公开(公告)号：US20210204385A1

公开(公告)日：2021-07-01

申请号：US16074938

申请日：2018-04-04

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Wanlong WU ,  Fuhua DING ,  Wenguo LIU ,  Zhimin ZHENG ,  Shuo CAO

IPC: H05G1/04 ,  H01J35/12 ,  H05G1/10

Abstract: The present disclosure provides an X-ray tube device and a spring pin for an X-ray tube device. In an embodiment, the X-ray tube device includes: an outer cylinder assembly having an anode end and a cathode end, an anode end cap assembly provided at the anode end of the outer cylinder assembly and including an X-ray tube, a cathode end cap assembly provided at the cathode end of the outer cylinder assembly and including a high voltage receptacle for an external power supply, and a spring pin connection assembly provided in the outer cylinder assembly and connecting a filament lead of the X-ray tube to the high voltage receptacle.

公开(公告)号：US20210055267A1

公开(公告)日：2021-02-25

申请号：US16622553

申请日：2019-05-17

Applicant: Nuctech Company Limited

Inventor： Qingjun ZHANG ,  Yuanjing LI ,  Zhiqiang CHEN ,  Ziran ZHAO ,  Yinong LIU ,  Yaohong LIU ,  Honghui XIN ,  Biao CAO ,  Nan BAI ,  Qiufeng MA

IPC: G01N30/02

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.

公开(公告)号：US20200150086A1

公开(公告)日：2020-05-14

申请号：US16627434

申请日：2019-01-25

Applicant: TSINGHUA UNIVERSITY ,  Nuctech Company Limited

Inventor： Qingjun ZHANG ,  Yuanjing LI ,  Zhiqiang CHEN ,  Ziran ZHAO ,  Yinong LIU ,  Yaohong LIU ,  Honghui XIN ,  Biao CAO ,  Nan BAI ,  Wei WANG ,  Qiufeng MA

IPC: G01N27/62 ,  G01N33/00

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.

公开(公告)号：US20190317240A1

公开(公告)日：2019-10-17

申请号：US16467140

申请日：2017-08-04

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Ziran ZHAO ,  Yaohong LIU ,  Jianping GU ,  Qian YI ,  Bicheng LIU ,  Guangming XU

IPC: G01V5/00 ,  G01N23/046

Abstract: The present disclosure provides a spiral Computed Tomography (CT) device and a three-dimensional image reconstruction method. The spiral CT device includes: an inspection station configured to carry an object to be inspected, the inspection station defining an inspection space which is located above the inspection station and is used for accommodating the object to be inspected; a rotational supporting apparatus which is disposed around the inspection space in a plane parallel to a first direction and is rotatable around the inspection space in a detection state; a plurality of X-ray sources located on the rotational supporting apparatus and configured to transmit X-rays to pass through the inspection space; and a plurality of X-ray receiving apparatuses in one-to-one correspondence to the plurality of X-ray sources, the plurality of X-ray receiving apparatuses being located on the rotational supporting apparatus opposite to the plurality of X-ray sources respectively and configured to collect the X-rays passing through the inspection space, wherein the plurality of X-ray sources and the plurality of X-ray receiving apparatuses are rotational synchronously with the rotational supporting apparatus.

公开(公告)号：US20190204270A1

公开(公告)日：2019-07-04

申请号：US16235315

申请日：2018-12-28

Applicant: Nuctech Company Limited ,  TSINGHUA UNIVERSITY

Inventor： Qingjun ZHANG ,  Weiping ZHU ,  Yuanjing LI ,  Zhiqiang CHEN ,  Ziran ZHAO ,  Yinong LIU ,  Yaohong LIU ,  Qiufeng MA ,  Ge LI ,  Biao CAO ,  Nan BAI

IPC: G01N27/62 ,  G01N30/20 ,  G01N30/60

CPC classification number: G01N27/622 ,  G01N30/20 ,  G01N30/6026 ,  G01N2030/025

Abstract: A gas chromatography-ion mobility spectrometry detector and a hyphenated apparatus, the gas chromatography-ion mobility spectrometry detector comprises a gas chromatography mechanism and an ion mobility spectrometry mechanism. The gas chromatography mechanism comprises a chromatographic column and a sample injection port. The ion mobility spectrometry mechanism comprises a mobility tube and a connecting body, while a metal connection plate of the connecting body comprises a chromatographic metal plate, an ion mobility metal plate and a semipermeable membrane; on the ion mobility metal plate there are provided an ion mobility sample and carrier gas inlet, an ion mobility sample chamber and a sample injection port; the chromatography sample chamber and the ion mobility sample chamber are separated by semipermeable membrane.

公开(公告)号：US20190196050A1

公开(公告)日：2019-06-27

申请号：US16233387

申请日：2018-12-27

Applicant: TSINGHUA UNIVERSITY ,  Nuctech Company Limited

Inventor： Ying LI ,  Jianmin LI ,  Jinguo CAO ,  Yuan MA ,  Yulan LI ,  Yuan HE ,  Yuanjing LI ,  Hui MENG ,  Zhiqiang CHEN ,  Yiwei GUO ,  Li ZHANG

IPC: G01V5/00 ,  G06K9/00

CPC classification number: G01V5/005 ,  G01V5/0016 ,  G06K9/00832

Abstract: A vehicle detection system includes a transverse detector arm, two vertical detector arms, a radiation source, a plurality of transverse detectors, and a plurality of vertical detectors. The transverse detector arm may be disposed on the ground. Two vertical detector arms are disposed at both ends of the transverse detector arm. The radiation source is located above the transverse detector arm. A plurality of transverse detectors are disposed within the transverse detector arm and are laid along a length direction of the transverse detector arm for receiving ray emitted by the radiation source. The plurality of vertical detectors are symmetrically disposed on the two vertical detector arms, and each of the vertical detectors is disposed towards a center point of the radiation source for receiving ray emitted by the radiation source.

公开(公告)号：US20190122781A1

公开(公告)日：2019-04-25

申请号：US16166042

申请日：2018-10-19

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Inventor： Yigang YANG ,  Jianmin LI ,  Dongyu WANG ,  Hao YU ,  Weizhen WANG ,  Weiqiang GUAN ,  Wei YIN ,  Wei LI ,  Quanwei SONG ,  Yulan LI ,  Chunguang ZONG ,  Yaohong LIU ,  Yuanjing LI ,  Zhiqiang CHEN ,  Li ZHANG

IPC: G21G4/02 ,  G01N23/00 ,  H05H6/00

Abstract: The present disclosure discloses a photoneutron source and a neutron inspection system. The photoneutron source comprises: an electron accelerating tube for accelerating an electron beam; an X-ray converting target, and the electron beam accelerated by the electron accelerating tube bombards the X-ray converting target to generate X-rays; a photoneutron target, and the X-rays enters the photoneutron target to generates photoneutrons; and a neutron modulation housing provided outside the photoneutron target, and the neutron modulation housing comprises a neutron collimation port for outputting photoneutrons. The present disclosure may directly output a desired neutron beam from the neutron collimation port of the photoneutron source.

公开(公告)号：US20180187443A1

公开(公告)日：2018-07-05

申请号：US15857645

申请日：2017-12-29

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Yuanjing LI ,  Jianmin LI ,  Shangmin SUN ,  Yu HU ,  Yuan MA ,  Qiangqiang WANG

IPC: E04H6/36 ,  B65G47/90 ,  B65G67/02

Abstract: A vehicle inspection system is described. The vehicle inspection system comprises: an inspection device, for performing an inspection on a vehicle to be inspected; a carrier platform, for carrying the vehicle to be inspected; and an unmanned controlled travelling device for moving the carrier platform to pass through a scanning area of the inspection device, so as to perform the inspection on the vehicle to be inspected. In the present disclosure, the vehicle to be inspected is carried by the carrier platform, and the unmanned controlled travelling device is used to move the carrier platform to pass through the scanning area of the inspection device, so that the vehicle to be inspected can be subject to inspection smoothly. There is no driver required to drive through the scanning area in this process, thus avoiding exposure of a driver to a threat of radiation.

公开(公告)号：US20180137371A1

公开(公告)日：2018-05-17

申请号：US15719309

申请日：2017-09-28

Applicant: Nuctech Company Limited

Inventor： Hu TANG ,  Li ZHANG ,  Zhiqiang CHEN ,  Jiamin ZHANG

IPC: G06K9/00

CPC classification number: G06K9/00771 ,  G06K9/00979 ,  G06K2209/09 ,  G08B13/196 ,  H04L67/32 ,  H04N7/18 ,  H04N21/2335

Abstract: A method, server and system for operating on security inspection data is disclosed. In one aspect, an example method performed by a server for operating on security inspection data includes receiving an operation request for target security inspection data from a client through a network. The target security inspection data is loaded from a storage server based on the operation request. Image processing on the loaded target security inspection data is performed. The processed target security inspection data or a graphic interface including the processed target security inspection data is encoded. The encoded target security inspection data or graphic interface is transmitted to the client through the network in a video stream.

公开(公告)号：US20180081078A1

公开(公告)日：2018-03-22

申请号：US15709350

申请日：2017-09-19

Applicant: NUCTECH COMPANY LIMITED

Inventor： Chunguang ZONG ,  Ying LI ,  Hejun ZHOU ,  Jianmin LI ,  Yuanjing LI ,  Yulan LI ,  Li ZHANG ,  Zhiqiang CHEN

IPC: G01V5/00

CPC classification number: G01V5/0066 ,  G01V5/0016 ,  G01V5/0025

Abstract: A ray inspection system used to be mounted in a container yard to inspect an object within a container is provided. The ray inspection system includes: a ray generator device configured to emit a ray, a ray receiving device configured to receive the ray, and at least one chamber for receiving the ray generator device and the ray receiving device therein. Each of the at least one chamber is configured to be a standard container or a chamber which has a same shape, a same size and a same structure as a standard container such that the ray inspection system is adapted to be stacked in the container yard.