公开(公告)号：US10983243B2

公开(公告)日：2021-04-20

申请号：US16491891

申请日：2017-12-20

Applicant: Tsinghua University ,  NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Wanlong Wu ,  Ming Ruan ,  Yingkang Jin ,  Guangwei Ding ,  Zongjun Shen ,  Jiajiang Zhao

IPC: G01V5/00 ,  G21K1/10 ,  G01N23/203

Abstract: A human body security inspection apparatus, a method of operating the same, and an associated filter device are disclosed. The human body security inspection apparatus includes a radiation beam exit configured for emitting a radiation beam; a beam guiding box configured for guiding the radiation beam; and a filter device configured between the radiation beam exit and the beam guiding box. The filter device includes a housing and a filter cage having a central axis. The filter cage is formed by arranging two or more pairs of filtering sheets, which are made of different materials and/or have different thicknesses, in an encircling way. The filter cage is rotatable about its central axis such that at least one pair of filtering sheets is capable of filtering the radiation beam to adjust an outputted dosage of the radiation beam of the human body security inspection apparatus.

公开(公告)号：US09846258B2

公开(公告)日：2017-12-19

申请号：US14792066

申请日：2015-07-06

Applicant: NUCTECH COMPANY LIMITED

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

IPC: G01N23/201 ,  G01V5/00 ,  G01N23/203

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.

公开(公告)号：US20160003967A1

公开(公告)日：2016-01-07

申请号：US14792066

申请日：2015-07-06

Applicant: NUCTECH COMPANY LIMITED

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

IPC: G01V5/00 ,  G01N23/203

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: 本公开提供一种X射线后向散射安全检查系统，包括：一个或多个后向散射检查子系统，被配置为通过向被检查物体发射X射线束并检查散射信号来检查被检查物体; 以及控制子系统，被配置为根据被检查对象的大小实时地调整后向散射检查子系统与待检查对象侧的位置之间的距离，其中被X射线束照射的位置实时地被调整， 检查的散射信号被优化。 该系统可以适应于具有不同尺寸或形状的待检查对象，同时增强用于成像的后向散射信号。

公开(公告)号：US09846257B2

公开(公告)日：2017-12-19

申请号：US14790947

申请日：2015-07-02

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

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

IPC: G01N23/201 ,  G01V5/00 ,  G01N23/203

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：USD804670S1

公开(公告)日：2017-12-05

申请号：US29567397

申请日：2016-06-08

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Designer： Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Guangwei Ding ,  Ming Ruan

公开(公告)号：US09355810B2

公开(公告)日：2016-05-31

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 ,  G21K1/04 ,  H01J35/02 ,  H05G1/02

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 驱动所述旋转准直仪装置围绕所述射线发生器旋转;以及冷却装置，其被配置为冷却所述射线发生器，其中所述射线发生器，所述旋转准直器装置，所述无框架扭矩马达和所述冷却装置安装在集成安装框架上。 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：US20140056410A1

公开(公告)日：2014-02-27

申请号：US13971275

申请日：2013-08-20

Applicant: Nuctech Company Limited

Inventor： Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Le Tang ,  Chenguang Zhu ,  Guangwei Ding ,  Shuo Cao

IPC: G01V5/00

CPC classification number: G01V5/0025 ,  G01V5/0075

Abstract: The present invention discloses a back-scatter human body security inspection system, capable of detecting a radioactive matter carried by the human body, comprising: a radiation source configured to generate radiation rays, a flying spot forming device, configured to modulate the radiation rays from the radiation source, so as to form flying spot scanning beams for scanning the human body to be detected, a detector configured to detect radiation rays from the human body to be detected and output a signal characterizing a dose of the radiation rays, a control and data processing device, configured to process the signal outputted from the detector to obtain a radiation image of the human body to be detected. The detector detects the radiation rays from the radiation source scattered by the human body to be detected, separately at different times, and the radiation rays from the radioactive matter carried by the human body to be detected. In the present invention, the application ranges of the back-scatter human body scanning apparatus can be effectively expanded, without adding and modifying the hardware therein, thereby increasing the monitoring function to the radioactive matter carried by the human body and further improving the effects of the human body security inspection.

Abstract translation: 本发明公开了一种能够检测人体携带的放射性物质的背散射人体安全检查系统，包括：被配置为产生放射线的辐射源，飞点形成装置，其被配置为调制来自 辐射源，以便形成用于扫描要检测的人体的飞点扫描光束;检测器，被配置为检测来自人体的待检测的辐射线，并输出表征辐射射线剂量的信号;控制和 数据处理装置，被配置为处理从检测器输出的信号，以获得要检测的人体的放射线图像。 检测器在不同时间分别检测来自被检测人体的辐射源的辐射线，以及来自被检测人体携带的放射性物质的辐射线。 在本发明中，可以有效地扩展背散射式人体扫描装置的应用范围，而不需要对其中的硬件进行增加和修改，从而增加对人体携带的放射性物质的监测功能，进一步提高 人体安全检查。

公开(公告)号：US20160003966A1

公开(公告)日：2016-01-07

申请号：US14790947

申请日：2015-07-02

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

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

IPC: G01V5/00 ,  G01N23/203

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: 本公开提供了一种移动后向散射成像安全检查装置，包括：后散射扫描器（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：US20140177802A1

公开(公告)日：2014-06-26

申请号：US14060270

申请日：2013-10-22

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Le Tang ,  Guangwei Ding ,  Chenguang Zhu

IPC: G21K1/04 ,  G01N23/20

CPC classification number: G21K1/04 ,  G01N23/20 ,  G21K1/043

Abstract: A ray emission device and an imaging system with the ray emission device are disclosed. The ray emission device comprises: a cylinder; a ray source disposed in the cylinder for emitting a ray; and a collimator disposed in the cylinder. The collimator enables the ray emitted by the ray source to form sectorial ray beams at a plurality of positions in an axial direction of the cylinder. The cylinder has a pencil beam forming part arranged over an axial length of the cylinder corresponding to the plurality of positions. The sectorial ray beams form pencil beams through the pencil beam forming part when the cylinder rotates around a rotation axis.

Abstract translation: 公开了一种具有射线发射装置的射线发射装置和成像系统。 射线发射装置包括：圆筒; 设置在所述气缸中用于发射射线的射线源; 以及设置在气缸中的准直器。 准直器使得由射线源发射的射线能够在圆柱体的轴向上的多个位置处形成扇形射线束。 圆柱体具有布置在与多个位置对应的圆柱体的轴向长度上的笔形波束形成部分。 当圆筒围绕旋转轴旋转时，扇形射线束通过笔形波束形成部分形成笔形束。

公开(公告)号：US09031192B2

公开(公告)日：2015-05-12

申请号：US14060270

申请日：2013-10-22

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Le Tang ,  Guangwei Ding ,  Chenguang Zhu

IPC: H05G1/70 ,  G21K1/04 ,  G01N23/20

CPC classification number: G21K1/04 ,  G01N23/20 ,  G21K1/043

Abstract: A ray emission device and an imaging system with the ray emission device are disclosed. The ray emission device comprises: a cylinder; a ray source disposed in the cylinder for emitting a ray; and a collimator disposed in the cylinder. The collimator enables the ray emitted by the ray source to form sectorial ray beams at a plurality of positions in an axial direction of the cylinder. The cylinder has a pencil beam forming part arranged over an axial length of the cylinder corresponding to the plurality of positions. The sectorial ray beams form pencil beams through the pencil beam forming part when the cylinder rotates around a rotation axis.

Abstract translation: 公开了一种具有射线发射装置的射线发射装置和成像系统。 射线发射装置包括：圆筒; 设置在所述气缸中用于发射射线的射线源; 以及设置在气缸中的准直器。 准直器使得由射线源发射的射线能够在圆柱体的轴向上的多个位置处形成扇形射线束。 圆柱体具有布置在与多个位置对应的圆柱体的轴向长度上的笔形波束形成部分。 当圆筒围绕旋转轴旋转时，扇形射线束通过笔形波束形成部分形成笔形束。