公开(公告)号：EP3373307A2

公开(公告)日：2018-09-12

申请号：EP16861327.1

申请日：2016-07-12

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  WU, Wanlong ,  LI, Junli ,  RUAN, Ming ,  DING, Guangwei

IPC: G21K1/02 ,  G21K1/10 ,  G01N23/02 ,  G01V5/00

CPC classification number: G21K1/025

Abstract: The present invention provides a ray beam guiding device for guiding a ray beam in a ray inspection apparatus. The ray beam guiding device is provided in a housing of the ray inspection apparatus, and two ends of the ray beam guiding device are connected to a front collimator and a rear collimator, respectively. The ray beam guiding device comprises a plurality of guiding walls and a guiding cavity surrounded by the guiding walls. The guiding wall is formed of a first material which is capable of absorbing rays or the first material is coated on an inside of the guiding wall, and the guiding cavity has a central axis extending in a direction from the rear collimator to the front collimator, and the ray beam guiding device further comprises at least one fin plate provided in the guiding cavity of the ray beam guiding device. The at least one fin plate is configured for blocking and/or absorbing scattered rays.

公开(公告)号：EP3372991A1

公开(公告)日：2018-09-12

申请号：EP16861236.4

申请日：2016-05-19

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： CHEN, Zhiqiang ,  WU, Wanlong ,  ZHAO, Ziran ,  DING, Guangwei ,  RUAN, Ming ,  LUO, Xilei

IPC: G01N23/02

CPC classification number: G01N23/083 ,  G01N23/02 ,  G01N2223/316

Abstract: Embodiments of the present disclosure provide a collimating device and a ray inspection device. The collimating device comprises: a beam guiding cylinder, a first collimator mounted at an inlet end of the beam guiding cylinder; a second collimator mounted an outlet end of the beam guiding cylinder; a beam guiding cylinder adjusting device disposed adjacent to the inlet of the beam guiding cylinder to adjust a direction of the beam guiding cylinder such that the first collimator is aligned with the first direction. The outlet end of the beam guiding cylinder is fixed to the frame and the second collimator is aligned with an object to be irradiated by a radiation beam, and the beam guiding cylinder is configured to have flexibility to allow the adjusting device to adjust a direction towards which the inlet end of the beam guiding cylinder is directed, in a direction transverse to the first direction. Collimation adjustment can be achieved only by adjusting the first collimator

公开(公告)号：EP2963454B1

公开(公告)日：2019-03-06

申请号：EP15175267.2

申请日：2015-07-03

Applicant: Nuctech Company Limited

Inventor： CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  WU, Wanlong ,  JIN, Yingkang ,  TANG, Le ,  XU, Chengcong ,  RUAN, Ming ,  DING, Guangwei

IPC: G01V5/00

公开(公告)号：EP2520927A1

公开(公告)日：2012-11-07

申请号：EP10840392.4

申请日：2010-06-28

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： KANG, Kejun ,  CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  LIU, Yinong ,  WU, Wanlong ,  LIN, Dong ,  TANG, Le ,  TU, Chao ,  SHEN, Zongjun ,  DING, Guangwei ,  JIN, Yingkang ,  LUO, Xilei ,  CAO, Shuo

IPC: G01N23/203

CPC classification number: G01N23/203 ,  G21K1/043

Abstract: Disclosed is a scanning device using radiation beam for backscatter imaging. The scanning device includes a radiation source; a stationary shield plate and a rotary shield body positioned respectively between the radiation source and the subject to be scanned, wherein the stationary shield plate is fixed relative to the radiation source, and the rotary shield body is rotatable relative to the stationary shield plate. The ray passing area permitting the rays from the radiation source to pass through the stationary shield plate is provided on the stationary shield plate, and ray incidence area and ray exit area are respectively provided on the rotary shield body. During the process of the rotating and scanning of the rotary shield body, the ray passing area of the stationary shield plate intersects consecutively with the ray incidence area and the ray exit area of the rotary shield body to form scanning collimation holes. Further, a scanning method using radiation beam for backscatter imaging is also provided.

Abstract translation: 公开了使用辐射束进行反向散射成像的扫描装置。 扫描装置包括辐射源; 分别位于辐射源和被扫描对象之间的固定屏蔽板和旋转屏蔽体，其中固定屏蔽板相对于辐射源固定，并且旋转屏蔽体可相对于固定屏蔽板旋转。 允许来自辐射源的光线通过固定屏蔽板的射线通过区域设置在固定屏蔽板上，并且射线入射区域和射线出射区域分别设置在旋转屏蔽体上。 在旋转屏蔽体的旋转和扫描过程中，固定屏蔽板的射线通过面积与旋转屏蔽体的射线入射面积和射线出射面积连续相交，形成扫描准直孔。 此外，还提供了使用用于反向散射成像的辐射束的扫描方法。

公开(公告)号：EP2573551B1

公开(公告)日：2019-11-13

申请号：EP11778783.8

申请日：2011-04-28

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  LIU, Yinong ,  WU, Wanlong ,  ZHANG, Li ,  TU, Chao ,  TANG, Le ,  JIN, Yingkang ,  CAO, Shuo ,  DING, Guangwei

IPC: G01N23/203 ,  G21K1/04 ,  G01V5/00

公开(公告)号：EP2963454A1

公开(公告)日：2016-01-06

申请号：EP15175267.2

申请日：2015-07-03

Applicant: Nuctech Company Limited

Inventor： CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  WU, Wanlong ,  JIN, Yingkang ,  TANG, Le ,  XU, Chengcong ,  RUAN, Ming ,  DING, Guangwei

IPC: G01V5/00

CPC classification number: G01V5/0025 ,  G01N23/203 ,  G01V5/0066

Abstract: The present disclosure provides an X-ray backscattering safety inspection system, comprising: one or more backscattering inspection subsystem configured to inspect an object to be inspected by emitting X-ray beams towards the object to be inspected and inspecting scattering signals; and a control subsystem configured to adjust a distance between the backscattering inspection subsystem and locations on a side of the object to be inspected where are irradiated by the X-ray beams in real time according to a size of the object to be inspected such that the scattering signals inspected are optimized. The system may be adapted to objects to be inspected with different sizes or shapes while enhancing backscattering signals for imaging.

Abstract translation: 本发明提供X射线背散射安全检查系统，包括：一个或配置成在对象检查由朝向待检查的物体发射X射线束和检测散射信号被检查更反向散射检查子系统; 和要被检查被配置为调整所述对象的一侧的反向散射检查子系统和位置之间的距离的控制子系统，其中通过实时雅丁的X射线束的尺寸的物体的照射到被检查寻求DASS模 检查散射信号进行了优化。 该系统可被angepasst到对象以不同的大小或同时增强成像后向散射信号的形状进行检查。

公开(公告)号：EP2963453B1

公开(公告)日：2018-10-24

申请号：EP15175237.5

申请日：2015-07-03

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： CHEN, Zhiqiang ,  ZHAO, Ziran ,  WU, Wanlong ,  JIN, Yingkang ,  TANG, Le ,  RUAN, Ming ,  TANG, Xiao ,  DING, Guangwei

IPC: G01V5/00

CPC classification number: G01V5/0025 ,  G01N23/203

Abstract: The present disclosure provides a mobile back scattering imaging security inspection apparatus, comprising: a back scattering scanner (2), a detector (3), a controller (4), and a movable stage (1) configured to carry the back scattering scanner, the detector and the controller and being movable with respect to the object to be inspected; wherein the back scattering scanner is a distributed X-ray source comprising a plurality of target points (201), each of which is able to emit the ray beam individually, and wherein the back scattering scanner, the detector and the controller perform an imaging security inspection operation on the object to be inspected during moving along with the movable stage with respect to the object.

公开(公告)号：EP2963453A1

公开(公告)日：2016-01-06

申请号：EP15175237.5

申请日：2015-07-03

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： CHEN, Zhiqiang ,  ZHAO, Ziran ,  WU, Wanlong ,  JIN, Yingkang ,  TANG, Le ,  RUAN, Ming ,  TANG, Xiao ,  DING, Guangwei

IPC: G01V5/00

CPC classification number: G01V5/0025 ,  G01N23/203

Abstract: The present disclosure provides a mobile back scattering imaging security inspection apparatus, comprising: a back scattering scanner (2), a detector (3), a controller (4), and a movable stage (1) configured to carry the back scattering scanner, the detector and the controller and being movable with respect to the object to be inspected; wherein the back scattering scanner is a distributed X-ray source comprising a plurality of target points (201), each of which is able to emit the ray beam individually, and wherein the back scattering scanner, the detector and the controller perform an imaging security inspection operation on the object to be inspected during moving along with the movable stage with respect to the object.

Abstract translation: 本发明提供了一种移动后向散射成像安全检查装置，包括：背散射扫描器（2），检测器（3），控制器（4）和可移动台（1），其配置成携带背散射扫描器， 检测器和控制器，并且可相对于被检查物体移动; 其中所述背散射扫描器是包括多个目标点（201）的分布式X射线源，每个所述目标点（201）能够单独地发射所述射线束，并且其中所述后向散射扫描器，所述检测器和所述控制器执行成像安全性 在与可动台相对于物体一起移动时，要检查对象的检查操作。

公开(公告)号：EP2573551A1

公开(公告)日：2013-03-27

申请号：EP11778783.8

申请日：2011-04-28

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  LIU, Yinong ,  WU, Wanlong ,  ZHANG, Li ,  TU, Chao ,  TANG, Le ,  JIN, Yingkang ,  CAO, Shuo ,  DING, Guangwei

IPC: G01N23/04

Abstract: The present invention discloses a scanning device of back-scatter imaging with a radiation beam, comprising: a radiation source; a fixed shield plate and a rotatable shield body disposed between the radiation source and a object to be scanned respectively, wherein the fixed shield plate is stationary with respect to the radiation source and the rotatable shield body is rotatable with respect to the fixed shield plate. The fixed shield plate is provided with a ray passing-through region thereon, which allows for a radiation beam from the radiation source to pass through the fixed shield plate, a ray incidence region and a ray emergence region are arranged on the rotatable shield body respectively, during the rotatable scanning of the rotatable shield body, the ray passing-through region of the fixed shield plate continuously intersects with the ray incidence region and the ray emergence region of the rotatable shield body to generate collimated holes for scanning. The ray passing-through region of the fixed shield plate is a rectilinear slit, the rotatable shield body is a cylinder, and the ray incidence and emergence regions are configured to be a series of small discrete holes disposed along a spiral line respectively. In addition, the present invention discloses a scanning method for back-scatter imaging with a radiation beam.

公开(公告)号：EP3185046B1

公开(公告)日：2020-12-02

申请号：EP16192332.1

申请日：2016-10-05

Applicant: Nuctech Company Limited

Inventor： CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  WU, Wanlong ,  JIN, Yingkang ,  TANG, Le ,  TANG, Xiao ,  DING, Guangwei

IPC: G01T7/00 ,  G01V5/00