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    POWER BATTERY CHARGING METHOD, MOTOR CONTROL CIRCUIT, AND VEHICLE
    1.
    发明公开
    POWER BATTERY CHARGING METHOD, MOTOR CONTROL CIRCUIT, AND VEHICLE 审中-公开

    公开(公告)号：US20240072562A1

    公开(公告)日：2024-02-29

    申请号：US18505826

    申请日：2023-11-09

    Applicant: BYD COMPANY LIMITED

    Inventor： Changjiu LIU ,  Hua PAN ,  Ronghua NING ,  Yang LIU ,  Ning YANG

    IPC: H02J7/00 ,  H02J7/04 ,  H02P27/08

    CPC classification number: H02J7/007182 ,  H02J7/04 ,  H02P27/08 ,  B60L50/51

    Abstract: A motor control circuit includes a first switch module, a three-phase inverter, and a control module. A power supply module, the first switch module, the three-phase inverter, and a three-phase alternating current motor form a current loop; midpoints of three phase legs of the three-phase inverter are respectively connected to three phase coils of the three-phase alternating current motor; the three-phase alternating current motor is configured to input or output a current by using a wire N extending from a connection point of the three phase coils; the control module is connected to the three-phase inverter, first switch module, three-phase alternating current motor, and power supply module; the control module is configured to control the three-phase inverter to enable the motor control circuit to receive a voltage of the power supply module and output a direct current, and to boost a voltage of the power supply module.

    MOTOR AND ENERGY CONVERSION DEVICE THEREOF
    2.
    发明申请
    MOTOR AND ENERGY CONVERSION DEVICE THEREOF 有权

    公开(公告)号：US20220294380A1

    公开(公告)日：2022-09-15

    申请号：US17635636

    申请日：2020-08-13

    Applicant: BYD COMPANY LIMITED

    Inventor： Feiyue XIE ,  Changjiu LIU ,  Jicheng LI ,  Lei HU ,  Yihao ZHENG

    IPC: H02P27/08 ,  H02K3/28 ,  H02J7/00 ,  H02J7/02 ,  H02M7/797 ,  H02M1/14

    Abstract: The disclosure provides a motor and an energy conversion device. The motor includes a motor coil having x sets of windings. A number of phases of the x sets of windings is mx. In each of the x sets of windings, each phase winding includes nx coil branches. A first end of each of the nx coil branches is connected with a first end of a coil branch separated from the coil branch by an electrical angle of 360 degrees, to form mx phase endpoints. A second end of each of the nx coil branches of each phase winding is connected with a second end of a coil branch separated from the coil branch by an electrical angle of P*(360*k1+360/mx) degrees to form nx neutral points, nx≥mx≥2, nx≥3, p=±1, 1≤k1≤(nx−1), and mx, nx, and k1 are integers.

    FRONT COMPARTMENT AND HYBRID VEHICLE HAVING THE SAME
    3.
    发明申请
    FRONT COMPARTMENT AND HYBRID VEHICLE HAVING THE SAME 有权
    前舱和混合车辆

    公开(公告)号：US20160031308A1

    公开(公告)日：2016-02-04

    申请号：US14883270

    申请日：2015-10-14

    Applicant: BYD COMPANY LIMITED

    Inventor： Ziqiang ZHAO ,  Pan LIN ,  Changjiu LIU

    IPC: B60K6/40 ,  B62D5/04 ,  B62D21/11 ,  B60K11/04 ,  B60H1/00

    CPC classification number: B60K6/40 ,  B60H1/00321 ,  B60K1/00 ,  B60K5/04 ,  B60K6/405 ,  B60K11/02 ,  B60K11/04 ,  B60K2001/003 ,  B60K2001/006 ,  B60Y2200/92 ,  B62D5/04 ,  B62D21/11 ,  Y02T10/92 ,  Y10S903/951

    Abstract: A hybrid vehicle, a front cabin and a method for controlling the front cabin are provided. The front cabin includes: a sheet metal and a front subframe. The front cabin is configured to house an engine, a motor, a motor controller, a transmission and a support assembly. The engine and the motor are connected to the transmission respectively; the engine is disposed on the right side of the front cabin; the transmission is disposed on the left side of the front cabin; the motor is disposed on the left side of the front cabin and above the transmission; and the motor controller is disposed above the transmission and located at the front of the motor.

    Abstract translation: 提供混合动力车辆，前舱和控制前舱的方法。 前舱包括：金属板和前子框架。 前舱被构造成容纳发动机，马达，马达控制器，变速器和支撑组件。 发动机和电动机分别连接到变速箱; 发动机设置在前舱的右侧; 变速器设置在前舱的左侧; 电动机设置在前舱的左侧和变速器上方; 并且电动机控制器设置在变速器上方并且位于电动机的前部。

    POWER BATTERY CHARGING METHOD, MOTOR CONTROL CIRCUIT, AND VEHICLE
    5.
    发明申请
    POWER BATTERY CHARGING METHOD, MOTOR CONTROL CIRCUIT, AND VEHICLE 有权

    公开(公告)号：US20220077709A1

    公开(公告)日：2022-03-10

    申请号：US17416745

    申请日：2019-12-17

    Applicant: BYD COMPANY LIMITED

    Inventor： Changjiu LIU ,  Hua PAN ,  Ronghua NING ,  Yang LIU ,  Ning YANG

    IPC: H02J7/00 ,  H02J7/04 ,  H02P27/08

    Abstract: The present disclosure provides a power battery charging method, a motor control circuit, and a vehicle. The motor control circuit includes a first switch module, a three-phase inverter, and a control module, where a power supply module, the first switch module, the three-phase inverter, and a three-phase alternating current motor form a current loop, the three-phase alternating current motor inputs or outputs a current by using a wire N extending from a connection point of three phase coils, and the control module controls the three-phase inverter, so that the motor control circuit receives a voltage of the power supply module and outputs a direct current. In the technical solutions, a wire N extends from the three-phase alternating current motor, and further forms different charging loops with the three-phase inverter, the three-phase alternating current motor, and the power battery. When it is detected that the voltage of the power supply module is not higher than a voltage of the power battery, the original three-phase inverter and three-phase alternating current motor are adopted to boost the voltage of the power supply module before the power battery is charged, and in this way, no extra external boost circuit needs to be added, which reduces costs of the additional circuit.

    ENERGY CONVERSION DEVICE AND VEHICLE
    6.
    发明申请
    ENERGY CONVERSION DEVICE AND VEHICLE 有权

    公开(公告)号：US20220329195A1

    公开(公告)日：2022-10-13

    申请号：US17763962

    申请日：2020-08-18

    Applicant: BYD COMPANY LIMITED

    Inventor： Heping LING ,  Jicheng LI ,  Changjiu LIU ,  Feiyue XIE ,  Yuxin ZHANG

    IPC: H02P27/08 ,  B60L53/22 ,  B60L1/02 ,  H02M7/797 ,  H02P25/22

    Abstract: An energy conversion device is provided. The energy conversion device includes a reversible pulse-width modulation (PWM) rectifier (102) and a motor coil (103). The motor coil (103) includes L sets of winding units, and each set of winding unit is connected with the reversible PWM rectifier (102), where L≥2 and is a positive integer. At least two sets of heating circuits of a to-be-heated device are formed by an external power supply (100), the reversible PWM rectifier (102), and the winding units in the motor coil (103). The energy conversion device controls the reversible PWM rectifier (102) according to a control signal, so that a current outputted from the external power supply (100) flows through at least two sets of winding units in the motor coil (103) to generate heat, and cause a vector sum of resultant current vectors of the at least two sets of the winding units on a quadrature axis of a synchronous rotating reference frame based on rotor field orientation of the motor to be zero.

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