公开(公告)号：EP4333581A1

公开(公告)日：2024-03-06

申请号：EP22836694.4

申请日：2022-06-17

Applicant: BYD Company Limited

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

IPC: H05K7/20 ,  H05K5/02 ,  H05K5/03

Abstract: The present disclosure discloses a motor controller and a vehicle having the same. The motor controller includes a first box body, where the first box body includes a first surface and a second surface that are opposite to each other along a thickness direction of the first box body, the first box body is provided with a cooling water passage, and the cooling water passage includes at least one first opening on the first surface; at least one IGBT module, where the at least one IGBT module is arranged on the first surface and is inserted into the cooling water passage through the at least one first opening; a capacitor, where the capacitor is arranged on the second surface and is connected to the IGBT module, the capacitor includes a housing and a capacitor core, the capacitor core is arranged in the housing, and the housing is provided with a heat dissipation opening configured to expose the capacitor core; and a heat conducting member, where the heat conducting member covers the heat dissipation opening, and one side of the heat conducting member is in contact with the capacitor core to conduct heat and the other side is in contact with an outer wall surface of the cooling water passage to conduct heat.

公开(公告)号：EP4296129A1

公开(公告)日：2023-12-27

申请号：EP22823852.3

申请日：2022-03-31

Applicant: BYD Company Limited

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

IPC: B60W10/00 ,  H05K5/00 ,  H05K9/00

Abstract: Disclosed are a vehicle controller and a vehicle with the same. The 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 operation 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 member, mounted in the box and connected to the control board, the on-off member 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. The vehicle controller according to the embodiments of the present disclosure is capable of integrating a vehicle control function, a charge control function, and a motor control function into the same control board, and thus has the advantages of high integration level, few parts, reliable electric connection, and the like.

公开(公告)号：EP4301106A1

公开(公告)日：2024-01-03

申请号：EP22823851.5

申请日：2022-03-31

Applicant: BYD Company Limited

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

IPC: H05K7/20 ,  H05K5/00 ,  H05K9/00

Abstract: The present disclosure discloses a vehicle controller and a vehicle having same. The vehicle controller includes: a control box, the control box having a first outer surface and a second outer surface that are disposed opposite to each other in a thickness direction of the control box, the first outer surface being provided with a control cooling water channel, the control cooling water channel including an IGBT cooling layer, a power supply cooling layer, and a transition section, and the IGBT cooling layer and the power supply cooling layer being stacked in the thickness direction of the control box and communicated by using the transition section; an IGBT module, the IGBT module being mounted on the first outer surface, and the IGBT module extending into the IGBT cooling layer and being cooled by coolant in the IGBT cooling layer; and a power supply module, the power supply module being mounted on the second outer surface, and the power supply module being adjacent to the power supply cooling layer and cooled by coolant in the power supply cooling layer. Double layers of control cooling water channels of the vehicle controller according to an embodiment of the present disclosure are disposed, which has advantages such as a large water channel space, high cooling efficiency, and a good shielding effect.