Patents by Inventor Shulin Liang

Shulin Liang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11865933
    Abstract: An energy conversion device is provided, including a motor coil (11), a bridge arm converter (12), and a bidirectional bridge arm (13). The bridge arm converter (12) is connected to the motor coil (11) and the bidirectional bridge arm (13). The motor coil (11), the bridge arm converter (12), and the bidirectional bridge arm (13) are all connected to an external charging port (10). Both the bridge arm converter (12) and the bidirectional bridge arm (13) are connected to an external battery 200. The motor coil (11), the bridge arm converter (12), and the external charging port (10) form a DC charging circuit for charging the external battery 200. The motor coil (11), the bridge arm converter (12), the bidirectional bridge arm (13), and the external charging port (10) form an AC charging circuit for charging the external battery (200). The motor coil (11), the bridge arm converter (12), and the external battery (200) form a motor drive circuit.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: January 9, 2024
    Assignee: BYD COMPANY LIMITED
    Inventors: Jingcui Teng, Yu Liu, Shulin Liang, Chao Wang, Hongbin Luo
  • Patent number: 11855543
    Abstract: An energy conversion apparatus includes: an inductor, where a first end of the inductor is connected to an external charging port; a bridge arm converter, connected between an external battery and the external charging port, where the bridge arm converter includes a first phase bridge arm, a second phase bridge arm, and a third phase bridge arm connected in parallel, and a second end of the inductor is connected to the first phase bridge arm; a voltage transformation unit, where an input end of the voltage transformation unit is connected to the second phase bridge arm and the third phase bridge arm; and a first bidirectional H-bridge, connected between an output end of the voltage transformation unit and the external battery. The external battery is connected to and drives an external motor. The external charging port is connected to a power supply and charges the external battery.
    Type: Grant
    Filed: June 18, 2020
    Date of Patent: December 26, 2023
    Assignee: BYD COMPANY LIMITED
    Inventors: Jingcui Teng, Shulin Liang, Yu Liu, Chao Wang
  • Publication number: 20230347948
    Abstract: The present disclosure discloses a rail corrugation recognition method and apparatus based on a support vector machine, a device, and a medium.
    Type: Application
    Filed: November 4, 2022
    Publication date: November 2, 2023
    Inventors: Zefeng Wen, Xiaolong Liu, Xinbiao Xiao, Shulin Liang
  • Publication number: 20230200029
    Abstract: A vehicle-mounted power supply apparatus and a vehicle having same. The vehicle-mounted power supply apparatus (100) includes: a housing (110), a magnetic device (120), and a shielding component (130). A mounting position (111) is arranged in the housing (110). The magnetic device (120) is an integrated part and is arranged at the mounting position (111), The shielding component (130) is arranged in the housing 110), and the shielding component (130) surrounds a periphery of the mounting position (111).
    Type: Application
    Filed: July 1, 2021
    Publication date: June 22, 2023
    Inventors: Bin WU, Baochuan LONG, Lianjun DU, Shulin LIANG, Chao WANG
  • Publication number: 20220355686
    Abstract: An energy conversion device is provided, including a motor coil (11), a bridge arm converter (12), and a bidirectional bridge arm (13). The bridge arm converter (12) is connected to the motor coil (11) and the bidirectional bridge arm (13). The motor coil (11), the bridge arm converter (12), and the bidirectional bridge arm (13) are all connected to an external charging port (10). Both the bridge arm converter (12) and the bidirectional bridge arm (13) are connected to an external battery 200. The motor coil (11), the bridge arm converter (12), and the external charging port (10) form a DC charging circuit for charging the external battery 200. The motor coil (11), the bridge arm converter (12), the bidirectional bridge arm (13), and the external charging port (10) form an AC charging circuit for charging the external battery (200). The motor coil (11), the bridge arm converter (12), and the external battery (200) form a motor drive circuit.
    Type: Application
    Filed: June 18, 2020
    Publication date: November 10, 2022
    Inventors: Jingcui TENG, Yu LIU, Shulin LIANG, Chao WANG, Hongbin LUO
  • Publication number: 20220360184
    Abstract: This application discloses an energy conversion apparatus, a power system, and a vehicle. The energy conversion apparatus includes: an inductor (12), where an end of the inductor is connected to an external charging port (2); a bridge arm converter (13), connected between an external battery (3) and the external charging port (2), where the bridge arm converter (13) includes a first phase bridge arm (131), a second phase bridge arm (132), and a third phase bridge arm (133) connected in parallel, and the other end of the inductor (12) is connected to the first phase bridge arm (131); a voltage transformation unit (14), where an input end of the voltage transformation unit is respectively connected to the second phase bridge arm (132) and the third phase bridge arm (133); and a first bidirectional H-bridge (15), connected between an output end of the voltage transformation unit (14) and the external battery (3).
    Type: Application
    Filed: June 18, 2020
    Publication date: November 10, 2022
    Inventors: Jingcui TENG, Shulin LIANG, Yu LIU, Chao WANG
  • Patent number: 10270282
    Abstract: A solar charger for charging a power battery is provided, comprising: a photo-sensitive unit configured to detect light intensity; a charging unit configured to receive a voltage transformed from solar energy and to boost the voltage for charging the power battery; a switch unit coupled between the charging unit and the power battery and configured to disconnect the charging unit from the power battery or connect the charging unit with the power battery; and a control unit coupled to each of the photo-sensitive unit, the switch unit, and the charging unit, and configured to switch on the charging unit and the switch unit when the light intensity is higher than a first predetermined value to charge the power battery.
    Type: Grant
    Filed: June 29, 2012
    Date of Patent: April 23, 2019
    Assignees: SHENZHEN BYD AUTO R&D COMPANY LIMITED, BYD COMPANY LIMITED
    Inventors: Guangxi Guo, Yang Xu, Shulin Liang, Jianhua Zhang
  • Patent number: 10118498
    Abstract: A power supply system for an electric vehicle includes a battery module, a first DC/DC converter, a second DC/DC converter, a first switch, a second switch and a third switch. The battery module has a negative electrode, a first positive electrode and a second positive electrode. The first DC/DC converter has an input terminal connected with the second positive electrode. The second DC/DC converter has an input terminal connected with the second positive electrode. The first switch is connected between the second positive electrode and the first DC/DC converter. The second switch is connected between the second positive electrode and the second DC/DC converter. The third switch is connected between the first positive electrode and an output terminal of the second DC/DC converter.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: November 6, 2018
    Assignee: BYD COMPANY LIMITED
    Inventors: Longfei Li, Shulin Liang, Xiaohua Tang
  • Publication number: 20160039304
    Abstract: A power supply system for an electric vehicle includes a battery module, a first DC/DC converter, a second DC/DC converter, a first switch, a second switch and a third switch. The battery module has a negative electrode, a first positive electrode and a second positive electrode. The first DC/DC converter has an input terminal connected with the second positive electrode. The second DC/DC converter has an input terminal connected with the second positive electrode. The first switch is connected between the second positive electrode and the first DC/DC converter. The second switch is connected between the second positive electrode and the second DC/DC converter. The third switch is connected between the first positive electrode and an output terminal of the second DC/DC converter.
    Type: Application
    Filed: March 21, 2014
    Publication date: February 11, 2016
    Inventors: Longfei Li, Shulin Liang, Xiaohua Tang
  • Patent number: 8954234
    Abstract: An electric power steering system includes a power supply, a driving motor for supplying mechanical power, and an electric power steering controller configured to control the driving motor and provide power to the driving motor. A boosting module is operatively coupled between the power supply and the electric power steering controller and is configured to boost a power output of the power supply, and supply the boosted power output to the electric power steering controller so that the driving motor receives a boosted power level.
    Type: Grant
    Filed: November 15, 2010
    Date of Patent: February 10, 2015
    Assignee: BYD Co. Ltd.
    Inventors: Lin Shen, Xiaojing Li, Shulin Liang, Jianhua Zhang
  • Patent number: 8723473
    Abstract: A control system of a solar power supply for a vehicle is provided. The control system includes a solar battery pack and a control module. The solar battery is connected to an auxiliary power module, the control module, a DC/DC buck converter via a first switch, and connected to a DC/DC boost converter via a second switch. The DC/DC buck converter is connected to a low-voltage load, a starting battery and the control module. The DC/DC boost converter is connected to a high-voltage load, the control module, a power battery pack via a main contactor.
    Type: Grant
    Filed: September 30, 2011
    Date of Patent: May 13, 2014
    Assignee: BYD Company Limited
    Inventors: Yang Xu, Shulin Liang, Jianhua Zhang
  • Publication number: 20120299529
    Abstract: A solar charger for charging a power battery is provided, comprising: a photo-sensitive unit configured to detect light intensity; a charging unit configured to receive a voltage transformed from solar energy and to boost the voltage for charging the power battery; a switch unit coupled between the charging unit and the power battery and configured to disconnect the charging unit from the power battery or connect the charging unit with the power battery; and a control unit coupled to each of the photo-sensitive unit, the switch unit, and the charging unit, and configured to switch on the charging unit and the switch unit when the light intensity is higher than a first predetermined value to charge the power battery.
    Type: Application
    Filed: June 29, 2012
    Publication date: November 29, 2012
    Inventors: Guangxi GUO, Yang Xu, Shulin Liang, Jianhua Zhang
  • Publication number: 20120112684
    Abstract: A control system of a solar power supply for a vehicle is provided. The control system includes a solar battery pack and a control module. The solar battery is connected to an auxiliary power module, the control module, a DC/DC buck converter via a first switch, and connected to a DC/DC boost converter via a second switch. The DC/DC buck converter is connected to a low-voltage load, a starting battery and the control module. The DC/DC boost converter is connected to a high-voltage load, the control module, a power battery pack via a main contactor.
    Type: Application
    Filed: September 30, 2011
    Publication date: May 10, 2012
    Inventors: Yang XU, Shulin Liang, Jianhua Zhang
  • Publication number: 20110130922
    Abstract: An electric power steering system includes a power supply, a driving motor for supplying mechanical power, and an electric power steering controller configured to control the driving motor and provide power to the driving motor. A boosting module is operatively coupled between the power supply and the electric power steering controller and is configured to boost a power output of the power supply, and supply the boosted power output to the electric power steering controller so that the driving motor receives a boosted power level.
    Type: Application
    Filed: November 15, 2010
    Publication date: June 2, 2011
    Applicant: BYD Co., Ltd.
    Inventors: Lin SHEN, Xiaojing Ll, Shulin Liang, Jianhua Zhang