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公开(公告)号：US20190204242A1
公开(公告)日：2019-07-04
申请号：US16234621
申请日：2018-12-28
发明人： Xiulin NI , Jianmin LI , Haitian TAN , Yulan LI , Weifeng YU , Yuanjing LI , Hejun ZHOU , Zhiqiang CHEN , Chunguang ZONG , Li ZHANG
IPC分类号： G01N23/046 , G01V5/00
CPC分类号： G01N23/046 , G01N2223/401 , G01V5/005
摘要： The present disclosure relates to the technical field of CT detection, in particular to a CT inspection system and a CT imaging method. The CT inspection system provided by the present disclosure includes a scanning device and an imaging device, wherein the scanning device having a radioactive source device and a detection device is configured to rotate at a non-uniform speed in at least partial process of scanning an object to be detected; and the imaging device generates a CT image based on effective detection data, wherein the effective detection data refer to data acquired each time the detection device rotates by a preset angle. In the present disclosure, the imaging device of the CT inspection system generates a CT image based on data acquired each time the detection device rotates by a preset angle, which, compared with traditional image collection solutions, can effectively reduce image deformation and improve accuracy of detection results.
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公开(公告)号：US20160170073A1
公开(公告)日：2016-06-16
申请号：US14965122
申请日：2015-12-10
发明人： Jianmin LI , Yulan LI , Jingyu GU , Yuanjing LI , Quanwei SONG , Weizhen WANG , Dongyu WANG , Zhiqiang CHEN , Chaunxiang TANG , Yinong LIU , Junli LI , Tao XUE , Hui Gong , Xuewu WANG
CPC分类号： G01V5/0016 , B60R11/00 , B60R2011/004
摘要： A vehicle mounted mobile container or vehicle inspection system, including: a radiation source, a movable vehicle for carrying the inspection system, and a detector arm rack which has a horizontal arm and a vertical arm, a first end of the horizontal arm is connected to the vehicle and a second end thereof is connected to an end of the vertical arm. The horizontal arm and the vertical arm are connected by a pivotal connecting device such that the vertical arm may pivot in a vertical plane, and the horizontal arm and the vertical arm may be retracted in a same horizontal plane. The novel arm rack construction may reduce the space occupied by it on top of the scanning vehicle after the arm rack is stowed so as to reduce the eight of the scanning vehicle under running condition.
摘要翻译： 一种车载移动容器或车辆检查系统，包括：辐射源，用于携带检查系统的移动车辆和具有水平臂和垂直臂的检测器臂架，水平臂的第一端连接到 车辆及其第二端连接到垂直臂的一端。 水平臂和垂直臂通过枢转连接装置连接，使得垂直臂可以在垂直平面中枢转，并且水平臂和垂直臂可以在相同的水平面中缩回。 新型臂架结构可以在搁架臂架之后减小扫描车辆顶部占据的空间，以便在运行状态下减少扫描车辆的八个。
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公开(公告)号：US20190204469A1
公开(公告)日：2019-07-04
申请号：US16234632
申请日：2018-12-28
发明人： Hao YU , Ying LI , Weizhen WANG , Quanwei SONG , Dongyu WANG , Haojie CHI , Jianmin LI , Yulan LI , Chunguang ZONG , Zhiqiang CHEN , Yuanjing LI , Li ZHANG
IPC分类号： G01V5/00 , G01N23/203
CPC分类号： G01V5/0025 , G01N23/203
摘要： The present disclosure discloses a vehicle-mounted type back scattering inspection system. The vehicle-mounted type back scattering inspection system includes a carriage and a back scattering imaging device, the scanning range of the back scattering imaging device is variable. As the scanning range of the back scattering imaging device of the present disclosure is variably set, the inspection range of the back scattering imaging device can be expanded.
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公开(公告)号：US20190193691A1
公开(公告)日：2019-06-27
申请号：US16233398
申请日：2018-12-27
发明人： Yuan HE , Jianmin LI , Hongqi LI , Yulan LI , Qiangqiang WANG , Yuanjing LI , Zhiqiang CHEN , Li ZHANG
IPC分类号： B60S13/00
CPC分类号： B60S13/00 , B60S5/00 , B62D49/02 , B62D49/0692
摘要： A fork-arm lift tractor includes a vehicle body, a supporting plate disposed above the vehicle body, a lifting device for driving the supporting plate to be lifted, a front and rear fork-arm assemblies, a front and rear fork-arm drive assemblies. The front fork-arm assembly includes two front fork-arms rotatably disposed at the supporting plate. The rear fork-arm assembly includes two rear fork-arms rotatably disposed at the supporting plate, and the front and rear fork-arms may be deployed or retracted from both sides of the supporting plate. The front fork-arm driving assembly includes a front transmission part, and a front power device disposed at the supporting plate and may drive the front transmission part to move horizontally linearly so as to rotate the two front fork-arms. The rear fork-arm driving assembly has almost the same structure of the front fork-arm driving assembly and is used to rotate the two rear fork-arms.
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公开(公告)号：US20160018537A1
公开(公告)日：2016-01-21
申请号：US14800635
申请日：2015-07-15
发明人： Lan ZHANG , Yulan LI , Yuanjing LI , Jianqiang FU , Yingshuai DU , Wei ZHANG , Xuming MA , Jun LI
摘要： The present invention provides a method and apparatus for processing signals of a semiconductor detector, including: acquiring a relationship of a time difference between anode and cathode signals of the semiconductor detector with an anode signal amplitude; obtaining an optimal data screening interval according to the relationship of the time difference between anode and cathode signals of the semiconductor detector with the anode signal amplitude, wherein the optimal data screening interval is an interval where the time difference between the anode and cathode signals is greater than 50 ns; and screening and processing the collected data according to the optimal data screening interval when the semiconductor detector collects data. The present invention better overcomes the inherent crystal defects of the detector, reduces the effect of background noise, increases the energy resolution of the cadmium zinc telluride detector under room temperature, and improves the peak-to-compton ratio.
摘要翻译： 本发明提供了一种用于处理半导体检测器的信号的方法和装置，包括：用阳极信号振幅获取半导体检测器的阳极和阴极信号之间的时间差的关系; 根据半导体检测器的阳极和阴极信号的时间差与阳极信号幅度的关系获得最佳数据筛选间隔，其中最佳数据筛选间隔是阳极和阴极信号之间的时间差较大的间隔 超过50 ns; 并且当半导体检测器收集数据时，根据最佳数据筛选间隔筛选和处理收集的数据。 本发明更好地克服了检测器的固有晶体缺陷，降低了背景噪声的影响，提高了碲化锌碲化镉检测器在室温下的能量分辨率，提高了峰 - 峰比。
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公开(公告)号：US20210223416A1
公开(公告)日：2021-07-22
申请号：US16314048
申请日：2018-12-11
发明人： Yulan LI , Hong LI , Jianping CHANG , Zhi ZHANG , Jianmin LI
摘要： The present disclosure provides a high purity germanium detector. The high purity germanium detector includes: an array of high purity germanium crystal units including two or more high purity germanium crystal units, wherein, each of the two or more high purity germanium crystal units comprises a partial electrode on a side surface and/or a first top surface, and the electrodes on the side surfaces and/or the first top surfaces of the two or more high purity germanium crystal units are electrically connected together to form a first contact electrode of the high purity germanium detector; and each of the high purity germanium crystal units comprises a respective second contact electrode therein, such that the high purity germanium detector comprises two or more second contact electrodes.
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公开(公告)号：US20190204243A1
公开(公告)日：2019-07-04
申请号：US16234625
申请日：2018-12-28
发明人： Kejun KANG , Jianmin LI , Xiulin NI , Yulan LI , Yuanjing LI , Zhiqiang CHEN , Li ZHANG , Liang LI , Xiang ZOU , Weifeng YU , Hejun ZHOU , Chunguang ZONG
IPC分类号： G01N23/046
CPC分类号： G01N23/046 , G01N2223/33 , G01V5/005
摘要： The present disclosure relates to the technical field of CT detection, and in particular to a CT inspection system and a CT imaging method. The CT inspection system provided by the present disclosure comprises a radioactive source device, a detection device, a rotation monitoring device and an imaging device, wherein the detection device obtains detection data at a frequency that is N times a beam emitting frequency of the radioactive source device; the rotation monitoring device detects a rotation angle of the detection device and transmits a signal to the imaging device each time the detection device rotates by a preset angle; the imaging device determines a rotational position of the detection device each time the radioactive source device emits a beam according to the signal transmitted by the rotation monitoring device and the detection data of the detection device.
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公开(公告)号：US20170184735A1
公开(公告)日：2017-06-29
申请号：US15280106
申请日：2016-09-29
发明人： Yigang YANG , Yuanjing LI , Zhujun FANG , Yulan LI
IPC分类号： G01T3/00
摘要： The present application, pertaining to the field of slow neutron detection, relates to a slow neutron converter and a slow neutron detector. The slow neutron converter includes a substrate, the substrate including a plurality of holes extending along a first direction and insulating walls between the plurality of holes, wherein the plurality of holes are through holes. The slow neutron converter further includes a boron layer at least covering an exposed surface of the plurality of holes. The slow neutron converter and the slow neutron detector having the slow neutron converter according to the present disclosure are capable of maintaining a high slow neutron detection efficiency. In addition, the manufacturing complexity and manufacturing cost of the detector are reduced, and thus the effective, convenient and low-cost slow neutron detection is achieved.
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公开(公告)号：US20160061989A1
公开(公告)日：2016-03-03
申请号：US14841991
申请日：2015-09-01
发明人： Kejun KANG , Jingyu GU , Zhiqiang CHEN , Jianmin LI , Yuanjing LI , Yulan LI , Dongyu WANG
IPC分类号： G01V5/00
CPC分类号： G01V5/0066 , G01V5/0016
摘要： A vehicle-mounted inspection system comprises: a chassis; a rotation mechanism disposed on the chassis; a first ray emission device connected to the rotation mechanism and configured to emit a ray; a first detection device connected to the rotation mechanism and configured to receive the ray emitted by the first ray emission device; and a second ray emission device connected to the rotation mechanism and configured to emit a ray. The rotation mechanism is configured to rotate the first ray emission device, the first detection device and the second ray emission device substantially around an upright axis between a retracted position and an operating position.
摘要翻译： 车载检查系统包括：底盘; 设置在所述底盘上的旋转机构; 连接到所述旋转机构并被配置为发射光线的第一射线发射装置; 连接到所述旋转机构并被配置为接收由所述第一射线发射装置发射的射线的第一检测装置; 以及连接到所述旋转机构并被配置为发射光线的第二射线发射装置。 旋转机构构造成使第一射线发射装置，第一检测装置和第二射线发射装置基本上在缩回位置和操作位置之间的直立轴线周围旋转。
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公开(公告)号：US20190204244A1
公开(公告)日：2019-07-04
申请号：US16234630
申请日：2018-12-28
发明人： Hao YU , Ying LI , Weizhen WANG , Quanwei SONG , Dongyu WANG , Haojie CHI , Jianmin LI , Yulan LI , Chunguang ZONG , Zhiqiang CHEN , Yuanjing LI , Li ZHANG
IPC分类号： G01N23/203 , G01V5/00
CPC分类号： G01N23/203 , G01V5/0025
摘要： The present disclosure discloses a vehicle-mounted type back scattering inspection system. The back scattering imaging device has a vehicle-mounted working state and a ground working state, and in the vehicle-mounted working state, the back scattering imaging device performs inspection work in the carriage; in the ground working state, the back scattering imaging device performs the inspection work on the ground at the outside of the carriage; and the back scattering imaging device is separately arranged relative to the carriage and is movable between the carriage and the ground to switch between the vehicle-mounted working state and the ground working state.
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