专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明公开

EP4369057A1 INSPECTION SYSTEM AND METHOD 审中-实审
公开(公告)号：EP4369057A1
公开(公告)日：2024-05-15
申请号：EP22836956.7
申请日：2022-07-06
申请人： Tsinghua University , Nuctech Company Limited
发明人： CHEN, Zhiqiang , ZHANG, Li , HUANG, Qingping , ZHOU, Yong , DING, Hui , JIN, Xin , JI, Chao
IPC分类号： G01V5/00
摘要： An inspection system, including: a ray source (100) rotatable between at least two scanning positions around a rotation axis, where a rotation angle of the ray source (100) between two adjacent scanning positions is greater than an angle of adjacent target spots of the ray source (100) relative to the rotation axis; a detector assembly (200); and a conveying device (300) for carrying an object to be inspected (10). The ray source (100) and the detector assembly (200) are movable in a traveling direction relative to the conveying device (300) so that the object to be inspected (10) enters an inspection region. When the ray source (100) is located at one of the plurality of scanning positions, the ray source (100) and the detector assembly (200) move in the traveling direction relative to the conveying device (300) and the ray source (100) emits X-rays; and when the ray source (100) and the detector assembly (200) move a predetermined distance in the traveling direction relative to the conveying device (300), the ray source (100) rotates around the rotation axis to another one of the plurality of scanning positions.

2. 发明公开

EP4369055A1 RAY SCANNING DEVICE 审中-实审
公开(公告)号：EP4369055A1
公开(公告)日：2024-05-15
申请号：EP22836830.4
申请日：2022-07-01
申请人： Nuctech Company Limited , Tsinghua University
发明人： CHEN, Zhiqiang , ZHANG, Li , HUANG, Qingping , JIN, Xin , DING, Hui , ZHOU, Yong , HU, Baoyuan , ZHAO, Zhenhua
IPC分类号： G01V5/00
摘要： A ray scanning device, comprising: a conveying apparatus (1), conveying an object to be detected (6) to pass through a scanning region of the ray scanning device; a ray source (3), comprising multiple ray source modules (31, 32, 33, 34), each ray source module (31, 32, 33, 34) comprising at least one ray source point emitting a ray beam, and the multiple ray source modules (31, 32, 33, 34) being arranged around the scanning region above the conveying device (1) and secured in a plane perpendicular to a conveying direction of the object to be detected (6); and a detector (4), used to detect rays transmitted through the object to be detected (6) during a scanning period, and comprising multiple detector sets (41, 42, 43, 44), end portions of the multiple detector sets (41, 42, 43, 44) being connected to each other so as to surround the scanning region, and the multiple detector sets (41, 42, 43, 44) being secured in a plane perpendicular to the conveying direction of the object to be detected (6), the detector (4) being located between the ray source (3) and the scanning region along a direction perpendicular to the conveying direction of the object to be detected (6), the ray source (3) and the detectors (4) being arranged to at least partially overlap along the conveying direction of the object to be detected (6), and the multiple ray source modules (31, 32, 33, 34) being detached and mounted independently of each other.

3. 发明公开

EP4345509A1 INSPECTION SYSTEM AND METHOD 审中-实审
公开(公告)号：EP4345509A1
公开(公告)日：2024-04-03
申请号：EP22836960.9
申请日：2022-07-06
申请人： Nuctech Company Limited , Tsinghua University
发明人： ZHANG, Li , CHEN, Zhiqiang , HUANG, Qingping , DING, Hui , ZHOU, Yong , JIN, Xin , YAO, Liming
IPC分类号： G01V5/00
摘要： An inspection system, including: a carrying device (300), at least one ray source (100), where each ray source (100) includes a separate housing (110) to define a vacuum space and a plurality of target spots (120) enclosed within the housing (110); and a detector assembly (200). The at least one ray source (100) and the detector assembly (200) are lifted or lowered along a central axis of the carrying device (300) relative to the carrying device (300). When viewed along the central axis, the at least one ray source (100) is translatable between a plurality of scanning positions relative to the carrying device (300). When the at least one ray source (100) is at one of the scanning positions relative to the carrying device (300), the at least one ray source (100) and the detector assembly (200) are lifted or lowered relative to the carrying device (300) along the central axis, and the at least one ray source (100) emits X-rays; and when the at least one ray source (100) and the detector assembly (200) are lifted or lowered a predetermined distance relative to the carrying device, the at least one ray source (100) translates to another one of the scanning positions relative to the carrying device (300).

4. 发明公开

EP3460531A1 SCANNING IMAGING SYSTEM FOR SECURITY INSPECTION OF AN OBJECT AND IMAGING METHOD THEREOF 有权
公开(公告)号：EP3460531A1
公开(公告)日：2019-03-27
申请号：EP18178449.7
申请日：2018-06-19
申请人： Nuctech Company Limited , Tsinghua University
发明人： ZHANG, Li , CHEN, Zhiqiang , SHEN, Le , HUANG, Qingping , SUN, Yunda , JIN, Xin , DING, Hui , XING, Yuxiang
IPC分类号： G01V5/00
摘要： A scanning imaging system for security inspection of an object and an imaging method thereof are disclosed, the system comprising: a conveying unit (101) configured for bringing the object to move along a conveying direction; a plurality of radiographic sources (102) at one side of the conveying unit, being arranged successively in a direction vertical to a plane, in which the conveying unit is located, configured for alternately emitting ray beams to form a scanning area; a linear detector array (103) at the other side of the conveying unit, being configured for detecting first projection images, which are formed after the ray beams emitted by the plurality of radiographic sources penetrate through the object, in the process of the object passing through the scanning area; an imaging unit configured for obtaining a first reconstructed image of the object based on the first projection images of the plurality of radiographic sources.

5. 发明公开

EP3182175A1 X-RAY DIFFRACTION DETECTION SYSTEM AND METHOD 有权
标题翻译： X射线衍射检测系统和方法
公开(公告)号：EP3182175A1
公开(公告)日：2017-06-21
申请号：EP16185335.3
申请日：2016-08-23
申请人： Tsinghua University , Nuctech Company Limited
发明人： CHEN, Zhiqiang , ZHANG, Li , YANG DAI, Tianyi , ZHAO, Ji , JIN, Xin , CHANG, Ming
IPC分类号： G01V5/00 , G01N23/20
CPC分类号： G01N23/046 , G01N23/083 , G01N23/20083 , G01N23/207 , G01N2223/045 , G01N2223/056 , G01N2223/316 , G01N2223/643 , G01V5/0025 , G01V5/005 , G21K1/02
摘要： The present disclosure relates to a detection system and method. The detection system includes: a distributed radiation source (101) having a plurality of radiation source focus points, which emit rays to irradiate an object under detection, wherein the plurality of radiation source focus points are divided into a certain number of groups; a primary collimator (102) that limits rays of each of the radiation source focus points such that the rays emit into an XRD detection device; the XRD detection device (103) including a plurality of XRD detectors that are divided into the same number of groups as the radiation source focus points, wherein XRD detectors in a same group are arranged to be separated by XRD detectors in other groups, and rays of each of the radiation source focus points are merely received by XRD detectors having the same group number as the group number of the radiation source focus point.
摘要翻译：本公开涉及检测系统和方法。该检测系统包括：具有多个辐射源焦点的分布式辐射源（101），其发射用于照射被检测物体的光线，其中多个辐射源焦点被分成一定数量的组; 主要准直器（102），其限制每个辐射源焦点的射线，使得射线发射到XRD检测装置中; 所述XRD检测装置（103）包括被分成与所述辐射源焦点相同数量的组的多个XRD检测器，其中同一组中的XRD检测器被布置成通过其他组中的XRD检测器分离，并且射线仅由具有与辐射源焦点的组编号相同的组编号的XRD检测器接收每个辐射源焦点。

6. 发明公开

EP3037848A1 DUAL-SOURCE SECURITY INSPECTION CT SCANNING SYSTEM AND SCANNING METHOD 审中-公开
标题翻译： CT-SYSTEM麻省理工学士学位论文ÜE E E E E E E E E E E E E E
公开(公告)号：EP3037848A1
公开(公告)日：2016-06-29
申请号：EP15202529.2
申请日：2015-12-23
申请人： Tsinghua University , Nuctech Company Limited
发明人： ZHANG, Li , HONG, Mingzhi , HUANG, Qingping , JIN, Xin
IPC分类号： G01V5/00
CPC分类号： G01V5/005 , G01N23/046 , G01V5/0041
摘要： The present disclosure provides a dual-source security inspection CT scanning system and scanning method. The system includes two sets of scan imaging systems (6, 7), wherein each set of the scan imaging systems (6, 7) has its own separate ray source (6-1, 7-1) and detector (6-2, 7-2), the two sets of scan imaging systems (6, 7) are juxtaposed on a same rotary mechanism (2), and a predetermined interval is provided between imaging planes of the two sets of scan imaging systems (6, 7). The present disclosure ensures the two sets of imaging optical paths do not interfere with each other, therefore effectively avoiding the problem of scattering mutual interference between the dual sources of the dual-source CT scanning system in the prior art.
摘要翻译：本公开提供了一种双源安全检查CT扫描系统和扫描方法。该系统包括两组扫描成像系统（6,7），其中每组扫描成像系统（6,7）具有其自己的独立射线源（6-1,7-1）和检测器（6-2）如图7-2所示，两组扫描成像系统（6,7）并置在相同的旋转机构（2）上，并且在两组扫描成像系统（6,7）的成像平面之间设置预定间隔，。本公开确保了两组成像光路不彼此干涉，因此有效地避免了现有技术中双源CT扫描系统的双重源之间散射相互干扰的问题。

7. 发明公开

EP4369056A1 CHECK SYSTEM AND METHOD 审中-实审
公开(公告)号：EP4369056A1
公开(公告)日：2024-05-15
申请号：EP22836955.9
申请日：2022-07-06
申请人： Tsinghua University , Nuctech Company Limited
发明人： CHEN, Zhiqiang , ZHANG, Li , HUANG, Qingping , ZHOU, Yong , DING, Hui , JIN, Xin , JI, Chao
IPC分类号： G01V5/00
摘要： Provided are an inspection method, and an inspection system including: at least one ray source (100); a detector assembly (200) and a conveying device (300) for carrying a to-be-inspected object (10). At least one ray source (100) and the detector assembly (200) may move in a traveling direction relative to the conveying device (300), so that the to-be-inspected object (10) may enter an inspection region (30). When viewed along a central axis (AX) of the inspection region (30), at least one ray source (100) may translate between scanning positions, and a translation distance of at least one ray source (100) between two adjacent scanning positions is greater than a spacing between adjacent target spots (120) of each ray source (100). When at least one ray source (100) is located at one scanning position, at least one ray source (100) and the detector assembly (200) move in the traveling direction relative to the conveying device (300) and at least one ray source (100) emits X-rays. After moving a predetermined distance, at least one ray source (100) translates to another scanning position.

8. 发明公开

EP4365641A1 INSPECTION SYSTEM AND METHOD 审中-实审
公开(公告)号：EP4365641A1
公开(公告)日：2024-05-08
申请号：EP22836961.7
申请日：2022-07-06
申请人： Nuctech Company Limited , Tsinghua University
发明人： ZHANG, Li , CHEN, Zhiqiang , HUANG, Qingping , DING, Hui , ZHOU, Yong , JIN, Xin , YAO, Liming
IPC分类号： G01V5/00 , G01N23/046
CPC分类号： G01V5/00 , G01N23/046
摘要： An inspection system and method, the inspection system includes: a carrying device, at least one ray source (100) and a detector assembly (200). The at least one ray source (100) and the detector assembly (200) are lifted or lowered along a central axis of the carrying device (300) relative to the carrying device (300). When viewed along the central axis, the at least one ray source (100) is translatable between a plurality of scanning positions relative to the carrying device (300). When the at least one ray source (100) is at one of the scanning positions relative to the carrying device (300), the at least one ray source (100) and the detector assembly (200) are lifted or lowered relative to the carrying device (300) along the central axis, and the at least one ray source (100) emits X-rays; and when the at least one ray source (100) and the detector assembly (200) are lifted or lowered a predetermined distance relative to the carrying device (300), the at least one ray source (100) translates to another one of the scanning positions relative to the carrying device (300). The inspection system further reconstructs a three-dimensional scanning image of the object to be inspected based on detection data of the detector assembly (200).

9. 发明公开

EP4300083A1 IMAGING SYSTEM FOR RADIOGRAPHIC EXAMINATION 审中-实审
公开(公告)号：EP4300083A1
公开(公告)日：2024-01-03
申请号：EP22758752.4
申请日：2022-01-28
申请人： Tsinghua University , Nuctech Company Limited
发明人： CHEN, Zhiqiang , ZHANG, Li , JIN, Xin , ZHAO, Zhenhua
IPC分类号： G01N23/046
摘要： An imaging system for radiographic examination, the imaging system comprising: a first radiation source assembly (10) comprising a plurality of radiation sources (100); a second radiation source assembly (20) comprising a plurality of radiation sources (100), with target points of all the radiation sources (100) of the first radiation source assembly (10) being arranged in a first radiation source plane, and target points of all the radiation sources (100) of the second radiation source assembly (20) being arranged in a second radiation source plane; a plurality of first detector units (310), the plurality of first detector units (310) being arranged in a first detector plane; a plurality of second detector units (320), the plurality of second detector units (320) being arranged in a second detector plane; and a detector holder (330), the plurality of first detector units (310) and the plurality of second detector units (320) being all mounted on the detector holder (330), wherein the first radiation source plane, the second radiation source plane, the first detector plane and the second detector plane are sequentially distributed in an advancing direction.

10. 发明公开

EP4212917A1 MULTI-CHANNEL STATIC CT EQUIPMENT 审中-实审
公开(公告)号：EP4212917A1
公开(公告)日：2023-07-19
申请号：EP21866076.9
申请日：2021-09-10
申请人： Nuctech Company Limited , Tsinghua University
发明人： CHEN, Zhiqiang , ZHANG, Li , XU, Xiaofei , SHEN, Le , CHANG, Ming , TANG, Hu , JIN, Xin , SUN, Yunda
IPC分类号： G01V5/00 , G01N23/04 , G01N23/046
摘要： A multi-channel static CT device is provided, and the multi-channel static CT device includes: a scanning channel including a plurality of scanning sub-channels; a distributed X-ray source including a plurality of ray emission points arranged around the scanning channel; and a detector module including a plurality of detectors arranged around the scanning channel, wherein the plurality of detectors are arranged corresponding to the plurality of ray emission points.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式