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WO2018084420A1 - Tray for x-ray security check point - Google Patents

Tray for x-ray security check point 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
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/KR2017/010000
Other languages
French (fr)
Korean (ko)
Inventor
최광윤
장태효
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.)
Gemss Medical Systems Co ltd
Original Assignee
Gemss Medical Systems Co ltd
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 Gemss Medical Systems Co ltd filed Critical Gemss Medical Systems Co ltd
Priority to KR1020177025747A priority Critical patent/KR20180061083A/en
Publication of WO2018084420A1 publication Critical patent/WO2018084420A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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—Rigid or semi-rigid 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 or 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)
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  • General Health & Medical Sciences (AREA)
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Abstract

The present invention provides the shape and the material of a tray that passes through an X-ray check point. The present invention provides a tray that has a basket shape with an open top, is made of a material that can avoid a component value of materials to be checked, and comprises an anchor arm so that the tray can be held by to be pulled down or transported by automated equipment, and is configured to be automatically aligned horizontally when entering an entrance of an X-ray check point. In addition, the tray according to the present invention is equipped with a dangerous article alert notification unit; therefore, when a security check point system determines an object as a dangerous article and transmits an alert signal, due to the issuance of a dangerous article loading alert signal, a security agent may open and directly inspect the object.

Description

엑스레이 보안검색대용 트레이X-ray Security Check Tray

본 발명은 엑스레이 보안검색대용 트레이에 관한 것으로서, 특히 폭발물 검색을 위한 트레이에 관한 것이다. 또한, 본 발명은 엑스레이 보안검색 시스템이 위험물을 감지한 경우 개봉요원에게 해당 위험물이 담긴 트레이를 알려줄 수 있는 트레이에 관한 것이다.The present invention relates to a tray for x-ray security check, in particular to a tray for explosives detection. In addition, 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.

공항, 항만과 같이 최고의 안전이 요구되는 공공시설에는 엑스레이 검색대가 설치되어 있다. 통상적으로 엑스레이 검색대를 지나기 위해서는, 휴대하고 있던 소지품들을 꺼내 내어놓고 소지품들을 바구니(TRAY; 트레이)에 넣고, 바구니를 컨베이어(CONVEYER)에 올려놓아 엑스레이 검색대를 통과하도록 함으로써 소지품들을 투시하여 위험물이 있는지 여부를 판독 검사하는 방식이 사용되고 있다.Public facilities such as airports and harbors require X-ray inspection stations. In general, to pass an X-ray scanner, you can take out your belongings and put them in a tray (TRAY), put the basket on a conveyor (CONVEYER) and pass them through the X-ray scanner to see the belongings. A method of reading and checking whether or not is being used.

따라서 기존의 엑스레이 검색대에서 사용하던 트레이의 경우, 트레이로 인해서 트레이에 담긴 소지품을 투시한 엑스레이 영상이 영향을 받지 않을 정도이면 족하였기 때문에, 일반인들의 생활에서 사용하는 트레이, 즉 비닐 바구니 같은 것들을 사용하여 왔다. Therefore, 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.

그런데 최근 들어 날로 증가하는 테러로부터 공공의 안전을 지키기 위해서, 나이프 또는 권총과 같은 살상무기를 엑스레이 영상으로부터 형상판독을 통해 찾아내는 것뿐 아니라, 소지품의 재질특성판독을 통해 폭발물질인지 여부를 판단하는 수준의 엑스레이 보안검색이 요구되고 있다.However, in order to protect the public safety from the increasing terrorism in recent years, not only the detection of killing weapons such as knives or pistols through the shape reading from the X-ray image, but also the level of judging whether the belongings are explosive materials X-ray security screening is required.

이와 같이 트레이에 담겨서 엑스레이 보안검색대를 통과하는 소지품을 판독하는데 있어서, 트레이의 형상이 나타나거나 또는 소지품 물질판독에 교란을 주는 경우, 소지품의 형상과 재질을 엑스레이 판독하는데 영향을 주는 것이 바람직하지 않다.As such, when reading the belongings in the tray and passing through the X-ray security check, if the shape of the tray appears or disturbs the reading of the belongings, it is not desirable to influence the shape and material of the belongings in the X-ray reading. .

즉, 엑스레이 검색대를 통과하는 피사체가 폭발물질인지 여부를 판단하기 위해 흔히 사용되는 기술은, 듀얼 에너지 엑스레이 기법을 이용해서 저에너지 투사시와 고에너지 투사시의 엑스레이 감쇄율을 계산하고, 계산된 Zeff로부터 폭발물질인지 여부를 판단하는 기술이다. 이때에 트레이가 피사체에 중첩되어 듀얼 에너지 엑스레이 분석을 교란할 경우 폭발물 감지에 오류를 발생하게 된다. In other words, 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.

또한, 공항과 같은 보안(security)이 요구되는 엑스레이 검색대에는 검색 요원과 개봉 요원이 함께 쌍을 이루어서 근무를 하게 되는데, 검색 요원이 엑스레이 검색대를 통과하는 트레이의 영상을 관찰하다가 의심이 되는 피사체를 발견하게 되면, 검색 요원은 개봉 요원에게 소정의 신호를 보내어서 개봉 요원이 해당 피사체가 담긴 가방을 개봉해서 수색을 하도록 한다. In addition, 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.

또한 ATD( automatic threat detection ) 시스템을 갖춘 엑스레이 검색대의 경우에는, 시스템 소프트웨어적으로 엑스레이 영상을 분석하여서 엑스레이 영상으로부터 해당 피사체가 위험물인지 여부를 시스템 소프트웨어가 판단하여 경고(alarm )을 울리게 된다. In addition, in the case of an X-ray detection unit equipped with an automatic threat detection (ATD) system, 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.

본 발명은 엑스레이 검색요원이 엑스레이 영상을 육안으로 살핀 결과 위험물이라 판단한 경우, 또는 보안 검색 시스템이 소프트웨어적으로 엑스레이 영상으로부터 위험물이라 판단한 경우, 의심되는 물건이 담긴 가방을 개봉하라는 명령을 대기 중인 개봉 요원에게 은밀하게, 즉 해당 승객의 프라이버시를 보호하면서, 진행하는 기술의 도입이 필요하다.According to the present invention, when 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.

본 발명의 제1 목적은 보안검색대를 통과하는 피사체의 형상판독과 물질판독을 교란시키지 아니하는 트레이를 제공하는 데 있다.It is a first object of the present invention to provide a tray which does not disturb shape reading and material reading of a subject passing through a security checkpoint.

본 발명의 제2 목적은 보안검색대를 통과하는 피사체에 대하여 위험물체로 의심되는 경우, 어떤 트레이가 해당 피사체를 담은 트레이인지를 보안검색대의 개봉 요원에게 은밀하게 알리는 기술을 제공하는 데 있다.It is a second object of the present invention to provide a technique for secretly informing an opening agent of a security check desk of a tray containing a subject when it is suspected that the object passes through the security checkpoint.

본 발명에 따른 엑스레이 검색대용 트레이는, 상부가 개방된 바구니 형상을 지니고 있으며, 전방측면부, 후방측면부, 좌측면부, 우측면부, 바닥면부로 구성되고, 각 측면부의 상단은 각각 소정의 폭만큼 내측에서 외측으로 돌출하도록 절곡된 전방측면테두리부, 후방측면테두리부, 좌측면테두리부, 우측면테두리부를 구비하되 서로 하나로 연결되어 일 곡면을 구성한다.The tray for the x-ray searching stand according to the present invention 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.

또한, 본 발명에 따른 엑스레이 검색대용 트레이는, 각각의 테두리부가 서로 만나는 코너 부위는 소정의 곡률반경을 갖는 원형 형상을 하도록 제작함으로써 앵커 암을 형성하고, 자동화설비가 트레이 각 코너 부위의 앵커 암을 붙잡아 상하로 끌어내리거나 이송할 수 있도록 한다.In addition, in the tray for the X-ray retrieval stand according to the present invention, 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.

본 발명에 따른 엑스레이 검색대용 트레이의 전방측면테두리부와 후방측면테두리부는, 중앙부위가 양단보다 약간 전진한 형상을 지니도록, 즉 소정의 곡률반경을 갖는 활 모양으로 제작하고, 바닥면은 컨베이어 진행 방향에 평행하도록 홈을 형성하여 엑스레이 검색대 투입구 진입시 자동 수평정렬이 될 수 있도록 한다.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.

본 발명에 따른 엑스레이 검색대용 트레이는 Zeff 와 밀도 사이의 관계를 나타내는 컬러매핑 커브에서 폭발물로 알려진 물질의 Zeff 값의 수치범위를 벗어나는 Zeff 값을 갖는 물질로 제작한다. X-ray search according to the present invention 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.

본 발명에 따른 트레이는 알림 표지부를 구비하고, 엑스레이 영상으로부터 보안검색대 시스템이 소프트웨어적으로 해당 피사체가 위험물이라 판단하여 신호를 전송한 경우, 또는 엑스레이 영상을 모니터를 통해 판독한 보안 요원이 해당 피사체를 위험물체로 판단하고 신호를 전송한 경우, 해당 피사체를 탑재한 트레이의 알림 표지부는 개봉검색이 필요함을 알리는 위험 경고 신호를 시각적으로 또는 청각적으로 알리는 것을 특징으로 한다. 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.

본 발명은 보안검색대를 통과하는 피사체의 형상을 판독하는 형상판독과, 폭발물인지 여부에 관한 물질판독에서, 트레이에 의하여 오류가 발생하는 것을 방지할 수 있다. According to the present invention, 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.

본 발명은 엑스레이 검색대를 통과하는 피사체가 위험물체로 판단될 경우 검색대 시스템은 소정의 신호를 보내게 되고 해당 피사체를 담고 있는 트레이의 식별표지는 해당 트레이에 담긴 피사체를 개봉하여 검색하는 것이 필요함을 알리는 신호를 요원에게 보내게 된다. According to the present invention, 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.

도1a 및 도1b는 본 발명에 따른 엑스레이 보안검색대용 트레이의 양호한 실시예를 나타낸 도면. 1A and 1B show a preferred embodiment of an x-ray security check tray according to the present invention.

도2a 및 도2b는 본 발명에 따른 엑스레이 보안검색대용 트레이를 카본 소재로 제작한 실시예를 나타낸 윗면 및 뒷면 사진.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.

이하, 첨부도면 도1 및 도2를 참조해서 본 발명에 따른 엑스레이 보안검색대용 트레이를 상세히 설명한다. Hereinafter, an X-ray security check tray tray according to the present invention will be described in detail with reference to FIGS. 1 and 2.

본 발명에 따른 엑스레이 보안검색대용 트레이는 Zeff (Effective Atomic Number) 값이 폭발물의 Zeff 값 수치범위를 충분히 벗어나는 물질로 제작하는 것을 특징으로 한다. X-ray security check tray according to the present invention 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.

본 발명의 양호한 실시예로서, 초경량소재가 사용될 수 있으며, 카본(carbon) 또는 종이, 나일론 등의 합성수지가 사용될 수 있다. 본 발명에 따른 트레이를 제작하기 위한 소재로서, 엑스레이에 대해 높은 투과율을 가지는 소재를 사용하는 것이 바람직하다. As a preferred embodiment of the present invention, an ultralight material may be used, and synthetic resins such as carbon, paper, and nylon may be used. As a material for manufacturing the tray according to the present invention, it is preferable to use a material having a high transmittance for X-rays.

일반적으로 단일원소 물질이 아닌 혼합물 또는 화합물의 경우, 원자번호를 하나의 값으로 나타낼 수 없지만 아래의 수식을 통하여 해당 물질의 Zeff (유효원자번호)를 표현할 수 있다. In general, in the case of a mixture or compound that is not a single element material, 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.

Figure PCTKR2017010000-appb-M000001
Figure PCTKR2017010000-appb-M000001

여기서 Zk 는 화합물을 구성하는 원자수, Pk는 화합물에서 그 원자가 포함되어 있는 비율, N은 화합물을 구성하는 원자의 종류의 수이다. 듀얼 에너지(Dual Energy) 엑스레이 기술이란, 저에너지 영상(Low-energy image)과 고에너지 영상(High-energy image)를 이용하여 Zeff 값을 획득한다. 즉, 두 가지 에너지 대역을 가지고 동일한 물체에 엑스레이를 조사하였을 때 나오는 이미지의 차이를 이용하여 Zeff 값을 계산하는 것이다. 획득한 Zeff 을 가지고 color mapping 을 수행한다. 아래의 표1 및 표2에는 Zeff 와 해당물질, 컬러매핑 결과를 도표로 나타내었다. Z k is the number of atoms constituting the compound, Pk is the ratio of the atoms contained in the compound, and 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. In Tables 1 and 2 below, Z eff , the corresponding substances, and the color mapping results are shown in a chart.

Figure PCTKR2017010000-appb-T000001
Figure PCTKR2017010000-appb-T000001

Figure PCTKR2017010000-appb-T000002
Figure PCTKR2017010000-appb-T000002

본 발명의 양호한 실시예로서 카본의 Zeff 값이 6 내외에 위치하고, 밀도(Density)는 제조소재와 공법에 따라 1 ~ 2 사이에 위치하게 되며, 본 발명에서는 밀도(Density)가 1(unity)에 근접한 제조법을 채택하는 것이 바람직하다.As a preferred embodiment of the present invention, 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.

본 발명의 또 다른 실시예로서, Nylon의 경우 Zeff 값을 6 내외에서 밀도(Density)가 1에 근접한 소재를 사용하여 제조할 수 있으며, 종이(Paper)의 경우 Zeff 값을 8.2 내외에서 밀도(Density) 0.6 ~ 1 범위에서 제조하는 것이 바람직하다.As another embodiment of the present invention, in the case of nylon, Z eff value 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.

도1a 및 도1b는 본 발명에 따른 엑스레이 보안검색대용 트레이의 양호한 실시예를 나타낸 도면이다. 도2a 및 도2b는 본 발명에 따른 엑스레이 보안검색대용 트레이를 카본 소재로 제작한 실시예를 나타낸 윗면 및 뒷면 사진이다.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.

도1 및 도2를 참조하면, 본 발명에 따른 엑스레이 보안검색대용 트레이는 상부가 개방된 직육면체 형상의 바구니 형태를 가지고 있으며, 컨베이어 위에 놓여 전진하는 전방측면부(10), 후방측면부(20), 좌측면부(30), 우측면부(40), 바닥면부(50)로 구성되어 있다. 1 and 2, the tray for X-ray security check according to the present invention 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.

여기서, 단방향 또는 양방향 엑스레이검색대 입사각에서 영상밀도의 중첩을 최소화함으로써 영상 오인식을 회피하는 설계가 필요하다. Here, there is a need for a design that avoids image misrecognition by minimizing the superposition of image densities at the incidence angles of unidirectional or bidirectional X-ray search.

즉, 엑스레이가 트레이의 좌우 일 측면부(30, 40)과 평행한 각도로 입사되는 경우 해당 측면의 두께를 마치 두꺼운 것으로 인식하는 효과가 나타나서, 엑스레이 영상에 라인이 발생하는 오류를 야기한다. 즉, 측면부(30, 40)를 따라 엑스레이가 사선으로 입사하면 해당 면의 두께가 두꺼운 것으로 오인식하고, 매질의 밀도가 높아지는 효과가 발생하므로, 트레이를 구성하는 측면부(30, 40)의 경사각을 엑스레이 입사각과 동일하지 않도록 설계하는 것이 필요하다. That is, when the X-ray is incident at an angle parallel to the left and right side portions 30 and 40 of the tray, the effect of recognizing the thickness of the side surface as if it is thick, causing an error that a line occurs in the X-ray image. That is, when X-rays are incident diagonally along the side parts 30 and 40, the thickness of the corresponding surface is erroneously recognized as being thick and the density of the medium is increased. Thus, the inclination angles of the side parts 30 and 40 constituting the tray are x-rayed. It is necessary to design not to be equal to the angle of incidence.

도1 및 도2를 참조하면, 본 발명에 따른 엑스레이 보안검색대용 트레이의 측면부(10, 20, 30, 40)는, 단방향 또는 양방향의 입사각에서의 중첩을 최소화한 트레이 측면 기울기를 갖도록 한다. 본 발명의 양호한 실시예로서, 기울기는 트레이의 기본두께의 3배를 초과하지 않도록 하며, 이 경우 엑스레이 입사각이 70도를 넘지 않도록 설계하는 것이 바람직하다.1 and 2, 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. As a preferred embodiment of the present invention, it is preferable that 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.

다시 도1 및 도2를 참조하면, 본 발명에 따른 엑스레이 보안검색대용 트레이를 구성하는 전방측면부(10), 후방측면부(20), 좌측면부(30), 우측면부(40)의 상단은 각각 소정의 폭만큼 내측에서 외측으로 돌출하도록 절곡된 테두리부(10a, 20a, 30a, 40a)를 구비한다. 테두리부(10a, 20a, 30a, 40a)는 트레이를 집어들기 위한 손잡이 역할을 할 수 있다. 1 and 2, 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. And 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.

전방측면부(10), 후방측면부(20), 좌측면부(30), 우측면부(40)의 상단에 각각 소정의 절곡되어 돌출 형성된 전방측면테두리부(10a)와 후방측면테두리부(20a), 우측면테두리부(40a), 좌측면테두리부(30a)는 서로 연결되어 일 평면을 구성한다. 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.

본 발명의 양호한 실시예로서, 전방측면테두리부(10a)와 후방측면테두리부(20a)의 폭은 W1으로 하고, 우측면테두리부(40a), 좌측면테두리부(30a)의 폭은 W2( W1 ≥ W2 )로 할 수 있다. In a preferred embodiment of the present invention, the width of the front side border 10a and the rear side border 20a is W 1 , and the width of the right side border 40a and the left side border 30a is W 2. (W 1 ≥ W 2 ).

각각의 테두리부(10a, 20a, 30a, 40a)가 서로 만나는 코너 부위는, 직교형상 대신에 소정의 곡률반경(radius of curvature)을 갖는 원형 형상을 하도록 제작함으로써 앵커 암(anchor arm)을 형성할 수 있다. 또한, 코너 부위의 폭을 충분히 크게 함으로써 자동화설비가 트레이 각 코너 부위의 앵커 암을 붙잡아 상하로 끌어내리거나 이송할 수 있도록 한다.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. In addition, by making the width of the corner portion sufficiently large, 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.

다시 도1 및 도2를 참조하면, 본 발명에 따른 엑스레이 보안검색대용 트레이를 구성하는 전방측면테두리부(10a)와 후방측면테두리부(20a)는, 중앙부위가 양단보다 약간 전진한 형상을 지니도록, 즉 소정의 곡률반경(radius of curvature)을 갖는 활 모양으로 제작할 수 있다. 이렇게 함으로써, 트레이가 엑스레이 검색대 터널 속으로 들어갈 때에 커튼을 밀치고 쉽게 들어갈 수 있게 된다. Referring back to Figures 1 and 2, the front edge 10a and the rear side border 20a constituting the tray for the X-ray security check according to the present invention, 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.

또한, 본 발명에 따른 엑스레이 보안검색대용 트레이를 구성하는 바닥면(50)은 컨베이어 진행 방향에 평행하도록 홈을 형성하는 것이 바람직하다. 바닥면에 홈을 형성함으로써 컨베이어 이송 중 트레이가 향하는 각도가 옆으로 틀어지는 것을 방지한다. 즉, 본 발명의 양호한 실시예에 따라 바닥면에 제작된 홈은 엑스레이 검색대 투입구 진입시 자동 수평정렬이 될 수 있도록 한다.In addition, 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. By forming 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.

본 발명에 따른 엑스레이 보안검색대용 트레이는, 전방측면테두리부(10a)와 후방측면테두리부(20a) 중 어느 하나에 엑스레이 인식 바코드(100)를 부착하는 것을 특징으로 한다. 여기서, 바코드는 엑스레이로 인식 가능하여야 하므로 불투과성 소재로 제작하는 것이 바람직하며, 어느 한쪽에만 부착함으로써 트레이에 담긴 여러 개의 피사체의 상대적 위치를 파악하는데 레퍼런스 역할을 한다. 본 발명의 양호한 실시예로서, 측면부에 바코드를 부착할 경우 피사체 영상과 중첩이 되어 영상 오류를 유발할 수 있으므로 바코드는 좌우측면 테두리부에는 부착하지 않는 것이 바람직하다. The tray for X-ray security check according to the present invention 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. In this case, the bar code should be recognizable by X-ray, so it is preferable to make the material with an impermeable material. By attaching only one of the barcodes, the barcode serves as a reference for identifying the relative positions of several objects in the tray. In a preferred embodiment of the present invention, when the barcode is attached to the side part, the barcode may overlap with the subject image and cause an image error.

즉, 영상에 중첩되지 않는 전방측면부 또는 후면측면부에 자동화기기가 인식용이하고 사람이 인식하기 적합한 형태의 바코드를 포함한 라벨을 부착하는 것이 바람직하다. 이렇게 일 부위에만 부착함으로써, 엑스레이 검색대 요원이 실제 피사체와 엑스레이 영상을 일대일 매칭 하기 쉽도록 한다. That is, it is preferable to attach 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. By attaching only to one part in this way, it is easy for the X-ray screening agent to match the real object and the X-ray image one-to-one.

본 발명의 또 다른 실시예로서, 전방측면테두리부(10a)와 후방측면테두리부(20a) 끝단에는 영상 자동분석을 위하여 엑스레이 불투과성 라인을 제작할 수 있다. 영상 자동판독을 위해서 트레이의 시작과 끝을 인식할 수 있도록 하고, 폭발물 탐지할 수 있도록 밀도계산을 할 수 있도록 하게 하기 위해서 트레이의 사이즈 정보를 제공할 수 있도록 한다. As another embodiment of the present invention, 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.

본 발명의 또 다른 실시예로서, 전방측면테두리부(10a) 또는 후면측면테두리부(20a)에 폭발물 검색오차를 자체평가할 수 있는 표준물질 팬텀을 내장하도록 할 수 있다. 듀얼 에너지 기술에 따라 폭발물을 오류 없이 찾아내기 위해서는 특정 폭발물에 대해 추출한 Zeff 값에 캘리브레이션(calibration) 오차가 개재하여서는 아니 된다. 본 발명은 트레이의 전방측면테두리부(10a) 또는 후면측면테두리부(20a)에 폭발물 검색오차를 자체평가할 수 있는 표준물질 팬텀을 내장함으로써, 표준물질에 대한 Zeff 산출에 오류가 없는지 항상 체크할 수 있는 특징이 있다. As another embodiment of the present invention, 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. In order to detect an explosive without error under dual energy technology, no calibration error should be included in the Z eff value extracted for a particular explosive. According to the present invention, 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. There are features that can be.

본 발명의 양호한 실시예에 따른 트레이는 보안검색대 시스템과 단방향 또는 쌍방향 통신을 하는 것이 바람직하다. 보안검색대의 엑스레이 스캔 결과 해당 피사체 영상 패턴이 위험물체로 판단되는 경우, 보안검색대 시스템은 해당 피사체를 담고 있는 트레이에 위험 물체를 탑재하고 있음을 알리는 신호를 전송할 수 있다.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.

여기서 위험물체로 판단하는 단계는 보안검색대 시스템이 소프트웨어적으로 수행할 수도 있고, 검색요원이 육안으로 판단할 수도 있다. 보안검색대 시스템은 해당 트레이에 무선 RF 통신 방식으로 신호를 전송할 수도 있고, 그 밖에 바코드, RF 아이디, 블루투스( BLUETOOTH ) 또는 NFC 근접통신 등의 방식으로 위험 물체 탑재 경고신호를 전송할 수 있다.Here, 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.

본 발명에 따른 트레이는 위험 물체 탑재 경고신호를 받으면 알림 표시부, 예를 들어 LED 램프를 깜빡거려 시각적으로 나타내거나 소리를 내어서 청각적으로대기 중인 개봉 요원에게 피사체를 개봉해서 정밀검색이 필요함을 알리게 된다. 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.

전술한 내용은 후술할 발명의 특허청구범위를 더욱 잘 이해할 수 있도록 본 발명의 특징과 기술적 장점을 다소 폭넓게 개선하였다. 본 발명의 특허청구범위를 구성하는 부가적인 특징과 장점들이 이하에서 상술 될 것이다. 개시된 본 발명의 개념과 특정 실시예는 본 발명과 유사 목적을 수행하기 위한 다른 구조의 설계나 수정의 기본으로서 즉시 사용될 수 있음이 당해 기술 분야의 숙련된 사람들에 의해 인식되어야 한다. The foregoing is a rather broad improvement of the features and technical advantages of the present invention to better understand the claims of the invention which will be described later. Additional features and advantages constituting the claims of the present invention will be described below. It should be appreciated by those skilled in the art that the conception and specific embodiments of the invention disclosed may be readily used as a basis for designing or modifying other structures for carrying out similar purposes to the invention.

또한, 본 발명에서 개시된 발명 개념과 실시예가 본 발명의 동일 목적을 수행하기 위하여 다른 구조로 수정하거나 설계하기 위한 기초로서 당해 기술 분야의 숙련된 사람들에 의해 사용될 수 있을 것이다. 또한, 당해 기술 분야의 숙련된 사람에 의한 그와 같은 수정 또는 변경된 등가 구조는 특허 청구 범위에서 기술한 발명의 사상이나 범위를 벗어나지 않는 한도 내에서 다양한 진화, 치환 및 변경이 가능하다. In addition, the 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. In addition, such 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.

본 발명은 엑스레이 영상에 있어서 밀도측정 오류로 인하여 형상의 오인식을 미연에 방지하며, 듀얼 에너지 기법으로 폭발물질 Zeff를 산출함에 있어 트레이에 의한 오류를 배제할 수 있다. 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.

본 발명은 트레이의 특정 위치에 바코드를 부착함으로써 해당 트레이를 모니터할 수 있음과 동시에, 트레이에 담긴 피사체를 엑스레이영상과 일대일로 매칭하는 것이 가능하다. 또한, 본 발명은 트레이 면적을 산출하고 자동화설비가 인식 및 이송할 수 있도록 하는 기능을 구비하고 있어 향후 공항검색대 표준화 기술에 접목될 수 있다.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. In addition, 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.

본 발명은 엑스레이 검색대를 통과하는 피사체가 위험물체로 판단될 경우 검색대 시스템은 소정의 신호를 보내게 되고 해당 피사체를 담고 있는 트레이의 식별표지는 해당 트레이에 담긴 피사체를 개봉하여 검색하는 것이 필요함을 알리는 신호를 요원에게 보내게 된다. According to the present invention, 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.

Claims (11)

컨베이어 위에 놓여 엑스레이 검색대를 통과하는 트레이에 있어서, 상기 트레이는 상부가 개방된 바구니 형상을 지니고 있으며, 전방측면부, 후방측면부, 좌측면부, 우측면부, 바닥면부로 구성되고, 각 측면부의 상단은 각각 소정의 폭만큼 내측에서 외측으로 돌출하도록 절곡된 전방측면테두리부, 후방측면테두리부, 좌측면테두리부, 우측면테두리부를 구비하되 서로 하나로 연결되어 일 곡면을 구성하고, In the tray which is placed on the conveyor and passes through the X-ray screen, the tray has a basket shape of which the upper part is open, and is composed of a front side part, a rear side part, a left side part, a right side part, and a bottom part, and an upper end of each side part, respectively. 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 from the inner side to the outer side by a predetermined width are provided and connected to each other to form a curved surface. 각각의 테두리부가 서로 만나는 코너 부위는 소정의 곡률반경을 갖는 원형 형상을 하도록 제작함으로써 앵커 암을 형성하고, 자동화설비가 트레이 각 코너 부위의 앵커 암을 붙잡아 상하로 끌어내리거나 이송할 수 있도록 하고, Corner areas where each edge meets each other to form a circular shape having a predetermined radius of curvature to form an anchor arm, and the automation equipment to hold the anchor arm of each corner of the tray to be pulled up and down or transported, 상기 전방측면테두리부와 후방측면테두리부는, 중앙부위가 양단보다 약간 전진한 형상을 지니도록, 즉 소정의 곡률반경을 갖는 활 모양으로 제작하고, 바닥면은 컨베이어 진행 방향에 평행하도록 홈을 형성하여 엑스레이 검색대 투입구 진입시 자동 수평정렬이 될 수 있도록 한 것을 특징으로 하는 트레이.The front side border portion and the rear side edge portion are manufactured in the shape of a bow 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 forms a groove so as to be parallel to the conveyor traveling direction. The tray characterized in that the automatic horizontal alignment when entering the x-ray scanning slot. 제1항에 있어서, 상기 트레이는 Zeff 와 밀도 사이의 관계를 나타내는 컬러매핑 커브에서 폭발물로 알려진 물질의 Zeff 값의 수치범위를 벗어나는 Zeff 값을 갖는 물질로 제작됨을 특징으로 하는 트레이.The method of claim 1, wherein the tray is the tray, characterized in that the production of a material having a Z eff value is outside the value range of the Z eff value of the known color mapping curve with explosives in material that shows the relationship between the density and Z eff. 제1항에 있어서, 상기 트레이는 Zeff 가 6 내외인 카본 또는 합성수지로 제작하되 1 ~ 2 의 밀도를 갖도록 제작함을 특징으로 하는 트레이.The tray according to claim 1, wherein the tray is made of carbon or synthetic resin having a Z eff of about 6 and a density of 1 to 2. 제1항에 있어서, 상기 트레이는 Zeff 가 8.2 내외인 종이로 제작하되 0.6 ~ 1 의 밀도를 갖도록 제작함을 특징으로 하는 트레이.The tray as claimed in claim 1, wherein the tray is made of paper having a Z eff of about 8.2 but has a density of 0.6 to 1. 제1항에 있어서, 상기 좌측면부 또는 우측면부의 측면 경사각은, 단방향 또는 양방향의 엑스레이 입사각과 중첩되지 않도록 제작됨을 특징으로 한 트레이.The tray according to claim 1, wherein the side inclination angle of the left side portion or the right side portion is manufactured so as not to overlap with the X-ray incident angle in one direction or in both directions. 제1항에 있어서, 상기 좌측면부 또는 우측면부의 측면 경사각은 엑스레이 입사각이 70도를 넘지 않도록 하고, 기본두께의 3배 두께가 넘지 않도록 한 트레이.The tray of claim 1, wherein the side inclination angle of the left side portion or the right side portion is such that the X-ray incidence angle does not exceed 70 degrees, and does not exceed three times the thickness of the basic thickness. 제1항에 있어서, 상기 트레이를 구성하는 바닥면에는 컨베이어 진행 방향에 평행하도록 홈이 형성된 것을 특징으로 하는 트레이.The tray according to claim 1, wherein a groove is formed on a bottom surface of the tray so as to be parallel to a conveyor traveling direction. 제1항에 있어서, 전방측면테두리부와 후방측면테두리부 중 어느 하나에 엑스레이 인식 코드를 부착하는 것을 특징으로 하는 트레이.The tray according to claim 1, wherein an X-ray recognition code is attached to one of the front side border and the rear side border. 제1항에 있어서, 전방측면테두리부와 후방측면테두리부 끝단에 엑스레이 불투과성 라인을 더 구비함을 특징으로 하는 트레이.The tray of claim 1, further comprising an X-ray impermeable line at the ends of the front side border and the rear side border. 제1항에 있어서, 전방측면테두리부 또는 후면측면테두리부에 표준물질 팬텀을 내장한 것을 특징으로 하는 트레이. The tray according to claim 1, wherein a standard material phantom is incorporated in the front side border portion or the rear side edge portion. 제1항에 있어서, 상기 트레이는 알림 표지부를 구비하고, 엑스레이 영상으로부터 보안검색대 시스템이 소프트웨어적으로 해당 피사체가 위험물이라 판단하여 신호를 전송한 경우, 또는 엑스레이 영상을 모니터를 통해 판독한 보안 요원이 해당 피사체를 위험물체로 판단하고 신호를 전송한 경우, 해당 피사체를 탑재한 트레이의 알림 표지부는 개봉검색이 필요함을 알리는 위험 경고 신호를 시각적으로 또는 청각적으로 알리는 것을 특징으로 하는 트레이. According to claim 1, wherein the tray is provided with a notification sign, and the security personnel from the X-ray image when the security software to determine that the subject is a dangerous object and transmits a signal, or the security personnel who read the X-ray image through the monitor If the subject is determined to be a dangerous object and a signal is transmitted, the notification indicator portion of the tray on which the subject is mounted may visually or acoustically notify a danger warning signal indicating that the opening search is required.
PCT/KR2017/010000 2016-11-02 2017-09-12 Tray for x-ray security check point Ceased WO2018084420A1 (en)

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