公开(公告)号：US11768312B2

公开(公告)日：2023-09-26

申请号：US17420132

申请日：2020-01-03

Applicant: NUCTECH COMPANY LIMITED ,  NUCTECH (BEIJING) COMPANY LIMITED ,  TSINGHUA UNIVERSITY

Inventor： Quanwei Song ,  Xuping Fan ,  Junping Shi ,  Yuan He ,  Hui Meng ,  Chunguang Zong ,  Yu Hu ,  Shangmin Sun ,  Jinguo Cao

IPC: G01V5/00

CPC classification number: G01V5/0016

Abstract: The present disclosure relates to a security inspection device and a transfer method, and the security inspection device includes an arm frame, provided with detectors, and configured to form an inspection channel, a first compartment, internally provided with a radiation source and connected with the arm frame, a protection wall, connected with the first compartment or the arm frame, and configured to perform radiation protection for an object to be protected, and a tire, configured to enable the security inspection device to move relative to the ground, and the arm frame, the first compartment and the protection wall are set to be transported together in a connected state.

公开(公告)号：US11747510B2

公开(公告)日：2023-09-05

申请号：US17420676

申请日：2020-01-06

Applicant: NUCTECH COMPANY LIMITED ,  TSINGHUA UNIVERSITY ,  NUCTECH (BEIJING) COMPANY LIMITED

Inventor： Chunguang Zong ,  Quanwei Song ,  Kejin Gao ,  Shangmin Sun ,  Junping Shi ,  Yuan He ,  Yu Hu ,  Feng Wang ,  Jinguo Cao

IPC: G01V5/00 ,  G01N23/10

CPC classification number: G01V5/0066 ,  G01N23/10

Abstract: An inspection device is provided, includes a first vehicle body, a radiation source, arranged in the first vehicle body, a second vehicle body, a protective wall, arranged on the second vehicle body, a boom, and detectors, arranged on the boom, and the boom is rotatably connected to the first vehicle body and the second vehicle body, forms an inspection passage together with the first vehicle body and the second vehicle body. The inspection device can improve the adaptability.

公开(公告)号：US20200055355A1

公开(公告)日：2020-02-20

申请号：US16486654

申请日：2018-02-13

Applicant: Nuctech Company Limited

Inventor： Shangmin Sun ,  Hongqi Li ,  Yuan He ,  Quanwei Song ,  Qiangqiang Wang ,  Weifeng Yu

IPC: B60D1/24 ,  B60D1/52

Abstract: The disclosure relates to a traction device and a traction method. The traction device includes: a support chassis; a swing arm, one end of the swing arm is rotatably connected to the support chassis by a rotating shaft such that the swing arm can be switched in a retracted state and a deployed state, wherein the swing arm in the deployed state is adapted to drive the wheel of the vehicle to rotate and tow the vehicle; a driving mechanism, connected to the swing arm, wherein the driving mechanism is capable of driving the swing arm to horizontally rotate around the rotating shaft to switch the swing arm between the retracted state and the deployed state; and a rolling assembly, disposed on a side of the support chassis and being capable of preventing the wheel from contacting with the side of the support chassis when the vehicle is towed.

公开(公告)号：US10365397B2

公开(公告)日：2019-07-30

申请号：US15691747

申请日：2017-08-31

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Yuanjing Li ,  Shangmin Sun ,  Yu Hu ,  Yuan Ma ,  Qiangqiang Wang ,  Long Du ,  Wei Li

IPC: G01V5/00 ,  B66C13/16 ,  B66C19/00

Abstract: The present application relates to a container inspection system, comprising a radiation source (31), a radiation detection apparatus and a quay crane for hoisting a container onto an automated guided vehicle, said radiation source (31) and said radiation detection apparatus being provided on said quay crane, for performing a scanning inspection on said container loaded on said vehicle. The present application, which does not need a special allocation of approach of the radiation source and the radiation detection apparatus, conveniently effectuates scanning inspection of a container, and improving the inspection efficiency.

公开(公告)号：US10285252B2

公开(公告)日：2019-05-07

申请号：US15278043

申请日：2016-09-28

Applicant: Nuctech Company Limited

Inventor： Yu Hu ,  Shangmin Sun ,  Juan Zheng ,  Bicheng Liu

IPC: G21K1/04 ,  H05G1/30 ,  G01V5/00 ,  G01N23/083 ,  G21K1/10

Abstract: Provided is a dual-energy ray scanning system, which includes a ray source for alternately emitting a high energy ray and a low energy ray; a filter includes a low energy filtering element and a low energy transmitting element; a control device for synchronously controlling the ray source and the filter, and the low energy filtering element includes a plurality of filter sheets, the low energy transmitting element comprises a plurality of transmission sheets, the filter sheets and the transmission sheets are arranged alternately and surround the ray source to form a cavity, and the ray source is located on a central axis of the cavity.

公开(公告)号：US10129971B2

公开(公告)日：2018-11-13

申请号：US14900601

申请日：2013-11-19

Applicant: Nuctech Company Limited

Inventor： Shangmin Sun ,  Zhanfeng Qin ,  Sheng Yao ,  Weifeng Yu ,  Liwei Song ,  Chunguang Zong ,  Jinning Liang

IPC: G01N23/04 ,  H05H7/02 ,  H05H9/04 ,  G01V5/00

Abstract: The present invention provides a standing wave electron linear accelerator comprising a modulator and a magnetron for producing radio frequency microwaves; a plurality of accelerating tubes for accelerating electrons; a microwave transmission system for feeding the microwaves into the plurality of accelerating tubes; a plurality of electron guns for emitting electron beams into the plurality of accelerating tubes; a plurality of targets impinged by the electrons from a plurality of accelerating tubes to form continuous spectrums of X-rays; a plurality of shielding devices for shielding the continuous spectrums of X-rays generated by the targets; and a microwave distributor disposed adjacent to the end of the microwave transmission system, wherein the microwave distributor has a microwave inlet and a plurality of microwave outlets for distributing the microwaves in the microwave transmission system into the accelerating tubes.

公开(公告)号：US10082597B2

公开(公告)日：2018-09-25

申请号：US14837211

申请日：2015-08-27

Applicant: Nuctech Company Limited

Inventor： Quanwei Song ,  Kejin Gao ,  Xuping Fan ,  Liwei Song ,  Jianmin Li ,  Shangmin Sun ,  Yulan Li ,  Chunguang Zong ,  Jinning Liang ,  Sheng Tang

IPC: G01V5/00

CPC classification number: G01V5/0066 ,  G01V5/0016

Abstract: A mobile inspection system comprises: a stand; a ray source mounted to the stand and configured to generate a ray; a substantially inverted L-shaped detector beam comprising a horizontal detector beam portion and an upright detector beam portion connected to one end of the horizontal detector beam portion; a plurality of detectors configured to receive the ray emitted from the ray source, the plurality of detectors being disposed to at least one of the horizontal detector beam portion and the upright detector beam portion; and a drive device disposed to the stand, connected with the other end of the horizontal detector beam portion, and configured to drive the detector beam to rotate around an upright axis, wherein the ray source and the detector beam rotate synchronously.

公开(公告)号：US09910184B2

公开(公告)日：2018-03-06

申请号：US14965978

申请日：2015-12-11

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Jianmin Li ,  Yulan Li ,  Yuanjing Li ,  Hao Yu ,  Chunguang Zong ,  Jingyu Gu ,  Weifeng Yu ,  Quanwei Song ,  Weizhen Wang ,  Shangmin Sun ,  Yinong Liu ,  Junli Li ,  Chuanxiang Tang

IPC: G01V5/00 ,  G01N23/04 ,  G21K1/02

CPC classification number: G01V5/0016 ,  G01V5/0008 ,  G21K1/02

Abstract: The present disclosure discloses an alignment system and an alignment method for a container or vehicle inspection system, and an inspection system. The inspection system comprises comprising an ray source, a collimator, a detector arm and a detector module mounted on a detector arm, the ray source, the collimator and the detector module are arranged to form an inspection passage, a ray beam emitted from the ray source passes through collimator and irradiates onto an inspected object, and an attenuated ray beam is collected by the detector module so as to complete inspection. The alignment system comprises a measuring module arranged to receive the ray beam emitted from the collimator and to measure the ray beam so as to determine positions and orientations of the ray source and the collimator. With the alignment method, alignment between a center point of the ray source, a central line of a detector tip and a central line of the collimator may be more accurately measured.

公开(公告)号：US09857317B2

公开(公告)日：2018-01-02

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

IPC: G21K4/00 ,  G01N23/04 ,  G01V5/00 ,  G01T7/08 ,  G21K1/02

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.