Patents by Inventor Xiaoyan Zeng

Xiaoyan Zeng 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: 10808364
    Abstract: An onsite steel rail laser processing engineering vehicle, including a laser processing power engineering vehicle and a laser processing cart, the laser processing power engineering vehicle is connected to the laser processing cart; the onsite steel rail laser processing engineering vehicle further comprises a transport mechanism disposed on the laser processing power engineering vehicle; through movement and rotation, the transport mechanism transports the laser processing cart into the laser processing power engineering vehicle or transports the laser processing cart out from the laser processing power engineering vehicle and places it on rails.
    Type: Grant
    Filed: January 24, 2018
    Date of Patent: October 20, 2020
    Assignees: WUHAN NRD LASER ENGINEERING CO., LTD., HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Xiaoyan Zeng, Qianwu Hu, Pinghua Guo, Xiaoming Xu, Ming Jiang, Dengzhi Wang, Chongyang Li, Li Meng
  • Patent number: 10717654
    Abstract: The present invention relates to a method of preparing a mesoporous carbon material with layered structure using humin. The preparation method provided by the present invention may prepare a mesoporous carbon with layered structure, especially a mesoporous carbon with layered structure having a regular frame. Prepared by the present invention, the mesoporous carbon with layered structure having the regular frame has a specific surface area up to 1000 m2/g and an average pore diameter of 3 nm-6 nm. Such method solves the present problems of low use efficiency of humin and severe waste of resources.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: July 21, 2020
    Assignee: Dongguan University of Technology
    Inventors: Shimin Kang, Chong Wang, Guichen He, Chengming Luo, Xiaoyan Cai, Wanxiang Zeng, Xiaoyuan Lin
  • Publication number: 20200199698
    Abstract: The disclosure discloses a method for reinforcing a rail by laser and auxiliary heat source efficient hybrid cladding. The laser and the auxiliary heat source simultaneously apply on a region to be cladded of a rail surface. The laser serves as a main heat source to enable simultaneous and rapid fusion of an added metal powder and partial substrate material in the rail surface to form a molten pool. The auxiliary heat source moves with the laser heat source in the same direction at the same speed, and performs synchronous preheating and/or post-heating on the laser molten pool, the heat-affected zone and the surface layer of the rail substrate to reduce the temperature gradient, thereby reducing the cooling rate, and avoiding martensite transformation and cracking in the heat-affected zone.
    Type: Application
    Filed: January 18, 2019
    Publication date: June 25, 2020
    Applicants: Wuhan Hivalue Intelaser Ltd., Huazhong University of Science and Technology, WUHAN NRD LASER ENGINEERING CO.,LTD
    Inventors: Xiaoyan ZENG, Li MENG, Dengzhi WANG, Qianwu HU, Pinghua Guo, Xiaohua XU, Li NIU
  • Publication number: 20190345035
    Abstract: The present invention relates to a method of preparing a mesoporous carbon material with layered structure using humin. The preparation method provided by the present invention may prepare a mesoporous carbon with layered structure, especially a mesoporous carbon with layered structure having a regular frame. Prepared by the present invention, the mesoporous carbon with layered structure having the regular frame has a specific surface area up to 1000 m2/g and an average pore diameter of 3 nm-6 nm Such method solves the present problems of low use efficiency of humin and severe waste of resources.
    Type: Application
    Filed: October 9, 2018
    Publication date: November 14, 2019
    Inventors: Shimin KANG, Chong WANG, Guichen HE, Chengming LUO, Xiaoyan CAI, Wanxiang ZENG, Xiaoyuan LIN
  • Patent number: 10309831
    Abstract: The present invention belongs to the technical field of elemental analysis, and more particularly, relates to a dynamic calibration method for echelle spectrometer in laser-induced breakdown spectroscopy, comprising: S1: collecting a standard light source by using an echelle spectrometer; S2: in combination with a calibration function, calculating a pixel position coordinate ({circumflex over (x)},?) corresponding to a spectral wavelength ?; S3: performing dynamic searching and filtering near the pixel position coordinate ({circumflex over (x)},?) to obtain a set D of all pixel position coordinates, and adjusting all original intensity values in the set D to obtain intensity values F(Ix,y), and S4: calculating a spectral line intensity value after dynamic calibration by summing the adjusted intensity values F(Ix,y), thereby completing dynamic calibration of the result of the echelle spectrometer. The method in the present invention can overcome the shortcoming, i.e.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: June 4, 2019
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Xiangyou Li, Meng Shen, Zhongqi Hao, Xinyan Yang, Jiaming Li, Xiaoyan Zeng, Yongfeng Lu
  • Publication number: 20190161918
    Abstract: An onsite steel rail laser processing engineering vehicle, including a laser processing power engineering vehicle and a laser processing cart, the laser processing power engineering vehicle is connected to the laser processing cart; the onsite steel rail laser processing engineering vehicle further comprises a transport mechanism disposed on the laser processing power engineering vehicle; through movement and rotation, the transport mechanism transports the laser processing cart into the laser processing power engineering vehicle or transports the laser processing cart out from the laser processing power engineering vehicle and places it on rails.
    Type: Application
    Filed: January 24, 2018
    Publication date: May 30, 2019
    Inventors: Xiaoyan ZENG, Qianwu HU, Pinghua GUO, Xiaoming XU, Ming JIANG, Dengzhi WANG, Chongyang LI, Li MENG
  • Patent number: 10267741
    Abstract: The present invention belongs to the field of laser plasma emission spectrometry, and in particular relates to a method for improving the detection sensitivity on a carbon element in laser-induced breakdown spectroscopy.
    Type: Grant
    Filed: July 13, 2018
    Date of Patent: April 23, 2019
    Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Xiangyou Li, Jiaming Li, Lianbo Guo, Xiaoyan Zeng, Yongfeng Lu, Zhongqi Hao, Ran Zhou, Yun Tang, Ping Yang
  • Publication number: 20190003887
    Abstract: The present invention belongs to the technical field of elemental analysis, and more particularly, relates to a dynamic calibration method for echelle spectrometer in laser-induced breakdown spectroscopy, comprising: S1: collecting a standard light source by using an echelle spectrometer; S2: in combination with a calibration function, calculating a pixel position coordinate ({circumflex over (x)}, ?) corresponding to a spectral wavelength ?; S3: performing dynamic searching and filtering near the pixel position coordinate ({circumflex over (x)}, ?) to obtain a set D of all pixel position coordinates, and adjusting all original intensity values in the set D to obtain intensity values F(Ix,y), and S4: calculating a spectral line intensity value after dynamic calibration by summing the adjusted intensity values F(Ix,y), thereby completing dynamic calibration of the result of the echelle spectrometer. The method in the present invention can overcome the shortcoming, i.e.
    Type: Application
    Filed: April 24, 2017
    Publication date: January 3, 2019
    Inventors: Xiangyou LI, Meng SHEN, Zhongqi HAO, Xinyan YANG, Jiaming LI, Xiaoyan ZENG, Yongfeng LU
  • Publication number: 20180335388
    Abstract: The present invention belongs to the field of laser plasma emission spectrometry, and in particular relates to a method for improving the detection sensitivity on a carbon element in laser-induced breakdown spectroscopy.
    Type: Application
    Filed: July 13, 2018
    Publication date: November 22, 2018
    Inventors: Xiangyou LI, Jiaming LI, Lianbo GUO, Xiaoyan ZENG, Yongfeng LU, Zhongqi HAO, Ran ZHOU, Yun TANG, Ping YANG
  • Patent number: 10106864
    Abstract: Provided are a method and an apparatus for laser quenching. The method utilizes a scanning galvanometer, and involves laser quenching via irradiation with intermittent, repeated scans, rather than a single scan as in the prior art. The method results in increased laser energy absorbed by the metal base and improved depth of thermal conduction, while avoiding melting at the metal surface, thus providing a significantly improved laser quenching process. The apparatus can include a laser, a control system, a light guiding system, a mechanical motion device and a galvanometer.
    Type: Grant
    Filed: November 7, 2013
    Date of Patent: October 23, 2018
    Assignee: WUHAN HIVALUE INTELASER LTD.
    Inventors: Xiaoyan Zeng, Qianwu Hu, Yinlan Zheng, Ming Jiang, Chongyang Li, Zhao Ren, Kun Li
  • Patent number: 9810634
    Abstract: Provided is a method for inhibiting self-absorption effect of a LIBS, comprising ablating a to-be-measured sample via a pulse laser thereby generating plasma, and selectively stimulating the plasma using a wavelength-tunable laser beam enabling transition of particles in a ground-state in the plasma to high energy state as stimulated absorption, thereby improving a stimulated absorption transition efficiency of the particles in a ground-state, and preventing plasma spectrum from being influenced by self-absorption effect. The invention is capable of eliminating the self-absorption effect without introducing external interference, obtaining original characteristics of emission spectrum from the center of the plasma, and essentially inhibiting and finally eliminating the self-absorption effect of laser plasma by making use of intrinsic physical property of plasma.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: November 7, 2017
    Assignee: Huazhong University of Science and Technology
    Inventors: Lianbo Guo, Jiaming Li, Xiangyou Li, Xiaoyan Zeng, Yongfeng Lu, Rongxing Yi, Xinyan Yang, Zhongqi Hao
  • Publication number: 20170010215
    Abstract: Provided is a method for inhibiting self-absorption effect of a LIBS, comprising ablating a to-be-measured sample via a pulse laser thereby generating plasma, and selectively stimulating the plasma using a wavelength-tunable laser beam enabling transition of particles in a ground-state in the plasma to high energy state as stimulated absorption, thereby improving a stimulated absorption transition efficiency of the particles in a ground-state, and preventing plasma spectrum from being influenced by self-absorption effect. The invention is capable of eliminating the self-absorption effect without introducing external interference, obtaining original characteristics of emission spectrum from the center of the plasma, and essentially inhibiting and finally eliminating the self-absorption effect of laser plasma by making use of intrinsic physical property of plasma.
    Type: Application
    Filed: June 14, 2016
    Publication date: January 12, 2017
    Inventors: Lianbo GUO, Jiaming LI, Xiangyou LI, Xiaoyan ZENG, Yongfeng LU, Rongxing YI, Xinyan YANG, Zhongqi HAO
  • Patent number: 9365983
    Abstract: The invention discloses an on-line laser processing vehicle for a rail, including a chassis, a vehicle body, a steer-control chamber and a container; the steer-control chamber includes a console, a CCD monitoring system and a drive-switching operating system; a dual driving system and switching mechanism, which with a process-operation driving system, a conventional operation driving system and a switching mechanism, is disposed in the container; the process-operation driving system operates to provide driving power for the laser processing vehicle during laser processing, and precisely controls moving speed and distance of the laser processing vehicle; the switching mechanism operates to implement switching between the conventional operation driving system and the process-operation driving system.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: June 14, 2016
    Assignees: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY, WUHAN NRD LASER ENGINEERING CO., LTD
    Inventors: Xiaoyan Zeng, Qianwu Hu, Chongyang Li, Yinlan Zheng, Min Du
  • Publication number: 20160076115
    Abstract: Provided are a method and an apparatus for laser quenching. The method takes the advantage of a high jumping speed of a scanning galvanometer, and adopts the method of heating on multiple or even high frequency repeated scans instead of on a single scan in prior art for laser quenching, wherein the laser energy is fed into the surface of a workpiece by way of short time and multiple superimposed heating, cumulatively, the laser energy absorbed by the metal base is increased and the depth of thermal conduction is improved also. The apparatus includes a laser, a control system, a light guiding system, a mechanical motion device and a scanning galvanometer.
    Type: Application
    Filed: November 7, 2013
    Publication date: March 17, 2016
    Inventors: Xiaoyan ZENG, Qianwu HU, Yinlan ZHENG, Ming JIANG, Chongyang LI, Zhao REN, Kun LI
  • Publication number: 20150020707
    Abstract: The invention discloses an on-line laser processing vehicle for a rail, including a chassis, a vehicle body, a steer-control chamber and a container; the steer-control chamber includes a console, a CCD monitoring system and a drive-switching operating system; a dual driving system and switching mechanism, which with a process-operation driving system, a conventional operation driving system and a switching mechanism, is disposed in the container; the process-operation driving system operates to provide driving power for the laser processing vehicle during laser processing, and precisely controls moving speed and distance of the laser processing vehicle; the switching mechanism operates to implement switching between the conventional operation driving system and the process-operation driving system.
    Type: Application
    Filed: June 13, 2013
    Publication date: January 22, 2015
    Inventors: Xiaoyan Zeng, Qianwu Hu, Chongyang Li, Yinlan Zheng, Min Du