Byd Company Limited

Shenzhen Bus Group Co., Ltd.

Yubo Lian

Heping Ling

Hongbin Luo

Jintao Zhang

Dongsheng Yang

Wenquan Tang

Wolfgang Josef Egger

Changshu Shangguan

Zhen Zhai

Jihan Fan

Hua Pan

Youbin Xu

Yuncheng Zhang

Chuanfu Wang

Wenxi Zhu

Shibin Xie

Changjiu Liu

Wang Peng

Yichao Wu

Lin Ren

Leyang Li

Xu Sun

Feiyue Xie

Xin Tan

Xiaoming Zhong

Ka Dan

Xiaoguang Hou

Yanfei Xiong

Fanliang Meng

Binggen Zhao

Yue Li

Kai Guo

Fei Wu

Xinchun Liu

Guorui Liu

Zhentao Ren

Wei Dong Chen

Qi Wang

Fei Wang

Peng Hu

Feng Yang

Feng Zheng

Hao Zeng

Wei Su

Lei Yan

Lijun Zhang

Jicheng Li

Lei Yi

Yuxin Zhang

Bengang Yi

Ming Ji

Lingyun Lou

Bo Bi

Mingchuan Shi

Weiqiang Chen

Qingyang Fang

Cong Yu

Juan Manuel Lopez Abad

Ziyan Xu

Ting Wen

Peisong Xie

Huan Luo

Lei Zhang

Tao Li

Lei Li

Jing Yang

Ning Wang

Rui Guo

Min Zhang

Tong Wu

Jun Yao

Bo Dong Liu

Haijun Liu

Bo Yang

Zhihua Wang

Ning Sun

Yong Xiong

Zhenyu Chen

Wen Gao

Qian Jiang

Ke Wang

Yilin Zhong

Zhiqiang Wang

Yaoping Wen

Na Zhao

Xiaodi Xu

Qun Liang

Yese Chen

Haitao Feng

Maoyan Liang

Yuanzhen Pan

Alejandro Esteban Bustos

Xiaowei Zhou

Shangqing Lin

Zhao Xie

Yunfeng Wu

Wei Duan

Guo Tian

Kui Jing

Xinming Wei

The present disclosure belongs to the field of vehicles, and relates to a battery energy processing device and method and a vehicle, which can charge batteries during self-heating of the batteries. The battery energy processing device includes: an energy exchange interface; a first circuit, wherein a first end of the first circuit is connected with the energy exchange interface, and a second end of the first circuit is connected with a battery; a second circuit, wherein a first end of the second circuit is connected with the battery; an energy storage device, connected with a second end of the second circuit; and a controller, configured to: in a first preset state, control the second circuit to charge and discharge the battery to heat the battery, and control the first circuit to receive energy from the energy exchange interface and output the energy to the battery to charge the battery.

Battery energy processing apparatus and method, and vehicle

A system for thermal management, includes a first thermal management system including a compressor and a battery pack, and a second thermal management system including a heat sink, a heat exchanger, and a waste heat utilization branch for a high-voltage system. A water pump and a high-voltage system cooling branch passing through the high-voltage system are disposed on the waste heat utilization branch. A cooling liquid outlet of the heat exchanger communicates with an inlet of the waste heat utilization branch. An outlet of the waste heat utilization branch communicates with a cooling liquid inlet of the heat exchanger. A direct-cooling device is disposed on the battery pack. An outlet of the compressor communicates with a first port of the direct-cooling device. A second port of the direct-cooling device communicates with a refrigerant inlet of the heat exchanger. A refrigerant outlet of the heat exchanger communicates with an inlet of the compressor.

Vehicle thermal management system and electric vehicle

A method for controlling an electric drive system, includes: determining that the vehicle is in a traveling condition; obtaining a rotation speed value, a shaft end torque value, a present direct axis current value, and a present quadrature axis current value of the motor when receiving a vehicle heat-up demand signal; determining a target torque curve according to the shaft end torque value, and determining a target traveling heating calibration curve according to the vehicle heat-up demand signal and the rotation speed value; determining an intersection of the target torque curve and the target traveling heating calibration curve as a target traveling condition point; determining a target quadrature axis current value and a target direct axis current value according to the target traveling condition point; and controlling, according to the target direct axis current value and the target quadrature axis current value, the motor to operate.

Electric drive system control method, electric drive system, and vehicle

A method for controlling a multi-screen system includes acquiring a control instruction for the multi-screen system; and controlling a plurality of display screens to move according to the control instruction. The multi-screen system includes a plurality of display screens and a driving mechanism configured to drive the plurality of display screens to move in space.

Vehicle and method and apparatus for controlling multi-screen system

A motor drive apparatus includes a three-phase inverter and a three-phase motor. A first terminal of the three-phase inverter is connected to a positive electrode of a power battery. A second terminal of the three-phase inverter is connected to a negative electrode of the power battery Three phase coils of the three-phase motor are respectively connected to midpoints of three phase legs of the three-phase inverter. The motor drive apparatus is configured to simultaneously control (i) a process of charging the power battery by a power supply module, (ii) a torque of the three-phase motor at a zero output, and (iii) the three-phase inverter and the three-phase motor to heat a heat exchange medium flowing through at least one of the three-phase inverter or the three-phase motor.

Electric motor driving apparatus, control method, vehicle, and readable storage medium

An energy conversion apparatus includes: a first switch module, a motor inverter having a first bus terminal connected with a first end of a battery and a second bus terminal connected with a second end of the battery through the first switch module, a motor winding having a first end connected with a midpoint end of the motor inverter, and a second switch module and a first capacitor connected in series. A first end of the serial-connected second switch module and the first capacitor is connected with a second end of the motor winding. A second end of the serial-connected second switch module and the first capacitor is connected with the second bus terminal.

Energy conversion apparatus and safety control method therefor

Motor car body

The present disclosure relates to a battery energy processing device and method and a vehicle. The battery energy processing device includes: a bridge arm converter, having a first bus terminal connected with a positive electrode of a battery and a second bus terminal connected with a negative electrode of the battery; a motor winding, having a first end connected with a midpoint of the bridge arm converter; an energy storage device, respectively connected with a second end of the motor winding and the second bus terminal; and a controller, configured to control, in a first preset state, the bridge arm converter to charge and discharge the battery, so as to realize heating of the battery. In this way, the charging and discharging of the battery can be controlled, and internal resistance of the battery causes the battery to generate a large amount of heat, which causes a temperature rise of the battery, thereby realizing the heating of the battery.

Battery energy processing device and method, and vehicle

This application provides a vehicle and a power battery heating apparatus and method thereof. In the method, when a current temperature value of a power battery is lower than a preset temperature value, and a heating condition of the power battery meets a preset condition, a three-phase inverter is controlled to cause a three-phase alternating current motor to generate heat to heat a coolant flowing through the power battery. A preset quadrature-axis current and a corresponding preset direct-axis current are obtained to control the three-phase inverter to adjust a phase current of the three-phase alternating current motor in the heating process, so that electromagnetic torque with a small torque value is outputted at a motor shaft. The electromagnetic torque causes the motor output shaft to output a pre-tightening force to the transmission mechanism, thereby eliminating an engagement gap and effectively avoiding jitters of the vehicle.

Vehicle and power battery heating apparatus and method therefor

Car body

A cooperative control method is disclosed. The cooperative control method includes: acquiring a target heating power, a target driving power, and a target charging and discharging power; acquiring a first heating power of a motor coil according to the target charging and discharging power; acquiring a second heating power of the motor coil according to the target driving power; adjusting a first quadrature axis current and a first direct axis current to a target quadrature axis current and a target direct axis current to cause the difference between the sum of the first heating power and the second heating power and the target heating power to be within the preset range; and acquiring a sampling current value on each phase coil and a motor rotor position, and calculating a duty cycle of each phase bridge arm in a reversible PWM rectifier according to the above information.

Cooperative control method for energy conversion apparatus, storage medium, and vehicle

Growing community of inventors

Shenzhen, China

Yubo Lian