Patents by Inventor Yifan BIE

Yifan BIE 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).

  • Optical fiber detection device for detecting discharge fault of high-voltage bushing
    Patent number: 11073414
    Abstract: The present disclosure relates to an optical fiber detection device for detecting a discharge fault of a high-voltage bushing, which includes an optical fiber sensing unit, an optical fiber delay unit, a photoelectric conversion unit, and a signal collecting and processing unit. The optical fiber sensing unit includes sensing optical fibers; the optical fiber delay unit includes delay optical fibers, a light source, and couplers; the photoelectric conversion unit includes a photodetector; the signal collecting and processing unit includes a high-pass filter. The delay optical fibers are connected to the couplers; an output end of the light source is connected to the light-splitting coupler; an input end of the photodetector is connected to the light-splitting coupler, and an output end of the photodetector is connected to the signal collecting and processing unit; and the light-combining coupler is connected to the sensing optical fibers.
    Type: Grant
    Filed: January 15, 2020
    Date of Patent: July 27, 2021
    Assignee: NANJING UNIVERSITY OF AERONAUTICS AND ASTRONAUTICS
    Inventors: Jun Jiang, Kai Wang, Judong Chen, Wei Li, Yifan Bie, Chaohai Zhang
  • Optical Fiber Detection Device for Detecting Discharge Fault of High-Voltage Bushing
    Publication number: 20210148735
    Abstract: The present disclosure relates to an optical fiber detection device for detecting a discharge fault of a high-voltage bushing, which includes an optical fiber sensing unit, an optical fiber delay unit, a photoelectric conversion unit, and a signal collecting and processing unit. The optical fiber sensing unit includes sensing optical fibers; the optical fiber delay unit includes delay optical fibers, a light source, and couplers; the photoelectric conversion unit includes a photodetector; the signal collecting and processing unit includes a high-pass filter. The delay optical fibers are connected to the couplers; an output end of the light source is connected to the light-splitting coupler; an input end of the photodetector is connected to the light-splitting coupler, and an output end of the photodetector is connected to the signal collecting and processing unit; and the light-combining coupler is connected to the sensing optical fibers.
    Type: Application
    Filed: January 15, 2020
    Publication date: May 20, 2021
    Inventors: Jun JIANG, Kai Wang, Judong CHEN, Wei LI, Yifan BIE, Chaohai ZHANG