Patents by Inventor Qingjin Liu

Qingjin Liu 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).

  • Emergency power control system
    Patent number: 10804721
    Abstract: An emergency power supply control system includes a main control module, a power storage module, a charge module, and a discharge module. The main control module is respectively connected to the power storage module, the charge module, and the discharge module. The charge module, the power storage module, and the discharge module are connected in sequence. The power storage module includes a power storage control unit and a power storage management unit, an input end of the power storage management unit is connected to an output end of the charge module, an output end of the power storage management unit is connected to an input end of the discharge module. The input end of the power storage management unit is connected to an output end of the power storage control unit, an input end of the power storage control unit is connected to the main control module.
    Type: Grant
    Filed: April 21, 2020
    Date of Patent: October 13, 2020
    Assignee: SHENZHEN SEGRE ELECTRONIC CO., LTD.
    Inventor: Qingjin Liu