CN210690842U - Double-view-angle intelligent X-ray security inspection equipment - Google Patents
Double-view-angle intelligent X-ray security inspection equipment Download PDFInfo
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- CN210690842U CN210690842U CN201920607863.3U CN201920607863U CN210690842U CN 210690842 U CN210690842 U CN 210690842U CN 201920607863 U CN201920607863 U CN 201920607863U CN 210690842 U CN210690842 U CN 210690842U
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Abstract
The utility model discloses a double-view-angle intelligent X-ray security inspection device, which comprises a frame, a channel plate, an inlet lead door curtain and an outlet lead door curtain, wherein the channel plate is arranged on the frame to form a conveying channel; a first X-ray source is arranged outside the right side of the conveying channel; and a second X-ray source is arranged below the conveying channel and close to the position of the inlet lead door curtain. The equipment can form images at two different angles on the inspected object by setting the X-ray sources at two visual angles, and automatically detects the inspected object based on the depth learning algorithm, so that the accuracy of dangerous object detection is improved. Meanwhile, the equipment is provided with the card information code reader, so that the information of various articles containing the induction chip in the detected package of the passer-by can be collected, the identity of the passer-by is checked according to the carried articles, and the safety is improved.
Description
Technical Field
The utility model relates to an X ray safety inspection equipment especially relates to an intelligent X ray safety inspection equipment of two visual angles.
Background
With the convenience and development of traffic and the improvement of safety requirements of people, X-ray security inspection machines are generally used in airports, customs, stations, subways, ports, nuclear power plants, government offices, courts, meeting places and other places to inspect articles of customers to prevent dangerous articles or articles prohibited from being carried into the interior.
For this reason, X-ray security inspection equipment is widely used. People carry out a large amount of research and improvement to X ray safety inspection equipment to realize the intellectuality of X ray safety inspection equipment, convenient, accurate confession detection personnel use.
In the patent application with the application number of 201610916810.0, an X-ray security inspection machine is provided, which comprises a frame, an X-ray emission source, a collimator, a channel plate, a conveying mechanism, a detection box, an industrial personal computer and a protective lead curtain; the frame includes chassis and support frame, and the chassis includes the chassis and installs in the inside chassis stiffening beam of chassis. Constitute the frame through setting up chassis and support frame, support each part of this X ray security check machine through the support frame, and support the support frame through the chassis, carry this X ray security check machine as needs like this, fork truck jack-up frame, the atress of frame is mainly concentrated in the middle part of chassis, support the support frame through the chassis, the chassis can carry out homodisperse with the power of fork truck jack-up, make the effort dispersion to the four corners of support frame, thereby can avoid the support frame distortion, and then the position that also can avoid each part of this X ray security check machine changes, guarantee the stable performance of this X ray security check machine.
The X-ray security inspection machine improves the stability of security inspection, but how to improve the detection accuracy and the security inspection capability includes automatically judging whether people carry forbidden articles and checking the identity of a passer according to the carried articles, and further solution is needed.
Disclosure of Invention
Not enough to prior art, the utility model aims to solve the technical problem that a double-view intelligent X-ray safety inspection equipment is provided.
In order to realize the purpose of the utility model, the utility model adopts the following technical proposal:
a double-view-angle intelligent X-ray security inspection device comprises a rack, a channel plate, an inlet lead door curtain, an outlet lead door curtain, a system control and signal processing circuit unit, a comprehensive processing computer and an intelligent algorithm computer, wherein the channel plate is installed on the rack to form a conveying channel, the inlet lead door curtain is arranged at the article inlet end of the conveying channel, and the outlet lead door curtain is arranged at the outlet end of the conveying channel; wherein the content of the first and second substances,
a first X-ray source is arranged outside the right side of the conveying channel; a first collimator is arranged in front of the first X-ray source and close to the channel wall, X-rays emitted by the first X-ray source form a first X-ray beam with a fan-shaped section through the collimator, and the first X-ray beam is received by a first detector group;
the first detector group is L-shaped, and two ends of the first detector group are respectively arranged at the top of the conveying channel and the side edge far away from the first X-ray source;
a second X-ray source is arranged below the conveying channel and close to the position of the inlet lead door curtain; a second collimator is arranged in front of the second X-ray source and close to the channel wall, X-rays emitted by the second X-ray source form a second X-ray beam with a sector-shaped section through the second collimator, and the second X-ray beam is received by a second detector group;
the second detector group is L-shaped, and two ends of the second detector group are respectively arranged at the top and the side of the conveying channel;
the system control and signal processing circuit unit processes X-ray signals respectively received by the first detector group and the second detector group and transmits formed projection image signals of two visual angles to the comprehensive processing computer and the intelligent algorithm computer;
the comprehensive processing computer displays the X-ray image;
the intelligent algorithm computer processes the X-ray image based on a deep learning algorithm to identify dangerous or prohibited carried articles.
Preferably, the first detector set is arranged behind the second detector set and close to the outlet lead curtain.
Wherein, preferably, the card information code reader is arranged below the conveying belt and close to the inner side of the entrance lead door curtain;
the card information code reader is used for scanning the inductive chip in the package and acquiring information in the inductive chip.
Preferably, the irradiation field angle of the first X-ray source to the right side of the conveying channel is 45-90 degrees.
Preferably, the irradiation field angle of the second X-ray source to the bottom of the conveying channel is 45-90 degrees.
Wherein preferably an entrance light sensor is disposed above said conveyor belt adjacent the inside of the entrance lead curtain;
the entrance light sensor is used for triggering the first X-ray source and the second X-ray source to emit X-ray beams.
Wherein preferably, a light sensor is arranged above the conveying belt and close to the inner side of the outlet lead door curtain;
the light sensor is used for triggering the first X-ray source and the second X-ray source to emit X-ray beams when the X-ray security inspection equipment runs reversely.
The utility model provides an intelligent X ray safety inspection equipment of two visual angles through the X ray source that sets up two visual angles at transfer passage, makes X ray safety inspection equipment have the X ray imaging system at two visual angles, can form the image of two different angles to the article of being examined, has improved the degree of accuracy that dangerous goods detected. Meanwhile, the security inspection equipment can simultaneously acquire information of various articles containing the induction chip, such as RFID labels and identity cards, in the checked packages of passers-by, and the information is analyzed and utilized by a superior system.
Drawings
Fig. 1 is a schematic view of the overall structure of the dual-view intelligent X-ray security inspection apparatus provided by the present invention;
FIG. 2 is a schematic diagram of the main structure of a dual-view intelligent X-ray security inspection device;
fig. 3 is a schematic view of a front view of two viewing angles of the dual-viewing-angle intelligent X-ray security inspection apparatus provided by the present invention.
Detailed Description
The technical content of the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the utility model provides a two intelligent X ray safety inspection equipment of angle of vision, including frame 1, conveyer 2, conveyor belt 3, passageway board 4, the plumbous door curtain of entry 5, the plumbous door curtain of export 6, first X ray source 8, first collimator 9, first detector group 10, second X ray source 11, second collimator 12, second detector group 13. The rack 1 is used for supporting all parts of the double-view-angle intelligent X-ray security inspection equipment. The passage plate 4 is mounted on the frame 1, forming a conveying passage 7 (see fig. 2). The inlet lead door curtain 5 is arranged at the article inlet end of the conveying channel 7, the outlet lead door curtain 6 is arranged at the outlet end of the conveying channel, the inlet lead door curtain 5 and the outlet lead door curtain 6 are respectively shielded at two ends of the conveying channel 7, the blocking effect is achieved, X-ray emission is prevented, and the safety of the environment is protected. The conveying belt 3 is arranged at the bottom end of the conveying channel 7 and conveys the measured object through the conveyor. In the embodiment provided by the utility model, an entrance light sensor 14 is arranged above the conveying belt 3 and close to the inner side of the entrance lead door curtain 5, and when the package to be inspected is conveyed into the conveying channel and passes through the entrance light sensor 14, a second X-ray source (bottom-illuminated X-ray source) 11 and a first X-ray source (right side-illuminated X-ray source) 8 are triggered; the two radiation sources emit X-ray beams in succession. And a light sensor 15 is arranged above the conveying belt 3 and close to the inner side of the outlet lead door curtain 6, and the light sensor 15 is used for triggering the bottom-illuminated X-ray source 11 and the right side-illuminated X-ray source 8 when the X-ray security inspection equipment runs in the reverse direction. When the X-ray security inspection equipment runs reversely, the light sensor 15 triggers the right side-illumination X-ray source 8 firstly and then triggers the bottom-illumination X-ray source 11.
The first X-ray source 8 and the second X-ray source 11 are respectively positioned at different positions of the conveying channel; the first X-ray source 8 is installed outside the right side of the conveying channel, and the field angle of irradiation to the conveying channel is 45-90 degrees. The second X-ray source 11 is arranged below the conveying channel and close to the position of the inlet lead door curtain 5, and the field angle of irradiation to the conveying channel is 45-90 degrees (see figure 3).
A first collimator 9 is arranged in front of the first X-ray source 8, X-rays emitted by the first X-ray source form a first X-ray beam with a fan-shaped cross section through the collimator, and the first X-ray beam is received by a first detector group 10. A second collimator 12 is disposed in front of the second X-ray source 11, and X-rays emitted by the second X-ray source form a second X-ray beam with a sector-shaped cross section through the second collimator, and the second X-ray beam is received by a second detector group 13. Wherein, the right side-illumination X-ray source 8 corresponds to the first detector group 10 and forms a right side-illumination visual angle unit, forming a right side-illumination visual angle V1; the under-illumination X-ray source 11 corresponds to the second detector group 13 and constitutes an under-illumination view angle unit, forming an under-illumination view angle V2.
Wherein a first collimator 9 is arranged in front of the first X-ray source 8 close to the channel wall; a second collimator 12 is arranged in front of the second X-ray source 11 near the channel wall. With respect to the above-mentioned under-illuminated X-ray source 11 and the right-hand side-illuminated X-ray source 8, the collimators 12 and 9 corresponding thereto are located at respective positions of the respective fan-shaped ray beams close to the channel walls.
The utility model provides an in the embodiment, the inboard that is close to entry plumbous door curtain 5 in conveyor belt 3's below still settles certificate card information code reader 16, when being examined the parcel and being transmitted in transfer passage 5, can pass through certificate card information code reader 16's scanning to scan, handle and upload required information. The card information reader 16 may include or integrate a scanning device for detecting various items including an inductive chip, such as RFID tags and identification cards. The information obtained by the identification card information reader 16 is sent to an integrated processing computer 17 (not shown) for collection, processing and uploading, and then the upper system can collect and utilize the information. In the embodiment provided by the present invention, the position where the identification card information code reader 16 is installed can also be located above or on the left and right sides of the conveying channel 5 near the inner side of the entrance lead door curtain.
In the embodiment provided by the present invention, the system control and signal processing circuit unit 18 (not shown) is further included for performing analog-to-digital conversion and signal correction processing on the attenuation signals transmitted through the inspected parcel received by the first detector group 10 and the second detector group 13, respectively, so as to form projection image signals of corresponding V1 and V2 viewing angles; and the projection image signals of the two viewing angles are transmitted to the integrated processing computer 17 and the intelligent algorithm computer 19 (not shown).
The X-ray image of the package is displayed by the integrated processing computer 17. The intelligent algorithm computer 19 processes the X-ray images to identify dangerous or prohibited items and then sends the detection results back to the integrated processing computer 17 and displays the detection results therefrom. In the embodiment provided by the present invention, the intelligent algorithm computer 19 can adopt the object to be carried based on the processing, detecting danger or forbidding of the deep learning algorithm for the image recognition algorithm. The image recognition, the detection of danger or the forbidden articles to be carried are performed based on the deep learning algorithm, and are not described herein again.
The general purpose computer 17 may prompt the location of the corresponding alarmed article in the X-ray image of the package on the computer screen with a highlighted box, or may select an audible prompt, or display the alarmed article separately in an area of the screen outside the X-ray image of the package to prompt the security inspector.
Specifically, in the embodiment provided by the utility model, to the deployment of intelligent algorithm computer 19, if there is the condition of networking, can deploy and provide algorithm call service for 1 or N safety inspection equipment in the computer lab, also can deploy even and provide remote algorithm service at the high in the clouds.
For multi-dimensional information acquisition, the system can be independently deployed without being integrated with security inspection equipment; but the disadvantages are that the deployment mode is not enough to conceal and occupies more land.
Specifically, in the embodiment provided by the utility model, this intelligent X ray security installations of two visual angles can also be including installing two type of falling U framves at both ends around the frame, and the plumbous door curtain of entry 5 and the plumbous door curtain of export 6 are installed respectively on corresponding type of falling U frame. The arrangement of the inverted U-shaped frame facilitates installation and fixation of the inlet lead door curtain 5 and the outlet lead door curtain 6. Furthermore, the inverted U-shaped frame can be made of stainless steel materials, so that oxidation and rusting are prevented, and articles are protected from being stained.
Furthermore, the double-view-angle intelligent X-ray security inspection equipment can also comprise panels covering the top and two sides of the rack 1, so that all parts arranged inside the rack can be effectively protected.
The following is a detailed description of the operation process of the dual-view intelligent X-ray security inspection apparatus.
When the double-view-angle intelligent X-ray security inspection equipment provided by the utility model is used for detecting articles, firstly, the inspected parcels or articles are placed on the conveying belt 3 dragged by the conveyor 2, after the double-view-angle X-ray security inspection equipment is started, the conveyor 2 advances at a constant speed, the inspected parcels are conveyed to the conveying channel 7, and the bottom-illuminated X-ray source 11 and the right side-illuminated X-ray source 8 are triggered when passing through the entrance light sensor 14; the two ray sources emit X-ray beams in sequence, the X-ray beams are changed into thin fan-shaped beams after passing through respective collimators positioned in front of the two ray sources, and the transmission is checked and wrapped; the L-shaped first detector group 10 and the L-shaped second detector group 13 respectively receive corresponding attenuation signals transmitted by the inspected parcels and transmit the attenuation signals to the system control and signal processing circuit unit 18 for analog-to-digital conversion and signal correction processing, so as to form projection image signals of corresponding V1 and V2 visual angles; then, the projection image signals of the two view angles are transmitted to the integrated processing computer 17, and the display of the X-ray image of the parcel is performed in the integrated processing computer 17. The X-ray images of the relevant parcels are simultaneously sent to the intelligent algorithm computer 19 for image recognition, detection of dangerous or prohibited carrying objects based on the deep learning algorithm, and then the detection results are sent back to the comprehensive processing computer 17 and displayed by the same. The general purpose computer 17 may prompt the location of the corresponding alarmed article in the X-ray image of the package on the computer screen with a highlighted box, or may select an audible prompt, or display the alarmed article separately in an area of the screen outside the X-ray image of the package to prompt the security inspector.
Because the material attribute can be distinguished to the inspected object by using the double-energy X-ray detection mode, in the embodiment provided by the utility model, the single X-ray sources are adopted for the V1 and V2 visual angles, and the X-ray of the continuous energy spectrum is emitted; the first L-shaped detector group 10 and the second L-shaped detector group 13 respectively adopt a mode of overlapping high-low energy detectors, namely, the detectors have two different energy spectrum responses with low energy before and high energy after, so that low-energy transmission signals and high-energy transmission signals can be obtained simultaneously; and further carrying out material attribute judgment on the articles in the package to be inspected.
In addition, the packages to be inspected are scanned by the identification card information reader 16 as they are transported in the conveying path 7. The identification card information code reader 16 may be installed below, above or on both sides of the conveyance path 7. The card information reader 16 may include or incorporate a scanning device for detecting various types of items containing an inductive chip, such as RFID tags, identification cards, and the like. The information obtained by the identification card information reader 17 is sent to the integrated processing computer 17 for collection, processing and uploading, and then the upper system can collect and utilize the information.
To sum up, the utility model provides an intelligent X ray safety inspection equipment of two visual angles through the X ray source that sets up two visual angles at transfer passage, makes X ray safety inspection equipment have the X ray imaging system at two visual angles, can form the image of two different angles to the article of being examined, has improved the degree of accuracy that hazardous articles detected. After the image of the object to be inspected is input into the algorithm computer, the image is automatically detected for contraband by using a deep learning algorithm, and the security inspection machine gives an alarm according to the detection result. Meanwhile, the X-ray security inspection equipment can collect information of various articles containing the induction chip in the checked package of the passer, such as RFID labels and identity cards, so that the information can be analyzed and utilized by a superior system, the identity of the passer can be checked according to the carried articles, and the security of security inspection is improved.
Above the utility model provides a two visual angle intelligent X ray safety inspection equipment has carried out detailed description. Any obvious modifications to the above would be obvious to those of ordinary skill in the art, without departing from the spirit of the present invention, and it is intended to constitute a violation of the patent rights of the present invention and to bear the relevant legal responsibility.
Claims (7)
1. A double-view-angle intelligent X-ray security inspection device comprises a rack, a channel plate, an inlet lead door curtain, an outlet lead door curtain, a system control and signal processing circuit unit, a comprehensive processing computer and an intelligent algorithm computer, wherein the channel plate is installed on the rack to form a conveying channel, the inlet lead door curtain is arranged at the article inlet end of the conveying channel, and the outlet lead door curtain is arranged at the outlet end of the conveying channel; the method is characterized in that:
a first X-ray source is arranged outside the right side of the conveying channel; a first collimator is arranged in front of the first X-ray source and close to the channel wall, X-rays emitted by the first X-ray source form a first X-ray beam with a fan-shaped section through the collimator, and the first X-ray beam is received by a first detector group;
the first detector group is L-shaped, and two ends of the first detector group are respectively arranged at the top of the conveying channel and the side edge far away from the first X-ray source;
a second X-ray source is arranged below the conveying channel and close to the position of the inlet lead door curtain; a second collimator is arranged in front of the second X-ray source and close to the channel wall, X-rays emitted by the second X-ray source form a second X-ray beam with a sector-shaped section through the second collimator, and the second X-ray beam is received by a second detector group;
the second detector group is L-shaped, and two ends of the second detector group are respectively arranged at the top and the side of the conveying channel;
the system control and signal processing circuit unit processes X-ray signals respectively received by the first detector group and the second detector group and transmits formed projection image signals of two visual angles to the comprehensive processing computer and the intelligent algorithm computer;
the comprehensive processing computer displays the X-ray image;
the intelligent algorithm computer processes the X-ray image based on a deep learning algorithm to identify dangerous or prohibited carried articles.
2. The dual-view intelligent X-ray security inspection device of claim 1, wherein:
the first detector set is arranged behind the second detector set and close to the position of the outlet lead curtain.
3. The dual-view intelligent X-ray security inspection device of claim 1, wherein:
a certificate card information code reader is arranged below the conveying belt and close to the inner side of the entrance lead door curtain;
the card information code reader is used for scanning the inductive chip in the package and acquiring information in the inductive chip.
4. The dual-view intelligent X-ray security inspection device of claim 1, wherein:
the irradiation field angle of the first X-ray source to the right side of the conveying channel is 45-90 degrees.
5. The dual-view intelligent X-ray security inspection device of claim 1, wherein:
and the irradiation field angle of the second X-ray source to the bottom of the conveying channel is 45-90 degrees.
6. The dual-view intelligent X-ray security inspection device of claim 1, wherein:
an inlet light sensor is arranged above the conveying belt and close to the inner side of the inlet lead door curtain;
the entrance light sensor is used for triggering the first X-ray source and the second X-ray source to emit X-ray beams.
7. The dual-view intelligent X-ray security inspection device of claim 1, wherein:
a light sensor is arranged above the conveying belt and close to the inner side of the outlet lead door curtain;
the light sensor is used for triggering the first X-ray source and the second X-ray source to emit X-ray beams when the X-ray security inspection equipment runs reversely.
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| CN201920607863.3U CN210690842U (en) | 2019-04-29 | 2019-04-29 | Double-view-angle intelligent X-ray security inspection equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110133740A (en) * | 2019-04-29 | 2019-08-16 | 公安部第一研究所 | A kind of double-visual angle intelligence X-ray rays safety detection apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110133740A (en) * | 2019-04-29 | 2019-08-16 | 公安部第一研究所 | A kind of double-visual angle intelligence X-ray rays safety detection apparatus |
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