WO2018084420A1 - Plateau pour point de contrôle de sécurité par rayons x - Google Patents

Plateau pour point de contrôle de sécurité par rayons x Download PDF

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Publication number
WO2018084420A1
WO2018084420A1 PCT/KR2017/010000 KR2017010000W WO2018084420A1 WO 2018084420 A1 WO2018084420 A1 WO 2018084420A1 KR 2017010000 W KR2017010000 W KR 2017010000W WO 2018084420 A1 WO2018084420 A1 WO 2018084420A1
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WO
WIPO (PCT)
Prior art keywords
tray
ray
present
eff
front side
Prior art date
Application number
PCT/KR2017/010000
Other languages
English (en)
Korean (ko)
Inventor
최광윤
장태효
Original Assignee
(주)젬스메디컬
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by (주)젬스메디컬 filed Critical (주)젬스메디컬
Priority to KR1020177025747A priority Critical patent/KR20180061083A/ko
Publication of WO2018084420A1 publication Critical patent/WO2018084420A1/fr

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Classifications

    • 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
    • G01N23/043—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 using fluoroscopic examination, with visual observation or video transmission of fluoroscopic images
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D1/00—Containers having bodies formed in one piece, e.g. by casting metallic material, by moulding plastics, by blowing vitreous material, by throwing ceramic material, by moulding pulped fibrous material, by deep-drawing operations performed on sheet material
    • B65D1/34—Trays or like shallow containers
    • 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
    • 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
    • G01N23/083—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 radiation being X-rays
    • 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
    • G01N23/16—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 a moving sheet or film
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2203/00—Decoration means, markings, information elements, contents indicators
    • B65D2203/06—Arrangements on packages concerning bar-codes

Definitions

  • the present invention relates to a tray for x-ray security check, in particular to a tray for explosives detection.
  • the present invention relates to a tray that can inform the opening agent the tray containing the dangerous goods when the X-ray security screening system detects the dangerous goods.
  • the tray used in the existing X-ray screening stand was enough to not be affected by the x-ray image of the belongings contained in the tray. Has come.
  • a technique commonly used to determine whether an object passing through an X-ray search zone is an explosive substance is calculated by using a dual energy X-ray technique to calculate the X-ray attenuation rate during low energy projection and high energy projection, and the calculated Z eff It is a technology to determine whether or not an explosive substance. At this time, if the tray overlaps the subject and disturbs the dual energy X-ray analysis, an error in detecting the explosives will occur.
  • an X-ray search station requiring security such as an airport, works in pairs with search agents and unpacking agents. Subjects suspected of observing the image of the tray passing through the X-ray search station If a discovery agent is found, the searching agent sends a predetermined signal to the opening agent so that the opening agent opens the bag containing the subject and searches.
  • the system software analyzes the X-ray image to determine whether the subject is a dangerous object from the X-ray image, and generates an alarm.
  • ATD automatic threat detection
  • an X-ray search agent judges that a dangerous object is a result of visual inspection of an X-ray image, or when the security search system determines that the object is dangerous from an X-ray image by software, an opening agent waiting for an instruction to open a bag containing a suspect object. It is necessary to introduce the technology in secret, that is, while protecting the privacy of the passenger.
  • the tray for the x-ray searching stand has a basket shape with an open top, and is composed of a front side portion, a rear side portion, a left side portion, a right side portion, and a bottom side portion, and each upper end of each side portion has a predetermined width from the inside.
  • a front side border portion, a rear side edge portion, a left side edge portion, and a right side edge portion which are bent to protrude outward are connected to each other to form a curved surface.
  • the corner portions where the respective edge portions meet each other are manufactured to have a circular shape having a predetermined radius of curvature to form an anchor arm, and the automation equipment forms the anchor arms at each corner portion of the tray. Hold it so it can be pulled up and down or transported.
  • the front side border portion and the rear side edge portion of the tray for the X-ray screen according to the present invention are manufactured in a bow shape having a predetermined radius of curvature so that the center portion has a shape that is slightly more advanced than both ends, and the bottom surface of the tray is moved.
  • a groove is formed parallel to the direction so that automatic horizontal alignment can be made when entering the X-ray entrance.
  • X-ray search substitutes the tray is fabricated of a material having a Z eff value is outside the value range of the value of Z eff known from color mapping curve with explosives material showing the relationship between the density and Z eff.
  • the tray according to the present invention includes a notification indicator, and when the security check system determines that the subject is a dangerous object by software from the X-ray image, or a security agent who reads the X-ray image through the monitor, the subject. If it is determined that the dangerous object and transmits a signal, the notification marker portion of the tray on which the subject is mounted, characterized in that visually or acoustically notify the danger warning signal indicating that the opening search is required.
  • the error in the shape reading for reading the shape of the subject passing through the security checkpoint and the material reading regarding whether the object is explosive, the error can be prevented from being generated by the tray.
  • the search stand system when the subject passing through the X-ray search stand is determined to be a dangerous object, the search stand system sends a predetermined signal and the identification mark of the tray containing the subject needs to open and search the subject contained in the tray. A signal is sent to the agent.
  • FIG. 1A and 1B show a preferred embodiment of an x-ray security check tray according to the present invention.
  • Figure 2a and Figure 2b is a top and rear photo showing an embodiment of the production of a carbon material x-ray security check tray according to the present invention.
  • X-ray security check tray is characterized in that the Z eff (Effective Atomic Number) value is made of a material sufficiently out of the explosive Z eff value numerical range.
  • an ultralight material may be used, and synthetic resins such as carbon, paper, and nylon may be used.
  • synthetic resins such as carbon, paper, and nylon
  • the atomic number cannot be expressed as a single value, but the Z eff (effective atom number) of the material may be expressed through the following formula.
  • Z k is the number of atoms constituting the compound
  • Pk is the ratio of the atoms contained in the compound
  • N is the number of kinds of atoms constituting the compound.
  • Dual energy X-ray technology uses a low-energy image and a high-energy image to obtain a Z eff value. That is, Z eff is calculated by using the difference of the image when X-ray is irradiated on the same object with two energy bands.
  • Has acquired Z eff performs color mapping.
  • Tables 1 and 2 below Z eff , the corresponding substances, and the color mapping results are shown in a chart.
  • the Z eff value of carbon is about 6 and the density (Density) is located between 1 and 2 depending on the manufacturing material and the method, in the present invention Density (unity) is 1 (unity) It is desirable to adopt a manufacturing method close to the.
  • Z eff value in the case of nylon, can be manufactured using a material having a density close to 1 at about 6, and in paper, the Z eff value at about 8.2 density. (Density) It is preferable to manufacture in the range of 0.6-1.
  • FIG. 1A and 1B show a preferred embodiment of an X-ray security check tray according to the present invention.
  • Figure 2a and Figure 2b is a top and back pictures showing an embodiment of the carbon material produced by the X-ray security check tray according to the present invention.
  • the tray for X-ray security check has a basket shape of a rectangular parallelepiped shape of which the top is open, and the front side portion 10, the rear side portion 20, and the left side are advanced on the conveyor. It is comprised from the surface part 30, the right surface part 40, and the bottom surface part 50. As shown in FIG.
  • the side portions 10, 20, 30, and 40 of the tray for X-ray security check according to the present invention have a tray side inclination that minimizes overlap at an incident angle in one or two directions.
  • the inclination does not exceed three times the basic thickness of the tray, and in this case, the X-ray incidence angle is preferably designed not to exceed 70 degrees.
  • upper ends of the front side portion 10, the rear side portion 20, the left side portion 30, and the right side portion 40, which constitute the tray for the X-ray security check base according to the present invention, are respectively predetermined.
  • edge portions 10a, 20a, 30a, and 40a that are bent to protrude from the inside to the outside by the width of.
  • the edge portions 10a, 20a, 30a, and 40a may serve as handles for picking up the tray.
  • the front side edge portion 10a and the rear side edge portion 20a and the right side surface which are bent and protruded at the upper ends of the front side portion 10, the rear side portion 20, the left side portion 30, and the right side portion 40, respectively.
  • the edge portion 40a and the left side edge portion 30a are connected to each other to form one plane.
  • the width of the front side border 10a and the rear side border 20a is W 1
  • the width of the right side border 40a and the left side border 30a is W 2. (W 1 ⁇ W 2 ).
  • Corner portions where each of the edge portions 10a, 20a, 30a, and 40a meet each other may be formed to have a circular shape having a predetermined radius of curvature instead of an orthogonal shape to form an anchor arm. Can be.
  • the automation equipment can catch the anchor arm of each corner portion of the tray so that it can be pulled up and down or transferred.
  • the central portion has a shape that is slightly advanced than both ends. That is, it can be manufactured in the shape of a bow having a predetermined radius of curvature (radius of curvature). This makes it easier to push the curtains in as the tray enters the X-ray screen tunnel.
  • the bottom surface 50 constituting the tray for the X-ray security check according to the present invention preferably forms a groove so as to be parallel to the conveyor travel direction.
  • a groove in the bottom surface it prevents the angle of the tray facing sideways during conveyor conveyance. That is, according to the preferred embodiment of the present invention, the grooves made on the bottom surface may be automatically horizontally aligned when entering the X-ray search stand.
  • the tray for X-ray security check is characterized by attaching the X-ray recognition barcode 100 to any one of the front side border portion 10a and the rear side border portion 20a.
  • the bar code should be recognizable by X-ray, so it is preferable to make the material with an impermeable material.
  • the barcode serves as a reference for identifying the relative positions of several objects in the tray.
  • the barcode may overlap with the subject image and cause an image error.
  • a label including a bar code of a form that is easy to recognize and suitable for human recognition by the automation device on the front side or the rear side that does not overlap the image.
  • X-ray opaque lines may be manufactured at the ends of the front side border portion 10a and the rear side border portion 20a for image automatic analysis. It is possible to provide tray size information so that the beginning and end of the tray can be recognized for automatic image reading, and the density can be calculated to detect explosives.
  • the front side border 10a or the rear side border 20a may be provided with a standard material phantom capable of self-assessing an explosive search error.
  • a standard material phantom capable of self-assessing an explosive search error in the front side border portion 10a or the rear side border portion 20a of the tray can always be checked whether there is no error in the calculation of Z eff for the standard substance.
  • the tray according to a preferred embodiment of the present invention is preferably in one-way or two-way communication with the security checkpoint system. If the X-ray scan of the security check result determines that the subject image pattern is a dangerous object, the security check system may transmit a signal indicating that the dangerous object is mounted in the tray containing the subject.
  • the step of determining the dangerous object may be performed by the security checkpoint system in software or may be determined visually by the searcher.
  • the security checkpoint system may transmit a signal to the tray by a wireless RF communication method, or may transmit a warning signal mounted on a dangerous object through a barcode, an RF ID, a BLUETOOTH or NFC proximity communication.
  • the notification display unit When the tray according to the present invention receives a warning signal mounted with a dangerous object, the notification display unit, for example, blinks an LED lamp to visually display or make a sound to open the subject to the audible waiter to inform the user that the precise search is necessary. do.
  • inventive concepts and embodiments disclosed herein may be used by those skilled in the art as a basis for modifying or designing other structures for carrying out the same purposes of the present invention.
  • modifications or altered equivalent structures by those skilled in the art may be variously evolved, substituted and changed without departing from the spirit or scope of the invention described in the claims.
  • the invention prevents the misrecognized of shape due to density measurement error in X-ray image in advance, in the following calculation the explosives Z eff in dual energy method can eliminate an error caused by tray.
  • the present invention can monitor the tray by attaching a barcode to a specific position of the tray, and at the same time, it is possible to match the subject contained in the tray with the X-ray image one-to-one.
  • the present invention has a function to calculate the tray area and to be recognized and transported by the automated equipment can be incorporated in the airport standardization technology in the future.
  • the search stand system when the subject passing through the X-ray search stand is determined to be a dangerous object, the search stand system sends a predetermined signal and the identification mark of the tray containing the subject needs to open and search the subject contained in the tray. A signal is sent to the agent.

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  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Radiology & Medical Imaging (AREA)
  • Toxicology (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

La présente invention concerne la forme et le matériau d'un plateau qui passe à travers un point de contrôle par rayons X. La présente invention concerne un plateau qui a une forme de panier avec une partie supérieure ouverte, est constitué d'un matériau qui peut éviter une valeur de composant de matériaux à vérifier, et comprend un bras d'ancrage de telle sorte que le plateau peut être maintenu pour être tiré vers le bas ou transporté par un équipement automatisé, et est configuré pour être automatiquement aligné horizontalement lors du passage dans l'entrée d'un point de contrôle par rayons X. De plus, le plateau selon la présente invention est équipé d'une unité de notification d'alerte sur des articles dangereux ; par conséquent, lorsqu'un système de point de contrôle de sécurité détermine un objet comme étant un article dangereux et transmet un signal d'alerte, en raison de l'émission d'un signal d'alerte suite au chargement d'un article dangereux, un agent de sécurité peut ouvrir l'objet et l'inspecter directement.
PCT/KR2017/010000 2016-11-02 2017-09-12 Plateau pour point de contrôle de sécurité par rayons x WO2018084420A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020177025747A KR20180061083A (ko) 2016-11-02 2017-09-12 엑스레이 보안검색대용 트레이

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0145425 2016-11-02
KR20160145425 2016-11-02

Publications (1)

Publication Number Publication Date
WO2018084420A1 true WO2018084420A1 (fr) 2018-05-11

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PCT/KR2017/010000 WO2018084420A1 (fr) 2016-11-02 2017-09-12 Plateau pour point de contrôle de sécurité par rayons x

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KR (1) KR20180061083A (fr)
WO (1) WO2018084420A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109725011A (zh) * 2018-02-24 2019-05-07 北京首都机场航空安保有限公司 行李安检装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070012702A1 (en) * 2005-02-25 2007-01-18 United Air Lines, Inc. Apparatus for displaying an advertisement in a security x-ray bin
US20070132580A1 (en) * 2002-07-03 2007-06-14 Ambrefe Joseph T Jr Trays for use in security screening
US20100027741A1 (en) * 2006-10-02 2010-02-04 Aidan Doyle Tray for assessing the threat status of an article at a security check point
US20120066158A1 (en) * 2009-05-26 2012-03-15 Siemens Aktiengesellschaft Theft protection during the security check of carry-on luggage
KR20140026412A (ko) * 2011-03-15 2014-03-05 스틸헤드 세큐리티 아이엔씨. 보안 검색 방법 및 이를 위한 보안 트레이

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070132580A1 (en) * 2002-07-03 2007-06-14 Ambrefe Joseph T Jr Trays for use in security screening
US20070012702A1 (en) * 2005-02-25 2007-01-18 United Air Lines, Inc. Apparatus for displaying an advertisement in a security x-ray bin
US20100027741A1 (en) * 2006-10-02 2010-02-04 Aidan Doyle Tray for assessing the threat status of an article at a security check point
US20120066158A1 (en) * 2009-05-26 2012-03-15 Siemens Aktiengesellschaft Theft protection during the security check of carry-on luggage
KR20140026412A (ko) * 2011-03-15 2014-03-05 스틸헤드 세큐리티 아이엔씨. 보안 검색 방법 및 이를 위한 보안 트레이

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109725011A (zh) * 2018-02-24 2019-05-07 北京首都机场航空安保有限公司 行李安检装置

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