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11. 发明授权

US10446288B2 Ray beam guiding device and ray inspection apparatus having the same 有权
公开(公告)号：US10446288B2
公开(公告)日：2019-10-15
申请号：US15578138
申请日：2016-07-12
申请人： Nuctech Company Limited , Nuctech Jiangsu Company Limited
发明人： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Junli Li , Ming Ruan , Guangwei Ding
IPC分类号： G21K1/02 , G01N23/223 , H05G1/02 , G21F3/00
摘要： 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.

12. 发明申请

US20180308602A1 RAY BEAM GUIDING DEVICE AND RAY INSPECTION APPARATUS HAVING THE SAME 审中-公开
公开(公告)号：US20180308602A1
公开(公告)日：2018-10-25
申请号：US15578138
申请日：2016-07-12
申请人： Nuctech Company Limited , Nuctech Jiangsu Company Limited
发明人： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Junli Li , Ming Ruan , Guangwei Ding
IPC分类号： G21K1/02
CPC分类号： G21K1/025 , G21F3/00 , H05G1/02
摘要： 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.

13. 发明申请

US20180292333A1 COLLIMATING DEVICE AND RAY INSPECTION DEVICE 审中-公开
公开(公告)号：US20180292333A1
公开(公告)日：2018-10-11
申请号：US15578131
申请日：2016-05-19
申请人： Nuctech Company Limited , Nuctech Jiangsu Company Limited
发明人： Zhiqiang Chen , Wanlong Wu , Ziran Zhao , Guangwei Ding , Ming Ruan , Xilei Luo
IPC分类号： G01N23/083
CPC分类号： G01N23/083 , G01N23/02 , G01N2223/316 , G21K1/025
摘要： 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.

14. 发明授权

US09552521B2 Human body security inspection method and system 有权
标题翻译：人体安全检查方法及系统
公开(公告)号：US09552521B2
公开(公告)日：2017-01-24
申请号：US14337190
申请日：2014-07-21
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Yingkang Jin , Yinong Liu , Wenguo Liu , Xianli Ding , Bin Sang , Le Tang , Ming Ruan , Chenguang Zhu , Liaohua Fu , Fuhua Ding , Shuo Cao
IPC分类号： G06K9/00 , G06T7/00 , G07C9/00
CPC分类号： G06K9/00771 , G06K9/00362 , G06K2209/09 , G06T7/0002 , G06T2207/30196 , G06T2207/30232 , G07C9/00158
摘要： The present invention provides a human body security inspection method and system. The method comprises: retrieving in real-time scanning row or column image data of a personal to be inspected; transmitting in real-time the image data to an algorithm processing module and processing these image data by the module; automatically recognizing a suspicious matter by a suspicious matter automatic target recognition technique, after retrieving an image data of an entire scanning image of the personal; any of the following three inspection modes is selected, so as to perform a further processing on basis of the recognition result of the suspicious matter, (1) in a manner of automatic target recognition technique, (2) in a combination manner of the automatic target recognition technique and a privacy protection image; and (3) a combination manner of the automatic target recognition technique, a privacy protection image and human intervention.
摘要翻译：本发明提供一种人体安全检查方法和系统。该方法包括：实时检索要检查的个人的行或列图像数据; 将图像数据实时传输到算法处理模块，并通过模块处理这些图像数据; 在检索个人的整个扫描图像的图像数据之后，通过可疑物体自动目标识别技术自动识别可疑物品; 选择以下三种检查模式中的任何一种，以便基于可疑物的识别结果进行进一步处理，（1）以自动目标识别技术的方式，（2）以自动目标识别技术和隐私保护形象; 和（3）自动目标识别技术，隐私保护图像和人为干预的组合方式。

15. 发明授权

US09322933B2 Multiple technologies composite scintillation detector device 有权
标题翻译：多技术复合闪烁检测装置
公开(公告)号：US09322933B2
公开(公告)日：2016-04-26
申请号：US14576674
申请日：2014-12-19
申请人： NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
发明人： Ziran Zhao , Zhiqiang Chen , Yuanjing Li , Wanlong Wu , Yinong Liu , Ming Ruan , Yingkang Jin , Le Tang
IPC分类号： G01T1/20
CPC分类号： G01T1/2002 , G01T1/2008
摘要： The invention presents a backscattering scintillation detector. The scintillation detector includes a scintillation crystal detector; a X-ray sensitizing screen, which is disposed forward the scintillation crystal detector and where a backscattered X-ray from an object to be detected is processed and then at least part of the processed X-ray is incident to scintillation crystal detector; and photoelectric multiplier, which is disposed backward the scintillation crystal detector and is configured to collect a light signal from scintillation crystal detector and convert it to an electrical signal. Through the above preferable embodiment, a X-ray sensitizing screen, a scintillation crystal detector, and light guiding and wave-drifting technologies are combined together to obtain a novel scintillation detector, which can improve detection of X-ray, transmission of light signal and conversion of light signal to electrical signal.
摘要翻译：本发明提出了一种后向散射闪烁检测器。闪烁检测器包括闪烁晶体检测器; 设置在闪烁晶体检测器前方的X射线增感屏幕，并且处理来自被检测物体的背散射X射线，然后处理的X射线的至少一部分入射到闪烁晶体检测器; 以及光电倍增器，其设置在闪烁晶体检测器的后方，并且被配置为从闪烁晶体检测器收集光信号并将其转换为电信号。通过上述优选实施例，将X射线增感屏，闪烁晶体检测器和导光波漂移技术组合在一起，以获得新的闪烁检测器，其可以改善X射线的检测，光信号的传输和光信号转换为电信号。

16. 发明申请

US20160003965A1 X-RAY BACKSCATTERING SAFETY INSPECTION SYSTEM HAVING DISTRIBUTED X-RAY SOURCE AND METHOD USING THE SAME 审中-公开
标题翻译：具有分布式X射线源的X射线背景安全检查系统及其使用方法
公开(公告)号：US20160003965A1
公开(公告)日：2016-01-07
申请号：US14790880
申请日：2015-07-02
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Chengcong Xu , Ming Ruan , Guangwei Ding , Yanjie Wen
IPC分类号： G01V5/00 , G01N23/203
CPC分类号： G01V5/0025 , G01N23/203
摘要： 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.
摘要翻译：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。

17. 发明授权

US10371854B2 Safety inspection apparatus 有权
公开(公告)号：US10371854B2
公开(公告)日：2019-08-06
申请号：US15230316
申请日：2016-08-05
申请人： NUCTECH COMPANY LIMITED , NUCTECH JIANGSU COMPANY LIMITED
发明人： Ziran Zhao , Zhiqiang Chen , Wanlong Wu , Li Zhang , Yingkang Jin , Ming Ruan
IPC分类号： G01V5/00
摘要： A safety inspection apparatus is disclosed in embodiments of the present invention. The safety inspection apparatus includes: an x-ray source including a ray emission focal spot; and a plurality of detector modules each of which has a ray receiving surface, and which are arranged along a plurality of straight line segments. The plurality of straight line segments include a first straight line segment and two second straight line segments, and, the two second straight line segments extend from the two ends of the first straight line segment towards the x-ray source side, respectively. In a plane where the sectorial ray beam is located, a normal to the ray receiving surface of each of the detector modules at a midpoint of the ray receiving surface of the each of the detector modules passes generally through the ray emission focal spot of the x-ray source.

18. 发明申请

US20160187529A1 Human Body Security Inspection Apparatus 审中-公开
标题翻译：人体安全检查仪器
公开(公告)号：US20160187529A1
公开(公告)日：2016-06-30
申请号：US14958245
申请日：2015-12-03
申请人： Nuctech Company Limited , Tsinghua University
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Lin Yang , Yingkang Jin , Ming Ruan , Chengcong Xu
IPC分类号： G01V8/00 , G01S13/88 , G01S13/89 , G01V3/12
CPC分类号： G01S13/887 , G01S13/89 , G01V3/12 , G01V8/005
摘要： The present disclosure provides a human body security inspection apparatus, comprising: a base on which an inspected human stands; a millimeter-wave transceiver configured to perform a millimeter-wave scanning operation on the body of the inspected human standing on the base so as to detect whether or not the inspected human carries contraband and output a first signal; and a metal sensing detector arranged within the base and configured to detect whether or not there is a metallic foreign object in underside of a shoe of the inspected human and output a second signal.
摘要翻译：本公开提供一种人体安全检查装置，包括：被检查人员所在的基座; 毫米波收发器被配置为对所检查的人体在基座上的身体执行毫米波扫描操作，以便检测被检查的人是否携带违禁品并输出第一信号; 以及金属感测检测器，其布置在所述基座内并且被配置为检测所检查的人的鞋的下侧中是否存在金属异物并输出第二信号。

19. 发明授权

US08993977B2 Detector and a method for simultaneously detecting both gamma rays and neutron using the same 有权
标题翻译：检测器和使用其同时检测伽马射线和中子的方法
公开(公告)号：US08993977B2
公开(公告)日：2015-03-31
申请号：US14366899
申请日：2012-12-20
申请人： Nuctech Company Limited
发明人： Kun Zhao , Ming Ruan
IPC分类号： G01T3/06 , G01T1/16 , G01T1/17
CPC分类号： G01T3/06 , G01T1/16 , G01T1/17 , G01T1/20
摘要： The present invention discloses a detector. The detector includes a detector crystal, configured to detect incident rays therein; a plurality of moderator layers, configured to moderate neutrons entering the moderator layer; and a plurality of converter layers, configured to react with said moderated neutrons. The moderator layers and the converter layers are overlapped with each other, and the moderator layers and the converter layers are located outside the detector crystal.
摘要翻译：本发明公开了一种检测器。检测器包括检测器晶体，其被配置为检测其中的入射光线; 多个调节剂层，被配置用于调节进入调节剂层的中子; 以及多个转换器层，被配置为与所述调节中子反应。调节器层和转换器层彼此重叠，并且调节剂层和转换器层位于检测器晶体的外部。

20. 发明申请

US20150025841A1 METHOD AND DEVICE FOR PATROL INSPECTING AND POSITIONING A RADIOACTIVE SUBSTANCE 有权
标题翻译：用于PATROL检测和定位放射性物质的方法和装置
公开(公告)号：US20150025841A1
公开(公告)日：2015-01-22
申请号：US14367824
申请日：2012-12-20
申请人： NUCTECH COMPANY LIMITED
发明人： Qiang Wang , Kun Zhao , Ming Ruan
IPC分类号： G01V5/00 , G01T1/00
CPC分类号： G01V5/0008 , G01T1/00 , G01T1/169 , G01T7/00
摘要： A method for patrol inspecting and locating a radioactive substance, comprising: providing a background radioactive intensity value of environment; collecting radioactive intensity values from a inspecting region by a detector at a plurality of sampling points on a patrol inspection route; calculating a radioactive intensity distribution in the inspecting region on basis of the collected radioactive intensity values and the background radioactive intensity value; and determining a position of the radioactive substance on basis of the radioactive intensity distribution. Furthermore, a device for patrol inspecting and locating a radioactive substance comprises: two or more detectors configured to collect radioactive intensity values from a inspecting region around a patrol inspection route, at each of a plurality of sampling points on the patrol inspection route; and a movable carrier configured to carry the detector and to move along the patrol inspection is route to pass by the sampling points. The method and device can obtain the position and the radioactive intensity distribution of the radioactive substance within the inspecting region on basis of the multiple-point observation on the patrol inspection route.
摘要翻译：一种巡视检验放射性物质的方法，包括：提供背景放射性强度值的环境; 在检查路线上的多个采样点处由检测器从检查区域收集放射性强度值; 根据收集的放射性强度值和背景放射性强度值计算检测区域的放射性强度分布; 并根据放射性强度分布确定放射性物质的位置。此外，用于巡视检查和定位放射性物质的装置包括：两个或更多个检测器，被配置为在巡视检查路线上的多个采样点的每一个处从巡视检查路线周围的检查区域收集放射强度值; 并且构造成携带检测器并沿巡视检查移动的可移动承载件是通过采样点的路线。该方法和装置可以根据巡视检查路线的多点观察，得到检查区内放射性物质的位置和放射性强度分布。

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