公开(公告)号：US11467105B2

公开(公告)日：2022-10-11

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: G01N23/04 ,  G01N23/083 ,  G01N23/10 ,  G01N23/20 ,  G01N23/203 ,  G01V5/00 ,  H05G1/58 ,  H01J35/08 ,  H01J35/16 ,  G21K1/04 ,  H01J35/12

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：US11266000B2

公开(公告)日：2022-03-01

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：US11226429B2

公开(公告)日：2022-01-18

申请号：US16296686

申请日：2019-03-08

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Yuanjing Li ,  Xilei Luo ,  Yingkang Jin ,  Zhimin Zheng ,  Wanlong Wu ,  Lingbo Qiao ,  Wenguo Liu

IPC: G01V8/00 ,  G01S13/89 ,  G01V8/26 ,  G01S13/88

Abstract: An extensible millimeter wave security inspection system, a security inspection method for a human body using the extensible millimeter wave security inspection system and an extensible millimeter wave scanning unit are disclosed. The extensible millimeter wave security inspection system includes at least one security inspection passage, at least one scanning units are provided on at least one side of two sides of each security inspection passage, each scanning unit includes at least one millimeter wave transceiving module, the millimeter wave transceiving module includes an array of millimeter wave antennas configured to transmit and receive millimeter wave signals and a millimeter wave transceiver associated with the array of millimeter wave antennas, and the millimeter wave transceiving module is arranged to scan by millimeter wave a target to be inspected in the security inspection passage along a direction in which the security inspection passage extends.

公开(公告)号：US10458928B2

公开(公告)日：2019-10-29

申请号：US15578131

申请日：2016-05-19

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： Zhiqiang Chen ,  Wanlong Wu ,  Ziran Zhao ,  Guangwei Ding ,  Ming Ruan ,  Xilei Luo

IPC: G21K1/02 ,  G01N23/223 ,  G01N23/083 ,  G01N23/02

Abstract: Embodiments of the present disclosure provide a collimating device and a ray inspection device. The collimating device comprises: a beam guiding cylinder, a first collimator mounted at an inlet end of the beam guiding cylinder; a second collimator mounted an outlet end of the beam guiding cylinder; a beam guiding cylinder adjusting device disposed adjacent to the inlet of the beam guiding cylinder to adjust a direction of the beam guiding cylinder such that the first collimator is aligned with the first direction. The outlet end of the beam guiding cylinder is fixed to the frame and the second collimator is aligned with an object to be irradiated by a radiation beam, and the beam guiding cylinder is configured to have flexibility to allow the adjusting device to adjust a direction towards which the inlet end of the beam guiding cylinder is directed, in a direction transverse to the first direction.

公开(公告)号：US10446288B2

公开(公告)日：2019-10-15

申请号：US15578138

申请日：2016-07-12

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Wanlong Wu ,  Junli Li ,  Ming Ruan ,  Guangwei Ding

IPC: G21K1/02 ,  G01N23/223 ,  H05G1/02 ,  G21F3/00

Abstract: The present invention provides a ray beam guiding device for guiding a ray beam in a ray inspection apparatus. The ray beam guiding device is provided in a housing of the ray inspection apparatus, and two ends of the ray beam guiding device are connected to a front collimator and a rear collimator, respectively. The ray beam guiding device comprises a plurality of guiding walls and a guiding cavity surrounded by the guiding walls. The guiding wall is formed of a first material which is capable of absorbing rays or the first material is coated on an inside of the guiding wall, and the guiding cavity has a central axis extending in a direction from the rear collimator to the front collimator, and the ray beam guiding device further comprises at least one fin plate provided in the guiding cavity of the ray beam guiding device. The at least one fin plate is configured for blocking and/or absorbing scattered rays.

公开(公告)号：US20190180398A1

公开(公告)日：2019-06-13

申请号：US16321251

申请日：2017-07-31

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Xianli Ding ,  Jiao Long ,  Zongjun Shen ,  Zheng Li

IPC: G06Q50/26 ,  G06F16/28 ,  G06K9/00

Abstract: A security inspection system and a method of configuring a security inspection device are provided. In an embodiment, the security inspection system may include: an identity information entry device configured to enter an identification of an inspected person; a parameter determination device configured to determine a parameter for performing a security inspection on the inspected person based on a security factor of the inspected person determined according to user data corresponding to the identification of the inspected person; and a security inspection device configured to perform the security inspection on the inspected person based on the determined parameter. According to embodiments, it is possible to accurately predict the user's behavior and evaluate the risk or potential danger from the user by analyzing and mining the user's comprehensive data, and thus to provide a more accurate security inspection solution.

公开(公告)号：US20180308602A1

公开(公告)日：2018-10-25

申请号：US15578138

申请日：2016-07-12

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Wanlong Wu ,  Junli Li ,  Ming Ruan ,  Guangwei Ding

IPC: G21K1/02

CPC classification number: G21K1/025 ,  G21F3/00 ,  H05G1/02

Abstract: The present invention provides a ray beam guiding device for guiding a ray beam in a ray inspection apparatus. The ray beam guiding device is provided in a housing of the ray inspection apparatus, and two ends of the ray beam guiding device are connected to a front collimator and a rear collimator, respectively. The ray beam guiding device comprises a plurality of guiding walls and a guiding cavity surrounded by the guiding walls. The guiding wall is formed of a first material which is capable of absorbing rays or the first material is coated on an inside of the guiding wall, and the guiding cavity has a central axis extending in a direction from the rear collimator to the front collimator, and the ray beam guiding device further comprises at least one fin plate provided in the guiding cavity of the ray beam guiding device. The at least one fin plate is configured for blocking and/or absorbing scattered rays.

公开(公告)号：US20180292333A1

公开(公告)日：2018-10-11

申请号：US15578131

申请日：2016-05-19

Applicant: Nuctech Company Limited ,  Nuctech Jiangsu Company Limited

Inventor： Zhiqiang Chen ,  Wanlong Wu ,  Ziran Zhao ,  Guangwei Ding ,  Ming Ruan ,  Xilei Luo

IPC: G01N23/083

CPC classification number: G01N23/083 ,  G01N23/02 ,  G01N2223/316 ,  G21K1/025

Abstract: Embodiments of the present disclosure provide a collimating device and a ray inspection device. The collimating device comprises: a beam guiding cylinder, a first collimator mounted at an inlet end of the beam guiding cylinder; a second collimator mounted an outlet end of the beam guiding cylinder; a beam guiding cylinder adjusting device disposed adjacent to the inlet of the beam guiding cylinder to adjust a direction of the beam guiding cylinder such that the first collimator is aligned with the first direction. The outlet end of the beam guiding cylinder is fixed to the frame and the second collimator is aligned with an object to be irradiated by a radiation beam, and the beam guiding cylinder is configured to have flexibility to allow the adjusting device to adjust a direction towards which the inlet end of the beam guiding cylinder is directed, in a direction transverse to the first direction.

公开(公告)号：US20180173161A1

公开(公告)日：2018-06-21

申请号：US15562627

申请日：2016-08-19

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Ziran Zhao ,  Wanlong Wu ,  Zongjun Shen ,  Li Zhang ,  Yinong Liu ,  Yingkang Jin ,  Wentao Yu

IPC: G03H1/26 ,  G01S17/89

CPC classification number: G03H1/268 ,  G01N22/00 ,  G01S13/89 ,  G01S17/89 ,  G01V8/005 ,  G03H2001/0428

Abstract: An imaging device and an imaging method by millimeter wave 3D holographic scanning are disclosed. In an embodiment, the millimeter wave 3D holographic scanning imaging device may include: a conveying apparatus configured to convey an object located thereon in a first direction; and at least one millimeter wave transceiving module arranged beside the conveying apparatus, each configured to be enabled to scan the object when the conveying apparatus conveys the object through the respective millimeter wave transceiving module, wherein each millimeter wave transceiving module is arranged to have its longitudinal direction extend in a direction intersecting the first direction, and includes a millimeter wave transceiving antenna array for transceiving millimeter wave signals.

公开(公告)号：US20170184727A1

公开(公告)日：2017-06-29

申请号：US15282485

申请日：2016-09-30

Applicant: Nuctech Company Limited

Inventor： Ziran Zhao ,  Zhiqiang Chen ,  Yuanjing Li ,  Wanlong Wu ,  Yingkang Jin ,  Chenguang Zhu

IPC: G01T1/02 ,  A61N5/10

CPC classification number: G01T1/02 ,  A61N5/10 ,  A61N2005/1074 ,  G01V5/0016

Abstract: A human body radiation examining method and system are disclosed. In one aspect, the human body radiation examining method comprises: identifying a person to be examined. The method further comprises retrieving an accumulative radiation dose of the person according to identification result. The method further comprises obtaining a predicted single radiation scanning dose of a human body radiation examining device intended to perform a current radiation examination. The method further comprises calculating a sum value of the accumulative radiation dose of the person and the predicted single radiation scanning dose of the human body radiation examining device. The method further comprises determining whether to perform the current radiation examination on the person according to whether the sum value exceeds a dose limit. In some embodiments, the human body radiation examining system and method can improve the security of the human body radiation examination.