公开(公告)号：EP4206750A1

公开(公告)日：2023-07-05

申请号：EP22217029.2

申请日：2022-12-28

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

Inventor： FAN, Xuping ,  SHI, Junping ,  SONG, Quanwei ,  MENG, Hui ,  HE, Yuan ,  YANG, Yang

IPC: G01V5/00

Abstract: A mobile inspection apparatus and a mobile inspection method are provided. The mobile inspection apparatus including: a moving body (100) arranged movably; a support assembly, mounted on the moving body (100), and configured to retract relative to the moving body (100) in a transport state of the mobile inspection apparatus and to extend relative to the moving body (100) in an inspection state of the mobile inspection apparatus; a ray source (5) and a detector (13) mounted on the support assembly; and a first drive device (4) configured to drive the support assembly to rotate relative to the moving body (100) so as to switch the ray source (5) and the detector (13) between a retracted position and an operating position, such that in the transport state, the ray source (5) and the detector (13) are located in the retracted position, and in the inspection state, the ray source (5) and the detector (13) are located in the operating position.

公开(公告)号：EP4206751A1

公开(公告)日：2023-07-05

申请号：EP22217075.5

申请日：2022-12-29

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

Inventor： SUN, Shangmin ,  ZONG, Chunguang ,  YANG, Xuejing ,  FAN, Xuping ,  SONG, Quanwei ,  SHI, Junping ,  MENG, Hui ,  Yang, Yang ,  YU, Weifeng ,  LI, Ying ,  WANG, Dongyu ,  LIU, Lei ,  LIU, Bicheng ,  CHI, Haojie

IPC: G01V5/00

Abstract: The present disclosure discloses a mobile radiation inspection apparatus and a mobile radiation inspection system, relates to the field of security inspection, and is used for expanding functions of the mobile radiation inspection apparatus. The mobile radiation inspection apparatus includes a vehicle body, a traveling mechanism, a boom assembly, a first imaging device, and a second imaging device. The boom assembly is mounted on the vehicle body and is configured to switch between an inspection state and a transportation state. The first imaging device includes a first ray source and a first ray detector both mounted on the boom assembly. The first ray source is positioned at the top of an inspection channel. The second imaging device includes a second ray source and a second ray detector. The second ray detector cooperates with the second ray source to detect rays emitted by the second ray source, and the second ray source is positioned on a side surface of the detection channel. The mobile radiation inspection apparatus provided by the technical solutions implements multi-angle and multi-mode scanning.

公开(公告)号：EP4206749A1

公开(公告)日：2023-07-05

申请号：EP22216819.7

申请日：2022-12-27

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

Inventor： FAN, Xuping ,  SONG, Quanwei ,  SHI, Junping ,  HE, Yuan ,  MENG, Hui

IPC: G01V5/00 ,  G01N23/046

Abstract: The present disclosure relates to a radiation inspection system, including: a radiation source (10), having an accelerator target point (11); and a detector arm, comprising an arm body (20) and a plurality of detecting modules (30), wherein the plurality of detecting modules (30) are arranged on the arm body (20) along a length direction of the arm body (20), each detecting module (30) comprises a circuit board (31) and a plurality of detector crystals (32) mounted on the circuit board (31), mounting directions of the plurality of detector crystals (32) in each detecting module (30) are parallel to each other, are arranged along a reference straight line (R) in the circuit board (31) and have a preset included angle relative to the reference straight line (R), and the plurality of detecting modules (30) correspond to at least two different preset included angles.

公开(公告)号：EP4160275A1

公开(公告)日：2023-04-05

申请号：EP21813030.0

申请日：2021-05-31

Applicant: Nuctech Company Limited

Inventor： FAN, Xuping ,  SONG, Quanwei ,  SHI, Junping

IPC: G01V5/00

Abstract: An accelerator and a vehicle-mounted radiation imaging device are provided, wherein the accelerator includes an accelerator body (1) and a position adjusting apparatus; the position adjusting apparatus includes a rotating apparatus (21) and a lifting apparatus (22) disposed on the rotating apparatus, the rotating apparatus (21) is rotatably disposed on a support platform (100), the rotating apparatus (21) includes a rotary platform (212), the lifting apparatus (22) is connected with the rotary platform (212) and is rotatable with the rotary platform (212), the accelerator body (1) is connected with the lifting apparatus (22), the rotary platform (212) is rotatable between a first position and a second position, and when the rotary platform (212) is at the second position, a projection of the accelerator body (1) on a plane where a surface of the support platform (100) is located is outside a first edge (101) of the support platform (100), and a projection of the rotary platform (212) on the plane where the surface of the support platform (100) is located is within the first edge (101) of the support platform (100).

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：EP3489724B1

公开(公告)日：2020-10-21

申请号：EP18207582.0

申请日：2018-11-21

Applicant: Nuctech Company Limited

Inventor： HE, Yuan ,  LI, Jianmin ,  GUO, Yiwei ,  LI, Yulan ,  SONG, Quanwei ,  MENG, Hui ,  CHEN, Zhiqiang ,  SHI, Junping ,  LI, Yuanjing ,  ZHANG, Li

IPC: G01V5/00

公开(公告)号：EP3715838A1

公开(公告)日：2020-09-30

申请号：EP18880242.5

申请日：2018-08-09

Applicant: Nuctech Company Limited

Inventor： FAN, Xuping ,  SONG, Quanwei

IPC: G01N23/00 ,  G01V5/00

Abstract: A vehicle-mounted radiation inspection system is provided, including: a vehicle including a vehicle body, wherein the vehicle body has a first side and a second side, which are opposite to each other; a scanning device including a connection end, wherein the scanning device is connected to the vehicle body through the connection end and has a folded state and an unfolded state, the scanning device is configured to be stored on the vehicle body in the folded state and extend out from the first side in the unfolded state; and an accelerator cabin connected to the vehicle body, wherein the accelerator cabin at least has a retraction position and a counterweight position, the accelerator cabin is configured to be stored on the vehicle body at the retraction position, and at least a part of the accelerator cabin is configured to be located on the second side at the counterweight position to maintain the balance of the vehicle-mounted radiation inspection system. According to the vehicle-mounted radiation inspection system of the present disclosure, when the scanning device is in the unfolded state, the accelerator cabin balances the weight of the scanning device by own weight, thereby ensuring the balance of the vehicle-mounted radiation inspection system.

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：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