公开(公告)号：US09779908B2

公开(公告)日：2017-10-03

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: H01J35/10 ,  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.

公开(公告)号：US20170068017A1

公开(公告)日：2017-03-09

申请号：US15230316

申请日：2016-08-05

Applicant: NUCTECH COMPANY LIMITED ,  NUCTECH JIANGSU COMPANY LIMITED

Inventor： Ziran ZHAO ,  Zhiqiang Chen ,  Wanlong Wu ,  Li Zhang ,  Yingkang Jin ,  Ming Ruan

IPC: G01V5/00

CPC classification number: G01V5/0016

Abstract: A safety inspection apparatus is disclosed in embodiments of the present invention. The safety inspection apparatus includes: an x-ray source including a ray emission focal spot; and a plurality of detector modules each of which has a ray receiving surface, and which are arranged along a plurality of straight line segments. The plurality of straight line segments include a first straight line segment and two second straight line segments, and, the two second straight line segments extend from the two ends of the first straight line segment towards the x-ray source side, respectively. In a plane where the sectorial ray beam is located, a normal to the ray receiving surface of each of the detector modules at a midpoint of the ray receiving surface of the each of the detector modules passes generally through the ray emission focal spot of the x-ray source.

Abstract translation: 在本发明的实施例中公开了一种安全检查装置。 安全检查装置包括：x射线源，包括射线发射焦点; 以及多个检测器模块，每个检测器模块具有一个光线接收表面，并沿着多条直线段布置。 多个直线段包括第一直线段和两个第二直线段，并且两个第二直线段分别从第一直线段的两端朝向x射线源侧延伸。 在扇形射线束所在的平面中，每个检测器模块的射线接收表面的中点处的每个检测器模块的射线接收表面的法线通常通过x的射线发射焦斑 来源。

公开(公告)号：US09355810B2

公开(公告)日：2016-05-31

申请号：US13972478

申请日：2013-08-21

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Wanlong Wu ,  Xilei Luo ,  Guangwei Ding ,  Yingkang Jin ,  Le Tang ,  Fuhua Ding ,  Bin Sang ,  Shuo Cao ,  Zhimin Zheng

IPC: H01J35/14 ,  G21K1/04 ,  H01J35/02 ,  H05G1/02

CPC classification number: H01J35/14 ,  G21K1/043 ,  H01J35/025 ,  H05G1/025

Abstract: Disclosed is an integrated flying-spot X-ray apparatus comprising a ray generator configured to generate the X-ray, a revolving collimator device provided thereon with at least one aperture and arranged to be rotatable about the ray generator, a frameless torque motor configured to drive the revolving collimator device to rotate about the ray generator, and a cooling device configured to cool the ray generator, wherein the ray generator, the revolving collimator device, the frameless torque motor and the cooling device are mounted on an integrated mounting frame. Compared with the prior art, the integrated flying-spot X-ray apparatus according to the present disclosure has a simple and compact structure and is used as a kernel apparatus for fields of safety inspection and medical treatment.

Abstract translation: 公开了一种集成的飞点X射线装置，其包括被配置为产生X射线的射线发生器，设置有至少一个孔的旋转准直器装置，并且被布置成围绕射线发生器可旋转;无框架扭矩马达，被配置为 驱动所述旋转准直仪装置围绕所述射线发生器旋转;以及冷却装置，其被配置为冷却所述射线发生器，其中所述射线发生器，所述旋转准直器装置，所述无框架扭矩马达和所述冷却装置安装在集成安装框架上。 与现有技术相比，根据本公开的集成飞点X射线装置具有简单紧凑的结构，并且用作安全检查和医疗领域的内核装置。

公开(公告)号：US20150323664A1

公开(公告)日：2015-11-12

申请号：US14451297

申请日：2014-08-04

Applicant: Nuctech Company Limited

Inventor： Wanlong Wu ,  Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Zongjun Shen ,  Yinong Liu ,  Bin Sang ,  Wenguo Liu

IPC: G01S13/89 ,  G01S13/02

CPC classification number: G01S13/89 ,  G01S13/02 ,  G01V8/005

Abstract: A millimeter wave three dimensional holographic scan imaging apparatus and a method for inspecting a human body or an article are disclosed. In one aspect, the apparatus includes a first and second millimeter wave transceiver module. The apparatus also includes a guide rail device for each millimeter wave transceiver module. Each guide rail is connected to its respective transceiver module in slidable form. A driver drives each millimeter wave transceiver module to move along its guide rail device. Each millimeter wave transceiver module performs plane scans on the human body or article being inspected. A data processing device generates a millimeter wave holographic image from the plane scans.

Abstract translation: 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制品的方法。 在一个方面，该装置包括第一和第二毫米波收发器模块。 该装置还包括用于每个毫米波收发器模块的导轨装置。 每个导轨以可滑动的形式连接到其相应的收发器模块。 驱动器驱动每个毫米波收发器模块沿其导轨装置移动。 每毫米波收发器模块对人体或正在检查的物品执行平面扫描。 数据处理装置从平面扫描生成毫米波全息图像。

公开(公告)号：US20140056410A1

公开(公告)日：2014-02-27

申请号：US13971275

申请日：2013-08-20

Applicant: Nuctech Company Limited

Inventor： Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Le Tang ,  Chenguang Zhu ,  Guangwei Ding ,  Shuo Cao

IPC: G01V5/00

CPC classification number: G01V5/0025 ,  G01V5/0075

Abstract: The present invention discloses a back-scatter human body security inspection system, capable of detecting a radioactive matter carried by the human body, comprising: a radiation source configured to generate radiation rays, a flying spot forming device, configured to modulate the radiation rays from the radiation source, so as to form flying spot scanning beams for scanning the human body to be detected, a detector configured to detect radiation rays from the human body to be detected and output a signal characterizing a dose of the radiation rays, a control and data processing device, configured to process the signal outputted from the detector to obtain a radiation image of the human body to be detected. The detector detects the radiation rays from the radiation source scattered by the human body to be detected, separately at different times, and the radiation rays from the radioactive matter carried by the human body to be detected. In the present invention, the application ranges of the back-scatter human body scanning apparatus can be effectively expanded, without adding and modifying the hardware therein, thereby increasing the monitoring function to the radioactive matter carried by the human body and further improving the effects of the human body security inspection.

Abstract translation: 本发明公开了一种能够检测人体携带的放射性物质的背散射人体安全检查系统，包括：被配置为产生放射线的辐射源，飞点形成装置，其被配置为调制来自 辐射源，以便形成用于扫描要检测的人体的飞点扫描光束;检测器，被配置为检测来自人体的待检测的辐射线，并输出表征辐射射线剂量的信号;控制和 数据处理装置，被配置为处理从检测器输出的信号，以获得要检测的人体的放射线图像。 检测器在不同时间分别检测来自被检测人体的辐射源的辐射线，以及来自被检测人体携带的放射性物质的辐射线。 在本发明中，可以有效地扩展背散射式人体扫描装置的应用范围，而不需要对其中的硬件进行增加和修改，从而增加对人体携带的放射性物质的监测功能，进一步提高 人体安全检查。

公开(公告)号：US10371854B2

公开(公告)日：2019-08-06

申请号：US15230316

申请日：2016-08-05

Applicant: NUCTECH COMPANY LIMITED ,  NUCTECH JIANGSU COMPANY LIMITED

Inventor： Ziran Zhao ,  Zhiqiang Chen ,  Wanlong Wu ,  Li Zhang ,  Yingkang Jin ,  Ming Ruan

IPC: G01V5/00

Abstract: A safety inspection apparatus is disclosed in embodiments of the present invention. The safety inspection apparatus includes: an x-ray source including a ray emission focal spot; and a plurality of detector modules each of which has a ray receiving surface, and which are arranged along a plurality of straight line segments. The plurality of straight line segments include a first straight line segment and two second straight line segments, and, the two second straight line segments extend from the two ends of the first straight line segment towards the x-ray source side, respectively. In a plane where the sectorial ray beam is located, a normal to the ray receiving surface of each of the detector modules at a midpoint of the ray receiving surface of the each of the detector modules passes generally through the ray emission focal spot of the x-ray source.

公开(公告)号：US10218082B2

公开(公告)日：2019-02-26

申请号：US14246261

申请日：2014-04-07

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Ziran Zhao ,  Zhiqiang Chen ,  Yuanjing Li ,  Wanlong Wu ,  Yinong Liu ,  Jieqing Yang ,  Wenguo Liu ,  Bin Sang ,  Lei Zheng

IPC: G03H5/00 ,  H01Q1/50 ,  H01Q1/52 ,  H01Q9/04 ,  H01Q21/00 ,  H01Q21/06 ,  H01Q21/08 ,  H01Q5/378 ,  H01Q13/02

Abstract: There is provided a wideband patch antenna and an antenna array. The antenna includes a dielectric substrate of a rectangle shape, a radiation patch formed on a top surface of the dielectric substrate, a coupling patch formed on the top surface of the dielectric substrate and extending from a side of the dielectric substrate to a position from the radiation patch by a distance, a metal support arranged on the lower surface of the dielectric substrate and extending from the edge of the lower surface of the dielectric substrate downward to the ground, a layer of air having a predetermined thickness being formed between the lower surface of the dielectric substrate and the ground. According to the embodiments, it is possible to improve the directivity of the wideband microstrip antenna while maintaining its small size.

公开(公告)号：US09577651B2

公开(公告)日：2017-02-21

申请号：US14294625

申请日：2014-06-03

Applicant: NUCTECH COMPANY LIMITED

Inventor： Ziran Zhao ,  Wenguo Liu ,  Zhiqiang Chen ,  Yuanjing Li ,  Wanlong Wu ,  Yinong Liu ,  Bin Sang ,  Lei Zheng

IPC: H03B19/00 ,  H03L7/24 ,  H03B23/00 ,  H03L7/22

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：US20160187529A1

公开(公告)日：2016-06-30

申请号：US14958245

申请日：2015-12-03

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Wanlong Wu ,  Lin Yang ,  Yingkang Jin ,  Ming Ruan ,  Chengcong Xu

IPC: G01V8/00 ,  G01S13/88 ,  G01S13/89 ,  G01V3/12

CPC classification number: G01S13/887 ,  G01S13/89 ,  G01V3/12 ,  G01V8/005

Abstract: The present disclosure provides a human body security inspection apparatus, comprising: a base on which an inspected human stands; a millimeter-wave transceiver configured to perform a millimeter-wave scanning operation on the body of the inspected human standing on the base so as to detect whether or not the inspected human carries contraband and output a first signal; and a metal sensing detector arranged within the base and configured to detect whether or not there is a metallic foreign object in underside of a shoe of the inspected human and output a second signal.

Abstract translation: 本公开提供一种人体安全检查装置，包括：被检查人员所在的基座; 毫米波收发器被配置为对所检查的人体在基座上的身体执行毫米波扫描操作，以便检测被检查的人是否携带违禁品并输出第一信号; 以及金属感测检测器，其布置在所述基座内并且被配置为检测所检查的人的鞋的下侧中是否存在金属异物并输出第二信号。

公开(公告)号：US09031192B2

公开(公告)日：2015-05-12

申请号：US14060270

申请日：2013-10-22

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Le Tang ,  Guangwei Ding ,  Chenguang Zhu

IPC: H05G1/70 ,  G21K1/04 ,  G01N23/20

CPC classification number: G21K1/04 ,  G01N23/20 ,  G21K1/043

Abstract: A ray emission device and an imaging system with the ray emission device are disclosed. The ray emission device comprises: a cylinder; a ray source disposed in the cylinder for emitting a ray; and a collimator disposed in the cylinder. The collimator enables the ray emitted by the ray source to form sectorial ray beams at a plurality of positions in an axial direction of the cylinder. The cylinder has a pencil beam forming part arranged over an axial length of the cylinder corresponding to the plurality of positions. The sectorial ray beams form pencil beams through the pencil beam forming part when the cylinder rotates around a rotation axis.

Abstract translation: 公开了一种具有射线发射装置的射线发射装置和成像系统。 射线发射装置包括：圆筒; 设置在所述气缸中用于发射射线的射线源; 以及设置在气缸中的准直器。 准直器使得由射线源发射的射线能够在圆柱体的轴向上的多个位置处形成扇形射线束。 圆柱体具有布置在与多个位置对应的圆柱体的轴向长度上的笔形波束形成部分。 当圆筒围绕旋转轴旋转时，扇形射线束通过笔形波束形成部分形成笔形束。