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公开(公告)号:US20250050704A1
公开(公告)日:2025-02-13
申请号:US18928160
申请日:2024-10-27
Applicant: BYD COMPANY LIMITED
Inventor: Dongsheng YANG , Yunhui BAI , Junyan ZHANG , Shangzhong ZHAO , Yicheng PENG
Abstract: An integrated module for a vehicle thermal management system comprises a body, a plurality of interfaces, and a valve set. The plurality of interfaces are provided on the body to be communicated with corresponding flow channels in the body; an indoor condenser outlet interface is connected to a first interface by means of the flow channel, a second interface is connected to a battery heat exchanger first opening interface by means of the flow channel, and a battery heat exchanger second opening interface is connected to a compressor inlet interface by means of the flow channel; a battery heat exchanger is configured to exchange heat with battery coolant circuits in which a battery and an engine are located; the valve set is provided on the body and comprises a first expansion valve provided on the flow channel between the second interface and the battery heat exchanger first opening interface.
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公开(公告)号:US20240140393A1
公开(公告)日:2024-05-02
申请号:US18361342
申请日:2023-07-28
Applicant: BYD COMPANY LIMITED
Inventor: Dongsheng YANG , Chunsheng WANG , Yunhui BAI
Abstract: This application discloses a hybrid power automobile and a power system thereof. The power system includes: an engine, where the engine outputs power to wheels of the hybrid power automobile through a clutch; a power motor, where the power motor is configured to output a drive force to the wheels of the hybrid power automobile; a power battery, where the power battery is configured to supply power to the power motor; a DC-DC converter; and an auxiliary motor connected to the engine, where the auxiliary motor is connected to the power motor, the DC-DC converter, and the power battery, and when performing power generation under driving of the engine, the auxiliary motor implements at least one of charging the power battery, supplying power to the power motor, and supplying power to the DC-DC converter. Therefore, low-speed electric balance and low-speed smoothness of the entire vehicle can be maintained.
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公开(公告)号:US20240092145A1
公开(公告)日:2024-03-21
申请号:US18523888
申请日:2023-11-30
Applicant: BYD COMPANY LIMITED
Inventor: Dongsheng YANG , Yunhui BAI , Junyan ZHANG , Shangzhong ZHAO , Tao LIANG
IPC: B60H1/00 , B60H1/10 , B60H1/14 , B60K11/04 , H01M10/615 , H01M10/625 , H01M10/6569 , H01M10/663
CPC classification number: B60H1/00921 , B60H1/00207 , B60H1/00278 , B60H1/10 , B60H1/143 , B60K11/04 , H01M10/615 , H01M10/625 , H01M10/6569 , H01M10/663 , B60H2001/00307 , B60H2001/00928 , B60H2001/00935 , H01M2220/20
Abstract: A heat management system includes a first heat exchanger, a second heat exchanger, a heat pump, an electric assembly waterway, a radiator waterway, a battery waterway, and a heat exchange waterway. The heat pump module includes a first heat exchange pipeline and a second heat exchange pipeline. A first heat exchange passage and a second heat exchange passage of the first heat exchanger are respectively disposed on the second heat exchange pipeline and the heat exchange waterway. A third heat exchange passage of the second heat exchanger is disposed on the first heat exchange pipeline, and a fourth heat exchange passage of the second heat exchanger is in communication with the radiator waterway. The radiator waterway and the electric assembly waterway may be in communication in series.
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公开(公告)号:US20250065689A1
公开(公告)日:2025-02-27
申请号:US18944626
申请日:2024-11-12
Applicant: BYD COMPANY LIMITED
Inventor: Junyan ZHANG , Yunhui BAI , Shangzhong ZHAO , Tingshuai TAN , Yifeng TANG
IPC: B60H1/00
Abstract: A vehicle thermal management system includes a compressor, a first internal heat exchanger, an external heat exchanger, a second internal heat exchanger, and an integrated module. The first internal heat exchanger communicates with the air outlet of the compressor. The external heat exchanger communicates with the first internal heat exchanger through a first pipeline, with the air inlet of the compressor through a second pipeline, and with the first internal heat exchanger through a third pipeline that is connected to a second throttle element. The second internal heat exchanger communicates with the external heat exchanger through a fourth pipeline that is connected to a first throttle element, and with the air inlet. The integrated module includes a part of the first pipeline, a part of the second pipeline, a part of the third pipeline, and a part of the fourth pipeline.
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公开(公告)号:US20240092138A1
公开(公告)日:2024-03-21
申请号:US18523892
申请日:2023-11-30
Applicant: BYD COMPANY LIMITED
Inventor: Dongsheng YANG , Yunhui BAI , Junyan ZHANG , Shangzhong ZHAO , Yifeng TANG
CPC classification number: B60H1/00278 , B60H1/00885 , B60H1/3227 , B60H2001/00307
Abstract: A thermal management system includes a heat pump, a battery waterway, a heat exchange waterway, a heat dissipator waterway, an electric assembly waterway, a first heat exchanger, and a control valve group. A first heat exchange path of the first heat exchanger is connected to the heat pump, and a second heat exchange path of the first heat exchanger is connected to the heat exchange waterway. The electric assembly waterway may be connected to the heat dissipator waterway or the heat exchange waterway in series. The battery waterway may be connected to the heat dissipator waterway or the heat exchange waterway in series. The battery waterway, the heat exchange waterway, the heat dissipator waterway, and the electric assembly waterway may be connected in series.
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公开(公告)号:US20230339451A1
公开(公告)日:2023-10-26
申请号:US18216695
申请日:2023-06-30
Applicant: BYD COMPANY LIMITED
Inventor: Dongsheng YANG , Chunsheng WANG , Yunhui BAI , Mingwen CHEN , Guoxiang LU , Xuechao WANG , Jiquan WANG
CPC classification number: B60W20/13 , B60W20/20 , B60W20/15 , B60W20/12 , B60W10/06 , B60W10/08 , B60W2510/244 , B60W2520/30
Abstract: A method for controlling a hybrid vehicle, includes: acquiring a traveling parameter of the hybrid vehicle; controlling the engine, the driving motor, and the electric generator according to the traveling parameter, to enable the engine to operate in an economic zone by controlling charging and discharging of the power battery; comparing equivalent fuel consumptions of a series mode, a parallel mode, and an EV mode of the hybrid vehicle, and determining a minimum equivalent fuel consumption among the equivalent fuel consumptions; and selecting one of the series mode, the parallel mode, or the EV mode having the minimum equivalent fuel consumption as a current operation mode of the hybrid vehicle. The hybrid vehicle includes the engine and a driving motor outputting power to a wheel end, an electric generator generating electricity, and the power battery supplying electricity to the driving motor and charged by the electric generator or the driving motor.
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