Patents by Inventor Yinong Liu

Yinong 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).

  • Publication number: 20210071916
    Abstract: The disclosed subject matter includes an active control alternating-direct flow hybrid mechanical cryogenic system, and relates to the field of cryogenic refrigeration technologies. The active control alternating-direct flow hybrid mechanical cryogenic system includes a main compressor, a Stirling cold finger, an intermediate heat exchanger, a pulse tube cold finger, a first dividing wall type heat exchanger, a final precooled heat exchanger, a second dividing wall type heat exchanger, and an evaporator that are communicated successively, where the second dividing wall type heat exchanger is connected to the evaporator through a second connecting pipeline, and a throttling element is disposed on the second connecting pipeline; a pulse tube cold head of the pulse tube cold finger is communicated with the final precooled heat exchanger through a cold chain; and a check valve is disposed on the intermediate heat exchanger.
    Type: Application
    Filed: December 16, 2019
    Publication date: March 11, 2021
    Applicant: Shanghai Institute of Technical Physics, Chinese Academy of Sciences
    Inventors: Shaoshuai Liu, Yinong Wu, Zhenhua Jiang, Lei Ding, Haifeng Zhu, Baoyu Yang, Xiaoping Qu, Zhi Lu, Zheng Huang, Peng Zhao
  • Publication number: 20210055267
    Abstract: The present disclosure relates to an article inspection system and method, an electronic device, and a storage medium, and relates to the field of security inspection technology. The system includes: a pre-concentration sampling module configured to concentrate and sample gas molecule of the article under inspection to obtain a sample; a gas chromatography module; an internal circulation gas path module; and an ion migration tube module connected to the internal circulation gas path module and configured to form a fingerprint spectrum of the article under inspection from a spectrum of the pre-separated sample molecules, so as to identify a kind of the article under inspection according to the fingerprint spectrum. The present disclosure improves the efficiency and accuracy of article inspection, and realizes intelligent inspection of articles.
    Type: Application
    Filed: May 17, 2019
    Publication date: February 25, 2021
    Applicant: Nuctech Company Limited
    Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Ziran ZHAO, Yinong LIU, Yaohong LIU, Honghui XIN, Biao CAO, Nan BAI, Qiufeng MA
  • Publication number: 20210025849
    Abstract: The present disclosure provides a trace detection device. The trace detection device includes: a box body comprising a main body frame and a top plate, the top plate and the main body frame forming a fully enclosed cavity; an ion migration tube assembly in the cavity and on a first side of the cavity; and a preamplifier and high voltage circuit board in the cavity and on a second side of the cavity, the second side being opposite to the first side.
    Type: Application
    Filed: July 21, 2020
    Publication date: January 28, 2021
    Applicants: NUCTECH COMPANY LIMTED, Tsinghua University
    Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Jianmin LI, Yinong LIU, Yaohong LIU, Yanqin ZHAO, Lili YAN, Biao CAO, Qiufeng MA, Ge LI
  • Patent number: 10768575
    Abstract: An imaging device and an imaging method by millimeter wave 3D holographic scanning are disclosed. In an embodiment, the millimeter wave 3D holographic scanning imaging device may include: a conveying apparatus configured to convey an object located thereon in a first direction; and at least one millimeter wave transceiving module arranged beside the conveying apparatus, each configured to be enabled to scan the object when the conveying apparatus conveys the object through the respective millimeter wave transceiving module, wherein each millimeter wave transceiving module is arranged to have its longitudinal direction extend in a direction intersecting the first direction, and includes a millimeter wave transceiving antenna array for transceiving millimeter wave signals.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: September 8, 2020
    Assignee: Nuctech Company Limited
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Li Zhang, Yinong Liu, Yingkang Jin, Wentao Yu
  • Patent number: 10663429
    Abstract: The present disclosure provides a device for collecting semi-volatile or non-volatile substance, including an air nozzle, a front cavity and a collecting body. The air nozzle is configured to eject air to a sample attachment surface. The front cavity has an upper port. The collecting body is sealingly connected to a lower end of the front cavity, inside of which is provided with a cylindrical cavity and a conical cavity arranged vertically coaxially, and bottom of which is provided with a sample outlet. The collecting body is provided with an air intake passage which is non-coplanar with respect to an axis of the cylindrical cavity and is disposed obliquely downward and inward. The collecting body is further provided with an air exhaust passage one end of which is a discharge port connected to the interior of the cylindrical cavity, the other end is connected to an air pump.
    Type: Grant
    Filed: December 28, 2018
    Date of Patent: May 26, 2020
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Ge Li, Jingli Xie, Qiufeng Ma, Biao Cao
  • Patent number: 10654196
    Abstract: A mold and a method of manufacturing GOS ceramic scintillator by using the mold are provided. The mold comprises: a female outer sleeve having a cavity disposed inside; a plurality of female blocks disposed inside the cavity, the plurality of female blocks being put together to form a composite structure having a vertical through hole; and a male upper pressing head and a male lower pressing head, wherein each of the male upper pressing head and the male lower pressing head has a shape consistent with that of the vertical through hole. The disclosure may reduce defects of the related art in hot-pressing-sintering such as a mold has a short retirement period and a high material waste, significantly reduce the cost for production of the GOS ceramic scintillator, and significantly improve a process economy.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: May 19, 2020
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Yanchun Wang, Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Nan Bai
  • Publication number: 20200150086
    Abstract: A gas path flow monitoring apparatus for an ion mobility spectrometer includes: an ion migration tube, a sensor group, and monitoring device. The ion migration tube has a drift gas inlet, a carrier gas inlet for a sample gas, and an exhaust outlet. The sensor group comprises a drift gas intake quantity sensor connected to the drift gas inlet, a carrier gas intake quantity sensor connected to the carrier gas inlet, and an exhaust quantity sensor connected to the exhaust outlet. The monitoring device is connected to the sensor group to monitor a drift gas intake quantity sensed by the drift gas intake quantity sensor, a carrier gas intake quantity sensed by the carrier gas intake quantity sensor, and an exhaust quantity sensed by the exhaust quantity sensor.
    Type: Application
    Filed: January 25, 2019
    Publication date: May 14, 2020
    Applicants: TSINGHUA UNIVERSITY, Nuctech Company Limited
    Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Ziran ZHAO, Yinong LIU, Yaohong LIU, Honghui XIN, Biao CAO, Nan BAI, Wei WANG, Qiufeng MA
  • Patent number: 10634780
    Abstract: An electromagnetic wave imaging system and a method of correcting an antenna array signal are disclosed. In an example, the electromagnetic wave imaging system may include an antenna array, configured to receive electromagnetic wave from a target object and convert the electromagnetic wave into an electrical signal; a signal processing unit, configured to process the electrical signal to obtain an image of the target object; and a distance measuring device, configured to measure a distance of the target object from the antenna array, wherein the signal processing unit corrects the electrical signal based at least in part on the measured distance.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: April 28, 2020
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Yinong Liu, Jieqing Yang
  • Publication number: 20200110056
    Abstract: A sampling tube bundle includes a tube bundle body and a joint assembly. The tube bundle body includes a gas sampling tube for transmitting sampling gas; a metal woven layer wrapping an outer circumference of the gas sampling tube; a heating pad comprising a heat tracing cable wrapping an outer circumference of the metal woven layer, for heating the sampling gas in the gas sampling tube; a flame resistant tape wound around an outer circumference of the of the heating pad; a plurality of signal transmission lines circumferentially spaced apart from one another are arranged outside the flame resistant tape; and a sheath located outside the signal transmission line. The joint assembly is arranged on an end of the tube bundle body, for connecting to an analysis device or a sampling device.
    Type: Application
    Filed: May 8, 2019
    Publication date: April 9, 2020
    Applicants: TSINGHUA UNIVERSITY, Nuctech Company Limited, WUHU JIAHONG NEW MATERIAL CO., LTD.
    Inventors: Zhiqiang CHEN, Chunan XU, Qingjun ZHANG, Fengfeng XIONG, Yuanjing LI, Ziran ZHAO, Yinong LIU, Yaohong LIU, Ge LI, Qiufeng MA, Biao CAO
  • Patent number: 10539531
    Abstract: A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: January 21, 2020
    Assignee: Nuctech Company Limited
    Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Huishao He, Qiufeng Ma, Weiping Zhu, Xiang Zou, Jianping Chang, Song Liang
  • Patent number: 10520402
    Abstract: The present disclosure relates to the technical field of safety detection, and in particular to a sample collecting and introducing device and a detection system. The sample collecting and introducing device provided by the present disclosure includes a sampling device for collecting a sample, and a semipermeable membrane device for extracting the sample collected by the sampling device and conveying the extracted sample to detection equipment, wherein the sampling device is provided with an air guide cavity, the air guide cavity is configured to guide airflow carrying the sample to flow to the semipermeable membrane device, the semipermeable membrane device is provided with a semipermeable membrane which is arranged outside the sampling device. In the present disclosure, the size of the semipermeable membrane is no longer limited by the sampling device, and therefore the difficulty of increasing the area of the semipermeable membrane is reduced.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: December 31, 2019
    Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Ge Li, Biao Cao, Jingli Xie, Xiaolin Zhao, Qiufeng Ma
  • Patent number: 10510683
    Abstract: The present disclosure proposes a packaging structure for a metallic bonding based opto-electronic device and a manufacturing method thereof. According to the embodiments, the packaging structure for an opto-electronic device may comprise an opto-electronic chip and a packaging base. The opto-electronic chip comprises: a substrate having a first substrate surface and a second substrate surface opposite to each other; an opto-electronic device formed on the substrate; and electrodes for the opto-electronic device which are formed on the first substrate surface. The packaging base has a first base surface and a second base surface opposite to each other, and comprises conductive channels extending from the first base surface to the second base surface.
    Type: Grant
    Filed: September 28, 2017
    Date of Patent: December 17, 2019
    Assignees: Tsinghua University, NUCTECH COMPANY LIMITED
    Inventors: Wenjian Zhang, Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Xiang Zou, Huishao He, Shuwei Li, Nan Bai
  • Publication number: 20190346472
    Abstract: The present disclosure provides a gate system for sample detection and a method of sample inspection, which relate to the field of detection and analysis technology. The gate system comprises: an accommodating apparatus configured to accommodate an inserted ticket to be detected; a wipe sampling apparatus including a wipe sampling belt which is configured to drive the ticket to be detected to move within the accommodating apparatus and to conduct a wipe sampling to the ticket; an inspiratory sampling apparatus configured to collect samples dropped from the wipe sampling apparatus; and a detection apparatus configured to detect the samples and output detection results. The gate system for sample detection and the method of sample inspection provided by the present disclosure have a wide range of applications and can perform rapid sampling and detection to those substances that are difficult to be volatilized.
    Type: Application
    Filed: May 8, 2019
    Publication date: November 14, 2019
    Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Ziran ZHAO, Yinong LIU, Yaohong LIU, Qiufeng MA, Lili YAN, Weiping ZHU, Biao CAO
  • Patent number: 10466372
    Abstract: The present invention discloses an X-ray beam intensity monitoring device and an X-ray inspection system. The X-ray beam intensity monitoring device comprises an intensity detecting module and a data processing module, wherein the intensity detecting module is adopted to be irradiated by the X-ray beam and send a detecting signal, the data processing module is coupled with the intensity detecting module to receive the detecting signal and output an X-ray beam intensity monitoring signal, wherein the X-ray beam intensity monitoring signal includes a dose monitoring signal for the X-ray beam and a brightness correction signal for correcting signal values of the X-ray beam. The X-ray beam intensity monitoring device can simultaneously perform dose monitoring and brightness monitoring, thereby improving the service efficiency of the X-ray beam intensity monitoring device. Moreover, the monitoring result of the X-ray beam intensity can be more accurate and reliable.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: November 5, 2019
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Kejun Kang, Shuwei Li, Qingjun Zhang, Yuanjing Li, Yulan Li, Ziran Zhao, Yinong Liu, Yaohong Liu, Weibin Zhu, Xiaolin Zhao, Huishao He
  • Patent number: 10429348
    Abstract: A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: October 1, 2019
    Assignee: Nuctech Company Limited
    Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Huishao He, Qiufeng Ma, Weiping Zhu, Xiang Zou, Jianping Chang, Song Liang
  • Patent number: 10411051
    Abstract: A coplanar electrode photodiode array and a manufacturing method thereof are disclosed. On a top side of a low resistance rate substrate, a high resistance epitaxial silicon wafer, a first conductive type heavily doped region and a second conductive type doped region are formed, which are a cathode and an anode of a photodiode respectively. The structure includes a trench structure formed between the anode and the cathode, the trench structure may be form by a gap, an insulating material, a conductive structure, a reflective material, and ion implantation, and also includes a first conductive type heavily doped region, an insulating isolation layer or a conductive structure with an insulating layer, and the like formed under the anode and the cathode.
    Type: Grant
    Filed: August 31, 2016
    Date of Patent: September 10, 2019
    Assignee: Nuctech Company Limited
    Inventors: Lan Zhang, Yuanjing Li, Yinong Liu, Haifan Hu, Jun Li
  • Publication number: 20190234905
    Abstract: A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Huishao He, Qiufeng Ma, Weiping Zhu, Xiang Zou, Jianping Chang, Song Liang
  • Publication number: 20190234904
    Abstract: A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.
    Type: Application
    Filed: April 5, 2019
    Publication date: August 1, 2019
    Inventors: Qingjun Zhang, Yuanjing Li, Zhiqiang Chen, Ziran Zhao, Yinong Liu, Yaohong Liu, Huishao He, Qiufeng Ma, Weiping Zhu, Xiang Zou, Jianping Chang, Song Liang
  • Publication number: 20190204188
    Abstract: A sampling adsorber, a heat desorption chamber device, a sampling apparatus and an analyzer apparatus. The sampling adsorber includes an outer barrel, which includes an outer barrel first end and an outer barrel second end, and a core located in the outer barrel, the core having a core first end and a core second end, and the outer barrel first end and the core first end are located at a same side of the sampling adsorber. The core includes an adsorbent portion configured to adsorb a sample and a core body portion, the adsorbent portion connected to the core body portion. Sizes of the outer barrel and the core are formed such that a gap is provided between them to allow external gas to enter the gap through the adsorbent portion and to subsequently be discharged from a downstream portion of the gap.
    Type: Application
    Filed: December 26, 2018
    Publication date: July 4, 2019
    Applicants: Tsinghua University, NUCTECH COMPANY LIMITED
    Inventors: Qingjun ZHANG, Yuanjing LI, Zhiqiang CHEN, Ziran ZHAO, Yinong LIU, Yaohong LIU, Nan BAI, Ge LI, Qiufeng MA, Biao CAO, Weiping ZHU
  • Publication number: 20190206095
    Abstract: An image processing method, comprising: acquiring, by a CT scanning system, projection data of an object; and processing, by using a convolutional neural network, the projection data, to acquire an estimated image of the object. The convolutional neural network comprises: a projection domain network for processing input projection data to obtain estimated projection data; an analytical reconstruction network layer for performing analytical reconstruction to obtain a reconstructed image; an image domain network for processing the reconstructed image to obtain an estimated image, a projection layer for performing a projection operation by using a system projection matrix of the CT scanning system, to obtain a projection result of the estimated image; and a statistical model layer for determining consistency among the input projection data, the estimated projection data, and the projection result of the estimated image based on a statistical model.
    Type: Application
    Filed: December 28, 2018
    Publication date: July 4, 2019
    Inventors: Yuxiang XING, Kaichao LIANG, Le SHEN, Li ZHANG, Hongkai YANG, Kejun KANG, Zhiqiang CHEN, Jianmin LI, Yinong LIU