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1. 发明授权

US07424094B2 Gamma radiation imaging system for non-destructive inspection of the luggage 失效
标题翻译：伽玛辐射成像系统用于行李箱的无损检测
公开(公告)号：US07424094B2
公开(公告)日：2008-09-09
申请号：US10542740
申请日：2004-06-25
申请人： Jigang An , Yisi Liu , Xincheng Xiang , Haifeng Wu , Zhifang Wu , Liqiang Wang
发明人： Jigang An , Yisi Liu , Xincheng Xiang , Haifeng Wu , Zhifang Wu , Liqiang Wang
IPC分类号： G01N23/04
CPC分类号： G01N23/046 , G01N23/04 , G01N2223/419 , G01V5/0016 , G01V5/005 , G21K5/10
摘要： Gamma radiation imaging system for non-destructive inspection of the luggage contains a DR sub-system, which obtains the projected image of the luggage by translationally scanning, and a CT sub-system, which obtains the tornograph image of the luggage by rotating scanning. Said DR sub-system includes a fixed gantry, a conveyor system, a radiation source mounted on the fixed gantry, front and back collimators, and the array detector. Said CT sub-system includes a rotating gantry, a conveyor system, a radiation source mounted on the rotating gantry, front and back collimators, and the array detector, wherein, the radiation source in said CT sub-system is 192Ir or 75Se radioactive isotope gamma source with high specific activity. Said gamma source is enclosed in a shield chamber with a projecting opening. The shield chamber is mounted on said rotating gantry. Said array detector is adapted for detecting gamma ray of 192Ir or 75Se radioactive isotope; The radiation source in said DR sub-system is 192Ir or 75Se radioactive isotope gamma source with high specific activity, said gamma source is enclosed in a shield chamber with a projecting opening. The shield chamber is mounted on said fixed gantry. Said array detector is adapted for detecting gamma ray of 192Ir or 75Se radioactive isotope.
摘要翻译：用于行李无损检测的伽马射线成像系统包含DR子系统，通过平移扫描获取行李的投影图像，以及CT子系统，通过旋转扫描获取行李的地震图像。所述DR子系统包括固定机架，输送机系统，安装在固定机架上的辐射源，前后准直仪和阵列检测器。所述CT子系统包括旋转机架，传送系统，安装在旋转机架上的辐射源，前后准直仪和阵列检测器，其中，所述CT子系统中的辐射源为“ / SUP> Ir或<75> Se具有高比活度的放射性同位素γ源。所述伽马源封闭在具有突出开口的屏蔽室中。屏蔽室安装在所述旋转机架上。所述阵列检测器适用于检测gamma detecting Ir Ir Ir or Se Se Se detecting detecting detecting detecting;;;;;;;;;;; 所述DR子系统中的辐射源是具有高比活性的192放射性同位素γ源，所述伽马源封装在具有突出开放屏蔽室安装在所述固定机架上。所述阵列检测器适用于检测192和/或75Se放射性同位素的γ射线。

2. 发明授权

US09689670B2 Thickness and convexity detection device for plate strip 有权
公开(公告)号：US09689670B2
公开(公告)日：2017-06-27
申请号：US14009123
申请日：2012-03-29
申请人： Zhifang Wu , Jigang An , Yuai Zhang , Jichen Miao , Litao Li , Guilai Xing , Liqiang Wang , Zhentao Wang , Ximing Liu , Jian Zheng , Yibin Huang , Xiaojing Guo , Chunming Tan
发明人： Zhifang Wu , Jigang An , Yuai Zhang , Jichen Miao , Litao Li , Guilai Xing , Liqiang Wang , Zhentao Wang , Ximing Liu , Jian Zheng , Yibin Huang , Xiaojing Guo , Chunming Tan
IPC分类号： G01B15/04 , G01B15/02 , G01N33/20
CPC分类号： G01B15/02 , G01B15/04 , G01N33/20
摘要： The invention relates to a device for detecting the thickness and crown of plates and strips, belonging to the field of nuclear technology applications. The device comprises a C-frame; two ray source mounted in an upper arm of the C-frame and distributed at an interval along the width direction of a steel plate/strip; two rows of gas-pressurized ionization chamber detector arrays mounted in a lower arm of the C-frame and distributed at an interval along the moving direction of the plate/strip; collimators mounted below the two ray source, the collimators enabling the rays of each ray source to only irradiate to a corresponding row of detectors; pre-amplifier modules connected with the detector arrays; a data collector connected with the pre-amplifier modules; a data processing and displaying computer connected with the data collector; and a cooling water and pressurized air service system and a control system for ensuring system operation and monitoring. The device of the invention is simple in structure and high in dynamic measurement accuracy, and the detectors have the advantages of small temperature drift, irradiation resistance, high spatial resolution, high cost performance and the like.

3. 发明申请

US20150226549A1 THICKNESS AND CONVEXITY DETECTION DEVICE FOR PLATE STRIP 有权
标题翻译：板条厚度和侵入检测装置
公开(公告)号：US20150226549A1
公开(公告)日：2015-08-13
申请号：US14009123
申请日：2012-03-29
申请人： Zhifang Wu , Jigang An , Yuai Zhang , Jichen Miao , Litao Li , Guilai Xing , Liqiang Wang , Zhentao Wang , Ximing Liu , Jian Zheng , Yibin Huang , Xiaojing Guo , Chunming Tan
发明人： Zhifang Wu , Jigang An , Yuai Zhang , Jichen Miao , Litao Li , Guilai Xing , Liqiang Wang , Zhentao Wang , Ximing Liu , Jian Zheng , Yibin Huang , Xiaojing Guo , Chunming Tan
IPC分类号： G01B15/02 , G01B15/04 , G01N33/20
CPC分类号： G01B15/02 , G01B15/04 , G01N33/20
摘要： The invention relates to a device for detecting the thickness and crown of plates and strips, belonging to the field of nuclear technology applications. The device comprises a C-frame; two ray source mounted in an upper arm of the C-frame and distributed at an interval along the width direction of a steel plate/strip; two rows of gas-pressurized ionization chamber detector arrays mounted in a lower arm of the C-frame and distributed at an interval along the moving direction of the plate/strip; collimators mounted below the two ray source, the collimators enabling the rays of each ray source to only irradiate to a corresponding row of detectors; pre-amplifier modules connected with the detector arrays; a data collector connected with the pre-amplifier modules; a data processing and displaying computer connected with the data collector; and a cooling water and pressurized air service system and a control system for ensuring system operation and monitoring. The device of the invention is simple in structure and high in dynamic measurement accuracy, and the detectors have the advantages of small temperature drift, irradiation resistance, high spatial resolution, high cost performance and the like.
摘要翻译：本发明涉及一种用于检测板材和带材的厚度和表冠的装置，属于核技术应用领域。该装置包括一个C帧; 两个射线源安装在C形框架的上臂中，沿着钢板/条带的宽度方向间隔分布; 两排气体加压电离室检测器阵列，其安装在C形框架的下臂中并沿着板/条的移动方向以间隔分布; 安装在两个射线源下方的准直器，使得每个射线源的射线只能照射到相应的检测器行的准直器; 与检测器阵列连接的前置放大器模块; 与前置放大器模块连接的数据采集器; 与数据收集器连接的数据处理和显示计算机; 以及冷却水和加压空气服务系统以及用于确保系统运行和监控的控制系统。本发明的装置结构简单，动态测量精度高，检测器具有温度漂移小，耐辐照，空间分辨率高，成本高等特点。

4. 发明授权

US5796110A Gas ionization array detectors for radiography 失效
标题翻译：用于放射照相的气体电离阵列检测器
公开(公告)号：US5796110A
公开(公告)日：1998-08-18
申请号：US525580
申请日：1995-09-18
申请人： Jigang An , Haifeng Wu
发明人： Jigang An , Haifeng Wu
IPC分类号： G01T1/185 , H01J47/00 , H01J47/02
CPC分类号： H01J47/02
摘要： The present invention provides a device of gas array detectors for high energy X or .gamma.-rays radiography. This device comprises a plurality of gas-pressurized array ion-chamber units mounted on a frame. Each of the gas-pressurized array ion-chamber units is constituted by pressure proof case (1,5), window (2), strap electrodes system (3), electrodes system support (4) and high pressure gas filled therein. The output signals of the detectors depend on the ionizing effect caused by the secondary electrons produced by the interactions of the X, .gamma.-rays and the high pressure gas.
摘要翻译： PCT No.PCT / CN94 / 00008 Sec。 371 1995年9月18日第 102（e）1995年9月18日PCT PCT 1994年1月31日PCT公布。第WO94 / 22163号公报日期1994年9月29日本发明提供了一种用于高能X射线或γ射线照相术的气体阵列检测器的装置。该装置包括安装在框架上的多个气体加压阵列离子室单元。每个气体加压阵列离子室单元由耐压壳体（1,5），窗口（2），带状电极系统（3），电极系统支撑件（4）和填充在其中的高压气体构成。检测器的输出信号取决于由X，γ射线和高压气体的相互作用产生的二次电子产生的电离效应。

5. 发明申请

US20060182218A1 Gamma radiation imaging system for non-destructive inspection of the luggage 失效
标题翻译：伽玛辐射成像系统用于行李箱的无损检测
公开(公告)号：US20060182218A1
公开(公告)日：2006-08-17
申请号：US10542740
申请日：2004-06-25
申请人： Jigang An
发明人： Jigang An
IPC分类号： G01N23/04
CPC分类号： G01N23/046 , G01N23/04 , G01N2223/419 , G01V5/0016 , G01V5/005 , G21K5/10
摘要： Gamma radiation imaging system for non-destructive inspection of the luggage contains a DR sub-system, which obtains the projected image of the luggage by translationally scanning, and a CT sub-system, which obtains the tornograph image of the luggage by rotating scanning. Said DR sub-system includes a fixed gantry, a conveyor system, a radiation source mounted on the fixed gantry, front and back collimators, and the array detector. Said CT sub-system includes a rotating gantry, a conveyor system, a radiation source mounted on the rotating gantry, front and back collimators, and the array detector, wherein, the radiation source in said CT sub-system is 192Ir or 75Se radioactive isotope gamma source with high specific activity. Said gamma source is enclosed in a shield chamber with a projecting opening. The shield chamber is mounted on said rotating gantry. Said array detector is adapted for detecting gamma ray of 192Ir or 75Se radioactive isotope; The radiation source in said DR sub-system is 192Ir or 75Se radioactive isotope gamma source with high specific activity, said gamma source is enclosed in a shield chamber with a projecting opening. The shield chamber is mounted on said fixed gantry. Said array detector is adapted for detecting gamma ray of 192Ir or 75Se radioactive isotope.
摘要翻译：用于行李无损检测的伽马射线成像系统包含DR子系统，通过平移扫描获取行李的投影图像，以及CT子系统，通过旋转扫描获取行李的地震图像。所述DR子系统包括固定机架，输送机系统，安装在固定机架上的辐射源，前后准直仪和阵列检测器。所述CT子系统包括旋转机架，传送系统，安装在旋转机架上的辐射源，前后准直仪和阵列检测器，其中，所述CT子系统中的辐射源为“ / SUP> Ir或<75> Se具有高比活度的放射性同位素γ源。所述伽马源封闭在具有突出开口的屏蔽室中。屏蔽室安装在所述旋转机架上。所述阵列检测器适用于检测gamma detecting Ir Ir Ir or Se Se Se detecting detecting detecting detecting;;;;;;;;;;; 所述DR子系统中的辐射源是具有高比活性的192放射性同位素γ源，所述伽马源封装在具有突出开放屏蔽室安装在所述固定机架上。所述阵列检测器适用于检测192和/或75Se放射性同位素的γ射线。

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