WO2020010970A1 - 辐射检查*** - Google Patents

辐射检查*** 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
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WO
WIPO (PCT)
Prior art keywords
frame
platform
inspection system
chassis
radiation
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Application number
PCT/CN2019/090298
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English (en)
French (fr)
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.)
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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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Abstract

一种辐射检查***，其包括：平台（1），顶部用于承载被检测物（7）；框架（2），相对平台（1）可移动，框架（2）形成允许平台（1）上承载的被检测物（7）通过的通道；射线源（4）和用于接收射线源（4）发出的射线的第一探测器（6）；其中，射线源（4）和第一探测器（6）的其中之一设于框架（2）的顶部；射线源（4）和第一探测器（6）的其中另一可移动地设于平台（1）的底部。这样的设计可以缩小辐射检查***的占地面积，减小辐射防护区面积；使得检查***可迅速组装并可快速开始扫描。

Description

辐射检查***
相关申请的交叉引用
本申请是以CN申请号为201810756262.9，申请日为2018年7月11日的申请为基础，并主张其优先权，该CN申请的公开内容在此作为整体引入本申请中。
技术领域
本公开涉及辐射扫描成像检查技术领域，尤其涉及一种辐射检查***。
背景技术
相关的辐射检查***中，组合移动式检查***具有图像质量高的优点。目前的组合移动式检查***多为水平视角，即射线源和探测器分布在扫描通道的两侧，导致占地面积较大。另外，***每次只能扫描一辆车，其余车辆需要排队等待，通过率较低。且***不方便搬迁。
发明内容
依据本公开的一些实施例的一个方面，车辆检查***包括：平台，顶部用于承载被检测物；框架，相对所述平台可移动，所述框架形成允许所述平台上承载的被检测物通过的通道；射线源和用于接收所述射线源发出的射线的第一探测器；其中，所述射线源和所述第一探测器的其中之一设于所述框架的顶部；所述射线源和所述第一探测器的其中另一可移动地设于所述平台的底部。
在一些实施例中，所述射线源设于所述框架的顶部；所述第一探测器可移动地设于所述平台的底部。
在一些实施例中，所述第一探测器设于所述框架的顶部；所述射线源可移动地设于所述平台的底部。
依据本公开的一些实施例的一个方面，车辆检查***包括：平台，顶部用于承载被检测物；框架，相对所述平台可移动，所述框架形成允许所述平台上承载的被检测物通过的通道；射线源，设于所述框架的顶部；底盘，可移动地设于所述平台的底部；以及第一探测器，设于所述底盘上，用于接收所述射线源发出的射线。
在一些实施例中，辐射检查***包括第二探测器，设于所述框架的两侧，用于接 收所述射线源发出的射线。
在一些实施例中，所述平台沿所述框架的移动方向依次承载有至少两个被检测物。
在一些实施例中，所述框架经由所述平台相对两侧壁的外侧跨设于所述平台的上方。
在一些实施例中，所述框架整体可移动地设于所述平台的顶部。
在一些实施例中，辐射检查***包括底盘，可移动地设于所述平台的底部，其上用于设置所述射线源或第一探测器。
在一些实施例中，辐射检查***包括同步装置，连接所述框架和所述底盘，用于保证所述框架和所述底盘同步运动。
在一些实施例中，所述同步装置包括连接件，其第一端连接于所述框架，第二端连接于所述底盘；所述平台设有允许所述连接件穿过且移动的槽或孔。
在一些实施例中，所述同步装置包括：动力单元，包括第一输出轴和第二输出轴；第一同步带，设于所述平台的外侧，连接所述框架，用于带动所述框架移动；所述第一输出轴被配置为连接所述第一同步带，以将所述动力单元输出的动力传递给所述第一同步带；第二同步带，设于所述平台的内侧，连接所述底盘，用于带动所述底盘移动；所述第二输出轴被配置为连接所述第二同步带，以将所述动力单元输出的动力传递给所述第二同步带。
在一些实施例中，所述同步装置包括：第一动力装置，设于所述框架；第二动力装置，设于所述底盘；以及控制器，电连接所述第一动力装置和所述第二动力装置，用于向所述第一动力装置和所述第二动力装置发出信号，以控制所述框架和所述底盘同步运动。
在一些实施例中，辐射检查***包括第一滚轮，设于所述框架的底部，用于使所述框架沿地面行走；和/或，辐射检查***包括第二滚轮，设于所述底盘的底部，用于使所述底盘沿地面行走。
在一些实施例中，辐射检查***包括相互配合的第一导轨组件，设于所述框架与地面之间或者设于所述框架与所述平台之间；和/或，包括相互配合的第二导轨组件，设于所述底盘与地面之间。
在一些实施例中，辐射检查***包括识别装置，用于识别车牌和箱号的至少之一，所述识别装置设于所述平台的入口处。
在一些实施例中，所述被检测物包括车辆、集装箱、行李箱或包裹。
依据本公开的一些实施例的一个方面，射线源和第一探测器上下设置，为垂直视角的检查方式，缩小辐射检查***的横向占地面积，减小辐射防护区面积。
依据本公开的一些实施例的一个方面，辐射检查***包括平台、框架和底盘，框架相对平台可移动，底盘可移动地设于平台的底部，方便搬迁，到达新的扫描场地后，将底盘置于平台下方，框架置于扫描平台上方，可迅速组装并可快速开始扫描；辐射检查***还包括射线源和第一探测器，射线源设于框架的顶部，为垂直视角的检查方式；第一探测器设于位于平台下方的底盘，可以缩小辐射检查***的占地面积，减小辐射防护区面积。
附图说明
图1是示出根据本公开一些实施例的辐射检查***的俯视示意图；
图2是示出根据本公开一些实施例的辐射检查***的立体示意图；
图3是示出根据本公开一些实施例的辐射检查***的探测器排布的示意图；
图4是示出根据本公开另一些实施例的辐射检查***的探测器排布的示意图；
图5是示出根据本公开一些实施例的辐射检查***设置同步装置的示意图；
图6是示出根据本公开另一些实施例的辐射检查***设置同步装置的示意图；
图7为图6拆除平台后的示意图；
图8为图7的局部示意图。
附图中标号说明：
1-平台；
2-框架；21-竖臂；22-第一滚轮；
3-底盘；31-第二滚轮；
4-射线源；
5-第二探测器；
6-第一探测器；
7-被检测物；
81-连接件；82-动力单元；83-第一同步带；84-第二同步带。
具体实施方式
下面将结合本公开实施例中的附图，对实施例中的技术方案进行清楚、完整地描 述。显然，所描述的实施例仅仅是本公开的一部分实施例，而不是全部的实施例。基于本公开的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
在本公开的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本公开和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本公开保护范围的限制。
发明人经研究发现，相关辐射检查***的占地面积较大，且***不方便搬迁。
有鉴于此，本公开提出一种占地面积相对较小、方便搬迁的辐射检查***。
如图1、图2所示，为本公开一些实施例提供的辐射检查***，其包括平台1、框架2射线源4和用于接收射线源4发出的射线的第一探测器6。
平台1的顶部用于承载被检测物7。框架2相对平台1可移动，框架2形成允许平台1上承载的被检测物7通过的通道。射线源4和第一探测器6的其中之一设于框架2的顶部；射线源4和第一探测器6的其中另一可移动地设于平台1的底部。
在一些实施例中，射线源4设于框架2的顶部；第一探测器6可移动地设于平台1的底部。
在一些实施例中，第一探测器6设于框架2的顶部；射线源4可移动地设于平台1的底部。
在一些实施例中，辐射检查***包括底盘3，可移动地设于平台1的底部，其上用于设置射线源4或第一探测器6。
如图1、图2所示，为本公开一些实施例提供的辐射检查***，其包括平台1、框架2、底盘3、射线源4和第一探测器6。
在一些实施例中，平台1的顶部用于承载被检测物7。可选地，平台1固定在地面上。
在一些实施例中，被检测物7可以包括车辆、集装箱、行李箱或包裹等待检测的物品。其中，车辆又可以为集装箱车辆或其他乘用车辆等。
在一些实施例中，框架2相对平台1可移动，框架2形成允许平台1上承载的被检测物7通过的通道，即扫描通道。
在一些实施例中，射线源4设于框架2的顶部(如图3、图4所示)，射线源4发出的射线用于对被检测物7进行检查。可选地，射线源4设于框架2的顶部的中部 区域。
在一些实施例中，第一探测器6为底部探测器，设于框架2的底部。
在一些实施例中，射线源4用于提供对被检测物7进行检查的X射线。射线源4可为加速器、同位素源、X光机等。
在一些实施例中，辐射检查***还包括第二探测器5。第二探测器5为侧部探测器，设于框架2的侧部。
可选地，第二探测器5设于框架2的两侧，用于接收射线源4发出的射线(如图3、图4所示)。
在一些实施例中，底盘3可移动地设于平台1的底部。
在一些实施例中，第一探测器6设于底盘3，用于接收射线源4发出的射线(如图3、图4所示)。
在一些实施例中，射线源4设于框架2的顶部，为垂直视角的检查方式，即射线源置于扫描通道的上方；第一探测器6设于位于平台1下方的底盘3，即探测器置于扫描通道的下方，可以缩小辐射检查***的占地面积，减小辐射防护区面积。
在一些实施例中，底盘3上设有用于接收射线源4发出的射线的第一探测器6，框架2的两侧设有用于接收射线源4发出的射线的第二探测器5，用于确保被检查被检测物7无死角成像。
在一些实施例中，框架2相对平台1可移动，底盘3可移动地设于平台1的底部，方便搬迁，到达新的扫描场地后，将底盘3置于平台1下方，框架2置于扫描平台1上方，可迅速组装并可快速开始扫描。
在一些实施例中，平台1沿框架2的移动方向依次承载有至少两个被检测物7，能够大幅度提高辐射检查***的通过率。并且，可根据场地的情况，延长平台1的长度，可同时停放并扫描更多被检测物7。
扫描前，可将各个待检查的被检测物7停放在平台1上。例如：如图1所示，平台1可同时停放至少两辆小型车辆，以两辆为例。停好后司机离开扫描区域。辐射检查***对停放在平台1上的车辆依次进行扫描检查。
在一些实施例中，框架2经由平台1相对两侧壁的外侧跨设于平台1的上方(如图2所示)。
在一些实施例中，框架2包括第一侧梁、第二侧梁和顶梁。第一侧梁和第二侧梁分别设于平台1相对两侧壁的外侧，顶梁的第一端连接于第一侧梁的顶部，顶梁的第二端连接于第二侧梁的顶部，射线源4设于顶梁。
在一些实施例中，第一侧梁和第二侧梁靠***台1的一侧设有竖臂21。可选地，沿竖臂21的轴向设有至少一排第二探测器5，用于接收射线源4发出的射线。
在一些实施例中，竖臂21位于框架2的内侧，将框架2两侧的第二探测器5设于竖臂21。当然，也可不设置竖臂21，直接将框架2两侧的第二探测器5置于框架2的第一侧梁和第二侧梁上。
可选地，底盘3设有至少一排第一探测器6，用于接收射线源4发出的射线。
第一探测器6和第二探测器5的排布方式需确保被检查车辆无死角的成像，排布方式不唯一，可如图3所示，也可如图4所示，也可有其他的排布方案。
在一些实施例中，框架2整体可移动地设于平台1的顶部(图中未示出)。
在一些实施例中，辐射检查***包括同步装置，同步装置连接框架2和底盘3，用于保证框架2和底盘3同步运动，即相对静止的前后移动。同步装置可以具有多种实现形式，可为机械同步装置，也可为电子同步装置。
同步装置为机械同步装置可以包括以下实施例。
在一些实施例中，如图5所示，同步装置包括连接件81，连接件81的第一端连接于框架2，连接件81的第二端连接于底盘3。
在一些实施例中，平台1设有允许连接件81穿过且移动的槽或孔。
在一些实施例中，连接件81可以包括连接轴等。
如图6、图7、图8所示，在一些实施例中，同步装置包括动力单元82、第一同步带83和第二同步带84。
在一些实施例中，动力单元82包括电机和减速器等。
在一些实施例中，动力单元82包括第一输出轴和第二输出轴。
在一些实施例中，第一同步带83设于平台1的外侧，框架2连接至第一同步带83，第一同步带83用于带动框架2移动。第一输出轴被配置为连接所述第一同步带83，以用于将动力单元82输出的动力传递给第一同步带83。
可选地，同步装置包括第一主动轮和第一从动轮，第一主动轮连接第一输出轴，第一同步带83连接第一主动轮和第一从动轮。
可选地，第一同步带83可以为输送带或输送链。
在一些实施例中，第二同步带84设于平台1的内侧，底盘3连接至第二同步带84，第二同步带84用于带动底盘3移动。第二输出轴被配置为连接所述第二同步带84，以用于将动力单元82输出的动力传递给第二同步带84。
可选地，同步装置包括第二主动轮和第二从动轮，第二主动轮连接第二输出轴， 第二同步带84连接第二主动轮和第二从动轮。
可选地，第二同步带84可以为输送带或输送链。
在一些实施例中，可以在平台1的端部一侧设置动力单元82；或者在平台1的端部的两侧均设有动力单元82。
第一同步带83带动框架2运动，第二同步带84带动底盘3运动。第一输出轴和第二输出轴的转速一致，且第一主动轮与第二主动轮同样大小，同样转速；第一从动轮与第二从动轮同样大小，同样转速，第一同步带83和第二同步带84的转速一致，可以保证框架2和底盘3保持同步运动，即相对静止。
同步装置为电子同步装置可以包括以下实施例。
在一些实施例中，同步装置包括第一动力装置、第二动力装置和控制器。
第一动力装置设于框架2，用于驱动框架2运行。第二动力装置设于底盘3，用于驱动框底盘3运行。控制器电连接第一动力装置和第二动力装置，用于向第一动力装置和第二动力装置发出信号，以控制框架2和底盘3同步运动。
在一些实施例中，辐射检查***包括识别装置，用于识别车牌和箱号的至少之一。识别装置设于平台1的入口处，识别装置用于将图像与车牌和/或集装箱号绑定。
在一些实施例中，在平台1高于地面的情况下，辐射检查***还包括坡台，坡台设于平台1的入口和出口处，车辆经过坡台行驶上平台1或离开平台1。
在一些实施例中，辐射检查***还包括第一滚轮22，第一滚轮22设于框架2的底部，框架2通过第一滚轮22沿地面行走。
在一些实施例中，辐射检查***还包括第二滚轮31，第二滚轮31设于底盘3的底部，底盘3通过第二滚轮31沿地面行走。
在一些实施例中，第一滚轮22安装于框架2的底部，第一滚轮22带动框架2前后移动；第二滚轮31安装于底盘3的底部，第二滚轮31带动底盘3前后移动。
在一些实施例中，框架2和底盘3可以直接在地面上移动。当框架2和底盘3在地面上移动时，***配备纠偏装置，避免框架2、底盘3与平台1的互相碰撞。
在一些实施例中，辐射检查***还包括第一纠偏装置，第一纠偏装置用于对框架2的运行纠偏。
在一些实施例中，辐射检查***还包括第二纠偏装置，第二纠偏装置用于对底盘3的运行纠偏。
在一些实施例中，框架2和底盘3可以在设置好的行走轨道上行走。
在一些实施例中，辐射检查***还包括相互配合的第一导轨组件，第一导轨组件 设于框架2与地面之间，或者，第一导轨组件设于框架2与平台1之间，使得框架2可沿轨道行走。
在一些实施例中，辐射检查***还包括相互配合的第二导轨组件，第二导轨组件设于底盘3与地面之间，使得底盘3可沿轨道行走。
一些实施例提供的辐射检查***对车辆进行检查的操作方法为：
平台1固定于地面，框架2和底盘3可在轨道上或地面上同时前后移动。扫描过程中，框架2承载射线源4和第二探测器5沿着轨道或在地面上移动，底盘3承载第一探测器6沿着轨道或在地面上移动，框架2和底盘3同时运动，且保持相对静止，从平台1上的车辆的一端移动到另一端，当整个扫描过程结束时，生成被检车辆的完整扫描图像。
扫描时，射线源4发出X射线，穿透被检测车辆，位于竖臂21的第二探测器5和位于底盘3的第一探测器6接收X射线并转换为输出信号，实时生成数字图像信号。
扫描过程中，射线源4、第一探测器6、第二探测器5保持相对静止，被检车辆停放在平台1上保持不动。
扫描结束后，各司机一次驾驶各自的车辆离开平台1。
被检查车辆可以包括集装箱卡车或乘用车等。
在本公开的描述中，需要理解的是，使用“第一”、“第二”等词语来限定零部件，仅仅是为了便于对上述零部件进行区别，如没有另行声明，上述词语并没有特殊含义，因此不能理解为对本公开保护范围的限制。
最后应当说明的是:以上实施例仅用以说明本公开的技术方案而非对其限制；尽管参照较佳实施例对本公开进行了详细的说明，所属领域的普通技术人员应当理解：依然可以对本公开的具体实施方式进行修改或者对部分技术特征进行等同替换；而不脱离本公开技术方案的精神，其均应涵盖在本公开请求保护的技术方案范围当中。

Claims (16)

  1. 一种辐射检查***，包括：
    平台(1)，顶部用于承载被检测物(7)；
    框架(2)，相对所述平台(1)可移动，所述框架(2)形成允许所述平台(1)上承载的被检测物(7)通过的通道；
    射线源(4)和用于接收所述射线源(4)发出的射线的第一探测器(6)；
    其中，所述射线源(4)和所述第一探测器(6)的其中之一设于所述框架(2)的顶部；所述射线源(4)和所述第一探测器(6)的其中另一可移动地设于所述平台(1)的底部。
  2. 如权利要求1所述的辐射检查***，其中，所述射线源(4)设于所述框架(2)的顶部；所述第一探测器(6)可移动地设于所述平台(1)的底部。
  3. 如权利要求1所述的辐射检查***，其中，所述第一探测器(6)设于所述框架(2)的顶部；所述射线源(4)可移动地设于所述平台(1)的底部。
  4. 如权利要求1所述的辐射检查***，包括第二探测器(5)，设于所述框架(2)的两侧，用于接收所述射线源(4)发出的射线。
  5. 如权利要求1所述的辐射检查***，其中，所述平台(1)沿所述框架(2)的移动方向依次承载有至少两个被检测物(7)。
  6. 如权利要求1所述的辐射检查***，其中，所述框架(2)经由所述平台(1)相对两侧壁的外侧跨设于所述平台(1)的上方。
  7. 如权利要求1所述的辐射检查***，其中，所述框架(2)整体可移动地设于所述平台(1)的顶部。
  8. 如权利要求1所述的辐射检查***，包括底盘(3)，可移动地设于所述平台(1)的底部，其上用于设置所述射线源(4)或第一探测器(6)。
  9. 如权利要求8所述的辐射检查***，包括同步装置，连接所述框架(2)和所述底盘(3)，用于保证所述框架(2)和所述底盘(3)同步运动。
  10. 如权利要求9所述的辐射检查***，其中，
    所述同步装置包括连接件(81)，其第一端连接于所述框架(2)，第二端连接于所述底盘(3)；
    所述平台(1)设有允许所述连接件(81)穿过且移动的槽或孔。
  11. 如权利要求9所述的辐射检查***，其中，所述同步装置包括：
    动力单元(82)，包括第一输出轴和第二输出轴；
    第一同步带(83)，设于所述平台(1)的外侧，连接所述框架(2)，用于带动所述框架(2)移动；所述第一输出轴被配置为连接所述第一同步带(83)，以将所述动力单元(82)输出的动力传递给所述第一同步带(83)；
    第二同步带(84)，设于所述平台(1)的内侧，连接所述底盘(3)，用于带动所述底盘(3)移动；所述第二输出轴被配置为连接所述第二同步带(84)，以将所述动力单元(82)输出的动力传递给所述第二同步带(84)。
  12. 如权利要求9所述的辐射检查***，其中，所述同步装置包括：
    第一动力装置，设于所述框架(2)；
    第二动力装置，设于所述底盘(3)；以及
    控制器，电连接所述第一动力装置和所述第二动力装置，用于向所述第一动力装置和所述第二动力装置发出信号，以控制所述框架(2)和所述底盘(3)同步运动。
  13. 如权利要求8所述的辐射检查***，包括第一滚轮(22)和第二滚轮(31)的至少之一，其中，所述第一滚轮(22)设于所述框架(2)的底部；所述第二滚轮(31)设于所述底盘(3)的底部。
  14. 如权利要求8所述的辐射检查***，包括相互配合的第一导轨组件和相互配合的第二导轨组件的至少之一，其中，所述第一导轨组件设于所述框架(2)与地面之间或者设于所述框架(2)与所述平台(1)之间；所述第二导轨组件设于所述底盘(3)与地面之间。
  15. 如权利要求1所述的辐射检查***，包括识别装置，用于识别车牌和箱号的至少之一，所述识别装置设于所述平台(1)的入口处。
  16. 如权利要求1所述的辐射检查***，其中，所述被检测物(7)包括车辆、集装箱、行李箱或包裹。
PCT/CN2019/090298 2018-07-11 2019-06-06 辐射检查*** WO2020010970A1 (zh)

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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***
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***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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