Patents by Inventor Hengxu ZHANG

Hengxu ZHANG 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).

  • Electric vehicle charging pile control system and method considering grid frequency safety
    Patent number: 10308127
    Abstract: The invention discloses an electric vehicle charging pile control system and method considering grid frequency safety. The electric vehicle charging pile control system comprises a grid single-phase power input port, a voltage transformer, an AD conversion chip, a first data processor and a second data processor connected successively; the first data processor is further connected with a data real-time display device and a GPS/Beidou signal receiver respectively; the second data processor communicates with an electric vehicle charging pile and an electric vehicle battery pack respectively; and the second data processor is further connected with a man-machine interaction device.
    Type: Grant
    Filed: May 5, 2016
    Date of Patent: June 4, 2019
    Assignee: Shandong University
    Inventors: Hengxu Zhang, Zongshuai Jin, Yingle Fan
  • ELECTRIC VEHICLE CHARGING PILE CONTROL SYSTEM AND METHOD CONSIDERING GRID FREQUENCY SAFETY
    Publication number: 20180147951
    Abstract: The invention discloses an electric vehicle charging pile control system and method considering grid frequency safety. The electric vehicle charging pile control system comprises a grid single-phase power input port, a voltage transformer, an AD conversion chip, a first data processor and a second data processor connected successively; the first data processor is further connected with a data real-time display device and a GPS/Beidou signal receiver respectively; the second data processor communicates with an electric vehicle charging pile and an electric vehicle battery pack respectively; and the second data processor is further connected with a man-machine interaction device.
    Type: Application
    Filed: May 5, 2016
    Publication date: May 31, 2018
    Inventors: Zongshuai JIN, Hengxu ZHANG, Yingle FAN