公开(公告)号：EP3796050A1

公开(公告)日：2021-03-24

申请号：EP20736161.9

申请日：2020-01-06

Applicant: Tsinghua University ,  Nuctech (Beijing) Company Limited ,  Nuctech Company Limited

Inventor： XU, Yanwei ,  YU, Weifeng ,  HU, Yu ,  ZONG, Chunguang ,  SUN, Shangmin

IPC: G01V5/00

Abstract: The present disclosure relates to a security scanning inspection system and method. The security scanning inspection system comprises a detector, a scanning device (1) and a controller, wherein the detector is configured to detect a protective attribute of an object to be inspected (2; 2'); the scanning device (1) is movably arranged and the scanning device (1) is configured to emit a scanning ray during movement to perform a security scanning inspection on the object to be inspected (2; 2'), the scanning device (1) 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 (1) according to the protective attribute of the object to be inspected (2; 2') detected by the detector.

公开(公告)号：EP3690390A1

公开(公告)日：2020-08-05

申请号：EP20155081.1

申请日：2020-02-03

Applicant: Nuctech Company Limited ,  Nuctech (Beijing) Company Limited ,  Tsinghua University

Inventor： QIAO, Guina ,  WANG, Yongming ,  RAN, Zhansen ,  XU, Yanwei ,  YU, Weifeng ,  YANG, Xuejing ,  HU, Yu ,  ZONG, Chunguang ,  SUN, Shangmin

IPC: G01B11/00 ,  G01N1/22 ,  G01N33/00 ,  G01N29/02 ,  G01N29/22 ,  G01N29/265 ,  G05D1/02

Abstract: The present disclosure relates to an electronic nose positioning device and positioning method. The electronic nose positioning device comprises: a carrier (10); an electronic nose (20) disposed on the carrier (10); an adjusting mechanism (30) configured to adjust the electronic nose (20) to an odor sampling part (61) of an object (60) to be detected; and a laser sensing unit (40) disposed on the carrier (10), the electronic nose (20), or the adjusting mechanism (30), and configured to scan the object (60) to be detected, so as to determine a position of an odor sampling part (61) of the object (60) to be detected. The embodiments of the present disclosure can simplify the inspection process of the electronic nose.

公开(公告)号：EP3505978A1

公开(公告)日：2019-07-03

申请号：EP19150075.0

申请日：2019-01-02

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： NI, Xiulin ,  LI, Jianmin ,  TAN, Haitian ,  LI, Yulan ,  YU, Weifeng ,  LI, Yuanjing ,  ZHOU, Hejun ,  CHEN, Zhiqiang ,  ZONG, Chunguang ,  ZHANG, Li

IPC: G01V5/00

Abstract: The present disclosure relates to the technical field of CT detection, in particular to a CT inspection system and a CT imaging method. The CT inspection system provided by the present disclosure includes a scanning device and an imaging device, wherein the scanning device having a radioactive source device and a detection device is configured to rotate at a non-uniform speed in at least partial process of scanning an object to be detected; and the imaging device generates a CT image based on effective detection data, wherein the effective detection data refer to data acquired each time the detection device rotates by a preset angle. In the present disclosure, the imaging device of the CT inspection system generates a CT image based on data acquired each time the detection device rotates by a preset angle, which, compared with traditional image collection solutions, can effectively reduce image deformation and improve accuracy of detection results.

公开(公告)号：EP3505863A1

公开(公告)日：2019-07-03

申请号：EP18211129.4

申请日：2018-12-07

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： LI, Ke ,  LI, Jianmin ,  YU, Weifeng ,  LI, Yulan ,  YANG, Xuejing ,  LI, Yuanjing ,  ZONG, Chunguang ,  CHEN, Zhiqiang ,  ZHANG, Li

IPC: G01B11/00

Abstract: The present disclosure provides a scanned image correction apparatus (100), method (300) and a mobile scanning device (400). The apparatus (100) includes an image acquisition module (110) disposed on a detector arm (430) of a mobile scanning device (400) and configured to acquire a scanned image of an object under inspection and determine an image parameter of the scanned image during a scanning process of scanning the object under inspection by the mobile scanning device (400); an arm swing detection module (120) disposed at a monitor point on the detector arm (430) and configured to detect a displacement offset of the detector arm (430) in a specified direction and build an arm swing model of the detector arm (430) during the scanning process; and an image parameter correction module (130) configured to determine a change relationship between the image parameter of the scanned image and the displacement offset of the detector arm (430) based on the arm swing model and the image parameter of the scanned image and correct the scanned image based on the change relationship. With the scanned image correction apparatus (100), the imaging quality of the scanned image may be improved and a better correction to the scanned image may be obtained.

公开(公告)号：EP2871465B1

公开(公告)日：2019-02-06

申请号：EP13812825.1

申请日：2013-07-02

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： LI, Jianmin ,  LIU, Yinong ,  LI, Yulan ,  ZONG, Chunguang ,  GONG, Hui ,  HUANG, Qingping ,  YU, Weifeng

IPC: G01N23/04 ,  G01V5/00

公开(公告)号：EP3040742A1

公开(公告)日：2016-07-06

申请号：EP15200666.4

申请日：2015-12-17

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： KANG, Kejun ,  YANG, Xuejing ,  SUN, Shangmin ,  HU, Yu ,  GU, Jingyu ,  YU, Weifeng ,  LI, Ke ,  LIU, Lei ,  YU, Youai

IPC: G01V5/00

Abstract: The present disclosure provides a vehicle-carried quick inspection system (11). The vehicle-carried quick inspection system may comprise an X-ray source (12) and a detector (13), the X-ray source and the detector being arranged to form an inspection passage. The vehicle-carried quick inspection system further comprises a controller (18) 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. With the vehicle-carried quick inspection system of the present disclosure, 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. Compared to fixed inspection systems or mobile inspection systems in prior arts, the vehicle-carried quick inspection system of the present disclosure can provide more convenient and quicker inspection.

Abstract translation: 本公开提供了一种车载快速检查系统（11）。 车载快速检查系统可以包括X射线源（12）和检测器（13），X射线源和检测器被布置成形成检查通道。 车载快速检查系统还包括控制器（18），其被配置为控制X射线源，使得当被检查车辆的驾驶室通过X射线束时，X射线照射剂量非常低，并且控制 X射线源使得当被检查车辆的其他后续部分通过X射线束时，X射线源的照射剂量变为工作剂量。 通过本公开的车载快速检查系统，可以获得移动和全自动安全检查系统，并且可以在保护驾驶员免受X射线照射的损害的同时快速检查。 与现有技术中的固定检查系统或移动检查系统相比，本公开的车载快速检查系统可以提供更方便和更快速的检查。

公开(公告)号：EP3796207A1

公开(公告)日：2021-03-24

申请号：EP20736194.0

申请日：2020-01-03

Applicant: Tsinghua University ,  Nuctech Company Limited ,  Nuctech (Beijing) Company Limited

Inventor： LI, Jianmin ,  ZHANG, Li ,  LI, Yuanjing ,  CHEN, Zhiqiang ,  WANG, Yongming ,  YU, Weifeng ,  XU, Yanwei ,  ZONG, Chunguang ,  HU, Yu ,  SUN, Shangmin

IPC: G06K7/10

Abstract: The present disclosure relates to a container identification system, an identification method, a safety inspection device, and a port facility. Wherein, the container identification system includes: a door frame (5), having a passage for a container (1) to be identified to pass through; an area laser scanner (2), disposed on the door frame (5) to detect a current position of the container (1); and an identification obtaining apparatus, disposed on the door frame (5) to obtain identifications on respective surfaces of the container (1) according to the current position of the container (1).

公开(公告)号：EP3040742B1

公开(公告)日：2020-04-22

申请号：EP15200666.4

申请日：2015-12-17

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： KANG, Kejun ,  YANG, Xuejing ,  SUN, Shangmin ,  HU, Yu ,  GU, Jingyu ,  YU, Weifeng ,  LI, Ke ,  LIU, Lei ,  YU, Youai

IPC: G01V5/00

公开(公告)号：EP3505977A1

公开(公告)日：2019-07-03

申请号：EP19150074.3

申请日：2019-01-02

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： KANG, Kejun ,  LI, Jianmin ,  NI, Xiulin ,  LI, Yulan ,  LI, Yuanjing ,  CHEN, Zhiqiang ,  ZHANG, Li ,  LI, Liang ,  ZOU, Xiang ,  YU, Weifeng ,  ZHOU, Hejun ,  ZONG, Chunguang

IPC: G01V5/00

Abstract: The present disclosure relates to the technical field of CT detection, and in particular to a CT inspection system and a CT imaging method. The CT inspection system provided by the present disclosure comprises a radioactive source device, a detection device, a rotation monitoring device and an imaging device, wherein the detection device obtains detection data at a frequency that is N times a beam emitting frequency of the radioactive source device; the rotation monitoring device detects a rotation angle of the detection device and transmits a signal to the imaging device each time the detection device rotates by a preset angle; the imaging device determines a rotational position of the detection device each time the radioactive source device emits a beam according to the signal transmitted by the rotation monitoring device and the detection data of the detection device, and generates a CT image based on the detection data and the rotational position of the detection device each time the radioactive source device emits a beam. The present disclosure can accurately determine the rotational position of the detection device each time the radioactive source device emits a beam, so that it is possible to effectively reduce the image deformation and improve the accuracy of detection results.

公开(公告)号：EP2871465A1

公开(公告)日：2015-05-13

申请号：EP13812825.1

申请日：2013-07-02

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： LI, Jianmin ,  LIU, Yinong ,  LI, Yulan ,  ZONG, Chunguang ,  GONG, Hui ,  HUANG, Qingping ,  YU, Weifeng

IPC: G01N23/04

CPC classification number: G01N23/10 ,  G01N23/04 ,  G01N2223/301 ,  G01N2223/308 ,  G01V5/0016 ,  G01V5/0066

Abstract: The present invention discloses a vehicular radiation inspection system comprising a mobile vehicle body, a detection arm, a radiation source and a detector. The vehicular radiation inspection system further comprises a following mechanism separated from the detection arm. The following mechanism contains radiation protection material, and the following mechanism follows the detection arm to move in a non-contact manner during inspection of the inspected object, so as to prevent radiation leakage. In the present invention, it does not need to infuse radiation protection material having a high density, such as lead, into the detection arm. Therefore, it can effectively decrease the weight of the detection arm, and it does not need to provide a balance counterweight on the mobile vehicle body on which the detection arm is carried, thereby effectively solving the problem that the vehicular radiation inspection system has an excessively large mass. Meanwhile, in the present invention, the moving process of the following mechanism is accurately controlled, so as to prevent the following mechanism from hitting the detection arm.

Abstract translation: 本发明公开了一种包括移动车体，检测臂，辐射源和检测器的车辆辐射检查系统。 车辆辐射检查系统还包括与检测臂分离的跟随机构。 以下机构包含辐射防护材料，并且在检查被检查物体的检查期间，跟随检测臂的机构以非接触的方式移动，以防止辐射泄漏。 在本发明中，不需要将诸如铅的高密度的辐射防护材料注入到检测臂中。 因此，能够有效地降低检测臂的重量，并且不需要在携带检测臂的移动体上提供平衡配重，从而有效地解决了车辆用辐射检查系统过度的问题 大质量 同时，在本发明中，精确地控制以下机构的移动过程，以防止以下机构撞击检测臂。