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公开(公告)号：US11876396B2
公开(公告)日：2024-01-16
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
CPC classification number: H02J7/007182 , H02J7/04 , H02P27/08 , B60L15/20 , B60L50/51
Abstract: A 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. 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.
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公开(公告)号：US10059172B2
公开(公告)日：2018-08-28
申请号：US15102446
申请日：2014-12-16
Applicant: BYD COMPANY LIMITED
Inventor： Changjiu Liu , Guorui Liu , Zhichun Li , Jiewen Li , Yanzhang Wei
CPC classification number: B60H1/3208 , B60H1/00385 , B60H1/004 , B60H1/3222 , B60H1/3223 , B60H2001/3248 , B60H2001/3261 , B60H2001/3266 , B60H2001/327 , B60H2001/3282 , B60H2001/3294 , B60W10/30 , B60W20/00 , F25B27/00 , F25B49/022 , F25B2327/001 , F25B2400/06 , F25B2600/0251 , Y10S903/93
Abstract: A hybrid vehicle, an air conditioning system and a method for controlling the air conditioning system are provided. The air conditioning system includes: an electric compressor; a mechanical compressor, connected with the electric compressor in parallel; a power battery, connected with the electric compressor and configured to supply power to the electric compressor; an engine, connected with the mechanical compressor and configured to supply a power source to the mechanical compressor; an engine controller, connected with the engine and configured to start the engine when the mechanical compressor is to be started; a battery manager, connected with the power battery and configured to detect a state of charge of the power battery; and a controller, connected with the engine controller and the battery manager and configured to start the electric compressor and the mechanical compressor at different time according to the state of charge of the power battery.
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公开(公告)号：US12199538B2
公开(公告)日：2025-01-14
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
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.
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公开(公告)号：US09789758B2
公开(公告)日：2017-10-17
申请号：US14883270
申请日：2015-10-14
Applicant: BYD COMPANY LIMITED
Inventor： Ziqiang Zhao , Pan Lin , Changjiu Liu
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.
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公开(公告)号：US12266965B2
公开(公告)日：2025-04-01
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
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.
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Patent Agency Ranking
公开(公告)号：US09889841B2
公开(公告)日：2018-02-13
申请号：US15102677
申请日：2014-12-16
Applicant: BYD COMPANY LIMITED
Inventor： Changjiu Liu , Guorui Liu , Xiaowei Zhou , Heping Ling , Shibin Xie , Yubo Lian
IPC: B60L9/00 , B60L11/00 , G05D1/00 , G05D3/00 , G06F7/00 , G06F17/00 , B60W20/15 , B60W10/06 , B60W10/08 , B60W20/40 , B60L11/16 , B60W10/02 , B60K6/48 , B60W10/113 , B60W20/00 , F02N5/04 , F02N11/00 , B60W10/10
CPC classification number: B60W20/15 , B60K6/48 , B60L11/16 , B60W10/02 , B60W10/06 , B60W10/08 , B60W10/10 , B60W10/113 , B60W20/00 , B60W20/40 , B60W2510/1095 , B60W2520/10 , B60W2520/105 , B60Y2300/49 , F02N5/04 , F02N11/00 , F02N2200/0801 , F02N2300/2002 , Y02T10/6221 , Y02T10/6286 , Y10S903/915 , Y10S903/946
Abstract: A method for starting an engine of a hybrid vehicle is provided. The method includes: detecting a speed of the hybrid vehicle when receiving an instruction to start the engine; and outputting an inertia torque generated by a transmission of the hybrid vehicle to a crankshaft of the engine to start the engine when the speed is larger than or equal to a predetermined speed. Further, a system for starting an engine of a hybrid vehicle and a hybrid vehicle including the system are provided.
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公开(公告)号：US12170498B2
公开(公告)日：2024-12-17
申请号：US18008056
申请日：2021-06-04
Applicant: BYD COMPANY LIMITED
Inventor： Yubo Lian , Heping Ling , Changjiu Liu , Haijun Liu , Yunfeng Wu
IPC: H02P5/68 , H01M10/42 , H01M10/46 , H02J7/34 , H02M1/32 , H02M7/5387 , H02P21/00 , H02P27/08 , B60R16/03
Abstract: 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.
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公开(公告)号：US11916504B2
公开(公告)日：2024-02-27
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
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.
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公开(公告)号：US09840251B2
公开(公告)日：2017-12-12
申请号：US15080332
申请日：2016-03-24
Applicant: BYD COMPANY LIMITED
Inventor： Yubo Lian , Heping Ling , Changjiu Liu , Guorui Liu , Dongyue Huang
CPC classification number: B60W20/12 , B60W10/02 , B60W10/06 , B60W10/08 , B60W10/26 , B60W20/10 , B60W20/13 , B60W50/0097 , B60W2510/1005 , B60W2510/244 , B60W2520/10 , B60W2540/10 , B60W2540/103 , B60W2540/16 , B60W2540/30 , B60W2550/142 , B60W2710/0677 , B60W2710/086 , F02N11/00 , F02N2200/061 , F02N2200/0801 , F02N2200/0802 , F02N2200/101 , F02N2200/124 , Y02T10/52 , Y02T10/6286 , Y10S903/93
Abstract: The present disclosure provides a hybrid electric vehicle, a drive control method and a drive control device of a hybrid electric vehicle. The drive control method includes: obtaining a current gear position of the hybrid electric vehicle and a current electric charge level of a power battery; obtaining a slope of a road on which the hybrid electric vehicle is driving, if the current gear position of the hybrid electric vehicle and the current electric charge level of the power battery meet a preset requirement; and causing a working state of an engine and/or a motor of the hybrid electric vehicle according to the slope of the road on which the hybrid electric vehicle is driving.
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公开(公告)号：US09821793B2
公开(公告)日：2017-11-21
申请号：US15080326
申请日：2016-03-24
Applicant: BYD COMPANY LIMITED
Inventor： Yubo Lian , Heping Ling , Changjiu Liu , Guorui Liu , Chengming Lai , Guizhong Li
CPC classification number: B60W20/13 , B60K6/442 , B60K6/48 , B60K2006/4808 , B60W10/02 , B60W10/06 , B60W10/08 , B60W20/10 , B60W20/40 , B60W50/0097 , B60W2510/1005 , B60W2510/244 , B60W2520/10 , B60W2540/103 , B60W2540/30 , B60W2550/142 , B60W2550/20 , B60Y2200/92 , B60Y2300/182 , B60Y2300/43 , B60Y2300/60 , B60Y2300/91 , F02N11/00 , F02N2200/061 , F02N2200/0801 , F02N2200/0802 , F02N2200/101 , F02N2200/124 , Y02T10/6221 , Y02T10/626 , Y02T10/6291 , Y10S903/93
Abstract: The present disclosure provides a hybrid electric vehicle, a drive control method and a drive control device of a hybrid electric vehicle. The drive control method includes: obtaining a current gear position of the hybrid electric vehicle and a current electric charge level of a power battery; determining whether the vehicle is within a speed start-stop interval according to the current gear position of the hybrid electric vehicle and the current electric charge level of the power battery; obtaining a slope of a road on which the vehicle is driving and a current speed of the hybrid electric vehicle, if the vehicle is within a speed start-stop interval; and controlling a working state of an engine and/or a motor of the hybrid electric vehicle according to the slope of the road on which the vehicle is driving and the current speed of the vehicle.
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