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公开(公告)号:US20230127428A1
公开(公告)日:2023-04-27
申请号:US18069705
申请日:2022-12-21
Applicant: BYD COMPANY LIMITED
Inventor: Liujiang ZHENG , Zhicheng TAN , Di LI , Weida LIU
Abstract: A rail vehicle and a guide device and a guide wheel mounting base used for the rail vehicle are provided. The guide wheel mounting base includes a mounting bracket and a wheel shaft fixing shaft. A through guide hole is provided on the mounting bracket. An outer end of the wheel shaft fixing shaft is connected with a guide wheel. An inner end of the wheel shaft fixing shaft extends through the guide hole. The wheel shaft fixing shaft is movable along an extending direction of the guide hole.
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公开(公告)号:US20190276056A1
公开(公告)日:2019-09-12
申请号:US16335074
申请日:2017-02-28
Applicant: BYD COMPANY LIMITED
Inventor: Lin REN , Daolin LI , Zhicheng TAN
Abstract: A traction mechanism, a bogie assembly and a straddle-type monorail vehicle are disclosed. The traction mechanism comprises: a traction component, comprising a transmission shaft and a traction connecting rod, the transmission shaft and the traction connecting rod being connected, the transmission shaft being suitable to be rotatably connected to a vehicle body, and the traction connecting rod being suitable to be hinged to a bogie frame; and a traction crank, both ends of the traction crank being suitable to be respectively hinged to the bogie frame and the vehicle body. The traction mechanism of the present disclosure has a simple and compact structure, and a transmission path of a traction force is short. The traction mechanism is convenient to assemble and disassemble, occupies a small space, is wide in usage range, can be used for low-floor and high-floor vehicles, and is also applicable to a single-axle bogie, a double-axle bogie and a multi-axle bogie.
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公开(公告)号:US20220081012A1
公开(公告)日:2022-03-17
申请号:US16335032
申请日:2017-02-28
Applicant: BYD COMPANY LIMITED
Inventor: Lin REN , Daolin LI , Zhicheng TAN
Abstract: A traction mechanism, a bogie assembly and a straddle-type monorail vehicle are disclosed. The traction mechanism comprises: a traction component, comprising a traction connecting rod, a first crank and a transmission shaft, the traction connecting rod being suitable to be hinged to a bogie frame, a first end of the first crank being hinged to the traction connecting rod, a second end of the first crank being fixedly connected to the transmission shaft, and the transmission shaft being suitable to be rotatably connected to a vehicle body; and a traction crank, both ends of the traction crank being suitable to be respectively hinged to the bogie frame and the vehicle body, wherein the first end of the first crank is away from the traction crank. The traction mechanism of the present disclosure has a simple and compact structure, and a transmission path of a traction force is short. The traction mechanism is convenient to assemble and disassemble, occupies a small space, is wide in usage range, can be used for low-floor and high-floor vehicles, and is also applicable to a single-axle bogie, a double-axle bogie and a multi-axle bogie.
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公开(公告)号:US20190210620A1
公开(公告)日:2019-07-11
申请号:US16334918
申请日:2017-02-28
Applicant: BYD COMPANY LIMITED
Inventor: Daolin LI , Zhicheng TAN
Abstract: The present disclosure provides a bogie assembly and a straddle-type monorail vehicle with the same. The bogie assembly comprises: a bogie frame; an electric assembly which is mounted on the bogie frame and comprises a traction motor, a gear reducer and a planetary wheel-side reducer, wherein the traction motor is connected with an input shaft of the gear reducer, and an output shaft of the gear reducer is connected with an input end of the planetary wheel-side reducer; and a running wheel which is mounted on the bogie frame, wherein an output end of the planetary wheel-side reducer is connected with a hub of the running wheel.
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公开(公告)号:US20240109456A1
公开(公告)日:2024-04-04
申请号:US18535919
申请日:2023-12-11
Applicant: BYD COMPANY LIMITED
Inventor: Hao LU , Zhicheng TAN , Hongtao SHE , Mingyang GUO , Kangxian PAN
CPC classification number: B60L53/80 , B60L53/22 , B60L53/62 , B60L2210/12 , B60L2210/14
Abstract: A method for controlling battery swapping of a vehicle is provided. The vehicle induces a vehicle control unit (VCU), a bidirectional DC-DC converter assembly, a vehicle load, a battery controller, a power battery pack, and a storage battery. The method includes: receiving, by the VCU, a battery swapping instruction when the vehicle is in the high-voltage power-on state; transmitting, by the VCU, a switching instruction to the bidirectional DC-DC converter assembly in response to the battery swapping instruction; and disabling, by the bidirectional DC-DC converter assembly, the buck mode in response to the switching instruction to cut off electrical connection between the power battery pack and a high-voltage circuit of the vehicle by a battery controller, and enabling the boost mode in response to the switching instruction to supply power to the vehicle load by the storage battery through the bidirectional DC-DC converter assembly.
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公开(公告)号:US20210309267A1
公开(公告)日:2021-10-07
申请号:US16334386
申请日:2017-02-28
Applicant: BYD COMPANY LIMITED
Inventor: Lin REN , Daolin LI , Zhicheng TAN
Abstract: The present disclosure provides a suspension system, a bogie assembly with the same, and a rail vehicle. The suspension system includes a vehicle body connecting seat, an elastic component, a transverse damper and a vertical damper. The vehicle body connecting seat is positioned above the elastic component and is connected to the elastic component, and the transverse damper and the vertical damper are respectively hinged to the vehicle body connecting seat and are perpendicular to each other.
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公开(公告)号:US20190232834A1
公开(公告)日:2019-08-01
申请号:US16335151
申请日:2017-02-28
Applicant: BYD COMPANY LIMITED
Inventor: Lin REN , Daolin LI , Zhicheng TAN
Abstract: The present disclosure provides a vehicle body connecting seat and a suspension system. The vehicle body connecting seat includes an upper plate, suitable for being connected to the vehicle body; a web plate, positioned below the upper plate and connected to the upper plate; a lower plate, positioned below the web plate and connected to the web plate, where the surface of the upper plate facing the vehicle body is provided with a buffer cushion.
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公开(公告)号:US20240227880A1
公开(公告)日:2024-07-11
申请号:US18617077
申请日:2024-03-26
Applicant: BYD COMPANY LIMITED
Inventor: Hao LU , Zhicheng TAN , Hongtao SHE , Mingyang GUO , Kangxian PAN
CPC classification number: B61K11/00 , B60L53/80 , B61L15/0081 , B61L27/70 , B60L2200/26 , B61L2205/00
Abstract: A method of automatic battery swapping control for a rail transit vehicle is applicable to a rail transit vehicle automatic battery swapping system including a ground battery swapping device and a rail transit vehicle. The method includes: receiving a battery swapping signal, and in response to the battery swapping signal, blocking traction of the rail transit vehicle; communicating the in-vehicle wireless communication device with the ground wireless communication device, to enable battery swapping for the rail transit vehicle; receiving a battery swapping completion notification sent by the battery management system; and disconnecting the in-vehicle wireless communication device from the ground wireless communication device, and lifting the vehicle blockade of the rail transit vehicle.
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公开(公告)号:US20240131955A1
公开(公告)日:2024-04-25
申请号:US18395447
申请日:2023-12-22
Applicant: BYD COMPANY LIMITED
Inventor: Hao LU , Zhicheng TAN , Hongtao SHE , Mingyang GUO , Keqi ZHANG
Abstract: A method and a system for controlling battery swapping of a vehicle and a vehicle are provided. The method includes: receiving, by a vehicle control unit (VCU), a battery swapping instruction, and transmitting the battery swapping instruction to a battery manager when the vehicle is in a high-voltage power-on state; transmitting, by the battery manager, an enable instruction to a direct current (DC) charger assembly in response to the received battery swapping instruction; and performing, by the DC charger assembly, a starting operation in response to the enable instruction, so as to provide a power supply voltage to a vehicle load after an electrical connection between a power battery pack and a high-voltage circuit of the vehicle is cut off during battery swapping of the vehicle.
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公开(公告)号:US20190248385A1
公开(公告)日:2019-08-15
申请号:US16335227
申请日:2017-02-28
Applicant: BYD COMPANY LIMITED
Inventor: Daolin LI , Huiyue LIU , Zhicheng TAN , Qihua FENG
IPC: B61F5/52
Abstract: The present disclosure provides a bogie frame, a bogie assembly and a rail vehicle. The bogie frame includes a bogie body, the bogie body being substantially rectangular and including a first connecting beam, a second connecting beam, a third connecting beam and a fourth connecting beam which are sequentially connected end to end, where the first connecting beam is opposite to the third connecting beam, the second connecting beam is opposite to the fourth connecting beam, an electric assembly mounting groove is formed in the fourth connecting beam, the thickness of the fourth connecting beam is greater than the thickness of the second connecting beam, and the top wall of the first connecting beam and the top wall of the third connecting beam are connected between the top wall of the second connecting beam and the top wall of the fourth connecting beam in an arc shape.
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