-
公开(公告)号：US20220099601A1
公开(公告)日：2022-03-31
申请号：US17420681
申请日：2020-01-03
Inventor： Zhiqiang CHEN , Yuanjing LI , Li ZHANG , Jianmin LI , Shangmin SUN , Chunguang ZONG , Yu HU , Quanwei SONG , Hejun ZHOU , Weifeng YU , Jinguo CAO , Bing FU
IPC: G01N23/10 , G01N23/04 , G01N23/083
Abstract: The present disclosure provides a radiation inspection apparatus and a radiation inspection method. The radiation inspection apparatus includes: a radiation inspection device comprising a ray source and a detector that cooperates with the ray source to perform scanning inspection on an object to be inspected, the radiation inspection device having an inspection channel for the object to be inspected to pass through when scanning inspection is performed thereon; and traveling wheels provided at the bottom of the radiation inspection device to enable the radiation inspection apparatus to travel in an extension direction of the inspection channel, and the traveling wheels are configured to rotate 90° to enable the radiation inspection apparatus to travel in a direction perpendicular to the extension direction of the inspection channel.
-
公开(公告)号：US20210048376A1
公开(公告)日：2021-02-18
申请号：US16989123
申请日：2020-08-10
Applicant: NUCTECH COMPANY LIMITED , Tsinghua University
Inventor： Qingjun ZHANG , Yuanjing LI , Zhiqiang CHEN , Jianmin LI , Shangmin SUN , Yaohong LIU , Weiping ZHU , Qiufeng MA , Ge LI , Biao CAO , Zheng LIANG , Ying LI , Yu HU
Abstract: A sampling probe, an automatic sampling device, and a container detection system are provided. The sampling probe includes: a mounting base; a housing mounted on the mounting base, a first accommodation chamber having an opening being defined in the housing, and an exhaust hole in communication with the first accommodation chamber and outside of the housing being formed in the housing; a coupling portion formed on an outer edge of the opening of the first accommodation chamber and formed to be hermetically coupled with an air outlet of a container; and a suction device mounted on the housing and configured to suck gas in the container into the first accommodation chamber through the air outlet. The sampling probe may collect the odor of toxic and harmful gases/hazardous chemicals inside the container at the air outlet of the container, without destroying the overall structure of the container.
-
公开(公告)号：US20180182126A1
公开(公告)日：2018-06-28
申请号：US15852103
申请日：2017-12-22
Applicant: Nuctech Company Limited
Inventor： Yanwei XU , Zheng HU , Yongming WANG , Chuan GAO , Weifeng YU , Qiang LI , Yuan MA , Jianping GU , Yu HU , Shangmin SUN
CPC classification number: G06T7/74 , G06K9/00771 , G06K9/00791 , G06K9/6262 , G06N3/0472 , G06N3/08 , G06T3/40 , G06T2207/20081 , G06T2207/20084 , G06T2207/30248
Abstract: The present disclosure discloses a method and system for identifying a part of a vehicle and a vehicle inspection system. The method includes: acquiring a vehicle body image sequence of a vehicle to be identified; reconstructing the vehicle body by using a first vehicle body reconstruction model generated through a deep learning algorithm and on the basis of the vehicle body image sequence, so as to acquire a vehicle body reconstruction image of the vehicle to be identified; and identifying a boundary identifier of the vehicle to be identified on the basis of the vehicle body reconstruction image of the vehicle to be identified.
-
公开(公告)号：US20160054470A1
公开(公告)日：2016-02-25
申请号：US14582097
申请日：2014-12-23
Applicant: TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
Inventor： Yu HU , Jianmin LI , Hui MENG , Yuan MA , Weifeng YU , Jinning LIANG , Shangmin SUN
CPC classification number: G01V5/0016 , B65G15/44 , B65G17/08 , B65G47/66 , F16M13/02
Abstract: The present invention discloses a vehicle inspection system, comprising: an inspection passage; a vehicle dragging system arranged in the inspection passage, wherein the vehicle dragging system comprises a first dragging means and a second dragging means, which are sequentially arranged along a vehicle dragging direction, and in the vehicle dragging direction, the first dragging means is arranged at the upstream of the second dragging means, and a separating section is arranged between the first dragging means and the second dragging means, so that the first dragging means and the second dragging means are separated by a preset distance in the vehicle dragging direction; and a radiographic inspection system, wherein at least a part of paths of the beams of the radiographic inspection system passes through the separating section between the first dragging means and the second dragging means.
Abstract translation: 本发明公开了一种车辆检查系统，包括：检查通道; 布置在所述检查通道中的车辆牵引系统，其中所述车辆牵引系统包括沿着车辆拖动方向依次布置的第一牵引装置和第二牵引装置，并且在所述车辆拖动方向上，所述第一牵引装置布置在 第二牵引装置的上游和第一牵引装置和第二牵引装置之间设置分离部分，使得第一牵引装置和第二牵引装置在车辆拖动方向上分开预定的距离; 以及射线照相检查系统，其中所述射线照相检查系统的光束的至少一部分路径通过所述第一拖动装置和所述第二拖动装置之间的分离部分。
-
公开(公告)号：US20150185166A1
公开(公告)日：2015-07-02
申请号：US14582069
申请日：2014-12-23
Applicant: NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
Inventor： Huaping TANG , Zhiqiang CHEN , Chuanxiang TANG , Huaibi CHEN , Yuanjing LI , Ziran ZHAO , Yaohong LIU , Shangmin SUN , Xinshui YAN , Zhanfeng QIN
CPC classification number: G01N23/043 , G01T7/08 , G01V5/0033 , G01V5/0041 , G01V5/005 , G21K1/025
Abstract: The X-ray fluoroscopic imaging system of the present invention comprises: an inspection passage; an electron accelerator; a shielding collimator apparatus comprising a shielding structure, and a first collimator for extracting a low energy planar sector X-ray beam and a second collimator for extracting a high energy planar sector X-ray beam which are disposed within the shielding structure; a low energy detector array for receiving the X-ray beam from the first collimator; and a high energy detector array for receiving the X-ray beam from the second collimator. The first collimator, the low energy detector array and the target point bombarded by the electron beam are located in a first plane; and the second collimator, the high energy detector array and the target point bombarded by the electron beam are located in a second plane.
Abstract translation: 本发明的X射线透视成像系统包括：检查通道; 电子加速器; 包括屏蔽结构的屏蔽准直器装置和用于提取低能平面扇形X射线束的第一准直器和用于提取设置在屏蔽结构内的高能平面扇形X射线束的第二准直器; 低能量检测器阵列，用于接收来自第一准直仪的X射线束; 以及用于从第二准直器接收X射线束的高能量检测器阵列。 第一准直器，低能量检测器阵列和由电子束轰击的目标点位于第一平面中; 并且第二准直器，高能量检测器阵列和由电子束轰击的目标点位于第二平面中。
-
Patent Agency Ranking
公开(公告)号：US20240053504A1
公开(公告)日：2024-02-15
申请号：US18260010
申请日：2021-11-23
Applicant: NUCTECH COMPANY LIMITED
Inventor： Yuan MA , Lei LIU , Weizhen WANG , Quanwei SONG , Lingjun GONG , Xinbo ZHU , Long DU , Guangming XU , Xingliang ZHAI , Lina HOU , Shangmin SUN , Chunguang ZONG , Yu HU
IPC: G01V5/00
CPC classification number: G01V5/0008
Abstract: An object detection device is provided, including: a support structure, a ray source assembly, and a detector assembly. The support structure is configured to form a passageway for a passage of a detected object; the ray source assembly is configured to emit a ray; and the detector assembly includes a detector mounting frame connected to the support structure and a plurality of detection units arranged on the detector mounting frame, the detection unit being configured to receive a transmission ray penetrating the detected object and obtain a detection information based on the transmission ray; the support structure includes a vertical support arm having an adjustable height, and a vertical distance from the ray source assembly to a bottom portion of the support structure varies with a height of the vertical support arm. Another object detection device is further provided, including a ray source assembly, a detector assembly and a controller.
-
公开(公告)号：US20230243763A1
公开(公告)日：2023-08-03
申请号：US18012866
申请日：2021-06-23
Applicant: NUCTECH COMPANY LIMITED
Inventor： Kejin GAO , Chunguang ZONG , Yu HU , Shangmin SUN , Quanwei SONG , Junping SHI
IPC: G01N23/10 , G01N23/04 , G01N23/083
CPC classification number: G01N23/10 , G01N23/04 , G01N23/083 , G01N2223/3303
Abstract: A mobile detection device and a detection method are provided. The mobile detection device includes: a bearing platform, being arranged fixedly, and including a bearing surface bearing an object to be detected; a movable gantry, located on a side of the bearing surface bearing the object to be detected and configured to be movable relative to the bearing platform; a movable bearing device, located on a side of the bearing surface away from the movable gantry and configured to be movable relative to the bearing platform; a first radiation source, arranged on one of the movable gantry and the movable bearing device, and a first detector array, arranged opposite to the radiation source and arranged on the other of the movable gantry and the movable bearing device, wherein the movable gantry and the movable bearing device are configured to be moved synchronously relative to the bearing platform.
-
公开(公告)号：US20200217963A1
公开(公告)日：2020-07-09
申请号：US16826235
申请日：2020-03-22
Applicant: NUCTECH COMPANY LIMITED , NUCTECH (BEIJING) COMPANY LIMITED
Inventor： Jian LI , Shangmin SUN , Yongming WANG , Yanwei XU , Weifeng YU , Yu HU , Chunguang ZONG
Abstract: The present disclosure provides a laser speed measuring method, control device and a laser velocimeter, and relates to the technical field of security inspection. The laser speed measuring method comprises the steps of: acquiring detection data within a predetermined detection angle range in a plurality of paralleled horizontal planes having different heights, from a plurality of laser rays detected towards a road extending direction in the horizontal plane; acquiring three-dimensional point cloud data according to the detection data; determining a position of a measured object in the road extending direction according to the three-dimensional point cloud data; and determining a speed of the measured object according to the position change of the measured object along the road extending direction at different timing.
-
29.发明申请公开(公告)号：US20180322358A1
公开(公告)日：2018-11-08
申请号：US16022666
申请日：2018-06-28
Applicant: NUCTECH COMPANY LIMITED
Inventor： Shangmin SUN , Yanwei Xu , Qiang Li , Weifeng Yu , Yu Hu
CPC classification number: G06K9/3241 , G06K9/00201 , G06K9/00771 , G06K9/209 , H04N5/33
Abstract: A vehicle type recognition method based on a laser scanner is provided, the method comprising steps of: detecting that a vehicle to be checked has entered into a recognition area; causing a laser scanner to move relative to the vehicle to be checked; scanning the vehicle to be checked using the laser scanner on a basis of columns, and storing and splicing data of each column obtained by scanning to form a three-dimensional image of the vehicle to be checked, wherein a lateral width value is specified for each single column of data; specifying a height difference threshold; and determining a height difference between the height at the lowest position of the vehicle to be checked in data of column N and the height at the lowest position of the vehicle to be checked in data of specified number of columns preceding and/or succeeding to the column N.
-
公开(公告)号：US20180187443A1
公开(公告)日：2018-07-05
申请号：US15857645
申请日：2017-12-29
Applicant: NUCTECH COMPANY LIMITED
Inventor： Zhiqiang CHEN , Yuanjing LI , Jianmin LI , Shangmin SUN , Yu HU , Yuan MA , Qiangqiang WANG
Abstract: A vehicle inspection system is described. The vehicle inspection system comprises: an inspection device, for performing an inspection on a vehicle to be inspected; a carrier platform, for carrying the vehicle to be inspected; and an unmanned controlled travelling device for moving the carrier platform to pass through a scanning area of the inspection device, so as to perform the inspection on the vehicle to be inspected. In the present disclosure, the vehicle to be inspected is carried by the carrier platform, and the unmanned controlled travelling device is used to move the carrier platform to pass through the scanning area of the inspection device, so that the vehicle to be inspected can be subject to inspection smoothly. There is no driver required to drive through the scanning area in this process, thus avoiding exposure of a driver to a threat of radiation.
-
-
-
-
-
-
-
-
-
Search Results
33
records
(took 0.026 seconds)
