公开(公告)号：EP4261573A1

公开(公告)日：2023-10-18

申请号：EP21902398.3

申请日：2021-11-25

申请人： Nuctech Company Limited ,  Tsinghua University

发明人： ZENG, Zhi ,  LI, Jianmin ,  RUAN, Ming ,  DENG, Yanli ,  ZHU, Guoping ,  LI, Junli

IPC分类号： G01V5/00 ,  G01N23/10

摘要： Embodiments of the present application provide a detection method, apparatus and system. The detection method includes: acquiring information of at least two first positions through which a particle passes before penetrating an object under detection, and information of at least two second positions through which the particle passes after penetrating the object under detection, wherein the object under detection is a metal product; reconstructing, based on the information of the at least two first positions, a first track before the particle penetrates the object under detection; reconstructing, based on the information of the at least two second positions, a second track after the particle penetrates the object under detection; processing the first track and the second track to obtain feature information of the object under detection; and determining, according to the feature information and preset feature information of an object of a target type, a detection result of the object under detection. The detection method according to the embodiments of the present application can improve accuracy of the detection result.

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

申请人： Tsinghua University ,  Nuctech Company Limited

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

IPC分类号： G01V5/00

CPC分类号： G01V5/0025 ,  G01N23/203

摘要： 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

申请人： Tsinghua University ,  Nuctech Company Limited

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

IPC分类号： G01V5/00

CPC分类号： G01V5/0025 ,  G01N23/203

摘要： 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.

摘要翻译： 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：EP2078957A1

公开(公告)日：2009-07-15

申请号：EP06828437.1

申请日：2006-12-22

申请人： Nuctech Company Limited ,  Tsinghua University

发明人： CHEN, Zhiqiang ,  LI, Yuanjing ,  LIU, Yinong ,  LI, Junli ,  PENG, Hua ,  LIU, Yaohong ,  SUN, Shangmin ,  ZHANG, Jinyu ,  ZHANG, Qingjun ,  ZHANG, Li ,  XIE, Yali ,  DENG, Yanli ,  RUAN, Ming ,  LIANG, Siyuan ,  YANG, Guang ,  JIA, Wei

IPC分类号： G01N23/04

CPC分类号： G01N23/10 ,  G01V5/0016

摘要： A radiation inspection system is disclosed. The radiation inspection system comprises: an inspection passage through which a moving object under inspection can pass, a radiation source disposed on a side of the inspection passage for emitting radiation, an array of detectors disposed on the other side of the inspection passage opposite to the radiation source for receiving the radiation emitted from the radiation source, a detector for detecting the moving object, and a controller for receiving a signal from the detector and controlling the radiation source to emit radiation when the detector detects the moving object for radiation imaging and inspection of the moving object. According to the radiation inspection system, the controller can control the radiation source to automatically emit radiation beam based on the detection signal from the detector for inspecting the moving object. As a result, inspection efficiency is improved, safety is increased, and misoperation of the radiation source is eliminated.

摘要翻译： 一种放射线检测系统是游离缺失盘。 辐射检查系统包括：检查通道，通过该被检查的运动物体可以通过，设置在检查通道的一侧的辐射源在设置于相对的检查通道的另一侧的检测器的阵列发射辐射 用于接收从所述辐射源发射的辐射，用于检测该移动物体的检测器，以及用于从检测器接收信号并控制所述辐射源当检测器检测为放射线成像和检测移动物体发射辐射的控制器辐射源 移动物体的。 。据辐射检查系统，所述控制器可以控制所述辐射源基于来自所述检测器用于检测移动物体的检测信号自动发出的辐射束。 其结果是，检查效率提高，安全性提高，并且辐射源的误操作被消除。

公开(公告)号：EP4206744A3

公开(公告)日：2023-09-06

申请号：EP22216540.9

申请日：2022-12-23

申请人： Nuctech Company Limited

发明人： LI, Jianmin ,  ZHU, Guoping ,  RUAN, Ming ,  ZHAO, Kun ,  DENG, Yanli ,  LI, Junli ,  MIAO, Qitian

IPC分类号： G01T1/02 ,  G01T7/00

摘要： Provide is a ray dose detection device adaptable for coupling with a terminal and a method for detecting a ray dose, which relate to a field of an environmental detection technology. The device includes: a housing (1), a scintillator (2) and a light shielding layer (3). The housing (1) has an accommodating space (11) and a window (12), the accommodating space (11) is connected with the window (12); the scintillator (2) is configured to receive a ray and convert the received ray to a visible light, the scintillator (2) is located in the accommodating space (11), the scintillator (2) covers the window (12), an outer surface of the scintillator (2) includes a first outer surface and a second outer surface, and the first outer surface is adapted to a camera of the terminal; and the light shielding layer (3) is configured to shield the scintillator (2) from a visible light in an external environment, the light shielding layer (3) is arranged on the second outer surface of the scintillator (2), wherein the ray dose detection device is mountable on the terminal to enable the scintillator (2) and the window (12) to face the camera of the terminal, so as to convert the ray in the external environment to the visible light suitable for being received by the camera of the terminal.

公开(公告)号：EP3187905B1

公开(公告)日：2019-10-30

申请号：EP16191987.3

申请日：2016-09-30

申请人： Nuctech Company Limited

发明人： CHEN, Zhiqiang ,  ZHAO, Ziran ,  LI, Yuanjing ,  WU, Wanlong ,  TANG, Le ,  RUAN, Ming

IPC分类号： G01V5/00

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

申请人： Nuctech Company Limited

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

IPC分类号： G01V5/00

公开(公告)号：EP3187905A1

公开(公告)日：2017-07-05

申请号：EP16191987.3

申请日：2016-09-30

申请人： Nuctech Company Limited

发明人： CHEN, Zhiqiang ,  ZHAO, Ziran ,  LI, Yuanjing ,  WU, Wanlong ,  TANG, Le ,  RUAN, Ming

IPC分类号： G01V5/00

摘要： The present disclosure provides a human body security inspection system, including: an X-ray source configured to provide X-ray radiation for scanning a human body to be inspected, a detector configured to receive X-ray radiation transmitting through the human body to be inspected and generate a transmission signal, a sensor configured to obtain the weight of the human body to be inspected, a carrying device configured to carry and move the human body to be inspected in a direction such that the human body is scanned, and a controller configured to receive a signal from the sensor, determine the weight of the human body to be inspected based on the signal from the sensor, and determine and controla voltage or current applied to the X-ray source and a movement speed of the carrying device according to the weight.

摘要翻译： 本公开提供了一种人体安全检查系统，包括：X射线源，被配置为提供用于扫描待检查的人体的X射线辐射;检测器，被配置为接收待透射通过人体的X射线辐射 检查并生成传输信号;传感器，被配置为获取被检查人体的重量;携带装置，被构造为携带待检测人体并使人体在扫描人体的方向上移动;以及控制器 被配置为接收来自传感器的信号，基于来自传感器的信号确定要检查的人体的重量，并且确定并控制施加到X射线源的电压或电流以及根据传感器的运动速度 重量。

公开(公告)号：EP2796898A1

公开(公告)日：2014-10-29

申请号：EP12858884.5

申请日：2012-12-20

申请人： Nuctech Company Limited

发明人： WANG, Qiang ,  ZHAO, Kun ,  RUAN, Ming

IPC分类号： G01T1/29

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 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： 一种用于检查和巡逻定位放射性物质的方法，包括：提供环境的背景放射性强度值; 通过以上的巡检路径的采样点的多个检测器从一个区域检查收集放射性强度值; 计算在所述检测区域上收集的放射性强度值和背景的放射性强度值的基础放射性强度分布; 和确定性采矿上放射性强度分布的基础的放射性物质的位置。 进一步，用于巡逻检查和定位的放射性物质的装置，包括：两个或更多个检测器被配置为从周围巡检路径的检查区域收集放射性强度值，在每次的巡检路线上的采样点的多个; 并且在可移动载体构造成承载所述检测器和沿巡检路线移动通过采样点通过。 该方法和设备能够获得的位置和所述放射性物质的检测区域内上的巡检路线上的多点观察基础放射性强度分布。

公开(公告)号：EP2963455B1

公开(公告)日：2018-06-06

申请号：EP15175336.5

申请日：2015-07-03

申请人： Tsinghua University ,  Nuctech Company Limited

发明人： CHEN, Zhiqiang ,  ZHAO, Ziran ,  WU, Wanlong ,  JIN, Yingkang ,  TANG, Le ,  XU, Chengcong ,  RUAN, Ming ,  DING, Guangwei ,  WEN, Yanjie

IPC分类号： G01V5/00

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.