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1. 发明申请

US20180164449A1 RADIATION DETECTION APPARATUS AND METHOD, DATA PROCESSING METHOD AND PROCESSOR 审中-公开
公开(公告)号：US20180164449A1
公开(公告)日：2018-06-14
申请号：US15719571
申请日：2017-09-29
申请人： Nuctech Company Limited , Tsinghua University
发明人： Yuanjing Li , Ziran Zhao , Jianmin Li , Yulan Li , Weibin Zhu , Xiang Zou , Qingjun Zhang , Chunguang Zong , Xiaolin Zhao , Shuwei Li , Junxiao Wang
IPC分类号： G01T1/24
CPC分类号： G01T1/248 , G01T1/17
摘要： This disclosure provides a radiation detection apparatus and a method, a data processing method and a processor, which relates to the field of radiation detection technology. Wherein, the radiation detection apparatus of this disclosure comprises: a radiation detector which generates an electrical signal by interacting with X-rays; an Analog-to-Digital Converter (ADC) which is coupled to the radiation detector and transmits the electrical signal to a waveform data; and a data processor which receives the waveform data from the ADC, determines the number of single photon signals according to the waveform data, and determines whether an integral signal and/or a count signal of the waveform data will be used for imaging according to the number of the single photon signals.

2. 发明授权

US10338236B2 Radiation detection apparatus and method, data processing method and processor 有权
公开(公告)号：US10338236B2
公开(公告)日：2019-07-02
申请号：US15719571
申请日：2017-09-29
申请人： NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
发明人： Yuanjing Li , Ziran Zhao , Jianmin Li , Yulan Li , Weibin Zhu , Xiang Zou , Qingjun Zhang , Chunguang Zong , Xiaolin Zhao , Shuwei Li , Junxiao Wang
IPC分类号： G01T1/24 , G01T1/17
摘要： This disclosure provides a radiation detection apparatus and a method, a data processing method and a processor, which relates to the field of radiation detection technology. Wherein, the radiation detection apparatus of this disclosure comprises: a radiation detector which generates an electrical signal by interacting with X-rays; an Analog-to-Digital Converter (ADC) which is coupled to the radiation detector and transmits the electrical signal to a waveform data; and a data processor which receives the waveform data from the ADC, determines the number of single photon signals according to the waveform data, and determines whether an integral signal and/or a count signal of the waveform data will be used for imaging according to the number of the single photon signals.

3. 发明申请

US20180180746A1 DUAL ENERGY DETECTOR AND RADIATION INSPECTION SYSTEM 审中-公开
公开(公告)号：US20180180746A1
公开(公告)日：2018-06-28
申请号：US15853961
申请日：2017-12-26
申请人： NUCTECH COMPANY LIMITED
发明人： Shuwei Li , Qingjun Zhang , Ziran Zhao , Junxiao Wang , Xiang Zou , Bozhen Zhao , Lifeng Sun , Yongqiang Wang
IPC分类号： G01T1/20
CPC分类号： G01T1/2018 , G01V5/0016
摘要： The present application relates to a dual energy detector and a radiation inspection system. The dual energy detector comprises: a detector module mount and a plurality of detector modules. The detector module includes a higher energy detector array and a lower energy detector array, which are juxtaposedly provided on said detector module mount to be independently irradiated. The present application may simplify the arrangement of the photodiodes and printed circuit boards to which the higher and lower energy detector arrays are connected, such that necessary thickness dimension of the detector module mount is reduced, thereby facilitating the installation and use of the dual energy detector of the present application. On the other hand, the radiation beam in the present application may be independently irradiated to the higher and lower energy detector arrays juxtaposed to each other, which reduces to certain extent the mutual restriction during selection of the higher and lower energy detector arrays.

4. 发明授权

US10386502B2 Dual energy detector and radiation inspection system 有权
公开(公告)号：US10386502B2
公开(公告)日：2019-08-20
申请号：US15853961
申请日：2017-12-26
申请人： NUCTECH COMPANY LIMITED
发明人： Shuwei Li , Qingjun Zhang , Ziran Zhao , Junxiao Wang , Xiang Zou , Bozhen Zhao , Lifeng Sun , Yongqiang Wang
IPC分类号： G01T1/20 , G01V5/00
摘要： The present application relates to a dual energy detector and a radiation inspection system. The dual energy detector comprises: a detector module mount and a plurality of detector modules. The detector module includes a higher energy detector array and a lower energy detector array, which are juxtaposedly provided on said detector module mount to be independently irradiated. The present application may simplify the arrangement of the photodiodes and printed circuit boards to which the higher and lower energy detector arrays are connected, such that necessary thickness dimension of the detector module mount is reduced, thereby facilitating the installation and use of the dual energy detector of the present application. On the other hand, the radiation beam in the present application may be independently irradiated to the higher and lower energy detector arrays juxtaposed to each other, which reduces to certain extent the mutual restriction during selection of the higher and lower energy detector arrays.

5. 发明授权

US09618484B2 General sample injector, gas chromatograph and combined spectrometer 有权
公开(公告)号：US09618484B2
公开(公告)日：2017-04-11
申请号：US14577603
申请日：2014-12-19
申请人： NUCTECH COMPANY LIMITED
发明人： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Qiufeng Ma , Ziran Zhao , Yinong Liu , Yaohong Liu , Junxiao Wang , Xiang Zou , Yanchun Wang , Jianping Chang , Linxia Tan
IPC分类号： G01N30/18 , G01N30/12 , G01N30/72 , G01N27/62 , G01N30/20 , G01N30/30 , G01N30/02
CPC分类号： G01N30/18 , G01N27/622 , G01N30/12 , G01N30/20 , G01N30/30 , G01N30/7206 , G01N2030/025
摘要： The present invention discloses a general sample injector, comprising a sample injection port mechanism, a sample injector shell, a vaporizing chamber, a heater, a temperature control unit, a carrier gas channel, a septum purge channel, a flow splitting channel, a coolant channel, a multichannel flow control valve and a temperature control unit. The general sample injector, equivalent to a “programmed temperature vaporizer” injector combining splitting/no splitting with cold column head sample injection, gives full play to the advantages of various sample injection modes, overcomes a plurality of disadvantages, and has higher practicability and better flexibility.

6. 发明公开

US20230168397A1 AREA ARRAY DETECTOR, DETECTION METHOD, AND CORRESPONDING CONTAINER/VEHICLE INSPECTION SYSTEM 审中-公开
公开(公告)号：US20230168397A1
公开(公告)日：2023-06-01
申请号：US17994364
申请日：2022-11-27
申请人： NUCTECH COMPANY LIMITED
发明人： Linxia TAN , Hao Yu , Xiang Zou , Weibin Zhu , Junxiao Wang
IPC分类号： G01T1/29 , G01T1/20 , G01V5/00
CPC分类号： G01T1/2985 , G01T1/2018 , G01V5/005
摘要： This disclosure provides an area array detector, a detection method, and a corresponding container/vehicle inspection system, and relates to the field of ray scanning. The area array detector for the container/vehicle inspection system includes sparsely arranged detector assemblies, and a first detector assembly is different from other second detector assemblies; and a backplane for carrying and mounting detector assemblies, and the area array detector supporting scanning modes is enabled.

7. 发明授权

US10809394B2 Dual-energy detection apparatus and method thereof 有权
公开(公告)号：US10809394B2
公开(公告)日：2020-10-20
申请号：US16365910
申请日：2019-03-27
申请人： Nuctech Company Limited
发明人： Shuwei Li , Qingjun Zhang , Xiang Zou , Bozhen Zhao , Junxiao Wang , Weibin Zhu , Yongqiang Wang , Wenjian Zhang
IPC分类号： G01T1/20 , G01B15/02 , G01N23/04 , G01T1/22 , G01T1/24 , G01V5/00
摘要： The present disclosure provides a dual-energy detection apparatus and method. The dual-energy detection apparatus includes an X-ray source configured to send a first X-ray beam to an object to be measured; a scintillation detector configured to work in an integration mode, and receive a second X-ray beam penetrating through the object to be measured to generate a first electrical signal; a Cherenkov detector configured to be located behind the scintillation detector, work in a counting mode, and receive a third X-ray beam penetrating through the scintillation detector to generate a second electrical signal; and a processor configured to output image, thickness and material information of the object to be measured according to the first electrical signal and the second electrical signal. The dual-energy detection method provided by the present disclosure may acquire an image of the object to be measured that is clearer and contains more information.

8. 发明授权

US09337626B2 Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium 有权
标题翻译：电晕放电组件，离子迁移光谱仪，计算机程序和计算机可读存储介质
公开(公告)号：US09337626B2
公开(公告)日：2016-05-10
申请号：US14577211
申请日：2014-12-19
申请人： Nuctech Company Limited
发明人： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Yanchun Wang , Ziran Zhao , Yinong Liu , Yaohong Liu , Xiang Zou , Qiufeng Ma , Junxiao Wang , Xianghua Li , Jianping Chang
IPC分类号： H01J19/04 , H01T19/00 , G01N27/62 , H01J49/16
CPC分类号： H01T19/00 , G01N27/622 , H01J49/168
摘要： The present invention discloses a corona discharge assembly, an ion mobility spectrometer, an computer program and an computer readable storage medium. The corona discharge assembly includes: an ionization discharge chamber, wherein the ionization discharge chamber includes a metal corona cylinder, and the metal corona cylinder is provided with an inlet of a gas to be analyzed and a trumpet-shaped front port which is conductive to forming a gathered electric field; multiple corona pins, in which on-off of a high voltage can be independently controlled, are installed at the center of the metal corona cylinder in an insulating manner. The present invention further discloses an ion mobility spectrometer using the above-mentioned corona discharge assembly. The present invention can be used to prolong the service life of the integral corona discharge assembly; the discharge voltage of the ion source can be reduced and the discharge stability thereof can be improved; in comparison with the suspended installation of a pin-shaped electrode, since the multiple corona pins are fixed on the PCB, during installation, the position of the electrode can be accurate and stable, thus mass manufacture is easier to achieve.
摘要翻译：本发明公开了电晕放电组件，离子迁移谱仪，计算机程序和计算机可读存储介质。电晕放电组件包括：电离放电室，其中电离放电室包括金属电晕圆筒，并且金属电晕圆筒设置有要分析的气体的入口和导电以形成的喇叭形前端口聚集的电场; 可以独立控制高电压开关的多个电晕针以绝缘方式安装在金属电晕圆筒的中心。本发明还公开了使用上述电晕放电组件的离子迁移谱仪。本发明可用于延长整个电晕放电组件的使用寿命; 可以降低离子源的放电电压，提高其放电稳定性; 与销状电极的悬挂安装相比，由于多个电晕针固定在PCB上，所以在安装过程中，电极的位置可以准确稳定，从而更容易实现批量制造。

9. 发明授权

US09231383B2 Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium 有权
标题翻译：电晕放电组件，离子迁移光谱仪，计算机程序和计算机可读存储介质
公开(公告)号：US09231383B2
公开(公告)日：2016-01-05
申请号：US14578326
申请日：2014-12-19
申请人： NUCTECH COMPANY LIMITED
发明人： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Yanchun Wang , Ziran Zhao , Yinong Liu , Yaohong Liu , Xiang Zou , Qiufeng Ma , Junxiao Wang , Jianping Chang
IPC分类号： H01J49/00 , H01T19/00 , H01J49/16 , G01N27/62
CPC分类号： H01T19/00 , G01N27/622 , H01J49/168
摘要： The present invention discloses a corona discharge assembly, including: an ionization discharge chamber, wherein the ionization discharge chamber includes a metal corona cylinder, and the metal corona cylinder is provided with an inlet of a gas to be analyzed and an annular piece-shaped port which forms a non-uniform electric field with corona pins and is provided with a circular hole at the middle; a rotating shaft is installed on the cylinder wall of the metal corona cylinder in an insulating manner, the rotating shaft is vertical to the axial line of the metal corona cylinder, and a turntable provided with multiple corona pins at the outer edge is installed at the end part of the rotating shaft the axial line of the metal corona cylinder passes in parallel through the rotation plane of the turntable. The present invention further discloses an ion mobility spectrometer using the above-mentioned corona discharge assembly.
摘要翻译：本发明公开了一种电晕放电组件，包括：离子化放电室，其中电离放电室包括金属电晕圆筒，金属电晕圆筒设有待分析气体的入口和环形片状端口其形成具有电晕针的不均匀电场，并在中间设置有圆形孔; 旋转轴以绝缘方式安装在金属电晕圆筒的气缸壁上，旋转轴垂直于金属电晕圆筒的轴线，并且在外边缘处设置有多个电晕针的转盘安装在旋转轴的端部，金属电晕圆筒的轴线平行通过转台的旋转平面。本发明还公开了使用上述电晕放电组件的离子迁移谱仪。

10. 发明申请

US20150188295A1 CORONA DISCHARGE ASSEMBLY, ION MOBILITY SPECTROMETER, COMPUTER PROGRAM AND COMPUTER READABLE STORAGE MEDIUM 有权
标题翻译： CORONA放电组件，离子移动光谱仪，计算机程序和计算机可读存储介质
公开(公告)号：US20150188295A1
公开(公告)日：2015-07-02
申请号：US14577211
申请日：2014-12-19
申请人： Nuctech Company Limited
发明人： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Yanchun Wang , Ziran Zhao , Yinong Liu , Yaohong Liu , Xiang Zou , Qiufeng Ma , Junxiao Wang , Xianghua Li , Jianping Chang
IPC分类号： H01T19/00 , H01J49/16 , G01N27/62
CPC分类号： H01T19/00 , G01N27/622 , H01J49/168
摘要： The present invention discloses a corona discharge assembly, an ion mobility spectrometer, an computer program and an computer readable storage medium. The corona discharge assembly includes: an ionization discharge chamber, wherein the ionization discharge chamber includes a metal corona cylinder, and the metal corona cylinder is provided with an inlet of a gas to be analyzed and a trumpet-shaped front port which is conductive to forming a gathered electric field; multiple corona pins, in which on-off of a high voltage can be independently controlled, are installed at the center of the metal corona cylinder in an insulating manner. The present invention further discloses an ion mobility spectrometer using the above-mentioned corona discharge assembly. The present invention can be used to prolong the service life of the integral corona discharge assembly; the discharge voltage of the ion source can be reduced and the discharge stability thereof can be improved; in comparison with the suspended installation of a pin-shaped electrode, since the multiple corona pins are fixed on the PCB, during installation, the position of the electrode can be accurate and stable, thus mass manufacture is easier to achieve.
摘要翻译：本发明公开了电晕放电组件，离子迁移谱仪，计算机程序和计算机可读存储介质。电晕放电组件包括：电离放电室，其中电离放电室包括金属电晕圆筒，并且金属电晕圆筒设置有要分析的气体的入口和导电以形成的喇叭形前端口聚集的电场; 可以独立控制高电压开关的多个电晕针以绝缘方式安装在金属电晕圆筒的中心。本发明还公开了使用上述电晕放电组件的离子迁移谱仪。本发明可用于延长整个电晕放电组件的使用寿命; 可以降低离子源的放电电压，提高其放电稳定性; 与销状电极的悬挂安装相比，由于多个电晕针固定在PCB上，所以在安装过程中，电极的位置可以准确稳定，从而更容易实现批量制造。

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