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1. 发明申请

WO2007051418A1 METHOD AND EQUIPMENT FOR DISCRIMINATING MATERIALS BY EMPLOYING FAST NEUTRON AND CONTINUOUS SPECTRAL X-RAY 审中-公开
标题翻译：通过使用快速中子和连续光谱X射线鉴别材料的方法和设备
公开(公告)号：WO2007051418A1
公开(公告)日：2007-05-10
申请号：PCT/CN2006/002944
申请日：2006-11-02
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED , KANG, Kejun , HU, Haifeng , XIE, Yali , MIAO, Qitian , YANG, Yigang , LI, Yuanjing , CHEN, Zhiqiang , WANG, Xuewu
发明人： KANG, Kejun , HU, Haifeng , XIE, Yali , MIAO, Qitian , YANG, Yigang , LI, Yuanjing , CHEN, Zhiqiang , WANG, Xuewu
IPC分类号： G01N23/00
CPC分类号： G01N23/04 , G01T3/00 , G01V5/0033
摘要： A method of discriminating materials by employing fast neutron and continuous spectral X-ray comprises the steps of: (a) transmitting a fast neutron beam produced by a fast neutron source and a continuous spectral X-ray beam produced by a continuous spectral X-ray source through inspected objects; (b) directly measuring the intensity of the transmitted X-rays and the intensity of the transmitted neutrons b a X-ray detector array and a neutron detector array respectively; and (c) identifying the materials of the inspected object by Z-dependency curves formed by the attenuation differences between the neutron beam and X-ray beam transmitted through different materials of the inspected object. An equipment makes the usages of high detect efficiency neutron detectors and x-ray detectors by means of the method described above.
摘要翻译：通过采用快中子和连续光谱X射线鉴别材料的方法包括以下步骤：（a）传输由快中子源产生的快中子束和由连续光谱X射线产生的连续光谱X射线束来源通过检查对象; （b）分别直接测量透射的X射线的强度和透射中子的强度b是X射线探测器阵列和中子探测器阵列; 和（c）通过由穿过检测对象的不同材料的中子束和X射线束之间的衰减差形成的Z依赖曲线识别被检物体的材料。一种设备通过上述方法使高检测效率的中子检测器和X射线检测器成为可能。

2. 发明公开

EP4369869A1 RAY GENERATING DEVICE AND CONTROL METHOD THEREOF 审中-公开
公开(公告)号：EP4369869A1
公开(公告)日：2024-05-15
申请号：EP22836881.7
申请日：2022-07-05
申请人： Tsinghua University , Nuctech Company Limited
发明人： KANG, Kejun , LIU, Yaohong , CHEN, Huaibi , ZHANG, Liang , TANG, Chuanxiang , LI, Yuanjing
IPC分类号： H05G1/08 , H05G1/46 , G01V5/00
摘要： The present disclosure relates to a ray generating device and a control method thereof. The ray generating device includes: an electronic beam generating device (2), configured to generate a plurality of electronic beams; a microwave generating device (4), configured to generate a microwave; a microwave circulator (5), having a power input port and at least two power output ports, the power input port being connected to the microwave generating device (4);a plurality of accelerating tubes (3), connected to the electronic beam generating device (2) and respectively connected to the at least two power output ports, configured to respectively receive a plurality of electronic beams, and accelerate the plurality of electronic beams respectively through microwaves received from the at least two power output ports, so as to respectively generate a plurality of rays having at least two different energies; and a controller (1), configured to perform chronological control on microwave power of the microwave generating device (4), and chronological control on beam loadings of the electronic beams generated by the electronic beam generating device (2) and respectively corresponding to the plurality of accelerating tubes (3).

3. 发明公开

EP3768049A1 MULTI-RAY-SOURCE ACCELERATOR AND INSPECTION METHOD 审中-公开
公开(公告)号：EP3768049A1
公开(公告)日：2021-01-20
申请号：EP20186259.6
申请日：2020-07-16
申请人： Tsinghua University , Nuctech Company Limited
发明人： KANG, Kejun , CHEN, Huaibi , LIU, Yaohong , TANG, Chuanxiang , LI, Yuanjing , ZHA, Hao , ZHANG, Liang
IPC分类号： H05H7/18 , H05H9/04 , G01V5/00 , G01V5/08
摘要： Embodiments of the disclosure provide a multi-ray-source accelerator and an inspection method. The multi-ray-source accelerator includes: a plurality of acceleration tubes, each acceleration tube of the plurality of acceleration tubes including an acceleration tube body (12) that defines at least one cavity (11), the plurality of acceleration tubes being arranged in at least one row along a straight line or an arc and connected in series with each other; and a microwave unit (6) configured to provide a microwave field to the plurality of acceleration tubes. The plurality of acceleration tubes are arranged to allow the microwave unit to provide the microwave field from an acceleration tube at one end of the plurality of acceleration tubes so as to accelerate electron beams in cavities of all the acceleration tubes.

4. 发明授权

EP2884269B1 SYSTEM AND METHOD FOR INSPECTING AIRCRAFT 有权
公开(公告)号：EP2884269B1
公开(公告)日：2018-09-12
申请号：EP14786438.3
申请日：2014-07-31
申请人： Tsinghua University , Nuctech Company Limited
发明人： KANG, Kejun , LI, Jianmin , GU, Jingyu , LI, Yuanjing , LI, Yulan , LIU, Yaohong , TAN, Zhen , WU, Yucheng , WANG, Weizhen
IPC分类号： G01N23/04 , G01V5/00
CPC分类号： G01V5/0066 , B64F5/60 , G01N23/04 , G01N23/10 , G01N2223/631 , G01V5/0016 , H01J37/023 , H01L27/14618
摘要： The present disclosure provides a system and method for inspecting an aircraft. A ray source and a detector locate at above and below of a fuselage of an aircraft, respectively. The ray source emits a beam of rays, which pass through the aircraft to be detected. The detector receives and converts the beam of rays that pass through the aircraft to an output signal, and generates a vertical transmission image in real time.

5. 发明公开

EP3236294A3 CONTAINER CT INSPECTION SYSTEM 审中-公开
标题翻译：集装箱CT检测系统
公开(公告)号：EP3236294A3
公开(公告)日：2018-01-24
申请号：EP17163487.6
申请日：2017-03-29
申请人： Nuctech Company Limited , Tsinghua University
发明人： LI, Jianmin , LI, Yulan , ZHANG, Li , LI, Liang , ZONG, Chunguang , YU, Hao , KANG, Kejun , LI, Yuangjing , CHEN, Zhiyiang , MIATO, Qitian , CHENG, Jianping
IPC分类号： G01V5/00
CPC分类号： G01V5/005
摘要： The present invention discloses a container CT inspection system (100), including a scanning device (110), wherein the scanning device (110) includes a radioactive source device (111) and a detector array (112), the scanning device (110) further includes a first rail (113) and a second rail (114), which are respectively arranged on inner layer and outer layer, the radioactive source device (111) is arranged on the first rail (113), and the detector array (112) is arranged on the second rail (114). According to the present invention, the radioactive source device (111) and the detector array (112) are respectively supported by different rails (113, 114), which improves the situation that a ring-shaped rotating frame in the prior art needs to bear a very large load, and for each rail in the first rail (113) and the second rail (114), the strength requirements are greatly reduced relative to the ring-shaped rotating frame, therefore the processing difficulty is effectively reduced compared with the container CT inspection system in the prior art.
摘要翻译：本发明公开了一种容器CT检查系统，包括扫描装置，所述扫描装置包括放射源装置和检测器阵列，所述扫描装置，还包括分别设置在内层和外层上的第一导轨113和第二导轨114，所述放射源装置111设置在所述第一导轨113上，所述探测器阵列112 ）布置在第二轨道（114）上。根据本发明，放射源装置（111）和检测器阵列（112）分别由不同的轨道（113,114）支撑，改善了现有技术中的环形旋转架需要承受的情况非常大的载荷，并且对于第一轨道113和第二轨道114中的每个轨道，相对于环形旋转框架，强度要求大大降低，因此与容器相比加工难度有效地降低现有技术中的CT检查系统。

6. 发明公开

EP3196674A1 METHOD, APPARATUS AND SYSTEM FOR INSPECTING OBJECT BASED ON COSMIC RAY 审中-公开
标题翻译：基于COSMIC RAY检查对象的方法，装置和系统
公开(公告)号：EP3196674A1
公开(公告)日：2017-07-26
申请号：EP17152523.1
申请日：2017-01-20
申请人： Tsinghua University , Nuctech Company Limited
发明人： KANG, Kejun , CHEN, Zhiqiang , LI, Yuanjing , ZHAO, Ziran , LI, Junli , WANG, Xuewu , LIU, Yaohong , ZENG, Zhi , GU, Jianping , LIANG, Song , LIU, Bicheng , XU, Guangming , WANG, Yongqiang
IPC分类号： G01T1/167 , G01V5/00
CPC分类号： G01V5/0075 , G01N2223/205 , G01T1/167 , G01T5/02 , G01V5/0091 , G06K9/6267
摘要： The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording (S110) a movement trajectory of an inspected object by using a monitoring device; acquiring (S120) information of charged particles in the cosmic ray by using a position-sensitive detector, the information of charged particles comprising trajectory information of the charged particles; performing (S130) position coincidence for the movement trajectory and the trajectory information to determine the object; performing (140) trajectory remodeling for the charged particles according to the information of charged particles; and identifying (S150) a material inside the moving object according to the trajectory remodeling. According to the present disclosure, pedestrians who are walking and moving are inspected by using the cosmic ray, and nuclear materials, drugs and explosive materials and the like carried by human bodies may be detected.
摘要翻译：本发明涉及一种基于宇宙射线检测物体的方法，装置和系统，属于辐射成像和安全检测技术领域。该方法包括：利用监测装置记录（S110）检查对象的移动轨迹; 通过使用位置敏感检测器获取（S120）宇宙射线中的带电粒子的信息，带电粒子的信息包括带电粒子的轨迹信息; 对所述移动轨迹和所述轨迹信息执行（S130）位置重合以确定所述对象; 根据带电粒子的信息对带电粒子执行（140）轨迹重塑; 以及根据轨迹重塑识别（S150）移动物体内部的材料。根据本公开，通过使用宇宙射线检查行走和移动的行人，并且可以检测人体携带的核材料，药物和爆炸材料等。

7. 发明授权

EP2520927B1 SCANNING DEVICE USING RADIATION BEAMS FOR BACKSCATTER IMAGING AND METHOD THEREOF 有权
标题翻译：具有巨大传播BACK图片及其方法射线扫描
公开(公告)号：EP2520927B1
公开(公告)日：2016-03-23
申请号：EP10840392.4
申请日：2010-06-28
申请人： Nuctech Company Limited , Tsinghua University
发明人： KANG, Kejun , CHEN, Zhiqiang , LI, Yuanjing , ZHAO, Ziran , LIU, Yinong , WU, Wanlong , LIN, Dong , TANG, Le , TU, Chao , SHEN, Zongjun , DING, Guangwei , JIN, Yingkang , LUO, Xilei , CAO, Shuo
IPC分类号： G21K1/04 , G01N23/203
CPC分类号： G01N23/203 , G21K1/043

8. 发明公开

EP2287636A1 METHOD AND SYSTEM FOR INSPECTING SPECIAL NUCLEAR MATERIAL 审中-公开
标题翻译： VERFAHREN UND SYSTEM ZURÜBERPRÜFUNGVON SPEZIELLEM KERNMATERIAL
公开(公告)号：EP2287636A1
公开(公告)日：2011-02-23
申请号：EP09745369.0
申请日：2009-05-07
申请人： Tsinghua University , Nuctech Company Limited
发明人： KANG, Kejun , YANG, Yigang , MIAO, Qitian , CHEN, Zhiqiang , LI, Yuanjing , SUN, Shangmin , PENG, Hua , YANG, Guang , LIU, Bufu
IPC分类号： G01T1/167 , G01T3/00
CPC分类号： G01T1/00 , G01T3/00 , G01V5/0091
摘要： A method and system for detecting special nuclear materials are disclosed. Said method and system detect the special nuclear materials by making use of the photofission characteristic and thermal neutron induced fission characteristic thereof. In one preferred embodiment, the high density and/or high atomic number region in the object to be detected is also detected first as a suspicious region.
摘要翻译：公开了一种用于检测特殊核材料的方法和系统。所述方法和系统通过利用其光热特性和热中子诱导的裂变特性来检测特殊的核材料。在一个优选实施例中，首先将检测对象物中的高密度和/或高原子序数区域作为可疑区域检测。

9. 发明公开

EP2256477A1 PHASE CONTRAST IMAGING METHOD AND APPARATUS 有权
标题翻译： VEFAHREN UND VORRICHTUNGFÜRPHASENKONTRASTBILDGEBUNG
公开(公告)号：EP2256477A1
公开(公告)日：2010-12-01
申请号：EP09717946.9
申请日：2009-02-16
申请人： Tsinghua University , Nuctech Company Limited
发明人： KANG, Kejun , CHEN, Zhiqiang , ZHANG, Li , WANG, Yingxin , ZHAO, Ziran , LI, Yuanjing , LIU, Yinong , HUANG, Zhifeng , XING, Yuxiang
IPC分类号： G01N21/00
CPC分类号： G01N21/3581
摘要： A method for phase contrast imaging comprises: illuminating an object by terahertz radiation such that the terahertz radiation interacts with the object; illuminating a diffraction grating by the terahertz radiation that has interacted with the object; translating the diffraction grating along the direction of the grating wave vector, to measure, for each of different grating positions, an intensity distribution of the terahertz radiation that has interacted with the object and with the grating in a diffraction field; and retrieving a phase contrast image of the object from the intensity distributions. An apparatus for phase contrast imaging comprises: a terahertz radiation emitter (1) for generating terahertz radiation, which illuminates an object to interact with the object; a diffraction grating (3), which is illuminated by the terahertz radiation that has interacted with the object; a terahertz radiation detector (4) for measuring, for each of different grating positions, an intensity distribution of the terahertz radiation that has interacted with the object and with the grating in a diffraction field; and a data collecting and processing system (6) for retrieving a phase contrast image of the object from the intensity distributions.
摘要翻译：一种用于相位对比成像的方法包括：用太赫兹辐射照射物体，使得太赫兹辐射与物体相互作用; 用与物体相互作用的太赫兹辐射照射衍射光栅; 沿着光栅波矢的方向平移衍射光栅，以测量每个不同的光栅位置，在衍射场中与物体和光栅相互作用的太赫兹辐射的强度分布; 以及从所述强度分布中检索所述对象的相位对比图像。一种用于相位对比成像的装置包括：用于产生太赫兹辐射的太赫兹辐射发射器（1），其照亮物体与物体相互作用; 衍射光栅（3），其被与物体相互作用的太赫兹辐射照射; 一个太赫兹辐射探测器（4），用于针对每个不同的光栅位置，在衍射场中测量与物体和光栅相互作用的太赫兹辐射的强度分布; 以及用于从所述强度分布中检索所述对象的相位对比图像的数据收集和处理系统（6）。

10. 发明公开

EP2085771A1 METHOD AND DEVICE FOR SECURITY-INSPECTION OF LIQUID ARTICLES WITH RADIATIONS 有权
标题翻译： VERFAHREN UND VORRICHTUNGFÜRFLÜSSIGARTIKELSTRAHLUNG-SICHERHEITSINSPEKTION
公开(公告)号：EP2085771A1
公开(公告)日：2009-08-05
申请号：EP06817965.4
申请日：2006-12-07
申请人： Nuctech Company Limited , Tsinghua University
发明人： HU, Haifeng , LI, Yuanjing , KANG, Kejun , CHEN, Zhiqiang , LIU, Yinong , LI, Yulan , ZHANG, Li , WU, Wanlong , ZHAO, Ziran , LUO, Xilei , SANG, Bin
IPC分类号： G01N23/06
CPC分类号： G01N23/10
摘要： Disclosed is a method and a device for security-inspection of liquid articles with radiations, which relate to the field of radiation inspection technology. The method comprises steps of acquiring original environment information, emitting radiation beams to transmit the liquid articles, receiving the radiation beams transmitted through the liquid articles to form multi-angle projection data, computing a radiation absorption coefficient of the liquid articles to be detected by inverse operation of the multi-angle projection data, based on the initial environmental information and the uniformity of the liquid articles, and comparing the radiation absorption coefficients with the preset data to get the relevant information of the liquid articles. Comparing with the prior art, the present invention is not subjected to affection of outer package of the liquid article, and is advantageous of high anti-jamming, high accuracy, high safety and reliability, low cost and small size.
摘要翻译：本发明涉及一种辐射检测技术领域的辐射液体制品的安全检查方法和装置。该方法包括以下步骤：获取原始环境信息，发射辐射束以透射液体物品，接收通过液体物品传播的辐射束以形成多角度投影数据;计算待反射的待检测液体物品的辐射吸收系数根据初始环境信息和液体物品的均匀性，对多角度投影数据进行操作，并将辐射吸收系数与预设数据进行比较，得到液体物品的相关信息。与现有技术相比，本发明不受液体制品的外包装的影响，具有抗干扰性高，精度高，安全可靠，成本低，尺寸小的优点。

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