公开(公告)号：US20240310305A1

公开(公告)日：2024-09-19

申请号：US18575577

申请日：2022-07-06

Applicant: NUCTECH COMPANY LIMITED ,  Tsinghua University

Inventor： Zhiqiang CHEN ,  Li ZHANG ,  Qingping HUANG ,  Yong ZHOU ,  Hui DING ,  Xin JIN ,  Chao JI

IPC: G01N23/10 ,  G01N23/046 ,  G01N23/083

CPC classification number: G01N23/10 ,  G01N23/046 ,  G01N23/083 ,  G01N2223/204 ,  G01N2223/33 ,  G01N2223/50 ,  G01N2223/643

Abstract: An inspection system and method, and the system includes: a ray source; a detector assembly; and a conveying device for carrying an aviation pallet cargo. The ray source and the detector assembly are movable in a traveling direction parallel to the central axis relative to the conveying device so that the aviation pallet cargo enters an inspection region, the ray source is translatable between a plurality of scanning positions, and a translation distance of the ray source between two adjacent scanning positions is greater than a spacing between adjacent target spots of the ray source. When the ray source is located at one of the scanning positions, the ray source and the detector assembly move in the traveling direction and the ray source emits X-rays; and when the ray source and the detector assembly move a predetermined distance in the traveling direction, the ray source translates to another one of the plurality of scanning positions.

公开(公告)号：US20240248049A1

公开(公告)日：2024-07-25

申请号：US18575795

申请日：2022-07-07

Applicant: NUCTECH COMPANY LIMITED ,  TSINGHUA UNIVERSITY

Inventor： Zhiqiang CHEN ,  Li ZHANG ,  Qingping HUANG ,  Yong ZHOU ,  Zhenhua ZHAO ,  Hui DING ,  Xin JIN ,  Chao JI

IPC: G01N23/046

CPC classification number: G01N23/046 ,  G01N2223/3308 ,  G01N2223/401 ,  G01N2223/419 ,  G01N2223/5015

Abstract: Embodiments of the present application provides a ray scanning apparatus, which includes: a conveying device for conveying an object under inspection to pass through a scanning region of the ray scanning apparatus; a ray source assembly including a plurality of ray source modules, each of the ray source modules including at least one ray source point emitting a ray beam; and a detector assembly for detecting rays transmitting through the object under inspection during scanning and including a plurality of detector sets.

公开(公告)号：US20240219325A1

公开(公告)日：2024-07-04

申请号：US18574653

申请日：2022-07-06

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Li ZHANG ,  Zhiqiang CHEN ,  Qingping HUANG ,  Hui DING ,  Yong ZHOU ,  Xin JIN ,  Liming Yao

IPC: G01N23/10 ,  G01N23/046 ,  G01N23/083

CPC classification number: G01N23/10 ,  G01N23/046 ,  G01N23/083 ,  G01N2223/3303 ,  G01N2223/643

Abstract: Provided are an inspection system and an inspection method, the inspection system includes: a carrying device (300); at least one ray source (100) each includes a separate housing (110) to define a vacuum space and target spots enclosed within the housing (110), and a detector assembly (200). The at least one ray source (100) is rotatable between a plurality of scanning positions around a rotation axis relative to the carrying device (300). The at least one ray source (100) and the detector assembly (200) may be lifted or lowered along the rotation axis relative to the carrying device (300). When the at least one ray source (100) is located at one of scanning positions relative to the carrying device (300), the at least one ray source (100) and the detector assembly (200) are lifted or lowered along the rotation axis relative to the carrying device (300) and the at least one ray source (100) emits X-rays. After the at least one ray source (100) and the detector assembly (200) are lifted or lowered a predetermined distance relative to the carrying device (300), the at least one ray source (100) rotates around the rotation axis relative to the carrying device (300) to another one of scanning positions.

公开(公告)号：US20240092584A1

公开(公告)日：2024-03-21

申请号：US18255072

申请日：2021-11-22

Applicant: NUCTECH COMPANY LIMITED ,  TSINGHUA UNIVERSITY

Inventor： Li ZHANG ,  Zhiqiang CHEN ,  Yuanjing LI ,  Qingping HUANG ,  Weijun GUO ,  Liming YAO ,  Hui DING ,  Junhao LIU ,  Jiajia ZHOU

IPC: B65G13/10 ,  B65G13/12

CPC classification number: B65G13/10 ,  B65G13/12 ,  B65G21/2045

Abstract: A conveying device (100) and an inspection system (1000) are provided. The conveying device includes: a first support frame (1); a first conveying mechanism (2) and a second conveying mechanism (3) which are installed on the first support frame; and a switching mechanism (4) configured to selectively lift the first conveying mechanism or the second conveying mechanism in a vertical direction, such that the first conveying mechanism or the second conveying mechanism carries goods (401) and conveys the goods in a first horizontal direction or a second horizontal direction different from the first horizontal direction. The conveying device may achieve a positioning and a smooth continuous conveying of goods, and achieve a smooth conveying and a calibrated positioning of the goods in different postures.

公开(公告)号：US20190094407A1

公开(公告)日：2019-03-28

申请号：US16037810

申请日：2018-07-17

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Li ZHANG ,  Zhiqiang CHEN ,  Le SHEN ,  Qingping HUANG ,  Yunda SUN ,  Xin JIN ,  Hui DING ,  Yuxiang XING

IPC: G01V5/00 ,  G01N23/046

Abstract: The disclosure provides a scanning imaging system for security inspection of an object and an imaging method thereof, the system comprising: a conveying unit configured for bringing the object to move along a conveying direction; a plurality of radiographic sources at one side of the conveying unit, being arranged successively in a direction vertical to a plane, in which the conveying unit is located, and configured for alternately emitting ray beams to form a scanning area; a linear detector array at the other side of the conveying unit, being configured for detecting first projection images, which are formed after the ray beams emitted by the plurality of radiographic sources penetrate through the object, in the process of the object passing through the scanning area; an imaging unit configured for obtaining a first reconstructed image of the object based on the first projection images of the plurality of radiographic sources.

公开(公告)号：US20240377553A1

公开(公告)日：2024-11-14

申请号：US18574638

申请日：2022-07-06

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Zhiqiang CHEN ,  Li ZHANG ,  Qingping HUANG ,  Yong ZHOU ,  Hui DING ,  Xin JIN ,  Chao JI

IPC: G01V5/226

Abstract: Provided are an inspection method, and an inspection system including: at least one ray source; a detector assembly and a conveying device. At least one ray source and the detector assembly may move in a traveling direction relative to the conveying device, so that the to-be-inspected object may enter an inspection region. When viewed along a central axis of the inspection region, at least one ray source may translate between scanning positions, and a translation distance of at least one ray source between two adjacent scanning positions is greater than a spacing between adjacent target spots of each ray source. When at least one ray source is located at one scanning position, at least one ray source and the detector assembly move in the traveling direction and at least one ray source emits X-rays. After moving a predetermined distance, at least one ray source translates to another scanning position.

公开(公告)号：US20220357288A1

公开(公告)日：2022-11-10

申请号：US17661257

申请日：2022-04-28

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： Zhiqiang CHEN ,  Li ZHANG ,  Qingping HUANG ,  Yong ZHOU ,  Hui DING ,  Chao JI

IPC: G01N23/046 ,  G01N33/12 ,  G01N23/083

Abstract: The present disclosure relates to a static CT detection device, including: a shielding body, formed with a detection channel through which an object under detection can pass; a ray source, emitting rays for detecting the object under detection when the object under detection passes through the detection channel; and a detector, for acquiring the rays emitted by the ray source and having passed through the detection channel, wherein the shielding body is formed with an opening portion, and the opening portion extends from an inlet of the detection channel to an outlet of the detection channel.