公开(公告)号：EP3505975A1

公开(公告)日：2019-07-03

申请号：EP18215790.9

申请日：2018-12-21

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： YANG, Yigang ,  WANG, Dongyu ,  YU, Hao ,  SONG, Quanwei ,  LI, Jianmin ,  WANG, Weizhen ,  LI, Yulan ,  ZONG, Chunguang ,  ZHANG, Qinjian ,  ZENG, Ming ,  CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHANG, Li

IPC: G01V5/00 ,  G21K1/04

Abstract: The present disclosure discloses a radiation inspection system and a radiation inspection method. The radiation inspection system comprises a radiation source and a beam modulating device. The beam modulating device comprises a first collimating structure (114) disposed at a beam exit side of the radiation source and a second collimating structure (130) disposed at a beam exit side of the first collimating structure. The second collimating structure is movable relative to the first collimating structure to change a relative position of the first collimating port of the first collimating structure with the second collimating port of the second collimating structure, such that the beam modulating device is shifted between a first operational state in which the beam modulating device modulates an initial beam into a fan beam, and a second operational state in which the beam modulating device modulates the initial beam into a pencil beam variable in position. The radiation inspection system and the radiation inspection method of the present disclosure may incorporate the inspection efficiency and the inspection accuracy.

公开(公告)号：EP3505973A1

公开(公告)日：2019-07-03

申请号：EP18214767.8

申请日：2018-12-20

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： YU, Hao ,  LI, Ying ,  WANG, Weizhen ,  SONG, Quanwei ,  CHI, Haojie ,  LI, Jianmin ,  LI, Yulan ,  ZONG, Chunguang ,  CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHANG, Li ,  WANG, Dongyu

IPC: G01V5/00

Abstract: The present disclosure discloses a vehicle-mounted type back scattering inspection system. The vehicle-mounted type back scattering inspection system includes a carriage (1) and a back scattering imaging device (2), the scanning range of the back scattering imaging device is variable. As the scanning range of the back scattering imaging device of the present disclosure is variably set, the inspection range of the back scattering imaging device can be expanded.

公开(公告)号：EP3236294A2

公开(公告)日：2017-10-25

申请号：EP17163487.6

申请日：2017-03-29

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： LI, Jianmin ,  LI, Yulan ,  ZHANG, Li ,  LI, Liang ,  ZONG, Chunguang ,  YU, Hao ,  KANG, Kejun ,  LI, Yuangjing ,  CHEN, Zhiyiang ,  MIATO, Qitian ,  CHENG, Jianping

IPC: G01V5/00

CPC classification number: G01V5/005

Abstract: The present invention discloses a container CT inspection system (100), including a scanning device (110), wherein the scanning device (110) includes a radioactive source device (111) and a detector array (112), the scanning device (110) further includes a first rail (113) and a second rail (114), which are respectively arranged on inner layer and outer layer, the radioactive source device (111) is arranged on the first rail (113), and the detector array (112) is arranged on the second rail (114). According to the present invention, the radioactive source device (111) and the detector array (112) are respectively supported by different rails (113, 114), which improves the situation that a ring-shaped rotating frame in the prior art needs to bear a very large load, and for each rail in the first rail (113) and the second rail (114), the strength requirements are greatly reduced relative to the ring-shaped rotating frame, therefore the processing difficulty is effectively reduced compared with the container CT inspection system in the prior art.

公开(公告)号：EP4187287A2

公开(公告)日：2023-05-31

申请号：EP22209595.2

申请日：2022-11-25

Applicant: Nuctech Company Limited

Inventor： TAN, Linxia ,  YU, Hao ,  ZOU, Xiang ,  ZHU, Weibin ,  WANG, Junxiao

IPC: G01V5/00

Abstract: This disclosure provides an area array detector, a detection method, and a corresponding container/vehicle inspection system, and relates to the field of ray scanning. The area array detector for the container/vehicle inspection system comprises: a plurality of sparsely arranged detector assemblies, wherein a first detector assembly is different from other second detector assemblies; and a backplane for carrying and mounting the plurality of detector assemblies, thereby the area array detector supporting a plurality of scanning modes is enabled.

公开(公告)号：EP4012462A1

公开(公告)日：2022-06-15

申请号：EP21213476.1

申请日：2021-12-09

Applicant: Nuctech Company Limited

Inventor： MING, Shenjin ,  CUI, Tongyuan ,  YANG, Yigang ,  SUN, Shangmin ,  ZONG, Chunguang ,  WANG, Dongyu ,  YU, Hao ,  LIU, Bicheng ,  SONG, Quanwei ,  FAN, Xuping ,  WANG, Weizhen ,  HU, Yu

IPC: G01V5/00

Abstract: The present disclosure provides an object detecting device, including a neutron source, a detector, a rotating component and a processor. The neutron source is configured to release a neutron to a detected object so that a neutron induced nuclear reaction occurs between the neutron and the detected object and a gamma ray is generated; the detector is configured to receive the gamma ray and analyze the gamma ray so as to obtain a detection signal quantity corresponding to the gamma ray; the rotating component is configured to carry the detected object and rotate the detected object relative to the neutron source and the detector; the processor is configured to: control the rotating component to rotate the detected object from an initial angle to at least M predetermined angles in sequence; acquire at least M detection signal quantities respectively corresponding to the M predetermined angles, where M is an integer greater than or equal to 2; and determine an angle orientation of a suspected target substance in the detected object based on the M detection signal quantities and a preset reference signal quantity. The present disclosure further provides an object detecting method and a computer-readable storage medium.

公开(公告)号：EP3474292B1

公开(公告)日：2020-09-16

申请号：EP18201432.4

申请日：2018-10-19

Applicant: Tsinghua University ,  Nuctech Company Limited

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

IPC: G21G4/02 ,  G01N23/222

公开(公告)号：EP3474292A1

公开(公告)日：2019-04-24

申请号：EP18201432.4

申请日：2018-10-19

Applicant: Tsinghua University ,  Nuctech Company Limited

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

IPC: G21G4/02 ,  G01N23/222

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

公开(公告)号：EP3282537A1

公开(公告)日：2018-02-14

申请号：EP17172655.7

申请日：2017-05-24

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： LI, Jianmin ,  YU, Hao ,  CHEN, Zhiqiang ,  LI, Yuanjing ,  LI, Yulan ,  ZHANG, Li ,  GU, Jingyu ,  WANG, Dongyu

IPC: H02J3/14

CPC classification number: B60R16/033 ,  H01M10/052 ,  H01M10/4207 ,  H02J3/14 ,  H02J7/0021 ,  Y02B70/3225 ,  Y04S20/222

Abstract: The present disclosure discloses an in-vehicle detection system and power supply system and power supply controller, which relates to the power supply control field. The power supply system comprises a low-power generator; a battery pack for supplying power to the in-vehicle detection system; a charger electrically connected to the low-power generator and the battery pack, respectively; and a power supply controller electrically connected to the battery pack and the low-power generator, respectively. The present disclosure uses a low-power generator and a battery pack to substitute a high-power generator, which can reduce the requirement on a peak power of the generator by the in-vehicle detection system, and improve the efficiency of the power supply. In addition, since a low-power generator and a lithium battery pack are used to substitute the high-power generator, it is favorable to the lightweight design of the in-vehicle detection system, and meanwhile reduces noises and vibration, and is favorable to improving the user experience and performance metrics.

Abstract translation: 本发明公开了一种车载检测系统，供电系统和供电控制器，涉及供电控制领域。 电源系统包括一个低功率发生器; 用于向车载检测系统供电的电池组; 分别电连接到低功率发生器和电池组的充电器; 以及分别电连接到电池组和低功率发生器的电源控制器。 本发明采用低功率发电机和电池组代替大功率发电机，可以减少车载检测系统对发电机峰值功率的要求，提高电源效率。 另外，由于使用低功率发电机和锂电池组代替高功率发电机，有利于车载检测系统的轻量化设计，同时减少噪音和振动，并且有利于 改善用户体验和性能指标。

公开(公告)号：EP4459334A1

公开(公告)日：2024-11-06

申请号：EP22914868.9

申请日：2022-12-28

Applicant: Nuctech Company Limited

Inventor： ZONG, Chunguang ,  YU, Hao ,  SONG, Quanwei ,  LIU, Bicheng ,  YIN, Wei ,  WANG, Weizhen ,  SUN, Shangmin ,  HU, Yu

IPC: G01V5/00 ,  G01N23/046 ,  A61B6/03

Abstract: The present disclosure relates to a scanning inspection device, comprises a first rotating frame (1), a first drive device, a ray source (2), a detector (3), a cooling device for cooling the ray source (2), and a second drive device, wherein the center of the first rotating frame (1) is provided with a conveying channel for passage of an object to be inspected (6); the first drive device in drive connection with the first rotating frame (1) to drive the first rotating frame (1) to rotate, wherein the ray source (2), the detector (3), and the cooling device for cooling the ray source (2) are each mounted on the first rotating frame (1) and rotate with the first rotating frame (1); and a second drive device configured to drive the cooling device to rotate toward a direction opposite to a rotation direction of the first rotating frame (1), so that the cooling device is maintained in a fixed attitude during rotation with the first rotating frame

公开(公告)号：EP3796049A1

公开(公告)日：2021-03-24

申请号：EP20187211.6

申请日：2020-07-22

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： ZENG, Zhi ,  PAN, Xingyu ,  WANG, Xuewu ,  LI, Jungli ,  ZENG, Ming ,  LI, Jianmin ,  ZHAO, Ziran ,  CHENG, Jianping ,  MA, Hao ,  ZHANG, Hui ,  YU, Hao ,  LIU, Bicheng

IPC: G01V5/00 ,  G01N23/20

Abstract: The present disclosure provides a substance identification device and a substance identification method. The substance identification device comprises: a classifier establishing unit (10) configured to establish a classifier based on scattering density values reconstructed for a plurality of known sample materials, wherein the classifier comprises a plurality of feature regions corresponding to a plurality of characteristic parameters for the plurality of known sample materials, respectively; and an identification unit (20) for a material to be tested, configured to match the characteristic parameter of the material to be tested with the classifier, and to identify a type of the material to be tested by obtaining a feature region corresponding to the characteristic parameter of the material to be tested.