WO2018107935A1 - 用于集装箱的可移动式射线检查系统和检查方法 - Google Patents

用于集装箱的可移动式射线检查系统和检查方法 Download PDF

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Publication number
WO2018107935A1
WO2018107935A1 PCT/CN2017/110830 CN2017110830W WO2018107935A1 WO 2018107935 A1 WO2018107935 A1 WO 2018107935A1 CN 2017110830 W CN2017110830 W CN 2017110830W WO 2018107935 A1 WO2018107935 A1 WO 2018107935A1
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WIPO (PCT)
Prior art keywords
container
cabin
inspection system
radiographic inspection
radiation
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2017/110830
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English (en)
French (fr)
Inventor
宗春光
李营
周合军
宋全伟
李荐民
李玉兰
李元景
张丽
陈志强
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tsinghua University
Nuctech Co Ltd
Original Assignee
Tsinghua University
Nuctech Co Ltd
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Filing date
Publication date
Application filed by Tsinghua University, Nuctech Co Ltd filed Critical Tsinghua University
Publication of WO2018107935A1 publication Critical patent/WO2018107935A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • 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
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/90—Investigating the presence of flaws or contamination in a container or its contents
    • G01N21/9081—Inspection especially designed for plastic containers, e.g. preforms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01—Arrangements or apparatus for facilitating the optical investigation
    • 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
    • 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
    • G01V5/222—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays measuring scattered radiation

Definitions

  • the present invention relates to the field of container inspection, and more particularly to a portable radiographic inspection system and inspection method for inspecting containers installed in a container yard.
  • container yards such as cargo terminals, cargo terminals, ports, etc. are in short supply, and the container inspection system in the prior art is relatively large, and usually requires a separate site for installation. Therefore, such a container inspection system not only occupies valuable space of the port, but also has a problem of long construction period and high cost.
  • the existing container inspection system usually performs the following inspection process: the container is unloaded from the cargo ship to the port and transferred to the container yard, and then the inspected container is towed by a special vehicle, and transported from the container yard to the container inspection. The site of the system is scanned and checked, and then returned to the container yard by the vehicle.
  • Such an inspection process is time consuming and labor intensive, reducing the efficiency of the port's container operations.
  • the existing container inspection system also requires civil construction, and there are problems such as difficulty in installation and disassembly, and inability to change fields.
  • the present invention is directed to a radiographic inspection system and a radiographic inspection method that are capable of being installed in a container yard to inspect objects within the container.
  • a mobile radiographic inspection system for inspecting an object within a container within a container yard
  • the movable radiographic inspection system comprising: radiation generation for emitting radiation a device, a radiation receiving device for receiving radiation, at least one cabin for housing the radiation generating device and the radiation receiving device, and a mobile device for moving the radiation inspection system, wherein the at least one cabin is Each of them is provided as a standard container or a cabin having the same shape, size and structure as a standard container, such that the radiographic inspection system is adapted to be stacked in a container yard, and the mobile device is constructed
  • the radiographic inspection system is enabled to move in a predetermined direction to inspect an object within the container.
  • each of the at least one cabin is provided with the same sling as the standard container to be suitable for hoisting by the container transfer equipment.
  • the moving device includes a guide wheel disposed on a lower surface of the pod, a guide rail disposed on a floor, and the guide wheel movably mating on the rail Or; the moving device includes a moving wheel mounted on a lower surface of the pod.
  • the height of the mobile device is equal to the difference between the height of the container tall box and the standard container.
  • the mobile radiographic inspection system further includes a drive device for driving the radiographic inspection system to move.
  • the radiographic inspection system includes a first cabin, a second cabin, and a third cabin, the first cabin being disposed at one side of a scanning channel of a container yard, the second cabin The body and the third cabin are stacked above and below the other side of the scanning channel of the container yard, the first cabin is provided with the radiation generating device, the second cabin and the third cabin The radiation receiving device is disposed in each of the bodies, and the radiation generating device and the radiation receiving device are substantially aligned in a second direction perpendicular to the first direction of the scanning channel.
  • the radiographic inspection system includes a first cabin, a second cabin, a third cabin, and a fourth cabin, the second pod and the first pod being stacked one above the other Provided on one side of the scanning channel of the container yard, the third and fourth cabins are stacked above and below the other side of the scanning channel of the container yard, and wherein the lower portion is located
  • the radiation generating device and the radiation receiving device are disposed in each of the first cabin and the fourth cabin below, and the second cabin located above and the upper station
  • the radiation receiving device is disposed in each of the third cabins, and the radiation generating device and the radiation receiving device disposed in each of the first cabin and the fourth cabin are parallel Between the first direction of the scanning channel, the radiation generating device in the first chamber and the radiation receiving device in the third chamber and the fourth chamber are perpendicular to the first
  • the second direction of one direction is substantially opposite to each other
  • the moving device is disposed on the lower surface of the first pod and the third pod below.
  • the moving device is disposed on the lower surface of the first cabin below and the lower deck of the fourth cabin below.
  • the radiographic inspection system further includes a rigid connection for connecting the pods on either side of the scanning channel.
  • the radiographic inspection system includes a pod disposed on one side of a scanning channel of a container yard in which the radiation generating device and the radiation receiving device are disposed.
  • the radiographic inspection system includes a cabin disposed on one side of a scanning channel of a container yard, the radiation generating device disposed within the cabin, the radiation receiving device including A plurality of detectors arranged in an "L" shape, wherein a portion of the detectors are disposed on an inner side wall of the pod and another portion of the detector is disposed on a cross bracket perpendicular to the inner side wall.
  • the radiographic inspection system includes a first cabin and a second cabin, the first cabin being disposed at one side of a scanning channel of a container yard, and the second cabin being disposed at a container stack
  • the other side of the scanning channel of the field, the first chamber is provided with a first radiation generating device and a first radiation receiving device, and the second chamber is provided with a second radiation generating device and a second radiation receiving device.
  • the moving device is disposed on the lower surfaces of the first cabin and the second cabin.
  • the radiographic inspection system includes a first cabin, a second cabin, and a third cabin, the first cabin being disposed at one side of a scanning channel of a container yard, the second cabin The body is disposed on the other side of the scanning channel of the container yard, the third cabin is disposed below the scanning channel of the container yard, and the first chamber is provided with the first radiation generating device and the first radiation receiving device a second radiation generating device and a second radiation receiving device are disposed in the second chamber, the third chamber is provided with a third radiation generating device and a third radiation receiving device, the first cabin, the The moving device is disposed on the lower surfaces of the second pod and the third pod.
  • the movable radiographic inspection system further includes a control device,
  • the control device is communicatively coupled to a control system of the container yard and/or a database of the container yard, and the control device is electrically coupled to the drive device to control the drive device.
  • the movable radiographic inspection system further includes photoelectric conversion means for converting radiation received by the radiation receiving device into a digital signal, the photoelectric conversion device being communicatively coupled to the control device to The image information is transmitted to the control device.
  • the portable radiographic inspection system further includes a box number identifying device configured to identify a container number, the box number identifying device communicatively coupled to the control device to transmit the identified box number information to The control device is configured to: read corresponding container information from a database of a control system of the container yard and/or a container yard according to the identified box number, and bind the container Information and the image information.
  • a radiographic inspection method for inspecting a container in a container yard using the movable radiographic inspection system of any of the above aspects or embodiments, the method comprising the following steps :
  • the radiation generating device of the radiographic inspection system is turned on, and the movable radiographic inspection system is controlled to move at a predetermined speed along the scanning channel in the container yard.
  • the container to be inspected is scanned along the length of the container to be inspected.
  • the radiographic inspection method may further include the following steps:
  • the radiographic inspection method may further include the following steps:
  • FIG. 1 is a schematic diagram of a radiographic inspection system including three pods, and a radiation generating device and a radiation receiving device are respectively disposed on both sides of the scanning channel, in accordance with an embodiment of the present invention
  • FIG. 1A is a partial enlarged view of a mobile device of a radiographic inspection system in accordance with an embodiment of the present invention
  • FIG. 2 is a schematic diagram of a radiographic inspection system including four pods, and a radiation generating device and a radiation receiving device are respectively disposed on both sides of the scanning channel, in accordance with an embodiment of the present invention
  • FIG. 3 is a schematic diagram of a radiographic inspection system including a pod, and the radiation generating device and the radiation receiving device are disposed on the same side of the scanning channel, in accordance with an embodiment of the present invention
  • FIG. 4 is a schematic diagram of a radiographic inspection system including a plurality of detectors arranged in an "L" shape, in accordance with an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a radiographic inspection system including two pods respectively scanning a container from both sides, in accordance with an embodiment of the present invention
  • Figure 6 is a schematic illustration of a radiographic inspection system including three pods scanning the container from the left, right and bottom sides, respectively, in accordance with an embodiment of the present invention
  • Figure 7 is a schematic illustration of the arrangement of a radiographic inspection system in accordance with the present invention when scanning a 45 foot container;
  • Figure 8 is a schematic illustration of the arrangement of a radiographic inspection system in accordance with the present invention when scanning a 20 foot container.
  • an XYZ coordinate system wherein the X direction represents the direction of the scanning channel in the container yard, that is, the longitudinal direction of the container, the Y direction represents the width direction of the container, and the Z direction represents the height direction of the container. .
  • FIG. 1 shows a schematic diagram of a radiographic inspection system in accordance with one embodiment of the present invention.
  • the radiographic inspection system is used to inspect the objects in the container within the container yard. It should be noted that in order to clearly show the radiographic inspection system of the present invention, other containers, hoisting machines, and the like in the container yard are omitted.
  • the radiographic inspection system mainly comprises: a radiation generating device for emitting radiation, a radiation receiving device for receiving radiation, and at least one cabin for housing the radiation generating device and the radiation receiving device.
  • the radiographic inspection system is configured to define a scan channel.
  • Each of the at least one cabin is configured as a standard container or a pod having the same shape, size and configuration as a standard container to enable the radiographic inspection system to be stacked within a container yard.
  • each cabin is set to have the same shape, size and structure as the standard container
  • each cabin is a rectangular shape of a standard container, and the size of each cabin (including length) , width, height, etc.) equal to the size of a standard container, and each cabin has the same structure as a standard container, especially an external interface structure, for example, each compartment has a standard container
  • the same hoisting opening is provided so that each compartment is suitable for hoisting by existing hoisting machinery in the container yard.
  • the radiographic inspection system comprises three cabins, namely a first cabin 11, a second cabin 12 and a third cabin 13, the first cabin 11 being arranged at the container yard.
  • One side of the scanning channel P (shown in FIGS. 6 and 7) (the right side in FIG. 1), and the second pod 12 and the third pod 13 are stacked above and below in the scanning channel of the container yard The other side of P (left side in Figure 1).
  • the first cabin 11 is provided with a radiation generating device 2, which may be a radioactive element, such as a cobalt-60 radioactive element; or an X-ray generator; or an X-ray machine; or a neutron generation Device.
  • a radiation receiving device 6 is provided in each of the second cabin 12 and the third cabin 13, and the radiation receiving device 6 may include a plurality of detectors, a detector array, and the like.
  • the radiographic inspection system further includes a moving device 8, which in one example, as shown in FIG. 1A, includes a guide wheel 81 disposed on the cabin and a guide rail 82 disposed on the ground G, wherein the guide wheel 81 is It is movably fitted to the guide rail 82.
  • the first cabin 11 and the lower surface of the third cabin 13 are respectively provided with guide wheels 81.
  • guide rails 82 are respectively disposed, and the two guide wheels 81 are respectively movable. The ground is fitted on the two guide rails 82.
  • the radiographic inspection system can also include a drive device (not shown) for driving the radiographic inspection system to move.
  • the drive device can include an electric, pneumatic or hydraulic motor disposed on the body of the radiographic system (eg, a cabin), ie, the radiographic system can be a self-propelled or self-driven device.
  • the drive device can include a trailer, power head, etc. located outside of the radiographic inspection system, the trailer or powerhead can be coupled to the radiographic inspection system during use to drag the radiographic inspection system, ie, the radiographic inspection
  • the system can be an external force driven or external force driven device.
  • a connecting device 9 is arranged between the first cabin 11 and the third cabin 13.
  • the connecting device 9 is a rigid connecting device, such as a connecting rod 91.
  • the body 12 and the third cabin 13 are moved synchronously, i.e., the radiation generating device 2 and the corresponding radiation receiving device 6 are moved synchronously, thereby ensuring that the radiation generated by the radiation generating device 2 can be received by the radiation receiving device 6.
  • the driving device drives the second cabin 12 and the third cabin 13 located on the left side of the scanning passage P to move along the guide rail 82
  • the first cabin 11 located on the left side of the scanning passage P moves synchronously.
  • the cabins on both sides of the scanning channel can be synchronously moved, and it is not necessary to separately provide driving devices for the cabins located on both sides of the scanning channel, and it is not necessary to provide a complicated synchronous driving mechanism. To ensure simultaneous movement of the pods on either side of the scanning channel.
  • the lifting machine drives the container C in the radiographic inspection system (i.e., the position between the radiation generating device and the radiation receiving device in the scanning channel), and the driving device in the radiographic inspection system Under the driving, the cabins 11, 12, 13 on both sides of the scanning passage P are moved along the scanning passage at a predetermined moving speed to perform scanning inspection of the entire container C.
  • the radiographic inspection system i.e., the position between the radiation generating device and the radiation receiving device in the scanning channel
  • the mobile device includes a guide wheel and a guide rail
  • the guide rail is a "work" shaped guide rail
  • the present invention is not limited to such a mobile device, for example, in an alternative implementation
  • the mobile device can include rails of other shapes, or the mobile device can include a rail and a slider, or the mobile device can be a wheeled mobile device, ie, the mobile device includes a moving wheel disposed below the cabin.
  • a collimator 4 is further disposed in the first cabin 11, and the radiation generating device 2, the collimator 4 and the radiation receiving device 6 are in the first direction with the scanning channel P (shown in FIG. 6
  • the X direction) is substantially aligned in the vertical second direction (Y direction) so that the radiation emitted by the radiation generating device 2 can be received by the radiation receiving device 6.
  • the radiation generating device 2, the collimator 4 and the radiation receiving device 6 are located substantially in the same plane perpendicular to the first direction of the scanning channel P.
  • the radiation generating device 2 is disposed such that the rays emitted therefrom can scan the entire container C in the height direction of the container (in the Z direction as shown in FIG. 1).
  • the container C is suspended by a hoisting machine in the container yard.
  • the height of the mobile device 8 (i.e., the height of the mobile device 8 including the guide wheel 81 and the guide rail 82 shown in FIG. 1 in the Z direction) is equal to the difference between the height of the container high and the standard container. . Since the height of the cabin of the radiographic inspection system is usually equal to the height of the standard container, such that when the cabin of the radiographic inspection system is mounted on the rail, the sum of the heights of the mobile device and the cabin is exactly equal to the height of the tall box of the container, which is still Meet the size requirements of the container yard so as not to interfere with the stacking of other containers in the container yard.
  • each of the chambers 11, 12, 13 may also be provided with radiation protection devices 112, 122, 132, respectively, to block and reduce the radiation dose radiated into the surrounding environment.
  • the radiation protection devices 112, 122, 132 may be disposed on the top inner wall, the side inner wall, or the bottom inner wall of each of the pods in accordance with radiation protection requirements.
  • the radiation protection device can be configured to shield the radiation at a predetermined location or to shield the radiation for a predetermined time.
  • the radiographic inspection system of the present invention can be installed in a container yard through a hoisting machine in a container yard, the current container yard has basically realized fully mechanized and fully automated operation, that is, generally in a container yard. No operator; in the existing container inspection system, a special operator is required to drive the vehicle to tow the inspected container into a special container inspection site, so compared with the existing container inspection system, the present invention
  • the container inspection system reduces the need for radiation protection, which simplifies the system structure and reduces system costs.
  • FIG. 2 shows a schematic diagram of a radiographic inspection system in accordance with another embodiment of the present invention.
  • the differences from the embodiment of Fig. 1 will be mainly explained below.
  • the radiographic inspection system includes four cabins, namely a first cabin 11, a second cabin 11', a third cabin 12 and a fourth cabin 13, a second cabin 11' and a
  • a tank 11 is stacked above and below the side of the scanning channel P of the container yard, and the third tank 12 and the fourth tank 13 are stacked above and below in the manner of the scanning channel P of the container yard. The other side.
  • the first cabin 11 is located below the second cabin 11'
  • the fourth cabin 13 is located below the third cabin 12
  • Each of the 13 is provided with a radiation generating device 2 and a radiation receiving device 6. Need It is to be noted that the radiation receiving device 6 in the fourth pod 13 in Fig. 2 is not shown because it is blocked.
  • a radiation receiving device 6 is disposed in each of the second cabin 11' located above and the third cabin 12 located above.
  • the radiation generating device 2 and the radiation receiving device 6 disposed in each of the lower first cabin 11 and the lower fourth casing 13 are spaced apart in the X direction. As shown in FIG.
  • the radiation generating device 2 in the first cabin 11 and the radiation receiving devices 6 in the third cabin 12 and the fourth cabin 13 are substantially aligned with each other in the Y direction, that is, the first cabin 11
  • the inner radiation generating device 2 is located substantially in the same YZ plane as the radiation receiving device 6 in the third cabin 12 and the fourth cabin 13, and the radiation receiving device 6 in the first cabin 11 and the second cabin 11'
  • the radiation generating devices 2 in the fourth cabin 13 are aligned with each other in the Y direction, that is, the radiation receiving device 6 in the first cabin 11 and the second cabin 11' and the radiation generating device 2 in the fourth cabin 13 Located roughly in the same YZ plane.
  • the radiation emitted by the radiation generating device 2 in the first cabin 11 is received by the radiation receiving device 6 in the third cabin 12 and the fourth cabin 13, and the radiation generating device in the fourth cabin 13
  • the emitted rays are received by the radiation receiving means 6 in the first compartment 11 and the second compartment 11'.
  • the radiographic inspection system also includes the mobile device 8, the connecting device 9, and the driving device, and these components are the same as those in the above embodiment, and are not described herein again.
  • the container C when the container C is hoisted in the radiographic inspection system and the radiographic inspection systems located on both sides of the scanning passage P move synchronously, the container C can be simultaneously scanned from both sides of the container C, so that the container C can be inspected more efficiently.
  • the above embodiment illustrates an embodiment in which the radiation generating device and the radiation receiving device of the radiographic inspection system are disposed on both sides of the scanning channel, that is, a transmissive embodiment, and the radiographic inspection system according to the present invention can also be implemented in a backscattering manner.
  • a transmissive embodiment and the radiographic inspection system according to the present invention can also be implemented in a backscattering manner. The details will be described below with reference to Figures 3-6.
  • the radiographic inspection system includes a cabin 30 disposed on one side of a scanning channel P of a container yard in which a radiation generating device 20 and a radiation receiving device 60 are disposed. . That is, the radiation generating device 20 and the radiation receiving device 60 are disposed on the same side of the scanning passage P, and are disposed in one of the cabins 30.
  • the pod 30 is identical to the pod described above and is also provided as a standard container or a pod having the same shape, size and configuration as a standard container.
  • the ray generating device 20 is arranged such that it emits a shot The line is capable of scanning the entire container C in the height direction of the container (Z direction as shown in FIG. 3).
  • the radiographic inspection system may further include a moving device 8 including a guide wheel 81 disposed on a lower surface of the cabin 30, on the ground corresponding to the guide wheel 81.
  • the guide rail 82 and the guide wheel 81 are movably fitted to the guide rail 82.
  • the radiographic inspection system does not need to be set. Connect the device to ensure simultaneous movement of the two.
  • the radiographic inspection system should also include a driving device. The principle and form of the driving device are the same as those of the driving device described above. To save space, no further description is provided herein. .
  • the cabin on the side of the scanning channel P is driven by the driving device of the radiographic inspection system.
  • the body 30 is moved along the scanning path at a predetermined moving speed to perform a scanning inspection of the entire container C.
  • radiographic inspection system of FIG. 3 may also include the above-described radiation protection device and the like.
  • FIG. 4 shows a schematic diagram of a radiographic inspection system in accordance with another embodiment of the present invention.
  • the differences from the embodiment of Fig. 3 will be mainly explained below.
  • the radiographic inspection system includes a radiation receiving device 60 that includes a plurality of detectors arranged in an L shape. Specifically, a portion of the detector is disposed on the vertical inner side wall 31 of the pod 30, and another portion of the detector is disposed on the cross bracket 32 that is perpendicular to the vertical inner side wall 31.
  • Figure 5 shows a schematic diagram of a radiographic inspection system in accordance with another embodiment of the present invention. In order to avoid repetition, the differences from the embodiment of Fig. 3 will be mainly explained below.
  • the radiographic inspection system comprises two cabins 30, 30' which are respectively arranged on the left and right sides of the scanning channel P of the container yard, within the cabin 30 A radiation generating device 20 and a radiation receiving device 60 are provided, and a radiation generating device 20' and a radiation receiving device 60' are disposed in the cabin 30'.
  • the radiation emitted from the radiation generating device 20 is received by the radiation receiving device 60, and the radiation emitted from the radiation generating device 20' is The radiation receiving device 60' receives.
  • the radiographic inspection system also includes a mobile device 8 disposed at the cabin 30, 30', respectively.
  • Figure 6 shows a schematic diagram of a radiographic inspection system in accordance with another embodiment of the present invention. In order to avoid repetition, the differences from the embodiment of Fig. 3 will be mainly explained below.
  • the radiographic inspection system includes three pods 30, 30', 30", wherein the pods 30, 30' are constructed and arranged in the same manner as the embodiment illustrated in Figure 5, A radiation generating device 20" and a radiation receiving device 60" are disposed in the cabin 30". As shown in Fig. 6, the cabin 30" is disposed below the container C to be inspected to perform scanning inspection of the container C from the lower side.
  • the radiographic inspection system further includes respective compartments 30, 30', 30" Mobile device 8. With such an arrangement, the container C is scanned and checked from the left side, the right side, and the lower side at the same time, so that the container C can be inspected more efficiently.
  • a pit (not shown) may be provided on the ground below the scanning passage P to arrange the cabin 30" in the pit; or, may be directly 30" Arranged on the ground, the cabins 30, 30' on both sides are arranged at a higher position, and the lifting height of the container C when passing through the scanning passage P is higher to facilitate scanning inspection from the lower side of the container C.
  • a control system for controlling various devices, machines, and devices within the yard is provided in the container yard, and the radiographic inspection system according to the present invention further includes a control device, the control device and the control system of the container yard and / or a database communication connection of the container yard to enable signal and data transmission with the control system of the container yard.
  • the control system can be electrically coupled to the drive unit to control the drive unit.
  • the radiographic inspection system may further comprise photoelectric conversion means for converting the radiation received by the radiation receiving device into a digital signal, the photoelectric conversion device being communicatively coupled to the control device for transmitting image information to the The control device.
  • the radiographic inspection system may further include a bin number identification device 50 (shown in FIG. 7) configured to identify a container number
  • the box number identification device 50 is communicatively coupled to the control device to transmit the identified container number information to the control device, the control device being further The configuration is: reading corresponding container information from the database of the control system of the container yard and/or the container yard according to the identified box number, and binding the container information and the image information.
  • the radiographic inspection system may further comprise a power distribution device for powering and/or distributing the various electronic components within the cabin of the radiographic inspection system.
  • control device of the radiographic inspection system includes a processor configured to communicate with other related systems and to analyze, process, etc. images and/or data acquired by the radiographic inspection system.
  • FIGS. 7-8 may include the following steps: using a container transfer device in a container yard (eg, a lifting machine, etc.)
  • the radiographic inspection system is stacked in a container yard.
  • the cabins 11 or 11', 12, 13 and the like of the radiographic inspection system are schematically shown respectively arranged in the scanning channel P.
  • the cabin of the radiographic inspection system may also be disposed only on one side of the scanning passage P; and Figures 7 and 8 schematically show the scanning of a 45-foot container and 20 feet long, respectively. The way of the container.
  • the radiographic inspection method according to the present invention can be performed while stacking containers. That is, the radiographic inspection method according to the present invention may further comprise the steps of: positioning the container to be inspected within the inspection range of the radiographic inspection system by using the container transfer device when the container transfer device performs the stacking operation of the container in the container yard, and then Turning on the radiation generating device of the radiation inspection system, and controlling the driving device of the radiation inspection system to drive the radiation inspection system to move along the scanning channel at a predetermined speed to scan the container to be inspected along the length of the container to be inspected .
  • the radiographic inspection method according to the present invention can also be performed while the container transfer apparatus is in an idle state (e.g., at night). That is, the radiographic inspection method according to the present invention may further include the step of positioning the container to be inspected within the inspection range of the radiographic inspection system by using the container transfer device when the container transfer device is in an idle state in which the stacking operation of the container is not performed, and then Turning on the radiation generating device of the radiographic inspection system, And controlling the driving device of the radiographic inspection system such that it drives the radiographic inspection system to move along the scanning channel at a predetermined speed to scan the container to be inspected along the length of the container to be inspected.
  • the radiographic inspection method according to the present invention can flexibly arrange the inspection time according to the needs of the work flow in the container yard.
  • the radiographic inspection method according to the present invention may further comprise the following steps:
  • Binding the container information to image information scanned by the radiographic inspection system Binding the container information to image information scanned by the radiographic inspection system.
  • the radiographic inspection method according to the present invention may further comprise the step of driving the radiographic inspection system after completing a predetermined scan of the first container stack within the container yard
  • the second container stack is located at different locations within the container yard to scan the second container stack.
  • all components of the inspection system are installed in one or more container or container type capsules, and one or more cabins are placed in the same container as the standard container.
  • the container transfer equipment such as a crane
  • the inspected container is lifted and passed through the inspection system to realize the scanning of the container.
  • the container inspection system can be placed directly in the container yard without the need for additional or specialized equipment sites, which can save a lot of space on the site.
  • the radiographic inspection system and the inspection method of the present invention do not require the vehicle to transport the container to a separate site, directly install it in the container yard and control the movement of the radiographic inspection system itself to complete the scanning, thereby improving the inspection efficiency.
  • the container or container type capsule of the radiographic inspection system of the present invention can be conveniently mounted or transferred integrally using existing container cranes or other container transfer equipment in the yard, and the radiographic inspection system of the present invention Container or container type cabins can be moved by themselves, greatly reducing the rapid inspection and transition of the container inspection system according to the needs of the work. Difficulty.

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Abstract

一种可移动式射线检查系统，用于设置在集装箱堆场内对集装箱(C)内的物体进行检查，射线检查系统包括：用于发射射线的射线产生装置(2,20,20',20")、用于接收射线的射线接收装置(6,60,60', 60")、用于容纳射线产生装置(2,20,20',20")和射线接收装置(6,60,60',60")的至少一个舱体(11,11',12,13,30,30',30")和用于射线检查系统移动的移动装置(8)，至少一个舱体(11,11',12,13,30,30',30")中的每一个都被设置为标准集装箱或与标准集装箱具有相同的形状、尺寸和结构的舱体(11,11',12,13,30,30',30")，以使得射线检查系统适于被堆放在集装箱堆场内，并且移动装置(8)被构造用于使射线检查系统能够沿预定方向移动，以对集装箱(C)内的物体进行检查。

Description

用于集装箱的可移动式射线检查系统和检查方法 技术领域
本发明涉及集装箱检查领域，特别是涉及一种安装在集装箱堆场内的用于检查集装箱的可移动式射线检查系统和检查方法。
背景技术
目前，货站、货运码头、港口等集装箱堆放场地土地紧缺，而现有技术中的集装箱检查系统比较庞大，通常需要一个单独的场地进行安装。所以，这样的集装箱检查系统不仅占用了港口的宝贵空间，还存在施工周期长、造价高的问题。
而且，现有的集装箱检查系统通常进行如下的检查流程：集装箱从货船上卸货到港口并且转移到集装箱堆场中，然后被检查的集装箱由专门的车辆牵引，从集装箱堆场转运到该集装箱检查系统的场地进行扫描检查，检查完成之后再由车辆转运回集装箱堆场。这样的检查流程费时费力，降低了港口的集装箱作业流程的效率。另外，现有的集装箱检查系统还需要进行土建施工，存在安装、拆卸困难、无法转场等问题。
发明内容
针对上述现有技术中的一个或多个问题，本发明旨在提出一种射线检查系统和射线检查方法，其能够安装在集装箱堆场内对集装箱内的物体进行检查。
根据本发明的一个方面，提供了一种可移动式射线检查系统，用于设置在集装箱堆场内对集装箱内的物体进行检查，该可移动式射线检查系统包括：用于发射射线的射线产生装置、用于接收射线的射线接收装置、用于容纳所述射线产生装置和所述射线接收装置的至少一个舱体和用于射线检查系统移动的移动装置，其中，所述至少一个舱体中的每一个都被设置为标准集装箱或与标准集装箱具有相同的形状、尺寸和结构的舱体，以使得所述射线检查系统适于被堆放在集装箱堆场内，并且所述移动装置被构造用于使所述射线检查系统能够沿预定方向移动，以对该集装箱内的物体进行检查。
在一些实施例中，所述至少一个舱体中的每一个都设置有与标准集装箱相同的吊装口，以适于被集装箱转移设备吊装。
在一些实施例中，所述移动装置包括导轮和导轨，所述导轮设置在所述舱体的下表面上，所述导轨设置在地面上，并且所述导轮可移动地配合在导轨上；或者，所述移动装置包括安装在所述舱体的下表面上的移动轮。
在一些实施例中，所述移动装置的高度等于集装箱高箱与标准集装箱的高度之差。
在一些实施例中，所述可移动式射线检查系统还包括驱动装置，该驱动装置用于驱动所述射线检查系统移动。
在一些实施例中，所述射线检查系统包括第一舱体、第二舱体和第三舱体，所述第一舱体设置在集装箱堆场的扫描通道的一侧，所述第二舱体和第三舱体以上下堆叠的方式设置在集装箱堆场的所述扫描通道的另一侧，所述第一舱体内设置有所述射线产生装置，所述第二舱体和第三舱体中的每一个内均设置有所述射线接收装置，并且所述射线产生装置和所述射线接收装置在垂直于所述扫描通道的第一方向的第二方向上大致对齐。
在一些实施例中，所述射线检查系统包括第一舱体、第二舱体、第三舱体和第四舱体，所述第二舱体和所述第一舱体以上下堆叠的方式设置在集装箱堆场的扫描通道的一侧，所述第三舱体和第四舱体以上下堆叠的方式设置在集装箱堆场的所述扫描通道的另一侧，并且其中，位于下方的所述第一舱体和位于下方的所述第四舱体中的每一个内均设置有所述射线产生装置和所述射线接收装置，并且位于上方的所述第二舱体和位于上方的所述第三舱体中的每一个内均设置有所述射线接收装置，所述第一舱体和第四舱体中的每一个内设置的所述射线产生装置和所述射线接收装置沿平行于所述扫描通道的第一方向间隔设置，所述第一舱体内的所述射线产生装置与所述第三舱体和所述第四舱体内的所述射线接收装置在垂直于所述第一方向的第二方向上大致相互对齐，并且所述第一舱体和所述第二舱体内的所述射线接收装置与所述第四舱体内的所述射线产生装置在垂直于所述第一方向的 第二方向上大致相互对齐。
在一些实施例中，所述第一舱体和位于下方的所述第三舱体的下表面上均设置有所述移动装置。
在一些实施例中，位于下方的所述第一舱体和位于下方的所述第四舱体的下表面上均设置有所述移动装置。
在一些实施例中，所述射线检查系统还包括刚性连接装置，该刚性连接装置用于连接位于所述扫描通道两侧的舱体。
在一些实施例中，所述射线检查系统包括一个舱体，所述舱体设置在集装箱堆场的扫描通道的一侧，所述舱体内设置有所述射线产生装置和所述射线接收装置。
在一些实施例中，所述射线检查系统包括一个舱体，所述舱体设置在集装箱堆场的扫描通道的一侧，所述射线产生装置设置在所述舱体内，所述射线接收装置包括呈“L”形布置的多个探测器，其中，一部分探测器布置在所述舱体的内侧壁上，另一部分探测器布置在与该内侧壁垂直的横托架上。
在一些实施例中，所述射线检查系统包括第一舱体和第二舱体，所述第一舱体设置在集装箱堆场的扫描通道的一侧，所述第二舱体设置在集装箱堆场的扫描通道的另一侧，所述第一舱体内设置有第一射线产生装置和第一射线接收装置，所述第二舱体内设置有第二射线产生装置和第二射线接收装置，所述第一舱体和所述第二舱体的下表面上均设置有所述移动装置。
在一些实施例中，所述射线检查系统包括第一舱体、第二舱体和第三舱体，所述第一舱体设置在集装箱堆场的扫描通道的一侧，所述第二舱体设置在集装箱堆场的扫描通道的另一侧，所述第三舱体设置在集装箱堆场的扫描通道的下方，所述第一舱体内设置有第一射线产生装置和第一射线接收装置，所述第二舱体内设置有第二射线产生装置和第二射线接收装置，所述第三舱体内设置有第三射线产生装置和第三射线接收装置，所述第一舱体、所述第二舱体和第三舱体的下表面上均设置有所述移动装置。
在一些实施例中，所述可移动式射线检查系统还包括控制装置， 该控制装置与集装箱堆场的控制系统和/或集装箱堆场的数据库通信连接，并且该控制装置与所述驱动装置电连接以控制驱动装置。
在一些实施例中，所述可移动式射线检查系统还包括光电转换装置，用于将所述射线接收装置接收的射线转化成数字信号，所述光电转换装置与所述控制装置通信连接，以将图像信息传送给所述控制装置。
在一些实施例中，所述可移动式射线检查系统还包括箱号识别装置，配置成识别集装箱号，该箱号识别装置与所述控制装置通信连接，以将识别出的箱号信息传送给所述控制装置，所述控制装置被配置为：根据识别出的箱号从所述集装箱堆场的控制系统和/或集装箱堆场的数据库中读取对应的集装箱信息，并且绑定所述集装箱信息与所述图像信息。
根据本发明的另一方面，还提供一种射线检查方法，其使用如上任一方面或实施例所述的可移动式射线检查系统，对集装箱堆场内的集装箱进行检查，该方法包括如下步骤：
将所述可移动式射线检查系统堆放在集装箱堆场中；并且
当集装箱转移设备在集装箱堆场内进行集装箱的堆放作业时，开启所述射线检查系统的射线产生装置，并且控制所述可移动式射线检查系统沿集装箱堆场内的扫描通道以预定速度移动，以沿待检查集装箱的长度方向对待检查集装箱进行扫描。
在一些实施例中，所述射线检查方法还可以包括如下步骤：
当集装箱转移设备处于未进行集装箱的堆放作业的空闲状态时，开启所述射线检查系统的射线产生装置，并且控制所述可移动式射线检查系统沿集装箱堆场内的扫描通道以预定速度移动，以沿待检查集装箱的长度方向对待检查集装箱进行扫描。
在一些实施例中，所述射线检查方法还可以包括如下步骤：
在对集装箱堆场内的第一集装箱堆完成预定的扫描之后，驱动所述可移动式射线检查系统移动至位于集装箱堆场内不同位置处的第二集装箱堆，以对第二集装箱堆进行扫描。
附图说明
为使本发明的目的、技术方案和优点更加清楚明白，以下结合具体实施例，并参照附图，对本发明作进一步的详细说明，其中：
图1是根据本发明的实施例的射线检查系统的示意图，其中射线检查系统包括三个舱体，并且射线产生装置和射线接收装置分别设置在扫描通道两侧；
图1A是根据本发明的一个实施例的射线检查系统的移动装置的局部放大图；
图2是根据本发明的实施例的射线检查系统的示意图，其中射线检查系统包括四个舱体，并且射线产生装置和射线接收装置分别设置在扫描通道两侧；
图3是根据本发明的实施例的射线检查系统的示意图，其中射线检查系统包括一个舱体，并且射线产生装置和射线接收装置设置在扫描通道同一侧；
图4是根据本发明的实施例的射线检查系统的示意图，其中射线接收装置包括呈“L”形布置的多个探测器；
图5是根据本发明的实施例的射线检查系统的示意图，其中射线检查系统包括两个舱体，分别从两侧扫描集装箱；
图6是根据本发明的实施例的射线检查系统的示意图，其中射线检查系统包括三个舱体，分别从左侧、右侧和下侧扫描集装箱；
图7示意性地示出根据本发明的射线检查系统扫描45尺长的集装箱时的布置方式；
图8示意性地示出根据本发明的射线检查系统扫描20尺长的集装箱时的布置方式。
具体实施方式
下面将详细描述本发明的具体实施例，应当注意，这里描述的实施例只用于举例说明，并不用于限制本发明。在以下描述中，为了提供对本发明的透彻理解，阐述了大量特定细节。然而，对于本领域普通技术人员显而易见的是：不必采用这些特定细节来实行本发明。在 其他实例中，为了避免混淆本发明，未具体描述公知的结构、电路、材料或方法。
在整个说明书中，对“一个实施例”、“实施例”、“一个示例”或“示例”的提及意味着：结合该实施例或示例描述的特定特征、结构或特性被包含在本发明至少一个实施例中。因此，在整个说明书的各个地方出现的短语“在一个实施例中”、“在实施例中”、“一个示例”或“示例”不一定都指同一实施例或示例。此外，可以以任何适当的组合和/或子组合将特定的特征、结构或特性组合在一个或多个实施例或示例中。此外，本领域普通技术人员应当理解，这里使用的术语“和/或”包括一个或多个相关列出的项目的任何和所有组合。
在附图中，为了方便描述，设置有XYZ坐标系，其中，X方向表示集装箱堆场内扫描通道的方向，即集装箱的长度方向，Y方向表示集装箱的宽度方向，Z方向表示集装箱的高度方向。
在本公开中，“第一”、“第二”等表述并不意味着排序或重要性的分别，而仅为了区别不同部件的名称。本公开中，为了简明，一些常用的例如处理器等本领域技术人员熟知的装置没有作出详细介绍。
图1示出了根据本发明的一个实施例的射线检查系统的示意图。该射线检查系统用于安装在集装箱堆场内对集装箱内的物体进行检查。需要说明的是，为了清楚示出本发明的射线检查系统，集装箱堆场内的其它集装箱、吊装机械等设备被省略。
该射线检查系统主要包括：用于发射射线的射线产生装置、用于接收射线的射线接收装置和用于容纳所述射线产生装置和所述射线接收装置的至少一个舱体。射线检查系统配置成能够限定扫描通道。所述至少一个舱体中的每一个都被设置为标准集装箱或与标准集装箱具有相同的形状、尺寸和结构的舱体，以使得所述射线检查系统能够被堆放在集装箱堆场内。其中，“每一个舱体都被设置为与标准集装箱具有相同的形状、尺寸和结构的舱体”意思是：每一个舱体都为标准集装箱的长方形形状，每一个舱体的尺寸(包括长、宽、高等尺寸)等于标准集装箱的尺寸，并且每一个舱体都具有与标准集装箱相同的结构，特别是外部接口结构，例如，每一个舱体都具有与标准集装箱相 同的吊装口，以使得每一个舱体都适于被集装箱堆场内现有的吊装机械吊装。由此可见，根据本发明的射线检查系统可以使用现有的吊装机械与标准集装箱无缝对接地安装在集装箱堆场内，不需要专门的场地，也不需要专门的安装设备，既节约了场地，还简化了安装和转场操作。
在图1示出的实施例中，该射线检查系统包括三个舱体，即第一舱体11、第二舱体12和第三舱体13，第一舱体11设置在集装箱堆场的扫描通道P(如图6、7所示)的一侧(图1中为右侧)，第二舱体12和第三舱体13以上下堆叠的方式设置在集装箱堆场的所述扫描通道P的另一侧(图1中为左侧)。第一舱体11内设置有射线产生装置2，该射线产生装置可以是放射性元素，例如钴-60放射性元素；也可以是X射线发生器；也可以是X光机；还可以是中子发生器。第二舱体12和第三舱体13中的每一个内均设置有射线接收装置6，该射线接收装置6可以包括多个探测器、探测器阵列等。
该射线检查系统还包括移动装置8，在一个示例中，如图1A所示，该移动装置8包括设置在舱体上的导轮81和设置在地面G的导轨82，其中，导轮81可移动地配合在导轨82上。具体地，第一舱体11以及位于下方的第三舱体13的下表面上分别设置有导轮81，在导轮81对应的地面上分别设置有导轨82，两个导轮81分别可移动地配合在两条导轨82上。
该射线检查系统还可以包括驱动装置(未示出)，用于驱动所述射线检查系统移动。在一个示例中，该驱动装置可以包括设置在射线检查系统本体(例如舱体)上的电动、气动或液压马达，即所述射线检查系统可以是自推动或自驱动型装置。在另一个示例中，该驱动装置可以包括位于射线检查系统外部的拖车、动力头等，该拖车或动力头可以在使用时与射线检查系统连接，以拖动该射线检查系统，即所述射线检查系统可以是外力推动或外力驱动型装置。
进一步地，为了使图1中分别位于扫描通道P两侧的第一舱体11以及第二舱体12和第三舱体13同步运动，更确切地，为了使图1中分别位于扫描通道P两侧的射线产生装置2和相应的射线接收装置6 同步运动，在第一舱体11与第三舱体13之间设置有连接装置9。该连接装置9是刚性连接装置，例如连接杆91。这样，当驱动装置驱动位于扫描通道P右侧的第一舱体11沿导轨82移动时，由于连接杆91将两侧的舱体刚性连接在一起，所以位于扫描通道P左侧的第二舱体12和第三舱体13就会同步地移动，即射线产生装置2和相应的射线接收装置6就会同步地移动，从而确保射线产生装置2产生的射线能够被射线接收装置6接收。同样地，当驱动装置驱动位于扫描通道P左侧的第二舱体12和第三舱体13沿导轨82移动时，位于扫描通道P左侧的第一舱体11就会同步地移动。在该实施例中，通过设置刚性连接装置，可以保证位于扫描通道两侧的舱体同步移动，不仅无需为位于扫描通道两侧的舱体分别设置驱动装置，而且还不用设置复杂的同步驱动机构来确保位于扫描通道两侧的舱体的同步移动。
这样，在图1所示的实施例中，吊装机械将集装箱C吊装在射线检查系统中(即位于扫描通道中射线产生装置与射线接收装置之间的位置)时，在射线检查系统的驱动装置的驱动下，位于扫描通道P两侧的舱体11、12、13以预定的移动速度沿扫描通道移动，以对整个集装箱C进行扫描检查。
需要注意的是，虽然在图1的示例中，移动装置包括导轮和导轨，并且导轨为“工”字形导轨，但是，本发明并不局限于这样的移动装置，例如，在可替代的实施例中，移动装置可以包括其它形状的导轨，或者移动装置可以包括导轨和滑块，或者移动装置可以为轮式移动装置，即移动装置包括设置在舱体下方的移动轮。
如图1所示，第一舱体11内还设置有准直器4，并且射线产生装置2、准直器4和射线接收装置6在与扫描通道P的第一方向(图6所示的X方向)垂直的第二方向(Y方向)上大致对齐，以使得射线产生装置2发出的射线能够被射线接收装置6接收。换句话说，射线产生装置2、准直器4和射线接收装置6大致位于垂直于扫描通道P的第一方向的同一平面内。而且，射线产生装置2被设置为使得其发出的射线能够在集装箱的高度方向(如图1所示的Z方向)上扫描整个集装箱C。虽然图中未示出，但是本领域技术人员应理解，集装箱 C被集装箱堆场中的吊装机械悬吊。
进一步地，在一个实施例中，移动装置8的高度(即图1中所示的包括导轮81和导轨82的移动装置8沿Z方向的高度)等于集装箱高箱与标准集装箱的高度之差。由于射线检查系统的舱体的高度通常等于标准集装箱的高度，这样，当射线检查系统的舱体安装在导轨上之后，移动装置与舱体的高度之和刚好等于集装箱高箱的高度，其仍然满足集装箱堆场的尺寸要求，从而不会妨碍集装箱堆场内其它集装箱的堆放。
如图1所示，每一个舱体11、12、13内还可以分别设置射线防护装置112、122、132，以阻挡和减小辐射到周围环境中的辐射剂量。辐射防护装置112、122、132可以根据辐射防护要求设置在每一个舱体的顶部内壁、侧面内壁或底部内壁上。该射线防护装置可以被设置为屏蔽预定位置的射线或在预定时间内屏蔽射线。
需要说明的是，由于本发明的射线检查系统可以通过集装箱堆场中的吊装机械安装在集装箱堆场中，而目前的集装箱堆场基本已实现完全机械化、全自动化操作，即集装箱堆场中一般无操作人员；而在现有的集装箱检查系统中，需要专门的操作人员驾驶车辆将被检查的集装箱牵引到专门的集装箱检查场地中，所以，与现有的集装箱检查系统相比，本发明的集装箱检查系统降低了对辐射防护的要求，从而能够简化系统结构，并降低系统成本。
图2示出了根据本发明的另一个实施例的射线检查系统的示意图。为了避免重复，下面主要说明其与图1的实施例的不同之处。
如图2所示，该射线检查系统包括四个舱体，即第一舱体11、第二舱体11’、第三舱体12和第四舱体13，第二舱体11’和第一舱体11以上下堆叠的方式设置在集装箱堆场的扫描通道P的一侧，第三舱体12和第四舱体13以上下堆叠的方式设置在集装箱堆场的所述扫描通道P的另一侧。
结合图2和图6，第一舱体11位于第二舱体11’下方，第四舱体13位于第三舱体12下方，位于下方的第一舱体11和位于下方的第四舱体13中的每一个内均设置有射线产生装置2和射线接收装置6。需 要注意的是，由于被遮挡，所以在图2中第四舱体13内的射线接收装置6未示出。而位于上方的第二舱体11’和位于上方的第三舱体12中的每一个内均设置有射线接收装置6。如图6所示，位于下方的第一舱体11和位于下方的第四舱体13中的每一个舱体内设置的射线产生装置2和射线接收装置6沿X方向间隔设置。如图2所示，第一舱体11内的射线产生装置2与第三舱体12和第四舱体13内的射线接收装置6在Y方向上大致相互对齐，即，第一舱体11内的射线产生装置2与第三舱体12和第四舱体13内的射线接收装置6大致位于同一YZ平面内，并且第一舱体11和第二舱体11’内的射线接收装置6与第四舱体13内的射线产生装置2在Y方向上相互对齐，即第一舱体11和第二舱体11’内的射线接收装置6与第四舱体13内的射线产生装置2大致位于同一YZ平面内。通过这样的设置方式，第一舱体11内的射线产生装置2发出的射线被第三舱体12和第四舱体13内的射线接收装置6接收，第四舱体13内的射线产生装置2发出的射线被第一舱体11和第二舱体11’内的射线接收装置6接收。
在该实施例中，射线检查系统也包括移动装置8、连接装置9和驱动装置，这些部件与上述实施例中的部件相同，此处不再赘述。这样，当集装箱C被吊装在射线检查系统中并且位于扫描通道P两侧的射线检查系统同步移动时，可以从集装箱C的两侧同时扫描集装箱C，从而能够更有效地检查集装箱C。
上面的实施例说明了将射线检查系统的射线产生装置和射线接收装置设置在扫描通道两侧的实施方式，即透射式实施方式，根据本发明的射线检查系统还可以以背散射的方式实施，下面结合附图3-6详细说明。
在图3示出的实施例中，射线检查系统包括一个舱体30，舱体30设置在集装箱堆场的扫描通道P的一侧，舱体30内设置有射线产生装置20和射线接收装置60。即，射线产生装置20和射线接收装置60设置在扫描通道P的同一侧，并且设置在一个舱体30内。舱体30与上述舱体相同，其也被设置为标准集装箱或与标准集装箱具有相同的形状、尺寸和结构的舱体。射线产生装置20被设置为使得其发出的射 线能够在集装箱的高度方向(如图3所示的Z方向)上扫描整个集装箱C。虽然图中未示出，但是本领域技术人员应理解，集装箱C被集装箱堆场中的吊装机械悬吊。与图1示出的实施例类似，该射线检查系统还可以包括移动装置8，该移动装置8包括设置在舱体30的下表面上的导轮81，在导轮81对应的地面上设置有导轨82，导轮81可移动地配合在导轨82上。与图1示出的实施例不同，由于在图3示出的实施例中，射线检查系统的射线产生装置20和射线接收装置60设置在扫描通道P的同一侧，所以该射线检查系统无需设置连接装置来保证二者的同步移动。另外，本领域技术人员应理解的是，该射线检查系统还应包括驱动装置，该驱动装置的原理和形式与上文描述的驱动装置的原理和形式相同，为了节省篇幅，在此不再赘述。
这样，在图3所示的实施例中，吊装机械将集装箱C吊装在扫描通道中面向射线检查系统的位置中时，在射线检查系统的驱动装置的驱动下，位于扫描通道P一侧的舱体30以预定的移动速度沿扫描通道移动，以对整个集装箱C进行扫描检查。
虽然图3中未示出，但是应理解的是，图3中的射线检查系统也可以包括上述的射线防护装置等结构。
图4示出了根据本发明的另一个实施例的射线检查系统的示意图。为了避免重复，下面主要说明其与图3的实施例的不同之处。
如图4所示，该射线检查系统包括射线接收装置60，射线接收装置60包括呈L形布置的多个探测器。具体地，一部分探测器布置在舱体30的竖直内侧壁31上，另一部分探测器布置在与该竖直内侧壁31垂直的横托架32上。
图5示出了根据本发明的另一个实施例的射线检查系统的示意图。为了避免重复，下面主要说明其与图3的实施例的不同之处。
在图5示出的实施例中，射线检查系统包括两个舱体30、30’，舱体30、30’分别设置在集装箱堆场的扫描通道P的左侧和右侧，舱体30内设置有射线产生装置20和射线接收装置60，并且舱体30’内设置有射线产生装置20’和射线接收装置60’。其中，射线产生装置20发出的射线被射线接收装置60接收，射线产生装置20’发出的射线被 射线接收装置60’接收。该射线检查系统还包括分别设置在舱体30、30’处的移动装置8。通过在扫描通道P两侧设置背散射式的射线检查系统，可以从两侧对集装箱C进行扫描检查，从而能够更有效地检查集装箱C。
图6示出了根据本发明的另一个实施例的射线检查系统的示意图。为了避免重复，下面主要说明其与图3的实施例的不同之处。
在图6示出的实施例中，射线检查系统包括三个舱体30、30’、30”，其中，舱体30、30’的结构和布置方式与图5中示出的实施例相同，舱体30”内设置有射线产生装置20”和射线接收装置60”。如图6所示，舱体30”布置在待检查的集装箱C下方，以从下侧对集装箱C进行扫描检查。该射线检查系统还包括分别设置在舱体30、30’、30”处的移动装置8。通过这样的布置方式，同时从左侧、右侧和下侧对集装箱C进行扫描检查，从而能够更有效地检查集装箱C。
可以理解的是，为了安装舱体30”，可以在扫描通道P下方的地面上设置凹坑(未示出)，以将舱体30”布置在该凹坑中；或者，可以直接将30”布置在地面上，将两侧的舱体30、30’布置在更高的位置处，并且使集装箱C通过扫描通道P时的吊装高度更高，以方便从集装箱C的下侧进行扫描检查。
上面结合图1-6说明了根据本发明不同实施例的射线检查系统的实施方式，下面将进一步描述根据本发明不同实施例的各个射线检查系统共有的部件。
应理解的是，在集装箱堆场中设置有控制堆场内的各个设备、机械和装置的控制系统，根据本发明的射线检查系统还包括控制装置，该控制装置与集装箱堆场的控制系统和/或集装箱堆场的数据库通信连接，从而能够与集装箱堆场的控制系统进行信号和数据传输。而且，该控制系统可以与上述驱动装置电连接，以对驱动装置进行控制。
在一个实施方式中，射线检查系统还可以包括光电转换装置，用于将射线接收装置接收的射线转化成数字信号，所述光电转换装置与所述控制装置通信连接，以将图像信息传送给所述控制装置。
在一个实施方式中，射线检查系统还可以包括箱号识别装置50 (如图7所示)，配置成识别集装箱号，该箱号识别装置50与所述控制装置通信连接，以将识别出的集装箱箱号信息传送给所述控制装置，所述控制装置进一步被配置为：根据识别出的箱号从所述集装箱堆场的控制系统和/或集装箱堆场的数据库中读取对应的集装箱信息，并且绑定所述集装箱信息与所述图像信息。
而且，该射线检查系统还可以包括配电装置，用于对射线检查系统的舱体内的各个电子器件进行供电和/或配电。
进一步地，所述射线检查系统的控制装置包括处理器，该处理器被配置为与其它相关系统进行通信并且对射线检查系统采集的图像和/或数据进行分析、处理等。
下面，结合图7-8详细描述使用上述的射线检查系统对集装箱堆场内的集装箱进行扫描检查的方法，该方法可以包括如下步骤：使用集装箱堆场内的集装箱转移设备(例如，吊装机械等)将射线检查系统堆放在集装箱堆场中，在图7和8示出的实施例中，示意性地示出射线检查系统的舱体11或11’、12、13等分别设置在扫描通道P的两侧，但是，如上所述，射线检查系统的舱体也可以仅设置在扫描通道P的一侧；并且图7和8分别示意性地示出了扫描45尺长的集装箱和20尺长的集装箱的方式。
根据一个实施例，根据本发明的射线检查方法可以在堆放集装箱的同时被执行。即，根据本发明的射线检查方法还可以包括如下步骤：当集装箱转移设备在集装箱堆场内进行集装箱的堆放作业时，利用集装箱转移设备将待检查集装箱定位在射线检查系统的检查范围内，然后开启所述射线检查系统的射线产生装置，并且控制所述射线检查系统的驱动装置，以使其驱动射线检查系统沿扫描通道以预定速度移动，以沿待检查集装箱的长度方向对待检查集装箱进行扫描。
进一步地，根据本发明的射线检查方法还可以在集装箱转移设备处于空闲状态(例如夜间)时被执行。即，根据本发明的射线检查方法还可以包括如下步骤：当集装箱转移设备处于未进行集装箱的堆放作业的空闲状态时，利用集装箱转移设备将待检查集装箱定位在射线检查系统的检查范围内，然后开启所述射线检查系统的射线产生装置， 并且控制所述射线检查系统的驱动装置，以使其驱动射线检查系统沿扫描通道以预定速度移动，以沿待检查集装箱的长度方向对待检查集装箱进行扫描。
由此可见，根据本发明的射线检查方法可以根据集装箱堆场内的作业流程的需要，灵活地安排检查时间。
在一个实施例中，根据本发明的射线检查方法还可以包括如下步骤：
识别被扫描的集装箱的箱号；
根据该箱号从所述集装箱堆场的控制系统和/或集装箱堆场的数据库中读取对应的集装箱信息；并且
绑定所述集装箱信息与所述射线检查系统扫描得到的图像信息。
为了对根据本发明的射线检查系统进行转场，根据本发明的射线检查方法还可以包括如下步骤：在对集装箱堆场内的第一集装箱堆完成预定的扫描之后，驱动所述射线检查系统移动至位于集装箱堆场内不同位置处的第二集装箱堆，以对第二集装箱堆进行扫描。通过这样简单的操作，就可以完成射线检查系统的转场，不需要专门的转场设备，同时提高了转场效率。
在根据本发明实施例的射线检查系统和射线检查方法中，检查系统的所有组成部件都安装在一个或者多个集装箱或集装箱型的舱体内，一个或多个舱体与标准集装箱一样码放在集装箱堆场内，在集装箱转移设备(例如吊机)进行作业时，将被检查集装箱吊起并通过该检查系统，实现集装箱的扫描。该集装箱检查系统可以直接设置在集装箱堆场中，不需要额外或专门的设备场地，从而可以节省大量的场地空间。而且，本发明的射线检查系统和检查方法不需要车辆将集装箱转运到独立的场地，直接将其安装在集装箱堆场内并且控制射线检查系统自身移动就可以完成扫描，从而可以提高检查效率。进一步地，本发明的射线检查系统的集装箱或者集装箱型的舱体可以方便地使用堆场内已有的集装箱吊机或其它集装箱转移设备进行整体安装或转场，并且本发明的射线检查系统的集装箱或者集装箱型的舱体自身就可以移动，大大降低了集装箱检查系统根据工作需要进行快速安装、转场 的难度。
虽然已参照几个典型实施例描述了本发明，但应当理解，所用的术语是说明和示例性、而非限制性的术语。由于本发明能够以多种形式具体实施而不脱离发明的精神或实质，所以应当理解，上述实施例不限于任何前述的细节，而应在随附权利要求所限定的精神和范围内广泛地解释，因此落入权利要求或其等效范围内的全部变化和改型都应为随附权利要求所涵盖。

Claims (20)

  1. 一种可移动式射线检查系统，用于设置在集装箱堆场内对集装箱内的物体进行检查，该可移动式射线检查系统包括：用于发射射线的射线产生装置、用于接收射线的射线接收装置、用于容纳所述射线产生装置和所述射线接收装置的至少一个舱体和用于射线检查系统移动的移动装置，所述射线检查系统配置成能够限定一扫描通道，其特征在于：
    所述至少一个舱体中的每一个都被设置为标准集装箱或与标准集装箱具有相同的形状、尺寸和结构的舱体，以使得所述射线检查系统适于被堆放在集装箱堆场内，并且所述移动装置被构造用于使所述射线检查系统能够沿预定方向移动，以对该集装箱内的物体进行检查。
  2. 如权利要求1所述的可移动式射线检查系统，其中，所述至少一个舱体中的每一个都设置有与标准集装箱相同的吊装口，以适于被集装箱转移设备吊装。
  3. 如权利要求1或2所述的可移动式射线检查系统，其中，所述移动装置包括导轮和导轨，所述导轮设置在所述舱体的下表面上，所述导轨设置在地面上，并且所述导轮可移动地配合在导轨上；或者，所述移动装置包括安装在所述舱体的下表面上的移动轮。
  4. 如权利要求1-3中任一项所述的可移动式射线检查系统，其中，所述移动装置的高度等于集装箱高箱与标准集装箱的高度之差。
  5. 如权利要求1-4中任一项所述的可移动式射线检查系统，还包括驱动装置，该驱动装置用于驱动所述射线检查系统移动。
  6. 如权利要求1-5中任一项所述的可移动式射线检查系统，其中，所述射线检查系统包括第一舱体、第二舱体和第三舱体，所述第一舱体设置在集装箱堆场的扫描通道的一侧，所述第二舱体和第三舱体以上下堆叠的方式设置在集装箱堆场的所述扫描通道的另一侧，
    所述第一舱体内设置有所述射线产生装置，所述第二舱体和第三舱体中的每一个内均设置有所述射线接收装置，并且所述射线产生装置和所述射线接收装置在垂直于所述扫描通道的第一方向的第二方向上大致对齐。
  7. 如权利要求1-5中任一项所述的可移动式射线检查系统，其中，所述射线检查系统包括第一舱体、第二舱体、第三舱体和第四舱体，所述第二舱体和所述第一舱体以上下堆叠的方式设置在集装箱堆场的扫描通道的一侧，所述第三舱体和第四舱体以上下堆叠的方式设置在集装箱堆场的所述扫描通道的另一侧，并且其中，
    位于下方的所述第一舱体和位于下方的所述第四舱体中的每一个内均设置有所述射线产生装置和所述射线接收装置，并且位于上方的所述第二舱体和位于上方的所述第三舱体中的每一个内均设置有所述射线接收装置，所述第一舱体和第四舱体中的每一个内设置的所述射线产生装置和所述射线接收装置沿平行于所述扫描通道的第一方向间隔设置，所述第一舱体内的所述射线产生装置与所述第三舱体和所述第四舱体内的所述射线接收装置在垂直于所述第一方向的第二方向上大致相互对齐，并且所述第一舱体和所述第二舱体内的所述射线接收装置与所述第四舱体内的所述射线产生装置在垂直于所述第一方向的第二方向上大致相互对齐。
  8. 如权利要求6所述的可移动式射线检查系统，其中，所述第一舱体和位于下方的所述第三舱体的下表面上均设置有所述移动装置。
  9. 如权利要求7所述的可移动式射线检查系统，其中，位于下方的所述第一舱体和位于下方的所述第四舱体的下表面上均设置有所述移动装置。
  10. 如权利要求6-9中任一项所述的可移动式射线检查系统，其中，所述射线检查系统还包括刚性连接装置，该刚性连接装置用于连接位于所述扫描通道两侧的舱体。
  11. 如权利要求1-5中任一项所述的可移动式射线检查系统，其中，所述射线检查系统包括一个舱体，所述舱体设置在集装箱堆场的扫描通道的一侧，所述舱体内设置有所述射线产生装置和所述射线接收装置。
  12. 如权利要求1-5中任一项所述的可移动式射线检查系统，其中，所述射线检查系统包括一个舱体，所述舱体设置在集装箱堆场的扫描通道的一侧，所述射线产生装置设置在所述舱体内，所述射线接 收装置包括呈“L”形布置的多个探测器，其中，一部分探测器布置在所述舱体的内侧壁上，另一部分探测器布置在与该内侧壁垂直的横托架上。
  13. 如权利要求1-5中任一项所述的可移动式射线检查系统，其中，所述射线检查系统包括第一舱体和第二舱体，所述第一舱体设置在集装箱堆场的扫描通道的一侧，所述第二舱体设置在集装箱堆场的扫描通道的另一侧，所述第一舱体内设置有第一射线产生装置和第一射线接收装置，所述第二舱体内设置有第二射线产生装置和第二射线接收装置，所述第一舱体和所述第二舱体的下表面上均设置有所述移动装置。
  14. 如权利要求1-5中任一项所述的可移动式射线检查系统，其中，所述射线检查系统包括第一舱体、第二舱体和第三舱体，所述第一舱体设置在集装箱堆场的扫描通道的一侧，所述第二舱体设置在集装箱堆场的扫描通道的另一侧，所述第三舱体设置在集装箱堆场的扫描通道的下方，所述第一舱体内设置有第一射线产生装置和第一射线接收装置，所述第二舱体内设置有第二射线产生装置和第二射线接收装置，所述第三舱体内设置有第三射线产生装置和第三射线接收装置，所述第一舱体、所述第二舱体和第三舱体的下表面上均设置有所述移动装置。
  15. 如权利要求5所述的可移动式射线检查系统，还包括控制装置，该控制装置与集装箱堆场的控制系统和/或集装箱堆场的数据库通信连接，并且该控制装置与所述驱动装置电连接以控制驱动装置。
  16. 如权利要求15所述的可移动式射线检查系统，还包括光电转换装置，用于将所述射线接收装置接收的射线转化成数字信号，所述光电转换装置与所述控制装置通信连接，以将图像信息以数字信号传送给所述控制装置。
  17. 如权利要求16所述的可移动式射线检查系统，还包括箱号识别装置配置成识别集装箱号，该箱号识别装置与所述控制装置通信连接，以将识别出的箱号信息传送给所述控制装置，所述控制装置被配置为：根据识别出的箱号从所述集装箱堆场的控制系统和/或集装箱堆 场的数据库中读取对应的集装箱信息，并且绑定所述集装箱信息与所述图像信息。
  18. 一种射线检查方法，其使用如权利要求1-17中任一项所述的可移动式射线检查系统，对集装箱堆场内的集装箱进行检查，其特征在于，该方法包括如下步骤：
    使用集装箱堆场内的集装箱转移设备将所述可移动式射线检查系统堆放在集装箱堆场中，使得所述射线检查系统能够限定一扫描通道；并且
    当集装箱转移设备在集装箱堆场内进行集装箱的堆放作业时，开启所述射线检查系统的射线产生装置，并且控制所述可移动式射线检查系统沿集装箱堆场内的扫描通道以预定速度移动，以沿待检查集装箱的长度方向对待检查集装箱进行扫描。
  19. 如权利要求18所述的射线检查方法，还包括如下步骤：
    当集装箱转移设备处于未进行集装箱的堆放作业的空闲状态时，开启所述射线检查系统的射线产生装置，并且控制所述可移动式射线检查系统沿集装箱堆场内的扫描通道以预定速度移动，以沿待检查集装箱的长度方向对待检查集装箱进行扫描。
  20. 如权利要求18或19所述的射线检查方法，还包括如下步骤：
    在对集装箱堆场内的第一集装箱堆完成扫描之后，驱动所述可移动式射线检查系统移动至位于集装箱堆场内不同位置处的第二集装箱堆，以对第二集装箱堆进行扫描。
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US10782246B2 (en) 2020-09-22
SG10201709939YA (en) 2018-07-30
FR3060770B1 (fr) 2023-02-10
US20180172604A1 (en) 2018-06-21
GB2559033A (en) 2018-07-25
DE102017011133A1 (de) 2018-06-21
CN106526687A (zh) 2017-03-22
EP3336587A1 (en) 2018-06-20
GB2559033B (en) 2020-07-08

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