CN112798629A - X-ray inspection device for goods or vehicles - Google Patents
X-ray inspection device for goods or vehicles Download PDFInfo
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- CN112798629A CN112798629A CN202110158391.XA CN202110158391A CN112798629A CN 112798629 A CN112798629 A CN 112798629A CN 202110158391 A CN202110158391 A CN 202110158391A CN 112798629 A CN112798629 A CN 112798629A
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- 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
- G01N23/06—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 measuring the absorption
- G01N23/10—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 measuring the absorption the material being confined in a container, e.g. in a luggage X-ray scanners
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- 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
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- 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
- G01N23/20—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 using diffraction of the radiation by the materials, e.g. for investigating crystal structure; by using scattering of the radiation by the materials, e.g. for investigating non-crystalline materials; by using reflection of the radiation by the materials
- G01N23/203—Measuring back scattering
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention provides an X-ray inspection device for goods or vehicles, which comprises two box cabins symmetrically arranged at the left side and the right side of a lane, wherein an X-ray source and a corresponding X-ray detector are arranged in the box cabins, the X-ray sources are arranged in the left box cabin and the right box cabin, and the two X-ray sources are arranged in a staggered manner in the vertical direction. The two sets of X-ray sources and the two sets of X-ray detectors are installed and arranged on two sides of the lane in a distributed mode in a facing mode to form two sets of independent inspection systems. The two sets of detection systems respectively generate a scanning image, after goods or vehicles pass through the detection equipment, the whole system completes scanning detection on the lower part and the upper part of the goods or vehicles from two sides, and a scanning detection area completely covers the whole goods or vehicles. The two sets of detection systems can be spliced into a complete scanned image of the goods or the vehicles from scanned images in different directions through an image processing technology.
Description
Technical Field
The invention relates to the technical field of vehicle radiation imaging safety inspection, in particular to an X-ray inspection device for cargos or vehicles.
Background
The X-ray inspection equipment for the green traffic vehicles used by users in the current market is mostly single X-ray source inspection equipment, and due to the limitation of factors such as lane width, X-ray source radiation angle and the like, the whole cargo compartment can not be scanned and inspected in a full-coverage mode, and the individual position of the compartment can not be detected. Thus, the situation of false detection due to false detection may occur; moreover, for a truck driver with certain experience, the truck driver intentionally carries out mixed loading of goods except green currency goods in an area which cannot be scanned by a carriage, and therefore, the economic loss is not small for an expressway operation department.
Therefore, how to complete the X-ray scanning detection of the whole green traffic vehicle compartment becomes a technical problem which is continuously solved at present.
Disclosure of Invention
In order to solve the problems, the invention provides an X-ray inspection device for goods or vehicles, which is installed and arranged on two sides of a lane in a distributed manner in a facing manner through two sets of X-ray sources and two sets of X-ray detectors to form two independent inspection systems. The two sets of detection systems respectively generate a scanning image, after the vehicle passes through the detection equipment, the whole system completes scanning detection on the lower part and the upper part of the freight carriage from two sides, and the scanning detection area completely covers the whole freight carriage. The two sets of detection systems can be spliced into a complete scanned image of the goods or the vehicles from scanned images in different directions through an image processing technology.
In order to achieve the purpose, the invention provides the following specific technical scheme:
the application provides an X ray inspection device for goods or vehicle, sets up in two box cabins of the lane left and right sides including the symmetry be equipped with X ray source and the X ray detector who corresponds in the box cabin, preferably, two about all be equipped with X ray source, and two in the box cabin X ray source sets up in the vertical direction in an interlaced manner.
Preferably, a first X-ray source and a second X-ray detector are arranged in the left box cabin, and a second X-ray source and a first X-ray detector are arranged in the right box cabin; the first X-ray detector is arranged according to a light path formed by X-rays emitted by the first X-ray source, and the second X-ray detector is arranged according to a light path formed by X-rays emitted by the second X-ray source.
Preferably, the first X-ray source and the second X-ray source are arranged in the respective box cabins in a high-low manner, and each of the first X-ray source and the second X-ray source forms a set of imaging detection system, and the irradiation angles of the first X-ray source and the second X-ray source to opposite sides satisfy: the sum of the areas of the two irradiation angles can completely cover the cross-sectional area of the goods or vehicles to be detected.
Preferably, the first X-ray source is arranged at the lower part of the box cabin on the left side and irradiates towards the upper right part, the first X-ray detector on the right side receives X-ray detection information, and the first X-ray source and the first X-ray detector form a first set of imaging detection system to complete scanning detection on the lower half part of the freight car; the second X-ray source is arranged on the right side of the upper part of the box cabin and irradiates towards the lower left side, the second X-ray detector on the left side receives X-ray detection information, and the second X-ray source and the second X-ray detector form a second set of imaging detection system to complete scanning detection of the upper half part of the freight car. The two sets of detection systems respectively generate a scanning image, after the vehicle passes through the detection equipment, the whole system completes scanning detection on the lower part and the upper part of the freight carriage from two sides, and the scanning detection area completely covers the whole freight carriage.
Preferably, the first X-ray source is arranged at the upper part of the box cabin on the left side and irradiates towards the lower right part, the first X-ray detector on the right side receives X-ray detection information, and the first X-ray source and the first X-ray detector form a first set of imaging detection system to complete scanning detection on the upper half part of the freight car; the second X-ray source is arranged on the right side, irradiates towards the upper left side and at the lower part of the box cabin, the second X-ray detector on the left side receives X-ray detection information, and the second X-ray source and the second X-ray detector form a second set of imaging detection system to complete scanning detection of the lower half part of the freight car. The two sets of detection systems respectively generate a scanning image, after the vehicle passes through the detection equipment, the whole system completes scanning detection on the lower part and the upper part of the freight carriage from two sides, and the scanning detection area completely covers the whole freight carriage.
Preferably, the X-ray detector is mounted on a detector arm which can be adjusted in a segmented manner.
Preferably, a collimator having a shutter and a collimating function is installed in the box chamber in the beam outgoing direction of the rays.
Preferably, a back scattering detector is further installed beside the X-ray source to realize a back scattering detection function, and the back scattering images on both sides of the vehicle can be scanned while the transmission images on both sides of the vehicle are scanned.
The invention has the beneficial effect that the invention provides the X-ray inspection device for the goods or vehicles, and two sets of X-ray sources and X-ray detectors which are distributed on two sides of a lane are arranged in a distributed manner through the opposite surface of the inspection device to form two independent inspection systems. The two sets of inspection systems respectively generate a scanning image, after the detected vehicle passes through the detection equipment, the whole system completes scanning detection on the lower part and the upper part of the goods or the vehicle from two sides, and the scanning detection area completely covers the whole goods or the carriage. The X-ray source adopts a low-energy ray source, and the cost of core devices of the equipment and the ray protection cost are reduced while the quality of scanned images is ensured. Therefore, the inspection of the green traffic vehicles is more comprehensive, intelligent and economical, the possibility of the green traffic vehicles to avoid high-speed toll is reduced, and economic loss is recovered for the highway operation departments.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
FIG. 1 is a front view of an X-ray inspection apparatus in a preferred embodiment of the present application;
FIG. 2 is a top view of an X-ray inspection apparatus in a preferred embodiment of the present application;
fig. 3 is a top view of an X-ray examination apparatus according to another preferred embodiment of the present application.
The X-ray detection system comprises a first X-ray source 1, a first X-ray detector 2, a second X-ray source 3, a second X-ray detector 4, a box cabin 5, a detector arm 6, a detected vehicle 7, a collimator 8 and a back scattering detector 9.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It is to be understood that the terminology used in the description of the present application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the specification of the present application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
The terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and "upright," and the like, refer to an orientation or positional relationship that is based on the orientation or positional relationship shown in the drawings, which are used for convenience in describing and simplifying the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
It should also be understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
The embodiment of the application provides an X-ray inspection device for goods or vehicles, which is installed and arranged on two sides of a lane in a distributed mode in a facing mode through two sets of X-ray sources and two sets of X-ray detectors to form two independent inspection systems. The two sets of detection systems respectively generate a scanning image, after the vehicle passes through the detection equipment, the whole system completes scanning detection on the lower part and the upper part of the freight carriage from two sides, and the scanning detection area completely covers the whole freight carriage.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1-2, an X-ray inspection apparatus for goods or vehicles in a preferred embodiment of the present application is shown, which includes two box chambers 5 symmetrically disposed at the left and right sides of a lane, wherein an X-ray source and a corresponding X-ray detector are disposed in the box chambers 5, and an X-ray source is disposed in each of the left and right box chambers 5, and the X-ray sources are disposed in a vertically staggered manner. Furthermore, a first X-ray source 1 and a second X-ray detector 4 are arranged in the left box cabin 5, and a second X-ray source 3 and a first X-ray detector 2 are arranged in the right box cabin 5; the first X-ray detector 2 is arranged according to an optical path formed by the X-rays emitted by the first X-ray source 1, and the second X-ray detector 4 is arranged according to an optical path formed by the X-rays emitted by the second X-ray source 3.
Further, the first X-ray source 1 and the second X-ray source 3 are arranged in the respective box cabin 5 in a high-low manner, and each of the first X-ray source 1 and the second X-ray source 3 forms a set of imaging detection system, and the irradiation angles of the first X-ray source 1 and the second X-ray source 3 to opposite sides satisfy: the sum of the areas of the two irradiation angles can completely cover the section area of the goods or vehicles to be detected so as to ensure that the scanning area covers the whole carriage.
Furthermore, the device is also provided with an X-ray image inspection station for receiving the image data signals generated by the X-ray detector and generating X-ray perspective images of the vehicle after processing. Specifically, when the X-ray source in the box cabin 5 generates X-rays, the X-ray detector receives the X-rays generated by the X-ray source, converts the X-rays into data required for radiation imaging, transmits the data to the X-ray image inspection station, and generates an X-ray perspective image of the vehicle for the staff to view when the vehicle 7 to be inspected passes through the lane between the two box cabins 5.
Further, the X-ray detector is arranged on a detector arm 6 which can be installed and adjusted in a segmented mode; a collimator 8 having a shutter and a collimating function is installed in the box chamber 5 in the beam outgoing direction.
Referring to fig. 1 and 3, an X-ray inspection apparatus for goods or vehicles in a preferred embodiment of the present application is shown, which includes two box cabins 5 symmetrically disposed on the left and right sides of a lane, wherein an X-ray source and a corresponding X-ray detector are disposed in the box cabins 5, an X-ray source is disposed in each of the left and right box cabins 5, and the two X-ray sources are disposed in a staggered manner in the vertical direction. Furthermore, a first X-ray source 1 and a second X-ray detector 4 are arranged in the left box cabin 5, and a second X-ray source 3 and a first X-ray detector 2 are arranged in the right box cabin 5; the first X-ray detector 2 is arranged according to an optical path formed by the X-rays emitted by the first X-ray source 1, and the second X-ray detector 4 is arranged according to an optical path formed by the X-rays emitted by the second X-ray source 3.
Further, the first X-ray source 1 and the second X-ray source 3 are disposed in the respective box cabin 5 in a high-low manner, and each form a set of imaging detection system, and the irradiation angles of the first X-ray source 1 and the second X-ray source 3 to opposite sides satisfy: the sum of the areas of the two irradiation angles can completely cover the section area of the freight carriage, so that the scanning area can cover the whole carriage.
Furthermore, the device is also provided with an X-ray image inspection station for receiving the image data signals generated by the X-ray detector and generating X-ray perspective images of the vehicle after processing. Specifically, when the X-ray source in the box cabin 5 generates X-rays, the X-ray detector receives the X-rays generated by the X-ray source, converts the X-rays into data required for radiation imaging, transmits the data to the X-ray image inspection station, and generates an X-ray perspective image of the vehicle for the staff to view when the vehicle 7 to be inspected passes through the lane between the two box cabins 5.
Further, in a preferred embodiment, the first X-ray source 1 is disposed at the lower part of the box cabin 5 at the left side and irradiates towards the upper right, and the first X-ray detector 2 at the right side receives X-ray detection information, which form a first set of imaging detection system to complete scanning detection of the lower half part of the freight car (i.e. area i in fig. 1); the second X-ray source 3 is disposed at the upper portion of the right-hand side box cabin 5 and irradiates towards the lower left side, the second X-ray detector 4 at the left side receives X-ray detection information, and the X-ray detection information form a second set of imaging detection system to complete scanning detection of the upper half portion of the freight car (i.e., area ii in fig. 1). The two sets of detection systems respectively generate a scanning image, after the vehicle passes through the detection equipment, the whole system completes scanning detection on the lower part and the upper part of the freight carriage from two sides, and the scanning detection area completely covers the whole freight carriage. Based on each set of imaging detection system, a scanning image is generated respectively, and the fusion of two tracing images can be realized through an image processing fusion algorithm to form a complete scanning image of the freight compartment, so that the complete contrast detection of the upper and lower outlines of the freight transported by the vehicle can be realized conveniently.
Further, the X-ray detector is arranged on a detector arm 6 which can be installed and adjusted in a segmented mode; a collimator 8 having a shutter and a collimating function is installed in the box chamber 5 in the beam outgoing direction.
Specifically, the X-ray source is a low-energy X-ray source, and the cost of core devices of the equipment and the radiation protection cost are reduced while the quality of scanned images is ensured.
Specifically, a backscatter detector 9 is further installed beside the X-ray source to realize a backscatter detection function, and when transmission images on both sides of the vehicle are scanned, backscatter images on both sides of the vehicle can also be scanned.
Referring to fig. 1 and 3, when the device is in operation, when a vehicle 7 to be detected runs through a passage between a left box cabin 5 and a right box cabin 5, a first X-ray source 1 and a second X-ray source 3 generate X-rays, a first X-ray detector 2 and a second X-ray detector 4 which are arranged on a detector arm 6 capable of being installed and adjusted in a segmented mode receive the X-rays generated by the X-ray sources, then the X-rays are converted into data required by radiation imaging and transmitted to an X-ray image inspection station, and an X-ray perspective image of the vehicle 7 to be detected is generated on the X-ray image inspection station and is provided for a worker to check. A scattered detector is arranged beside the ray source to realize back scattering detection, so that the back scattering scanning detection function is added.
In a more preferred embodiment, the vehicle to be inspected is a green pass vehicle.
Compared with the prior art, the beneficial effect of this application lies in:
two sets of X-ray sources and X-ray detectors which are distributed on two sides of a lane are installed in a distributed mode through the opposite side of the inspection device, and two independent inspection systems are formed. The two sets of inspection systems respectively generate a scanning image, after the detected vehicle passes through the detection equipment, the whole system completes scanning detection on the lower part and the upper part of the freight carriage from two sides, and the scanning detection area completely covers the whole freight carriage. The X-ray source adopts a low-energy ray source, and the cost of core devices of the equipment and the ray protection cost are reduced while the quality of scanned images is ensured. Therefore, the inspection of the green traffic vehicles is more comprehensive, intelligent and economical, the possibility of the green traffic vehicles to avoid high-speed toll is reduced, and economic loss is recovered for the highway operation departments.
The foregoing description shows and describes several preferred embodiments of the application, but as aforementioned, it is to be understood that the application is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the application as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the application, which is to be protected by the claims appended hereto.
Claims (8)
1. The utility model provides a X ray inspection device for goods or vehicle, includes the symmetry and sets up in two box cabins of lane left and right sides the box cabin is equipped with X ray source and the X ray detector who corresponds, two its characterized in that, control the box cabin all is equipped with X ray source, and two X ray source sets up in the vertical direction is crisscross.
2. The X-ray inspection apparatus for goods or vehicles according to claim 1, wherein a first X-ray source and a second X-ray detector are provided in the left-hand box chamber, and a second X-ray source and a first X-ray detector are provided in the right-hand box chamber; the first X-ray detector is arranged according to a light path formed by X-rays emitted by the first X-ray source, and the second X-ray detector is arranged according to a light path formed by X-rays emitted by the second X-ray source.
3. The X-ray inspection apparatus for cargo or vehicles as claimed in claim 2, wherein the first X-ray source and the second X-ray source are disposed at a high level and a low level in the respective compartment of the box body, each of which constitutes a set of imaging detection system, and the irradiation angles of the first X-ray source and the second X-ray source to the opposite sides satisfy: the sum of the areas of the two irradiation angles can completely cover the cross-sectional area of the detected goods or vehicles.
4. The X-ray inspection apparatus for goods or vehicles as claimed in claim 3, wherein said first X-ray source is disposed at the lower part of said cabinet compartment at the left side and irradiates toward the upper right side, and said first X-ray detector at the right side receives X-ray detection information, both of which constitute a first set of imaging detection system; the second X-ray source is arranged on the upper portion of the box cabin on the right side and irradiates towards the lower left side, the second X-ray detector on the left side receives X-ray detection information, and the second X-ray source and the second X-ray detector form a second set of imaging detection system.
5. The X-ray inspection apparatus for goods or vehicles as claimed in claim 3, wherein said first X-ray source is disposed at the upper portion of said cabinet compartment at the left side and irradiates toward the lower right, and said first X-ray detector at the right side receives X-ray detection information, both of which constitute a first set of imaging detection system; the second X-ray source is arranged at the lower part of the box cabin on the right side and irradiates towards the upper left side, the second X-ray detector on the left side receives X-ray detection information, and the second X-ray source and the second X-ray detector form a second set of imaging detection system.
6. The X-ray inspection apparatus for cargo or vehicles as claimed in claim 1, wherein the X-ray detector is mounted on a detector arm that is adjustable for mounting in segments.
7. The X-ray inspection apparatus for cargo or vehicles as claimed in claim 1, wherein a collimator having a shutter and a collimating function is installed in a radiation outgoing direction in the cabinet compartment.
8. An X-ray inspection apparatus for cargo or vehicles according to claim 1 wherein a backscatter detector is also mounted alongside the X-ray source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110158391.XA CN112798629A (en) | 2021-02-05 | 2021-02-05 | X-ray inspection device for goods or vehicles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110158391.XA CN112798629A (en) | 2021-02-05 | 2021-02-05 | X-ray inspection device for goods or vehicles |
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| CN202110158391.XA Pending CN112798629A (en) | 2021-02-05 | 2021-02-05 | X-ray inspection device for goods or vehicles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884513A (en) * | 2021-08-19 | 2022-01-04 | 浙江华视智检科技有限公司 | Security check machine and cargo detection method |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113884513A (en) * | 2021-08-19 | 2022-01-04 | 浙江华视智检科技有限公司 | Security check machine and cargo detection method |
| CN113884513B (en) * | 2021-08-19 | 2024-01-30 | 浙江华视智检科技有限公司 | Security check machine and cargo detection method |
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