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1. 发明公开

EP4234452A1 AUTOMATIC TRAY SUPPLY APPARATUS, TRAY ORGANIZATION TABLE HAVING SAME, AND SECURITY SYSTEM 审中-实审
公开(公告)号：EP4234452A1
公开(公告)日：2023-08-30
申请号：EP21884850.5
申请日：2021-09-27
申请人： Nuctech Company Limited , Tsinghua University
发明人： CHEN, Zhiqiang , ZHANG, Li , LIANG, Jinning , HUANG, Qingping , HONG, Mingzhi , LU, Yanhua , LI, Bo , LI, Yue , WENG, Majie
IPC分类号： B65G37/02
摘要： An automatically tray feeding device (1), a tray sorting table including the same and a security inspection system including the same are provided. The automatically tray feeding device (1) includes: at least one conveying mechanism (10) configured to convey a tray (80) at different heights; at least one elevating mechanism (20) configured to move a tray (80) on a conveying mechanism (10) at a first height to a conveying mechanism (10) at a second height, the first height being different from the second height; and a sorting table frame (30) configured to carry the at least one conveying mechanism (10) and the at least one elevating mechanism. (20).

2. 发明公开

EP4160276A1 CT SCANNING DEVICE 审中-实审
公开(公告)号：EP4160276A1
公开(公告)日：2023-04-05
申请号：EP21813817.0
申请日：2021-05-24
申请人： Tsinghua University , Nuctech Company Limited
发明人： CHEN, Zhiqiang , ZHANG, Li , HUANG, Qingping , HONG, Mingzhi , ZHANG, Liguo , LI, Guipei
IPC分类号： G01V5/00 , G01N23/046
摘要： There is provided a CT scanning apparatus, including: a support frame; a slip ring rotatably mounted on the support frame; a driving mechanism mounted on the support frame, wherein the driving mechanism includes a driving wheel; a plurality of guide wheels mounted on the support frame; and an endless belt enclosing a closed periphery, wherein the endless belt is in contact with the slip ring, the driving wheel and the guide wheels, so that the driving wheel drives the slip ring and the guide wheels to rotate through the endless belt. The slip ring is in contact with the endless belt on an outer side of the periphery. During mounting, repairing or replacing the endless belt, other components at an outer periphery of the slip ring are not required to be completely removed, so that the operation time of combining the endless belt with the slip ring or removing the endless belt from the slip ring may be significantly shortened.

3. 发明公开

EP3349220A1 GRATING AND RADIATION IMAGING DEVICE 审中-公开
公开(公告)号：EP3349220A1
公开(公告)日：2018-07-18
申请号：EP16843540.2
申请日：2016-08-04
申请人： Tsinghua University , Nuctech Company Limited
发明人： ZHANG, Li , HONG, Mingzhi , HUANG, Qingping , SHEN, Le
IPC分类号： G21K1/06
CPC分类号： G21K1/06 , G02B5/1838 , G21K2201/067
摘要： The disclosure relates to a grating and a radiation imaging device. The grating comprises a plurality of stacked grating elements (1). The grating elements (1) are stacked to form a grid. The grating element (1) comprises a first sheet (11, 21) and a second sheet (12, 22) having two parallel planes. The second sheet (12, 22) is stacked at the first sheet (11, 21) in a length direction of the first sheet (11, 21). The first sheet (11, 21) is almost impervious to radiation. The present disclosure stacks the sheets having different specifications together to form the grating with uniform grating slits, such that there is no limitation on the thickness of the grating and the grating can be used along with high-energy radiations.

4. 发明公开

EP4187286A1 VEHICLE-MOUNTED CT SECURITY INSPECTION SYSTEM 审中-实审
公开(公告)号：EP4187286A1
公开(公告)日：2023-05-31
申请号：EP21846235.6
申请日：2021-06-15
申请人： Tsinghua University , Nuctech Company Limited
发明人： CHEN, Zhiqiang , ZHANG, Li , HUANG, Qingping , LIANG, Jinning , HONG, Mingzhi , CHENG, Yi
IPC分类号： G01V5/00 , G01V8/00 , G01N23/04 , G01N23/046
摘要： A vehicle-mounted CT security inspection system is provided, including: a van truck (100) and a CT security inspection apparatus (200), wherein the CT security inspection apparatus (200) is arranged inside a van body (110) of the van truck (100), the CT security inspection apparatus (200) includes a CT scanner (210), an inlet transmitting mechanism (220) and an outlet transmitting mechanism (230), the CT scanner (210) is configured to detect an article and output a detection result, a longitudinal side wall (120) of the van body (110) has a side opening (121), a tail side wall (130) of the van body (110) has a tail opening (131), and the inlet transmitting mechanism (220) and the outlet transmitting mechanism (230) are respectively in communication with the tail opening (131) and the side opening (121) so as to receive an article to be detected and output a detected article. In the vehicle-mounted CT security inspection system, the CT security inspection technology is used, and multi-dimensional information such as the density and the effective atomic number of the detected object is acquired and used, so that the detection and the alarm of various drugs/explosives inside the luggage may be achieved, providing a higher detection ability and a lower false alarm rate. The vehicle-mounted type provides the security inspection system of the present disclosure with advantages such as mobile flexibility, short arrangement time and the like.

5. 发明公开

EP3477661A1 SHIELD COVER FOR RADIATION SOURCE MACHINE AND SECURITY INSPECTION APPARATUS 有权
公开(公告)号：EP3477661A1
公开(公告)日：2019-05-01
申请号：EP18198409.7
申请日：2018-10-03
申请人： Nuctech Company Limited , Tsinghua University
发明人： ZHANG, Long , ZHANG, Li , HONG, Mingzhi , LIANG, Jinning
IPC分类号： G21F3/00 , G01V5/00 , H05G1/04
摘要： The present disclosure relates to a shield cover for a radiation source machine and a security inspection apparatus. The shield cover (1) comprises: a frame body (10) provided with a receiving chamber (13) for receiving the radiation source machine, an end opening (14) and an ray exit (15) through which rays are emitted out from the radiation source machine; an end cover (20) disposed at the end opening (14) of the frame body (10) and provided with a sealed chamber (23) communicating with the receiving chamber (13); and a connecting member (30) disposed between the end cover (20) and the frame body (10) and provided with an opening (34) for communicating the sealed chamber (23) of the end cover (20) with the receiving chamber (13) of the frame body (10), and the end cover (20) being movably connected to the frame body (10) by the connecting member (30).

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

EP4159135A1 DETECTION PASSAGE, PASSAGE ASSEMBLY AND CT DETECTION DEVICE 审中-实审
公开(公告)号：EP4159135A1
公开(公告)日：2023-04-05
申请号：EP21814230.5
申请日：2021-05-18
申请人： Tsinghua University , Nuctech Company Limited
发明人： CHEN, Zhiqiang , ZHANG, Li , HONG, Mingzhi , WANG, Zinan , HUANG, Qingping
IPC分类号： A61B6/03 , G01N23/04
摘要： Provided are a detection channel (50) for a CT detection device (100), a channel assembly (70) for a CT detection device (100) and a CT detection device (100). The detection channel (50) includes: a base (51) having two open ends, the base (51) is configured to allow an object to be detected to pass through the detection channel (50), wherein the overall detection channel (50) is integrally made of a carbon fiber composite material. The carbon fiber composite material includes a carbon fiber layer (50A), an aramid honeycomb paper layer (50B) and an aramid layer (50C) stacked in sequence.

8. 发明公开

EP3900746A1 TRAY DISINFECTION DEVICE 有权转让
公开(公告)号：EP3900746A1
公开(公告)日：2021-10-27
申请号：EP20216255.8
申请日：2020-12-22
申请人： Nuctech Company Limited , Tsinghua University
发明人： ZHANG, Li , CHEN, Zhiqiang , HUANG, Qingping , HONG, Mingzhi , LI, Yue , LI, Bo , QIU, Minghua , LU, Yanhua
IPC分类号： A61L2/10 , A61L2/26
摘要： The present disclosure provides a tray disinfection device for a security inspection system, including: a frame (10); a disinfection channel (20) on the frame, wherein an ultraviolet disinfection lamp (26) is arranged in the disinfection channel; and a conveying mechanism (30) on the frame and configured to convey a tray to pass through the disinfection channel so as to disinfect the tray through an irradiation of the ultraviolet disinfection lamp. The tray disinfection device rapidly kills bacteria and viruses on the surface of the tray by irradiating the tray during operation with the ultraviolet disinfection lamp arranged in the disinfection channel for a short time, thereby avoiding cross infection of related people caused by touching the tray, and protecting the health and safety of public places.

9. 发明授权

EP3477661B1 SHIELD COVER FOR RADIATION SOURCE MACHINE AND SECURITY INSPECTION APPARATUS 有权
公开(公告)号：EP3477661B1
公开(公告)日：2020-02-19
申请号：EP18198409.7
申请日：2018-10-03
申请人： Nuctech Company Limited , Tsinghua University
发明人： ZHANG, Long , ZHANG, Li , HONG, Mingzhi , LIANG, Jinning
IPC分类号： G21F3/00 , G01V5/00 , H05G1/04

10. 发明授权

EP2749873B1 CT SYSTEM AND DETECTION DEVICE FOR CT SYSTEM 有权
标题翻译： CT系统的CT系统及检测装置
公开(公告)号：EP2749873B1
公开(公告)日：2018-02-21
申请号：EP13840115.3
申请日：2013-07-15
申请人： Nuctech Company Limited , Tsinghua University
发明人： ZHANG, Li , CHEN, Zhiqiang , HUANG, Qingping , SUN, Yunda , JIN, Xin , SHEN, Le , XING, Yuxiang , TANG, Hu , LI, Yuanjing , HONG, Mingzhi , LIANG, Jinning , REN, Qianlu , LI, Liang , DING, Hui , CHANG, Ming
IPC分类号： G01N23/04 , G01T1/20
CPC分类号： A61B6/482 , A61B6/0457 , A61B6/4241 , A61B6/542 , G01N23/046 , G01N2223/419 , G01N2223/643 , G01T1/242 , G01V5/0041 , H01L27/14601 , H01L27/14634 , H01L27/14658 , H01L27/14676 , H01L27/14806 , H01L27/14812
摘要： A detection device for a CT system comprises a low-energy detector assembly; and a high-energy detector assembly disposed under the low-energy detector assembly. The high-energy detector assembly comprises: a plurality of rows of high-energy detectors arranged at predetermined intervals. With the detection device, detectors and data acquisition units are greatly reduced. A high-resolution three-dimensional CT image is acquired while high-accuracy hazardous article alarm is achieved. The cost of manufacture of the system is greatly decreased while high system performance is ensured.

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