WO2020010970A1 - 辐射检查系统 - Google Patents

辐射检查系统 Download PDF

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Publication number
WO2020010970A1
WO2020010970A1 PCT/CN2019/090298 CN2019090298W WO2020010970A1 WO 2020010970 A1 WO2020010970 A1 WO 2020010970A1 CN 2019090298 W CN2019090298 W CN 2019090298W WO 2020010970 A1 WO2020010970 A1 WO 2020010970A1
Authority
WO
WIPO (PCT)
Prior art keywords
frame
platform
inspection system
chassis
radiation
Prior art date
Application number
PCT/CN2019/090298
Other languages
English (en)
French (fr)
Chinese (zh)
Inventor
宋全伟
李营
夏茂辉
王伟珍
于昊
李荐民
史俊平
李玉兰
宗春光
陈志强
李元景
张丽
Original Assignee
同方威视技术股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 同方威视技术股份有限公司 filed Critical 同方威视技术股份有限公司
Priority to PL437308A priority Critical patent/PL242104B1/pl
Publication of WO2020010970A1 publication Critical patent/WO2020010970A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
    • G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
    • G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
    • G01V5/232—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays having relative motion between the source, detector and object other than by conveyor
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
    • G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material

Definitions

  • the present disclosure relates to the technical field of radiation scanning imaging inspection, and in particular, to a radiation inspection system.
  • the combined mobile inspection system has the advantage of high image quality.
  • the current combined mobile inspection systems are mostly horizontal viewing angles, that is, the ray source and detector are distributed on both sides of the scanning channel, resulting in a large footprint.
  • the system can only scan one vehicle at a time, and the remaining vehicles need to wait in line, and the passing rate is low. And the system is not convenient to relocate.
  • a vehicle inspection system includes: a platform with a top for carrying an object to be detected; and a frame movable relative to the platform, the frame being formed to allow the object to be carried on the platform to pass through A channel; a ray source and a first detector for receiving rays from the ray source; wherein one of the ray source and the first detector is provided on the top of the frame; the ray The other of the source and the first detector is movably provided at the bottom of the platform.
  • the ray source is disposed on the top of the frame; the first detector is movably disposed on the bottom of the platform.
  • the first detector is disposed on the top of the frame; the ray source is movably disposed on the bottom of the platform.
  • a vehicle inspection system includes: a platform with a top for carrying an object to be detected; and a frame movable relative to the platform, the frame being formed to allow the object to be carried on the platform to pass through A channel; a ray source provided at the top of the frame; a chassis movably provided at the bottom of the platform; and a first detector provided on the chassis for receiving rays from the ray source .
  • the radiation inspection system includes a second detector disposed on both sides of the frame for receiving radiation from the radiation source.
  • the platform sequentially carries at least two detected objects along the moving direction of the frame.
  • the frame is located above the platform via the outer sides of the two opposite side walls of the platform.
  • the frame is movably disposed on the top of the platform as a whole.
  • the radiation inspection system includes a chassis movably disposed at the bottom of the platform, on which the radiation source or the first detector is disposed.
  • the radiation inspection system includes a synchronization device that connects the frame and the chassis to ensure that the frame and the chassis move synchronously.
  • the synchronizing device includes a connector, a first end of which is connected to the frame, and a second end of which is connected to the chassis; the platform is provided with a slot that allows the connector to pass through and move, or hole.
  • the synchronization device includes: a power unit including a first output shaft and a second output shaft; a first timing belt, which is provided on the outside of the platform and is connected to the frame for driving the frame Moving; the first output shaft is configured to be connected to the first timing belt to transmit power output by the power unit to the first timing belt; a second timing belt is provided inside the platform, The chassis is connected to drive the chassis to move; the second output shaft is configured to be connected to the second timing belt to transmit the power output by the power unit to the second timing belt.
  • the synchronization device includes: a first power device provided on the frame; a second power device provided on the chassis; and a controller electrically connecting the first power device and the first power device Two power units are used to send signals to the first power unit and the second power unit to control the frame and the chassis to move synchronously.
  • the radiation inspection system includes a first roller provided at the bottom of the frame for allowing the frame to walk along the ground; and / or, the radiation inspection system includes a second roller provided on the chassis. The bottom is used to make the chassis walk along the ground.
  • the radiation inspection system includes a first rail assembly that cooperates with each other, disposed between the frame and the ground, or between the frame and the platform; and / or, includes a second coordinated second The guide rail assembly is disposed between the chassis and the ground.
  • the radiation inspection system includes an identification device for identifying at least one of a license plate and a box number, the identification device is provided at an entrance of the platform.
  • the detected object includes a vehicle, a container, a luggage, or a package.
  • the radiation source and the first detector are arranged up and down, which is a vertical viewing angle inspection method, reducing the lateral footprint of the radiation inspection system and reducing the area of the radiation protection area.
  • the radiation inspection system includes a platform, a frame, and a chassis.
  • the frame is movable relative to the platform, and the chassis is movably disposed at the bottom of the platform for convenient relocation. After reaching the new scanning site, the chassis is set. Below the platform, the frame is placed above the scanning platform, which can be quickly assembled and scanning can be started quickly.
  • the radiation inspection system also includes a ray source and a first detector.
  • the ray source is set on the top of the frame and is a vertical viewing angle inspection method.
  • the detector is located on the chassis located below the platform, which can reduce the footprint of the radiation inspection system and reduce the area of the radiation protection area.
  • FIG. 1 is a schematic top view illustrating a radiation inspection system according to some embodiments of the present disclosure
  • FIG. 2 is a schematic perspective view illustrating a radiation inspection system according to some embodiments of the present disclosure
  • FIG. 3 is a schematic diagram illustrating a detector arrangement of a radiation inspection system according to some embodiments of the present disclosure
  • FIG. 4 is a schematic diagram illustrating a detector arrangement of a radiation inspection system according to other embodiments of the present disclosure.
  • FIG. 5 is a schematic diagram illustrating a radiation inspection system setting synchronization device according to some embodiments of the present disclosure
  • FIG. 6 is a schematic diagram illustrating a radiation inspection system setting synchronization device according to other embodiments of the present disclosure.
  • FIG. 7 is a schematic diagram after the platform is removed in FIG. 6;
  • FIG. 8 is a partial schematic diagram of FIG. 7.
  • the present disclosure proposes a radiation inspection system with a relatively small footprint and convenient relocation.
  • the radiation inspection system includes a platform 1, a frame 2, a radiation source 4, and a first detector 6 for receiving radiation emitted by the radiation source 4.
  • the top of the platform 1 is used to carry the test object 7.
  • the frame 2 is movable relative to the platform 1, and the frame 2 forms a passage allowing the object 7 carried on the platform 1 to pass.
  • One of the ray source 4 and the first detector 6 is provided on the top of the frame 2; the other of the ray source 4 and the first detector 6 is movably provided on the bottom of the platform 1.
  • the ray source 4 is disposed on the top of the frame 2; the first detector 6 is movably disposed on the bottom of the platform 1.
  • the first detector 6 is disposed on the top of the frame 2; the radiation source 4 is movably disposed on the bottom of the platform 1.
  • the radiation inspection system includes a chassis 3 that is movably disposed on the bottom of the platform 1 on which the radiation source 4 or the first detector 6 is disposed.
  • the radiation inspection system provided by some embodiments of the present disclosure includes a platform 1, a frame 2, a chassis 3, a ray source 4, and a first detector 6.
  • the top of the platform 1 is used to carry the test object 7.
  • the platform 1 is fixed on the ground.
  • the detected object 7 may include a vehicle, a container, a luggage, or a parcel waiting to be detected.
  • the vehicle may be a container vehicle or other passenger vehicles.
  • the frame 2 is movable relative to the platform 1, and the frame 2 forms a channel that allows the object 7 carried on the platform 1 to pass, that is, a scanning channel.
  • the radiation source 4 is disposed on the top of the frame 2 (as shown in FIGS. 3 and 4), and the radiation emitted by the radiation source 4 is used to inspect the object 7.
  • the ray source 4 is provided in a middle region on the top of the frame 2.
  • the first detector 6 is a bottom detector and is disposed at the bottom of the frame 2.
  • the radiation source 4 is used to provide X-rays for inspecting the object 7.
  • the ray source 4 may be an accelerator, an isotope source, an X-ray machine, or the like.
  • the radiation inspection system further includes a second detector 5.
  • the second detector 5 is a side detector and is provided on a side of the frame 2.
  • the second detectors 5 are provided on both sides of the frame 2 and are used to receive the radiation emitted by the radiation source 4 (as shown in FIGS. 3 and 4).
  • the chassis 3 is movably disposed at the bottom of the platform 1.
  • the first detector 6 is disposed on the chassis 3 and is configured to receive radiation emitted by the radiation source 4 (as shown in FIGS. 3 and 4).
  • the ray source 4 is provided on the top of the frame 2 and is a vertical viewing angle inspection method, that is, the ray source is placed above the scanning channel; the first detector 6 is provided on the chassis 3 below the platform 1, which is to detect The device is placed below the scanning channel, which can reduce the footprint of the radiation inspection system and reduce the area of the radiation protection area.
  • the chassis 3 is provided with a first detector 6 for receiving radiation emitted by the radiation source 4, and two sides of the frame 2 are provided with second detectors 5 for receiving radiation emitted by the radiation source 4. Ensure that the inspected object 7 is imaged without dead spots.
  • the frame 2 is movable relative to the platform 1, and the chassis 3 is movably disposed at the bottom of the platform 1 to facilitate relocation. After reaching the new scanning site, the chassis 3 is placed below the platform 1 and the frame 2 is placed at Above the platform 1, it can be quickly assembled and scanning can be started quickly.
  • the platform 1 sequentially carries at least two detected objects 7 along the moving direction of the frame 2, which can greatly improve the throughput of the radiation inspection system.
  • the length of the platform 1 can be extended according to the conditions of the site, and more objects 7 can be parked and scanned at the same time.
  • each object 7 to be inspected can be parked on the platform 1.
  • the platform 1 can park at least two small vehicles at the same time, taking two as an example. After stopping, the driver left the scanning area.
  • the radiation inspection system sequentially scans and inspects the vehicles parked on the platform 1.
  • the frame 2 is disposed above the platform 1 via the outer sides of the two opposite side walls of the platform 1 (as shown in FIG. 2).
  • the frame 2 includes a first side beam, a second side beam, and a top beam.
  • the first side beam and the second side beam are respectively disposed on the outer sides of the opposite two side walls of the platform 1.
  • the first end of the top beam is connected to the top of the first side beam, and the second end of the top beam is connected to the top of the second side beam.
  • the ray source 4 is provided on the top beam.
  • a vertical arm 21 is provided on a side of the first side beam and the second side beam near the platform 1.
  • at least one row of second detectors 5 is provided along the axial direction of the vertical arm 21 for receiving radiation emitted by the radiation source 4.
  • the vertical arm 21 is located inside the frame 2, and the second detectors 5 on both sides of the frame 2 are disposed on the vertical arm 21.
  • the vertical arms 21 may not be provided, and the second detectors 5 on both sides of the frame 2 may be directly placed on the first side beam and the second side beam of the frame 2.
  • the chassis 3 is provided with at least one row of first detectors 6 for receiving radiation from the radiation source 4.
  • the arrangement of the first detector 6 and the second detector 5 needs to ensure that there is no dead angle imaging of the inspected vehicle.
  • the arrangement is not unique, as shown in FIG. 3, as shown in FIG. 4, or other Layout scheme.
  • the frame 2 is movably disposed on the top of the platform 1 as a whole (not shown in the figure).
  • the radiation inspection system includes a synchronization device, which connects the frame 2 and the chassis 3 to ensure that the frame 2 and the chassis 3 move synchronously, that is, move back and forth relatively stationary.
  • the synchronization device may have various implementation forms, which may be a mechanical synchronization device or an electronic synchronization device.
  • the synchronization device being a mechanical synchronization device may include the following embodiments.
  • the synchronization device includes a connecting member 81, a first end of the connecting member 81 is connected to the frame 2, and a second end of the connecting member 81 is connected to the chassis 3.
  • the platform 1 is provided with a slot or hole that allows the connector 81 to pass through and move.
  • the connecting member 81 may include a connecting shaft and the like.
  • the synchronization device includes a power unit 82, a first timing belt 83 and a second timing belt 84.
  • the power unit 82 includes a motor, a reducer, and the like.
  • the power unit 82 includes a first output shaft and a second output shaft.
  • the first timing belt 83 is disposed outside the platform 1, the frame 2 is connected to the first timing belt 83, and the first timing belt 83 is used to drive the frame 2 to move.
  • the first output shaft is configured to be connected to the first timing belt 83 for transmitting power output by the power unit 82 to the first timing belt 83.
  • the synchronization device includes a first driving wheel and a first driven wheel, the first driving wheel is connected to the first output shaft, and the first timing belt 83 is connected to the first driving wheel and the first driven wheel.
  • the first timing belt 83 may be a conveyor belt or a conveyor chain.
  • the second timing belt 84 is disposed on the inner side of the platform 1, the chassis 3 is connected to the second timing belt 84, and the second timing belt 84 is used to drive the chassis 3 to move.
  • the second output shaft is configured to be connected to the second timing belt 84 for transmitting the power output by the power unit 82 to the second timing belt 84.
  • the synchronization device includes a second driving wheel and a second driven wheel, the second driving wheel is connected to the second output shaft, and the second timing belt 84 is connected to the second driving wheel and the second driven wheel.
  • the second timing belt 84 may be a conveyor belt or a conveyor chain.
  • the power unit 82 may be provided on one side of the end of the platform 1; or the power unit 82 may be provided on both sides of the end of the platform 1.
  • the first timing belt 83 drives the frame 2 and the second timing belt 84 drives the chassis 3.
  • the speeds of the first output shaft and the second output shaft are the same, and the first driving wheel is the same size and the same speed as the second driving wheel; the first driven wheel is the same size and the same speed as the second driven wheel.
  • the first timing belt 83 and The speed of the second timing belt 84 is the same, which can ensure that the frame 2 and the chassis 3 maintain synchronous movement, that is, relatively stationary.
  • the synchronization device being an electronic synchronization device may include the following embodiments.
  • the synchronization device includes a first power device, a second power device, and a controller.
  • the first power unit is disposed on the frame 2 and is used to drive the frame 2 to operate.
  • the second power unit is disposed on the chassis 3 and is used to drive the chassis chassis 3 to operate.
  • the controller is electrically connected to the first power device and the second power device, and is configured to send signals to the first power device and the second power device to control the frame 2 and the chassis 3 to move synchronously.
  • the radiation inspection system includes identification means for identifying at least one of a license plate and a box number.
  • An identification device is provided at the entrance of the platform 1, and the identification device is used to bind the image with the license plate and / or the container number.
  • the radiation inspection system when the platform 1 is higher than the ground, the radiation inspection system further includes a ramp platform.
  • the ramp platform is provided at the entrance and exit of the platform 1, and the vehicle travels up the platform 1 or leaves the platform 1 through the ramp platform.
  • the radiation inspection system further includes a first roller 22.
  • the first roller 22 is disposed on the bottom of the frame 2, and the frame 2 travels along the ground through the first roller 22.
  • the radiation inspection system further includes a second roller 31.
  • the second roller 31 is disposed on the bottom of the chassis 3, and the chassis 3 travels along the ground through the second roller 31.
  • the first roller 22 is mounted on the bottom of the frame 2, the first roller 22 drives the frame 2 to move forward and backward; the second roller 31 is mounted on the bottom of the chassis 3, and the second roller 31 drives the chassis 3 to move forward and backward.
  • the frame 2 and the chassis 3 can be moved directly on the ground.
  • the system is equipped with a correction device to prevent the frame 2, the chassis 3 and the platform 1 from colliding with each other.
  • the radiation inspection system further includes a first correction device for correcting the operation of the frame 2.
  • the radiation inspection system further includes a second correction device for correcting the operation of the chassis 3.
  • the frame 2 and the chassis 3 can walk on a set walking track.
  • the radiation inspection system further includes a first rail assembly that cooperates with each other, and the first rail assembly is disposed between the frame 2 and the ground, or the first rail assembly is disposed between the frame 2 and the platform 1 so that the frame 2 You can walk along the track.
  • the radiation inspection system further includes a second rail assembly that cooperates with each other, and the second rail assembly is disposed between the chassis 3 and the ground so that the chassis 3 can walk along the track.
  • the platform 1 is fixed on the ground, and the frame 2 and the chassis 3 can move forward and backward simultaneously on the track or on the ground.
  • the frame 2 carries the ray source 4 and the second detector 5 moving along the track or on the ground
  • the chassis 3 carries the first detector 6 moving along the track or on the ground
  • the frame 2 and the chassis 3 move simultaneously. And keep relatively stationary, move from one end of the vehicle on the platform 1 to the other end, and when the entire scanning process ends, a complete scanned image of the vehicle under inspection is generated.
  • the X-ray source 4 emits X-rays and penetrates the vehicle under test.
  • the second detector 5 located on the vertical arm 21 and the first detector 6 located on the chassis 3 receive the X-rays and convert them into output signals, and generate digital image signals in real time .
  • the ray source 4, the first detector 6, and the second detector 5 remain relatively stationary, and the vehicle under inspection is parked on the platform 1 and remains stationary.
  • each driver drove their vehicle away from platform 1 at a time.
  • the inspected vehicle may include a container truck or a passenger vehicle.

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  • Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • High Energy & Nuclear Physics (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
PCT/CN2019/090298 2018-07-11 2019-06-06 辐射检查系统 WO2020010970A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL437308A PL242104B1 (pl) 2018-07-11 2019-06-06 Układ do kontroli promieniowaniem

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201810756262.9 2018-07-11
CN201810756262.9A CN108614301A (zh) 2018-07-11 2018-07-11 辐射检查系统

Publications (1)

Publication Number Publication Date
WO2020010970A1 true WO2020010970A1 (zh) 2020-01-16

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PCT/CN2019/090298 WO2020010970A1 (zh) 2018-07-11 2019-06-06 辐射检查系统

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CN (1) CN108614301A (pt)
BR (1) BR102019014290A2 (pt)
PL (1) PL242104B1 (pt)
WO (1) WO2020010970A1 (pt)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN115789410A (zh) * 2021-09-09 2023-03-14 同方威视技术股份有限公司 支撑平台和辐射检查设备

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CN108614301A (zh) * 2018-07-11 2018-10-02 同方威视技术股份有限公司 辐射检查系统
CN108614302B (zh) * 2018-07-11 2024-07-05 同方威视技术股份有限公司 辐射检查系统
CN112666188A (zh) * 2019-10-16 2021-04-16 同方威视技术股份有限公司 辐射扫描检查设备
CN112666620A (zh) * 2019-10-16 2021-04-16 同方威视技术股份有限公司 辐射扫描检查设备
CN113834832A (zh) * 2020-06-23 2021-12-24 同方威视技术股份有限公司 移动式检测装置及检测方法
CN115113287A (zh) * 2021-07-07 2022-09-27 清华大学 检查系统和方法
CN115793079B (zh) * 2021-09-09 2024-04-09 同方威视技术股份有限公司 辐射检查设备

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CN115789410A (zh) * 2021-09-09 2023-03-14 同方威视技术股份有限公司 支撑平台和辐射检查设备
CN115789410B (zh) * 2021-09-09 2024-03-12 同方威视技术股份有限公司 支撑平台和辐射检查设备

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BR102019014290A2 (pt) 2020-06-09
PL242104B1 (pl) 2023-01-16
CN108614301A (zh) 2018-10-02

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