WO2009155736A1 - Portique de contrôle de sécurité de personnes permettant d’identifier la présence d’un narcotique, d’un explosif et d’un métal - Google Patents

Portique de contrôle de sécurité de personnes permettant d’identifier la présence d’un narcotique, d’un explosif et d’un métal Download PDF

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Publication number
WO2009155736A1
WO2009155736A1 PCT/CN2008/002055 CN2008002055W WO2009155736A1 WO 2009155736 A1 WO2009155736 A1 WO 2009155736A1 CN 2008002055 W CN2008002055 W CN 2008002055W WO 2009155736 A1 WO2009155736 A1 WO 2009155736A1
Authority
WO
WIPO (PCT)
Prior art keywords
metal
detection subsystem
drug
subsystem
detecting
Prior art date
Application number
PCT/CN2008/002055
Other languages
English (en)
Chinese (zh)
Inventor
胡海峰
陈志强
李元景
林津
张金宇
彭华
张清军
宋李卫
张仲夏
张阳天
殷晓体
Original Assignee
同方威视技术股份有限公司
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 同方威视技术股份有限公司 filed Critical 同方威视技术股份有限公司
Publication of WO2009155736A1 publication Critical patent/WO2009155736A1/fr

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Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N1/22—Devices for withdrawing samples in the gaseous state
    • G01N1/2202—Devices for withdrawing samples in the gaseous state involving separation of sample components during sampling
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N1/00—Sampling; Preparing specimens for investigation
    • G01N1/02—Devices for withdrawing samples
    • G01N2001/022—Devices for withdrawing samples sampling for security purposes, e.g. contraband, warfare agents
    • G01N2001/024—Devices for withdrawing samples sampling for security purposes, e.g. contraband, warfare agents passengers or luggage

Definitions

  • Pedestrian safety inspection door for detecting drugs, explosives and metals
  • the present invention relates to a security inspection door, and more particularly to a security inspection door capable of simultaneously inspecting metal dangerous goods and drugs/explosives. Background technique
  • IMS drug and explosives detection
  • Patent CN1834690 proposes a through-metal detection system, which improves the detection of uneven magnetic field distribution through the double-shot and double-receiver antenna and the corresponding circuit and software, and improves the ability to distinguish metal.
  • Patent CN1802675A (WO2004/097456) proposes a metal detector with a lightweight structure that allows it to operate with a battery or an AC source for a longer period of time by setting a heavy duty duty cycle and a pulsed mode of operation.
  • the present invention is directed to a safety inspection apparatus capable of simultaneously inspecting metal dangerous goods and drugs/explosives.
  • the invention provides a pedestrian safety inspection door for detecting drugs, explosives and metals, comprising a metal detection subsystem and a drug/explosives detection subsystem, wherein the metal detection subsystem is installed in series on the drug/explosive substance detection The subsystem, wherein the security inspection door is provided with an isolating device, wherein the metal detecting subsystem and the drug/explosives detecting subsystem are isolated from each other and do not interfere with each other.
  • the present invention combines a metal detection subsystem and a drug/explosive detection subsystem to form a new installation inspection door that enables simultaneous inspection of metal dangerous goods and drugs/explosives.
  • the present invention is also provided with an isolating device for isolating the metal detecting subsystem and the drug/explosive substance detecting subsystem from each other, thereby improving the reliability and accuracy of the detecting.
  • FIG. 1 is a perspective view showing the overall structure of a safety inspection door having a metal detecting subsystem and a drug/explosive detecting subsystem of the present invention
  • Figure 2 is a cross-sectional view of the drug/explosive detection subsystem of the security inspection door of the present invention
  • Figure 3 is a perspective view of one half of the drug/explosive detection subsystem of the security inspection door of the present invention
  • Figure 4 is a partial enlarged view of the nozzle arrangement layer A
  • Figure 5 is a partial enlarged view of the air knife viewed in the F direction;
  • Figure 6 is a top plan view of the security inspection door of the present invention having a metal detection subsystem and a drug/explosive detection subsystem. detailed description
  • Figure 1 is a perspective view showing the overall structure of a security inspection door having a metal detecting subsystem and a drug/explosive detecting subsystem of the present invention.
  • Figure 6 shows a top view of a security inspection door of the present invention having a metal detection subsystem and a drug/explosive detection subsystem.
  • the security inspection door includes a metal detection subsystem 31 and a drug/explosive detection subsystem 30, wherein the drug/explosive detection subsystem 30 is mounted in series on the inlet of the metal detection subsystem 31 to constitute A complete security check door.
  • the drug/explosive detection subsystem 30 is also mounted in series on the outlet of the metal detection subsystem 31.
  • an indicator light 25 is disposed at an upper portion of the entrance of the metal detecting subsystem 31, and the indicator light 25 is used to indicate the status of the pedestrian being inspected: in the middle of inspection (yellow light); idle (green light); alarm (red light).
  • a display as a user terminal is provided on the outer surface of the drug/explosive detection subsystem 30 for displaying the detection result.
  • the metal detecting subsystem 31 of the present invention is a detecting system for detecting a metallic material by emitting electromagnetic waves, which can be applied to any metal detecting system applicable in the prior art. Therefore, the description of the specific structure of the metal detecting subsystem 31 is omitted herein.
  • metal detection subsystem 31 and the drug/explosive detection subsystem 30 are adjacent to each other, many metal components (eg, metal casings, metal pipes, etc.) in the drug/explosive detection subsystem 30 will be metal detectors.
  • System 31 causes interference that severely affects the detection results of metal detection subsystem 31. Specifically, when the metal detecting subsystem 31 is in operation, the electromagnetic waves emitted by it are necessarily diffused onto the above-mentioned metal parts of the drug/explosive detection subsystem 30, and then returned to the metal detecting subsystem 31, thus causing metal detection. Subsystem 31 has a false positive.
  • the electromagnetic waves emitted by the electromagnetic interference sources also enter the metal detection subsystem 31. Interference is caused to the metal detection subsystem 31.
  • an absorbing material 21 is provided on the outer peripheral side of the metal detecting subsystem 31 (corresponding to one of the present invention)
  • the absorbing material 21 has an electromagnetic wave emitted by the absorbing metal detecting subsystem 31 and propagating to an external region and an electromagnetic wave or echo generated outside the metal detecting region to attenuate and prevent electromagnetic waves outside the metal detecting region. Or echo into the metal detection area.
  • the absorbing material 21 is capable of absorbing electromagnetic waves passing through the interface of the metal detecting region and converting it into heat energy, thereby reducing the influence of external electromagnetic waves or echoes on the metal detecting subsystem 31.
  • the controller 22 of the metal detection subsystem 31 is first connected to the signal isolator 10 (corresponding to another isolation device in the present invention) via signal line 20.
  • the signal isolator 10 then communicates with the computer 13 within the overall control cabinet 14 via signal lines 12.
  • the signal isolator 10 in this embodiment is a filter, a decoupler, an opto-isolator, or the like disposed on a signal line, a power line, and a ground line of the metal detecting subsystem 31.
  • the signal lines of the two subsystems should be routed as far as possible, that is, they should be separated as much as possible in space.
  • the crosstalk is also reduced in a crisscross manner.
  • Figure 2 is a cross-sectional view of the drug/explosive detection subsystem of the security inspection door of the present invention.
  • Figure 3 is a perspective view of half of the drug/explosive detection subsystem of the security inspection door of the present invention.
  • Figure 4 is a partial enlarged view of the nozzle arrangement layer A.
  • a plurality of nozzle arrangement layers are disposed on two side walls of the inspection channel of the drug/explosive detection subsystem 30.
  • a total of five nozzle arrangement layers are provided, respectively. It is layer A, layer B, layer C, layer D and layer E.
  • the nozzle arrangement layer A comprises six nozzles 8, and the six nozzles 8 on the nozzle arrangement layer A are directed to the center 0 of the nozzle arrangement layer A in which they are located.
  • the advantage of this arrangement is the ability to collect the airflow of multiple nozzles 8 at one point, enhancing the ability to blow suspected particles carried in the garment.
  • Figure 5 is a partial enlarged view of the air knife viewed in the F direction.
  • the top wall of the inspection passage of the drug/explosive detection subsystem 30 is provided with a wind knife 6 that blows air vertically downwards.
  • the air knife 6 includes four. The wind knife and two small wind knives, four large wind knives in a circle, two small wind knives surrounded by four big wind knives.
  • the air compressor 1 is provided with a high pressure gas, a pressure of 0. 2 ⁇ 0. 8MPa, preferably 0. 5 MPa left and right.
  • the air nozzle 8 is supplied with high-pressure gas through the air nozzle inlet pipe 5, and each of the air nozzles 8 controls its air-jet/close state by an electromagnetic width.
  • the system control computer 13 controls the timing of opening and closing of components such as the electromagnetic wide 9, the air compressor 1, and the carrier gas flow fan 2 through the main control cabinet 14 and the pneumatic control signal line 29.
  • the air taken in by the air compressor 1 and the carrier gas flow fan 2 comes from the intake port 3.
  • the air nozzles 8 of the same layer are normally turned on/off at the same time; the air nozzles 8 of different layers are turned on/off in a time-sharing manner, and are generally turned on or off from top to bottom, and after each layer of the air nozzles 8 is sprayed once, then The cycle is repeated up and down until the end of the jetting process; its switching sequence is issued by the main control cabinet 14 by controlling the solenoid valve 9 behind each of the air nozzles 8.
  • the carrier gas flow fan 2 While the air nozzle 8 of the uppermost layer A starts working for the first time, the carrier gas flow fan 2 also starts to work, supplying air to the air knife 6 as shown in Fig. 5, and four large wind blades 6 and 2 are shown in the figure. Small wind knife 6.
  • the air flow is blown from the air knife blowing port 7 of the air knife 6, forming a carrier gas flow, the flow direction of which is shown as the carrier gas flow direction 28.
  • the role of the carrier gas stream is to drive the suspect particles blown down by the air nozzle 8 to the suction port 19.
  • the carrier gas stream of the test space 27 is sucked into the intake port 19 by the suction fan 16.
  • the pre-condenser 18 interprets the adsorbed suspicious particles, is inhaled by the drug, explosives detector (IMS) 17, and is exhausted through the exhaust pipe 15 and the exhaust port 11 to the outside. In the atmosphere.
  • IMS explosives detector
  • IMS Explosives Detector
  • the indicator light 25 shows idle (green light is on), and the pedestrian being inspected enters the designated position of the test space 28; the system starts to jet, blow, collect gas, and then sends it to the drug and explosives detector.
  • the (IMS) 17 detects and finally the analysis result is given by the system control computer 13. If there are traces of drugs or explosives, an alarm will be issued, and the indicator light 25 will be alarmed (red light flashes); if no suspicious objects are found, the drug and explosives check is over, and the indicator light 25 is in any state. Continue to wait for the analysis results of the next metal detection subsystem. Until the final result comes out, if there is no suspicious object, the indicator light 25 will display idle (green light), waiting for the next person to enter.
  • the inspected pedestrian can proceed through the metal inspection subsystem 23.
  • the detected signal will pass through the controller 22 of the metal inspection subsystem 31, the signal line 20, to the signal isolator 10, and then through the signal isolator 10 to the main control cabinet signal line 12, the overall control cabinet 14, and system control.
  • the computer 13 communicates. After the communication analysis by the system control computer 13, if a suspicious object is found, the alarm is immediately reported, and the indicator light 25 is alarmed (red light flashes). If the data is normal, wait for the data analysis results of the drug/explosive detection subsystem 30 to arrive at a comprehensive result to determine if the system is alerting.
  • the drug/explosive detection subsystem 30 After the drug/explosive detection subsystem 30 has been sampled, it will take a few seconds for the drug and explosives detector (IMS) 17 to analyze the data, at which point the metal detection subsystem 23 can simultaneously detect the analysis. Until the final combined result comes out, if there is no suspicious object, the indicator light 25 will be idle (green light), waiting for the next person to enter.
  • IMS drug and explosives detector
  • the two detection subsystems can be combined to perform tasks such as checking drugs, explosives and metals carried by pedestrians, and improve inspection efficiency. While the embodiments of the present invention have been shown and described, the embodiments of the invention may be The appended claims and their equivalents are defined.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Sampling And Sample Adjustment (AREA)
  • Catching Or Destruction (AREA)

Abstract

L’invention concerne un portique de contrôle de sécurité de personnes permettant d’identifier la présence d’un narcotique, d’un explosif et d’un métal, comprenant un sous-système d’identification de métal (31) et un sous-système d’identification de narcotique/explosif (30), le sous-système d’identification de métal (31) étant monté à la suite du sous-système d’identification de narcotique/explosif (30). Le portique de contrôle de sécurité de personnes comprend en outre un appareil d’isolation, conçu pour isoler le sous-système d’identification de métal (31) du sous-système d’identification de narcotique/explosif (30) et éviter ainsi toute interaction entre eux.
PCT/CN2008/002055 2008-06-27 2008-12-24 Portique de contrôle de sécurité de personnes permettant d’identifier la présence d’un narcotique, d’un explosif et d’un métal WO2009155736A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810115773.9A CN101614721B (zh) 2008-06-27 2008-06-27 检测毒品、爆炸物及金属的行人安全检查门
CN200810115773.9 2008-06-27

Publications (1)

Publication Number Publication Date
WO2009155736A1 true WO2009155736A1 (fr) 2009-12-30

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Application Number Title Priority Date Filing Date
PCT/CN2008/002055 WO2009155736A1 (fr) 2008-06-27 2008-12-24 Portique de contrôle de sécurité de personnes permettant d’identifier la présence d’un narcotique, d’un explosif et d’un métal

Country Status (3)

Country Link
CN (1) CN101614721B (fr)
HK (1) HK1140010A1 (fr)
WO (1) WO2009155736A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105070194A (zh) * 2015-09-10 2015-11-18 厦门精图信息技术股份有限公司 一种可监测毒品炸药的地名标志
CN107843467A (zh) * 2017-11-16 2018-03-27 南京航空航天大学 适用于安全检查的射流式气体感应系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5915268A (en) * 1997-12-22 1999-06-22 Sandia Corporation Vertical flow chemical detection portal
US6334365B1 (en) * 2000-12-11 2002-01-01 Sandia Corporation Target detection portal
CN2667853Y (zh) * 2003-09-25 2004-12-29 侯邦为 电磁波隔离装置
CN2879189Y (zh) * 2005-10-13 2007-03-14 秦和平 自动检测禁入人员及违禁品的安全门

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2771855Y (zh) * 2005-03-02 2006-04-12 北京埃索特核电子机械有限公司 集装箱内核材料及其它放射性物质检测装置
CN201212885Y (zh) * 2008-06-27 2009-03-25 同方威视技术股份有限公司 检测毒品、爆炸物及金属的行人安全检查门

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5915268A (en) * 1997-12-22 1999-06-22 Sandia Corporation Vertical flow chemical detection portal
US6334365B1 (en) * 2000-12-11 2002-01-01 Sandia Corporation Target detection portal
CN2667853Y (zh) * 2003-09-25 2004-12-29 侯邦为 电磁波隔离装置
CN2879189Y (zh) * 2005-10-13 2007-03-14 秦和平 自动检测禁入人员及违禁品的安全门

Non-Patent Citations (2)

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LI CHUANWEI.: "Interference in testing system and its elimination.", PROCESS AUTOMATION INSTRUMENTATION., vol. 26, no. 9, September 2005 (2005-09-01), pages 7 - 10 *
LUO, PIN.: "Interference in the application of the inverter and its elimination.", SCIENCE&TECHNOLOGY INFORMATION., no. 23, 2007, pages 112 - 113 *

Also Published As

Publication number Publication date
HK1140010A1 (en) 2010-09-30
CN101614721B (zh) 2014-04-23
CN101614721A (zh) 2009-12-30

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