JP4884893B2 - Dangerous goods detection device - Google Patents

Description

  The present invention relates to a dangerous goods detection apparatus.

In general, as a dangerous goods detection device that prevents dangerous goods from being brought into airports or public facilities, a technique for detecting dangerous goods by heating and vaporizing a sample collected from an inspection object is known (patent) Reference 1).
JP 2004-301479 A

  However, in the conventional dangerous substance detection technology as described above, the sample is wiped with a test piece, such as a keyboard of a personal computer or a handle of a bag. Since the sample is collected and detected by heating and vaporizing each specimen, the inconvenience that it cannot be continuously detected occurs. Therefore, labor and time are required for detection, and there is a problem that a large amount of inspection cannot be performed in a short time.

  The present invention has been made in view of such circumstances, and is a dangerous substance detection device that can reduce the labor for detection of dangerous substances and can detect dangerous substances quickly and efficiently. The object is to provide a dangerous goods detection method.

In order to solve the above problems, the dangerous substance detection apparatus and the dangerous substance detection method of the present invention employ the following means.
The invention as a reference example of the present invention is a ticket provided with a base material and a collection part, and the collection part constitutes at least a part of the surface of the ticket and transfers dangerous substances attached to the ticket user. Provide a ticket that is the part to hold and hold.

  According to the present invention, since the ticket is composed of the base material and the sampling portion having the above characteristics, the fingerprint on the finger surface of the ticket user can be obtained by touching the sampling portion of the ticket surface when the ticket user holds the ticket. The powder substance etc. adhering to is moved to the sampling part. Therefore, when the ticket user is handling explosives or the like before touching the ticket, the explosive powder adhering to the finger surface of the ticket user is collected at the collection portion of the ticket surface. Thereby, all the ticket users can be inspected with a simple configuration in which the collecting portion is provided on the base material. Moreover, a dangerous substance can be collect | recovered by the simple method of a ticket user only touching a ticket. As a result, dangerous substances can be detected quickly and efficiently.

The present invention is a ticket comprising a base material and a collection part, wherein the collection part is made of a solvent, constitutes at least a part of the ticket surface, and transfers dangerous substances attached to the ticket user. Provides a ticket that is the part to hold.
By comprising in this way, collection | recovery efficiency is improved because the powder substance etc. which have adhered to the finger | toe surface of a ticket user are taken in by the solvent of the ticket surface. Therefore, explosive powder and the like can be efficiently collected from a ticket user who handled explosives before touching the ticket. Further, the dangerous substance can be quickly detected by performing the detection operation for each solvent in which the dangerous substance is taken in.

Moreover, in the invention as a reference example of the present invention, the collection part may be uneven or fibrous.
With this configuration, the powder material or the like sandwiched between the fingerprint gaps on the ticket user's finger surface is scraped out by the unevenness or fiber of the ticket surface, thereby improving the collection efficiency. Thereby, it is possible to efficiently collect explosive powder and the like from a ticket user who has handled explosives before touching the ticket. Further, by attaching the dangerous substance to the unevenness or fiber of the ticket surface, the dangerous substance can be easily collected and detected quickly.

Further, the present invention is a ticket comprising a base material and a sampling portion, wherein the sampling portion is made of abrasive grains, constitutes at least a part of the ticket surface, and contains a hazardous substance attached to the ticket user. Provide a ticket that is the part to be transferred and held.
With this configuration, the powder material and the like sandwiched between the fingerprint gaps on the ticket user's finger surface are scraped out by the abrasive particles on the ticket surface, thereby improving the collection efficiency. Thereby, explosive powder and the like can be efficiently collected from a user who has handled explosives before touching the ticket. In addition, by attaching the dangerous substance to the abrasive grains on the ticket surface, the dangerous substance can be easily recovered and quickly detected.

Moreover, in the said invention, it is good also as providing the intermediate | middle layer which makes easy isolation | separation of the said base material and the said collection part between the said base material and the said collection part.
By comprising in this way, a collection part can be easily isolate | separated from a base material, and the dangerous substance adhering to a collection part with a collection part can be collect | recovered easily. Thereby, it is possible to recover the dangerous substance without damaging the ticket surface, and it is possible to improve the recovery efficiency of the dangerous substance.

  The present invention also provides a dangerous substance detection apparatus comprising: a separation unit that separates a ticket and a substance attached to the ticket; a collection unit that collects the substance; and a transfer unit that sends the substance to a qualitative analyzer. provide.

  According to the present invention, the substance adhering to the ticket is separated from the ticket by the separating means and collected by the collecting means. In addition, the collected substance is sent to the qualitative analyzer by the transfer means for qualitative analysis. Therefore, when a dangerous substance such as explosive powder adheres to the ticket, this can be detected. Thereby, the dangerous substance adhering to a ticket can be collect | recovered by the simple method only for a ticket user to touch a ticket, and a dangerous substance can be detected quickly and efficiently.

In the above invention, the dangerous goods detection device may be an automatic ticket gate.
With this configuration, a dangerous substance can be detected quickly and efficiently by a simple method in which the ticket user simply passes an attached ticket such as explosive powder through an automatic ticket gate. Further, it is possible to reduce labor for detecting dangerous substances and to efficiently inspect all ticket users.

  The present invention also provides a dangerous substance detection method comprising a separation step of separating a ticket and a substance attached to the ticket, a recovery step of collecting the substance, and a transfer step of sending the substance to a qualitative analyzer. provide.

  According to the present invention, the substance attached to the ticket is separated from the ticket by the separation process and collected by the collection process. In addition, the collected substance is sent to the qualitative analyzer through the transfer process and subjected to qualitative analysis. Therefore, when a dangerous substance such as explosive powder adheres to the ticket, this can be detected. Thereby, the dangerous substance adhering to a ticket can be collect | recovered by the simple method only for a ticket user to touch a ticket, and a dangerous substance can be detected quickly and efficiently.

  Further, the present invention comprises a base material and a collection part, the collection part constitutes at least a part of a ticket surface, and transfers and holds a dangerous substance attached to a ticket user, the ticket and the ticket Provided is a dangerous substance detection system comprising a separation means for separating a substance attached to a ticket, a collection means for collecting the substance, and a dangerous substance detection device including a transfer means for sending the substance to a qualitative analyzer. To do.

According to the present invention, since the ticket has a configuration in which a sampling portion is provided on at least a part of the surface of the base material, by touching the sampling portion of the ticket surface when the ticket user has a ticket, The powder substance etc. adhering to the fingerprint on the finger surface of the ticket user is transferred to the collection part. Moreover, the substance adhering to the ticket is separated from the ticket by the separating means and collected by the collecting means. In addition, the collected substance is sent to the qualitative analyzer by the transfer means for qualitative analysis.
Therefore, if the ticket user is handling explosives before touching the ticket, the explosive powder adhering to the finger surface of the ticket user can be collected at the sampling portion of the ticket surface. . Also, explosive powder or the like can be recovered from this ticket to detect dangerous substances.

  Thereby, all the ticket users can be inspected with a simple configuration in which the collecting portion is provided on the base material. Moreover, the dangerous substance adhering to a ticket can be collect | recovered by the simple method only for a ticket user to touch a ticket. As a result, it is possible to reduce the labor for detecting the dangerous substance, and to detect the dangerous substance quickly and efficiently.

  According to the present invention, it is possible to inspect all ticket users by reducing the labor for detection of dangerous substances by a simple method in which a ticket user only touches the ticket, and it is quick and efficient. It is possible to detect dangerous substances.

Embodiments according to the present invention will be described below with reference to the drawings.
In the present invention, the ticket base material (base material) corresponds to, for example, a conventional ticket, and includes, for example, a specific contact type IC card and a prepaid card in addition to the ticket base material used for the moving means. Good thing. Further, for example, a ticket used as means for entering a public facility may be included.
Examples of dangerous substances to be detected include explosives such as trinitrotoluene, triacetone tripperoxide, nitroglycerin, RDX, and PETN, and explosives such as 2,3-dimethyl-2,3-dinitrobutane. It is good also as a detection agent.

The solvent used as the collecting means is a liquid for dissolving or dispersing the dangerous substance, and may be water, acetone, alcohols (methanol, ethanol, isopropyl alcohol, etc.), for example.
In addition, the abrasive used as the sampling means is, for example, generally used as a cleansing agent for adhering the dangerous substance, and may be, for example, ceramics such as alumina.
Alternatively, a vacuum ultraviolet photoionization ion trap time-of-flight mass spectrometer (VUV-SPI-IT-TOFMS) may be used as the analyzer.

[First embodiment]
Hereinafter, a ticket according to a first embodiment of the present invention will be described with reference to the drawings.
The ticket 10 according to the present embodiment is obtained by applying a solvent 18 to at least a part of the surface of the ticket substrate 9 (see FIG. 2B). For example, as shown in FIGS. 1 (a) and 1 (b), a solvent may be applied to the ticket substrate 9 by a spray device 11 or a brush 12. Alternatively, the ticket 10 may have a layer soaked with a solvent.

The operation of the ticket 10 according to this embodiment configured as described above will be described.
First, when the ticket user purchases the ticket 10, for example, a solvent 18 is applied to the surface of the ticket base 9 in a ticket issuing machine (not shown). Thereby, as shown in FIGS. 2A and 2B, when the ticket user holds the ticket 10, the substance 16 attached to the finger 14 is transferred to the solvent 18 and held therein. . Therefore, for example, when the ticket user handles explosives before touching the ticket 10, dangerous substances such as explosive powder are collected in the solvent 18.

  Next, as shown in FIGS. 2 (b) and 3 (a), when the ticket 10 is inserted into the automatic ticket gate 13, the substance 16 held in the solvent 18 of the ticket 10 is recovered and qualitatively. Qualitative analysis is performed by the analyzer 15. Thus, when the substance 16 contains a dangerous substance such as explosive powder, the dangerous substance is detected.

  In addition, the method of applying the solvent 18 to the ticket base 9 described above is merely an example. Instead, for example, a gel-like solvent 18 is applied to the surface of the ticket base 9 in advance, and a release paper or the like is used. It is good also as covering the surface. Thereby, when the ticket 10 is used, the ticket 10 provided with the solvent 18 can be used by a simple method of simply peeling off the release paper or the like.

  As shown in FIGS. 2B and 3B, for example, in the case of a ticket base 9 such as an advance ticket or a specific contact IC card, an automatic ticket gate 13 (see FIG. 3A). It is good also as the solvent 18 being apply | coated to the surface of the ticket base material 9 by inserting the ticket base material 9 in the apparatus 17 installed before (1). Thereby, even if the ticket base material 9 is previously owned by the user, the solvent 18 can be applied when the ticket base material 9 is used. Further, by passing this through the automatic ticket gate 13, the substance 16 adhering to the ticket user's finger 14 can be transferred and qualitative analysis can be performed.

  As described above, according to the ticket 10 according to the present embodiment, as shown in FIG. 2 (b), all the ticket users have a simple configuration in which the solvent 18 is simply applied to the ticket base 9. The substance 16 adhering to the finger can be collected, and the collection efficiency can be improved. In addition, the ticket user can be obtained by a simple method of inserting the ticket 10 of the ticket user who has handled dangerous substances such as explosives before touching the ticket 10 into the automatic ticket gate 13 (see FIG. 3A). The hazardous substance adhering to the finger 14 can be collected and qualitative analysis can be performed. Further, by using the highly volatile solvent 18, the solvent 18 is evaporated during the qualitative analysis, so that it is possible to prevent the detection of dangerous substances. Thereby, the labor for detection of dangerous substances can be reduced, all ticket users can be inspected, and dangerous substances can be detected quickly and efficiently.

[ One Reference Embodiment]
Next, a ticket according to a reference embodiment as a reference example of the present invention will be described with reference to the drawings.
As shown in FIG. 4 (b) or FIG. 5 (b), the ticket 20 or the ticket 21 according to this embodiment is different from the ticket 10 according to the first embodiment described above in the configuration of the collection part.
Hereinafter, description of points common to the first embodiment will be omitted, and only different points will be described.
The ticket 20 according to the present embodiment includes irregularities 28 on at least a part of the surface of the ticket base 19. Further, the ticket 21 includes a wipe layer 29 in which at least a part of the surface of the ticket base 19 is made of a fibrous material.

The operation of the ticket 20 and the ticket 21 according to the present embodiment configured as described above will be described.
First, when a ticket user purchases the ticket 20, for example, a physical unevenness is embossed on the surface of the ticket base 19 in a ticket issuing machine or the like. As a result, as shown in FIGS. 4A and 4B, when the ticket user has the ticket 20, the powder of the substance 26 sandwiched between the fingerprints of the finger 24 and the like can be efficiently obtained. It is scraped out by the unevenness 28 and held on the surface of the ticket 20.
When the ticket user purchases the ticket 21, for example, in the ticket issuing machine or the like, a fibrous layer is provided on the ticket base material 19. As a result, as shown in FIGS. 5A and 5B, when the ticket user holds the ticket 21, in particular, the powder of the substance 26 sandwiched between the fingerprints of the finger 24 can be efficiently used. It is scraped off by the wipe layer 29 and held on the surface of the ticket 21.
Therefore, for example, when the ticket user handles explosives before touching the ticket 20 or the ticket 21, explosive powder sandwiched between fingerprints is also efficiently collected.

As described above, according to the ticket 20 or the ticket 21 according to the present embodiment, as shown in FIG. 4 (b) or FIG. 5 (b), the powder state sandwiched between the fingerprints of the finger 24 of the ticket user. The material 26 can be efficiently transferred to the ticket surface, and the collection efficiency can be further improved.
Further, since the substance 26 attached to the ticket user's finger 24 is physically transferred without using a reagent or the like, the ticket 20 or the ticket 21 can be easily handled.
Further, since there is no extra evaporating substance, noise when detecting a dangerous substance can be reduced.

[ Second Embodiment]
Next, a ticket according to a second embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 6B, the ticket 30 according to this embodiment is different from the ticket 10 according to the first embodiment described above in the configuration of the collection part.
Hereinafter, description of points common to the first embodiment will be omitted, and only different points will be described.
The ticket 30 according to this embodiment includes abrasive grains 38 on at least a part of the surface of the ticket base material 29. In general, the grain size of the abrasive grains 38 is preferably smaller than the fingerprint groove width (about 500 μm) of the finger 34.

The operation of the ticket 30 according to this embodiment configured as described above will be described.
First, when the ticket user purchases the ticket 30, for example, the abrasive grains 38 are applied to the surface of the ticket base material 29 in the ticket issuing machine. As a result, as shown in FIGS. 6A and 6B, when the ticket user holds the ticket 30, in particular, the powder of the substance 36 sandwiched between the fingerprints of the finger 34 is efficiently It is scraped out by the abrasive grains 38 and held on the surface of the ticket 30. Therefore, for example, when the ticket user handles explosives before touching the ticket 30, the explosive powder sandwiched between fingerprints is also efficiently collected.

As described above, according to the ticket 30 according to the present embodiment, as shown in FIG. 6B, the powdery substance 36 sandwiched between the fingerprints of the ticket user's fingers 34 is efficiently removed from the ticket surface. The collection efficiency can be further improved.
Further, by using a substance having almost no vapor pressure (for example, ceramics such as alumina) as the material of the abrasive grains 38, noise when detecting a dangerous substance can be reduced.

[ Third embodiment]
Next, a ticket according to a third embodiment of the present invention will be described with reference to the drawings.
As shown in FIG.7 (c), the ticket 44 which concerns on this embodiment differs in the structure between the ticket base material 40 and the solvent 43 from the ticket 10 which concerns on 1st embodiment mentioned above.
Hereinafter, description of points common to the first embodiment will be omitted, and only different points will be described.

As shown in FIGS. 7A to 7C, the ticket 44 according to the present embodiment has an intermediate layer 41 that facilitates separation of the ticket base material 40 and the solvent 43 on the surface of the ticket base material 40. It has. Further, the ticket 44 includes a solvent 43 on at least a part of the surface of the intermediate layer 41.
The intermediate layer 41 is preferably made of, for example, a fluororesin or an oleophobic (hydrophilic) material that can easily separate the solvent 43 applied thereon.

Next, the operation of the ticket 44 according to this embodiment described above will be described.
As shown in FIG. 8A, when the ticket user holds the ticket 44, in particular, the powder of the substance 47 sandwiched between the fingerprints of the finger 46 is efficiently transferred to the solvent 43 on the surface of the ticket 44. Taken and held. Therefore, for example, when the ticket user handles explosives before touching the ticket 44, explosive powder sandwiched between fingerprints is also efficiently collected.

  Further, as shown in FIG. 8B, the surface of the ticket 44 is heated by, for example, a heating lamp 48 or a heating heater (not shown), so that the solvent 43 can be easily removed from the intermediate layer 41. After separation, the substance 47 is vaporized together with the solvent 43. Thereby, the evaporated solvent 43 and the substance 47 are sampled in the sampling tube 49.

Further, instead of the above heating, the solvent 43 may be easily separated from the intermediate layer 41 by alcohol vapor (for example, spray or the like), and the solvent 43 and the substance 47 may be peeled off and sampled in the sampling tube 49. .
Alternatively, the solvent 43 may be easily separated from the intermediate layer 41 by an air blower, and the solvent 43 and the substance 47 may be blown off and sampled in the sampling tube 49.

As described above, according to the ticket 44 according to this embodiment, the intermediate layer 41 is provided between the ticket base material 40 and the solvent 43 as shown in FIG. 47 can be easily separated from the ticket substrate 40.
Further, as shown in FIG. 8B, sampling efficiency can be improved by sampling the substance 47 together with the solvent 43 by using, for example, a heating lamp 48, alcohol vapor, or an air blower.
Further, as shown in FIG. 7B, the intermediate layer 41 is coated on the surface of the ticket base 40, so that the printing or recording information on the ticket base 40, particularly the surface of the ticket base 40, can be heated. Can be protected from drugs.

[ Fourth embodiment]
Next, a ticket according to a fourth embodiment of the present invention will be described with reference to the drawings.
As shown in FIG. 9C, the ticket 54 according to the present embodiment is different from the ticket 10 according to the first embodiment described above in the configuration between the ticket base material 50 and the abrasive grains 53.
Hereinafter, description of points common to the first embodiment will be omitted, and only different points will be described.

As shown in FIGS. 9A to 9C, the ticket 54 according to the present embodiment has an intermediate layer 51 that facilitates separation of the ticket base material 50 and the abrasive grains 53 on the surface of the ticket base material 50. It has. Further, the ticket 54 includes abrasive grains 53 on at least a part of the surface of the intermediate layer 51.
The intermediate layer 51 is preferably made of, for example, a fluororesin or an oleophobic (hydrophilic) material that can easily separate the abrasive grains 53 applied thereon.

Next, the operation of the ticket 54 according to this embodiment described above will be described.
As shown in FIG. 10A, when the ticket user has the ticket 54, in particular, the powder of the substance 57 sandwiched between the fingerprints of the finger 56 is efficiently scraped to the abrasive grains 53, It is held on the surface of the ticket 54. Therefore, for example, when the ticket user handles explosives before touching the ticket 54, explosive powder sandwiched between fingerprints is also efficiently collected.

  As shown in FIG. 10B, the surface of the ticket 54 is heated by, for example, a heating lamp 58 or a heating heater (not shown), so that the abrasive grains 53 are removed from the intermediate layer 51. The material 57 is easily separated and the abrasive grains 53 are vaporized. Thereby, the vaporized abrasive grains 53 and the substance 57 are sampled in the sampling tube 59.

Further, instead of the above heating, the abrasive grains 53 are easily separated from the intermediate layer 51 by alcohol vapor (for example, spray or the like), the abrasive grains 53 and the substance 57 are peeled off, and the sampling tube 59 is sampled. Also good.
Alternatively, the solvent 53 may be easily separated from the intermediate layer 51 by an air blower, and the abrasive grains 53 and the substance 57 may be blown off and sampled in the sampling tube 58.

As described above, according to the ticket 54 according to the present embodiment, the abrasive grain 53 is provided by providing the intermediate layer 51 between the ticket base material 50 and the abrasive grain 53 as shown in FIG. And the material 57 can be easily separated from the ticket substrate 50.
Further, by using a substance having almost no vapor pressure (for example, ceramics such as alumina) as the material of the abrasive grains 53, it is possible to reduce noise when detecting a dangerous substance.

As shown in FIG. 10B, the sampling efficiency can be improved by sampling the substance 57 together with the abrasive grains 53 by using, for example, a heating lamp 58, alcohol vapor, or an air blower.
Further, as shown in FIG. 9B, the intermediate layer 51 is coated on the surface of the ticket base 50, so that the printing or recording information on the surface of the ticket base 50, in particular, the surface of the ticket base 50 is heated. Can be protected from drugs.

[ Fifth embodiment]
Next, a hazardous material detection apparatus according to a fifth embodiment of the present invention will be described with reference to FIG.
The dangerous substance detection device 61 according to the present embodiment includes a carrier gas nozzle (separating means) 63 that ejects a carrier gas that separates the ticket 60 and a substance (not shown) attached to the ticket 60, and the separated substance. A suction nozzle (collection means) 64 for collecting, a heater 69 ′ for heating the suction nozzle 64, a transfer pipe 65 for sending the collected substance to the qualitative analyzer 68, and a roller 62 for transporting the ticket 60 to the sampling space A heater 69 for heating the roller 62, a filter 66 for purifying the carrier gas, and an oven 67 for heating the carrier gas are provided. In the present embodiment, the sampling space refers to a portion for heating the ticket 60, a portion for sucking a substance attached to the surface of the ticket 60, and the like.

The carrier gas nozzle 63 ejects a carrier gas toward the ticket 60 transported by the roller 62 and vaporizes a substance adhering to the surface of the ticket 60.
The surface of the roller 62 is desirably covered with quartz. Thereby, when the ticket 60 is transported, it is possible to prevent a substance adhering to the surface of the ticket 60 from adhering to the surface of the roller 62.

The roller 62 is heated by a heater 69 so that the surface of the ticket 60 is heated when the ticket 60 is transported to the sampling space.
The suction nozzle 64 is heated by a heater 69 ′ (preferably higher than the temperature in the sampling space), sucks the vaporized substance vapor, and sends it to the transfer pipe 65.
The transfer pipe 65 transfers the sucked substance to the qualitative analyzer 68.
The transfer pipe 65 and the qualitative analyzer 68 are preferably heated.
In each of the above heaters, the heating temperature is desirably 80 ° C. or higher and 200 ° C. or lower. If it is less than 80 degreeC, since it is hard to detect depending on a dangerous substance, it is not preferable. Moreover, since it will decompose | disassemble depending on a dangerous substance when it exceeds 200 degreeC, it is unpreferable.

Next, the operation of the dangerous substance detection device 61 according to this embodiment described above will be described.
The ticket 60 is heated by the heat of the roller 62 while being transported to the sampling space by the roller 62. At this time, since the surface of the roller 62 is covered with quartz, the material can be transported while preventing the adsorption of the material to the surface of the roller 62 and the decomposition of the material.

Further, the carrier gas ejected from the carrier gas nozzle 63 is purified in advance by the filter 66 and then heated by the oven 67 to a temperature equal to or higher than the temperature in the sampling space. Thereby, the vaporization efficiency of the substance adhering to the surface of the ticket 60 can be improved.
When the ticket 60 is heated by the roller 62 and transported to the sampling space, the heated carrier gas is ejected from the carrier gas nozzle 63 to the ticket 60. Thereby, the substance adhering to the surface of the ticket 60 is vaporized, and the substance vapor is collected by the suction nozzle 64 along the air flow.

The substance vapor collected by the suction nozzle 64 is transferred to the qualitative analyzer 68 through the transfer pipe 65, and the dangerous substance is detected.
In addition, the material in the sampling space in the dangerous substance detection device 61, in particular, the portion for heating the ticket 60 or the wall surface of the suction nozzle 64 is made of quartz, and the surroundings have a high heat capacity and are excellent in heat resistance (for example, It is desirable to cover with stainless steel. Further, it is desirable that the sampling space is heated in advance by, for example, a heater 69 '. Thereby, the vapor pressure of the substance adhering to the surface of the ticket 60 can be increased and sampling can be facilitated. Moreover, when the ticket 60 is taken in and out, a temperature drop in the dangerous substance detection device 61 can be prevented.

As described above, according to the dangerous material detection device 61 according to the present embodiment, the ticket 60 is directly heated, so that the configuration of the dangerous material detection device 61 can be simplified, and the vapor pressure of the substance can be reduced. To improve the material recovery efficiency.
Further, as described above, since the substance adhering to the surface of the ticket 60 can be collected without being adsorbed on the surface in the dangerous substance detection device 61, the collection efficiency can be improved. As a result, since the substance does not remain in the sampling space, it is possible to continuously inspect tickets without interfering with the inspection of other tickets. Therefore, it is possible to detect dangerous substances quickly and efficiently.

[ Sixth embodiment]
Next, a hazardous material detection apparatus according to a sixth embodiment of the present invention will be described with reference to FIGS. 12 (a) and 12 (b).
The dangerous substance detection device 71 according to the present embodiment heats the separated substance and an ultrasonic vibrator (separating means) 72 that separates the ticket 70 and a substance (not shown) attached to the ticket 70. , A suction nozzle (collection means) 74 for collecting the substance vapor, a heater 79 for heating the suction nozzle 74, a carrier gas nozzle 73 for ejecting a carrier gas for introducing the substance into the qualitative analyzer 78, and the carrier gas And an oven 77 for heating the carrier gas. The suction nozzle 74 may also serve as a heating container. In the present embodiment, a part for separating the substance from the surface of the ticket 70 and a part for sucking the separated substance are referred to as a sampling space.

The ultrasonic vibrator 72 applies ultrasonic vibrations from both sides of the surface of the ticket 70 to the ticket 70 inserted in the dangerous substance detection device 71, and shakes off the substance attached to the ticket 70.
The suction nozzle 74 has, for example, an inner surface covered with quartz and holds the substance shaken off by the ultrasonic vibrator 72. The suction nozzle 74 is heated by a heater 79 or a lamp (not shown). Thereby, the substance hold | maintained at the suction nozzle 74 is vaporized. The suction nozzle 74 may have a surface covered with, for example, a fluororesin or glass wool.
The transfer pipe 75 and the qualitative analyzer 78 are preferably heated.
In each of the above heaters, the heating temperature is desirably 80 ° C. or higher and 200 ° C. or lower. If it is less than 80 degreeC, since it is hard to detect depending on a dangerous substance, it is not preferable. Moreover, since it will decompose | disassemble depending on a dangerous substance when it exceeds 200 degreeC, it is unpreferable.

Next, the operation of the dangerous substance detection apparatus 71 according to this embodiment described above will be described.
When the ticket 70 is inserted into the dangerous substance detection device 71, ultrasonic vibration is applied to the ticket 70 by the ultrasonic vibrator 72, and the material adhering to the surface of the ticket 70 is shaken off. As a result, the shaken substance is held in the suction nozzle 74. The substance held in the suction nozzle 74 is vaporized when the suction nozzle 74 is heated by the heater 79, and becomes a substance vapor.
The substance vapor rides on the flow of the carrier gas ejected from the carrier gas nozzle 73 and is introduced into the qualitative analyzer 78 via the transfer pipe 75. Thereby, the substance vapor is qualitatively analyzed by the qualitative analyzer 78, and the dangerous substance is detected.

As described above, according to the dangerous substance detection device 71 according to the present embodiment, the substance attached to the ticket 70 is detected from the surface of the ticket 70 as a shake-off, and is thus discharged from the main body of the ticket 70. It is possible to prevent gas due to ink or the like from flowing into the qualitative analyzer 78 and reduce noise sources when detecting dangerous substances.
Further, since ultrasonic vibration is applied to the side wall in the sampling space together with the ticket 70 by the ultrasonic vibrator 72, the powder of the substance separated from the surface of the ticket 70 is prevented from reattaching to the side wall. Can do.

Further, by making the surface material such as the suction nozzle 74 and the side wall in the sampling space quartz, it is possible to prevent the substance separated from the ticket 70 from adsorbing to the side wall. Thereby, the collection efficiency can be improved, and it is possible to continuously inspect the ticket while preventing the inspection of other tickets. Therefore, it is possible to detect dangerous substances quickly and efficiently. Moreover, even if it is a substance (for example, triacetone tripperoxide etc.) which can be decomposed | disassembled on a metal surface, decomposition | disassembly can be suppressed and detected.
Further, since the surface of the ticket 70 is not directly heated, it is possible to detect dangerous substances without damaging the printing or recording of the ticket 70 without applying a heat resistant coating or the like to the surface of the ticket 70.

  As mentioned above, although each embodiment of the present invention has been described in detail with reference to the drawings, the specific configuration is not limited to this embodiment.

It is a figure which shows solvent application | coating in the ticket which concerns on 1st embodiment of this invention, Comprising: (a) is a figure which shows solvent application with a spray apparatus, (b) is a figure which shows solvent application | coating with a brush. It is a figure which shows the ticket which apply | coated the solvent which concerns on 1st embodiment of this invention, Comprising: (a) is a figure which shows a ticket user's finger | toe and a ticket, (b) is the enlarged view. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the dangerous goods detection apparatus which concerns on 1st embodiment of this invention, Comprising: (a) is a figure which shows an automatic ticket gate, (b) is a figure which shows the apparatus placed in front of an automatic ticket gate. is there. It is a figure which shows the ticket provided with the unevenness | corrugation which concerns on one reference embodiment of this invention, Comprising: (a) is a figure which shows a ticket user's finger | toe and a ticket, (b) is the enlarged view. BRIEF DESCRIPTION OF THE DRAWINGS It is a figure which shows the ticket which provides the wipe layer made from the fiber which concerns on one reference embodiment of this invention, Comprising: (a) is a figure which shows a finger | toe and ticket of a ticket user, (b) is the enlarged view. It is. It is a figure which shows the ticket which apply | coated the abrasive grain which concerns on 2nd embodiment of this invention, Comprising: (a) is a figure which shows a ticket user's finger | toe and a ticket, (b) is the enlarged view. It is a figure which shows the ticket which concerns on 3rd embodiment of this invention. It is a figure which shows the ticket which concerns on 3rd embodiment of this invention, Comprising: (a) is a figure which shows a finger | toe and ticket of a ticket user, (b) is the figure which showed collection | recovery of a substance and a solvent. It is a figure which shows the ticket which concerns on 4th embodiment of this invention. It is a figure which shows the ticket which concerns on 5th embodiment of this invention, Comprising: (a) is a figure which shows a finger | toe and ticket of a ticket user, (b) is the figure which showed collection | recovery of a substance and a solvent. It is a schematic block diagram of the dangerous goods detection apparatus which concerns on 5th embodiment of this invention. It is a schematic block diagram of the dangerous goods detection apparatus which concerns on 6th embodiment of this invention.

Explanation of symbols

9 Ticket base material (base material)
10 Ticket 16 Substance 18 Solvent

Claims (7)

A substrate;
A ticket with a collection part,
The ticket, wherein the collection part is made of a solvent , constitutes at least a part of the ticket surface, and transfers and holds dangerous substances attached to the ticket user. A substrate;
A ticket with a collection part,
The ticket, wherein the collection part is made of abrasive grains , constitutes at least a part of the ticket surface, and transfers and holds a dangerous substance attached to the ticket user. The ticket according to claim 1 or 2 , wherein an intermediate layer that facilitates separation of the base material and the sampling portion is provided between the base material and the sampling portion. Separation means for separating the ticket and the substance attached to the ticket;
Recovery means for recovering the substance;
A dangerous substance detection apparatus comprising transport means for sending the substance to a qualitative analyzer. The dangerous goods detection apparatus according to claim 4 , wherein the dangerous goods detection apparatus is an automatic ticket gate. A separation step of separating the ticket and the substance attached to the ticket;
A recovery step of recovering the substance;
A dangerous substance detection method comprising a transfer step of sending the substance to a qualitative analyzer. A ticket comprising a substrate and a sampling part, wherein the sampling part constitutes at least a part of the ticket surface and transfers and holds dangerous substances attached to the ticket user;
Separating means for separating the ticket and the substance attached to the ticket;
Recovery means for recovering the substance;
A dangerous substance detection system comprising: a dangerous substance detection device including a transfer means for sending the substance to a qualitative analyzer.

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