Nuctech (Beijing) Company Limited

China

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IPC Class
G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity 27
G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material 9
G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners 5
G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material 4
G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor 3
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Status
Pending 3
Registered / In Force 39
Found results for  patents

1.

SECURITY INSPECTION DEVICE, SECURITY INSPECTION SYSTEM, AND SECURITY INSPECTION METHOD

      
Application Number 18715229
Status Pending
Filing Date 2022-12-26
First Publication Date 2025-01-30
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Li, Yuanjing
  • Sun, Shangmin
  • Zong, Chunguang
  • Song, Tao
  • Liu, Lei
  • Ma, Yuan
  • Yu, Weifeng
  • Liu, Bicheng

Abstract

A security inspection device, a security inspection system and a security inspection method are provided, the device includes: a support frame defining an inspection channel; a first X-ray accelerator provided at a position of a top portion of the support frame and the position is offset from a centerline of the inspection channel, where the first X-ray accelerator is configured to radiate a first X-ray towards the inspection channel to inspect an object; a second X-ray accelerator configured to radiate a second X-ray to the inspection channel to inspect the object; and a detector apparatus, including: detector modules provided on the support frame and facing the first X-ray accelerator and the second X-ray accelerator, the detector modules receive the first X-ray and/or the second X-ray to form a transmission image of the object; the first X-ray, the second X-ray, and the detector modules are located in the same plane.

IPC Classes  ?

  • G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners
  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
  • G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
  • G01P 3/64 - Devices characterised by the determination of the time taken to traverse a fixed distance

2.

MOBILE RADIATION INSPECTION APPARATUS AND MOBILE RADIATION INSPECTION SYSTEM

      
Application Number 18716943
Status Pending
Filing Date 2022-12-16
First Publication Date 2024-12-12
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Sun, Shangmin
  • Zong, Chunguang
  • Yang, Xuejing
  • Fan, Xuping
  • Song, Quanwei
  • Shi, Junping
  • Meng, Hui
  • Yang, Yang
  • Yu, Weifeng
  • Li, Ying
  • Wang, Dongyu
  • Liu, Lei
  • Liu, Bicheng
  • Chi, Haojie

Abstract

A mobile radiation inspection apparatus includes a vehicle body, a traveling mechanism, a boom assembly, a first imaging device, and a second imaging device. The boom assembly is mounted on the vehicle body and is configured to switch between an inspection state and a transportation state. The first imaging device includes a first ray source and a first ray detector both mounted on the boom assembly. The first ray source is positioned at the top of an inspection channel. The second imaging device includes a second ray source and a second ray detector. The second ray detector cooperates with the second ray source to detect rays emitted by the second ray source, and the second ray source is positioned on a side surface of the inspection channel. The mobile radiation inspection apparatus implements multi-angle and multi-mode scanning.

IPC Classes  ?

  • G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material

3.

VEHICLE SAFETY INSPECTION SYSTEM AND SAFETY INSPECTION METHOD

      
Application Number 18260008
Status Pending
Filing Date 2021-12-10
First Publication Date 2024-09-26
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Xu, Yanwei
  • Sun, Shangmin
  • Zong, Chunguang
  • Hu, Yu
  • Ma, Yuan

Abstract

A vehicle safety inspection system and method are provided. The vehicle safety inspection system includes: a scanning device mounted in an inspection region for scanning a detected vehicle; an imaging device for acquiring an image of the vehicle being driven into the inspection region; a recognition module for recognizing the image and determining a type of the vehicle according to a recognized image; a selection module for selecting a feature of a trunk of the vehicle according to a determined type of the vehicle; a position sensor for detecting a position of a predetermined part of the vehicle in the inspection region; and a controller for controlling the scanning device to scan and inspect the trunk when a front end section of the trunk of the vehicle is determined to enter a scanning region of the scanning device according to the feature and position of the vehicle.

IPC Classes  ?

  • G01V 5/22 - Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays

4.

ENERGY CALIBRATION DETERMINING METHOD AND APPARATUS FOR RADIOACTIVE DETECTOR, DEVICE, AND MEDIUM

      
Application Number CN2024076343
Publication Number 2024/165023
Status In Force
Filing Date 2024-02-06
Publication Date 2024-08-15
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Jin, Zengxue
  • Zhao, Kun
  • Wu, Yao
  • Hu, Chunxuan
  • Li, Yulan
  • Zhang, Tong

Abstract

An energy calibration determining method and apparatus for a radioactive detector, a device and a medium. The method comprises the following steps: acquiring background energy spectra of multiple known nuclides, the background energy spectra being obtained by performing detection on the multiple known nuclides by a radioactive detector (S110); performing differentiation on the background energy spectra to obtain a channel address-difference map, the channel address-difference map comprising multiple pieces of effective peak information determined from multiple pieces of full-energy peak information (S120); determining a target coefficient according to the channel address-difference map, wherein the target coefficient represents a calibration coefficient in an initial energy channel address function (S130); and determining a target energy channel address function according to the channel address-difference map and the initial energy channel address function, wherein the target energy channel address function represents the energy calibration of the radioactive detector (S140). The energy calibration determining apparatus comprises an acquisition module (610), a differentiation module (620), a first determining module (630), and a second determining module (640).

IPC Classes  ?

  • G01T 1/38 - Particle discrimination and measurement of relative mass, e.g. by measurement of loss of energy with distance (dE/dx)

5.

VEHICLE INSPECTION METHOD AND SYSTEM, AND STORAGE MEDIUM

      
Application Number CN2023141480
Publication Number 2024/140542
Status In Force
Filing Date 2023-12-25
Publication Date 2024-07-04
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Tu, Junjie
  • Wang, Yongming
  • Ni, Xiulin
  • Ran, Zhansen
  • Zheng, Dachuan
  • Meng, Luan

Abstract

The present disclosure relates to a vehicle inspection method and system and a storage medium. The vehicle inspection method is used for performing, by means of a radiation scanning device (30), radiation inspection on a vehicle passing through an inspection channel, and comprises: identifying an external optical image of the vehicle that has entered the inspection channel, to determine the type of the vehicle and the size of a radiation dose limited area in the vehicle; and selecting a scanning strategy of the radiation scanning device (30) for the vehicle according to the type of the vehicle, and switching a working mode of the radiation scanning device (30) according to the size of the radiation dose limited area in the vehicle and the operation position of the vehicle.

IPC Classes  ?

6.

SECURITY INSPECTION SYSTEM

      
Application Number CN2023141535
Publication Number 2024/140564
Status In Force
Filing Date 2023-12-25
Publication Date 2024-07-04
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Liu, Lei
  • Zong, Chunguang
  • Yu, Weifeng
  • Chi, Haojie
  • Ji, Zheng
  • Li, Tianyu

Abstract

A security inspection system (10), comprising: a movable carrier (1); a bearing device (2), which is separably arranged on the movable carrier (1), and is arranged on one side of the movable carrier (1) in a first direction (W) after being separated from the movable carrier (1), such that one side of the movable carrier (1) has a detection channel (26) through which an object to be inspected passes; a scanning system (3), which is configured for scanning and detecting said object passing through the detection channel (26), and comprises a first scanning device (4), the first scanning device (4) comprising a first ray source (41) and a first transmission detector (42) which match each other, one of the first ray source (41) and the first transmission detector (42) being arranged on the movable carrier (1), and the other one of the first ray source and the first transmission detector being arranged on the bearing device (2); and a connecting device (8), which is configured, after the bearing device (2) is separated from the movable carrier (1), for connecting the movable carrier (1) to the bearing device (2) arranged on one side of the movable carrier (1) in the first direction (W), such that the first ray source (41) and the first transmission detector (42) are coplanar with each other. Thus, the detection accuracy can be improved.

IPC Classes  ?

  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material

7.

RADIATION INSPECTION SYSTEM

      
Application Number CN2022140243
Publication Number 2023/125131
Status In Force
Filing Date 2022-12-20
Publication Date 2023-07-06
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Fan, Xuping
  • Song, Quanwei
  • Shi, Junping
  • He, Yuan
  • Meng, Hui

Abstract

A radiation inspection system, comprising: a radiation source (10) having an accelerator target (11); and a detector arm comprising an arm body (20) and a plurality of detector modules (30). The plurality of detector modules (30) are arranged on the arm body (20) along the length direction of the arm body (20), and each detector module (30) comprises a circuit board (31) and a plurality of detector crystals (32) mounted on the circuit board (31). The mounting directions of the plurality of detector crystals (32) in each detector module (30) are parallel to each other, and are arranged along a reference straight line (R) on the circuit board (31) at a preset included angle with respect to the reference straight line (R). The plurality of detector modules (30) correspond to at least two different preset included angles.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material

8.

SECURITY INSPECTION EQUIPMENT, SECURITY INSPECTION SYSTEM AND SECURITY INSPECTION METHOD

      
Application Number CN2022141913
Publication Number 2023/125409
Status In Force
Filing Date 2022-12-26
Publication Date 2023-07-06
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Li, Yuanjing
  • Sun, Shangmin
  • Zong, Chunguang
  • Song, Tao
  • Liu, Lei
  • Ma, Yuan
  • Yu, Weifeng
  • Liu, Bicheng

Abstract

Security inspection equipment, comprising: a frame (6), which defines an inspection channel extending in a first direction; a first X-ray accelerator (1), which is arranged at the top of the frame (6) and offset from a centre line of the inspection channel and is configured to radiate first X-rays (11) downward toward the inspection channel so as to inspect an item (7) to be inspected that is passing through the inspection channel; a second X-ray accelerator (2), which is configured to radiate second X-rays (21) to the inspection channel so as to inspect said item (7) that is passing through the inspection channel; and a detector device, which comprises a plurality of detector modules, wherein the plurality of detector modules are arranged on the frame (6) and face the first X-ray accelerator (1) and the second X-ray accelerator (2) and are used for receiving at least some of the first X-rays (11) and/or the second X-rays (21), so as to form a transmission image of said item (7). The first X-rays (11), the second X-rays (21) and the detector modules in the detector device are configured to be located in the same plane. Further comprised are a security inspection system, and a security inspection method applied to security inspection equipment.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material

9.

MOBILE RADIATION INSPECTION EQUIPMENT AND MOBILE RADIATION INSPECTION SYSTEM

      
Application Number CN2022139764
Publication Number 2023/125084
Status In Force
Filing Date 2022-12-16
Publication Date 2023-07-06
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Sun, Shangmin
  • Zong, Chunguang
  • Yang, Xuejing
  • Fan, Xuping
  • Song, Quanwei
  • Shi, Junping
  • Meng, Hui
  • Yang, Yang
  • Yu, Weifeng
  • Li, Ying
  • Wang, Dongyu
  • Liu, Lei
  • Liu, Bicheng
  • Chi, Haojie

Abstract

Mobile radiation inspection equipment and a mobile radiation inspection system, which relate to the field of security inspection and are used for expanding the functions of mobile radiation inspection equipment. The mobile radiation inspection equipment comprises a vehicle body (1), a travelling mechanism (2), a boom assembly (3), a first imaging device (4) and a second imaging device (5). The boom assembly (3) is mounted on the vehicle body (1) and is configured to switch between an inspection state and a transportation state. The first imaging device (4) comprises a first ray source and a first ray detector, which are mounted on the boom assembly (3). The first ray source is located at the top of an inspection channel (P). The second imaging device (5) comprises a second ray source and a second ray detector. The second ray detector cooperates with the second ray source, so as to detect rays emitted by the second ray source. The second ray source is located on a side surface of the inspection channel (P). The mobile radiation inspection equipment achieves multi-angle and multi-mode scanning.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

10.

MOBILE INSPECTION EQUIPMENT AND MOBILE INSPECTION METHOD

      
Application Number CN2022140198
Publication Number 2023/125122
Status In Force
Filing Date 2022-12-20
Publication Date 2023-07-06
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Fan, Xuping
  • Shi, Junping
  • Song, Quanwei
  • Meng, Hui
  • He, Yuan
  • Yang, Yang

Abstract

Mobile inspection equipment, comprising a moving body (100), a support assembly, a radiation source (5), a detector (13) and a first driving device (4). The moving body (100) is movably arranged. The support assembly is mounted on the moving body (100), and the support assembly is configured to retract with respect to the moving body (100) in a transport state of the mobile inspection equipment, and extend with respect to the moving body (100) in an inspection state of the mobile inspection equipment. The radiation source (5) and the detector (13) are mounted on the support assembly. The first driving device (4) is configured to drive the support assembly to rotate with respect to the moving body (100), so that the radiation source (5) and the detector (13) are switched between a retracted position and a working position. In the transport state, the radiation source (5) and the detector (13) are located at the retracted position, and in the inspection state, the radiation source (5) and the detector (13) are located at the working position. Also provided is a mobile inspection method.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

11.

VEHICLE RADIATION INSPECTION DEVICE AND VEHICLE RADIATION INSPECTION SYSTEM

      
Application Number CN2021138378
Publication Number 2022/143175
Status In Force
Filing Date 2021-12-15
Publication Date 2022-07-07
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Ji, Zheng
  • Liu, Lei
  • Ma, Yuan
  • Hu, Yu
  • Zong, Chunguang

Abstract

A vehicle radiation inspection device and a vehicle radiation inspection system. The vehicle radiation inspection device comprises: a scanning vehicle (110), comprising a scanning vehicle traveling portion (114), a scanning vehicle body (111), scanning apparatuses (1131, 1132), and a conveyor (112), the scanning vehicle traveling portion (114) being configured to drive the scanning vehicle (110) to travel, the scanning vehicle body (111) being provided on the scanning vehicle traveling portion (114) and forming a scanning channel (C), the scanning apparatuses being mounted on the scanning vehicle body (111) and being configured to scan and inspect a vehicle (200) to be inspected passing through the scanning channel (C), the conveyor (112) being provided at the bottom of the scanning vehicle body (111) and extending along the scanning channel (C), and being configured to convey, from one end of the scanning channel (C) to the other end of the scanning channel (C), the vehicle (200) to be inspected; and a carrying vehicle (120), comprising a carrying vehicle traveling portion (122), a carrying vehicle body (121) and a carrying portion (123), the carrying vehicle body (121) being provided on the carrying vehicle traveling portion (122), the carrying portion (123) being provided on the carrying vehicle body (121), and the carrying vehicle (120) being configured to transfer, between the ground (G) and the conveyor (112), the vehicle (200) to be inspected.

IPC Classes  ?

  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

12.

VEHICLE SAFETY INSPECTION SYSTEM AND SAFETY INSPECTION METHOD

      
Application Number CN2021136983
Publication Number 2022/143098
Status In Force
Filing Date 2021-12-10
Publication Date 2022-07-07
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Xu, Yanwei
  • Sun, Shangmin
  • Zong, Chunguang
  • Hu, Yu
  • Ma, Yuan

Abstract

A vehicle safety inspection system and a safety inspection method. The vehicle safety inspection system comprises: a scanning device (1), mounted in an inspection area (200) and applicable in scanning an inspected vehicle (100); an imaging device (3), applicable in acquiring a physical object image of the vehicle (100) being driven into the inspection area (200); a recognition module, applicable in recognizing the physical object image and determining the type of the vehicle (100) on the basis of the recognized physical object image; a selection module, applicable in selecting a feature of a trunk (105) of the vehicle (100) on the basis of the determined type of the vehicle (100); a position sensor (2), applicable in detecting the position at where a predetermined part of the vehicle (100) is located in the inspection area (200); and a controller, applicable in controlling the scanning device (1) to scan and inspect the trunk (105) insofar as a front end section (106) of the trunk (105) of the vehicle (100) is determined, on the basis of the selected feature and position of the vehicle (100), to have entered a scanning area (16) of the scanning device (1). The scanning device (1) only emits a radiation beam during the process of inspecting the trunk (105), thus ensuring that the driver and other occupants in the vehicle are not exposed to radiation.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

13.

Security inspection device

      
Application Number 17420676
Grant Number 11747510
Status In Force
Filing Date 2020-01-06
First Publication Date 2022-03-31
Grant Date 2023-09-05
Owner
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Zong, Chunguang
  • Song, Quanwei
  • Gao, Kejin
  • Sun, Shangmin
  • Shi, Junping
  • He, Yuan
  • Hu, Yu
  • Wang, Feng
  • Cao, Jinguo

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.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners

14.

Security inspection device and transfer method therefor

      
Application Number 17420678
Grant Number 11933934
Status In Force
Filing Date 2020-01-03
First Publication Date 2022-03-31
Grant Date 2024-03-19
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Fan, Xuping
  • Song, Quanwei
  • Hu, Yu
  • Sun, Shangmin

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 assembly, configured to enable the security inspection device to move relative to the ground, and the arm frame, the first compartment, the protection wall and the tire assembly are set to be transported together in a connected state.

IPC Classes  ?

  • G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners
  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

15.

Radiation inspection apparatus comprising a radiation inspection device and wheels and radiation inspection method

      
Application Number 17420681
Grant Number 11822043
Status In Force
Filing Date 2020-01-03
First Publication Date 2022-03-31
Grant Date 2023-11-21
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Chen, Zhiqiang
  • Li, Yuanjing
  • Zhang, Li
  • Li, Jianmin
  • Sun, Shangmin
  • Zong, Chunguang
  • Hu, Yu
  • Song, Quanwei
  • Zhou, Hejun
  • Yu, Weifeng
  • Cao, Jinguo
  • Fu, Bing

Abstract

The present disclosure provides a radiation inspection apparatus and a radiation inspection method. The radiation inspection apparatus includes: a radiation inspection device comprising a ray source and a detector that cooperates with the ray source to perform scanning inspection on an object to be inspected, the radiation inspection device having an inspection channel for the object to be inspected to pass through when scanning inspection is performed thereon; and traveling wheels provided at the bottom of the radiation inspection device to enable the radiation inspection apparatus to travel in an extension direction of the inspection channel, and the traveling wheels are configured to rotate 90° to enable the radiation inspection apparatus to travel in a direction perpendicular to the extension direction of the inspection channel.

IPC Classes  ?

  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
  • G01N 23/083 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays
  • G01N 23/087 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the radiation being X-rays using polyenergetic X-rays
  • G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners
  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/18 - Investigating the presence of defects or foreign matter

16.

Security inspection device and transfer method therefor

      
Application Number 17420132
Grant Number 11768312
Status In Force
Filing Date 2020-01-03
First Publication Date 2022-03-17
Grant Date 2023-09-26
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Song, Quanwei
  • Fan, Xuping
  • Shi, Junping
  • He, Yuan
  • Meng, Hui
  • Zong, Chunguang
  • Hu, Yu
  • Sun, Shangmin
  • Cao, Jinguo

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.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

17.

Vehicle inspection method, apparatus and system, and computer-readable storage medium

      
Application Number 17421709
Grant Number 12020518
Status In Force
Filing Date 2020-01-23
First Publication Date 2022-03-17
Grant Date 2024-06-25
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Wang, Yongming
  • Tu, Junjie
  • Gao, Chuan
  • Xu, Yanwei
  • Yu, Weifeng
  • Zong, Chunguang
  • Hu, Yu

Abstract

This disclosure provides a vehicle inspection method, apparatus, system, and computer-readable storage medium and relates to the field of security inspection technologies. The vehicle inspection method of the present disclosure includes: acquiring vehicle profile information of a vehicle through a first sensor that performs measurement in a direction perpendicular to a passage, and determining a feature point of the vehicle according to the vehicle profile information; determining a position of the vehicle in the passage through a second sensor that performs measurement in a direction along the passage, and determining a position of the feature point according to the position of the vehicle in the passage; and switching an operating mode of a ray source based on a preset strategy according to a position relation between the position of the feature point and the ray source.

IPC Classes  ?

  • G07C 5/08 - Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle, or waiting time
  • B60W 40/10 - Estimation or calculation of driving parameters for road vehicle drive control systems not related to the control of a particular sub-unit related to vehicle motion

18.

Back scattering inspection system and back scattering inspection method

      
Application Number 17255968
Grant Number 11614413
Status In Force
Filing Date 2020-01-03
First Publication Date 2021-11-25
Grant Date 2023-03-28
Owner
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Jianmin
  • Zhang, Li
  • Li, Yuanjing
  • Chen, Zhiqiang
  • Yu, Hao
  • Sun, Shangmin
  • Liu, Bicheng
  • Wang, Weizhen
  • Wang, Dongyu
  • Ma, Yuan
  • Hu, Yu
  • Zong, Chunguang

Abstract

The present disclosure provides a back scattering inspection system and a back scattering inspection method. The back scattering inspection system includes a frame and a back scattering inspection device. The rack includes a track arranged vertically or obliquely relative to the ground, and a space enclosed by the track forms an inspection channel; and the back scattering inspection device includes a back scattering ray emitting device and a back scattering detector, and the back scattering inspection device is movably disposed on the track for inspecting an inspected object passing through the inspection channel. The back scattering inspection system can perform back scattering inspection on a plurality of surfaces of the inspected object.

IPC Classes  ?

  • G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor
  • G01N 23/203 - Measuring back scattering

19.

Security scanning inspection system and method

      
Application Number 17255394
Grant Number 11822040
Status In Force
Filing Date 2020-01-06
First Publication Date 2021-09-02
Grant Date 2023-11-21
Owner
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Xu, Yanwei
  • Yu, Weifeng
  • Hu, Yu
  • Zong, Chunguang
  • Sun, Shangmin

Abstract

The present disclosure relates to a security scanning inspection system and method. The security scanning inspection system comprises a detector, a scanning device and a controller, wherein the detector is configured to detect a protective attribute of an object to be inspected; the scanning device is movably arranged and the scanning device is configured to emit a scanning ray during movement to perform a security scanning inspection on the object to be inspected, the scanning device comprising at least two working modes, wherein a dose of a scanning ray in each working mode is different from a dose of a scanning ray in any other working modes; and the controller configured to select a working mode of the scanning device according to the protective attribute of the object to be inspected detected by the detector.

IPC Classes  ?

  • G01S 17/894 - 3D imaging with simultaneous measurement of time-of-flight at a 2D array of receiver pixels, e.g. time-of-flight cameras or flash lidar
  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

20.

SURFACE CLEANING DEVICE FOR OPTICAL DEVICE, AND SAFETY EXAMINATION SYSTEM

      
Application Number CN2020073942
Publication Number 2020/228382
Status In Force
Filing Date 2020-01-23
Publication Date 2020-11-19
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Ke
  • Xu, Yanwei
  • Meng, Defang
  • Ye, Lichao
  • Yu, Weifeng
  • Hu, Yu
  • Zong, Chunguang
  • Sun, Shangmin

Abstract

Disclosed are a surface cleaning device for an optical device, and a safety examination system. The surface cleaning device for an optical device comprises: a gas blowing member (5) having a gas blowing opening (53) configured towards a surface to be cleaned (6) of the optical device (6A); and a gas source module (10) configured to provide a compressed gas to the gas blowing member (5), such that the compressed gas is blown through the gas blowing opening (53) towards the surface to be cleaned (6) so as to perform contaminant removal. The device performs automatic cleaning of a surface of an optical device by blowing a compressed gas, which can decrease the cost and difficulty in maintaining the optical device, decrease the false detection rate of the optical device, and thus improve the use efficiency of the optical device.

IPC Classes  ?

  • B08B 5/02 - Cleaning by the force of jets, e.g. blowing-out cavities
  • G01N 21/94 - Investigating contamination, e.g. dust

21.

SAMPLE TRANSPORTATION AND DETECTION DEVICE AND SYSTEM

      
Application Number CN2020070467
Publication Number 2020/224288
Status In Force
Filing Date 2020-01-06
Publication Date 2020-11-12
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Liang, Zheng
  • Sun, Shangmin
  • Zong, Chunguang
  • Hu, Yu
  • Zhou, Hejun
  • Fu, Bing
  • Wang, Qiangqiang
  • Meng, Hui
  • He, Yuan
  • Li, Ying

Abstract

Embodiments of the present application provide a sample transportation and detection device and system. The sample transportation and detection device is configured to work in concert with an irradiation device and comprises a feeding port, a discharging port, and an irradiation bearing part, a detection part and transportation rails provided between the feeding port and the discharging port. The irradiation bearing part is configured to work in concert with the irradiation device so as to enable a sample under test to receive irradiation; the detection part comprises a detection element used for detecting the sample under test; the transportation rails comprise a feeding rail connected between the feeding port and the detection part, and a discharging rail connected between the discharging port and the irradiation bearing part, and the feeding rail and the discharging rail are crossed to form a crossed area so that the sample under test can move from the crossed area to any one of the irradiation bearing part, the discharging port, and the detection part. By forming the crossed area on the transportation rails, a sample under test can be simply and conveniently irradiated and/or detected, and the sample transportation and detection device is simple in structure and convenient to operate.

IPC Classes  ?

  • B65G 35/00 - Mechanical conveyors not otherwise provided for
  • G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor

22.

VEHICLE INSPECTION METHOD, APPARATUS AND SYSTEM, AND COMPUTER-READABLE STORAGE MEDIUM

      
Application Number CN2020073946
Publication Number 2020/207104
Status In Force
Filing Date 2020-01-23
Publication Date 2020-10-15
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Wang, Yongming
  • Tu, Junjie
  • Gao, Chuan
  • Xu, Yanwei
  • Yu, Weifeng
  • Zong, Chunguang
  • Hu, Yu

Abstract

Provided are a vehicle inspection method, apparatus and system, and a computer-readable storage medium, which relate to the technical field of security inspection. The vehicle inspection method comprises: acquiring vehicle contour information by means of a first sensor for measurement in a direction perpendicular to the direction of a passage, and determining feature points of a vehicle according to the vehicle contour information; determining the position of the vehicle in the passage by means of a second sensor for measurement along the direction of the passage, and determining the position of the feature points according to the position of the vehicle in the passage; and switching the working mode of a radiation source on the basis of a pre-determined strategy and according to the relationship between the position of the feature points and the position of the radiation source. By means of the method, the position and side contour of a vehicle can be obtained on the basis of detection results of first and second sensors, and then the occasion for switching the working mode of a radiation source is determined, thereby improving the accuracy of the determined working mode switching occasion.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01B 15/04 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring contours or curvatures
  • G01B 15/00 - Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons

23.

VEHICLE SAFETY INSPECTION SYSTEM AND INSPECTION METHOD

      
Application Number CN2020073801
Publication Number 2020/156438
Status In Force
Filing Date 2020-01-22
Publication Date 2020-08-06
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Li, Juxuan
  • Xu, Yanwei
  • Yu, Weifeng
  • Ma, Yuan
  • Hu, Yu
  • Zong, Chunguang
  • Sun, Shangmin

Abstract

Provided is a vehicle safety inspection system. The system comprises: a scanning device, wherein the scanning device comprises an accelerator (110) and a detector (120) and is configured to carry out scanning imaging on a vehicle; a first sensor (S0) arranged in a vehicle approaching direction of the accelerator (110) and configured to detect whether there is a vehicle passing by; a second sensor (S1) arranged between the accelerator (110) and the first sensor (S0) and configured to detect whether there is a vehicle passing by; and a controller configured to preheat the accelerator (110) when the first sensor (S0) detects that there is a vehicle passing by, and to control, when the second sensor (S1) detects that there is a vehicle passing by, the accelerator (110) to emit a beam with a first dose meeting a safety condition for radiation protection of a person in the vehicle so as to carry out safety inspection on the vehicle.

IPC Classes  ?

  • G01N 23/04 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and forming images of the material
  • G01V 8/10 - Detecting, e.g. by using light barriers

24.

RADIATION INSPECTION APPARATUS AND RADIATION INSPECTION METHOD

      
Application Number CN2020070279
Publication Number 2020/140972
Status In Force
Filing Date 2020-01-03
Publication Date 2020-07-09
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Chen, Zhiqiang
  • Li, Yuanjing
  • Zhang, Li
  • Li, Jianmin
  • Sun, Shangmin
  • Zong, Chunguang
  • Hu, Yu
  • Song, Quanwei
  • Zhou, Hejun
  • Yu, Weifeng
  • Cao, Jinguo
  • Fu, Bing

Abstract

Disclosed are a radiation inspection apparatus (20) and a radiation inspection method. The radiation inspection apparatus (20) comprises: a radiation detection device comprising a ray source and a detector (50) cooperating with the ray source so as to scan and inspect an inspected object (10), wherein the radiation detection device is provided with an inspection channel (24) allowing the inspected object (10) to pass through when same is scanned and inspected; and travelling wheels (27) arranged at the bottom of the radiation detection device and used for the radiation inspection apparatus (20) to travel in an extension direction of the inspection channel (24), wherein the travelling wheels (27) are configured to be capable of rotating 90°, such that the radiation inspection apparatus (20) travels in a direction perpendicular to the extension direction of the inspection channel (24). The radiation inspection apparatus (20) and the radiation inspection method can realize continuous scanning inspection of a plurality of rows of inspected objects (10), thereby improving the use efficiency of the radiation inspection apparatus (20).

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

25.

SAFETY INSPECTION APPARATUS AND TRANSFER METHOD THEREFOR

      
Application Number CN2020070302
Publication Number 2020/140977
Status In Force
Filing Date 2020-01-03
Publication Date 2020-07-09
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Fan, Xuping
  • Song, Quanwei
  • Hu, Yu
  • Sun, Shangmin

Abstract

A safety inspection apparatus and a transfer method therefor, wherein the safety inspection apparatus comprises: an arm stand (1) provided with a plurality of detectors (11) and used for forming an inspection channel (A); a first cabin (3) provided with a ray source therein and connected to the arm stand (1); a protection wall (2) connected to the first cabin (3) or the arm stand (1) and used for performing ray protection on an object to be protected; and a tire assembly used for moving the safety inspection apparatus with respect to the ground. The arm stand (1), the first cabin (3), and the protection wall (2) are configured to be transported together in a connection state.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

26.

CONTAINER IDENTIFICATION SYSTEM AND METHOD, SAFETY INSPECTION DEVICE, AND PORT FACILITY

      
Application Number CN2020070304
Publication Number 2020/140978
Status In Force
Filing Date 2020-01-03
Publication Date 2020-07-09
Owner
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Jianmin
  • Zhang, Li
  • Li, Yuanjing
  • Chen, Zhiqiang
  • Wang, Yongming
  • Yu, Weifeng
  • Xu, Yanwei
  • Zong, Chunguang
  • Hu, Yu
  • Sun, Shangmin

Abstract

A container identification system and method, a safety inspection device, and a port facility. The container identification system comprises: a gantry (5) having a passage for a cabinet (1) to be identified to pass through; a regional laser scanner (2) disposed at the gantry (5) and used to detect a current location of the cabinet (1); and an identifier acquisition component disposed at the gantry (5) and used to acquire, according to the current location of the container (1), an identifier on each given surface of the container (1).

IPC Classes  ?

  • G06K 7/10 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation

27.

MOBILE INSPECTION SYSTEM AND INSPECTION METHOD

      
Application Number CN2020070309
Publication Number 2020/140979
Status In Force
Filing Date 2020-01-03
Publication Date 2020-07-09
Owner
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Ying
  • Sun, Shangmin
  • Liang, Zheng
  • Yang, Xuejing
  • Zong, Chunguang
  • Hu, Yu
  • Ran, Zhansen
  • Zhu, Weiping

Abstract

Disclosed are a mobile inspection system and an inspection method. The mobile inspection system comprises a movable device (2), a radiation inspection device (1), a gas detection device, and a control device. The gas detection device comprises a sampling detection apparatus and a position-adjusting mechanism (4), wherein the sampling detection apparatus comprises a first sampler (5) and a sample detection portion (3), the first sampler (5) is arranged on the position-adjusting mechanism (4) and samples gas inside a box body at a sampling position so as to obtain a sampled sample, the sample detection portion (3) is used for detecting the sampled sample obtained by the first sampler (5), and the position-adjusting mechanism (4) is arranged on the movable device (2) for adjusting the position of the first sampler (5) relative to the movable device (2); and the control device is in signal connection with the movable device (2) and the gas detection device, and controls at least one of movement of the movable device (2) and action of the position-adjusting mechanism (4) so as to move the first sampler (5) to the sampling position. The box body can be subjected to radiation inspection by using the inspection system, and gas sampling detection auxiliary judgment is also carried out.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 33/00 - Investigating or analysing materials by specific methods not covered by groups

28.

SECURITY INSPECTION DEVICE AND SITE TRANSFER METHOD THEREFOR

      
Application Number CN2020070310
Publication Number 2020/140980
Status In Force
Filing Date 2020-01-03
Publication Date 2020-07-09
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Song, Quanwei
  • Fan, Xuping
  • Shi, Junping
  • He, Yuan
  • Meng, Hui
  • Zong, Chunguang
  • Hu, Yu
  • Sun, Shangmin
  • Cao, Jinguo

Abstract

A security inspection device and a site transfer method therefor. The security inspection device comprises: an arm frame (1) provided with multiple detectors (11) and forming an inspection channel (A); a first compartment (3) provided with a radiation source therein and connected to the arm frame (1); a protection wall (2) connected to the first compartment (3) or the arm frame (1), and used to protect an object to be protected from radiation; and a tire (4) enabling the security inspection device to move relative to the ground, wherein the arm frame (1), the first compartment (3) and the protection wall (2) are configured to be connected together for transport.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

29.

BACK-SCATTERING INSPECTION SYSTEM AND BACK-SCATTERING INSPECTION METHOD

      
Application Number CN2020070317
Publication Number 2020/140982
Status In Force
Filing Date 2020-01-03
Publication Date 2020-07-09
Owner
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Jianmin
  • Zhang, Li
  • Li, Yuanjing
  • Chen, Zhiqiang
  • Yu, Hao
  • Sun, Shangmin
  • Liu, Bicheng
  • Wang, Weizhen
  • Wang, Dongyu
  • Ma, Yuan
  • Hu, Yu
  • Zong, Chunguang

Abstract

A back-scattering inspection system and a back-scattering inspection method. The back-scattering inspection system comprises a rack (1) and a back-scattering inspection device (2). The rack (1) comprises tracks arranged vertically or obliquely with respect to the ground, and the space enclosed by the tracks forms an inspection passage. The back-scattering inspection device (2) comprises a back-scattering ray-emitting device (3) and a back-scattering detector (4), and the back-scattering inspection device (2) is movably arranged on the tracks and is used for inspecting an inspected object passing through the inspection passage. The back-scattering inspection system can perform back-scattering inspection on a plurality of surfaces of the inspected object.

IPC Classes  ?

  • G01N 23/203 - Measuring back scattering
  • G01N 23/20008 - Constructional details of analysers, e.g. characterised by X-ray source, detector or optical systemAccessories thereforPreparing specimens therefor

30.

SECURITY CHECK DEVICE

      
Application Number CN2020070386
Publication Number 2020/140992
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Zong, Chunguang
  • Song, Quanwei
  • Gao, Kejin
  • Sun, Shangmin
  • Shi, Junping
  • He, Yuan
  • Hu, Yu
  • Wang, Feng
  • Cao, Jinguo

Abstract

A security check device, comprising: a first vehicle body (100) and a radiation source (110) provided in the first vehicle body (100); a second vehicle body (200) and a protective wall (210) provided on the second vehicle body (200); a boom (400) and multiple detectors (500) provided on the boom (400), where the boom (400) is rotatably connected to the first vehicle body (100) and to the second vehicle body (200) and is used for forming a checking channel jointly with the first vehicle body (100) and the second vehicle body (200). The check device increases the degree of adaptability.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/00 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or

31.

WALKABLE SAFETY CHECK DEVICE AND CONTROL METHOD

      
Application Number CN2020070412
Publication Number 2020/140993
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Fu, Bing
  • Yu, Weifeng
  • Ran, Zhansen
  • Jiang, Ruixin
  • Guo, Chao
  • Xu, Yanwei
  • Zhou, Hejun
  • Hu, Yu
  • Zong, Chunguang
  • Sun, Shangmin

Abstract

A walkable safety check device and a control method. The walkable safety check device comprises: a first body (10) and a radiation source (40) disposed in the first body (10); a second body (20); an arm (30) and multiple detectors (50) provided on the arm (30), the arm (30) being rotatably connected to the first body (10) and the second body (20), separately; at least two independently driven and independently steered first drive wheels (60), disposed on the first body (10), and configured to achieve walking and steering of the first body (10); and at least two independently driven and independently steered second drive wheels (70), disposed on the second body (20), and configured to achieve walking and steering of the second body (20).

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material

32.

SECURITY SCANNING AND INSPECTION SYSTEM AND SECURITY SCANNING AND INSPECTION METHOD

      
Application Number CN2020070470
Publication Number 2020/140997
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
Inventor
  • Xu, Yanwei
  • Yu, Weifeng
  • Hu, Yu
  • Zong, Chunguang
  • Sun, Shangmin

Abstract

Disclosed are a security scanning and inspection system and a security scanning and inspection method. The security scanning and inspection system comprises a detection device, a scanning device (1), and a control device, wherein the detection device is used for detecting the protection properties of inspected objects (2; 2'); the scanning device (1) is movably arranged, the scanning device (1) is used for emitting scanning rays during the movement to perform security scanning and inspection on the inspected objects (2; 2'), and the scanning device (1) has at least two operation modes, with the dose of scanning rays corresponding to each operation mode being different from the dose of scanning rays corresponding to that of the other operation mode; and the control device is used for adjusting the operation mode of the scanning device (1) according to the protection properties of the inspected objects (2;2') detected by the detection device so as to achieve effective avoidance for the inspected objects (2; 2') that need to be avoided.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

33.

SAFETY INSPECTION DEVICE

      
Application Number CN2020070471
Publication Number 2020/140998
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Fan, Xuping
  • Song, Quanwei
  • Shi, Junping
  • He, Yuan
  • Meng, Hui
  • Gao, Kejin

Abstract

A safety inspection device, relating to the field of ray safety inspection devices and for use in optimizing a structure of an existing safety inspection device, so that the safety inspection device is facilitated to be transferred and transported. The safety inspection device comprises an arm support (1) and a cabin body (2); wherein the arm support (1) comprises a crossbeam (11), a first vertical beam (12), and a second vertical beam (13); the first vertical beam (12) is provided at a first end of the crossbeam (11); the second vertical beam (13) is rotatably provided at a second end of the crossbeam (11); the second vertical beam (13) is constructed to rotate to a position attaching to the crossbeam (11); the first vertical beam (12) and the cabin body (2) are rotatably connected by means of a connection member (7); the connection member (7) is rotatably connected to the cabin body (2); and the first vertical beam (12) is constructed to rotate to a position attaching to the top surface of the cabin body (2).

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material

34.

SECURITY INSPECTION DEVICE

      
Application Number CN2020070477
Publication Number 2020/140999
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Song, Quanwei
  • Fan, Xuping
  • Meng, Hui
  • Gao, Kejin
  • Hu, Yu
  • Sun, Shangmin
  • Zhou, Hejun

Abstract

A security inspection device, relating to the field of x-ray security inspection devices and used for optimizing the structure of security inspection device. The security inspection device comprises an arm frame (1), a chamber component (2), and a walking apparatus (4); the arm frame (1) is provided on the chamber component (2) in a lifting manner; the walking apparatus (4) is provided on the bottom of the chamber component (2) and at least partially located right below the chamber component (2). The security inspection device is simple in switching of a transportation state and an operating state, and even if an operating site is changed, there is no need for additional disassembly actions; the use is convenient and fast, no mounting and debugging is required on site, and no additional civil engineering is required.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material

35.

SECURITY INSPECTION DEVICE

      
Application Number CN2020070483
Publication Number 2020/141000
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Jianmin
  • Zhang, Li
  • Li, Yuanjing
  • Chen, Zhiqiang
  • Wang, Feng
  • Shi, Junping
  • He, Yuan
  • Chen, Chao
  • Huang, Wei
  • Yang, Yang
  • Sun, Shangmin
  • Zong, Chunguang
  • Hu, Yu

Abstract

Provided is a security inspection device, comprising: a door-type frame, comprising a horizontal arm (1) located at the top and two vertical arms (2) located on both sides of the horizontal arm (1) and connected to the horizontal arm (1); the door-type frame forms a detection passageway by means of an area surrounded by the horizontal arm (1) and the two vertical arms (2); an an item detection assembly (3) based on radiation imaging, at least partially arranged in the door-type frame and used for detecting items which pass through the door-type frame; the horizontal arm (1) comprises an extendable/retractable device (11), the telescopic motion of which can change the length of the horizontal arm (1).

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/10 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material and measuring the absorption the material being confined in a container, e.g. in luggage X-ray scanners

36.

MOVABLE SECURITY INSPECTION DEVICE

      
Application Number CN2020070491
Publication Number 2020/141002
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Chen, Zhiqiang
  • Li, Yuanjing
  • Zhang, Li
  • Li, Jianmin
  • Gao, Kejin
  • Shi, Junping
  • He, Yuan
  • Wang, Feng
  • Cao, Yapeng
  • Li, Hongqi
  • Sun, Shangmin
  • Zong, Chunguang
  • Hu, Yu

Abstract

Disclosed is a movable security inspection device, comprising: a portal frame (1) comprising a cross beam (11) at the top and two vertical beams (12) located on two sides of the cross beam (11) and connected with the cross beam (11); an object detection assembly (4) based on radiation imaging, with the object detection assembly being at least partially arranged on the portal frame (1) and being configured to detect an object passing through the portal frame (1); wheel-type ground traveling devices (5) respectively arranged at the lower ends of the two vertical beams (12) and capable of enabling the movable security inspection device to travel and steer relative to the ground by means of the traveling movement of the wheel-type ground traveling devices; and a connecting support (3) connected to an upper end of at least one of the two vertical beams (12) and configured to support and connect the cross beam (11), wherein the connecting support (3) can form at least one tolerance clearance with the two vertical beams (12) and the cross beam (11) respectively, or with the cross beam (11) and the two vertical beams (12).

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

37.

Laser speed measuring method, control device and laser velocimeter

      
Application Number 16826235
Grant Number 11573322
Status In Force
Filing Date 2020-03-22
First Publication Date 2020-07-09
Grant Date 2023-02-07
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Jian
  • Sun, Shangmin
  • Wang, Yongming
  • Xu, Yanwei
  • Yu, Weifeng
  • Hu, Yu
  • Zong, Chunguang

Abstract

The present disclosure provides a laser speed measuring method, control device and a laser velocimeter, and relates to the technical field of security inspection. The laser speed measuring method comprises the steps of: acquiring detection data within a predetermined detection angle range in a plurality of paralleled horizontal planes having different heights, from a plurality of laser rays detected towards a road extending direction in the horizontal plane; acquiring three-dimensional point cloud data according to the detection data; determining a position of a measured object in the road extending direction according to the three-dimensional point cloud data; and determining a speed of the measured object according to the position change of the measured object along the road extending direction at different timing.

IPC Classes  ?

  • G01S 17/58 - Velocity or trajectory determination systemsSense-of-movement determination systems
  • G01S 7/48 - Details of systems according to groups , , of systems according to group
  • G01S 7/481 - Constructional features, e.g. arrangements of optical elements
  • G01S 17/08 - Systems determining position data of a target for measuring distance only

38.

RADIATION INSPECTION EQUIPMENT

      
Application Number CN2020070314
Publication Number 2020/140981
Status In Force
Filing Date 2020-01-03
Publication Date 2020-07-09
Owner
  • NUCTECH COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Sun, Shangmin
  • Song, Quanwei
  • Zong, Chunguang
  • Hu, Yu
  • Zhou, Hejun
  • Yu, Weifeng
  • Shi, Junping
  • Fan, Xuping
  • Cao, Jinguo

Abstract

Radiation inspection equipment, having an inspection state and a transportation state, comprising a radiation detection device and protective walls (3). The radiation detection device comprises a ray source and a detector cooperating with the ray source. In the inspection state, the radiation detection device has an inspection channel (5) through which a subject passes. Each protective wall (3) comprises a plurality of movable wall bodies to make the protective wall (3) deformable. In the inspection state, the protective walls (3) are located on both sides of the inspection channel (5) to prevent radiation leakage. In the transportation state, at least some of the wall bodies of the protective wall (3) are closer to the radiation detection device in the direction of the inspection channel (5) than in the inspection state. High safety is provided during radiation inspection of the radiation inspection equipment in the inspection state, and in the transportation state, the overall transportation of the radiation inspection equipment is facilitated.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

39.

SECURITY CHECK DEVICE AND SECURITY CHECK DEVICE-BASED TRANSITION METHOD

      
Application Number CN2020070463
Publication Number 2020/140995
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Fan, Xuping
  • Song, Quanwei
  • Shi, Junping
  • He, Yuan
  • Meng, Hui
  • Gao, Kejin
  • Hu, Yu
  • Zong, Chunguang
  • Sun, Shangmin

Abstract

A security check device and a security check device-based transition method, the security check device comprising an arm frame (1), a first cabin (2), a protective wall (3) and a moving assembly. The arm frame (1) is provided with a plurality of detectors and is used for forming a checking channel (5); the first cabin (2) is provided with a radiation source and is connected to the arm frame (1); the protective wall (3) is connected to the first cabin (2) or the arm frame (1) and is used for carrying out ray protection on an object to be protected; and the moving assembly is used for moving the arm frame (1), the first cabin (2) and the protective wall (3) relative to ground (7). The security check device-based transition method comprises configuring the arm frame (1), the first cabin (2) and the protective wall (3) to be transported together in a connected state, which may improve the transition efficiency.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

40.

SECURITY CHECK DEVICE AND TRANSITION METHOD BASED ON SAME

      
Application Number CN2020070469
Publication Number 2020/140996
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
  • TSINGHUA UNIVERSITY (China)
Inventor
  • Fan, Xuping
  • Song, Quanwei
  • Sun, Shangmin
  • Shi, Junping
  • He, Yuan
  • Hu, Yu

Abstract

A security check device and a transition method based on the security check device, the security check device comprising a cantilever (1), a first cabin (2) and a protective wall (3). The cantilever (1) is provided with a plurality of detectors and is used for forming a checking channel (5); the first cabin (2) is provided with a radiation source and is connected to the cantilever (1); and the protective wall (3) is connected to the first cabin (2) or the cantilever (1) and is used for carrying out ray protection on an object to be protected. The cantilever (1), the first cabin (2) and the protective wall (3) are configured so as to be transported together in a connected state.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
  • G01N 23/02 - Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups , or by transmitting the radiation through the material

41.

SAFETY INSPECTION DEVICE

      
Application Number CN2020070488
Publication Number 2020/141001
Status In Force
Filing Date 2020-01-06
Publication Date 2020-07-09
Owner
  • TSINGHUA UNIVERSITY (China)
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Jianmin
  • Zhang, Li
  • Li, Yuanjing
  • Chen, Zhiqiang
  • Shi, Junping
  • Wang, Feng
  • He, Yuan
  • Gao, Kejin
  • Han, Wenxue
  • Feng, Shunchang
  • Sun, Shangmin

Abstract

A safety inspection device, comprising: a portal frame comprising a cross arm (1) located at the top and two vertical arms (2) located at both sides of the cross arm (1) and connected to the cross arm (1), and an area enclosed by the cross arm (1) and the two vertical arms (2) constituting a detection channel; rotary support devices (22) respectively connected to the upper ends of the two vertical arms (2) for supporting the cross arm (1) and configured to rotate the two vertical arms (2) about the vertical axes thereof respectively by means of its rotational motion; and a radiation imaging-based object detection component (3) at least partially provided in the portal frame and configured to detect objects passing through the portal frame, wherein the cross arm (1) comprises a telescopic device (11) that can change the length of the cross arm (1) by means of its telescopic motion.

IPC Classes  ?

  • G01V 5/00 - Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity

42.

TRAIN WHEELBASE DETECTION METHOD AND SYSTEM

      
Application Number CN2019089522
Publication Number 2020/010962
Status In Force
Filing Date 2019-05-31
Publication Date 2020-01-16
Owner
  • NUCTECH COMPANY LIMITED (China)
  • NUCTECH (BEIJING) COMPANY LIMITED (China)
Inventor
  • Li, Jian
  • Xu, Yanwei
  • Wang, Yongming
  • Yu, Weifeng
  • Li, Juxuan
  • Ma, Yuan
  • Sun, Shangmin
  • Zong, Chunguang
  • Hu, Yu

Abstract

Disclosed are a train wheelbase detection method and system. The method comprises: determining, according to sensing data of at least two non-contact sensors arranged on an outer side of a train track, whether a train wheel is currently passing through the at least two non-contact sensors; and when it is determined that a train wheel is currently passing through the at least two non-contact sensors, calculating a movement speed of the train wheel according to the sensing data of the at least two non-contact sensors, calculating a first time interval when adjacent train wheels pass through the same non-contact sensor in the at least two non-contact sensors, and calculating the wheelbase of the adjacent train wheels according to the movement speed and the first time interval. The method and system can improve the adaptability of train wheel wheelbase detection.

IPC Classes  ?

  • B61K 9/08 - Measuring installations for surveying permanent way