed on the second surface and connected to the IGBT module, and includes a housing and a capacitor core disposed in the housing. The housing has a heat dissipation opening configured to expose the capacitor core. The motor controller further includes a heat conductor covering the heat dissipation opening. One side of the heat conductor is in contact with the capacitor core, and the other side is in contact with an outer wall surface of the cooling water passage.

公开(公告)号：US20250158493A1

公开(公告)日：2025-05-15

申请号：US19024519

申请日：2025-01-16

Applicant: BYD COMPANY LIMITED

Inventor： Xingchun ZHANG ,  Fengchuan YU

IPC: H02K11/30 ,  H02K5/04 ,  H02K11/00 ,  H02K11/01

Abstract: An electric assembly includes a box body, an N-line connecting assembly, a motor, an electric control module, and a direct-current connector. The box body comprises an electric control cavity. One end of the N-line connecting assembly is suitable for being connected between two battery packs connected in series. The motor comprises a three-phase winding, one end of the three-phase winding is a junction end, which is connected to the other end of the N-line connecting assembly. The electric control module comprises an IGBT module having a three-phase bridge arm, and the other end of the three-phase winding is connected to a middle point of the three-phase bridge arm. A positive electrode of the direct-current connector is connected to the junction end, and a negative electrode of the direct-current connector is connected to the IGBT module and is suitable for being connected to negative electrodes of the battery packs.

公开(公告)号：US20250158481A1

公开(公告)日：2025-05-15

申请号：US19025999

申请日：2025-01-16

Applicant: BYD COMPANY LIMITED

Inventor： Axi QI ,  Fengchuan YU ,  Xingchun ZHANG

IPC: H02K5/22 ,  B60R16/033 ,  H05K7/20

Abstract: An electric assembly includes a box body, an electric control module, and a motor. The electric control module is disposed in the box. The motor is disposed on the box. The motor includes: a casing, a N wire connection assembly, an end cover, and three phase windings. A first end of the N wire connection assembly is configured to connect to a battery pack. The end cover is disposed at one end of the casing and configured to close the casing, and includes an opening that allows a part of the N wire connection assembly to pass through. The three phase windings are disposed in the casing. First ends of the three phase windings are connected with the electric control module, and second ends of the three phase windings are connected with a junction and connected with a second end of the N wire connection assembly.

公开(公告)号：US20240021714A1

公开(公告)日：2024-01-18

申请号：US18372387

申请日：2023-09-25

Applicant: BYD COMPANY LIMITED

Inventor： Guangming YANG ,  Axi QI ,  Xingchun ZHANG ,  Yilong YU ,  Fengchuan YU

IPC: H01L29/739 ,  H01L23/367 ,  H01L23/00 ,  H05K7/20 ,  H01L23/495

CPC classification number: H01L29/7393 ,  H01L23/3677 ,  H01L23/564 ,  H05K7/20927 ,  H01L23/49565

Abstract: An insulated gate bipolar transistor (IGBT) assembly includes a wafer; a first heat dissipation plate and a second heat dissipation plate being disposed on two surfaces of the wafer in a thickness direction of the wafer respectively, a plurality of first heat dissipation pins being disposed at an interval from each other on a surface of the first heat dissipation plate facing away from the second heat dissipation plate, and a plurality of second heat dissipation pins being disposed at an interval from each other on a surface of the second heat dissipation plate facing away from the first heat dissipation plate; and an insulating waterproof housing covering a portion of the wafer exposed from the first heat dissipation plate and the second heat dissipation plate.

公开(公告)号：US20240015915A1

公开(公告)日：2024-01-11

申请号：US18372218

申请日：2023-09-25

Applicant: BYD COMPANY LIMITED

Inventor： Fengchuan YU ,  Xingchun ZHANG ,  Yanjun FAN ,  Qinghui ZENG

IPC: H05K7/14 ,  H02M7/00 ,  H02M7/537 ,  H05K9/00 ,  H05K1/18 ,  H05K5/03 ,  B60R16/023 ,  B60R16/033

CPC classification number: H05K7/1427 ,  H02M7/003 ,  H02M7/537 ,  H05K9/0007 ,  H05K1/181 ,  H05K5/03 ,  B60R16/0239 ,  B60R16/033 ,  H05K2201/10151

Abstract: A vehicle controller includes: a box; a control board mounted in the box and including a communication module, a vehicle control module, a charge control module, and a motor control module, and the vehicle control module controlling operations of a vehicle according to signals of the communication module; a driver board mounted in the box, the control board being connected to the driver board, and the motor control module controlling a motor of the vehicle through the driver board; and an on-off switch mounted in the box and connected to the control board, the on-off switch having an input end and an output end, the charge control module controlling on-off of the input end and the output end, the output end being connected to an energy storage member of the vehicle, and the input end being connected to a charging cable of the energy storage member.