公开(公告)号：US20180059068A1

公开(公告)日：2018-03-01

申请号：US15691746

申请日：2017-08-31

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Shangmin Sun ,  Yu Hu ,  Xuejing Yang ,  Qiangqiang Wang ,  Long Du ,  Wei Li

IPC: G01N29/265 ,  G01N27/90 ,  G01N23/14 ,  G01N19/08

CPC classification number: G01N23/10 ,  G01N27/902 ,  G01V5/0025

Abstract: This invention relates to a movable article inspection system and inspection method, wherein the inspection system comprises: a first automated guided vehicle, a radiation source and a detection mechanism; said radiation source and said detection mechanism are both mounted on said first automated guided vehicle, said first automated guided vehicle is able to move to a preset scanning inspection position, such that scanning inspection of said article to be scanned is effectuated by means of relative movement between an article to be scanned and the first automated guided vehicle. Such movable inspection system based on an automated guided vehicle is capable of making full use of an existing automated guided vehicle and its control system to make a movement path of the inspection system more flexible, and capable of effectuating centralized control and management of the inspection system, so that it can improve inspection efficiency, and save labor cost.

公开(公告)号：US20160187526A1

公开(公告)日：2016-06-30

申请号：US14982374

申请日：2015-12-29

Applicant: Tsunghua University ,  Nuctech Company Limited

Inventor： Kejun Kang ,  Xuejing Yang ,  Shangmin Sun ,  Yu Hu ,  Jingyu Gu ,  Weifeng Yu ,  Ke Li ,  Lei Liu ,  Youai Yu

IPC: G01V5/00

CPC classification number: G01N23/10 ,  B62D65/005 ,  G01N23/18 ,  G01N2201/0216 ,  G01N2223/301 ,  G01N2223/306 ,  G01N2223/308 ,  G01V5/0016 ,  G01V5/0066 ,  G05B2219/37125 ,  G05B2219/40544 ,  H05G1/46

Abstract: A vehicle-carried quick inspection system includes an X-ray source, a detector, the X-ray source and the detector being arranged to form an inspection passage, a controller configured to control the X-ray source so that X-ray irradiation dose is extremely low when the driver's cab of the inspected vehicle passes through an X-ray beam, and control the X-ray source so that the irradiation dose of the X-ray source becomes a working dose when the other subsequent portions of the inspected vehicle pass through the X-ray beam. A mobile and fully automated security inspection system is obtained and quick inspection can be achieved, while protecting the driver from being damaged from X-ray irradiation.

Abstract translation: 一种车载快速检查系统，包括X射线源，检测器，X射线源和检测器布置成形成检查通道;控制器，被配置为控制X射线源，使得X射线照射剂量 当被检查车辆的驾驶室通过X射线束时，极低，并且控制X射线源，使得当被检查车辆的其他后续部分的X射线源的照射剂量变为工作剂量时 通过X射线束。 获得移动和全自动化的安全检查系统，并可以快速检查，同时保护驾驶员免受X射线照射的损伤。

公开(公告)号：US12298261B2

公开(公告)日：2025-05-13

申请号：US18013555

申请日：2021-07-02

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Shangmin Sun ,  Chunguang Zong ,  Yu Hu ,  Huaping Tang ,  Bicheng Liu ,  Weizhen Wang

IPC: G01N23/203

Abstract: The present invention relates to a backscatter imaging device, a control method and an inspection system. The backscatter imaging device includes a ray source assembly configured to emit rays to a scanning area; a backscatter detector array including a plurality of backscattering detectors and configured to receive scattered photons when the rays are backscattered by an object within the scanning area; and a first collimator assembly including a plurality of first collimating channels corresponding to the plurality of backscatter detectors respectively, arranged on one side of the backscatter detector array adjacent to the scanning area, and configured to align the scattered photons when the rays are backscattered by the object, and the plurality of backscatter detectors receive scattered photons corresponding to a plurality of depths in the object respectively; and at least part of the plurality of first collimation channels have an adjustable collimation angle.

公开(公告)号：US11822043B2

公开(公告)日：2023-11-21

申请号：US17420681

申请日：2020-01-03

Applicant: NUCTECH (BEIJING) COMPANY LIMITED ,  NUCTECH COMPANY LIMITED ,  TSINGHUA UNIVERSITY

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Li Zhang ,  Jianmin Li ,  Shangmin Sun ,  Chunguang Zong ,  Yu Hu ,  Quanwei Song ,  Hejun Zhou ,  Weifeng Yu ,  Jinguo Cao ,  Bing Fu

IPC: G01N23/04 ,  G01N23/083 ,  G01N23/087 ,  G01N23/10 ,  G01V5/00 ,  G01N23/18

CPC classification number: G01V5/0066 ,  G01N23/04 ,  G01N23/083 ,  G01N23/087 ,  G01N23/10 ,  G01N23/18 ,  G01V5/0008 ,  G01V5/0016 ,  G01V5/0041 ,  G01N2223/04 ,  G01N2223/3303 ,  G01N2223/40 ,  G01N2223/639

Abstract: The present disclosure provides a radiation inspection apparatus and a radiation inspection method. The radiation inspection apparatus includes: a radiation inspection device comprising a ray source and a detector that cooperates with the ray source to perform scanning inspection on an object to be inspected, the radiation inspection device having an inspection channel for the object to be inspected to pass through when scanning inspection is performed thereon; and traveling wheels provided at the bottom of the radiation inspection device to enable the radiation inspection apparatus to travel in an extension direction of the inspection channel, and the traveling wheels are configured to rotate 90° to enable the radiation inspection apparatus to travel in a direction perpendicular to the extension direction of the inspection channel.

公开(公告)号：US11822040B2

公开(公告)日：2023-11-21

申请号：US17255394

申请日：2020-01-06

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH (BEIJING) COMPANY LIMITED ,  NUCTECH COMPANY LIMITED

Inventor： Yanwei Xu ,  Weifeng Yu ,  Yu Hu ,  Chunguang Zong ,  Shangmin Sun

IPC: G01S17/894 ,  G01V5/00

CPC classification number: G01V5/0016 ,  G01S17/894 ,  G06V2201/08

Abstract: The present disclosure relates to a security scanning inspection system and method. The security scanning inspection system comprises a detector, a scanning device and a controller, wherein the detector is configured to detect a protective attribute of an object to be inspected; the scanning device is movably arranged and the scanning device is configured to emit a scanning ray during movement to perform a security scanning inspection on the object to be inspected, the scanning device comprising at least two working modes, wherein a dose of a scanning ray in each working mode is different from a dose of a scanning ray in any other working modes; and the controller configured to select a working mode of the scanning device according to the protective attribute of the object to be inspected detected by the detector.

公开(公告)号：US11422070B2

公开(公告)日：2022-08-23

申请号：US16989123

申请日：2020-08-10

Applicant: NUCTECH COMPANY LIMITED ,  Tsinghua University

Inventor： Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Jianmin Li ,  Shangmin Sun ,  Yaohong Liu ,  Weiping Zhu ,  Qiufeng Ma ,  Ge Li ,  Biao Cao ,  Zheng Liang ,  Ying Li ,  Yu Hu

IPC: G01N1/24 ,  G01N27/622

Abstract: A sampling probe, an automatic sampling device, and a container detection system are provided. The sampling probe includes: a mounting base; a housing mounted on the mounting base, a first accommodation chamber having an opening being defined in the housing, and an exhaust hole in communication with the first accommodation chamber and outside of the housing being formed in the housing; a coupling portion formed on an outer edge of the opening of the first accommodation chamber and formed to be hermetically coupled with an air outlet of a container; and a suction device mounted on the housing and configured to suck gas in the container into the first accommodation chamber through the air outlet. The sampling probe may collect the odor of toxic and harmful gases/hazardous chemicals inside the container at the air outlet of the container, without destroying the overall structure of the container.

公开(公告)号：US20180059282A1

公开(公告)日：2018-03-01

申请号：US15691747

申请日：2017-08-31

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Shangmin Sun ,  Yu Hu ,  Yuan Ma ,  Qiangqiang Wang ,  Long Du ,  Wei Li

IPC: G01V5/00

CPC classification number: G01V5/0066 ,  B66C13/16 ,  B66C19/002 ,  G01V5/0008

Abstract: The present application relates to a container inspection system, comprising a radiation source (31), a radiation detection apparatus and a quay crane for hoisting a container onto an automated guided vehicle, said radiation source (31) and said radiation detection apparatus being provided on said quay crane, for performing a scanning inspection on said container loaded on said vehicle. The present application, which does not need a special allocation of approach of the radiation source and the radiation detection apparatus, conveniently effectuates scanning inspection of a container, and improving the inspection efficiency.

公开(公告)号：US20180059036A1

公开(公告)日：2018-03-01

申请号：US15691748

申请日：2017-08-31

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Shangmin Sun ,  Yu Hu ,  Yuan Ma ,  Qiangqiang Wang ,  Long Du ,  Wei Li

IPC: G01N23/04 ,  G05D1/00

CPC classification number: G01N23/04 ,  G01V5/0066 ,  G05D1/0094 ,  G05D2201/0207

Abstract: This invention relates to a movable divided inspection system and method, wherein the scanning inspection system comprises a first radiation source, a first detection means, a first automated guided vehicle and a second automated guided vehicle. The first radiation source is mounted on the first automated guided vehicle. The first detection means is mounted on the second automated guided vehicle. The first automated guided vehicle and the second automated guided vehicle are able to drive the first radiation source and the first detection means to a preset scan inspection position, so as to form a scanning passage for passage of an article to be scanned between the first and second automated guided vehicle, such that scanning inspection of said article to be scanned is realized by relative movement of said article to be scanned with reference to said first automated guided vehicle and said second automated guided vehicle.

公开(公告)号：US11952027B2

公开(公告)日：2024-04-09

申请号：US17287116

申请日：2019-10-08

Applicant: NUCTECH COMPANY LIMITED

Inventor： Yanwei Xu ,  Weifeng Yu ,  Yu Hu ,  Shangmin Sun

IPC: B61L27/60

CPC classification number: B61L27/60

Abstract: The present disclosure relates to a train identification system and method, and a train safety inspection system and method. The train identification system includes: a remote detection component, configured to acquire overall feature information of an inspected train through remote monitoring; and an identification device, configured to determine at least one of a type and a traveling situation of the inspected train according to the acquired overall feature information.

公开(公告)号：US11885869B2

公开(公告)日：2024-01-30

申请号：US17256851

申请日：2019-06-06

Applicant: NUCTECH COMPANY LIMITED

Inventor： Shangmin Sun ,  Yu Hu ,  Sheng Yao ,  Tao Wang ,  Xibin Yin

IPC: G01S13/38 ,  G01S7/40 ,  G01S13/34 ,  G05B1/00

CPC classification number: G01S13/38 ,  G01S7/4004 ,  G01S13/347 ,  G05B1/00

Abstract: The present disclosure provides a smart automatic frequency control (AFC) apparatus, including: a phase shift module, connected to a first signal input terminal and configured to: receive an incident wave from the first signal input terminal, perform a phase shift on the incident wave according to a phase shift parameter so as to generate a phase-shifted signal, and output the phase-shifted signal to a phase detection module; and the phase detection module, connected to the phase shift module and a second signal input terminal and configured to: receive a reflected wave from the second signal input terminal, perform a phase detection on the phase-shifted signal and the reflected wave so as to generate a phase difference signal, and output the phase difference signal via a control interface.