公开(公告)号：US20140056412A1

公开(公告)日：2014-02-27

申请号：US13972478

申请日：2013-08-21

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Wanlong Wu ,  Xilei Luo ,  Guangwei Ding ,  Yingkang Jin ,  Le Tang ,  Fuhua Ding ,  Bin Sang ,  Shuo Cao ,  Zhimin Zheng

IPC: H01J35/14

CPC classification number: H01J35/14 ,  G21K1/043 ,  H01J35/025 ,  H05G1/025

Abstract: Disclosed is an integrated flying-spot X-ray apparatus comprising a ray generator configured to generate the X-ray, a revolving collimator device provided thereon with at least one aperture and arranged to be rotatable about the ray generator, a frameless torque motor configured to drive the revolving collimator device to rotate about the ray generator, and a cooling device configured to cool the ray generator, wherein the ray generator, the revolving collimator device, the frameless torque motor and the cooling device are mounted on an integrated mounting frame. Compared with the prior art, the integrated flying-spot X-ray apparatus according to the present disclosure has a simple and compact structure and is used as a kernel apparatus for fields of safety inspection and medical treatment.

Abstract translation: 公开了一种集成的飞点X射线装置，其包括被配置为产生X射线的射线发生器，设置有至少一个孔的旋转准直器装置，并且被布置成围绕射线发生器可旋转;无框架扭矩马达，被配置为 驱动旋转准直器装置围绕射线发生器旋转;以及冷却装置，其被配置为冷却射线发生器，其中，射线发生器，旋转准直器装置，无框架扭矩马达和冷却装置安装在集成的安装框架上。 与现有技术相比，根据本公开的集成飞点X射线装置具有简单紧凑的结构，并且用作安全检查和医疗领域的内核装置。

公开(公告)号：US10458928B2

公开(公告)日：2019-10-29

申请号：US15578131

申请日：2016-05-19

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： Zhiqiang Chen ,  Wanlong Wu ,  Ziran Zhao ,  Guangwei Ding ,  Ming Ruan ,  Xilei Luo

IPC: G21K1/02 ,  G01N23/223 ,  G01N23/083 ,  G01N23/02

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.

公开(公告)号：US10446288B2

公开(公告)日：2019-10-15

申请号：US15578138

申请日：2016-07-12

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Wanlong Wu ,  Junli Li ,  Ming Ruan ,  Guangwei Ding

IPC: G21K1/02 ,  G01N23/223 ,  H05G1/02 ,  G21F3/00

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：US20180308602A1

公开(公告)日：2018-10-25

申请号：US15578138

申请日：2016-07-12

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Wanlong Wu ,  Junli Li ,  Ming Ruan ,  Guangwei Ding

IPC: G21K1/02

CPC classification number: G21K1/025 ,  G21F3/00 ,  H05G1/02

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：US20180292333A1

公开(公告)日：2018-10-11

申请号：US15578131

申请日：2016-05-19

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： Zhiqiang Chen ,  Wanlong Wu ,  Ziran Zhao ,  Guangwei Ding ,  Ming Ruan ,  Xilei Luo

IPC: G01N23/083

CPC classification number: G01N23/083 ,  G01N23/02 ,  G01N2223/316 ,  G21K1/025

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.

公开(公告)号：US20170184516A1

公开(公告)日：2017-06-29

申请号：US15285850

申请日：2016-10-05

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Le Tang ,  Xiao Tang ,  Guangwei Ding

IPC: G01N23/203

CPC classification number: G01N23/203 ,  G01N2223/053 ,  G01N2223/408 ,  G01T7/00 ,  G01V5/0025

Abstract: The present disclosure relates to a portable backscatter imaging inspection apparatus and an imaging method thereof, the apparatus comprising: an apparatus housing, an X-ray source, a rotating modulation mechanism, a radiation detector, a motion sensor and a controller; the X-ray source, the rotating modulation mechanism, the radiation detector and the motion sensor are disposed within the apparatus housing, wherein the radiation detector is used to receive scatter signal data from a surface of an object under inspection to form a two dimensional (2D) image, the motion sensor is used to collect a three dimensional (3D) motion track and scanning angles of the apparatus during a scanning process, the controller is used to splice and fuse a plurality of 2D images received by the radiation detector based on the 3D motion track and the scanning angles to obtain a stereo image of the surface of the object under inspection. This disclosure may achieve a better scan imaging effect on an object having a curved surface or multiple irregular surfaces.

公开(公告)号：US20160003965A1

公开(公告)日：2016-01-07

申请号：US14790880

申请日：2015-07-02

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Le Tang ,  Chengcong Xu ,  Ming Ruan ,  Guangwei Ding ,  Yanjie Wen

IPC: G01V5/00 ,  G01N23/203

CPC classification number: G01V5/0025 ,  G01N23/203

Abstract: The present invention provides an X-ray backscattering safety inspection system, comprising: an X-ray source comprising a plurality of target spots each individually controllable to emit X-rays; collimators configured to be respectively passed through the X-ray emitted from the plurality of target spots and output N pencil-shaped X-ray beams, and the N pencil-shaped X-ray beams are irradiated onto N locations of an object to be inspected; and N detectors configured to respectively receive scattering signals from the corresponding locations of the object to be inspected, in which N is a positive integer that is great than or equal to 2. The system may achieve double scannings in one scanning operation, which not only increases scanning speed but also enhances backscattering signal for imaging.

Abstract translation: 本发明提供了一种X射线背散射安全检查系统，其包括：X射线源，其包括多个目标点，每个目标点各自可控制以发射X射线; 准直器被配置为分别通过从多个目标点发射的X射线，并且输出N个铅笔X射线束，并且将N个铅笔X射线束照射到待检查对象的N个位置 ; 和N个检测器，其被配置为分别从待检查对象的相应位置接收散射信号，其中N是大于或等于2的正整数。系统可以在一次扫描操作中实现双扫描，这不仅 增加了扫描速度，同时也增强了用于成像的后向散射信号。