公开(公告)号：US20150185335A1

公开(公告)日：2015-07-02

申请号：US14576674

申请日：2014-12-19

Applicant: NUCTECH COMPANY LIMITED ,  TSINGHUA UNIVERSITY

Inventor： Ziran ZHAO ,  Zhiqiang CHEN ,  Yuanjing LI ,  Wanlong WU ,  Yinong LIU ,  Ming RUAN ,  Yingkang JIN ,  Le TANG

IPC: G01T1/20

CPC classification number: G01T1/2002 ,  G01T1/2008

Abstract: The invention presents a backscattering scintillation detector. The scintillation detector includes a scintillation crystal detector; a X-ray sensitizing screen, which is disposed forward the scintillation crystal detector and where a backscattered X-ray from an object to be detected is processed and then at least part of the processed X-ray is incident to scintillation crystal detector; and photoelectric multiplier, which is disposed backward the scintillation crystal detector and is configured to collect a light signal from scintillation crystal detector and convert it to an electrical signal. Through the above preferable embodiment, a X-ray sensitizing screen, a scintillation crystal detector, and light guiding and wave-drifting technologies are combined together to obtain a novel scintillation detector, which can improve detection of X-ray, transmission of light signal and conversion of light signal to electrical signal.

Abstract translation: 本发明提出了一种后向散射闪烁检测器。 闪烁检测器包括闪烁晶体检测器; 设置在闪烁晶体检测器前方的X射线增感屏幕，并且处理来自被检测物体的背散射​​X射线，然后处理的X射线的至少一部分入射到闪烁晶体检测器; 以及光电倍增器，其设置在闪烁晶体检测器的后方，并且被配置为从闪烁晶体检测器收集光信号并将其转换为电信号。 通过上述优选实施例，将X射线增感屏，闪烁晶体检测器和导光波漂移技术组合在一起，以获得新的闪烁检测器，其可以改善X射线的检测，光信号的传输和 光信号转换为电信号。

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：US20170184758A1

公开(公告)日：2017-06-29

申请号：US15280835

申请日：2016-09-29

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang CHEN ,  Ziran ZHAO ,  Yuanjing LI ,  Wanlong WU ,  Le TANG ,  Ming RUAN

IPC: G01V5/00 ,  H05G1/32

CPC classification number: G01V5/0016 ,  H05G1/32

Abstract: The present disclosure provides a human body security inspection system, including: an X-ray source configured to provide X-ray radiation for scanning a human body to be inspected, a detector configured to receive X-ray radiation transmitting through the human body to be inspected and generate a transmission signal, a sensor configured to obtain the weight of the human body to be inspected, a carrying device configured to carry and move the human body to be inspected in a direction such that the human body is scanned, and a controller configured to receive a signal from the sensor, determine the weight of the human body to be inspected based on the signal from the sensor, and determine and control a voltage and/or current applied to the X-ray source and a movement speed of the carrying device according to the weight.

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：US20150048868A1

公开(公告)日：2015-02-19

申请号：US14294625

申请日：2014-06-03

Applicant: NUCTECH COMPANY LIMITED

Inventor： Ziran ZHAO ,  Wenguo LIU ,  Zhiqiang CHEN ,  Yuanjing Ll ,  Wanlong WU ,  Yinong LIU ,  Bin SANG ,  Lei ZHENG

IPC: H03L7/24

CPC classification number: H03L7/24 ,  H03B23/00 ,  H03L7/22

Abstract: A circuit to generate a sweep frequency signal that includes a reference frequency source to generate a reference frequency signal, a first frequency combination circuit coupled to the reference frequency source, and operative to generate a sweep frequency signal in a first frequency band based on the reference frequency signal, a second frequency combination circuit coupled to the reference frequency source, and operative to generate a sweep frequency signal in a second frequency band different from the first frequency band based on the reference frequency signal, a multiple-level switch coupled to outputs of the first frequency combination circuit and the second frequency combination circuit, and a control circuit controlling the first and second frequency combination circuits and the multiple-level switch to output the sweep frequency signal in the first frequency band and the sweep frequency signal in the second frequency band at an output of the multiple-level switch alternately.

Abstract translation: 一种用于产生包括参考频率源以产生参考频率信号的扫频频率信号的电路，耦合到参考频率源的第一频率组合电路，并用于基于参考频率信号产生第一频带中的扫频信号 频率信号，耦合到所述参考频率源的第二频率组合电路，并且可操作以基于所述参考频率信号在与所述第一频带不同的第二频带中产生扫频频率信号;多电平开关， 第一频率组合电路和第二频率组合电路，以及控制电路，控制第一和第二频率组合电路和多电平开关，以输出第一频带中的扫频信号和第二频率中的扫频频率信号 交替地在多级交换机的输出端发送频带。

公开(公告)号：US20150048253A1

公开(公告)日：2015-02-19

申请号：US14247803

申请日：2014-04-08

Applicant: Nuctech Company Limited

Inventor： Wanlong WU ,  Zhiqiang CHEN ,  Yuanjing LI ,  Ziran ZHAO ,  Zongjun SHEN ,  Li ZHANG ,  Bin SANG ,  Chenguang ZHU

IPC: G01S13/89

CPC classification number: G01S13/89 ,  G01S13/887 ,  G01V8/005

Abstract: The present invention discloses a millimetre wave three dimensional holographic scan imaging apparatus and a method for inspecting a human body or an article. The apparatus comprises a first millimetre wave transceiver module, a second millimetre wave transceiver module, a first guide rail device to which the first millimetre wave transceiver module is connected in slidable form, a second guide rail device to which the second millimetre wave transceiver module is connected in slidable form, a driver configured to drive the first/second millimetre wave transceiver module to move along the first/second guide rail device, and a constrainer configured to constrain kinematic relation between the first and the second millimetre wave transceiver modules such that they only move in directions opposed to each other. They may increase scan speeds, improve scan stability, reduce scan operations and enhance the reliability of the apparatus.

Abstract translation: 本发明公开了一种毫米波三维全息扫描成像装置和用于检查人体或物品的方法。 该装置包括第一毫米波收发器模块，第二毫米波收发器模块，第一毫米波收发器模块以可滑动的形式连接的第一导轨装置，第二毫米波收发器模块所在的第二导轨装置 以可滑动形式连接的驱动器，被配置为驱动第一/第二毫米波收发器模块沿着第一/第二导轨装置移动的驱动器;以及约束器，其被配置为约束第一和第二毫米波收发器模块之间的运动关系，使得它们 只能相互相反的方向移动。 它们可能会增加扫描速度，提高扫描稳定性，减少扫描操作并提高设备的可靠性。

公开(公告)号：US20150048251A1

公开(公告)日：2015-02-19

申请号：US14247837

申请日：2014-04-08

Applicant: Nuctech Company Limited

Inventor： Zhiqiang CHEN ,  Yuanjing LI ,  Ziran ZHAO ,  Wanlong WU ,  Xilei LUO ,  Yinong LIU ,  Li ZHANG ,  Bin SANG ,  Zongjun SHEN ,  Yingkang JIN ,  Zhimin ZHENG

IPC: G01V8/20 ,  G01V8/26

CPC classification number: G01V8/20 ,  G01N22/00 ,  G01V8/005 ,  G01V8/26

Abstract: The present invention discloses a millimeter wave holographic scan imaging apparatus for inspecting a human body. The apparatus includes a first millimeter wave transceiver device (40) comprising a first millimeter wave transceiver antenna array (41) for transmitting and receiving a first millimeter wave signal; a second millimeter wave transceiver device (40′), which comprises a second millimeter wave transceiver antenna array (41′) for transmitting and receiving a second millimeter wave signal, and is configured in opposite direction with relation to the first millimeter wave transceiver device; a connection member (26, 27) for connecting the first millimeter wave transceiver device (40) to the second millimeter wave transceiver device (40′); and a drive device (50), which drives one of the first and the second millimeter wave transceiver devices such that the first millimeter wave transceiver device (40) and the second millimeter wave transceiver device (40′) move in opposite directions.

Abstract translation: 本发明公开了一种用于检查人体的毫米波全息扫描成像装置。 该装置包括第一毫米波收发器装置（40），其包括用于发送和接收第一毫米波信号的第一毫米波收发器天线阵列（41） 第二毫米波收发器装置（40'），其包括用于发送和接收第二毫米波信号的第二毫米波收发器天线阵列（41'），并且被配置为与所述第一毫米波收发器装置相反的方向; 连接构件（26,27），用于将第一毫米波收发器装置（40）连接到第二毫米波收发器装置（40'）; 以及驱动装置（50），其驱动所述第一和第二毫米波收发器装置之一，使得所述第一毫米波收发器装置（40）和所述第二毫米波收发器装置（40'）沿相反方向移动。

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。

公开(公告)号：US20140184773A1

公开(公告)日：2014-07-03

申请号：US14135922

申请日：2013-12-20

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Zhiqiang CHEN ,  Ziran ZHAO ,  Wanlong WU ,  Yuanjing LI ,  Zongjun SHEN ,  Li ZHANG ,  Yinong LIU ,  Jin CUI ,  Yingkang JIN ,  Liang LI ,  Yuxiang XING ,  Yongshun XIAO

IPC: G06K9/00 ,  G06K9/20 ,  H04N7/18

CPC classification number: G06K9/00375 ,  G01V3/12 ,  G01V8/005 ,  G06K9/209 ,  H04N7/18

Abstract: The present invention discloses a human body security inspection apparatus and a corresponding method. Specifically, the apparatus comprises: a human body security inspection device (1), configured to scan the human to be inspected (2) in order to inspect whether the human to be inspected (2) carries prohibited articles; a KINECT sensor (3), configured to real-timely acquire information about the human to be inspected (2) so that the human body security inspection device (1) is capable of real-timely acquiring the information of the human to be inspected (2) by means of the KINECT sensor (3), so as to determine whether the information conforms to requirements of the human body security inspection device (1); and a data processing device (4), configured to communicate with the human body security inspection device (1) and the KINECT sensor (3), in order to real-timely analyse and process the information of the human to be inspected (2).

Abstract translation: 本发明公开了一种人体安全检查装置和相应的方法。 具体地说，该装置包括：人体安全检查装置（1），被配置为扫描被检查的人（2），以检查被检查人（2）是否携带被禁止的物品; 一种KINECT传感器（3），被配置为实时获取关于待检查人的信息（2），使得人体安全检查装置（1）能够实时获取被检查人的信息（ 2）通过KINECT传感器（3），以确定信息是否符合人体安全检查装置（1）的要求; 以及数据处理装置（4），被配置为与人体安全检查装置（1）和KINECT传感器（3）进行通信，以便实时地分析和处理待检查的人的信息（2） 。