公开(公告)号：US20210204385A1

公开(公告)日：2021-07-01

申请号：US16074938

申请日：2018-04-04

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Wanlong WU ,  Fuhua DING ,  Wenguo LIU ,  Zhimin ZHENG ,  Shuo CAO

IPC: H05G1/04 ,  H01J35/12 ,  H05G1/10

Abstract: The present disclosure provides an X-ray tube device and a spring pin for an X-ray tube device. In an embodiment, the X-ray tube device includes: an outer cylinder assembly having an anode end and a cathode end, an anode end cap assembly provided at the anode end of the outer cylinder assembly and including an X-ray tube, a cathode end cap assembly provided at the cathode end of the outer cylinder assembly and including a high voltage receptacle for an external power supply, and a spring pin connection assembly provided in the outer cylinder assembly and connecting a filament lead of the X-ray tube to the high voltage receptacle.

公开(公告)号：US20210302335A1

公开(公告)日：2021-09-30

申请号：US17054025

申请日：2019-05-10

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Wanlong WU ,  Fuhua DING ,  Zhimin ZHENG ,  Xilei LUO

IPC: G01N23/20 ,  H01J35/06 ,  H01J35/10

Abstract: Embodiments of the present disclosure disclose a combined scanning X-ray generator, a composite inspection apparatus and an inspection method. The combined scanning X-ray generator includes: a housing; an anode arranged in the housing, the anode including a first end of the anode and a second end of the anode opposite the first end of the anode; a pencil beam radiation source arranged at the first end of the anode and configured to emit a pencil X-ray beam; and a fan beam radiation source arranged at the second end of the anode and configured to emit a fan X-ray beam; wherein the pencil beam radiation source and the fan beam radiation source are operated independently.

公开(公告)号：US20150371809A1

公开(公告)日：2015-12-24

申请号：US14729622

申请日：2015-06-03

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Fuhua DING ,  Zhiqiang CHEN ,  Ziran ZHAO ,  Wanlong WU ,  Le TANG ,  Yingkang JIN ,  Yanjie WEN

IPC: H01J35/12 ,  G21K1/04 ,  H05G1/12

CPC classification number: H01J35/12 ,  G21K1/043 ,  G21K1/046 ,  H01J2235/1287 ,  H05G1/12

Abstract: The present disclosure provides an X-ray generator with adjustable collimation. The X-ray generator comprises: an assembly of X-ray source, which includes an X-ray tube having a cathode and an anode and a front collimator; a high voltage generator, which is disposed in an extended chamber of a housing for the X-ray tube and which is used for supplying a direct current high voltage between the cathode and the anode of the X-ray tube to excite X-ray beams; a collimation adjustment unit, which is rotatably disposed outside of the front collimator and which is used for adjusting fan-type X-ray beams into continuous pencil-type X-ray beams; and a cooling unit, which is independently mounted to the X-ray tube and which is used for cooling the anode of the X-ray tube; wherein, the assembly of X-ray source, the high voltage generator, the collimation adjustment unit and the cooling unit are integrated as a whole. The X-ray generator with adjustable collimation according to the disclosure has a compact construction, which is helpful in miniaturization, modularization and high efficiency of a security detection equipment.

Abstract translation: 本公开提供了具有可调整准直的X射线发生器。 X射线发生器包括：X射线源的组件，其包括具有阴极和阳极的X射线管和前准直器; 高电压发生器，其设置在用于X射线管的壳体的延伸室中，用于在X射线管的阴极和阳极之间提供直流高电压，以激发X射线束 ; 准直调整单元，其可旋转地设置在前准直仪的外侧，用于将风扇型X射线束调整为连续的铅笔型X射线束; 以及冷却单元，其独立地安装到所述X射线管并且用于冷却所述X射线管的阳极; 其中，X射线源，高压发生器，准直调节单元和冷却单元的组合整体集成。 根据本公开的具有可调准直的X射线发生器具有紧凑的结构，这有助于安全检测设备的小型化，模块化和高效率。

公开(公告)号：US20150030205A1

公开(公告)日：2015-01-29

申请号：US14337190

申请日：2014-07-21

Applicant: TSINGHUA UNIVERSITY ,  NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Yuanjing LI ,  Ziran ZHAO ,  Wanlong WU ,  Yingkang JIN ,  Yinong LIU ,  Wenguo LIU ,  Xianli DING ,  Bin SANG ,  Le TANG ,  Ming RUAN ,  Chenguang ZHU ,  Liaohua FU ,  Fuhua DING ,  Shuo CAO

IPC: G06K9/00 ,  G06T7/00

CPC classification number: G06K9/00771 ,  G06K9/00362 ,  G06K2209/09 ,  G06T7/0002 ,  G06T2207/30196 ,  G06T2207/30232 ,  G07C9/00158

Abstract: The present invention provides a human body security inspection method and system. The method comprises: retrieving in real-time scanning row or column image data of a personal to be inspected; transmitting in real-time the image data to an algorithm processing module and processing these image data by the module; automatically recognizing a suspicious matter by a suspicious matter automatic target recognition technique, after retrieving an image data of an entire scanning image of the personal; any of the following three inspection modes is selected, so as to perform a further processing on basis of the recognition result of the suspicious matter, (1) in a manner of automatic target recognition technique, (2) in a combination manner of the automatic target recognition technique and a privacy protection image; and (3) a combination manner of the automatic target recognition technique, a privacy protection image and human intervention.

Abstract translation: 本发明提供一种人体安全检查方法和系统。 该方法包括：实时检索要检查的个人的行或列图像数据; 将图像数据实时传输到算法处理模块，并通过模块处理这些图像数据; 在检索个人的整个扫描图像的图像数据之后，通过可疑物体自动目标识别技术自动识别可疑物品; 选择以下三种检查模式中的任何一种，以便基于可疑物的识别结果进行进一步处理，（1）以自动目标识别技术的方式，（2）以自动 目标识别技术和隐私保护形象; 和（3）自动目标识别技术，隐私保护图像和人为干预的组合方式。

公开(公告)号：US20140185769A1

公开(公告)日：2014-07-03

申请号：US14135840

申请日：2013-12-20

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Ziran ZHAO ,  Zhiqiang CHEN ,  Yuanjing LI ,  Wanlong WU ,  Ming RUAN ,  Yinong LIU ,  Yingkang JIN ,  Le TANG ,  Yanjie WEN ,  Xiuwei CHEN ,  Fuhua DING ,  Bin SANG ,  Zongjun SHEN

IPC: G01N23/203

CPC classification number: G01N23/203 ,  A61B6/4021 ,  A61B6/4266 ,  A61B6/483 ,  G01T1/167 ,  G01V5/0025

Abstract: A human body back-scattering inspection system is disclosed. The system comprises a flying-spot forming unit configured to output beams of X-rays, a plurality of discrete detectors which are arranged vertically along a human body to be inspected, and a controlling unit coupled to the flying-spot forming unit and the plurality of detectors, and configured to generate a control signal to control the flying-spot forming unit and the plurality of detectors to perform a partition synchronous scan on the human body to be inspected vertically. The present disclosure utilizes the geometry property of the human body back-scattering inspection system, and proposes a multiple-point synchronous scan mechanism which largely accelerates the inspection of human body.

Abstract translation: 公开了一种人体背散射检查系统。 该系统包括：飞点形成单元，被配置为输出X射线束;沿着待检查的人体垂直排列的多个离散检测器;以及耦合到飞点形成单元和多个 的检测器，并且被配置为产生控制信号以控制飞点形成单元和多个检测器，以对垂直检查的人体进行分区同步扫描。 本发明利用人体背散射检查系统的几何特性，并提出了一种大大加速人体检查的多点同步扫描机构。