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公开(公告)号：US20190234904A1
公开(公告)日：2019-08-01
申请号：US16376983
申请日：2019-04-05
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Huishao He , Qiufeng Ma , Weiping Zhu , Xiang Zou , Jianping Chang , Song Liang
Abstract: A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.
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公开(公告)号：US10281432B2
公开(公告)日：2019-05-07
申请号：US15280744
申请日：2016-09-29
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Huishao He , Qiufeng Ma , Weiping Zhu , Xiang Zou , Jianping Chang , Song Liang
IPC: H01J49/00 , G01N27/62 , H01J49/04 , G01N1/02 , G01N1/22 , G01N1/40 , G01N30/60 , G01N30/72 , G01N1/42
Abstract: A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating samples from the pre-processing device and for analyzing the separated samples. The detection apparatus is miniaturized and highly precise, and is capable of quickly and accurately detecting gaseous phase or particulate substances, and it has applications for safety inspections at airports, ports, and subway stations.
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公开(公告)号：US10151671B2
公开(公告)日：2018-12-11
申请号：US15238598
申请日：2016-08-16
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Huishao He , Qiufeng Ma , Ziran Zhao , Yinong Liu , Yaohong Liu , Weiping Zhu , Xiang Zou , Jianping Chang
Abstract: A sampling device and a gas curtain guide are disclosed. In one aspect, the sampling device includes a chamber body. The chamber body includes a sample inlet, located at a first end of the chamber body, configured for suction of a sample. The chamber body further includes a sample outlet, located adjacent to a second end opposite to the first end of the chamber body, configured to discharge the sample. The chamber body further includes a gas inflation inlet, in a wall of the chamber body, configured to introduce a swirl gas flow into the chamber body. The chamber body further includes a gas exhaust opening configured to discharge gas so as to, together with the gas inflation inlet, generate a tornado type gas flow in the chamber body, which moves spirally from the first end to the second end of the chamber body.
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公开(公告)号：US09869775B2
公开(公告)日：2018-01-16
申请号：US14983411
申请日：2015-12-29
Applicant: Tsinghua University , Nuctech Company Limited
Inventor： Yanchun Wang , Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Jianping Chang , Wenjian Zhang , Shuqing Zhao , Xiang Zou , Yongqiang Wang
CPC classification number: G01T1/2018
Abstract: A method for processing a ceramic scintillator array, characterized in that, comprising the following steps: (a) forming, in a first direction, a predetermined number of straight first-direction through-cuts which are parallel to each other and spaced from each other on a scintillator substrate by using laser; (b) adequately filling the first-direction through-cuts with an adhesive and solidifying the adhesive; (c) forming, in a second direction. a predetermined number of second direction through-cuts which are parallel to each other at a predetermined interval on the scintillator substrate by using laser, wherein the second direction is perpendicular to the first direction; and (d) adequately filling the second direction through-cuts with the adhesive and solidifying the adhesive bond.
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公开(公告)号：US20160341695A1
公开(公告)日：2016-11-24
申请号：US15115217
申请日：2015-12-24
Applicant: NUCTECH COMPANY LIMITED
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Qiufeng Ma , Huishao He , Weiping Zhu , Xiang Zou , Jianping Chang , Song Liang
CPC classification number: G01N27/622 , G01N27/64 , G01N30/30 , G01N30/46 , G01N30/466 , G01N2030/3038
Abstract: The present invention discloses a gas analyzing apparatus and a sampling device. The gas analyzing apparatus includes a sampling device and an ion mobility spectrum analysis device. The sampling device includes a multi-capillary column and a temperature control system. The ion mobility spectrum analysis device is adapted for analyzing a gas leaded-in by the sampling device and includes a reaction cavity for reaction between sample molecules and reaction ions, the cavity having a sampling opening for leading-in of the gas. An outlet end of the multi-capillary column is inserted directly into the cavity of the ion mobility spectrum analysis device through the sampling opening of the ion mobility spectrum analysis device.
Abstract translation: 本发明公开了一种气体分析装置和取样装置。 气体分析装置包括取样装置和离子迁移谱分析装置。 采样装置包括多毛细管柱和温度控制系统。 离子迁移谱分析装置适用于分析由采样装置引入的气体，并且包括用于在样品分子和反应离子之间反应的反应腔，空腔具有用于导入气体的取样开口。 多毛细管柱的出口端通过离子迁移谱分析装置的采样口直接插入到离子迁移谱分析装置的空腔中。
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Patent Agency Ranking
26.发明授权Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium 有权电晕放电组件，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
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Yanchun Wang , Ziran Zhao , Yinong Liu , Yaohong Liu , Xiang Zou , Qiufeng Ma , Junxiao Wang , Xianghua Li , Jianping Chang
CPC classification number: H01T19/00 , G01N27/622 , H01J49/168
Abstract: 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.
Abstract translation: 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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27.发明授权Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium 有权电晕放电组件，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
Applicant: NUCTECH COMPANY LIMITED
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Yanchun Wang , Ziran Zhao , Yinong Liu , Yaohong Liu , Xiang Zou , Qiufeng Ma , Junxiao Wang , Jianping Chang
CPC classification number: H01T19/00 , G01N27/622 , H01J49/168
Abstract: 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.
Abstract translation: 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。
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28.发明申请CORONA DISCHARGE ASSEMBLY, ION MOBILITY SPECTROMETER, COMPUTER PROGRAM AND COMPUTER READABLE STORAGE MEDIUM 有权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
Applicant: Nuctech Company Limited
Inventor： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Yanchun Wang , Ziran Zhao , Yinong Liu , Yaohong Liu , Xiang Zou , Qiufeng Ma , Junxiao Wang , Xianghua Li , Jianping Chang
CPC classification number: H01T19/00 , G01N27/622 , H01J49/168
Abstract: 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.
Abstract translation: 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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29.发明公开公开(公告)号：US20230168397A1
公开(公告)日：2023-06-01
申请号：US17994364
申请日：2022-11-27
Applicant: NUCTECH COMPANY LIMITED
Inventor： Linxia TAN , Hao Yu , Xiang Zou , Weibin Zhu , Junxiao Wang
CPC classification number: G01T1/2985 , G01T1/2018 , G01V5/005
Abstract: 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.
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公开(公告)号：US10809394B2
公开(公告)日：2020-10-20
申请号：US16365910
申请日：2019-03-27
Applicant: Nuctech Company Limited
Inventor： Shuwei Li , Qingjun Zhang , Xiang Zou , Bozhen Zhao , Junxiao Wang , Weibin Zhu , Yongqiang Wang , Wenjian Zhang
Abstract: 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.
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